1 // Wikipedia JavaScript support functions
3 // if this is true, the toolbar will no longer overwrite the infobox when you move the mouse over individual items
6 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
7 var is_gecko = ((clientPC.indexOf('gecko')!=-1) && (clientPC.indexOf('spoofer')==-1)
8 && (clientPC.indexOf('khtml') == -1) && (clientPC.indexOf('netscape/7.0')==-1));
9 var is_safari = ((clientPC.indexOf('AppleWebKit')!=-1) && (clientPC.indexOf('spoofer')==-1));
10 var is_khtml = (navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled ));
11 if (clientPC.indexOf('opera')!=-1) {
15 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
16 function onloadhook () {
17 // don't run anything below this for non-dom browsers
18 if(!(document.getElementById && document.getElementsByTagName)) return;
23 if (window.addEventListener) window.addEventListener("load",onloadhook,false);
24 else if (window.attachEvent) window.attachEvent("onload",onloadhook);
27 // document.write special stylesheet links
28 function addcss ( stylepath ) {
32 // Un-trap us from framesets
33 if( window.top != window ) window.top.location = window.location;
35 // for enhanced RecentChanges
36 function toggleVisibility( _levelId, _otherId, _linkId) {
37 var thisLevel = document.getElementById( _levelId );
38 var otherLevel = document.getElementById( _otherId );
39 var linkLevel = document.getElementById( _linkId );
40 if ( thisLevel.style.display == 'none' ) {
41 thisLevel.style.display = 'block';
42 otherLevel.style.display = 'none';
43 linkLevel.style.display = 'inline';
45 thisLevel.style.display = 'none';
46 otherLevel.style.display = 'inline';
47 linkLevel.style.display = 'none';
52 // attach event handlers to the input elements on history page
53 function histrowinit () {
54 hf = document.getElementById('pagehistory');
56 lis = hf.getElementsByTagName('LI');
57 for (i=0;i<lis.length;i++) {
58 inputs=lis[i].getElementsByTagName('INPUT');
59 if(inputs[0] && inputs[1]) {
60 inputs[0].onclick = diffcheck;
61 inputs[1].onclick = diffcheck;
66 // check selection and tweak visibility/class onclick
67 function diffcheck() {
68 var dli = false; // the li where the diff radio is checked
69 var oli = false; // the li where the oldid radio is checked
70 hf = document.getElementById('pagehistory');
72 lis = hf.getElementsByTagName('LI');
73 for (i=0;i<lis.length;i++) {
74 inputs=lis[i].getElementsByTagName('INPUT');
75 if(inputs[1] && inputs[0]) {
76 if(inputs[1].checked || inputs[0].checked) { // this row has a checked radio button
77 if(inputs[1].checked && inputs[0].checked && inputs[0].value == inputs[1].value) return false;
78 if(oli) { // it's the second checked radio
79 if(inputs[1].checked) {
80 oli.className = "selected";
83 } else if (inputs[0].checked) {
86 if(inputs[0].checked) dli = lis[i];
87 if(!oli) inputs[0].style.visibility = 'hidden';
88 if(dli) inputs[1].style.visibility = 'hidden';
89 lis[i].className = "selected";
91 } else { // no radio is checked in this row
92 if(!oli) inputs[0].style.visibility = 'hidden';
93 else inputs[0].style.visibility = 'visible';
94 if(dli) inputs[1].style.visibility = 'hidden';
95 else inputs[1].style.visibility = 'visible';
96 lis[i].className = "";
102 // generate toc from prefs form, fold sections
103 // XXX: needs testing on IE/Mac and safari
104 // more comments to follow
105 function tabbedprefs() {
106 prefform = document.getElementById('preferences');
107 if(!prefform || !document.createElement) return;
108 prefform.className = prefform.className + 'jsprefs';
109 var sections = new Array();
110 children = prefform.childNodes;
112 for(i=0;i<children.length;i++) {
113 if(children[i].nodeName.indexOf('FIELDSET') != -1) {
114 children[i].id = 'prefsection-' + seci;
115 children[i].className = 'prefsection';
116 if(is_opera || is_khtml) children[i].className = 'prefsection operaprefsection';
117 legends = children[i].getElementsByTagName('LEGEND');
118 sections[seci] = new Object();
119 if(legends[0] && legends[0].firstChild.nodeValue)
120 sections[seci].text = legends[0].firstChild.nodeValue;
122 sections[seci].text = '# ' + seci;
123 sections[seci].secid = children[i].id;
125 if(sections.length != 1) children[i].style.display = 'none';
126 else var selectedid = children[i].id;
129 var toc = document.createElement('UL');
131 toc.selectedid = selectedid;
132 for(i=0;i<sections.length;i++) {
133 var li = document.createElement('LI');
134 if(i == 0) li.className = 'selected';
135 var a = document.createElement('A');
136 a.href = '#' + sections[i].secid;
137 a.onclick = uncoversection;
138 a.innerHTML = sections[i].text;
139 a.secid = sections[i].secid;
143 prefform.insertBefore(toc, children[0]);
144 document.getElementById('prefsubmit').id = 'prefcontrol';
146 function uncoversection() {
147 oldsecid = this.parentNode.parentNode.selectedid;
148 newsec = document.getElementById(this.secid);
149 if(oldsecid != this.secid) {
150 ul = document.getElementById('preftoc');
151 document.getElementById(oldsecid).style.display = 'none';
152 newsec.style.display = 'block';
153 ul.selectedid = this.secid;
154 lis = ul.getElementsByTagName('LI');
155 for(i=0;i< lis.length;i++) {
156 lis[i].className = '';
158 this.parentNode.className = 'selected';
164 // tz in format [+-]HHMM
165 function checkTimezone( tz, msg ) {
166 var localclock = new Date();
167 // returns negative offset from GMT in minutes
168 var tzRaw = localclock.getTimezoneOffset();
169 var tzHour = Math.floor( Math.abs(tzRaw) / 60);
170 var tzMin = Math.abs(tzRaw) % 60;
171 var tzString = ((tzRaw >= 0) ? "-" : "+") + ((tzHour < 10) ? "0" : "") + tzHour + ((tzMin < 10) ? "0" : "") + tzMin;
172 if( tz != tzString ) {
173 var junk = msg.split( '$1' );
174 document.write( junk[0] + "UTC" + tzString + junk[1] );
177 function unhidetzbutton() {
178 tzb = document.getElementById('guesstimezonebutton')
179 if(tzb) tzb.style.display = 'inline';
182 // in [-]HH:MM format...
183 // won't yet work with non-even tzs
184 function fetchTimezone() {
185 // FIXME: work around Safari bug
186 var localclock = new Date();
187 // returns negative offset from GMT in minutes
188 var tzRaw = localclock.getTimezoneOffset();
189 var tzHour = Math.floor( Math.abs(tzRaw) / 60);
190 var tzMin = Math.abs(tzRaw) % 60;
191 var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour +
192 ":" + ((tzMin < 10) ? "0" : "") + tzMin;
196 function guessTimezone(box) {
197 document.preferences.wpHourDiff.value = fetchTimezone();
200 function showTocToggle(show,hide) {
201 if (document.getElementById) {
202 document.writeln('<span class=\'toctoggle\'>[<a href="javascript:toggleToc()" class="internal">' +
203 '<span id="showlink" style="display:none;">' + show + '</span>' +
204 '<span id="hidelink">' + hide + '</span>'
210 function toggleToc() {
211 var toc = document.getElementById('tocinside');
212 var showlink=document.getElementById('showlink');
213 var hidelink=document.getElementById('hidelink');
214 if(toc.style.display == 'none') {
215 toc.style.display = tocWas;
216 hidelink.style.display='';
217 showlink.style.display='none';
220 tocWas = toc.style.display;
221 toc.style.display = 'none';
222 hidelink.style.display='none';
223 showlink.style.display='';
228 function escapeQuotes(text) {
229 var re=new RegExp("'","g");
230 text=text.replace(re,"\\'");
231 re=new RegExp('"',"g");
232 text=text.replace(re,'"');
233 re=new RegExp("\\n","g");
234 text=text.replace(re,"\\n");
238 // apply tagOpen/tagClose to selection in textarea,
239 // use sampleText instead of selection if there is none
240 // copied and adapted from phpBB
241 function insertTags(tagOpen, tagClose, sampleText) {
243 var txtarea = document.editform.wpTextbox1;
245 if(document.selection && !is_gecko) {
246 var theSelection = document.selection.createRange().text;
247 if(!theSelection) { theSelection=sampleText;}
249 if(theSelection.charAt(theSelection.length - 1) == " "){// exclude ending space char, if any
250 theSelection = theSelection.substring(0, theSelection.length - 1);
251 document.selection.createRange().text = tagOpen + theSelection + tagClose + " ";
253 document.selection.createRange().text = tagOpen + theSelection + tagClose;
257 } else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
258 var startPos = txtarea.selectionStart;
259 var endPos = txtarea.selectionEnd;
260 var scrollTop=txtarea.scrollTop;
261 var myText = (txtarea.value).substring(startPos, endPos);
262 if(!myText) { myText=sampleText;}
263 if(myText.charAt(myText.length - 1) == " "){ // exclude ending space char, if any
264 subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " ";
266 subst = tagOpen + myText + tagClose;
268 txtarea.value = txtarea.value.substring(0, startPos) + subst +
269 txtarea.value.substring(endPos, txtarea.value.length);
272 var cPos=startPos+(tagOpen.length+myText.length+tagClose.length);
273 txtarea.selectionStart=cPos;
274 txtarea.selectionEnd=cPos;
275 txtarea.scrollTop=scrollTop;
279 var copy_alertText=alertText;
280 var re1=new RegExp("\\$1","g");
281 var re2=new RegExp("\\$2","g");
282 copy_alertText=copy_alertText.replace(re1,sampleText);
283 copy_alertText=copy_alertText.replace(re2,tagOpen+sampleText+tagClose);
286 text=prompt(copy_alertText);
290 if(!text) { text=sampleText;}
291 text=tagOpen+text+tagClose;
292 document.infoform.infobox.value=text;
293 // in Safari this causes scrolling
299 // reposition cursor if possible
300 if (txtarea.createTextRange) txtarea.caretPos = document.selection.createRange().duplicate();