MediaWiki:Gadget-HotCat.js
Материал из ЭНЭ
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//<pre><nowiki> addOnloadHook ( hotcat ) ; 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 = 1; 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_xmlhttp = null; 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++ ) { var a = cats[i].getElementsByTagName("a")[0] ; if ( a.getAttribute ( "title" ) != text ) continue ; 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 ; hotcat_upload = 1 ; var ip = document.getElementById ( "wpWatchthis" ) ; 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 (UploadForm) != 'undefined' && typeof (UploadForm.getLabel) == 'function') { try { label = UploadForm.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.appendChild (document.createTextNode (":")); } 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"; np.className = "catlinks" ; catline.appendChild ( np ) ; ntd.appendChild ( catline ) ; ntr.appendChild ( ntde ) ; ntr.appendChild ( ntd ) ; tr.parentNode.insertBefore ( ntr , tr.nextSibling ) ; // Add handler for submit (changed by Lupo, 2008-01-18) var form = document.getElementById ('upload'); hotcat_old_onsubmit = form.onsubmit; form.onsubmit =hotcat_on_upload; //var sub = document.getElementsByName("wpUpload")[0] ; //sub.onclick = hotcat_on_upload ; //sub.type = "button" ; } 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 a = cats[i].getElementsByTagName("a")[0] ; var t = a.innerHTML ; if ( t == "" || t == "(+)" ) continue ; eb.value += "\n[[Category:" + t + "]]" ; } return true; //var sub = document.getElementsByName("wpUpload")[0] ; //sub.onclick = "" ; //sub.type = "submit" ; //sub.click(); } function hotcat () { JSconfig.registerKey('HotCatDelay', 100, 'HotCat autocompletion delay (ms):', 5); if ( hotcat_check_action() ) return ; // Edited page, reloading anyway hotcat_check_upload () ; var catline = getElementsByClassName ( document , "p" , "catlinks" ) [0] ; if ( catline == null || typeof catline == 'undefined' ) return ; // do not add interface to protected pages, if user has no edit permission if( document.getElementById('ca-viewsource' ) != null ) return; hotcat_modify_existing ( catline ) ; hotcat_append_add_span ( catline ) ; } function hotcat_append_add_span ( catline ) { var span_add = document.createElement ( "span" ) ; var span_sep = document.createTextNode ( " | " ) ; if ( catline.firstChild ) catline.appendChild ( span_sep ) ; 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() ; 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" ) ; var sep1 = document.createTextNode ( " " ) ; var a1 = document.createTextNode ( "(-)" ) ; var remove_link = document.createElement ( "a" ) ; remove_link.href = "javascript:hotcat_remove(\"" + encodeURIComponent( cat_title ) + "\");" ; 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 ) ; } 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_remove ( cat_title ) { if ( hotcat_upload ) { hotcat_remove_upload ( cat_title ) ; return ; } var editlk = document.getElementById('ca-edit').getElementsByTagName('a')[0].href; document.location = editlk + '&hotcat_removecat=' + cat_title ; } 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 decodeURI(m[1]); } catch (someError) {} } return null; } function hotcat_check_action () { var ret = 0 ; if ( wgAction != "edit" ) return ret ; // Not an edit page, so no business... var summary = new Array () ; var t = document.editform.wpTextbox1.value ; var prevent_autocommit = 0 ; if ( typeof hotcat_no_autocommit != "undefined" ) prevent_autocommit = 1 ; // if ( hotcat_no_autocommit ) prevent_autocommit = 1 ; // Remove existing category? var hrc = hotcatGetParamValue('hotcat_removecat') ; if ( typeof hrc != "undefined" && hrc != null && hrc != "" ) { var tl = t.toLowerCase() ; var hrcl = "[[" + hrc.toLowerCase() ; var tn = tl.split ( hrcl ) ; if ( tn.length == 2 ) { // Found one occurrence of the category - good! var l1 = tn.shift().length ; var t1 = t.substr ( 0 , l1 ) ; var t2 = t.substr ( l1 + hrcl.length ) ; t2 = t2.split("]]") ; t2.shift() ; t2 = t2.join ( "]]" ) ; t = t1.replace(/\s+$/,"") + "\n" + t2.replace(/^\s+/,"") ; // Trying to remove whitespace summary.push ( "Removed \"" + hrc + "\"" ) ; ret = 1 ; } else { alert ( "Did not find a unique occurrence of \"" + hrc + "\" - maybe it is in a template?" ) ; prevent_autocommit = 1 ; } } // Add new category? var hnc = hotcatGetParamValue('hotcat_newcat') ; if ( typeof hnc != "undefined" && hnc != null && hnc != "" ) { var txt = "[[Category:" + hnc + "]]" ; t = t + '\n' + txt ; summary.push ( "Quick-adding category \"" + hnc + "\"" ) ; var t2 = t.split("{{uncat}}").join("") ; t2 = t2.split("{{Uncat}}").join("") ; if ( t2 != t ) { t = t2 ; summary.push ( "removed {{uncat}}" ) ; } 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 ) { document.getElementById("bodyContent").style.display = "none" ; // Hiding the entire edit section so as not to tempt the user into editing... document.editform.wpSave.click(); } } // This is the end, my friend, the end... 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.firstChild.firstChild.data ; 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_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 () { 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(); }; 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 = "OK" ; OK.onclick = hotcat_ok ; var cancel = document.createElement ( "input" ) ; cancel.type = "button" ; cancel.value = "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 () { var text = document.getElementById ( "hotcat_text" ) ; var v = text.value ; // Empty category ? if ( v == "" ) { hotcat_cancel() ; return ; } // Special:Upload ? if ( hotcat_upload ) { hotcat_just_add ( text.value ) ; return ; } var editlk = document.getElementById('ca-edit').getElementsByTagName('a')[0].href; 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" var cat_title = span.firstChild.getAttribute ( "title" ) ; url += '&hotcat_removecat=' + cat_title ; } 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:" + encodeURIComponent( text )) ; na.appendChild ( document.createTextNode ( text ) ) ; na.setAttribute ( "title" , 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 ) ; if (hotcat_xmlhttp != null) { hotcat_xmlhttp.abort() ; // Just to make sure... delete hotcat_xmlhttp; } hotcat_xmlhttp = sajax_init_object() ; if (hotcat_xmlhttp == 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; } hotcat_xmlhttp.open('GET', url, true); hotcat_xmlhttp.onreadystatechange = function () { if ( typeof hotcat_xmlhttp == "undefined" ) return ; if (hotcat_xmlhttp.readyState == 4) { var xml = hotcat_xmlhttp.responseXML ; if ( xml == null ) return ; var pages = xml.getElementsByTagName( "p" ) ; var titles = new Array () ; for ( var i = 0 ; i < pages.length ; i++ ) { var s = pages[i].getAttribute("title").split(":",2).pop() ; if ( s.substr ( 0 , hotcat_last_v.length ) != hotcat_last_v ) break ; titles.push ( s ) ; } hotcat_show_suggestions ( titles ) ; } }; hotcat_xmlhttp.send(null); } else { var titles = new Array () ; hotcat_show_suggestions ( titles ) ; } 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) ; 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.parentNode.offsetLeft) - 1 ; var nt = parseInt (text.offsetTop) - listh ; 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 ) ; } list.style.display = "block" ; icon.src = hotcat_exists_yes ; var first_title = titles.shift () ; if ( first_title == hotcat_last_v ) return ; // 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 if (text.setSelectionRange || text.createTextRange || typeof (text.selectionStart) != 'undefined' && typeof (text.selectionEnd) != 'undefined') { var nosel = hotcat_last_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; } } } //</pre></nowiki>