Difference between revisions of "MediaWiki:Common.js"

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m (Replaced content with 'Any JavaScript here will be loaded for all users on every page load.: ')
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/* Any JavaScript here will be loaded for all users on every page load. */
 
/* Any JavaScript here will be loaded for all users on every page load. */
// <source lang="javascript">
 
 
/*
 
  Upload form rewrite
 
 
  Author: [[User:Lupo]], March 2008
 
  License: Quadruple licensed GFDL, GPL, LGPL and Creative Commons Attribution 3.0 (CC-BY-3.0)
 
 
 
  Choose whichever license of these you like best :-)
 
*/
 
 
importScript( 'MediaWiki:Gadget-HotCat.js' );
 
importScript( 'MediaWiki:TextCleaner.js' );
 
importScript( 'MediaWiki:LanguageHandler.js' );
 
importScript( 'MediaWiki:FormRestorer.js' );
 
importScript( 'MediaWiki:UIElements.js' );
 
importScript( 'MediaWiki:Tooltips.js' );
 
 
// Guard against multiple inclusions!
 
if (typeof (UploadForm) == 'undefined') {
 
 
// Configuration. These can be set by a user in their monobook.js/modern.js. The typeof checks
 
// are not really needed when this script is globally enabled, but until then, we have to be
 
// careful not to overwrite a user's settings if he defines these first and then includes this
 
// script in his monobook.js.
 
if (typeof (UploadForm_forcebasic) == 'undefined')
 
  // If non-null, use the basic form
 
  var UploadForm_forcebasic    =
 
    (typeof (JSconfig) == 'undefined' || JSconfig.keys['UploadForm_newlayout']) ? null : true;
 
if (typeof (UploadForm_ownwork_author) == 'undefined')
 
  var UploadForm_ownwork_author = "\[\[User:" + wgUserName + "|" + wgUserName + "\]\]";
 
  // Change to use something else
 
if (typeof (UploadForm_ownwork_date) == 'undefined')
 
  var UploadForm_ownwork_date  = null;
 
  // Set to define a pre-fill value for the date field
 
if (typeof (UploadForm_own_language_first) == 'undefined')
 
  var UploadForm_own_language_first = false;
 
  // Set to true to have own language description on top
 
if (typeof (UploadForm_additional_info_height) == 'undefined')
 
  var UploadForm_additional_info_height = 2;
 
if (typeof (UploadForm_description_height) == 'undefined')
 
  var UploadForm_description_height = 2;
 
if (typeof (UploadForm_source_field_size) == 'undefined')
 
  var UploadForm_source_field_size = 1;
 
if (typeof (UploadForm_author_field_size) == 'undefined')
 
  var UploadForm_author_field_size = 1;
 
if (typeof (UploadForm_page_preview_in_tooltip) == 'undefined')
 
  var UploadForm_page_preview_in_tooltip = false;
 
if (typeof (UploadForm_description_languages) == 'undefined')
 
  var UploadForm_description_languages = null;
 
if (typeof (UploadForm_autofill) == 'undefined')
 
  var UploadForm_autofill = true;
 
  // If false, don't pre-fill description field in basic mode. May be useful
 
  // for people who have their own scripts pre-filling this field.
 
 
// Don't set the focus initially, it makes the page scroll, and people won't see the
 
// introductory texts
 
var EditTools_set_focus_initially = false;
 
 
var UFUtils =
 
{
 
  makeLink : function (name, url)
 
  {
 
    var link = document.createElement ('a');
 
    link.setAttribute ('href', url);
 
    link.appendChild (document.createTextNode (name));
 
    return link;   
 
  },
 
 
 
  convert_td_div : function (td)
 
  {
 
    // Replace the contents with a div, fixate the width, and give the div the id of the td
 
    var div = document.createElement ('div');
 
    var w = UFUtils.getWidth (td);
 
    if (w) {
 
      td.setAttribute ('width', "" + w);
 
      td.style.maxWidth = "" + w + 'px';
 
    }
 
    div.setAttribute ('width', (w ? "" + w : '100%'));
 
    if (w) div.style.maxWidth = "" + w + 'px';
 
    // Clear the warning_cell and add the div instead
 
    while (td.firstChild) td.removeChild (td.firstChild);
 
    td.appendChild (div);
 
    var id = td.id;
 
    td.id = "";
 
    div.id = id;
 
    return div;
 
  },
 
 
 
  getHeight : function (rows, minimum, maximum)
 
  {
 
    if (rows == null) return minimum;
 
    try {
 
      var x = rows / 2;
 
    } catch (ex) {
 
      // It's not a number
 
      return minimum;
 
    }
 
    if      (rows < minimum) return minimum;
 
    else if (rows > maximum) return maximum;
 
    return rows;
 
  },
 
 
  getWidth : function (element)
 
  {
 
    try {
 
      if (element.clientWidth)          // From IE, but Gecko has this, too.
 
        return element.clientWidth;
 
      else if (window.getComputedStyle) // Gecko, Opera
 
        return document.defaultView
 
                      .getComputedStyle (element, null)
 
                      .getPropertyValue ('width');
 
    } catch (ex) {
 
    }
 
    return null;
 
  },
 
 
  isChildOf : function (child, ancestor)
 
  {
 
    if (!ancestor) return false;
 
    while (child && child != ancestor) child = child.parentNode;
 
    return (child == ancestor);
 
  }
 
 
}; // end UFUtils
 
 
var UFUI =
 
{
 
  // Encapsulate all UI stuff, with checks such that it works in degraded mode
 
  // (built-in defaults only) if UIElements doesn't exist.
 
 
  defaultLanguage  : 'en',    // Default.
 
  userLanguage    : 'en',    // Sanitized wgUserLanguage.
 
  internalLanguage : 'en',    // Same, but with dashes replaced by underscores.
 
  isOwnWork        : false,    // True if uselang="*ownwork"
 
  isFromFlickr    : false,    // True if uselang="*fromflickr"
 
  isExperienced    : false,    // True if uselang="experienced"
 
 
  sanitizeUserLanguage : function ()
 
  {
 
    // Try to make sense of wgUserLanguage even if it has been hacked to have special
 
    // pages for particular upload sources. Also sets isOwnWork and isFromFlickr.
 
    if (wgUserLanguage == null || wgUserLanguage.length == 0) return;   
 
    UFUI.userLanguage = wgUserLanguage;
 
    if (wgUserLanguage.length > 3) {
 
      // Special "hacked" uselang parameters...
 
      var hacks = ['ownwork', 'fromflickr', 'experienced', 'fromwikimedia', 'fromgov'];
 
      var found = false;
 
      for (var i = 0; i < hacks.length; i++) {
 
        var idx = wgUserLanguage.indexOf (hacks[i]);
 
        if (idx >= 0) {
 
          found = true;
 
          if (idx > 0)
 
            UFUI.userLanguage = wgUserLanguage.substring (0, idx);
 
          else
 
            UFUI.userLanguage = UFUI.defaultLanguage;
 
          if (i == 0)
 
            UFUI.isOwnWork = true;
 
          else if (i == 1)
 
            UFUI.isFromFlickr = true;
 
          else if (i == 2)
 
            UFUI.isExperienced = true;
 
          break;
 
        }
 
      }
 
      if (!found
 
          && typeof (LanguageHandler) != 'undefined'
 
          && typeof (LanguageHandler.getPrefix) == 'function')
 
      {
 
        // None of the "standard" hacks. Try an alternate approach.
 
        var lang_code_length = LanguageHandler.getPrefix (wgUserLanguage);
 
        if (lang_code_length > 0 && lang_code_length < wgUserLanguage.length) {
 
          UFUI.userLanguage = wgUserLanguage.substr (0, lang_code_length);
 
        }
 
      }
 
    } // end if
 
    if (UFUI.userLanguage == 'en-gb') UFUI.userLanguage = 'en';
 
    UFUI.internalLanguage = UFUI.userLanguage.replace (/-/g, '_');
 
  },
 
 
  defaultLabels : {
 
    wpSourceUploadLbl:        'Original source:',
 
    wpAuthorUploadLbl:        'Author:',
 
    wpDateUploadLbl:          'Date:',
 
    wpDescUploadLbl:          'Description:',
 
    wpPermissionUploadLbl:    'Permission:',
 
    wpCategoriesUploadLbl:    'Categories:',
 
    wpOtherVersionsUploadLbl:  'Other versions:',
 
    wpAdditionalInfoUploadLbl: 'Additional information:',
 
    wpPreviewLicenseUploadLbl: 'Preview the chosen license',
 
    wpOwnWorkUploadLbl:        'Own work',
 
    wpUnknownLanguageUploadLbl:'Unknown language',
 
    wpPreviewUploadLbl:        'Preview',
 
    wpOkUploadLbl:            'OK',
 
    wpCancelUploadLbl:        'Cancel'
 
  },
 
 
 
  defaultErrorMsgs : {
 
    wpUploadWarningError:
 
      'You must provide the original source of the image, the author of the work, and a license.',
 
    wpNoFilenameError:
 
      'The target filename must not be empty.',
 
    wpHttpFilenameError:
 
      'The target file name appears to be a URL.',
 
    wpNoSlashError:
 
      'The target file name must not contain "/".',
 
    wpNondescriptFilenameError:
 
      'Please use a more descriptive target file name.',
 
    wpNoExtensionError:
 
      'The target file name must have a file type extension (like for example ".jpg").',
 
    wpIllegalExtensionError:
 
      'Files of this type cannot be uploaded.',
 
    wpDoubleExtensionError:
 
      'Please correct the double file type in the target file name.',
 
    wpFlickrURLError:
 
      'The source must be a URL pointing to the image at Flickr.',
 
    wpNoDescriptionError:
 
      'Please give a description of the contents of the file you want to upload.',
 
    wpNoHelpTextError:
 
      'Help text not found.',
 
    wpPreviewOverwriteError:
 
      'You will upload over an already existing file. Please choose a different filename,'
 
    +'unless you are uploading a technically improved version of the same file.'
 
    +'Don\'t overwrite a file with a different image of the same topic.'
 
    +'If you overwrite, the information in this form will not appear on the description page.',
 
 
    wpReuploadNoSummaryError:
 
      'Please describe the file changes in the text box.'
 
  },
 
 
 
  defaultHints: {
 
    wpUploadFormDestFileHint:
 
      'Name of the file at Commons after the upload.',
 
    wpUploadFormSourceHint:
 
      'Where does this file come from?',
 
    wpUploadFormAuthorHint:
 
      'Who created this file? If it shows some artwork, who created that?',
 
    wpUploadFormDateHint:
 
      'Date of creation and/or first publication of the work.',
 
    wpUploadFormPermissionHint:
 
      'Not your own file? Or already published elsewhere? Use \{\{OTRS pending\}\} and send permission by e-mail. '
 
    +'Also for specialized license tags.',
 
    wpUploadFormAdditionalInfoHint:
 
      'Use for geolocation tags and other specialized information.',
 
    wpUploadFormCategoryHint:
 
      'Click (+) to add categories.'
 
  },
 
 
  // Do *not* use "-" here (as in "be-tarask")!! Use "_" instead: "be_tarask".
 
  translate: {
 
    en: 'translate',
 
    af: 'vertaal',
 
    ar: 'ترجم',
 
    be: 'перакласці',
 
    be_tarask: 'перакласьці',
 
    br: 'treiñ',
 
    bg: 'превеждам',
 
    ca: 'traduïu',
 
    cs: 'přeložit',
 
    cy: 'cyfieithu',
 
    da: 'oversæt',
 
    de: 'übersetzen',
 
    el: 'μεταφράστε',
 
    eo: 'traduki',
 
    es: 'traducir',
 
    et: 'tõlkima',
 
    fa: 'ترجمه کردن',
 
    fi: 'suomenna',
 
    fo: 'umseta',
 
    fr: 'traduire',
 
    gl: 'traducir',
 
    he: 'לתרגם',
 
    hr: 'prevesti',
 
    hu: 'fordítás',
 
    hy: 'թարգմանել',
 
    id: 'terjemah',
 
    io: 'tradukar',
 
    is: 'þýða',
 
    it: 'tradurre',
 
    ja: '訳す',
 
    ko: '번역하기',
 
    la: 'traducere',
 
    ml: 'തര്‍ജ്ജമ',
 
    mn: 'орчуулах',
 
    mt: 'traduci',
 
    nn: 'oversett',
 
    no: 'oversett',
 
    nl: 'vertalen',
 
    pap: 'tradusí',
 
    pl: 'przetłumacz',
 
    pt: 'traduzir',
 
    ro: 'a traduce',
 
    ru: 'перевести',
 
    sk: 'preložit',
 
    sl: 'perovodit',
 
    sq: 'përkthej',
 
    ss: 'kuhúmusha',
 
    sv: 'översätt',
 
    ta: 'மொழிபெயர்',
 
    tr: 'tercüme',
 
    ty: 'ʻauvaha',
 
    uk: 'перекласти',
 
    vi: 'dịch',
 
    zh: '翻譯',
 
    zh_min_nan: 'hoan-e̍k',
 
    nan: 'hoan-e̍k',
 
    minnan: 'hoan-e̍k'
 
  },
 
 
  labels    : null,  // Repository for form labels
 
  help      : null,  // Repository for help texts (and the help button)
 
  error_msgs : null,  // Repository for error messages
 
  uiElements : null,  // Repository for graphical UI elements
 
  hints      : null,  // Repository for brief hints
 
 
  setupRepositories : function ()
 
  {
 
    if (!UFUI.labels) {
 
      if (typeof (UIElements) != 'undefined') {
 
        UFUI.labels    = UIElements.emptyRepository ();
 
        UFUI.help      = UIElements.emptyRepository ();
 
        UFUI.error_msgs = UIElements.emptyRepository ();
 
        UFUI.uiElements = UIElements.emptyRepository ();
 
        UFUI.hints      = UIElements.emptyRepository ();
 
 
        for (var id in UFUI.defaultLabels) {
 
          if (id == 'wpDescUploadLbl') {
 
            UIElements.setEntry
 
              (  id
 
              , UFUI.labels
 
              , UFUtils.makeLink (  UFUI.defaultLabels[id]
 
                                  , '/wiki/Commons:First_steps/Quality_and_description')
 
              );
 
          } else {
 
            UIElements.setEntry
 
              (id, UFUI.labels, document.createTextNode (UFUI.defaultLabels[id]));
 
          }
 
        }
 
        for (var id in UFUI.defaultErrorMsgs) {
 
          UIElements.setEntry (id, UFUI.error_msgs,
 
                              document.createTextNode (UFUI.defaultErrorMsgs[id]));
 
        }
 
        for (var id in UFUI.defaultHints) {
 
          UIElements.setEntry (id, UFUI.hints,
 
                              document.createTextNode (UFUI.defaultHints[id]));
 
        }
 
         
 
        // Now try to read the localized stuff from the uploadfooter.
 
        UIElements.load ('wpUploadFormLabels', null, 'span', UFUI.labels);
 
        UIElements.load ('wpUploadFormErrorMessages', null, 'span', UFUI.error_msgs);
 
        UIElements.load ('wpUploadFormHints', null, 'span', UFUI.hints);
 
        UIElements.load ('wpUploadFormUIElements', null, 'div', UFUI.uiElements);
 
        UIElements.load ('wpUploadFormHelp', null, 'div', UFUI.help);
 
        UFUI.basic = false;
 
      } else {
 
        UFUI.labels    = UFUI.defaultLabels;
 
        UFUI.error_msgs = UFUI.defaultErrorMsgs;
 
        UFUI.hints      = UFUI.defaultHints;
 
        UFUI.basic      = true;
 
      }
 
    } 
 
  },
 
 
  getUI : function (id, repository, basic)
 
  {
 
    if (!UFUI.labels) {
 
      UFUI.sanitizeUserLanguage ();
 
      UFUI.setupRepositories ();
 
    }
 
    if (!UFUI[repository]) return null;
 
    var result  = null;
 
    var add_plea = false;
 
    if (UFUI.basic) {
 
      result = document.createTextNode (UFUI[repository][id]);
 
      add_plea = (UFUI.internalLanguage != UFUI.defaultLanguage);
 
    } else {
 
      result = UIElements.getEntry (id, UFUI[repository], UFUI.internalLanguage, null);
 
      add_plea = !result;
 
      if (!result) result = UIElements.getEntry (id, UFUI[repository]);
 
      if (!result) return null; // Hmmm... what happened here? We normally have defaults...
 
      result = result.cloneNode (true);
 
    }
 
    if (add_plea && !basic) {
 
      // Wrap it all into a span -- we can return only one element
 
      var span = document.createElement ('span');
 
      span.appendChild (result);
 
      span.appendChild (UFUI.plea (repository, id));
 
      result = span;
 
    }
 
    return result;
 
  },
 
 
  plea : function (what, msg_id)
 
  {
 
    var span = document.createElement ('sub');
 
    span.appendChild (document.createTextNode (' ('));
 
    span.appendChild (
 
      UFUtils.makeLink (
 
        UFUI.translate[UFUI.internalLanguage] || UFUI.translate.en
 
      , 'http://commons.wikimedia.org/wiki/MediaWiki_talk:UploadFormLabels/UploadFormTranslations?action=edit'
 
        +'&section=new'
 
        +'&withJS=MediaWiki:UploadFormTranslator.js&language='
 
        +encodeURIComponent (UFUI.userLanguage)
 
        +'&uploadformurl=' + encodeURIComponent (document.URL)
 
        +(what ? '&uploadformitems=' + encodeURIComponent (what) : "")
 
        +(msg_id ? '&uploadformmsg=' + encodeURIComponent (msg_id) : "")));
 
    span.appendChild (document.createTextNode (')'));
 
    return span;
 
  },
 
 
  getLabel : function (id, basic)
 
  {
 
    return UFUI.getUI (id, 'labels', basic);
 
  },
 
 
 
  getErrorMsg : function (id, basic)
 
  {
 
    return UFUI.getUI (id, 'error_msgs', basic);
 
  },
 
 
 
  getHint : function (id, basic)
 
  {
 
    return UFUI.getUI (id, 'hints', basic);
 
  },
 
 
  getEntry : function (id, repository, lang, sel)
 
  {
 
    if (!UFUI.labels) {
 
      UFUI.sanitizeUserLanguage ();
 
      UFUI.setupRepositories ();
 
    }
 
    if (!UFUI.basic)
 
      return UIElements.getEntry (id, UFUI[repository], lang, sel);
 
    if (!UFUI[repository] || lang != UFUI.defaultLanguage || !!sel && sel != 'default')
 
      return null;
 
    return UFUI[repository][id];
 
  }
 
 
 
}; // end UFUI
 
 
var UFHelp =  // Collects all help-related stuff
 
{
 
  help_close_imgs : null,
 
 
 
  precreate_tooltip_closer : function ()
 
  {
 
    if (typeof (Tooltip) != 'undefined' && typeof (Buttons) != 'undefined') {
 
      var close_imgs =
 
        UFUI.getEntry ('wpUploadFormHelpCloseButton', 'uiElements', UFUI.internalLanguage);
 
      if (!close_imgs)
 
        close_imgs = UFUI.getEntry ('wpUploadFormHelpCloseButton', 'uiElements');
 
      if (close_imgs) close_imgs = close_imgs.getElementsByTagName ('img');
 
      if (!close_imgs || close_imgs.length == 0)
 
        close_imgs = null;
 
      else
 
        close_imgs =  Buttons.createClass (close_imgs, 'wpUploadFormHelpCloseClass');
 
      UFHelp.help_close_imgs = close_imgs;
 
    }
 
  },
 
 
 
  tooltip_styles : // The style for all our tooltips
 
  {  border          : '1px solid #8888aa'
 
    , backgroundColor : '#f7f8ff'
 
    , padding        : '0.3em'
 
    , fontSize        : ((skin && (skin == 'monobook' || skin == 'modern')) ? '127%' : '100%')
 
      // Scale up to default text size
 
  },
 
 
  getHelp : function (help_id, with_ext)
 
  {
 
    // This is a Tooltip callback! Sets the help texts dynamically, depending of the file
 
    // type the user has chosen in wpDestFile.
 
    var fn = null;
 
    if (with_ext) {
 
      fn = document.getElementById ('wpDestFile');
 
      if (fn != null) fn = fn.value;
 
      if (fn != null) {
 
        fn = fn.split ('.');
 
        if (fn.length >= 2) fn = fn[fn.length-1]; else fn = null;
 
      }
 
    }
 
   
 
    var add_plea  = false;
 
    var extensions = [fn, 'default'];
 
    var help_main  = null;
 
    for (var i = 0; i < extensions.length && !help_main; i++) {
 
      if (extensions[i] && extensions[i].length > 0) {
 
        help_main = UFUI.getEntry (help_id, 'help', UFUI.internalLanguage, extensions[i]);
 
        if (!help_main) {
 
          help_main = UFUI.getEntry (help_id, 'help', null, extensions[i]);
 
          add_plea  = (help_main != null);
 
        }
 
      }
 
    }
 
    var help_base = UFUI.getEntry (help_id, 'help', UFUI.internalLanguage);
 
    if (!help_base) {
 
      help_base = UFUI.getEntry (help_id, 'help');
 
      add_plea  = add_plea || (help_base != null);
 
    }
 
    var help = document.createElement ('div');
 
    if (help_base) help.appendChild (help_base);
 
    if (help_main) help.appendChild (help_main);
 
    if (!help_main && !help_base) {
 
      help.appendChild (UFUI.getErrorMsg ('wpNoHelpTextError'));
 
    } else if (add_plea) {
 
      help.appendChild (UFUI.plea ('help', help_id));
 
    }
 
    return help;
 
  },
 
 
  showHelp : function (evt, id) // Onclick handler for setup without tooltips
 
  {
 
    var e = evt || window.event;
 
    var node = e.target || e.srcElement;
 
    if (!node) {
 
      var error = UFUI.getErrorMsg ('wpNoHelpTextError', true);
 
      // We need the text contents... and IE doesn't know Node.TEXT_NODE
 
      while (error && error.nodeType != 3) error = error.firstChild;
 
      if (error) alert (error.data);
 
      // Otherwise what??
 
    } else if (!document.getElementById (id + '_Div')) {
 
      var help = UFHelp.getHelp (id, false);
 
      help.style.fontSize = 'small';
 
      help.style.color    = '#666666';
 
      // Now add a new table row after the current one
 
      var tr = node.parentNode;
 
      while (tr && tr.nodeName.toLowerCase () != 'tr') tr = tr.parentNode;
 
      if (!tr) {
 
        var error = UFUI.getErrorMsg ('wpNoHelpTextError', true);
 
        while (error && error.nodeType != 3) error = error.firstChild;
 
        if (error) alert (error.data);
 
      } else {
 
        var new_tr = document.createElement ('tr');
 
        var cell = document.createElement ('td');
 
        new_tr.appendChild (cell);
 
        cell = document.createElement ('td');
 
        cell.id = id + '_Div';
 
        new_tr.appendChild (cell);
 
        tr.parentNode.insertBefore (new_tr, tr.nextSibling);
 
        cell = UFUtils.convert_td_div (cell);
 
        cell.appendChild (help);
 
      }
 
    }
 
    if (!!e.stopPropagation) {
 
      e.stopPropagation ();
 
      e.preventDefault ();
 
    } else if (typeof (e.cancelBubble) != 'undefined') {
 
      e.cancelBubble = true;
 
    }
 
    return false;
 
  },
 
 
 
  setupHelp : function (is_reupload)
 
  {
 
    if (!UFUI.help) return; // Help not loaded
 
   
 
    function setHelp (id, imgs, lk, maximum_width, is_reupload)
 
    {
 
      // Figure out where to place the help "button"
 
      var field = document.getElementById (id);
 
      var insert_in = null, before = null;
 
      var help_id = id + 'Help';
 
      if (!UFUI.help[help_id]) return; // Don't add if we have no help at all.
 
      var offset = -5; // Pixels.
 
      switch (id) {
 
        case 'wpWatchthis':
 
        case 'wpIgnoreWarning':
 
          // Right of the element
 
          if (!field) return;
 
          insert_in = field.parentNode;
 
          // Find the label.
 
          {
 
            var lbls = insert_in.getElementsByTagName ('label');
 
            if (!lbls) {
 
              before = field.nextSibling;
 
            } else {
 
              for (var i = 0; i < lbls.length; i++) {
 
                if (lbls[i].htmlFor && lbls[i].htmlFor == id) {
 
                  before = lbls[i].nextSibling; break;
 
                }
 
              }
 
            }
 
          }
 
          offset = Math.abs (offset);
 
          break;
 
        case 'wpCategories':
 
          field = document.getElementById ('hotcatLabelTranslated');
 
          if (!field) return;
 
          insert_in = field;
 
          before    = null;
 
          if (field.firstChild) {
 
            field  = field.firstChild;
 
            offset = Math.abs (offset);
 
          }
 
          break;
 
        case 'wpAuthor':
 
        case 'wpSource':
 
          if (!field) return;
 
          field    = field.parentNode; // Because the field itself may vanish.
 
          insert_in = field.parentNode.cells[0];
 
          before    = null;
 
          break;
 
        case 'wpDestFile':
 
          if (!field) return;
 
          insert_in = field.parentNode.parentNode.cells[0];
 
          before    = null;
 
          if (is_reupload) {
 
            help_id = 'wpReuploadDestHelp';
 
            field  = null; // Field is hidden: attach the help text to the button instead
 
          }
 
          break;         
 
        case 'wpDesc':
 
          if (!field) {
 
            field = document.getElementById ('wpUploadDescription');
 
            if (field) { // Basic form
 
              help_id = (is_reupload ? 'wpReuploadSummaryHelp' : 'wpUploadDescriptionHelp');
 
            } else {
 
              insert_in = document.getElementById ('wpDescLabel');
 
              if (!insert_in) return;
 
              field    = insert_in;
 
              offset    = Math.abs (offset);
 
              before    = insert_in.nextSibling;
 
              insert_in = insert_in.parentNode;
 
              break;
 
            }
 
          }
 
          // Fall through
 
        default:
 
          if (!field) return;
 
          // In the table cell to the left
 
          insert_in = field.parentNode.parentNode.cells[0];
 
          before    = null;
 
      }
 
      // Create and insert the help "button"
 
      var button_construct = null, button = null;
 
      if (imgs && typeof (Buttons) != 'undefined') {
 
        button = Buttons.makeButton (imgs, id + '_HelpButton', '#');
 
        button.style.position = 'relative';
 
        button.style.top      = '-0.4em';
 
        button_construct      = button;
 
      } else {
 
        button_construct = lk.cloneNode (true);
 
        button = button_construct.getElementsByTagName ('a')[0];
 
      }
 
      insert_in.insertBefore (button_construct, before);
 
      if (typeof (Tooltip) != 'undefined') {
 
        // Create the tooltip
 
        var tooltip =
 
          new Tooltip
 
            (  button
 
            , function () { var hlp = help_id; return UFHelp.getHelp (hlp, true); }
 
            , { activate    : Tooltip.CLICK
 
                ,deactivate  : (UFHelp.help_close_imgs
 
                                ? Tooltip.CLICK_ELEM
 
                                : Tooltip.CLICK_TIP|Tooltip.CLICK_ELEM|Tooltip.LOSE_FOCUS)
 
                ,close_button : UFHelp.help_close_imgs
 
                ,mode        : Tooltip.FIXED
 
                ,fixed_offset : {x:10, y: offset}
 
                ,max_pixels  : maximum_width
 
                ,target      : field
 
                ,open_delay  : 0
 
                ,hide_delay  : 0
 
              }
 
            , UFHelp.tooltip_styles
 
            );
 
      } else {
 
        // Alternative setup without Tooltips: insert help text statically in a table field below the
 
        // button.
 
        button.onclick =
 
          function (evt) { var hlp = help_id; return UFHelp.showHelp (evt, hlp); };
 
      }
 
    }
 
 
 
    var button_imgs = null, button_lk  = null;
 
    if (typeof (Buttons) != 'undefined') {
 
      var button_imgs = UFUI.getEntry ('wpUploadFormHelpOpenButton', 'uiElements', UFUI.internalLanguage);
 
      if (!button_imgs) button_imgs = UFUI.getEntry ('wpUploadFormHelpOpenButton', 'uiElements');
 
      var button_lk  = null;
 
      if (button_imgs) button_imgs = button_imgs.getElementsByTagName ('img');
 
    }
 
    if (!button_imgs || button_imgs.length == 0) {
 
      // Alternative text-based "button"
 
      button_lk = document.createElement ('sup');
 
      button_lk.appendChild (document.createElement ('b'));
 
      button_lk.firstChild.appendChild (document.createTextNode (' ['));
 
      button_lk.firstChild.appendChild (UFUtils.makeLink ('?', '#'));
 
      button_lk.firstChild.appendChild (document.createTextNode (']'));
 
      button_imgs = null;
 
    } else {
 
      button_imgs = Buttons.createClass (button_imgs, 'wpUploadFormHelpOpenClass');
 
    }
 
 
    var widest_field = document.getElementById ('wpAdditionalInfo');
 
    var max_width    = 0;
 
    if (!widest_field) widest_field = document.getElementById ('wpUploadDescription');
 
    if (widest_field) {
 
      var w = UFUtils.getWidth (widest_field);
 
      try {
 
        max_width = Math.round (w * 0.9);
 
      } catch (ex) {
 
        max_width = 0;
 
      }
 
    }
 
    setHelp ('wpUploadFile', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpDestFile', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpSource', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpAuthor', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpDate', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpDesc', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpPermission', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpOtherVersions', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpAdditionalInfo', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpLicense', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpCategories', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpWatchthis', button_imgs, button_lk, max_width, is_reupload);
 
    setHelp ('wpIgnoreWarning', button_imgs, button_lk, max_width, is_reupload);
 
  }
 
 
}; // end UFHelp
 
 
var UploadFormBasic =
 
{
 
  on_error_form : false, // True iff we're on a re-sent form (error case).
 
 
  setup : function (auto_fill)
 
  {
 
    // Special setup: don't use separate input fields; just verify the filename and that the
 
    // description isn't empty.
 
    var desc = document.getElementById ('wpUploadDescription');
 
    var previous_form = null;
 
    UploadForm.previous_hotcat_state = null;
 
    if (!UploadForm.isReupload) {
 
      if (typeof (FormRestorer) != 'undefined') {
 
        var current_dest_file = document.getElementById ('wpDestFile');
 
        var original_dest_file = null;
 
        if (current_dest_file != null) {
 
          current_dest_file  = current_dest_file.value;
 
          original_dest_file = current_dest_file.defaultValue;
 
        }
 
        if (original_dest_file && original_dest_file.length > 0) {
 
          // If original_dest_file was set to something, we're not on the original upload form but
 
          // on the re-sent form in error cases.
 
          UploadFormBasic.on_error_form = true;
 
        } else if (current_dest_file && current_dest_file.length > 0) {
 
          previous_form = FormRestorer.readForm ('UploadFormBasic');
 
          if (!previous_form && desc && desc.value && desc.value.length > 0) {
 
            // Hmmm... IE sometimes cannot read the cookie (because it wasn't stored, due to some
 
            // strange security settings on some computers that I've been unable to track down).
 
            // If we're here, we have a target file name *and* a description: assume the description
 
            // comes from the browser's field value cache and make sure we don't overwrite it.
 
            auto_fill = false;
 
          }
 
        }
 
      }
 
      if (previous_form) {
 
        var additional_data = previous_form[0].val;
 
        if (additional_data) {
 
          additional_data    = additional_data.split ('\t');
 
          var previous_file  = additional_data[0];
 
          if (previous_file == current_dest_file) {
 
            if (additional_data.length >= 2) UploadForm.previous_hotcat_state = additional_data[1];
 
          } else {
 
            previous_form = null;
 
          }
 
        }
 
      }
 
    }
 
    UploadForm.formModified = true;
 
    if (document.getElementById ('wpLicense') != null)
 
      UploadForm.setup_license_preview ();     
 
    UploadForm.oldOnSubmit = UploadForm.the_form.onsubmit;
 
    UploadForm.the_form.onsubmit = UploadFormBasic.submit;
 
    if (!UploadForm.isReupload) {
 
      UploadForm.addPreviewButton (UploadFormBasic.preview);
 
    }
 
    if (previous_form) {
 
      // Restore form values.
 
      if (desc) {
 
        var prev = UploadForm.getPrevValue (previous_form, desc.id);
 
        if (prev) desc.value = prev;
 
      }
 
      if (UploadForm.previous_hotcat_state != null && typeof (hotcat_set_state) == 'function') {
 
        var input = document.getElementById ('hotcat_text');
 
        if (input != null) hotcat_cancel ();
 
        UploadForm.previous_hotcat_state = hotcat_set_state (UploadForm.previous_hotcat_state);
 
      }
 
    } else {
 
      if (!!UploadForm_autofill && auto_fill && !UploadForm.isReupload) {
 
        if (desc) desc.value = UploadForm.empty_template ('Information');
 
      }
 
    }
 
    if (desc && desc.value && desc.value.indexOf ('\{\{Information') >= 0) {
 
      // Only hide the box in the Uploadtext if there is really an inormation-template in the
 
      // summary!
 
      var infobox = document.getElementById ('Uploadtext-template-box');
 
      if (infobox) infobox.style.display = 'none';
 
    }
 
  },
 
 
  submit : function (evt)
 
  {
 
    var overwrite = false;
 
    if (!UploadForm.isReupload) overwrite = UploadForm.isOverwrite ();
 
    if (!UploadFormBasic.verify (overwrite)) return false;
 
   
 
    if (!UploadForm.isReupload) {
 
      var target_name = document.getElementById ('wpDestFile');
 
      if (target_name != null && target_name.value != null) // Strip whitespace
 
        target_name.value = target_name.value.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
 
      if (!UploadFormBasic.on_error_form
 
          && typeof (FormRestorer) != 'undefined'
 
          && target_name != null && target_name.value != null) {
 
        var hotcat_state = null;
 
        if (typeof (hotcat_get_state) == 'function') {
 
          var input = document.getElementById ('hotcat_text');
 
          if (input != null) hotcat_closeform ();
 
          hotcat_state = hotcat_get_state ();
 
        }
 
        // We already know that target_name.value is set!
 
        FormRestorer.saveForm
 
          (  'UploadFormBasic'
 
          , UploadForm.the_form.id
 
          , target_name.value
 
            + (hotcat_state != null ? '\t' + hotcat_state : '')
 
          , ';path=' + document.location.pathname
 
            + ';max-age=1800');
 
        // Expire after half an hour.
 
      }
 
    } // end if (UploadForm.isReupload)
 
   
 
    var desc = document.getElementById ('wpUploadDescription');
 
    var old_desc_value = desc.value;
 
    var do_submit = UploadForm.call_onsubmit (evt || window.event);
 
    if (!do_submit)
 
      desc.value = old_desc_value;
 
    else {
 
      desc.value = UploadForm.fixCategoryTransclusion (UploadForm.clean (desc.value));
 
      UploadForm.hidePreview ();
 
      document.getElementById ('wpDestFile').disabled = false;
 
    }
 
    return do_submit;
 
  },
 
 
  preview : function (evt)
 
  {
 
    var overwrite = UploadForm.isOverwrite ();
 
    if (!UploadFormBasic.verify (overwrite)) return false;
 
   
 
    var desc = document.getElementById ('wpUploadDescription');
 
    UploadForm.makePreview (UploadForm.clean (desc.value), overwrite);
 
    return true;
 
  },
 
 
 
  verify : function (overwrite)
 
  {
 
    var desc = document.getElementById ('wpUploadDescription');
 
    var ok  = true;
 
 
    if (UploadForm.isReupload) {
 
      // Only check that the description isn't empty
 
      if (UploadForm.errorMsgs != null) delete UploadForm.errorMsgs;
 
      UploadForm.errorMsgs = new Array ();
 
      UploadForm.warning_pushed = false;
 
      if (!desc.value || desc.value.search (/\S/) < 0) {
 
        desc.style.backgroundColor = UploadForm.errorColor;
 
        desc.onkeyup = UploadForm.resetBg;
 
        UploadForm.errorMsgs.push ('wpReuploadNoSummaryError');
 
        ok = false;
 
      }
 
    } else {
 
      if (!overwrite) {
 
        if (UploadForm.errorMsgs != null) delete UploadForm.errorMsgs;
 
        UploadForm.errorMsgs = new Array ();
 
        UploadForm.warning_pushed = false;
 
 
 
        if (!UploadForm.verifyMandatoryField (desc)) {
 
          desc.onkeyup = UploadForm.resetBg;
 
          ok = false;
 
        } else {
 
          // We do have a non-empty description. Try to split it up and check that the fields for
 
          // author, source, and description are filled in.
 
          var fields = UploadForm.split_description (desc.value);
 
          if (fields != null && fields.length == 4) {
 
            if (  fields[1] == null || fields[1].search (/\S/) < 0  // Author
 
                || fields[2] == null || fields[2].search (/\S/) < 0) // Source
 
            {
 
              desc.style.backgroundColor = UploadForm.errorColor;
 
              desc.onkeyup = UploadForm.resetBg;
 
              if (!UploadForm.warning_pushed) {
 
                if (UploadForm.errorMsgs != null)
 
                  UploadForm.errorMsgs.push ('wpUploadWarningError');
 
                UploadForm.warning_pushed = true;
 
              }
 
              ok = false;
 
            }
 
            if (  UploadForm.templates[fields[0]].desc_mandatory
 
                && (fields[3] == null || fields[3].search (/\S/) < 0)) // Description
 
            {
 
              desc.style.backgroundColor = UploadForm.errorColor;
 
              desc.onkeyup = UploadForm.resetBg;
 
              UploadForm.errorMsgs.push ('wpNoDescriptionError');
 
              ok = false;
 
            }
 
          }
 
        }
 
        // Try a license check
 
        var license = document.getElementById ('wpLicense');
 
        if (license == null || license.selectedIndex == 0) {
 
          // There must be a license somewhere in the description.
 
          if (!UploadForm.has_license ([desc])) {
 
            var d = desc.value.replace (/\{\{\s*([Ii]nformation|[Pp]ainting|[Ff]lickr)\s*\n/g,""); 
 
            if (d.indexOf ('\{\{') < 0) {
 
              // No transcludion that could provide a license either
 
              desc.style.backgroundColor = UploadForm.errorColor;
 
              desc.onkeyup = UploadForm.resetBg;
 
              if (!UploadForm.warning_pushed) {
 
                if (UploadForm.errorMsgs != null)
 
                  UploadForm.errorMsgs.push ('wpUploadWarningError');
 
                UploadForm.warning_pushed = true;
 
              }
 
              ok = false;
 
            } else {
 
              // Assume it's ok.
 
            }
 
          }
 
        } // end license check
 
        var target_name = document.getElementById ('wpDestFile');
 
        if (target_name != null) {
 
          // Trim leading and trailing whitespace
 
          target_name.value = target_name.value.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
 
          if (!UploadForm.verifyFileName (target_name.value)) {
 
            target_name.style.backgroundColor = UploadForm.errorColor;
 
            target_name.onkeyup =
 
              function (evt)
 
              {
 
                UploadForm.resetBg (evt);
 
                if (typeof (wgUploadWarningObj.keypress) == 'function' && !UploadForm.isReupload)
 
                  wgUploadWarningObj.keypress();
 
              };
 
            ok = false;
 
          }
 
        }
 
      }
 
    } // end if (reupload or not)
 
    if (!ok) {
 
      UploadForm.hidePreview ();
 
      UploadForm.display_errors ();
 
    } else {
 
      // It's ok: hide our warning box
 
      var my_warning = document.getElementById ('wpUploadVerifyWarning');
 
      if (my_warning != null) my_warning.style.display = 'none';
 
    }
 
    return ok;
 
  } // end verify
 
 
}; // end UploadFormBasic
 
 
var UploadFormFull =
 
{
 
  form_type            : 0,    // 0 - single desc field; 1 - one desc field per language
 
  field_state          : null,  // Will be initialized in setup below.
 
 
  multi_inputs : null,
 
  // If we're using several description fields, this is an array of objects
 
   
 
  pushMultiInput : function (sel, text)
 
  {
 
    if (UploadFormFull.multi_inputs == null) {
 
      UploadFormFull.multi_inputs = [{selector : sel, textfield : text}];
 
    } else {
 
      UploadFormFull.multi_inputs[UploadFormFull.multi_inputs.length] =
 
        {selector : sel, textfield : text};
 
    }
 
    var idx  = UploadFormFull.multi_inputs.length;
 
    sel.id    = 'wpLangSel' + idx;
 
    sel.name  = sel.id;
 
    text.id  = 'wpDescText' + idx;
 
    text.name = text.id; 
 
  },
 
   
 
  addDescField : function (content, lang, idx, stored_form)
 
  {
 
    var selector = LanguageHandler.getSelect
 
                    (null, lang, UFUI.getLabel ('wpUnknownLanguageUploadLbl', true));
 
    // These style definitions are needed for IE, which otherwise creates excessively wide
 
    // selectors, pushing the main form to the right.
 
    selector.style.maxWidth = '12em';
 
    selector.style.width    = '12em';
 
    selector.style.overflow = 'hidden';
 
    var textfield  = document.createElement ('textarea');
 
    textfield.setAttribute ('rows', UFUtils.getHeight (UploadForm_description_height, 2, 6));
 
    textfield.style.width = '100%';
 
    UploadFormFull.pushMultiInput (selector, textfield);
 
 
    var new_row = content.insertRow (idx == null ? content.rows.length : idx);
 
    var first_cell = document.createElement ('td');
 
    first_cell.setAttribute ('align', 'right');
 
    first_cell.setAttribute ('vAlign', 'top');
 
    first_cell.appendChild (selector);
 
    var second_cell = document.createElement ('td');
 
    second_cell.setAttribute ('align', 'left');
 
    second_cell.setAttribute ('vAlign', 'top');
 
    second_cell.appendChild (textfield);
 
    new_row.appendChild (first_cell);
 
    new_row.appendChild (second_cell);
 
 
    if (stored_form != null) {
 
      var prev_idx = UploadForm.getPrevValue (stored_form, selector.id);
 
      var prev_val = UploadForm.getPrevValue (stored_form, textfield.id);
 
      if (prev_val != null) textfield.value = prev_val;
 
      if (prev_idx != null) {
 
        selector.options[selector.selectedIndex].selected = false;
 
        selector.options[prev_idx].selected = true;
 
      }
 
    }
 
    UploadFormFull.enable_edittools (textfield);
 
  },
 
 
 
  addOneDescField : function (evt) // onclick handler for the button
 
  {
 
    var button = document.getElementById ('wpUploadAddDescription');
 
    var table_row = button.parentNode.parentNode;
 
    var idx = table_row.rowIndex;
 
    UploadFormFull.addDescField (table_row.parentNode, null, idx, null);
 
  },
 
 
  addMultiDesc : function (table, idx, stored_form)
 
  {
 
    // Add en and user language, if different
 
    var userLang = LanguageHandler.closestLanguage (UFUI.userLanguage);
 
 
    if (userLang == 'pt-br') userLang = 'pt'; // Per request from Portuguese and Brazilians
 
    var first_cell = document.createElement ('td');
 
    first_cell.setAttribute ('align', 'right');  // RTL languages?
 
    var second_cell = document.createElement ('td');
 
    var new_label = document.createElement ('label');
 
    new_label.id = 'wpDescLabel';
 
    new_label.appendChild (UFUI.getLabel ('wpDescUploadLbl'));
 
    first_cell.appendChild (new_label);
 
 
    var new_row = table.insertRow (idx);
 
    new_row.appendChild (first_cell);
 
    new_row.appendChild (second_cell);
 
    idx++;
 
 
    var added = false;
 
    if (stored_form != null) {
 
      // Maybe we had more... find 'wpLangSel1'
 
      var curr = 0;
 
      for (var i = 1; i < stored_form.length; i++) {
 
        if (stored_form[i].id == 'wpLangSel1') {
 
          curr = i; break;
 
        }
 
      }
 
      if (curr > 0) {
 
        while (  curr < stored_form.length
 
              && stored_form[curr].id.indexOf ('wpLangSel') == 0) {
 
          UploadFormFull.addDescField (table, null, idx++, stored_form);
 
          added = true; curr++;
 
          if (curr < stored_form.length && stored_form[curr].id.indexOf ('wpDescText') == 0)
 
            curr++;
 
        }
 
      }
 
    } // end if
 
    if (!added) {
 
      if (  UploadForm_description_languages
 
          && UploadForm_description_languages.constructor == Array
 
          && UploadForm_description_languages.length > 0) {
 
        for (var i = 0; i < UploadForm_description_languages.length; i++) {
 
          var lang = LanguageHandler.closestLanguage (UploadForm_description_languages[i]);
 
          UploadFormFull.addDescField (table, lang, idx++, stored_form);
 
        }
 
      } else {
 
        if (UploadForm_own_language_first) {
 
          if (userLang != null && userLang != UFUI.defaultLanguage)
 
            UploadFormFull.addDescField (table, userLang, idx++, stored_form);
 
          UploadFormFull.addDescField (table, UFUI.defaultLanguage, idx++, stored_form);
 
        } else {
 
          UploadFormFull.addDescField (table, UFUI.defaultLanguage, idx++, stored_form);
 
          if (userLang != null && userLang != UFUI.defaultLanguage)
 
            UploadFormFull.addDescField (table, userLang, idx++, stored_form);
 
        }
 
      }
 
    }
 
    // Now add a "+" button
 
    var additional =
 
      UploadForm.customFormButton
 
        (  'wpUploadFormAddDescButton'    // Customization ID
 
        , 'wpUploadAddDescription'        // ID of button
 
        , '+'                            // Default text
 
        , UploadFormFull.addOneDescField  // Event handler
 
        );
 
   
 
    new_row = table.insertRow (idx++);
 
    first_cell = document.createElement ('td');
 
    second_cell = document.createElement ('td');
 
    second_cell.setAttribute ('align', 'left');
 
    second_cell.appendChild (additional);
 
    new_row.appendChild (first_cell);
 
    new_row.appendChild (second_cell);
 
   
 
    return idx;
 
  },
 
 
  changeField : function (field_id) // Callback for changeable field button
 
  {
 
    function get_selection (field)
 
    {
 
      // Based on code from Jonas Raoni Soares Silva at http://jsfromhell.com/forms/selection
 
      // License: {{tl|attribution}}
 
      // Warning: simplified because we apply it only to an INPUT field. For TEXTAREAs, see the
 
      // URL given.
 
      if (typeof (field.selectionStart) != 'undefined')
 
        return {start: field.selectionStart, end: field.selectionEnd};
 
      else if (!!field.createTextRange) {
 
        field.focus ();
 
        var s = document.selection.createRange();
 
        if (s.parentElement() != field) return {start: 0, end: 0};
 
        var r = field.createTextRange(); r.setEndPoint ("EndToStart", s);
 
        return {start: r.text.length, end: r.text.length + s.text.length};
 
      }
 
      return {start: 0, end: 0};
 
    }
 
 
    var field  = document.getElementById (field_id);
 
    if (field.disabled) return; // Don't do anything if the field isn't enabled.
 
 
    var button = document.getElementById (field_id + '_Button');
 
    var cell  = field.parentNode;
 
    if (!field || !button || !cell) return; // Error message here?
 
    var new_field = document.createElement ('textarea');
 
    var height = UFUtils.getHeight (UploadFormFull.field_state[field_id].height, 2, 4);
 
    new_field.setAttribute ('rows', height);
 
    new_field.style.width = '100%';
 
    new_field.value = field.value;
 
    var sel = get_selection (field);
 
    var tab_idx = field.getAttribute ('tabindex');
 
    cell.removeChild (button);
 
    cell.replaceChild (new_field, field);
 
    field.id = "";
 
    field.onfocus = null;
 
    new_field.id = field_id;
 
    new_field.setAttribute ('tabindex', tab_idx);
 
    UploadFormFull.enable_edittools (new_field);
 
    // Restore the selection
 
    if (!!new_field.setSelectionRange) // e.g. khtml
 
      new_field.setSelectionRange (sel.start, sel.end);
 
    else if (typeof (new_field.selectionStart) != 'undefined') {
 
      new_field.selectionStart = sel.start;
 
      new_field.selectionEnd  = sel.end;
 
    } else if (new_field.createTextRange) { // IE
 
      var new_selection = new_field.createTextRange();
 
      new_selection.move ("character", sel.start);
 
      new_selection.moveEnd ("character", sel.end - sel.start);
 
      new_selection.select();
 
    }
 
    new_field.focus ();
 
    UploadFormFull.field_state[field_id].height = height;
 
  },
 
 
 
  enable_edittools : function (textfield)
 
  {
 
    // To be called on each dynamically added field to ensure the edit toolbar works there
 
    if (typeof (EditTools) != 'undefined' && typeof (EditTools.registerTextField) == 'function') {
 
      // We have EditTools
 
      if (insertTags == EditTools.insertTags) {
 
        // EditTools is already set up: we have to add an onfocus handler ourselves
 
        addEvent (textfield, 'focus', EditTools.registerTextField);
 
      }
 
      // Otherwise, EditTools will be set up later, and will catch this field, so we don't have
 
      // to do anything.
 
    }
 
  },
 
 
  switch_intro_text : function ()
 
  {
 
    // Set up the display of [[MediaWiki:Uploadtext]]
 
    var long_text  = document.getElementById ('wpUploadFormLongText');
 
    var short_text = document.getElementById ('wpUploadFormShortText');
 
    if (long_text && short_text) {
 
      long_text.style.display = 'none';
 
      if (UFUtils.isChildOf (long_text, short_text)) {
 
        // If long_text is a child of short_text, then short_text is already shown, and
 
        // long_text is just a part that isn't needed for the new upload form. Hence
 
        // we're done.
 
        return;
 
      }
 
      if (UFUtils.isChildOf (short_text, long_text)) {
 
        // If the short_text is within the long_text, we need to take it out; otherwise
 
        // it won't be shown.
 
        short_text.parentNode.removeChild (short_text);
 
        long_text.parentNode.insertBefore (short_text, long_text.nextSibling);
 
      }
 
      short_text.style.display = "";
 
    } else {
 
      // Remove the redundant infobox in the uploadtext explanation. People should *not*
 
      // insert this template into description.
 
      var infobox = document.getElementById ('Uploadtext-template-box');
 
      if (infobox) infobox.style.display = 'none';
 
    }
 
  },
 
 
  set_hints : function ()
 
  {
 
    UploadForm.addAfterField ('wpDestFile', UFUI.getHint ('wpUploadFormDestFileHint'));
 
    UploadForm.addAfterField ('wpSource', UFUI.getHint ('wpUploadFormSourceHint'));
 
    UploadForm.addAfterField ('wpAuthor', UFUI.getHint ('wpUploadFormAuthorHint'));
 
    UploadForm.addAfterField ('wpDate', UFUI.getHint ('wpUploadFormDateHint'));
 
    UploadForm.addAfterField ('wpPermission', UFUI.getHint ('wpUploadFormPermissionHint'));
 
    UploadForm.addAfterField ('wpAdditionalInfo', UFUI.getHint ('wpUploadFormAdditionalInfoHint'));
 
    UploadForm.addAfterField ('catlinks', UFUI.getHint ('wpUploadFormCategoryHint'));
 
  },
 
 
  setup : function ()
 
  {
 
    function addField (table, idx, id, label, field, stored_form)
 
    {
 
      if (label == null) label = UFUI.getLabel (id + 'UploadLbl');
 
      var new_row = table.insertRow (idx);
 
      var firstCell = document.createElement ('td');
 
      firstCell.setAttribute ('align', 'right'); // RTL languages ??
 
      var new_label = document.createElement ('label');
 
      new_label.htmlFor = id;
 
      new_label.appendChild (label);
 
      firstCell.appendChild (new_label);
 
      var secondCell = document.createElement ('td');
 
      secondCell.setAttribute ('align', 'left');
 
      field.setAttribute ('name', id);
 
      field.setAttribute ('id', id);
 
      secondCell.appendChild (field);
 
      new_row.appendChild (firstCell);
 
      new_row.appendChild (secondCell);
 
      var prev_value = UploadForm.getPrevValue (stored_form, id);
 
      if (prev_value != null) field.value = prev_value;
 
      UploadFormFull.enable_edittools (field);
 
    }
 
 
    function addInput (table, idx, id, label, width, stored_form)
 
    {
 
      var new_field = document.createElement ('input');
 
      new_field.setAttribute ('type', 'text');
 
      new_field.setAttribute ('size', '' + width);
 
      addField (table, idx, id, label, new_field, stored_form);
 
      UploadFormFull.enable_edittools (new_field);
 
      return new_field;
 
    }
 
 
    function addChangeableField (height, table, idx, id, label, width, stored_form)
 
    {
 
      var new_field = null;
 
      var field_id = 'wp' + id;
 
      if (height == 0)
 
        height = UFUtils.getHeight (UploadFormFull.field_state[field_id].height, 1, 4);
 
      if (height > 1) {
 
        new_field = document.createElement ('textarea');
 
        new_field.setAttribute ('rows', height);
 
        new_field.style.width = '100%';
 
        addField (table, idx, 'wp' + id, null, new_field, stored_form);
 
      } else {
 
        new_field  = addInput (table, idx, field_id, null, 80, stored_form);
 
        var button =
 
          UploadForm.customFormButton
 
            (  'wpUploadForm' + id + 'Button'
 
            , field_id + '_Button'
 
            , '...'
 
            , function () { UploadFormFull.changeField (field_id); }
 
            );
 
        new_field.parentNode.insertBefore (button, new_field.nextSibling);
 
      }
 
      UploadFormFull.field_state[field_id].height = height;
 
      UploadFormFull.enable_edittools (new_field);
 
    }
 
 
    function setCheckBoxes (previous_form, boxes)
 
    {
 
      if (boxes == null || boxes.length == 0 || previous_form == null) return;
 
      for (var i = 0; i < boxes.length; i++) {
 
        if (boxes[i] != null) {
 
          var prev_val = UploadForm.getPrevValue (previous_form, boxes[i].id);
 
          if (prev_val != null) boxes[i].checked = prev_val;
 
        }
 
      }
 
    }
 
 
    // Init the field states. Cannot be done earlier, otherwise definitions in user's
 
    // monobook.js (or modern.js, or ...) won't be taken aboard.
 
    UploadFormFull.field_state =
 
      { wpSource: {height: UploadForm_source_field_size}
 
      ,wpAuthor: {height: UploadForm_author_field_size}
 
      };
 
 
    var previous_form        = null;
 
    var previous_type        = -1; // unknown
 
    var previous_fields      = [0, 0];
 
    UploadForm.previous_hotcat_state = null;
 
    if (typeof (FormRestorer) != 'undefined') {
 
      // We know that when we arrive here originally, wpDestFile.value is empty, as is
 
      // wpDestFile.defaultValue. If we entered something, submitted, and then come back,
 
      // modern browsers restore form entries, at least for the fields in the static XHTML.
 
      // wpDestFile is such a static field (it isn't added by Javascript), so if we have a
 
      // non-empty value here, we know that the form needs to restored. (But see the caveat
 
      // about IE and onload handling at the bottom of the file!)
 
      var current_dest_file = document.getElementById ('wpDestFile');
 
      if (current_dest_file != null) current_dest_file = current_dest_file.value;
 
      if (current_dest_file != null && current_dest_file.length > 0) {
 
        previous_form = FormRestorer.readForm ('UploadForm');
 
      }
 
      if (previous_form) {
 
        var additional_data = previous_form[0].val;
 
        if (additional_data) {
 
          additional_data    = additional_data.split ('\t');
 
          var previous_file  = additional_data[1];
 
          if (previous_file == current_dest_file) {
 
            previous_type      = parseInt (additional_data[0], 10);
 
            previous_fields[0] = parseInt (additional_data[2], 10);
 
            previous_fields[1] = parseInt (additional_data[3], 10);         
 
            if (additional_data.length >= 5) UploadForm.previous_hotcat_state = additional_data[4];
 
          } else {
 
            previous_form = null;
 
          }
 
        }
 
      }
 
    }
 
    var original_desc = document.getElementById ('wpUploadDescription');
 
    var original_row  = original_desc.parentNode.parentNode;
 
    var table        = original_row.parentNode;
 
    var original_idx  = original_row.rowIndex;
 
    UploadForm.formModified = true;
 
    original_desc.setAttribute ('id', "");
 
    UploadForm.oldOnSubmit = UploadForm.the_form.onsubmit;
 
    UploadForm.the_form.onsubmit = UploadFormFull.submit;
 
    table.deleteRow (original_idx);
 
    var idx = original_idx;
 
    // Insert source field
 
    var new_field = null;
 
    addChangeableField (previous_fields[0], table, idx++, 'Source', null, 80, previous_form);
 
    addChangeableField (previous_fields[1], table, idx++, 'Author', null, 80, previous_form);
 
    addInput (table, idx++, 'wpDate', null, 80, previous_form);
 
    // Insert description field
 
    if (typeof (LanguageHandler) == 'undefined' || previous_type == 0) {
 
      // Basic setup
 
      new_field = document.createElement ('textarea');
 
      new_field.setAttribute ('rows', UFUtils.getHeight (UploadForm_description_height, 6, 12));
 
      new_field.style.width = '100%';
 
      // Do not name the new field 'wpUploadDescription', otherwise MediaWiki:Upload.js
 
      // might prefill it with an information template!
 
      addField (table, idx++, 'wpDesc', null, new_field, previous_form);
 
      UploadFormFull.form_type = 0;
 
    } else {
 
      idx = UploadFormFull.addMultiDesc (table, idx, previous_form);
 
      UploadFormFull.form_type = 1;
 
    }
 
    addInput (table, idx++, 'wpOtherVersions', null, 80, previous_form);
 
    addInput (table, idx++, 'wpPermission', null, 80, previous_form);
 
    new_field = document.createElement ('textarea');
 
    new_field.setAttribute
 
      ('rows', UFUtils.getHeight (UploadForm_additional_info_height, 2, 10));
 
    new_field.style.width = '100%';
 
    // Work-around Firefox's "one additional line" bug
 
    addField (table, idx++, 'wpAdditionalInfo', null, new_field, previous_form);
 
    // Add a preview button.
 
    UploadForm.addPreviewButton (UploadFormFull.preview);
 
    // Correct tab indices.
 
    for (var i = 0; i < UploadForm.the_form.length; i++) {
 
      UploadForm.the_form.elements[i].setAttribute ('tabindex', '' + i);
 
    }
 
    var license = document.getElementById ('wpLicense');
 
    // Change the license previewer to not cause a table re-layout
 
    if (license != null) {
 
      // These style definitions are because long option labels result in excessively wide
 
      // selectors, causing also the description fields to go beyond the right border of the
 
      // page.
 
      license.style.maxWidth = '100%';
 
      license.style.width    = '100%';
 
      license.style.overflow = 'hidden';
 
    }
 
    UploadForm.setup_license_preview ();
 
    if (license != null) {
 
      var prev = UploadForm.getPrevValue (previous_form, 'wpLicense');
 
      if (prev != null) {
 
        try {
 
          license.options[license.selectedIndex].selected = false;
 
          license.options[prev].selected = true;
 
        } catch (ex) {
 
        }
 
      }
 
    }
 
    // Pre-fill in some cases
 
    if (UFUI.isOwnWork) {
 
      var src    = document.getElementById ('wpSource');
 
      var author  = document.getElementById ('wpAuthor');
 
      if (src != null && (src.value == null || src.value.length == 0)) {
 
        src.value = UploadForm.getOwnWorkSource ();
 
      }
 
      if (author != null && (author.value == null || author.value.length == 0)) {
 
        author.value = UploadForm.getOwnWorkAuthor ();
 
      }
 
      if (typeof (UploadForm_ownwork_date) == 'string'
 
          && UploadForm_ownwork_date.search (/\S/) >= 0) {
 
        var date = document.getElementById ('wpDate');
 
        if (date != null && (date.value == null || date.value.length == 0)) {
 
          date.value = UploadForm_ownwork_date;
 
        }
 
      }
 
    }
 
    if (previous_form != null) {
 
      setCheckBoxes
 
        (  previous_form
 
        , [  document.getElementById ('wpWatchthis')
 
            , document.getElementById ('wpIgnoreWarning')]);
 
    }   
 
    UploadFormFull.switch_intro_text ();   
 
    // If HotCat is present, restore its state, too.
 
    if (UploadForm.previous_hotcat_state != null && typeof (hotcat_set_state) == 'function') {
 
      var input = document.getElementById ('hotcat_text');
 
      if (input != null) hotcat_cancel ();
 
      UploadForm.previous_hotcat_state = hotcat_set_state (UploadForm.previous_hotcat_state);
 
    }
 
    UploadFormFull.set_hints ();
 
  }, // end setup
 
 
  get_desc_text : function (basic)
 
  {
 
    var desc_text = "";
 
    if (UploadFormFull.multi_inputs == null) {
 
      var desc = document.getElementById ('wpDesc');
 
      if (desc != null && !desc.disabled) desc_text = UploadForm.clean (desc.value);
 
    } else {
 
      for (var i = 0; i < UploadFormFull.multi_inputs.length; i++) {
 
        if (!UploadFormFull.multi_inputs[i].textfield.disabled) {
 
          var text    = UploadFormFull.multi_inputs[i].textfield.value;
 
          var selector = UploadFormFull.multi_inputs[i].selector;
 
          var lang    = selector.options[selector.selectedIndex].value;
 
          if (text != null && text.length > 0) {
 
            text = UploadForm.clean (text);
 
            if (desc_text.length > 0) desc_text = desc_text + '\n';
 
            if (!basic && lang != null && lang.length > 0 && lang != 'unknown') {
 
              // This is Commons-specific! The tl-template is already used, the template for
 
              // Tagalog is tgl!
 
              if (lang == 'tl') lang = 'tgl';
 
              desc_text = desc_text + '\{\{' + lang + '|1=' + text + '\}\}';
 
            } else
 
              desc_text = desc_text + text;
 
          }
 
        } // end if !disabled
 
      }
 
    }
 
    var more_info  = document.getElementById ('wpAdditionalInfo');
 
    if (!basic) {
 
      var src        = document.getElementById ('wpSource');
 
      var author    = document.getElementById ('wpAuthor');
 
      var date      = document.getElementById ('wpDate');
 
      var other      = document.getElementById ('wpPermission');
 
      var othervers  = document.getElementById ('wpOtherVersions');
 
 
      desc_text = '\{\{Information\n'
 
                  + '|Description='+ desc_text + '\n'
 
                  + '|Source=' + (!src.disabled ? UploadForm.clean (src.value) : "") + '\n'
 
                  + '|Author=' + (!author.disabled ? UploadForm.clean (author.value) : "") + '\n'
 
                  + '|Date=' + (!date.disabled ? UploadForm.clean (date.value) : "") + '\n'
 
                  + ((other && !other.disabled && other.value != null)
 
                      ? '|Permission=' + UploadForm.clean (other.value) + '\n'
 
                      : "")
 
                  + ((othervers && !othervers.disabled && othervers.value != null)
 
                      ? '|other_versions=' + UploadForm.clean (othervers.value) +'\n'
 
                      : "")
 
                  + '\}\}\n';
 
    } else {
 
      desc_text = desc_text + '\n';
 
    }
 
    // Append the additional info, if any
 
    if (more_info && !more_info.disabled && more_info.value)
 
      desc_text = desc_text + UploadForm.clean (more_info.value);
 
    return desc_text;
 
  },
 
 
 
  submit : function (evt)
 
  {
 
    var overwrite = UploadForm.isOverwrite ();
 
    if (!UploadFormFull.verify (overwrite)) return false;
 
   
 
    // Now put together an information-template
 
    var desc_text = UploadFormFull.get_desc_text (overwrite);
 
   
 
    var do_submit = true;
 
 
    var target_name = document.getElementById ('wpDestFile');
 
    if (target_name != null && target_name.value != null) // Strip whitespace
 
      target_name.value = target_name.value.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
 
 
    var dummy_desc = document.getElementById ('wpUploadDescription');
 
    // Sometimes, we do restore from scratch, and sometimes, the browser manages to keep everything.
 
    // If so, we may have a wpUploadDescription from an earlier submission. Remove it.
 
    if (dummy_desc != null) dummy_desc.parentNode.removeChild (dummy_desc);
 
   
 
    if (  typeof (FormRestorer) != 'undefined'
 
        && target_name != null && target_name.value != null) {
 
      var hotcat_state = null;
 
      if (typeof (hotcat_get_state) == 'function') {
 
        var input = document.getElementById ('hotcat_text');
 
        if (input != null) hotcat_closeform ();
 
        hotcat_state = hotcat_get_state ();
 
      }
 
      // We already know that target_name.value is set!
 
      FormRestorer.saveForm
 
        (  'UploadForm'
 
        , UploadForm.the_form.id
 
        , "" + UploadFormFull.form_type
 
          + '\t' + target_name.value
 
          + '\t' + UploadFormFull.field_state.wpSource.height
 
          + '\t' + UploadFormFull.field_state.wpAuthor.height
 
          + (hotcat_state != null ? '\t' + hotcat_state : '')
 
        , ';path=' + document.location.pathname
 
          + ';max-age=1800');
 
      // Expire after half an hour.
 
    }
 
   
 
    dummy_desc = document.createElement ('textarea');
 
    dummy_desc.setAttribute ('rows', '6');
 
    dummy_desc.setAttribute ('cols', '80');
 
    dummy_desc.style.display = 'none';
 
    dummy_desc.setAttribute ('name', 'wpUploadDescription');
 
    dummy_desc.setAttribute ('id', 'wpUploadDescription');
 
    UploadForm.the_form.appendChild (dummy_desc);
 
    dummy_desc.value = UploadForm.fixCategoryTransclusion (desc_text);
 
 
    do_submit = UploadForm.call_onsubmit (evt || window.event);
 
    if (!do_submit) {
 
      // Oops. We actually don't submit. Remove the hidden field
 
      UploadForm.the_form.removeChild (dummy_desc);
 
    } else {
 
      UploadForm.hidePreview ();
 
      document.getElementById ('wpDestFile').disabled = false;
 
      document.getElementById ('wpEditToken').disabled = false;
 
    }
 
    return do_submit;
 
  },
 
 
  preview : function (evt)
 
  {
 
    var overwrite = UploadForm.isOverwrite ();
 
    if (!UploadFormFull.verify (overwrite)) return false;
 
   
 
    UploadForm.makePreview (UploadFormFull.get_desc_text (overwrite), overwrite);
 
    return true;
 
  },
 
 
  verify : function (overwrite)
 
  {
 
    var src      = document.getElementById ('wpSource');
 
    var author    = document.getElementById ('wpAuthor');
 
    var date      = document.getElementById ('wpDate');
 
    var other    = document.getElementById ('wpPermission');
 
    var othervers = document.getElementById ('wpOtherVersions');
 
    var moreInfo  = document.getElementById ('wpAdditionalInfo');
 
    var ok        = true;
 
 
    if (!overwrite) {
 
      if (UploadForm.errorMsgs != null) delete UploadForm.errorMsgs;
 
      UploadForm.errorMsgs = new Array ();
 
      UploadForm.warning_pushed = false;
 
 
      if (!UploadForm.verifyMandatoryField
 
            (src,
 
            function (src)
 
            {
 
                var flickr_ok = !UFUI.isFromFlickr ||
 
                                src.search (/http:\/\/(www\.)?flickr\.com/) >= 0;
 
                if (!flickr_ok) UploadForm.errorMsgs.push ('wpFlickrURLError');
 
                return flickr_ok;
 
            }
 
            )
 
        )
 
      {
 
        src.onkeyup = UploadForm.resetBg;
 
        ok = false;
 
      }
 
      if (!UploadForm.verifyMandatoryField (author)) {
 
        author.onkeyup = UploadForm.resetBg;
 
        ok = false;
 
      }
 
      // Piece the description(s) together
 
      var all_descs = "";
 
      if (UploadFormFull.multi_inputs == null) {
 
        var desc = document.getElementById ('wpDesc');
 
        if (desc != null) all_descs = desc.value;
 
      } else {
 
        for (var input_idx = 0; input_idx < UploadFormFull.multi_inputs.length; input_idx++) {
 
          all_descs = all_descs + UploadFormFull.multi_inputs[input_idx].textfield.value;
 
        }
 
      }
 
      // License check
 
      var license_field = document.getElementById ('wpLicense');
 
      var license_chosen = license_field == null || license_field.selectedIndex > 0;
 
      if (!license_chosen && !UploadForm.has_license ([all_descs, other, moreInfo])) {
 
        if (!UploadForm.warning_pushed) {
 
          UploadForm.errorMsgs.push ('wpUploadWarningError');
 
          UploadForm.warning_pushed = true;
 
        }
 
        ok = false;
 
      }
 
      var target_name = document.getElementById ('wpDestFile');
 
      if (target_name != null) {
 
        // Trim leading and trailing whitespace
 
        target_name.value = target_name.value.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
 
        if (!UploadForm.verifyFileName (target_name.value)) {
 
          target_name.style.backgroundColor = UploadForm.errorColor;
 
          target_name.onkeyup =
 
            function (evt)
 
            {
 
              UploadForm.resetBg (evt);
 
              if (typeof (wgUploadWarningObj.keypress) == 'function' && !UploadForm.isReupload)
 
                wgUploadWarningObj.keypress();
 
            };
 
          ok = false;
 
        }
 
      }
 
      if (UploadForm.templates[0].desc_mandatory) {
 
        if (all_descs.search (/\S/) < 0) {
 
          if (UploadFormFull.multi_inputs == null) {
 
            var desc = document.getElementById ('wpDesc');
 
            if (desc != null) {
 
              desc.style.backgroundColor = UploadForm.errorColor;
 
              desc.onkeyup = UploadForm.resetBg;
 
            }
 
          } else {
 
            UploadFormFull.setMultiBg (UploadForm.errorColor, UploadFormFull.resetMultiBg);
 
          }
 
          UploadForm.errorMsgs.push ('wpNoDescriptionError');
 
          ok = false;
 
        }
 
      } // end description check
 
    } // end overwrite
 
    if (!ok) {
 
      UploadForm.hidePreview ();
 
      UploadForm.display_errors ();
 
    } else {
 
      // It's ok: hide our warning box
 
      var my_warning = document.getElementById ('wpUploadVerifyWarning');
 
      if (my_warning != null) my_warning.style.display = 'none';
 
    }
 
    return ok;
 
  },
 
 
  setMultiBg : function (color, handler)
 
  {
 
    if (UploadFormFull.multi_inputs == null) return;
 
    for (var i = 0; i < UploadFormFull.multi_inputs.length; i++) {
 
      var field = UploadFormFull.multi_inputs[i].textfield;
 
      field.style.backgroundColor = color;
 
      field.onkeyup              = handler;
 
    }
 
  },
 
 
  resetMultiBg : function (evt)
 
  {
 
    if (UploadForm.resetBg (evt)) {
 
      // Reset the backgrounds of all description fields
 
      UploadFormFull.setMultiBg ('#FFFFFF', null);
 
    }
 
  }
 
 
}; // end UploadFormFull
 
 
var UploadForm =
 
{
 
  isInstalled  : false, // Set to true when the onload hook runs
 
 
  debug        : false, // Can be set to true by adding "&debug=true" to the URL
 
 
 
  oldOnSubmit  : null,        // Possibly already existing onsubmit handler
 
  errorColor  : 'lightpink', // The light red from Template:Copyvio
 
  formModified : false,
 
 
  isReupload  : false,
 
 
  setup_hotcat_label : function ()
 
  {
 
    // If HotCat is present, translate its label if we can find it
 
    var hotcat_label_cell = document.getElementById ('hotcatLabel');
 
    if (hotcat_label_cell != null) {
 
      // Change its ID, just to be sure
 
      hotcat_label_cell.setAttribute ('id', 'hotcatLabelTranslated');
 
      // Assumes that the cell has only one child (which is normally the case)
 
      hotcat_label_cell.replaceChild
 
        (  UFUI.getLabel ('wpCategoriesUploadLbl')
 
        , hotcat_label_cell.firstChild);
 
    }
 
  },
 
 
 
  setup_error_display : function ()
 
  {
 
    var warning_cell = document.getElementById ('wpDestFile-warning');
 
    if (!warning_cell) return;
 
    var row      = warning_cell.parentNode;
 
    var new_cell = document.createElement ('td');
 
    new_cell.style.padding = '0';
 
    // Remove the colspan, if any, and insert a new cell to the left
 
    warning_cell.colspan = "";
 
    warning_cell.padding = '0';
 
    row.insertBefore (new_cell, warning_cell);
 
    UFUtils.convert_td_div (warning_cell);
 
  },
 
 
  set_fields_enabled : function (enabled, except)
 
  {
 
    // Enables or disables all named fields in the form, except those whose ids are
 
    // listed in except
 
    var skip    = except.join (' ');
 
    var elems  = UploadForm.the_form.elements;
 
    var changed = false;
 
    for (var i = 0; i < elems.length; i++) {
 
      var id = elems[i].id;
 
      if (!id || id.length == 0) id = elems[i].name;
 
      if (id && id.length > 0) {
 
        if (skip.indexOf (id) < 0) {
 
          if (elems[i].disabled != !enabled) {
 
            changed = true;
 
            if (elems[i].type == 'text' || elems[i].type == 'textarea') {
 
              // Set the background. Actually, I'd like to just reset it to whatever the
 
              // default was, but setting it to null doesn't do anything in IE6... We
 
              // force a light gray for disabled fields since IE6 doesn't have a real
 
              // visual "disabled" indicator for input fields.
 
              try {
 
                elems[i].style.backgroundColor = (enabled ? '#FFFFFF' : '#EEEEEE');
 
              } catch (some_error) {
 
                // Swallow
 
              }
 
            }
 
            elems[i].disabled = !enabled;
 
          }
 
        }
 
      }
 
    }
 
    if (changed) {
 
      // Clear warning messages. If we disabled fields, they're obsolete; if we enabled fields,
 
      // new warnings will be generated upon submit if necessary.
 
      var my_warning = document.getElementById ('wpUploadVerifyWarning');
 
      if (my_warning != null) my_warning.style.display = 'none';
 
    }
 
  },
 
 
  previous_hotcat_state : null,
 
 
  getPrevValue : function (stored_form, element_id)
 
  {
 
    // Return a field's previous value, if known
 
    if (  stored_form == null || stored_form.length <= 1
 
        || element_id == null || element_id.length == 0)
 
      return null;
 
    for (var i = 1; i < stored_form.length; i++) {
 
      if (stored_form[i] != null && element_id == stored_form[i].id)
 
        return stored_form[i].val;
 
    }
 
    return null;
 
  },
 
 
  license_button          : null,
 
  license_button_shown    : false,
 
  current_license_preview : '&nbsp;',
 
 
  get_license_preview : function () // Tooltip callback
 
  {
 
    var div = document.createElement ('div');
 
    div.style.display = 'none';
 
    document.body.appendChild (div);
 
    div.innerHTML = UploadForm.current_license_preview;
 
    document.body.removeChild (div);
 
    div.style.fontSize = 'smaller';
 
    div.style.display  = "";
 
    var wrapper = document.createElement ('div');
 
    wrapper.appendChild (div);
 
    return wrapper;
 
  },
 
 
  create_license_button : function ()
 
  {
 
    // Will be called only from our rewritten wgUploadLicenseObj.showPreview, i.e.
 
    // we *know* that we *do* have Tooltips and Buttons here.
 
    var previewButton =
 
      UploadForm.customFormButton
 
        (  'wpUploadFormPreviewLicenseButton' // Customization ID
 
        , 'wpUploadPreviewLicense'          // ID of button
 
        , null                              // Default text
 
        , null                              // Event handler, will be set below
 
        , 'wpPreviewLicenseUploadLbl'        // default label ID
 
          );
 
    var tooltip =
 
      new Tooltip
 
        (  previewButton
 
        , UploadForm.get_license_preview
 
        , { activate    : Tooltip.CLICK
 
            ,deactivate  : (UFHelp.help_close_imgs
 
                            ? Tooltip.CLICK_ELEM
 
                            : Tooltip.CLICK_TIP|Tooltip.CLICK_ELEM|Tooltip.LOSE_FOCUS)
 
            ,close_button : UFHelp.help_close_imgs
 
            ,mode        : Tooltip.FIXED
 
            ,anchor      : Tooltip.TOP_LEFT
 
            ,fixed_offset : {x:10, y: 5, dy: -1}
 
            ,open_delay  : 0
 
            ,hide_delay  : 0
 
          }
 
        , UFHelp.tooltip_styles
 
        );                           
 
    UploadForm.license_button = previewButton;
 
  },
 
 
  setup_license_preview : function ()
 
  {
 
    var preview_panel = document.getElementById ('mw-license-preview');
 
    UFUtils.convert_td_div (preview_panel);
 
    // Change the license previewer to not overwrite our warning message, if any.
 
    if (  typeof (wgUploadLicenseObj) != 'undefined'
 
        && typeof (wgUploadLicenseObj.showPreview) != 'undefined'
 
        && typeof (Tooltip) != 'undefined') {
 
 
      wgUploadLicenseObj.showPreview =
 
        function (preview)
 
        {
 
          var preview_panel = document.getElementById ('mw-license-preview');
 
          if (preview_panel == null) return;
 
          if (preview == UploadForm.current_license_preview) return;
 
 
          UploadForm.current_license_preview = preview;
 
          var contents = null;
 
          var new_state = false;
 
          if (!preview || preview.length == 0 || preview == '&nbsp;') {
 
            contents = document.createTextNode ('\xa0'); // a single &nbsp;
 
            new_state = false;
 
          } else {
 
            if (!UploadForm.license_button) {
 
              UploadForm.create_license_button ();
 
            }
 
            if (!UploadForm.license_button_shown)
 
              contents = UploadForm.license_button;
 
            new_state = true;
 
          }
 
          if (contents && new_state != UploadForm.license_button_shown) {
 
            if (preview_panel.firstChild)
 
              preview_panel.replaceChild (contents, preview_panel.firstChild);
 
            else
 
              preview_panel.appendChild (contents);
 
          }
 
          UploadForm.license_button_shown = new_state;
 
        }; // end function
 
    }
 
  },
 
 
  preview_tooltip : null, // Tooltip, if preview so configured
 
  do_preview      : null, // Function to call to actually generate the preview
 
 
 
  addPreviewButton : function (handler)
 
  {
 
    var request = sajax_init_object ();
 
    // If we don't have Ajax, our preview won't work anyway.
 
    if (request == null) return;
 
   
 
    var uploadButton = document.getElementsByName ('wpUpload')[0]; // Has no ID...
 
    // If we can't find the upload button, we don't know where to insert the preview button.
 
    if (uploadButton == null) return;
 
 
    try {
 
      var previewButton =
 
        UploadForm.customFormButton
 
          (  'wpUploadFormPreviewButton' // Customization ID
 
          , 'wpUploadPreview'          // ID of button
 
          , null                        // Default text
 
          , UploadForm.generatePreview  // Event handler
 
          , 'wpPreviewUploadLbl'        // default label ID
 
          );
 
      if (  UploadForm_page_preview_in_tooltip
 
          && typeof (Tooltip) != 'undefined') {
 
        UploadForm.preview_tooltip =
 
          new Tooltip (  previewButton
 
                      , UploadForm.getPreview
 
                      , {  activate    : Tooltip.NONE // We'll show it manually in generatePreview.
 
                          , deactivate  : Tooltip.CLICK_TIP
 
                          , close_button : UFHelp.help_close_imgs
 
                          , mode        : Tooltip.FIXED
 
                          , target      : uploadButton
 
                          , anchor      : Tooltip.TOP_LEFT
 
                          , fixed_offset : {x:0, y: 5, dy:-1}
 
                          , open_delay  : 0
 
                          , hide_delay  : 0
 
                        }
 
                      , UFHelp.tooltip_styles
 
                      );
 
      }
 
      UploadForm.do_preview = handler;
 
      previewButton.setAttribute ('style', 'margin-left: 0.5em;');
 
      uploadButton.parentNode.insertBefore (previewButton, uploadButton.nextSibling);
 
    } catch (ex) {
 
    }
 
  },
 
 
  getOwnWorkAuthor : function ()
 
  {
 
    if (  typeof (UploadForm_ownwork_author) == 'string'
 
        && UploadForm_ownwork_author.search (/\S/) >= 0) {
 
      // It's a non-empty string
 
      return UploadForm_ownwork_author;
 
    } else {
 
      return '\[\[User:' + wgUserName + '|' + wgUserName + '\]\]';
 
    }
 
  },
 
 
  getOwnWorkSource : function ()
 
  {
 
    var text  = UFUI.getLabel ('wpOwnWorkUploadLbl', true);
 
    var result = null;
 
    try {
 
      // Must have a text node. IE6 doesn't know Node.TEXT_NODE...
 
      while (text && text.nodeType != 3) text = text.firstChild;
 
      if (text) result = text.data.replace (/^\s+/, "").replace (/\s+$/, "");
 
    } catch (ex) {
 
      result = null;
 
    }
 
    if (!result) result = 'Own work by ' + UploadForm.getOwnWorkAuthor ();
 
    return result;
 
  },
 
 
  customFormButton : function (ui_id, id, default_text, handler, default_id)
 
  {
 
    function getButtonSpan (container, idx)
 
    {
 
      if (!container) return null;
 
      var spans = container.getElementsByTagName ('span');
 
      var span  = null;
 
      if (!spans || spans.length <= idx) {
 
        // No spans... if idx is zero, try simply to take the first text node within container.
 
        if (idx == 0) span = container;
 
      } else {
 
        span = spans[idx];
 
      }
 
      // Ok, let's see if we have some text... IE6 doesn't know Node.TEXT_NODE!
 
      while (span && span.nodeType != 3) span = span.firstChild;
 
      if (span) return span.data.replace (/^\s+/, "").replace (/\s+$/, "");
 
      return null;
 
    }
 
   
 
    function getDefault (default_text, default_id)
 
    {
 
      if (!default_text) {
 
        if (default_id) {
 
          var default_text = UFUI.getLabel (default_id, true);
 
          // Must have a text node
 
          while (default_text && default_text.nodeType != 3) // IE6 doesn't know Node.TEXT_NODE
 
            default_text = default_text.firstChild;
 
          if (default_text)
 
            default_text = default_text.data.replace (/^\s+/, "").replace (/\s+$/, "");
 
        } else
 
          default_text = 'X'; // Hmmm... a serious misconfiguration
 
      }
 
      return default_text;
 
    }
 
 
    var button = null, imgs = null;
 
    button = UFUI.getEntry (ui_id, 'uiElements', UFUI.internalLanguage);
 
    if (!button) button = UFUI.getEntry (ui_id, 'uiElements');
 
    if (button) imgs = button.getElementsByTagName ('img');
 
    if (!imgs || imgs.length == 0 || typeof (Buttons) == 'undefined') {
 
      var buttonText = null;
 
      var buttonText = getButtonSpan (button, 0);
 
      if (!buttonText) buttonText = getDefault (default_text, default_id);
 
      var alternateText = getButtonSpan (button, 1);
 
      button = document.createElement ('input');
 
      button.setAttribute ('id', id);
 
      button.setAttribute ('name', id);
 
      button.type    = 'button';
 
      button.value  = buttonText;
 
      if (alternateText) button.title  = alternateText;
 
      button.onclick = handler;
 
    } else {
 
      button = Buttons.makeButton (imgs, id, handler);
 
    }
 
    return button;
 
  },
 
 
 
  the_form : null,
 
 
  // If a needed script that is included hasn't loaded yet, we try at most install_max_attempts
 
  // times install_delay. If it then still has not loaded, we install all the same, and the
 
  // setup routine will have to deal with it. (Note that script loading is asynchronous!)
 
  install_delay        : 500, // Milliseconds
 
  install_attempts    : 0,
 
  install_max_attempts : 5,  // Five times: maximum delay 2.5s
 
 
  really_install : function (force_basic)
 
  {
 
    UploadForm.install_attempts++;
 
    if (UploadForm.install_attempts <= UploadForm.install_max_attempts &&
 
        (  typeof (LanguageHandler) == 'undefined'
 
        || typeof (UIElements) == 'undefined'
 
        || typeof (Tooltips) == 'undefined')) {
 
      // Add needed scripts in the condition above.
 
      window.setTimeout (UploadForm.really_install, UploadForm.install_delay);
 
    } else {
 
      UFUI.sanitizeUserLanguage ();
 
      var use_basic = force_basic || !!UploadForm_forcebasic || UFUI.isExperienced;
 
      if (use_basic && !force_basic) {
 
        // Only for autoconfirmed users!
 
        var is_auto = false;
 
        for (var i = 0; i < wgUserGroups.length && !is_auto; i++)
 
          is_auto = wgUserGroups[i] == 'autoconfirmed';
 
        if (!is_auto) use_basic = false;
 
      }
 
      try {
 
        UFHelp.precreate_tooltip_closer ();
 
        UploadForm.setFileExtensions ();
 
        if (  use_basic
 
            || document.URL.indexOf ('uploadformstyle=basic') >= 0
 
            || document.URL.search (/uselang\=(\w|-)*fromwikimedia/) >= 0) {
 
          // The fromwikimedia forms are special enough to warrant a special setup.
 
          UploadFormBasic.setup (!force_basic);
 
        } else {
 
          UploadFormFull.setup ();
 
        }
 
        UploadForm.setup_error_display ();
 
        UploadForm.setup_hotcat_label ();
 
        UFHelp.setupHelp (UploadForm.isReupload);
 
        if (!UploadForm.isReupload) UFFixes.fixAutocompletion ();
 
        UploadForm.setupOverwriteMsg ();
 
        // Handle the "Upload new version" links, these have &wpDestFile=... in the URL, which
 
        // defeats overwrite detection. Because someone might construct such a URL manually
 
        // *not* actually overwriting an existing file, we still do the check:
 
        if (!UploadForm.isReupload) UploadForm.check_initial_dest_file ();
 
      } catch (ex) {
 
        // Not good at all. Something went badly wrong. If we have already modified the form,
 
        // the best thing is probably to reload and make sure we don't try again:
 
        if (UploadForm.formModified) {
 
          var reload_url = document.URL;
 
          reload_url = reload_url
 
                    + ((reload_url.indexOf ('?') >= 0) ? '&' : '?')
 
                    + 'uploadformstyle=plain';
 
          window.location.href = reload_url;
 
        }
 
      }
 
    }
 
  },
 
 
  install : function ()
 
  {
 
    if (UploadForm.isInstalled) return; // Do this only once per page!
 
    UploadForm.isInstalled = true;
 
 
    if (document.URL.indexOf ('uploadformstyle=plain') >= 0) return; // We're disabled
 
 
    // Also don't do anything if we're not on an upload form.
 
    if (wgCanonicalNamespace != 'Special' || wgCanonicalSpecialPageName != 'Upload') return;       
 
    var form =    document.getElementById ('upload')
 
              || document.getElementById ('mw-upload-form');
 
    var original_desc = document.getElementById ('wpUploadDescription');
 
    if (!form || !original_desc) return; // Oops. Not good: bail out; don't do anything.
 
 
    var reupload = document.getElementById ('wpForReUpload');
 
    var destFile = document.getElementById ('wpDestFile');
 
    if (reupload)
 
      UploadForm.isReupload = !!reupload.value;
 
    else {
 
      UploadForm.isReupload = destFile && (destFile.disabled || destFile.readOnly);
 
    }
 
    if (destFile && !!destFile.disabled) {
 
      destFile.readOnly = true;
 
      destFile.disabled = false;
 
    }
 
    if (destFile && UploadForm.isReupload) {
 
      destFile.onkeyup = function (evt) {};
 
      destFile.onchange = function (evt) {};
 
    }
 
    // Use the basic form if the description was set *initially*, or if it's a re-upload
 
    var use_basic =
 
        (original_desc.defaultValue != null && original_desc.defaultValue.length > 0)
 
      || UploadForm.isReupload
 
 
    UploadForm.the_form = form;
 
    if (document.URL.indexOf ('debug=true') >= 0) UploadForm.debug = true;
 
    UploadForm.really_install (use_basic);
 
  },
 
 
  check_initial_dest_file : function ()
 
  {
 
    var dest_file = document.getElementById ('wpDestFile');
 
    if (  dest_file && dest_file.value && dest_file.value.length > 0
 
        && wgUploadWarningObj && typeof (wgUploadWarningObj.keypress) == 'function')
 
    {
 
      wgUploadWarningObj.keypress();
 
    }
 
  },
 
 
  errorMsgs      : null,
 
  warning_pushed : false,
 
 
  display_errors : function ()
 
  {
 
    // Give user feedback about what is not ok.     
 
    var my_warning = document.getElementById ('wpUploadVerifyWarning');
 
    if (my_warning == null) {
 
      var warning_box = document.getElementById ('wpDestFile-warning');
 
      if (warning_box == null) return; // We just have the field colors to indicate errors...
 
     
 
      my_warning = document.createElement ('div');
 
      my_warning.style.border = '1px #FF0000 solid';
 
      my_warning.style.backgroundColor = UploadForm.errorColor;
 
      my_warning.style.padding = '0.5em';
 
      my_warning.style.marginTop = '0.5em';
 
      my_warning.style.marginBottom = '0.5em';
 
      my_warning.setAttribute ('id', 'wpUploadVerifyWarning');
 
      my_warning.setAttribute ('width', '100%');
 
      my_warning.style.display = 'none';
 
      warning_box.parentNode.insertBefore (my_warning, warning_box.nextSibling);
 
    }
 
    // Now collect all the error messages into one div.
 
    var msgs = document.createElement ('ul');
 
    msgs.style.paddingLeft = '1.0em';
 
    msgs.style.marginLeft = '0';
 
    for (var i = 0; i < UploadForm.errorMsgs.length; i++) {
 
      var msg = UFUI.getErrorMsg (UploadForm.errorMsgs[i]);
 
      if (msg) {
 
        var li = document.createElement ('li');
 
        li.appendChild (msg);
 
        msgs.appendChild (li);
 
      }
 
    }
 
    delete UploadForm.errorMsgs;
 
    UploadForm.errorMsgs = null;
 
    // And then display the messages
 
    if (my_warning.firstChild != null)
 
      my_warning.replaceChild (msgs, my_warning.firstChild);
 
    else
 
      my_warning.appendChild (msgs);
 
    my_warning.style.display = 'block';
 
  },
 
 
  call_onsubmit : function (evt)
 
  {
 
    var do_submit = true;
 
    if (UploadForm.oldOnSubmit != null) {
 
      if (typeof UploadForm.oldOnSubmit == 'string')
 
        do_submit = eval (UploadForm.oldOnSubmit);
 
      else if (typeof UploadForm.oldOnSubmit == 'function')
 
        do_submit = UploadForm.oldOnSubmit (evt);
 
    }
 
    return do_submit;
 
  },
 
 
 
  templates: [
 
  {name          : 'information',
 
    fields        : ['Description', 'Source', 'Date', 'Author', 'Permission', 'other_versions'],
 
    extract      : [3, 1, 0],   
 
    desc_mandatory: true,
 
    regexp        : null
 
  },
 
  {name          : 'painting',
 
    fields        : ['Artist', 'Title', 'Year', 'Technique', 'Dimensions', 'Gallery',
 
                    'Location', 'Notes', 'Source', 'Permission',
 
                    'other_versions', 'Other versions'],
 
    extract      : [0, 8, 7],   
 
    desc_mandatory: false,
 
    regexp        : null
 
  },
 
  {name          : 'flickr',
 
    fields        : ['description', 'flickr_url', 'title', 'taken', 'photographer_url',
 
                    'photographer', 'photographer_location', 'reviewer', 'permission'],
 
    extract      : [new Array (5, 4), 1, 0],   
 
    desc_mandatory: true,
 
    regexp        : null
 
  }
 
  ],
 
 
  empty_template : function (name)
 
  {
 
    if (name == null) return null;
 
    var test_name = name.toLowerCase ();
 
    for (var i = 0; i < UploadForm.templates.length; i++) {
 
      if (UploadForm.templates[i].name == test_name) {
 
        var result = '\{\{' + name;
 
        for (var j = 0; j < UploadForm.templates[i].fields.length; j++) {
 
          result = result + '\n|' + UploadForm.templates[i].fields[j] + '=';
 
          if (UFUI.isOwnWork && i == 0) {
 
            // Pre-fill some fields if we're on an own-work form and it's an
 
            // information-template
 
            switch (j) {
 
              case 1: // Source-field
 
                result = result + UploadForm.clean (UploadForm.getOwnWorkSource ());
 
                break;
 
              case 2: // Date
 
                if (typeof (UploadForm_ownwork_date) == 'string'
 
                    && UploadForm_ownwork_date.search (/\S/) >= 0) {
 
                  result = result + UploadForm.clean (UploadForm_ownwork_date);
 
                }
 
                break;
 
              case 3: // Author
 
                result = result + UploadForm.clean (UploadForm.getOwnWorkAuthor ());
 
                break;
 
              default:
 
                break;
 
            } // end switch
 
          } // end if information for ownWork
 
        }
 
        return result + '\n\}\}';
 
      }
 
    }
 
    return null;
 
  },
 
 
  extract_fields : function (desc, template_idx, list)
 
  {
 
    function get (desc, field, regexp)
 
    {
 
      var match_start = new RegExp ('\\n\\s*\\| *' + field + ' *\\=');
 
      var start = desc.match (match_start);
 
      if (start == null) return null;
 
      var rest = desc.substring (start.index + start[0].length);
 
      var end = rest.search (regexp);
 
      if (end < 0) return rest;
 
      return rest.substring (0, end);
 
    }
 
 
    var result  = list;
 
    var names  = UploadForm.templates[template_idx].fields;
 
    var extract = UploadForm.templates[template_idx].extract;
 
    if (UploadForm.templates[template_idx].regexp == null) {
 
      // Build the regexp
 
      var regexp_str = '\\n\\s*(\\| *(' + names.join ('|') + ') *\\=|\\}\\})';
 
      UploadForm.templates[template_idx].regexp = new RegExp (regexp_str);
 
    }
 
    for (var i = 0; i < extract.length; i++) {
 
      var txt = null;
 
      if (extract[i].constructor == Array) {
 
        // It's an array giving alternatives...
 
        var alternatives = extract[i];
 
        for (var j = 0; j < alternatives.length; j++) {
 
          txt = get (desc, names [alternatives[j]], UploadForm.templates[template_idx].regexp);
 
          if (txt != null && txt.search (/\S/) >= 0) break; // Non-empty: don't look further
 
          txt = null;
 
        }
 
      } else {
 
        txt = get (desc, names [extract[i]], UploadForm.templates[template_idx].regexp);
 
      }
 
      if (txt != null) result[result.length] = txt; // Push one.
 
      // Don't use "if (txt)", it's false if the string is != null, but empty!
 
    }
 
    return result;
 
  },
 
 
  split_description : function (desc)
 
  {
 
    if (desc == null || desc.length == 0) return null;
 
    // Returns an array containing (in that order):
 
    // index of template, author, source, description
 
    for (var i = 0; i < UploadForm.templates.length; i++) {
 
      var regexp = new RegExp ('\\{\\{' + UploadForm.templates[i].name + '\\s*(\\||\\n)');
 
      var start = desc.toLowerCase ().search (regexp);
 
      if (start >= 0) {
 
        var result = new Array (1);
 
        result[0] = i;
 
        // Now try to extract the fields:
 
        return UploadForm.extract_fields (desc.substring (start), i, result);
 
      }
 
    }
 
    return null;
 
  },
 
 
  generatePreview : function (evt)
 
  {
 
    if (  UploadForm.preview_tooltip
 
        && UploadForm.preview_tooltip.popup.style.display != 'none'
 
        && UploadForm.preview_tooltip.popup.style.display != null) {
 
      UploadForm.preview_tooltip.hide_now (null);
 
    } else {
 
      UploadForm.do_preview (evt || window.event);
 
    }
 
  },
 
 
  outerHTML : function (node)
 
  {
 
    if (!node) return "";
 
    if (node.nodeType == 3) return node.nodeValue; // Text node
 
    if (node.outerHTML) return node.outerHTML;
 
    var div = document.createElement ('div');
 
    div.style.display    = 'none';
 
    div.style.position  = 'absolute';
 
    div.appendChild (node);
 
    document.body.appendChild (div);
 
    var txt = div.innerHTML;
 
    document.body.removeChild (div);
 
    return txt;
 
  },
 
 
  makePreview : function (description, is_overwrite)
 
  {
 
    if (is_overwrite) {
 
      UploadForm.showPreview (
 
          '\<div style="border:1px solid red; padding:0.5em;"\>'
 
        + '\<div class="previewnote"\>'
 
        + UploadForm.outerHTML (UFUI.getErrorMsg ('wpPreviewOverwriteError'))
 
        + '\<\/div\>'
 
        + '\<\/div\>'
 
      );
 
    } else {
 
      var text = '\<div style="border:1px solid red; padding:0.5em;"\>\n'
 
              + '\<div class="previewnote"\>\n'
 
              + '\{\{MediaWiki:Previewnote/' + UFUI.userLanguage +'\}\}\n'
 
              + '\<\/div>\n';
 
      var license = document.getElementById ('wpLicense');
 
      var license_text = null;
 
      if (  license != null && license.selectedIndex > 0
 
          && license.options[license.selectedIndex].value.length > 0) {
 
        license_text = '\{\{' + license.options[license.selectedIndex].value + '\}\}';
 
      }
 
      if (license_text) {
 
        text = text
 
            + '\<h2\>\{\{int:filedesc\}\}\<\/h2\>\n'
 
            + description + '\n'
 
            + '\<h2\>\{\{int:license-header\}\}\<\/h2\>\n'
 
            + license_text;
 
      } else {
 
        text = text + description + '\n';
 
      }
 
      // Add categories
 
      if (typeof (hotcat_get_state) == 'function') {
 
        var input = document.getElementById ('hotcat_text');
 
        if (input != null) hotcat_closeform ();
 
        var hotcat_categories = hotcat_get_state ();
 
        if (hotcat_categories && hotcat_categories.length > 0) {
 
          hotcat_categories = hotcat_categories.split ('\n');
 
          for (var i=0; i < hotcat_categories.length; i++) {
 
            if (hotcat_categories[i] && hotcat_categories[i].length > 0)
 
              text = text + '[[Category:' + hotcat_categories[i] + ']]';
 
          }
 
        }
 
      }
 
      text = text + '\<\/div\>';
 
 
      // Make the Ajax call
 
      var req = sajax_init_object ();
 
      if (!req) return;
 
      var button = document.getElementById ('wpUploadPreview');
 
      var page  = document.getElementById ('wpDestFile');
 
      if (page) page = page.value;
 
      if (page != null && page.length == 0) page = null;
 
      if (button && typeof (injectSpinner) == 'function')
 
        injectSpinner (button, 'wpUploadPreviewSpinner');
 
      var uri  = wgServer + wgScriptPath + '/api.php';
 
      var args = 'action=parse&pst&text=' + encodeURIComponent (text)
 
              + (page ? '&title=File:' + encodeURIComponent (page.replace (/ /g, '_')) : "")
 
              + '&prop=text|categories&format=json';
 
      // "&pst" is "Pre-save transform": tilde replacement, pipe magic for links like [[foo|foo]].
 
      // Don't use a callback directly, add the function call ourselves *after* the call, since
 
      // the API somehow resolves tildes to an IP number instead of the username if a callback
 
      // is used. C.f. https://bugzilla.wikimedia.org/show_bug.cgi?id=16616
 
      // Apparently, that's a feature, not a bug...
 
      var request_length = uri.length + args.length + 1;
 
      if (request_length > 2000) {
 
        // Long URLs are problematic for GET requests
 
        req.open ('POST', uri, true);
 
        req.setRequestHeader ('Content-Type', 'application/x-www-form-urlencoded');
 
      } else {
 
        uri += '?' + args; args = null;
 
        req.open ('GET', uri, true);
 
      }
 
      req.setRequestHeader ('Pragma', 'cache=no');
 
      req.setRequestHeader ('Cache-Control', 'no-transform');
 
      req.onreadystatechange =
 
        function ()
 
        {
 
          if (req.readyState != 4) return;
 
          if (typeof (removeSpinner) == 'function') removeSpinner ('wpUploadPreviewSpinner');
 
          if (req.status != 200) return;
 
          // Add the "callback"...
 
          if (req.responseText && req.responseText.indexOf ('{') == 0)
 
            // Primitive sanity check. If the response text does *not* start with '{', it might have been
 
            // spoofed and contain a function call... of course, this simple check cannot catch more
 
            // elaborate spoof attempts.
 
            eval ('UploadForm.jsonPreview (' + req.responseText + ')');
 
        };
 
      req.send (args);
 
    }
 
  },
 
 
  jsonPreview : function (result)
 
  {
 
    if (result && result.parse && result.parse.text && result.parse.text['*'] != null) {
 
      var txt = result.parse.text['*'];
 
      var categories = result.parse.categories;
 
      if (categories && categories.length > 0) {
 
        // Add a mock-up of a category bar. We don't care about non-existing categories, and we
 
        // can't identify hidden categories.
 
        var catbar = '<div class="catlinks"><div id="mw-normal-catlinks">'
 
                  + UploadForm.outerHTML (UFUI.getLabel ('wpCategoriesUploadLbl'));
 
        categories.sort (
 
          function (a, b) {
 
            var key_a = a['*'].toLowerCase (), key_b = b['*'].toLowerCase ();
 
            if (key_a < key_b) return -1;
 
            if (key_a > key_b) return 1;
 
            return 0;
 
          }
 
        );
 
        for (var i = 0; i < categories.length; i++) {
 
          var catname = categories[i]['*'];
 
          if (catname && catname.length > 0) {
 
            if (i > 0) catbar += ' |';
 
            catbar += ' <a href="/wiki/Category:' + encodeURI (catname) + '">'
 
                      + catname.replace(/_/g, ' ') + '</a>';
 
          }
 
        }
 
        catbar += '</div></div>';
 
        // Now insert it into text.
 
        var end = txt.lastIndexOf ('</div>');
 
        txt = txt.substring (0, end) + catbar + '</div>';
 
      }
 
      UploadForm.showPreview (txt);
 
    }
 
  },
 
 
  showPreview : function (result)
 
  {
 
    if (UploadForm.preview_tooltip) {
 
      UploadForm.preview_content = result;
 
      UploadForm.preview_tooltip.show_tip (null, false);
 
    } else {
 
      var preview = document.getElementById ('wpUploadPreviewDisplay');
 
      if (preview == null) {
 
        var before = document.getElementById ('mw-upload-permitted');
 
        if (!before || UFUtils.isChildOf (before, UploadForm.the_form))
 
          before = UploadForm.the_form;
 
        if (!before) return; // Don't know where to insert preview display. Error message here?
 
        preview = document.createElement ('div');
 
        preview.setAttribute ('id', 'wpUploadPreviewDisplay');
 
        before.parentNode.insertBefore (preview, before);
 
      }
 
      try {
 
        preview.innerHTML = result;
 
      } catch (ex) {
 
        preview.innerHTML = ""; // Error message here instead?
 
      }
 
      preview.style.display = ""; // Show it
 
    }
 
  },
 
 
  hidePreview : function ()
 
  {
 
    if (UploadForm.preview_tooltip)
 
      UploadForm.preview_tooltip.hide_now (null);
 
    else {
 
      var preview = document.getElementById ('wpUploadPreviewDisplay');
 
      if (preview) preview.style.display = 'none';
 
    }
 
  },
 
 
  getPreview : function () // Callback for the tooltip
 
  {
 
    var div = document.createElement ('div');
 
    div.style.display = 'none';
 
    document.body.appendChild (div);
 
    div.innerHTML = UploadForm.preview_content;
 
    document.body.removeChild (div);
 
    div.style.fontSize = 'smaller';
 
    div.style.display = "";
 
    var wrapper = document.createElement ('div');
 
    wrapper.appendChild (div);
 
    return wrapper;
 
  },
 
 
  licenses_regexp    :
 
    /\{\{(self|pd|gfdl|cc|l?gpl|fal|cecill|attribution|copyrighted free use|SOlicence|geograph|UN map|BArch-License)/i,
 
  user_license_regexp :
 
    new RegExp (  '\\{\\{[Ss]ubst:[Uu]ser:'
 
                + (wgUserName || "null").replace(/([\\\^\$\.\?\*\+\(\)\[\]\|\{\}])/g, "\\$1")
 
                + '/'),
 
 
  has_license : function (fields)
 
  {
 
    if (fields == null || fields.length == 0) return false;
 
    for (var i = 0; i < fields.length; i++) {
 
      if (fields[i] != null) {
 
        if (typeof (fields[i]) == 'string') {
 
          if (fields[i].search (UploadForm.licenses_regexp) >= 0) return true;
 
        } else {
 
          if (fields[i].value.search (UploadForm.licenses_regexp) >= 0) return true;
 
        }
 
      }
 
    }
 
    for (var j = 0; j < fields.length; j++) {
 
      if (fields[j] != null) {
 
        if (typeof (fields[j]) == 'string') {
 
          if (fields[j].search (UploadForm.user_license_regexp) >= 0) return true;
 
        } else {
 
          if (fields[j].value.search (UploadForm.user_license_regexp) >= 0) return true;
 
        }
 
      }
 
    }
 
    return false;
 
  },
 
 
  addAfterField : function (elem_id, element)
 
  {
 
    if (!element) return;
 
    var elem = document.getElementById (elem_id);
 
    if (!elem) return;
 
    // Find enclosing table cell.
 
    while (elem && elem.nodeName.toLowerCase () != 'td') elem = elem.parentNode;
 
    if (!elem) return;
 
    var container = document.createElement ('div');
 
    container.style.fontSize = 'smaller';
 
    container.appendChild (element);
 
    elem.appendChild (container);
 
  },
 
 
  old_overwrite_warning : null,
 
 
  setupOverwriteMsg : function ()
 
  {
 
    if (  typeof (wgUploadWarningObj) == 'undefined'
 
        || typeof (wgUploadWarningObj.setWarning) == 'undefined')
 
      return;
 
    var msg = document.createElement ('div');
 
    msg.id = 'wpUploadFormScriptOverwriteWarning';
 
    msg.style.display = 'none';
 
    msg.style.color = 'red';
 
    msg.appendChild (UFUI.getErrorMsg ('wpPreviewOverwriteError'));
 
    UploadForm.addAfterField ('wpDestFile', msg);
 
    UploadForm.old_overwrite_warning = wgUploadWarningObj.setWarning;   
 
    wgUploadWarningObj.setWarning = UploadForm.overwriteMsg;
 
  },
 
 
  overwriteMsg : function (warning)
 
  {
 
    if (!UploadForm.old_overwrite_warning || UploadForm.isReupload) return;
 
    // Make sure that 'this' is set to 'wgUploadWarningObj' in the call below!
 
    UploadForm.old_overwrite_warning.apply (wgUploadWarningObj, [warning]);
 
    var is_overwrite = UploadForm.isOverwrite ();
 
    var my_overwrite_warning = document.getElementById ('wpUploadFormScriptOverwriteWarning');
 
    if (my_overwrite_warning) {
 
      my_overwrite_warning.style.display = (is_overwrite ? "" : 'none');
 
    }
 
    UploadForm.set_fields_enabled
 
      (!is_overwrite
 
      , [  'wpUploadFile', 'wpDestFile', 'wpUploadDescription', 'wpAdditionalInfo'
 
          , 'wpLicense', 'wpWatchthis', 'wpIgnoreWarning', 'wpUpload']
 
      );
 
  },
 
 
  isOverwrite : function ()
 
  {
 
    if (document.getElementById ('wpUploadWarningFileexists') != null) return true;
 
    var destfile_warning = document.getElementById ('wpDestFile-warning');
 
    if (destfile_warning == null) return false;
 
    var dest_file = document.getElementById ('wpDestFile');
 
    if (dest_file == null || dest_file.value == null || dest_file.value.length == 0) return false;
 
    var lks = destfile_warning.getElementsByTagName ('a');
 
    if (lks == null || lks.length == 0) return false;
 
 
    var fn1 =
 
      dest_file.value.replace(/^\s\s*/, '').replace(/\s\s*$/, '').replace(/ /g, '_');
 
    fn1    = fn1.substr (0, 1).toUpperCase () + fn1.substring (1);
 
    var fn0 = 'Image:' + fn1;
 
    fn1    = 'File:' + fn1;
 
    // Trimmed, blanks replaced by underscores, first character capitalized
 
 
    for (var i = 0; i < lks.length; i++) {
 
      var href = lks[i].getAttribute ('href', 2);
 
      if (href.indexOf (wgScript) == 0 || href.indexOf (wgServer + wgScript) == 0) {
 
        var m = /[&?]title=([^&]*)/.exec (href);
 
        if (m && m.length > 1) href = m[1]; else href = null;
 
      } else {
 
        var prefix = wgArticlePath.replace ('$1', "");
 
        if (href.indexOf (prefix) != 0) prefix = wgServer + prefix; // Fully expanded URL?
 
        if (href.indexOf (prefix) == 0) href = href.substring (prefix.length); else href = null;
 
      }
 
      if (!href) continue;
 
      href = decodeURIComponent (href).replace (/ /g, '_');
 
      if (href == fn0 || href == fn1) return true;
 
    }
 
    return false;
 
  },
 
 
  allowedFileTypes : null,
 
  forbiddenFileTypes : null,
 
       
 
  badFileNames : /^(test|image|img|bild|example|(dsc|img)?(\s|_|-)*|\d{10}(\s|_|-)[0123456789abcdef]{10}(\s|_|-)[a-z])$/i,
 
  // Filenames that have only components (separated by periods) that fully match this regexp
 
  // are considered illegal. The second-but-last one catches DSC01234, or DSC_01234, or
 
  // DSC_012_34 or also filenames conatining only digits and non-alphanumeric characters.
 
  // The last catches Flickr's raw filenames. How to relax that last expression without catching
 
  // too many legit file names?
 
  // Matching is case-insensitive.
 
 
  extractFileExtensions : function (div, list)
 
  {
 
    var list = null;
 
    // Get a mw-upload-permitted or mw-upload-prohibited div, extracts all extensions listed
 
    var txt = div;
 
    while (txt && txt.nodeType != 3) txt = txt.lastChild;
 
    if (!txt) return null;
 
    // Try to figure out which comma to use (localizeable through MediaWiki:Comma-separator!)
 
    if (txt.data.indexOf (',') >= 0) // Standard
 
      txt = txt.data.split (',');
 
    else if (txt.data.indexOf ('،') >= 0) // Arabic etc.
 
      txt = txt.data.split ('،');
 
    else if (txt.data.indexOf ('、') >= 0) // Chinese
 
      txt = txt.data.split ('、');
 
    else
 
      return null;
 
    if (!txt || txt.length == 0) return null;
 
    for (var i = 0; i < txt.length; i++) {
 
      var match = /(\w+)\W*$/.exec (txt[i]);
 
      if (match) {
 
        match = match[1].toLowerCase (); // The extension
 
        if (list == null) list = {};
 
        list[match] = true;
 
      }
 
    }
 
    return list;
 
  },
 
 
  setFileExtensions : function ()
 
  {
 
    if (typeof (wgFileExtensions) != 'undefined' && wgFileExtensions.length) { // New as of 2009-09-17
 
      UploadForm.allowedFileTypes = {};
 
      for (var i = 0; i < wgFileExtensions.length; i++) {
 
        UploadForm.allowedFileTypes[wgFileExtensions[i]] = true;
 
      }
 
      UploadForm.forbiddenFileTypes = null;
 
      return;
 
    }
 
 
    UploadForm.allowedFileTypes =
 
      UploadForm.extractFileExtensions (document.getElementById ('mw-upload-permitted'));
 
    UploadForm.forbiddenFileTypes =
 
      UploadForm.extractFileExtensions (document.getElementById ('mw-upload-prohibited'));
 
    if (UploadForm.allowedFileTypes != null) {
 
      // Alternate OGG extensions
 
      if (UploadForm.allowedFileTypes.ogg) {
 
        if (UploadForm.forbiddenFileTypes == null || !UploadForm.forbiddenFileTypes.ogv)
 
          UploadForm.allowedFileTypes.ogv = true;
 
        if (UploadForm.forbiddenFileTypes == null || !UploadForm.forbiddenFileTypes.oga)
 
          UploadForm.allowedFileTypes.oga = true;
 
        if (UploadForm.forbiddenFileTypes == null || !UploadForm.forbiddenFileTypes.ogx)
 
          UploadForm.allowedFileTypes.ogx = true;
 
      }
 
      // OpenDoc extensions (are these needed?)
 
      if (UploadForm.forbiddenFileTypes == null || !UploadForm.forbiddenFileTypes.sxi)
 
        UploadForm.allowedFileTypes.sxi = true;
 
      if (UploadForm.forbiddenFileTypes == null || !UploadForm.forbiddenFileTypes.sxc)
 
        UploadForm.allowedFileTypes.sxc = true;
 
      if (UploadForm.forbiddenFileTypes == null || !UploadForm.forbiddenFileTypes.sxd)
 
        UploadForm.allowedFileTypes.sxd = true;
 
      if (UploadForm.forbiddenFileTypes == null || !UploadForm.forbiddenFileTypes.sxw)
 
        UploadForm.allowedFileTypes.sxw = true;
 
      // PDF (allowed, but may be hidden in the interface)
 
      if (UploadForm.forbiddenFileTypes == null || !UploadForm.forbiddenFileTypes.pdf)
 
        UploadForm.allowedFileTypes.pdf = true;
 
    }
 
  },
 
 
  checkFileExtension : function (ext, presence_only)
 
  {
 
    if (presence_only)
 
      return  (UploadForm.allowedFileTypes != null && UploadForm.allowedFileTypes[ext] == true)
 
            || (UploadForm.forbiddenFileTypes != null && UploadForm.forbiddenFileTypes[ext] == true);
 
    return    (UploadForm.allowedFileTypes == null || UploadForm.allowedFileTypes[ext] == true)
 
          && (UploadForm.forbiddenFileTypes == null || !(UploadForm.forbiddenFileTypes[ext] == true));
 
  },
 
 
  verifyFileName : function (filename)
 
  {
 
    if (filename == null || filename.length == 0) {
 
      UploadForm.errorMsgs.push ('wpNoFilenameError');
 
      return false;
 
    }
 
    if (filename.search (/(https?|file|ftp):\/\//i) >= 0) {
 
      UploadForm.errorMsgs.push ('wpHttpFilenameError');
 
      return false;
 
    }
 
    var ok = true;
 
 
    // Don't allow slashes
 
    if (filename.indexOf ('/') >= 0) {
 
      UploadForm.errorMsgs.push ('wpNoSlashError');
 
      ok = false;
 
    }
 
    // Check for double extensions
 
    var fn = filename.split ('.');
 
    if (fn.length < 2 || fn[fn.length-1].length == 0) {
 
      UploadForm.errorMsgs.push ('wpNoExtensionError');
 
      ok = false;
 
    }
 
    // Check extension
 
    var nof_extensions = 0;
 
    if (fn.length >= 2) {
 
      nof_extensions++;
 
      if (UploadForm.checkFileExtension (fn[fn.length-1].toLowerCase ())) {
 
        // It's ok, check for double extension
 
        if (fn.length > 2) {
 
          if (UploadForm.checkFileExtension (fn[fn.length-2].toLowerCase (), true)) {
 
            nof_extensions++;
 
            UploadForm.errorMsgs.push ('wpDoubleExtensionError');
 
            ok = false;
 
          }
 
        }
 
      } else {
 
        UploadForm.errorMsgs.push ('wpIllegalExtensionError');
 
        ok = false;
 
      }
 
    }
 
    // Check for allowed file name
 
    var one_ok = false;
 
    for (var i = 0; i < fn.length - nof_extensions && !one_ok; i++) {
 
      if (fn[i].length > 0 && fn[i].search (UploadForm.badFileNames) < 0) one_ok = true;
 
    }
 
    if (!one_ok) {
 
      UploadForm.errorMsgs.push ('wpNondescriptFilenameError');
 
      ok = false;
 
    }
 
    return ok;
 
  },
 
 
  cleaner : null,
 
 
  clean : function (input)
 
  {
 
    if (UploadForm.cleaner == null) {
 
      // Because of asynchronous script loading, we need to check whether the TextCleaner is
 
      // already defined. If not, just return the input.
 
      if (  typeof (TextCleaner) != 'undefined'
 
          && typeof (TextCleaner.sanitizeWikiText) == 'function')
 
      {
 
        UploadForm.cleaner = TextCleaner.sanitizeWikiText;
 
      }
 
    }
 
    if (UploadForm.cleaner && input && typeof (input) == 'string')
 
      return UploadForm.cleaner (input, true);
 
    else
 
      return input; 
 
  },
 
 
  resetBg : function (evt)
 
  {
 
    var e = evt || window.event; // W3C, IE
 
    return UploadForm.verifyMandatoryField (e.target || e.srcElement);
 
  },
 
 
  verifyMandatoryField: function (node, handler)
 
  {
 
    if (!node) return true;
 
    try {
 
      if (  !node.value
 
          || node.value.search (/\S/) < 0
 
          || handler && typeof (handler) == 'function' && handler.length == 1
 
            && !handler (node.value))
 
      {
 
        // No value set, or a handler was given and it is a function taking one parameter, and
 
        // it returned false
 
        var is_error = node.id != 'wpPermission';
 
        if (!is_error) {
 
          var license_field = document.getElementById ('wpLicense');
 
          // Careful here. The fromwikimedia forms appear not to have a license selector!
 
          is_error = license_field == null || license_field.selectedIndex == 0
 
        }
 
        if (is_error) {
 
          node.style.backgroundColor = UploadForm.errorColor;
 
          if (!UploadForm.warning_pushed) {
 
            if (UploadForm.errorMsgs != null)
 
              UploadForm.errorMsgs.push ('wpUploadWarningError');
 
            UploadForm.warning_pushed = true;
 
          }
 
          return false;
 
        }
 
      }
 
    } catch (ex) {
 
      // Swallow the exception 
 
    }
 
    try {
 
      node.style.backgroundColor = '#FFFFFF';
 
    } catch (some_error) {
 
      // Swallow.
 
    }
 
    return true;
 
  },
 
 
  fixCategoryTransclusion : function (str)
 
  {
 
    return str.replace (/(\{\{)\s*(:?\s*[Cc]ategory\s*:[^|}]*(\|[^}]*)?)(\}\})/g, "[[$2]]");
 
  }
 
 
}; // end UploadForm
 
 
var UFFixes =
 
{
 
  fixAutocompletion : function ()
 
  {
 
    // Do the overwrite check also for selections from the browser's "previous entry list"
 
    var dest_file = document.getElementById ('wpDestFile');
 
    if (dest_file && dest_file.onkeyup) {
 
      // For some reason, onchange doesn't fire upon autocompletion in FF and IE6. Don't use
 
      // onblur (recommended as a workaround on some Internet sites), it cancels button clicks
 
      // that cause the focus change. Unfortunately, FF also doesn't fire the DOMAttrModified
 
      // event upon autocompletion. Thus we're stuck for FF. At least the FF people are about
 
      // to correct this bug (https://bugzilla.mozilla.org/show_bug.cgi?id=388558). On IE,
 
      // there is a workaround.
 
      if (window.ActiveXObject) { // We're on IE...
 
        // See http://msdn2.microsoft.com/en-us/library/ms533032.aspx and
 
        // http://msdn2.microsoft.com/en-us/library/ms536956.aspx
 
        if (!dest_file.onpropertychange) {
 
          previous_onkeyup_handler  = dest_file.onkeyup;
 
          previous_onchange_handler = dest_file.onchange;
 
          addEvent (dest_file, 'propertychange',
 
            function (evt)
 
            {
 
              var e = evt || window.event;
 
              if (e && e.propertyName && e.propertyName == 'value') {
 
                if (typeof (previous_onkeyup_handler) == 'string')
 
                  eval (previous_onkeyup_handler);
 
                else if (typeof (previous_onkeyup_handler) == 'function')
 
                  previous_onkeyup_handler (e);
 
                if (typeof (previous_onchange_handler) == 'string')
 
                  eval (previous_onchange_handler);
 
                else if (typeof (previous_onchange_handler) == 'function')
 
                  previous_onchange_handler (e);
 
              }
 
            });
 
          dest_file.onkeyup  = null; // Otherwise, both may fire...
 
          dest_file.onchange = null;
 
        }
 
      } else {
 
        addEvent (dest_file, 'change', dest_file.onkeyup);
 
      }
 
    }
 
  }
 
 
}; // end UFFixes
 
 
} // end if (guard against double inclusions)
 
 
 
// Do *not* use addOnloadHook!!! Functions added through addOnloadHook are actually executed
 
// *before* the onload event occurs through an inline script at the bottom of each page served
 
// by the WikiMedia servers. Normally, that is fine and dandy and speeds up page creation since
 
// the hooks may run before all elements (such as images) of the page have completely loaded.
 
// But it breaks our form restoration mechanism on IE. wpDestFile.value is set on IE6 only at
 
// the time when the onload event fires. If this script runs before, wpDestFile.value is always
 
// empty on IE. Since the upload form does not contain many images, it won't make a difference
 
// for the user if we use hookEvent and thus run a tiny little bit later. It also has the nice
 
// side effect that we can run even if one of the other functions registered through
 
// addOnloadHook raises an exception.
 
 
hookEvent ('load', UploadForm.install);
 
 
// </source>
 

Revision as of 03:16, 30 May 2010

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