User:Fruri/monobook.js

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-importScript('User:TheDJ/Gadget-HotCat.js');+//<source lang="javascript">
 +
 +var hotcat_loaded = false; // Guard against double inclusions
 +var hotcat_running = 0 ;
 +var hotcat_last_v = "" ;
 +var hotcat_exists_yes = "http://upload.wikimedia.org/wikipedia/commons/thumb/b/be/P_yes.svg/20px-P_yes.svg.png" ;
 +var hotcat_exists_no = "http://upload.wikimedia.org/wikipedia/commons/thumb/4/42/P_no.svg/20px-P_no.svg.png" ;
 +var hotcat_upload = 0 ;
 +var hotcat_no_autocommit = 0;
 +var hotcat_old_onsubmit = null;
 +var hotcat_nosuggestions = false;
 +// hotcat_nosuggestions is set to true if we don't have XMLHttp! (On IE6, XMLHttp uses
 +// ActiveX, and the user may deny execution.) If true, no suggestions will ever be
 +// displayed, and there won't be any checking whether the category exists.
 +// Lupo, 2008-01-20
 +
 +var hotcat_modify_blacklist = new Array (
 +"CC-" ,
 +"GFDL" ,
 +"PD"
 +) ;
 +
 +function hotcat_remove_upload ( text ) {
 + var cats = document.getElementById ( "catlinks" ) ;
 + cats = cats.getElementsByTagName ( "span" ) ;
 + for ( var i = 0 ; i < cats.length ; i++ ) {
 + if (cats[i].hotcat_name && cats[i].hotcat_name == text) {
 + cats[i].parentNode.removeChild ( cats[i].nextSibling ) ;
 + cats[i].parentNode.removeChild ( cats[i] ) ;
 + break ;
 + }
 + }
 +}
 +
 +function hotcat_check_upload () {
 + // Don't do anything if not "Special:Upload", or user not logged in.
 + if ( wgNamespaceNumber != -1 || wgTitle != "Upload" || wgUserName == null) return ;
 + var ip = document.getElementById ( "wpWatchthis" ) ;
 + // Go to Special:Upload, choose a local file, enter a target file name without extension,
 + // then submit: you get a page that is "Special:Upload", but that doesn't have any form!
 + if (ip == null) return;
 + hotcat_upload = 1 ;
 + var tr = ip.parentNode.parentNode ;
 + var ntr = document.createElement ( "tr" ) ;
 + var ntd = document.createElement ( "td" ) ;
 + var ntde = document.createElement ( "td" ) ;
 + var catline = document.createElement ( "div" ) ;
 + var np = document.createElement ( "p" ) ;
 +
 + ntde.setAttribute ('id', 'hotcatLabel');
 + var label = null;
 + if (typeof (UFUI) != 'undefined' &&
 + typeof (UFUI.getLabel) == 'function') {
 + try {
 + label = UFUI.getLabel ('wpCategoriesUploadLbl');
 + } catch (ex) {
 + label = null;
 + }
 + }
 + if (label == null)
 + ntde.appendChild (document.createTextNode ("Categories:"));
 + else {
 + ntde.setAttribute ('id', 'hotcatLabelTranslated');
 + // Change the ID to avoid that UploadForm tries to translate it again.
 + ntde.appendChild (label);
 + }
 + ntde.style.textAlign = "right" ;
 + ntde.style.verticalAlign = "middle" ;
 + catline.id = "catlinks" ;
 + // On the upload form, the suggestion box appears at the very top of the page. That is because
 + // the innermost enclosing div of the upload form (and its table) that has position "relative"
 + // is the bodyContent div. Try to fix that by giving catline relative positioning, so absolute
 + // positioning within should be relative to catline. Lupo, 2008-01-18
 + catline.style.position ="relative";
 + catline.style.textAlign = "left";
 + // Otherwise, it looks bad in the Classic skin on the upload form. Lupo, 2008-05-16
 + np.className = "catlinks" ;
 + np.style.textAlign = "left";
 + catline.appendChild ( np ) ;
 + ntd.appendChild ( catline ) ;
 + ntde.className = 'mw-label';
 + ntr.appendChild ( ntde ) ;
 + ntr.appendChild ( ntd ) ;
 +
 + // Add handler for submit (changed by Lupo, 2008-01-18)
 + var form = document.getElementById ('upload');
 + // Grrr... they changed the upload form!
 + // http://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/includes/SpecialUpload.php?r1=32033&r2=32190
 + if (!form) form = document.getElementById ('mw-upload-form');
 + if (form) {
 + hotcat_old_onsubmit = form.onsubmit;
 + form.onsubmit = hotcat_on_upload;
 + tr.parentNode.insertBefore ( ntr , tr ) ; // Insert *above* "Watch this" box
 + }
 +}
 +
 +function hotcat_on_upload () {
 + // First, make sure that if we have an open category input form, we close it.
 + var input = document.getElementById ('hotcat_text');
 + if (input != null) hotcat_ok ();
 +
 + var do_submit = true;
 + // Call previous onsubmit handler, if any
 + if (hotcat_old_onsubmit) {
 + if (typeof hotcat_old_onsubmit == 'string')
 + do_submit = eval (hotcat_old_onsubmit);
 + else if (typeof hotcat_old_onsubmit == 'function')
 + do_submit = hotcat_old_onsubmit ();
 + }
 + if (!do_submit) return false;
 + // Only copy the categories if we do submit
 + var cats = document.getElementById ( "catlinks" ) ;
 + cats = cats.getElementsByTagName ( "span" ) ;
 + var eb = document.getElementById ( "wpUploadDescription" )
 + || document.getElementById ( "wpDesc" ); // New upload form
 + for ( var i = 0 ; i < cats.length ; i++ ) {
 + var t = cats[i].hotcat_name;
 + if (!t) continue ;
 + var new_cat = "\[\[Category:" + t + "\]\]" ;
 + // Only add if not already present
 + if (eb.value.indexOf (new_cat) < 0) eb.value += "\n" + new_cat ;
 + }
 + return true;
 +}
 +
 +function hotcat () {
 + JSconfig.registerKey('HotCatDelay', 100, 'HotCat autocompletion delay (ms):', 5);
 +
 + if ( hotcat_check_action() ) return ; // Edited page, reloading anyway
 + if (hotcat_loaded) return; // Guard against double inclusions
 + hotcat_loaded = true;
 + hotcat_check_upload () ;
 +
 + function can_edit ()
 + {
 + var container = null;
 + switch (skin) {
 + case 'cologneblue':
 + container = document.getElementById ('quickbar');
 + // Fall through
 + case 'standard':
 + case 'nostalgia':
 + if (!container) container = document.getElementById ('topbar');
 + var lks = container.getElementsByTagName ('a');
 + for (var i = 0; i < lks.length; i++) {
 + if ( hotcatGetParamValue ('title', lks[i].href) == wgPageName
 + && hotcatGetParamValue ('action', lks[i].href) == 'edit')
 + return true;
 + }
 + return false;
 + default:
 + // all modern skins:
 + return document.getElementById ('ca-edit') != null;
 + }
 + return false;
 + }
 +
 + if( (!can_edit () && !hotcat_upload) // User has no permission to edit
 + || wgAction != 'view' // User is editing or previewing or...
 + || wgNamespaceNumber == -1 && !hotcat_upload) // Special page other than Special:Upload
 + return;
 +
 + if (!wgIsArticle && !hotcat_upload) return; // Diff pages...
 + // Note that wgIsArticle is also set to true for category, talk, user, etc. pages: anything that
 + // can be edited. It is false for diff pages, special pages, and ...
 +
 + var visible_cats =
 + document.getElementById ('mw-normal-catlinks') || // MW 1.13alpha
 + getElementsByClassName ( document , "p" , "catlinks" ) [0]; // MW < 1.13 && Special:Upload
 + var hidden_cats =
 + document.getElementById ('mw-hidden-catlinks');
 + if (visible_cats == null) {
 + // Insert an empty category line
 + var footer = null;
 + if (hidden_cats == null) {
 + footer = getElementsByClassName (document , "div" , "printfooter")[0];
 + if (!footer) return; // Don't know where to insert the category line
 + }
 + visible_cats = document.createElement ('div');
 + visible_cats.setAttribute ('id', 'mw-normal-catlinks');
 + var label = document.createElement ('a');
 + label.setAttribute ('href', wgArticlePath.replace (/\$1/, 'Special:Categories'));
 + label.setAttribute ('title', 'Special:Categories');
 + label.appendChild (document.createTextNode ('Category'));
 + visible_cats.appendChild (label);
 + visible_cats.appendChild (document.createTextNode (':'));
 + if (hidden_cats == null) {
 + var container = document.createElement ('div');
 + container.setAttribute ('id', 'catlinks');
 + container.className = 'catlinks';
 + container.appendChild (visible_cats);
 + footer.parentNode.insertBefore (container, footer.nextSibling);
 + } else {
 + hidden_cats.parentNode.insertBefore (visible_cats, hidden_cats);
 + hidden_cats.parentNode.className = 'catlinks';
 + hidden_cats.parentNode.style.display = ""; // For good measure, in case this changes again
 + }
 + } // end if no categories
 +
 + visible_cats.style.position = 'relative';
 + hotcat_modify_existing ( visible_cats ) ;
 + hotcat_append_add_span ( visible_cats ) ;
 +
 + // Check for state restoration (Lupo, 2008-02-06)
 + if ( hotcat_upload
 + && typeof (UploadForm) != 'undefined'
 + && typeof (UploadForm.previous_hotcat_state) != 'undefined'
 + && UploadForm.previous_hotcat_state != null)
 + UploadForm.previous_hotcat_state = hotcat_set_state (UploadForm.previous_hotcat_state);
 +}
 +
 +function hotcat_append_add_span ( catline ) {
 + var span_add = document.createElement ( "span" ) ;
 + if ( catline.getElementsByTagName('span')[0] )
 + catline.appendChild (document.createTextNode (" | "));
 + else if (catline.firstChild)
 + catline.appendChild (document.createTextNode (' '));
 + catline.appendChild ( span_add );
 + hotcat_create_span ( span_add );
 +}
 +
 +String.prototype.ucFirst = function () {
 + return this.substr(0,1).toUpperCase() + this.substr(1,this.length);
 +}
 +
 +function hotcat_is_on_blacklist ( cat_title ) {
 + if ( !cat_title ) return 0 ;
 + // cat_title = cat_title.split(":",2).pop() ; // Not needed anymore: we work without 'Category:'
 + for ( var i = 0 ; i < hotcat_modify_blacklist.length ; i++ ) {
 + if ( cat_title.substr ( 0 , hotcat_modify_blacklist[i].length ) == hotcat_modify_blacklist[i] ) return 1 ;
 + }
 + return 0 ;
 +}
 +
 +function hotcat_modify_span ( span , i ) {
 + //var cat_title = span.firstChild.getAttribute ( "title" ) ;
 + // This fails with MW 1.13alpha if the category is a redlink, because MW 1.13alpha appends
 + // [[MediaWiki:Red-link-title]] to the category name... it also fails if the category name
 + // contains "&" (because that is represented by &amp; in the XHTML both in the title and in
 + // the link's content (innerHTML). Extract the category name from the href instead:
 + var cat_title = null;
 + var classes = span.firstChild.getAttribute ('class');
 + if (classes && classes.search (/\bnew\b/) >= 0) { // href="/w/index.php?title=...&action=edit"
 + cat_title = hotcatGetParamValue ('title', span.firstChild.href);
 + } else { // href="/wiki/..."
 + var re = new RegExp (wgArticlePath.replace (/\$1/, '(.*)'));
 + var matches = re.exec (span.firstChild.href);
 + if (matches && matches.length > 1)
 + cat_title = decodeURIComponent (matches[1]);
 + else
 + return;
 + }
 + // Strip namespace, replace _ by blank
 + cat_title = cat_title.substring (cat_title.indexOf (':') + 1).replace (/_/g, ' ');
 +
 + var sep1 = document.createTextNode ( " " ) ;
 + var a1 = document.createTextNode ( "(-)" ) ;
 + var remove_link = document.createElement ( "a" ) ;
 + // Set the href to a dummy value to make sure we don't move if somehow the onclick handler
 + // is bypassed.
 + remove_link.href = "#catlinks";
 + remove_link.onclick = hotcat_remove;
 + remove_link.appendChild ( a1 ) ;
 + span.appendChild ( sep1 ) ;
 + span.appendChild ( remove_link ) ;
 +
 + if ( hotcat_is_on_blacklist ( cat_title ) ) return ;
 + var mod_id = "hotcat_modify_" + i ;
 + var sep2 = document.createTextNode ( " " ) ;
 + var a2 = document.createTextNode ( "(±)" ) ;
 + var modify_link = document.createElement ( "a" ) ;
 + modify_link.id = mod_id ;
 + modify_link.href = "javascript:hotcat_modify(\"" + mod_id + "\");" ;
 + modify_link.appendChild ( a2 ) ;
 + span.appendChild ( sep2 ) ;
 + span.appendChild ( modify_link ) ;
 + span.hotcat_name = cat_title; //Store the extracted category name in our own new property of the span DOM node
 +}
 +
 +function hotcat_modify_existing ( catline ) {
 + var spans = catline.getElementsByTagName ( "span" ) ;
 + for ( var i = 0 ; i < spans.length ; i++ ) {
 + hotcat_modify_span ( spans[i] , i ) ;
 + }
 +}
 +
 +function hotcat_getEvt (evt) {
 + return evt || window.event || window.Event; // Gecko, IE, Netscape
 +}
 +
 +function hotcat_evt2node (evt) {
 + var node = null;
 + try {
 + var e = hotcat_getEvt (evt);
 + node = e.target;
 + if (!node) node = e.srcElement;
 + } catch (ex) {
 + node = null;
 + }
 + return node;
 +}
 +
 +function hotcat_evtkeys (evt) {
 + var code = 0;
 + try {
 + var e = hotcat_getEvt (evt);
 + if (typeof(e.ctrlKey) != 'undefined') { // All modern browsers
 + if (e.ctrlKey) code |= 1;
 + if (e.shiftKey) code |= 2;
 + } else if (typeof (e.modifiers) != 'undefined') { // Netscape...
 + if (e.modifiers & Event.CONTROL_MASK) code |= 1;
 + if (e.modifiers & Event.SHIFT_MASK) code |= 2;
 + }
 + } catch (ex) {
 + }
 + return code;
 +}
 +
 +function hotcat_killEvt (evt)
 +{
 + try {
 + var e = hotcat_getEvt (evt);
 + if (typeof (e.preventDefault) != 'undefined') {
 + e.preventDefault ();
 + e.stopPropagation ();
 + } else
 + e.cancelBubble = true;
 + } catch (ex) {
 + }
 +}
 +
 +function hotcat_remove (evt) {
 + var node = hotcat_evt2node (evt);
 + if (!node) return false;
 + // Get the category name from the original link to the category, which is at
 + // node.parentNode.firstChild (the DOM structure here is
 + // <span><a...>Category</a> <a...>(-)</a>...</span>).
 + var cat_title = node.parentNode.hotcat_name;
 + if ( hotcat_upload ) {
 + hotcat_remove_upload ( cat_title ) ;
 + hotcat_killEvt (evt);
 + return false;
 + }
 + var editlk = wgServer + wgScript + '?title=' + encodeURIComponent (wgPageName)
 + + '&action=edit';
 + if (hotcat_evtkeys (evt) & 1) // CTRL pressed?
 + editlk = editlk + '&hotcat_nocommit=1';
 + hotcat_killEvt (evt);
 + document.location = editlk + '&hotcat_removecat=' + encodeURIComponent (cat_title);
 + return false;
 +}
 +
 +function hotcatGetParamValue(paramName, h) {
 + if (typeof h == 'undefined' ) { h = document.location.href; }
 + var cmdRe=RegExp('[&?]'+paramName+'=([^&]*)');
 + var m=cmdRe.exec(h);
 + if (m) {
 + try {
 + return decodeURIComponent(m[1]);
 + } catch (someError) {}
 + }
 + return null;
 +}
 +
 +// New. Code by Lupo & Superm401, added by Lupo, 2008-02-27
 +function hotcat_find_category (wikitext, category)
 +{
 + var cat_name = category.replace(/([\\\^\$\.\?\*\+\(\)])/g, "\\$1");
 + var initial = cat_name.substr (0, 1);
 + var cat_regex = new RegExp ("\\[\\[\\s*[Cc]ategory\\s*:\\s*"
 + + (initial == "\\"
 + ? initial
 + : "[" + initial.toUpperCase() + initial.toLowerCase() + "]")
 + + cat_name.substring (1).replace (/[ _]/g, "[ _]")
 + + "\\s*(\\|.*?)?\\]\\]", "g"
 + );
 + var result = new Array ();
 + var curr_match = null;
 + while ((curr_match = cat_regex.exec (wikitext)) != null) {
 + result [result.length] = {match : curr_match};
 + }
 + return result; // An array containing all matches, with positions, in result[i].match
 +}
 +
 +// All redirects to Template:Uncategorized
 +var hotcat_uncat_regex =
 + /\{\{\s*([Uu]ncat(egori[sz]ed( image)?)?|[Nn]ocat|[Nn]eedscategory)[^}]*\}\}/g;
 +
 +// Rewritten (nearly) from scratch. Lupo, 2008-02-27
 +function hotcat_check_action () {
 + var ret = 0;
 + if (wgAction != 'edit') return ret; // Not an edit page, so not our business...
 + var summary = new Array () ;
 + var t = document.editform.wpTextbox1.value ;
 + var prevent_autocommit = 0;
 + if ( (typeof hotcat_no_autocommit != "undefined" && hotcat_no_autocommit)
 + || hotcatGetParamValue ('hotcat_nocommit') == '1')
 + prevent_autocommit = 1;
 +
 + var cat_rm = hotcatGetParamValue ('hotcat_removecat');
 + var cat_add = hotcatGetParamValue ('hotcat_newcat');
 + var comment = hotcatGetParamValue ('hotcat_comment') || "";
 + var cat_key = hotcatGetParamValue ('hotcat_sortkey');
 +
 + if (cat_key != null) cat_key = '|' + cat_key;
 + if (cat_rm != null && cat_rm.length > 0) {
 + var matches = hotcat_find_category (t, cat_rm);
 + if (!matches || matches.length == 0) {
 + alert ('Category "' + cat_rm + '" not found; maybe it is in a template?');
 + prevent_autocommit = 1;
 + } else if (matches.length > 1) {
 + alert ('Category "' + cat_rm
 + + "\" found several times; don't know which occurrence to remove.");
 + prevent_autocommit = 1;
 + } else {
 + if (cat_add != null && cat_add.length > 0 && matches[0].match.length > 1)
 + cat_key = matches[0].match[1]; // Remember the category key, if any.
 + var t1 = t.substring (0, matches[0].match.index);
 + var t2 = t.substring (matches[0].match.index + matches[0].match[0].length);
 + // Remove whitespace (properly): strip whitespace, but only up to the next line feed.
 + // If we then have two linefeeds in a row, remove one. Otherwise, if we have two non-
 + // whitespace characters, insert a blank.
 + var i = t1.length - 1;
 + while (i >= 0 && t1.charAt (i) != '\n' && t1.substr (i, 1).search (/\s/) >= 0) i--;
 + var j = 0;
 + while (j < t2.length && t2.charAt (j) != '\n' && t1.substr (j, 1).search (/\s/) >= 0) j++;
 + if (i >= 0 && t1.charAt (i) == '\n' && j < t2.length && t2.charAt (j) == '\n')
 + i--;
 + if (i >= 0) t1 = t1.substring (0, i+1); else t1 = "";
 + if (j < t2.length) t2 = t2.substring (j); else t2 = "";
 + if (t1.length > 0 && t1.substring (t1.length - 1).search (/\S/) >= 0
 + && t2.length > 0 && t2.substr (0, 1).search (/\S/) >= 0)
 + t1 = t1 + ' ';
 + t = t1 + t2;
 + summary.push ( "Removed category \[\[:Category:" + cat_rm + "|" + cat_rm + "\]\]" ) ;
 + ret = 1;
 + }
 + }
 + if (cat_add != null && cat_add.length > 0) {
 + var matches = hotcat_find_category (t, cat_add);
 + if (matches && matches.length > 0) {
 + alert ('Category "' + cat_add + '" already exists; not added.');
 + prevent_autocommit = 1;
 + } else {
 + if (t.charAt (t.length - 1) != '\n') t = t + '\n';
 + t = t + '\[\[Category:' + cat_add + (cat_key != null ? cat_key : "") + '\]\]\n';
 + summary.push ("Quick-adding category \[\[:Category:" + cat_add + "|" + cat_add + "\]\]" + comment);
 + var t2 = t.replace(hotcat_uncat_regex, ""); // Remove "uncat" templates
 + if (t2.length != t.length) {
 + t = t2;
 + summary.push ( "removed {{uncategorized}}" ) ;
 + }
 + ret = 1;
 + }
 + }
 + if (ret) {
 + document.editform.wpTextbox1.value = t ;
 + document.editform.wpSummary.value = summary.join( "; " )
 + + " (using [[MediaWiki:Gadget-HotCat.js|HotCat.js]])" ;
 + document.editform.wpMinoredit.checked = true ;
 + if (!prevent_autocommit) {
 + // Hide the entire edit section so as not to tempt the user into editing...
 + var content = document.getElementById ("bodyContent") // "monobook" skin
 + || document.getElementById ("mw_contentholder") // "modern" skin
 + || document.getElementById ("article"); // classic skins
 + if (content) content.style.display = "none" ;
 + document.editform.submit ();
 + }
 + }
 + return ret;
 +}
 +
 +function hotcat_clear_span ( span_add ) {
 + while ( span_add.firstChild ) span_add.removeChild ( span_add.firstChild ) ;
 +}
 +
 +function hotcat_create_span ( span_add ) {
 + hotcat_clear_span ( span_add ) ;
 + var a_add = document.createElement ( "a" ) ;
 + var a_text = document.createTextNode ( "(+)" ) ;
 + span_add.id = "hotcat_add" ;
 + a_add.href = "javascript:hotcat_add_new()" ;
 + a_add.appendChild ( a_text ) ;
 + span_add.appendChild ( a_add ) ;
 +}
 +
 +function hotcat_modify ( link_id ) {
 + var link = document.getElementById ( link_id ) ;
 + var span = link.parentNode ;
 + var catname = span.hotcat_name;
 +
 + while ( span.firstChild.nextSibling ) span.removeChild ( span.firstChild.nextSibling ) ;
 + span.firstChild.style.display = "none" ;
 + hotcat_create_new_span ( span , catname ) ;
 + hotcat_last_v = "" ;
 + hotcat_text_changed () ; // Update icon
 +}
 +
 +function hotcat_add_new () {
 + var span_add = document.getElementById ( "hotcat_add" ) ;
 + hotcat_clear_span ( span_add ) ;
 + hotcat_last_v = "" ;
 + hotcat_create_new_span ( span_add , "" ) ;
 +}
 +
 +function hotcat_button_label (id, defaultText)
 +{
 + var label = null;
 + if (hotcat_upload
 + && typeof (UFUI) != 'undefined'
 + && typeof (UFUI.getLabel) == 'function') {
 + try {
 + label = UFUI.getLabel (id, true);
 + // Extract the plain text. IE doesn't know that Node.TEXT_NODE == 3
 + while (label && label.nodeType != 3) label = label.firstChild;
 + } catch (ex) {
 + label = null;
 + }
 + }
 + if (label == null || !label.data) return defaultText;
 + return label.data;
 +}
 +
 +function hotcat_create_new_span ( thespan , init_text ) {
 + var form = document.createElement ( "form" ) ;
 + form.method = "post" ;
 + form.onsubmit = function () { hotcat_ok(); return false; } ;
 + form.id = "hotcat_form" ;
 + form.style.display = "inline" ;
 +
 + var list = null;
 +
 + if (!hotcat_nosuggestions) {
 + // Only do this if we may actually use XMLHttp...
 + list = document.createElement ( "select" ) ;
 + list.id = "hotcat_list" ;
 + list.onclick = function ()
 + {
 + var l = document.getElementById("hotcat_list");
 + if (l != null)
 + document.getElementById("hotcat_text").value = l.options[l.selectedIndex].text;
 + hotcat_text_changed();
 + };
 + list.ondblclick = function (evt)
 + {
 + var l = document.getElementById("hotcat_list");
 + if (l != null)
 + document.getElementById("hotcat_text").value = l.options[l.selectedIndex].text;
 + // Don't call text_changed here if on upload form: hotcat_ok will remove the list
 + // anyway, so we must not ask for new suggestions since show_suggestions might
 + // raise an exception if it tried to show a no longer existing list.
 + // Lupo, 2008-01-20
 + if (!hotcat_upload) hotcat_text_changed();
 + hotcat_ok(hotcat_evtkeys (evt) & 1); // CTRL pressed?
 + };
 + list.style.display = "none" ;
 + }
 +
 + var text = document.createElement ( "input" ) ;
 + text.size = 40 ;
 + text.id = "hotcat_text" ;
 + text.type = "text" ;
 + text.value = init_text ;
 + text.onkeyup = function () { window.setTimeout("hotcat_text_changed();", JSconfig.keys['HotCatDelay'] ); } ;
 +
 + var exists = null;
 + if (!hotcat_nosuggestions) {
 + exists = document.createElement ( "img" ) ;
 + exists.id = "hotcat_exists" ;
 + exists.src = hotcat_exists_no ;
 + }
 +
 + var OK = document.createElement ( "input" ) ;
 + OK.type = "button" ;
 + OK.value = hotcat_button_label ('wpOkUploadLbl', 'OK') ;
 + OK.onclick = function (evt) { hotcat_ok (hotcat_evtkeys (evt) & 1); };
 +
 + var cancel = document.createElement ( "input" ) ;
 + cancel.type = "button" ;
 + cancel.value = hotcat_button_label ('wpCancelUploadLbl', 'Cancel') ;
 + cancel.onclick = hotcat_cancel ;
 +
 + if (list != null) form.appendChild ( list ) ;
 + form.appendChild ( text ) ;
 + if (exists != null) form.appendChild ( exists ) ;
 + form.appendChild ( OK ) ;
 + form.appendChild ( cancel ) ;
 + thespan.appendChild ( form ) ;
 + text.focus () ;
 +}
 +
 +function hotcat_ok (nocommit) {
 + var text = document.getElementById ( "hotcat_text" ) ;
 + var v = text.value || "";
 + v = v.replace(/_/g, ' ').replace(/^\s\s*/, '').replace(/\s\s*$/, ''); // Trim leading and trailing blanks
 +
 + // Empty category ?
 + if (!v) {
 + hotcat_cancel() ;
 + return ;
 + }
 +
 + // Get the links and the categories of the chosen category page
 + var url = wgServer + wgScriptPath + '/api.php?action=query&titles='
 + + encodeURIComponent ('Category:' + v)
 + + '&prop=info|links|categories&plnamespace=14&format=json&callback=hotcat_json_resolve';
 + var request = sajax_init_object() ;
 + if (request == null) {
 + //Oops! We don't have XMLHttp...
 + hotcat_nosuggestions = true;
 + hotcat_closeform (nocommit);
 + hotcat_running = 0;
 + return;
 + }
 + request.open ('GET', url, true);
 + request.onreadystatechange =
 + function () {
 + if (request.readyState != 4) return;
 + if (request.status != 200) {
 + hotcat_closeform (nocommit);
 + } else {
 + var do_submit = eval (request.responseText);
 + var txt = document.getElementById ('hotcat_text');
 + if (do_submit) {
 + hotcat_closeform (
 + nocommit
 + ,(txt && txt.value != v) ? " (redirect \[\[:Category:" + v + "|" + v + "\]\] resolved)" : null
 + );
 + }
 + }
 + };
 + request.setRequestHeader ('Pragma', 'cache=yes');
 + request.setRequestHeader ('Cache-Control', 'no-transform');
 + request.send (null);
 +}
 +
 +function hotcat_json_resolve (params)
 +{
 + function resolve (page)
 + {
 + var cats = page.categories;
 + var is_dab = false;
 + var is_redir = typeof (page.redirect) == 'string'; // Hard redirect?
 + if (!is_redir && cats) {
 + for (var c = 0; c < cats.length; c++) {
 + var cat = cats[c]["title"];
 + if (cat) cat = cat.substring (cat.indexOf (':') + 1); // Strip namespace prefix
 + if (cat == 'Disambiguation') {
 + is_dab = true; break;
 + } else if (cat == 'Category_redirects' || cat == 'Category redirects') {
 + is_redir = true; break;
 + }
 + }
 + }
 + if (!is_redir && !is_dab) return true;
 + var lks = page.links;
 + var titles = new Array ();
 + for (i = 0; i < lks.length; i++) {
 + if ( lks[i]["ns"] == 14 // Category namespace
 + && lks[i]["title"] && lks[i]["title"].length > 0) { // Name not empty
 + // Internal link to existing thingy. Extract the page name.
 + var match = lks[i]["title"];
 + // Remove the category prefix
 + match = match.substring (match.indexOf (':') + 1);
 + titles.push (match);
 + if (is_redir) break;
 + }
 + }
 + if (titles.length > 1) {
 + // Disambiguation page
 + hotcat_show_suggestions (titles);
 + return false;
 + } else if (titles.length == 1) {
 + var text = document.getElementById ("hotcat_text");
 + if (text) text.value = titles[0];
 + }
 + return true;
 + } // end local function resolve
 +
 + // We should have at most one page here
 + for (var page in params.query.pages) return resolve (params.query.pages[page]);
 + return true; // In case we have none.
 +}
 +
 +function hotcat_closeform (nocommit, comment)
 +{
 + var text = document.getElementById ( "hotcat_text" ) ;
 + var v = text.value || "";
 + v = v.replace(/_/g, ' ').replace(/^\s\s*/, '').replace(/\s\s*$/, ''); // Trim leading and trailing blanks
 + if (!v // Empty
 + || wgNamespaceNumber == 14 && v == wgTitle // Self-reference
 + || text.parentNode.parentNode.id != 'hotcat_add' // Modifying, but
 + && text.parentNode.parentNode.hotcat_name == v) // name unchanged
 + {
 + hotcat_cancel ();
 + return;
 + }
 +
 + if (hotcat_upload) {
 + hotcat_just_add (v) ; // Close the form
 + return ;
 + }
 + var editlk = wgServer + wgScript + '?title=' + encodeURIComponent (wgPageName)
 + + '&action=edit';
 + var url = editlk + '&hotcat_newcat=' + encodeURIComponent( v ) ;
 +
 + // Editing existing?
 + var span = text.parentNode.parentNode ; // span.form.text
 + if ( span.id != "hotcat_add" ) { // Not plain "addition"
 + url += '&hotcat_removecat=' + encodeURIComponent (span.hotcat_name);
 + }
 + if (nocommit) url = url + '&hotcat_nocommit=1';
 + if (comment) url = url + '&hotcat_comment=' + encodeURIComponent (comment);
 + // Make the list disappear:
 + var list = document.getElementById ( "hotcat_list" ) ;
 + if (list) list.style.display = 'none';
 +
 + document.location = url ;
 +}
 +
 +function hotcat_just_add ( text ) {
 + var span = document.getElementById("hotcat_form") ;
 + while ( span.tagName != "SPAN" ) span = span.parentNode ;
 + var add = 0 ;
 + if ( span.id == "hotcat_add" ) add = 1 ;
 + span.id = "" ;
 + while ( span.firstChild ) span.removeChild ( span.firstChild ) ;
 + var na = document.createElement ( "a" ) ;
 + na.href = wgArticlePath.split("$1").join("Category:" + encodeURI (text)) ;
 + na.appendChild ( document.createTextNode ( text ) ) ;
 + na.setAttribute ( "title" , "Category:" + text ) ;
 + span.appendChild ( na ) ;
 + var catline = getElementsByClassName ( document , "p" , "catlinks" ) [0] ;
 + if ( add ) hotcat_append_add_span ( catline ) ;
 +
 + for ( var i = 0 ; i < span.parentNode.childNodes.length ; i++ ) {
 + if ( span.parentNode.childNodes[i] != span ) continue ;
 + hotcat_modify_span ( span , i ) ;
 + break ;
 + }
 +}
 +
 +function hotcat_cancel () {
 + var span = document.getElementById("hotcat_form").parentNode ;
 + if ( span.id == "hotcat_add" ) {
 + hotcat_create_span ( span ) ;
 + } else {
 + while ( span.firstChild.nextSibling ) span.removeChild ( span.firstChild.nextSibling ) ;
 + span.firstChild.style.display = "" ;
 + for ( var i = 0 ; i < span.parentNode.childNodes.length ; i++ ) {
 + if ( span.parentNode.childNodes[i] != span ) continue ;
 + hotcat_modify_span ( span , i ) ;
 + break ;
 + }
 + }
 +}
 +
 +function hotcat_text_changed () {
 + if ( hotcat_running ) return ;
 + var text = document.getElementById ( "hotcat_text" ) ;
 + var v = text.value.ucFirst() ;
 + if ( hotcat_last_v == v ) return ; // Nothing's changed...
 +
 + if (hotcat_nosuggestions) {
 + // On IE, XMLHttp uses ActiveX, and the user may deny execution... just make sure
 + // the list is not displayed.
 + var list = document.getElementById ('hotcat_list');
 + if (list != null) list.style.display = "none" ;
 + var exists = document.getElementById ('hotcat_exists');
 + if (exists != null) exists.style.display = "none" ;
 + return;
 + }
 +
 + hotcat_running = 1 ;
 + hotcat_last_v = v ;
 +
 + if ( v != "" ) {
 + var url = wgServer + wgScriptPath
 + + "/api.php?format=xml&action=query&list=allpages&apnamespace=14&apfrom="
 + + encodeURIComponent( v ) ;
 + var request = sajax_init_object() ;
 + if (request == null) {
 + //Oops! We don't have XMLHttp...
 + hotcat_nosuggestions = true;
 + var list = document.getElementById ('hotcat_list');
 + if (list != null) list.style.display = "none" ;
 + var exists = document.getElementById ('hotcat_exists');
 + if (exists != null) exists.style.display = "none" ;
 + hotcat_running = 0;
 + return;
 + }
 + request.open('GET', url, true);
 + request.onreadystatechange =
 + function () {
 + if (request.readyState == 4) {
 + var xml = request.responseXML ;
 + if ( xml == null ) return ;
 + var pages = xml.getElementsByTagName( "p" ) ; // results are *with* namespace here
 + var titles = new Array () ;
 + for ( var i = 0 ; i < pages.length ; i++ ) {
 + // Remove the namespace. No hardcoding of 'Category:', please, other Wikis may have
 + // local names ("Kategorie:" on de-WP, for instance). Also don't break on category
 + // names containing a colon
 + var s = pages[i].getAttribute("title");
 + s = s.substring (s.indexOf (':') + 1);
 + if ( s.substr ( 0 , hotcat_last_v.length ) != hotcat_last_v ) break ;
 + titles.push ( s ) ;
 + }
 + hotcat_show_suggestions ( titles ) ;
 + }
 + };
 + request.setRequestHeader ('Pragma', 'cache=yes');
 + request.setRequestHeader ('Cache-Control', 'no-transform');
 + request.send(null);
 + } else {
 + hotcat_show_suggestions ( new Array () ) ;
 + }
 + hotcat_running = 0 ;
 +}
 +
 +function hotcat_show_suggestions ( titles ) {
 + var text = document.getElementById ( "hotcat_text" ) ;
 + var list = document.getElementById ( "hotcat_list" ) ;
 + var icon = document.getElementById ( "hotcat_exists" ) ;
 + // Somehow, after a double click on the selection list, we still get here in IE, but
 + // the list may no longer exist... Lupo, 2008-01-20
 + if (list == null) return;
 + if (hotcat_nosuggestions) {
 + list.style.display = "none" ;
 + if (icon != null) icon.style.display = "none";
 + return;
 + }
 + if ( titles.length == 0 ) {
 + list.style.display = "none" ;
 + icon.src = hotcat_exists_no ;
 + return ;
 + }
 +
 + // Set list size to minimum of 5 and actual number of titles. Formerly was just 5.
 + // Lupo, 2008-01-20
 + list.size = (titles.length > 5 ? 5 : titles.length) ;
 + // Avoid list height 1: double-click doesn't work in FF. Lupo, 2008-02-27
 + if (list.size == 1) list.size = 2;
 + list.style.align = "left" ;
 + list.style.zIndex = 5 ;
 + list.style.position = "absolute" ;
 +
 + // Was listh = titles.length * 20: that makes no sense if titles.length > list.size
 + // Lupo, 2008-01-20
 + var listh = list.size * 20;
 + var nl = parseInt (text.offsetLeft) - 1 ;
 + var nt = parseInt (text.offsetTop) - listh ;
 + if (skin == 'nostalgia' || skin == 'cologneblue' || skin == 'standard') {
 + // These three skins have the category line at the top of the page. Make the suggestions
 + // appear *below* out input field.
 + nt = parseInt (text.offsetTop) + parseInt (text.offsetHeight) + 3;
 + }
 + list.style.top = nt + "px" ;
 + list.style.width = text.offsetWidth + "px" ;
 + list.style.height = listh + "px" ;
 + list.style.left = nl + "px" ;
 + while ( list.firstChild ) list.removeChild ( list.firstChild ) ;
 + for ( var i = 0 ; i < titles.length ; i++ ) {
 + var opt = document.createElement ( "option" ) ;
 + var ot = document.createTextNode ( titles[i] ) ;
 + opt.appendChild ( ot ) ;
 + //opt.value = titles[i] ;
 + list.appendChild ( opt ) ;
 + }
 +
 + icon.src = hotcat_exists_yes ;
 +
 + var nof_titles = titles.length;
 +
 + var first_title = titles.shift () ;
 + var v = text.value.ucFirst() ;
 + text.focus ();
 + if ( first_title == v ) {
 + if (nof_titles == 1) {
 + // Only one result, and it's the same as whatever is in the input box: makes no sense
 + // to show the list.
 + list.style.display = 'none';
 + }
 + return ;
 + }
 +
 + list.style.display = "block" ;
 +
 + // Put the first entry of the title list into the text field, and select the
 + // new suffix such that it'll be overwritten if the user keeps typing.
 + // ONLY do this if we have a way to select parts of the content of a text
 + // field, otherwise, this is very annoying for the user. Note: IE does it
 + // again differently from the two versions previously implemented.
 + // Lupo, 2008-01-20
 + // Only put first entry into the list if the user hasn't typed something
 + // conflicting yet Dschwen 2008-02-18
 + if ( ( text.setSelectionRange ||
 + text.createTextRange ||
 + typeof (text.selectionStart) != 'undefined' &&
 + typeof (text.selectionEnd) != 'undefined' ) &&
 + v == first_title.substr(0,v.length) )
 + {
 + // taking hotcat_last_v was a major annoyance,
 + // since it constantly killed text that was typed in
 + // _since_ the last AJAX request was fired! Dschwen 2008-02-18
 + var nosel = v.length ;
 +
 + text.value = first_title ;
 +
 + if (text.setSelectionRange) // e.g. khtml
 + text.setSelectionRange (nosel, first_title.length);
 + else if (text.createTextRange) { // IE
 + var new_selection = text.createTextRange();
 + new_selection.move ("character", nosel);
 + new_selection.moveEnd ("character", first_title.length - nosel);
 + new_selection.select();
 + } else {
 + text.selectionStart = nosel;
 + text.selectionEnd = first_title.length;
 + }
 + }
 +}
 +
 +function hotcat_get_state ()
 +{
 + var cats = document.getElementById ('catlinks');
 + if (cats == null) return "";
 + var result = null;
 + cats = cats.getElementsByTagName ('span') ;
 + for (var i = 0; i < cats.length; i++ ) {
 + var text = cats[i].hotcat_name;
 + if (text) {
 + if (result == null)
 + result = text;
 + else
 + result = result + '\n' + text;
 + }
 + }
 + return result;
 +}
 +
 +function hotcat_set_state (state)
 +{
 + var cats = state.split ('\n');
 + if (cats.length == 0) return null;
 + var parent = document.getElementById ('catlinks');
 + if (parent == null) return state;
 + // HotCat uses a 'p' element inside the 'div' to wrap its spans...
 + parent = parent.firstChild;
 + if (parent == null || parent.className != 'catlinks') return state;
 + var n = (parent.childNodes ? parent.childNodes.length - 1 : 0);
 + if (n < 0) n = 0;
 + var before = parent.lastChild;
 + for (var i = 0; i < cats.length; i++) {
 + if (cats[i].length > 0) {
 + var lk = document.createElement ('a');
 + lk.href = wgArticlePath.split ('$1').join ('Category:' + encodeURI (cats[i]));
 + lk.appendChild (document.createTextNode (cats[i]));
 + lk.setAttribute ('title', cats[i]);
 + var span = document.createElement ('span');
 + span.appendChild (lk);
 + parent.insertBefore (span, before);
 + if (before != null) parent.insertBefore (document.createTextNode (' | '), before);
 + hotcat_modify_span (span, n++);
 + }
 + }
 + return null;
 +}
 +
 +addOnloadHook ( hotcat ) ;
 +
 +//</source>

Revision as of 16:10, 27 January 2009

//<source lang="javascript">

var hotcat_loaded = false; // Guard against double inclusions var hotcat_running = 0 ; var hotcat_last_v = "" ; var hotcat_exists_yes = "20px-P_yes.svg.png" ; var hotcat_exists_no = "20px-P_no.svg.png" ; var hotcat_upload = 0 ; var hotcat_no_autocommit = 0; var hotcat_old_onsubmit = null; var hotcat_nosuggestions = false; // hotcat_nosuggestions is set to true if we don't have XMLHttp! (On IE6, XMLHttp uses // ActiveX, and the user may deny execution.) If true, no suggestions will ever be // displayed, and there won't be any checking whether the category exists. // Lupo, 2008-01-20

var hotcat_modify_blacklist = new Array ( "CC-" , "GFDL" , "PD" ) ;

function hotcat_remove_upload ( text ) {

 var cats = document.getElementById ( "catlinks" ) ;
 cats = cats.getElementsByTagName ( "span" ) ;
 for ( var i = 0 ; i < cats.length ; i++ ) {
   if (cats[i].hotcat_name && cats[i].hotcat_name == text) {
     cats[i].parentNode.removeChild ( cats[i].nextSibling ) ;
     cats[i].parentNode.removeChild ( cats[i] ) ;
     break ;
   }
 }

}

function hotcat_check_upload () {

 // Don't do anything if not "Special:Upload", or user not logged in.
 if ( wgNamespaceNumber != -1 || wgTitle != "Upload" || wgUserName == null) return ;
 var ip = document.getElementById ( "wpWatchthis" ) ;
 // Go to Special:Upload, choose a local file, enter a target file name without extension,
 // then submit: you get a page that is "Special:Upload", but that doesn't have any form!
 if (ip == null) return;
 hotcat_upload = 1 ;
 var tr = ip.parentNode.parentNode ;
 var ntr = document.createElement ( "tr" ) ;
 var ntd = document.createElement ( "td" ) ;
 var ntde = document.createElement ( "td" ) ;
 var catline = document.createElement ( "div" ) ;
 var np = document.createElement ( "p" ) ;

 ntde.setAttribute ('id', 'hotcatLabel');
 var label = null;
 if (typeof (UFUI) != 'undefined' &&
     typeof (UFUI.getLabel) == 'function') {
   try {
     label = UFUI.getLabel ('wpCategoriesUploadLbl');
   } catch (ex) {
     label = null;
   }
 }
 if (label == null)
   ntde.appendChild (document.createTextNode ("Categories:"));
 else {
   ntde.setAttribute ('id', 'hotcatLabelTranslated');
   // Change the ID to avoid that UploadForm tries to translate it again.
   ntde.appendChild (label);
 }
 ntde.style.textAlign = "right" ;
 ntde.style.verticalAlign = "middle" ;
 catline.id = "catlinks" ;
 // On the upload form, the suggestion box appears at the very top of the page. That is because
 // the innermost enclosing div of the upload form (and its table) that has position "relative"
 // is the bodyContent div. Try to fix that by giving catline relative positioning, so absolute
 // positioning within should be relative to catline. Lupo, 2008-01-18
 catline.style.position ="relative";
 catline.style.textAlign = "left";
 // Otherwise, it looks bad in the Classic skin on the upload form. Lupo, 2008-05-16
 np.className = "catlinks" ;
 np.style.textAlign = "left";
 catline.appendChild ( np ) ;
 ntd.appendChild ( catline ) ;
 ntde.className = 'mw-label';
 ntr.appendChild ( ntde ) ;
 ntr.appendChild ( ntd ) ;

 // Add handler for submit (changed by Lupo, 2008-01-18)
 var form = document.getElementById ('upload');
 // Grrr... they changed the upload form!
 // http://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/includes/SpecialUpload.php?r1=32033&r2=32190
 if (!form) form = document.getElementById ('mw-upload-form');
 if (form) {
   hotcat_old_onsubmit = form.onsubmit;
   form.onsubmit = hotcat_on_upload;
   tr.parentNode.insertBefore ( ntr , tr ) ; // Insert *above* "Watch this" box
 }

}

function hotcat_on_upload () {

 // First, make sure that if we have an open category input form, we close it.
 var input = document.getElementById ('hotcat_text');
 if (input != null) hotcat_ok ();

 var do_submit = true;
 // Call previous onsubmit handler, if any
 if (hotcat_old_onsubmit) {
   if (typeof hotcat_old_onsubmit == 'string')
     do_submit = eval (hotcat_old_onsubmit);
   else if (typeof hotcat_old_onsubmit == 'function')
     do_submit = hotcat_old_onsubmit ();
 }
 if (!do_submit) return false;
 // Only copy the categories if we do submit
 var cats = document.getElementById ( "catlinks" ) ;
 cats = cats.getElementsByTagName ( "span" ) ;
 var eb = document.getElementById ( "wpUploadDescription" )
          || document.getElementById ( "wpDesc" ); // New upload form
 for ( var i = 0 ; i < cats.length ; i++ ) {
   var t = cats[i].hotcat_name;
   if (!t) continue ;
   var new_cat = "\[\[Category:" + t + "\]\]" ;
   // Only add if not already present
   if (eb.value.indexOf (new_cat) < 0) eb.value += "\n" + new_cat ;
 }
 return true;

}

function hotcat () {

 JSconfig.registerKey('HotCatDelay', 100, 'HotCat autocompletion delay (ms):', 5);

 if ( hotcat_check_action() ) return ; // Edited page, reloading anyway
 if (hotcat_loaded) return; // Guard against double inclusions
 hotcat_loaded = true;
 hotcat_check_upload () ;

 function can_edit ()
 {
   var container = null;
   switch (skin) {
     case 'cologneblue':
       container = document.getElementById ('quickbar');
       // Fall through
     case 'standard':
     case 'nostalgia':
       if (!container) container = document.getElementById ('topbar');
       var lks = container.getElementsByTagName ('a');
       for (var i = 0; i < lks.length; i++) {
         if (   hotcatGetParamValue ('title', lks[i].href) == wgPageName
             && hotcatGetParamValue ('action', lks[i].href) == 'edit')
           return true;
       }
       return false;
     default:
       // all modern skins:
       return document.getElementById ('ca-edit') != null;
   }
   return false;
 }

 if(    (!can_edit () && !hotcat_upload)           // User has no permission to edit
     || wgAction != 'view'                         // User is editing or previewing or...
     || wgNamespaceNumber == -1 && !hotcat_upload) // Special page other than Special:Upload
  return; 

 if (!wgIsArticle && !hotcat_upload) return;       // Diff pages...
 // Note that wgIsArticle is also set to true for category, talk, user, etc. pages: anything that
 // can be edited. It is false for diff pages, special pages, and ...

 var visible_cats = 
   document.getElementById ('mw-normal-catlinks') ||           // MW 1.13alpha
   getElementsByClassName ( document , "p" , "catlinks" ) [0]; // MW < 1.13 && Special:Upload
 var hidden_cats =
   document.getElementById ('mw-hidden-catlinks');
 if (visible_cats == null) {
   // Insert an empty category line
   var footer = null;
   if (hidden_cats == null) {
     footer = getElementsByClassName (document , "div" , "printfooter")[0];
     if (!footer) return; // Don't know where to insert the category line
   }
   visible_cats = document.createElement ('div');
   visible_cats.setAttribute ('id', 'mw-normal-catlinks');
   var label = document.createElement ('a');
   label.setAttribute ('href', wgArticlePath.replace (/\$1/, 'Special:Categories'));
   label.setAttribute ('title', 'Special:Categories');
   label.appendChild (document.createTextNode ('Category'));
   visible_cats.appendChild (label);
   visible_cats.appendChild (document.createTextNode (':'));
   if (hidden_cats == null) {
     var container = document.createElement ('div');
     container.setAttribute ('id', 'catlinks');
     container.className = 'catlinks';
     container.appendChild (visible_cats);
     footer.parentNode.insertBefore (container, footer.nextSibling);
   } else {
     hidden_cats.parentNode.insertBefore (visible_cats, hidden_cats);
     hidden_cats.parentNode.className = 'catlinks';
     hidden_cats.parentNode.style.display = ""; // For good measure, in case this changes again
   }
 } // end if no categories

 visible_cats.style.position = 'relative';
 hotcat_modify_existing ( visible_cats ) ;
 hotcat_append_add_span ( visible_cats ) ;

 // Check for state restoration (Lupo, 2008-02-06)
 if (   hotcat_upload
     && typeof (UploadForm) != 'undefined'
     && typeof (UploadForm.previous_hotcat_state) != 'undefined'
     && UploadForm.previous_hotcat_state != null)
   UploadForm.previous_hotcat_state = hotcat_set_state (UploadForm.previous_hotcat_state);

}

function hotcat_append_add_span ( catline ) {

 var span_add = document.createElement ( "span" ) ;
 if ( catline.getElementsByTagName('span')[0] )
   catline.appendChild (document.createTextNode (" | "));
 else if (catline.firstChild)
   catline.appendChild (document.createTextNode (' '));
 catline.appendChild ( span_add );
 hotcat_create_span ( span_add );

}

String.prototype.ucFirst = function () {

  return this.substr(0,1).toUpperCase() + this.substr(1,this.length);

}

function hotcat_is_on_blacklist ( cat_title ) {

 if ( !cat_title ) return 0 ;
 // cat_title = cat_title.split(":",2).pop() ; // Not needed anymore: we work without 'Category:'
 for ( var i = 0 ; i < hotcat_modify_blacklist.length ; i++ ) {
   if ( cat_title.substr ( 0 , hotcat_modify_blacklist[i].length ) == hotcat_modify_blacklist[i] ) return 1 ;
 }
 return 0 ;

}

function hotcat_modify_span ( span , i ) {

 //var cat_title = span.firstChild.getAttribute ( "title" ) ;
 // This fails with MW 1.13alpha if the category is a redlink, because MW 1.13alpha appends
 // MediaWiki:Red-link-title to the category name... it also fails if the category name
 // contains "&" (because that is represented by & in the XHTML both in the title and in
 // the link's content (innerHTML). Extract the category name from the href instead:
 var cat_title = null;
 var classes   = span.firstChild.getAttribute ('class');
 if (classes && classes.search (/\bnew\b/) >= 0) {  // href="/w/index.php?title=...&action=edit"
   cat_title = hotcatGetParamValue ('title', span.firstChild.href);
 } else { // href="/wiki/..."
   var re = new RegExp (wgArticlePath.replace (/\$1/, '(.*)'));
   var matches = re.exec (span.firstChild.href);
   if (matches && matches.length > 1)
     cat_title = decodeURIComponent (matches[1]);
   else
     return;
 }
 // Strip namespace, replace _ by blank
 cat_title = cat_title.substring (cat_title.indexOf (':') + 1).replace (/_/g, ' ');

 var sep1 = document.createTextNode ( " " ) ;
 var a1 = document.createTextNode ( "(-)" ) ;
 var remove_link = document.createElement ( "a" ) ;
 // Set the href to a dummy value to make sure we don't move if somehow the onclick handler
 // is bypassed.
 remove_link.href = "#catlinks";
 remove_link.onclick = hotcat_remove;
 remove_link.appendChild ( a1 ) ;
 span.appendChild ( sep1 ) ;
 span.appendChild ( remove_link ) ;

 if ( hotcat_is_on_blacklist ( cat_title ) ) return ;
 var mod_id = "hotcat_modify_" + i ;
 var sep2 = document.createTextNode ( " " ) ;
 var a2 = document.createTextNode ( "(±)" ) ;
 var modify_link = document.createElement ( "a" ) ;
 modify_link.id = mod_id ;
 modify_link.href = "javascript:hotcat_modify(\"" + mod_id + "\");" ;
 modify_link.appendChild ( a2 ) ;
 span.appendChild ( sep2 ) ;
 span.appendChild ( modify_link ) ;
 span.hotcat_name = cat_title; //Store the extracted category name in our own new property of the span DOM node

}

function hotcat_modify_existing ( catline ) {

 var spans = catline.getElementsByTagName ( "span" ) ;
 for ( var i = 0 ; i < spans.length ; i++ ) {
   hotcat_modify_span ( spans[i] , i ) ;
 }

}

function hotcat_getEvt (evt) {

 return evt || window.event || window.Event; // Gecko, IE, Netscape

}

function hotcat_evt2node (evt) {

 var node = null;
 try {
   var e = hotcat_getEvt (evt);
   node = e.target;
   if (!node) node = e.srcElement;
 } catch (ex) {
   node = null;
 }
 return node;

}

function hotcat_evtkeys (evt) {

 var code = 0;
 try {
   var e = hotcat_getEvt (evt);
   if (typeof(e.ctrlKey) != 'undefined') { // All modern browsers
     if (e.ctrlKey)  code |= 1;
     if (e.shiftKey) code |= 2;
   } else if (typeof (e.modifiers) != 'undefined') { // Netscape...
     if (e.modifiers & Event.CONTROL_MASK) code |= 1;
     if (e.modifiers & Event.SHIFT_MASK)   code |= 2;
   }
 } catch (ex) {
 }
 return code;

}

function hotcat_killEvt (evt) {

 try {
   var e = hotcat_getEvt (evt);
   if (typeof (e.preventDefault) != 'undefined') {
     e.preventDefault ();
     e.stopPropagation ();
   } else
     e.cancelBubble = true;
 } catch (ex) {
 }

}

function hotcat_remove (evt) {

 var node = hotcat_evt2node (evt);
 if (!node) return false;
 // Get the category name from the original link to the category, which is at
 // node.parentNode.firstChild (the DOM structure here is
 // <a...>Category</a> <a...>(-)</a>...).
 var cat_title = node.parentNode.hotcat_name; 
 if ( hotcat_upload ) {
   hotcat_remove_upload ( cat_title ) ;
   hotcat_killEvt (evt);
   return false;
 }
 var editlk = wgServer + wgScript + '?title=' + encodeURIComponent (wgPageName)
            + '&action=edit';
 if (hotcat_evtkeys (evt) & 1) // CTRL pressed?
   editlk = editlk + '&hotcat_nocommit=1';
 hotcat_killEvt (evt);
 document.location = editlk + '&hotcat_removecat=' + encodeURIComponent (cat_title);
 return false;

}

function hotcatGetParamValue(paramName, h) {

 if (typeof h == 'undefined' ) { h = document.location.href; }
 var cmdRe=RegExp('[&?]'+paramName+'=([^&]*)');
 var m=cmdRe.exec(h);
 if (m) {
   try {
     return decodeURIComponent(m[1]);
   } catch (someError) {}
 }
 return null;

}

// New. Code by Lupo & Superm401, added by Lupo, 2008-02-27 function hotcat_find_category (wikitext, category) {

 var cat_name  = category.replace(/([\\\^\$\.\?\*\+\(\)])/g, "\\$1");
 var initial   = cat_name.substr (0, 1);
 var cat_regex = new RegExp ("\\[\\[\\s*[Cc]ategory\\s*:\\s*"
                             + (initial == "\\"
                                ? initial
                                : "[" + initial.toUpperCase() + initial.toLowerCase() + "]")
                             + cat_name.substring (1).replace (/[ _]/g, "[ _]")
                             + "\\s*(\\|.*?)?\\]\\]", "g"
                            );
 var result = new Array ();
 var curr_match  = null;
 while ((curr_match = cat_regex.exec (wikitext)) != null) {
   result [result.length] = {match : curr_match};
 }
 return result; // An array containing all matches, with positions, in result[i].match

}

// All redirects to Template:Uncategorized var hotcat_uncat_regex =

 /\{\{\s*([Uu]ncat(egori[sz]ed( image)?)?|[Nn]ocat|[Nn]eedscategory)[^}]*\}\}/g;

// Rewritten (nearly) from scratch. Lupo, 2008-02-27 function hotcat_check_action () {

 var ret = 0;
 if (wgAction != 'edit') return ret; // Not an edit page, so not our business...
 var summary = new Array () ;
 var t = document.editform.wpTextbox1.value ;
 var prevent_autocommit = 0;
 if (   (typeof hotcat_no_autocommit != "undefined" && hotcat_no_autocommit)
     || hotcatGetParamValue ('hotcat_nocommit') == '1')
   prevent_autocommit = 1;

 var cat_rm  = hotcatGetParamValue ('hotcat_removecat');
 var cat_add = hotcatGetParamValue ('hotcat_newcat');
 var comment = hotcatGetParamValue ('hotcat_comment') || "";
 var cat_key = hotcatGetParamValue ('hotcat_sortkey');

 if (cat_key != null) cat_key = '|' + cat_key;
 if (cat_rm != null && cat_rm.length > 0) {
   var matches = hotcat_find_category (t, cat_rm);
   if (!matches || matches.length == 0) {
     alert ('Category "' + cat_rm + '" not found; maybe it is in a template?');
     prevent_autocommit = 1;
   } else if (matches.length > 1) {
     alert ('Category "' + cat_rm
            + "\" found several times; don't know which occurrence to remove.");
     prevent_autocommit = 1;
   } else {
     if (cat_add != null && cat_add.length > 0 && matches[0].match.length > 1)
       cat_key = matches[0].match[1]; // Remember the category key, if any.
     var t1 = t.substring (0, matches[0].match.index);
     var t2 = t.substring (matches[0].match.index + matches[0].match[0].length);
     // Remove whitespace (properly): strip whitespace, but only up to the next line feed.
     // If we then have two linefeeds in a row, remove one. Otherwise, if we have two non-
     // whitespace characters, insert a blank.
     var i = t1.length - 1;
     while (i >= 0 && t1.charAt (i) != '\n' && t1.substr (i, 1).search (/\s/) >= 0) i--;
     var j = 0;
     while (j < t2.length && t2.charAt (j) != '\n' && t1.substr (j, 1).search (/\s/) >= 0) j++;
     if (i >= 0 && t1.charAt (i) == '\n' && j < t2.length && t2.charAt (j) == '\n')
       i--;
     if (i >= 0) t1 = t1.substring (0, i+1); else t1 = "";
     if (j < t2.length) t2 = t2.substring (j); else t2 = "";
     if (t1.length > 0 && t1.substring (t1.length - 1).search (/\S/) >= 0
         && t2.length > 0 && t2.substr (0, 1).search (/\S/) >= 0)
       t1 = t1 + ' ';
     t = t1 + t2;
     summary.push ( "Removed category \[\[:Category:" + cat_rm + "|" + cat_rm + "\]\]" ) ;
     ret = 1;
   }
 }
 if (cat_add != null && cat_add.length > 0) {
   var matches = hotcat_find_category (t, cat_add);
   if (matches && matches.length > 0) {
     alert ('Category "' + cat_add + '" already exists; not added.');
     prevent_autocommit = 1;
   } else {
     if (t.charAt (t.length - 1) != '\n') t = t + '\n';
     t = t + '\[\[Category:' + cat_add + (cat_key != null ? cat_key : "") + '\]\]\n';
     summary.push ("Quick-adding category \[\[:Category:" + cat_add + "|" + cat_add + "\]\]" + comment);
     var t2 = t.replace(hotcat_uncat_regex, ""); // Remove "uncat" templates
     if (t2.length != t.length) {
       t = t2;
       summary.push ( "removed Template:Uncategorized" ) ;
     }
     ret = 1;
   }
 }
 if (ret) {
   document.editform.wpTextbox1.value = t ;
   document.editform.wpSummary.value = summary.join( "; " )
                                     + " (using HotCat.js)" ;
   document.editform.wpMinoredit.checked = true ;
   if (!prevent_autocommit) {
     // Hide the entire edit section so as not to tempt the user into editing...
     var content =    document.getElementById ("bodyContent")       // "monobook" skin
                   || document.getElementById ("mw_contentholder")  // "modern" skin
                   || document.getElementById ("article");          // classic skins
     if (content) content.style.display = "none" ;
     document.editform.submit ();
   }
 }
 return ret;

}

function hotcat_clear_span ( span_add ) {

 while ( span_add.firstChild ) span_add.removeChild ( span_add.firstChild ) ;

}

function hotcat_create_span ( span_add ) {

 hotcat_clear_span ( span_add ) ;
 var a_add = document.createElement ( "a" ) ;
 var a_text = document.createTextNode ( "(+)" ) ;
 span_add.id = "hotcat_add" ;
 a_add.href = "javascript:hotcat_add_new()" ;
 a_add.appendChild ( a_text ) ;
 span_add.appendChild ( a_add ) ;

}

function hotcat_modify ( link_id ) {

 var link = document.getElementById ( link_id ) ;
 var span = link.parentNode ;
 var catname = span.hotcat_name;

 while ( span.firstChild.nextSibling ) span.removeChild ( span.firstChild.nextSibling ) ;
 span.firstChild.style.display = "none" ;
 hotcat_create_new_span ( span , catname ) ;
 hotcat_last_v = "" ;
 hotcat_text_changed () ; // Update icon

}

function hotcat_add_new () {

 var span_add = document.getElementById ( "hotcat_add" ) ;
 hotcat_clear_span ( span_add ) ;
 hotcat_last_v = "" ;
 hotcat_create_new_span ( span_add , "" ) ;

}

function hotcat_button_label (id, defaultText) {

 var label = null;
 if (hotcat_upload
     && typeof (UFUI) != 'undefined'
     && typeof (UFUI.getLabel) == 'function') {
   try {
     label = UFUI.getLabel (id, true);
     // Extract the plain text. IE doesn't know that Node.TEXT_NODE == 3
     while (label && label.nodeType != 3) label = label.firstChild;
   } catch (ex) {
     label = null;
   }
 }
 if (label == null || !label.data) return defaultText;
 return label.data;    

}

function hotcat_create_new_span ( thespan , init_text ) {

 var form = document.createElement ( "form" ) ;
 form.method = "post" ;
 form.onsubmit = function () { hotcat_ok(); return false; } ; 
 form.id = "hotcat_form" ;
 form.style.display = "inline" ;

 var list = null;

 if (!hotcat_nosuggestions) {
   // Only do this if we may actually use XMLHttp...
   list = document.createElement ( "select" ) ;
   list.id = "hotcat_list" ;
   list.onclick = function ()
     {
       var l = document.getElementById("hotcat_list");
       if (l != null)
         document.getElementById("hotcat_text").value = l.options[l.selectedIndex].text;
       hotcat_text_changed();
     };
   list.ondblclick = function (evt)
     {
       var l = document.getElementById("hotcat_list");
       if (l != null)
         document.getElementById("hotcat_text").value = l.options[l.selectedIndex].text;
       // Don't call text_changed here if on upload form: hotcat_ok will remove the list
       // anyway, so we must not ask for new suggestions since show_suggestions might
       // raise an exception if it tried to show a no longer existing list.
       // Lupo, 2008-01-20
       if (!hotcat_upload) hotcat_text_changed();
       hotcat_ok(hotcat_evtkeys (evt) & 1); // CTRL pressed?
     };
   list.style.display = "none" ;
 }

 var text = document.createElement ( "input" ) ;
 text.size = 40 ;
 text.id = "hotcat_text" ;
 text.type = "text" ;
 text.value = init_text ;
 text.onkeyup = function () { window.setTimeout("hotcat_text_changed();", JSconfig.keys['HotCatDelay'] ); } ;

 var exists = null;
 if (!hotcat_nosuggestions) {
   exists = document.createElement ( "img" ) ;
   exists.id = "hotcat_exists" ;
   exists.src = hotcat_exists_no ;
 }

 var OK = document.createElement ( "input" ) ;
 OK.type = "button" ;
 OK.value = hotcat_button_label ('wpOkUploadLbl', 'OK') ;
 OK.onclick = function (evt) { hotcat_ok (hotcat_evtkeys (evt) & 1); };

 var cancel = document.createElement ( "input" ) ;
 cancel.type = "button" ;
 cancel.value = hotcat_button_label ('wpCancelUploadLbl', 'Cancel') ;
 cancel.onclick = hotcat_cancel ;

 if (list != null) form.appendChild ( list ) ;
 form.appendChild ( text ) ;
 if (exists != null) form.appendChild ( exists ) ;
 form.appendChild ( OK ) ;
 form.appendChild ( cancel ) ;
 thespan.appendChild ( form ) ;
 text.focus () ;

}

function hotcat_ok (nocommit) {

 var text = document.getElementById ( "hotcat_text" ) ;
 var v = text.value || ""; 
 v = v.replace(/_/g, ' ').replace(/^\s\s*/, ).replace(/\s\s*$/, ); // Trim leading and trailing blanks

 // Empty category ?
 if (!v) {
   hotcat_cancel() ;
   return ;
 }

 // Get the links and the categories of the chosen category page
 var url = wgServer + wgScriptPath + '/api.php?action=query&titles='
         + encodeURIComponent ('Category:' + v)
         + '&prop=info|links|categories&plnamespace=14&format=json&callback=hotcat_json_resolve';
 var request = sajax_init_object() ;
 if (request == null) {
   //Oops! We don't have XMLHttp...
   hotcat_nosuggestions = true;
   hotcat_closeform (nocommit);
   hotcat_running = 0;
   return;
 }
 request.open ('GET', url, true);
 request.onreadystatechange =
   function () {
     if (request.readyState != 4) return;
     if (request.status != 200) {
       hotcat_closeform (nocommit);
     } else {
       var do_submit = eval (request.responseText);
       var txt = document.getElementById ('hotcat_text');
       if (do_submit) {
         hotcat_closeform (
            nocommit
           ,(txt && txt.value != v) ? " (redirect \[\[:Category:" + v + "|" + v + "\]\] resolved)" : null
         );
       }
     }
   };
 request.setRequestHeader ('Pragma', 'cache=yes');
 request.setRequestHeader ('Cache-Control', 'no-transform');
 request.send (null);

}

function hotcat_json_resolve (params) {

 function resolve (page)
 {
   var cats     = page.categories;
   var is_dab   = false;
   var is_redir = typeof (page.redirect) == 'string'; // Hard redirect?
   if (!is_redir && cats) {
     for (var c = 0; c < cats.length; c++) {
       var cat = cats[c]["title"];
       if (cat) cat = cat.substring (cat.indexOf (':') + 1); // Strip namespace prefix
       if (cat == 'Disambiguation') {
         is_dab = true; break;
       } else if (cat == 'Category_redirects' || cat == 'Category redirects') {
         is_redir = true; break;
       }
     }
   }
   if (!is_redir && !is_dab) return true;
   var lks = page.links;
   var titles = new Array ();
   for (i = 0; i < lks.length; i++) {
     if (   lks[i]["ns"] == 14                               // Category namespace
         && lks[i]["title"] && lks[i]["title"].length > 0) { // Name not empty
       // Internal link to existing thingy. Extract the page name.
       var match = lks[i]["title"];
       // Remove the category prefix
       match = match.substring (match.indexOf (':') + 1);
       titles.push (match);
       if (is_redir) break;
     }
   }
   if (titles.length > 1) {
     // Disambiguation page
     hotcat_show_suggestions (titles);
     return false;
   } else if (titles.length == 1) {
     var text = document.getElementById ("hotcat_text");
     if (text) text.value = titles[0];
   }
   return true;
 } // end local function resolve

 // We should have at most one page here
 for (var page in params.query.pages) return resolve (params.query.pages[page]);
 return true; // In case we have none.

}

function hotcat_closeform (nocommit, comment) {

 var text = document.getElementById ( "hotcat_text" ) ;
 var v = text.value || ""; 
 v = v.replace(/_/g, ' ').replace(/^\s\s*/, ).replace(/\s\s*$/, ); // Trim leading and trailing blanks
 if (!v                                                 // Empty
     || wgNamespaceNumber == 14 && v == wgTitle         // Self-reference
     || text.parentNode.parentNode.id != 'hotcat_add'   // Modifying, but
        && text.parentNode.parentNode.hotcat_name == v) //   name unchanged
 {
   hotcat_cancel ();
   return;
 }

 if (hotcat_upload) {
   hotcat_just_add (v) ; // Close the form
   return ;
 }
 var editlk = wgServer + wgScript + '?title=' + encodeURIComponent (wgPageName)
            + '&action=edit';
 var url = editlk + '&hotcat_newcat=' + encodeURIComponent( v ) ;

 // Editing existing?
 var span = text.parentNode.parentNode ; // span.form.text
 if ( span.id != "hotcat_add" ) { // Not plain "addition"   
   url += '&hotcat_removecat=' + encodeURIComponent (span.hotcat_name);
 }
 if (nocommit) url = url + '&hotcat_nocommit=1';
 if (comment) url = url + '&hotcat_comment=' + encodeURIComponent (comment);
 // Make the list disappear:
 var list = document.getElementById ( "hotcat_list" ) ;
 if (list) list.style.display = 'none';

 document.location = url ;

}

function hotcat_just_add ( text ) {

 var span = document.getElementById("hotcat_form") ;
 while ( span.tagName != "SPAN" ) span = span.parentNode ;
 var add = 0 ;
 if ( span.id == "hotcat_add" ) add = 1 ;
 span.id = "" ;
 while ( span.firstChild ) span.removeChild ( span.firstChild ) ;
 var na = document.createElement ( "a" ) ;
 na.href = wgArticlePath.split("$1").join("Category:" + encodeURI (text)) ;
 na.appendChild ( document.createTextNode ( text ) ) ;
 na.setAttribute ( "title" , "Category:" + text ) ;
 span.appendChild ( na ) ;
 var catline = getElementsByClassName ( document , "p" , "catlinks" ) [0] ;
 if ( add ) hotcat_append_add_span ( catline ) ;

 for ( var i = 0 ; i < span.parentNode.childNodes.length ; i++ ) {
   if ( span.parentNode.childNodes[i] != span ) continue ;
   hotcat_modify_span ( span , i ) ;
   break ;
 }

}

function hotcat_cancel () {

 var span = document.getElementById("hotcat_form").parentNode ;
 if ( span.id == "hotcat_add" ) {
   hotcat_create_span ( span ) ;
 } else {
   while ( span.firstChild.nextSibling ) span.removeChild ( span.firstChild.nextSibling ) ;
   span.firstChild.style.display = "" ;
   for ( var i = 0 ; i < span.parentNode.childNodes.length ; i++ ) {
     if ( span.parentNode.childNodes[i] != span ) continue ;
     hotcat_modify_span ( span , i ) ;
     break ;
   }
 }

}

function hotcat_text_changed () {

 if ( hotcat_running ) return ;
 var text = document.getElementById ( "hotcat_text" ) ;
 var v = text.value.ucFirst() ;
 if ( hotcat_last_v == v ) return ; // Nothing's changed...

 if (hotcat_nosuggestions) {
   // On IE, XMLHttp uses ActiveX, and the user may deny execution... just make sure
   // the list is not displayed.
   var list = document.getElementById ('hotcat_list');
   if (list != null) list.style.display = "none" ;
   var exists = document.getElementById ('hotcat_exists');
   if (exists != null) exists.style.display = "none" ;
   return;
 }

 hotcat_running = 1 ;
 hotcat_last_v = v ;

 if ( v != "" ) {
   var url = wgServer + wgScriptPath
           + "/api.php?format=xml&action=query&list=allpages&apnamespace=14&apfrom="
           + encodeURIComponent( v ) ;
   var request = sajax_init_object() ;
   if (request == null) {
     //Oops! We don't have XMLHttp...
     hotcat_nosuggestions = true;
     var list = document.getElementById ('hotcat_list');
     if (list != null) list.style.display = "none" ;
     var exists = document.getElementById ('hotcat_exists');
     if (exists != null) exists.style.display = "none" ;
     hotcat_running = 0;
     return;
   } 
   request.open('GET', url, true);
   request.onreadystatechange =
     function () {
       if (request.readyState == 4) {
         var xml = request.responseXML ;
         if ( xml == null ) return ;
         var pages = xml.getElementsByTagName( "p" ) ; // results are *with* namespace here
         var titles = new Array () ;
         for ( var i = 0 ; i < pages.length ; i++ ) {
           // Remove the namespace. No hardcoding of 'Category:', please, other Wikis may have
           // local names ("Kategorie:" on de-WP, for instance). Also don't break on category
           // names containing a colon
           var s = pages[i].getAttribute("title");
           s = s.substring (s.indexOf (':') + 1);
           if ( s.substr ( 0 , hotcat_last_v.length ) != hotcat_last_v ) break ;
           titles.push ( s ) ;
         }
         hotcat_show_suggestions ( titles ) ;
       }
     };
   request.setRequestHeader ('Pragma', 'cache=yes');
   request.setRequestHeader ('Cache-Control', 'no-transform');
   request.send(null);
 } else {
   hotcat_show_suggestions ( new Array () ) ;
 }
 hotcat_running = 0 ;

}

function hotcat_show_suggestions ( titles ) {

 var text = document.getElementById ( "hotcat_text" ) ;
 var list = document.getElementById ( "hotcat_list" ) ;
 var icon = document.getElementById ( "hotcat_exists" ) ;
 // Somehow, after a double click on the selection list, we still get here in IE, but
 // the list may no longer exist... Lupo, 2008-01-20
 if (list == null) return;
 if (hotcat_nosuggestions) {
   list.style.display = "none" ;
   if (icon != null) icon.style.display = "none";
   return;
 }
 if ( titles.length == 0 ) {
   list.style.display = "none" ;
   icon.src = hotcat_exists_no ;
   return ;
 }

 // Set list size to minimum of 5 and actual number of titles. Formerly was just 5.
 // Lupo, 2008-01-20
 list.size = (titles.length > 5 ? 5 : titles.length) ;
 // Avoid list height 1: double-click doesn't work in FF. Lupo, 2008-02-27
 if (list.size == 1) list.size = 2;
 list.style.align = "left" ;
 list.style.zIndex = 5 ;
 list.style.position = "absolute" ;

 // Was listh = titles.length * 20: that makes no sense if titles.length > list.size
 // Lupo, 2008-01-20
 var listh = list.size * 20;
 var nl = parseInt (text.offsetLeft) - 1 ;
 var nt = parseInt (text.offsetTop) - listh ;
 if (skin == 'nostalgia' || skin == 'cologneblue' || skin == 'standard') {
   // These three skins have the category line at the top of the page. Make the suggestions
   // appear *below* out input field.
   nt = parseInt (text.offsetTop) + parseInt (text.offsetHeight) + 3;
 }
 list.style.top = nt + "px" ;
 list.style.width = text.offsetWidth + "px" ;
 list.style.height = listh + "px" ;
 list.style.left = nl + "px" ;
 while ( list.firstChild ) list.removeChild ( list.firstChild ) ;
 for ( var i = 0 ; i < titles.length ; i++ ) {
   var opt = document.createElement ( "option" ) ;
   var ot = document.createTextNode ( titles[i] ) ;
   opt.appendChild ( ot ) ;
   //opt.value = titles[i] ;
   list.appendChild ( opt ) ;
 }

 icon.src = hotcat_exists_yes ;

 var nof_titles = titles.length;

 var first_title = titles.shift () ;
 var v = text.value.ucFirst() ;
 text.focus ();
 if ( first_title == v ) {
   if (nof_titles == 1) {
     // Only one result, and it's the same as whatever is in the input box: makes no sense
     // to show the list.
     list.style.display = 'none';
   }
   return ;
 }

 list.style.display = "block" ;

 // Put the first entry of the title list into the text field, and select the
 // new suffix such that it'll be overwritten if the user keeps typing.
 // ONLY do this if we have a way to select parts of the content of a text
 // field, otherwise, this is very annoying for the user. Note: IE does it
 // again differently from the two versions previously implemented.
 // Lupo, 2008-01-20
 // Only put first entry into the list if the user hasn't typed something 
 // conflicting yet Dschwen 2008-02-18
 if ( ( text.setSelectionRange ||
        text.createTextRange ||
        typeof (text.selectionStart) != 'undefined' &&
        typeof (text.selectionEnd) != 'undefined' ) &&
        v == first_title.substr(0,v.length) )
 {
   // taking hotcat_last_v was a major annoyance, 
   // since it constantly killed text that was typed in
   // _since_ the last AJAX request was fired! Dschwen 2008-02-18
   var nosel = v.length ;

   text.value = first_title ;

   if (text.setSelectionRange)      // e.g. khtml
     text.setSelectionRange (nosel, first_title.length);
   else if (text.createTextRange) { // IE
     var new_selection = text.createTextRange();
     new_selection.move ("character", nosel);
     new_selection.moveEnd ("character", first_title.length - nosel);
     new_selection.select();
   } else {
     text.selectionStart = nosel;
     text.selectionEnd   = first_title.length;
   }
 }

}

function hotcat_get_state () {

 var cats = document.getElementById ('catlinks');
 if (cats == null) return "";
 var result = null;
 cats = cats.getElementsByTagName ('span') ;
 for (var i = 0; i < cats.length; i++ ) {
   var text = cats[i].hotcat_name;
   if (text) {
     if (result == null)
       result = text;
     else
       result = result + '\n' + text;
   }
 }
 return result;

}

function hotcat_set_state (state) {

 var cats = state.split ('\n');
 if (cats.length == 0) return null;
 var parent = document.getElementById ('catlinks');
 if (parent == null) return state;
 // HotCat uses a 'p' element inside the 'div' to wrap its spans...
 parent = parent.firstChild;
 if (parent == null || parent.className != 'catlinks') return state;
 var n = (parent.childNodes ? parent.childNodes.length - 1 : 0);
 if (n < 0) n = 0;
 var before = parent.lastChild;
 for (var i = 0; i < cats.length; i++) {
   if (cats[i].length > 0) {
     var lk = document.createElement ('a');
     lk.href = wgArticlePath.split ('$1').join ('Category:' + encodeURI (cats[i]));
     lk.appendChild (document.createTextNode (cats[i]));
     lk.setAttribute ('title', cats[i]);
     var span = document.createElement ('span');
     span.appendChild (lk);
     parent.insertBefore (span, before);
     if (before != null) parent.insertBefore (document.createTextNode (' | '), before);
     hotcat_modify_span (span, n++);
   }
 }
 return null;

}

addOnloadHook ( hotcat ) ;

//</source>

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