1 // Wikipedia JavaScript support functions
2 // if this is true, the toolbar will no longer overwrite the infobox when you move the mouse over individual items
5 var clientPC
= navigator
.userAgent
.toLowerCase(); // Get client info
6 var is_gecko
= ((clientPC
.indexOf('gecko')!=-1) && (clientPC
.indexOf('spoofer')==-1)
7 && (clientPC
.indexOf('khtml') == -1) && (clientPC
.indexOf('netscape/7.0')==-1));
8 var is_safari
= ((clientPC
.indexOf('AppleWebKit')!=-1) && (clientPC
.indexOf('spoofer')==-1));
9 var is_khtml
= (navigator
.vendor
== 'KDE' || ( document
.childNodes
&& !document
.all
&& !navigator
.taintEnabled
));
10 if (clientPC
.indexOf('opera')!=-1) {
12 var is_opera_preseven
= (window
.opera
&& !document
.childNodes
);
13 var is_opera_seven
= (window
.opera
&& document
.childNodes
);
16 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
17 function onloadhook () {
18 // don't run anything below this for non-dom browsers
19 if(!(document
.getElementById
&& document
.getElementsByTagName
)) return;
25 if (window
.addEventListener
) window
.addEventListener("load",onloadhook
,false);
26 else if (window
.attachEvent
) window
.attachEvent("onload",onloadhook
);
29 // document.write special stylesheet links
30 if(typeof stylepath
!= 'undefined' && typeof skin
!= 'undefined') {
31 if (is_opera_preseven
) {
32 document
.write('<link rel="stylesheet" type="text/css" href="'+stylepath
+'/'+skin
+'/Opera6Fixes.css">');
33 } else if (is_opera_seven
) {
34 document
.write('<link rel="stylesheet" type="text/css" href="'+stylepath
+'/'+skin
+'/Opera7Fixes.css">');
35 } else if (is_khtml
) {
36 document
.write('<link rel="stylesheet" type="text/css" href="'+stylepath
+'/'+skin
+'/KHTMLFixes.css">');
39 // Un-trap us from framesets
40 if( window
.top
!= window
) window
.top
.location
= window
.location
;
42 // for enhanced RecentChanges
43 function toggleVisibility( _levelId
, _otherId
, _linkId
) {
44 var thisLevel
= document
.getElementById( _levelId
);
45 var otherLevel
= document
.getElementById( _otherId
);
46 var linkLevel
= document
.getElementById( _linkId
);
47 if ( thisLevel
.style
.display
== 'none' ) {
48 thisLevel
.style
.display
= 'block';
49 otherLevel
.style
.display
= 'none';
50 linkLevel
.style
.display
= 'inline';
52 thisLevel
.style
.display
= 'none';
53 otherLevel
.style
.display
= 'inline';
54 linkLevel
.style
.display
= 'none';
59 // attach event handlers to the input elements on history page
60 function histrowinit () {
61 hf
= document
.getElementById('pagehistory');
63 lis
= hf
.getElementsByTagName('li');
64 for (i
=0;i
<lis
.length
;i
++) {
65 inputs
=lis
[i
].getElementsByTagName('input');
66 if(inputs
[0] && inputs
[1]) {
67 inputs
[0].onclick
= diffcheck
;
68 inputs
[1].onclick
= diffcheck
;
73 // check selection and tweak visibility/class onclick
74 function diffcheck() {
75 var dli
= false; // the li where the diff radio is checked
76 var oli
= false; // the li where the oldid radio is checked
77 hf
= document
.getElementById('pagehistory');
79 lis
= hf
.getElementsByTagName('li');
80 for (i
=0;i
<lis
.length
;i
++) {
81 inputs
=lis
[i
].getElementsByTagName('input');
82 if(inputs
[1] && inputs
[0]) {
83 if(inputs
[1].checked
|| inputs
[0].checked
) { // this row has a checked radio button
84 if(inputs
[1].checked
&& inputs
[0].checked
&& inputs
[0].value
== inputs
[1].value
) return false;
85 if(oli
) { // it's the second checked radio
86 if(inputs
[1].checked
) {
87 oli
.className
= "selected";
90 } else if (inputs
[0].checked
) {
93 if(inputs
[0].checked
) dli
= lis
[i
];
94 if(!oli
) inputs
[0].style
.visibility
= 'hidden';
95 if(dli
) inputs
[1].style
.visibility
= 'hidden';
96 lis
[i
].className
= "selected";
98 } else { // no radio is checked in this row
99 if(!oli
) inputs
[0].style
.visibility
= 'hidden';
100 else inputs
[0].style
.visibility
= 'visible';
101 if(dli
) inputs
[1].style
.visibility
= 'hidden';
102 else inputs
[1].style
.visibility
= 'visible';
103 lis
[i
].className
= "";
109 // generate toc from prefs form, fold sections
110 // XXX: needs testing on IE/Mac and safari
111 // more comments to follow
112 function tabbedprefs() {
113 prefform
= document
.getElementById('preferences');
114 if(!prefform
|| !document
.createElement
) return;
115 if(prefform
.nodeName
.toLowerCase() == 'a') return; // Occasional IE problem
116 prefform
.className
= prefform
.className
+ 'jsprefs';
117 var sections
= new Array();
118 children
= prefform
.childNodes
;
120 for(i
=0;i
<children
.length
;i
++) {
121 if(children
[i
].nodeName
.toLowerCase().indexOf('fieldset') != -1) {
122 children
[i
].id
= 'prefsection-' + seci
;
123 children
[i
].className
= 'prefsection';
124 if(is_opera
|| is_khtml
) children
[i
].className
= 'prefsection operaprefsection';
125 legends
= children
[i
].getElementsByTagName('legend');
126 sections
[seci
] = new Object();
127 if(legends
[0] && legends
[0].firstChild
.nodeValue
)
128 sections
[seci
].text
= legends
[0].firstChild
.nodeValue
;
130 sections
[seci
].text
= '# ' + seci
;
131 sections
[seci
].secid
= children
[i
].id
;
133 if(sections
.length
!= 1) children
[i
].style
.display
= 'none';
134 else var selectedid
= children
[i
].id
;
137 var toc
= document
.createElement('ul');
139 toc
.selectedid
= selectedid
;
140 for(i
=0;i
<sections
.length
;i
++) {
141 var li
= document
.createElement('li');
142 if(i
== 0) li
.className
= 'selected';
143 var a
= document
.createElement('a');
144 a
.href
= '#' + sections
[i
].secid
;
145 a
.onclick
= uncoversection
;
146 a
.appendChild(document
.createTextNode(sections
[i
].text
));
147 a
.secid
= sections
[i
].secid
;
151 prefform
.insertBefore(toc
, children
[0]);
152 document
.getElementById('prefsubmit').id
= 'prefcontrol';
154 function uncoversection() {
155 oldsecid
= this.parentNode
.parentNode
.selectedid
;
156 newsec
= document
.getElementById(this.secid
);
157 if(oldsecid
!= this.secid
) {
158 ul
= document
.getElementById('preftoc');
159 document
.getElementById(oldsecid
).style
.display
= 'none';
160 newsec
.style
.display
= 'block';
161 ul
.selectedid
= this.secid
;
162 lis
= ul
.getElementsByTagName('li');
163 for(i
=0;i
< lis
.length
;i
++) {
164 lis
[i
].className
= '';
166 this.parentNode
.className
= 'selected';
172 // tz in format [+-]HHMM
173 function checkTimezone( tz
, msg
) {
174 var localclock
= new Date();
175 // returns negative offset from GMT in minutes
176 var tzRaw
= localclock
.getTimezoneOffset();
177 var tzHour
= Math
.floor( Math
.abs(tzRaw
) / 60);
178 var tzMin
= Math
.abs(tzRaw
) % 60;
179 var tzString
= ((tzRaw
>= 0) ? "-" : "+") + ((tzHour
< 10) ? "0" : "") + tzHour
+ ((tzMin
< 10) ? "0" : "") + tzMin
;
180 if( tz
!= tzString
) {
181 var junk
= msg
.split( '$1' );
182 document
.write( junk
[0] + "UTC" + tzString
+ junk
[1] );
185 function unhidetzbutton() {
186 tzb
= document
.getElementById('guesstimezonebutton')
187 if(tzb
) tzb
.style
.display
= 'inline';
190 // in [-]HH:MM format...
191 // won't yet work with non-even tzs
192 function fetchTimezone() {
193 // FIXME: work around Safari bug
194 var localclock
= new Date();
195 // returns negative offset from GMT in minutes
196 var tzRaw
= localclock
.getTimezoneOffset();
197 var tzHour
= Math
.floor( Math
.abs(tzRaw
) / 60);
198 var tzMin
= Math
.abs(tzRaw
) % 60;
199 var tzString
= ((tzRaw
>= 0) ? "-" : "") + ((tzHour
< 10) ? "0" : "") + tzHour
+
200 ":" + ((tzMin
< 10) ? "0" : "") + tzMin
;
204 function guessTimezone(box
) {
205 document
.preferences
.wpHourDiff
.value
= fetchTimezone();
208 function showTocToggle() {
209 if (document
.createTextNode
) {
210 // Uses DOM calls to avoid document.write + XHTML issues
212 var linkHolder
= document
.getElementById('toctitle')
213 if (!linkHolder
) return;
215 var outerSpan
= document
.createElement('span');
216 outerSpan
.className
= 'toctoggle';
218 var toggleLink
= document
.createElement('a');
219 toggleLink
.id
= 'togglelink';
220 toggleLink
.className
= 'internal';
221 toggleLink
.href
= 'javascript:toggleToc()';
222 toggleLink
.appendChild(document
.createTextNode(tocHideText
));
224 outerSpan
.appendChild(document
.createTextNode('['));
225 outerSpan
.appendChild(toggleLink
);
226 outerSpan
.appendChild(document
.createTextNode(']'));
228 linkHolder
.appendChild(document
.createTextNode(' '));
229 linkHolder
.appendChild(outerSpan
);
231 var cookiePos
= document
.cookie
.indexOf("hidetoc=");
232 if (cookiePos
> -1 && document
.cookie
.charAt(cookiePos
+ 8) == 1)
237 function changeText(el
, newText
) {
238 // Safari work around
240 el
.innerText
= newText
;
241 else if (el
.firstChild
&& el
.firstChild
.nodeValue
)
242 el
.firstChild
.nodeValue
= newText
;
245 function toggleToc() {
246 var toc
= document
.getElementById('toc').getElementsByTagName('ul')[0];
247 var toggleLink
= document
.getElementById('togglelink')
249 if(toc
&& toggleLink
&& toc
.style
.display
== 'none') {
250 changeText(toggleLink
, tocHideText
);
251 toc
.style
.display
= 'block';
252 document
.cookie
= "hidetoc=0";
254 changeText(toggleLink
, tocShowText
);
255 toc
.style
.display
= 'none';
256 document
.cookie
= "hidetoc=1";
260 // this function generates the actual toolbar buttons with localized text
261 // we use it to avoid creating the toolbar where javascript is not enabled
262 function addButton(imageFile
, speedTip
, tagOpen
, tagClose
, sampleText
) {
264 speedTip
=escapeQuotes(speedTip
);
265 tagOpen
=escapeQuotes(tagOpen
);
266 tagClose
=escapeQuotes(tagClose
);
267 sampleText
=escapeQuotes(sampleText
);
270 // we can't change the selection, so we show example texts
271 // when moving the mouse instead, until the first button is clicked
272 if(!document
.selection
&& !is_gecko
) {
273 // filter backslashes so it can be shown in the infobox
274 var re
=new RegExp("\\\\n","g");
275 tagOpen
=tagOpen
.replace(re
,"");
276 tagClose
=tagClose
.replace(re
,"");
277 mouseOver
= "onMouseover=\"if(!noOverwrite){document.infoform.infobox.value='"+tagOpen
+sampleText
+tagClose
+"'};\"";
280 document
.write("<a href=\"javascript:insertTags");
281 document
.write("('"+tagOpen
+"','"+tagClose
+"','"+sampleText
+"');\">");
283 document
.write("<img width=\"23\" height=\"22\" src=\""+imageFile
+"\" border=\"0\" alt=\""+speedTip
+"\" title=\""+speedTip
+"\""+mouseOver
+">");
284 document
.write("</a>");
288 function addInfobox(infoText
,text_alert
) {
289 alertText
=text_alert
;
290 var clientPC
= navigator
.userAgent
.toLowerCase(); // Get client info
292 var re
=new RegExp("\\\\n","g");
293 alertText
=alertText
.replace(re
,"\n");
295 // if no support for changing selection, add a small copy & paste field
296 // document.selection is an IE-only property. The full toolbar works in IE and
297 // Gecko-based browsers.
298 if(!document
.selection
&& !is_gecko
) {
299 infoText
=escapeQuotesHTML(infoText
);
300 document
.write("<form name='infoform' id='infoform'>"+
301 "<input size=80 id='infobox' name='infobox' value=\""+
302 infoText
+"\" readonly='readonly'></form>");
307 function escapeQuotes(text
) {
308 var re
=new RegExp("'","g");
309 text
=text
.replace(re
,"\\'");
310 re
=new RegExp('"',"g");
311 text
=text
.replace(re
,'"');
312 re
=new RegExp("\\n","g");
313 text
=text
.replace(re
,"\\n");
317 function escapeQuotesHTML(text
) {
318 var re
=new RegExp('"',"g");
319 text
=text
.replace(re
,""");
323 // apply tagOpen/tagClose to selection in textarea,
324 // use sampleText instead of selection if there is none
325 // copied and adapted from phpBB
326 function insertTags(tagOpen
, tagClose
, sampleText
) {
328 var txtarea
= document
.editform
.wpTextbox1
;
330 if(document
.selection
&& !is_gecko
) {
331 var theSelection
= document
.selection
.createRange().text
;
332 if(!theSelection
) { theSelection
=sampleText
;}
334 if(theSelection
.charAt(theSelection
.length
- 1) == " "){// exclude ending space char, if any
335 theSelection
= theSelection
.substring(0, theSelection
.length
- 1);
336 document
.selection
.createRange().text
= tagOpen
+ theSelection
+ tagClose
+ " ";
338 document
.selection
.createRange().text
= tagOpen
+ theSelection
+ tagClose
;
342 } else if(txtarea
.selectionStart
|| txtarea
.selectionStart
== '0') {
343 var startPos
= txtarea
.selectionStart
;
344 var endPos
= txtarea
.selectionEnd
;
345 var scrollTop
=txtarea
.scrollTop
;
346 var myText
= (txtarea
.value
).substring(startPos
, endPos
);
347 if(!myText
) { myText
=sampleText
;}
348 if(myText
.charAt(myText
.length
- 1) == " "){ // exclude ending space char, if any
349 subst
= tagOpen
+ myText
.substring(0, (myText
.length
- 1)) + tagClose
+ " ";
351 subst
= tagOpen
+ myText
+ tagClose
;
353 txtarea
.value
= txtarea
.value
.substring(0, startPos
) + subst
+
354 txtarea
.value
.substring(endPos
, txtarea
.value
.length
);
357 var cPos
=startPos
+(tagOpen
.length
+myText
.length
+tagClose
.length
);
358 txtarea
.selectionStart
=cPos
;
359 txtarea
.selectionEnd
=cPos
;
360 txtarea
.scrollTop
=scrollTop
;
364 var copy_alertText
=alertText
;
365 var re1
=new RegExp("\\$1","g");
366 var re2
=new RegExp("\\$2","g");
367 copy_alertText
=copy_alertText
.replace(re1
,sampleText
);
368 copy_alertText
=copy_alertText
.replace(re2
,tagOpen
+sampleText
+tagClose
);
371 text
=prompt(copy_alertText
);
375 if(!text
) { text
=sampleText
;}
376 text
=tagOpen
+text
+tagClose
;
377 document
.infoform
.infobox
.value
=text
;
378 // in Safari this causes scrolling
384 // reposition cursor if possible
385 if (txtarea
.createTextRange
) txtarea
.caretPos
= document
.selection
.createRange().duplicate();
389 if(typeof ta
== "undefined" || !ta
) return;
391 if(is_safari
|| navigator
.userAgent
.toLowerCase().indexOf( 'mac' ) + 1 ) pref
= 'control-';
392 if(is_opera
) pref
= 'shift-esc-';
394 n
= document
.getElementById(id
);
398 if(ta
[id
][0].length
> 0) {
399 a
.accessKey
= ta
[id
][0];
400 ak
= ' ['+pref
+ta
[id
][0]+']';
404 a
.title
= ta
[id
][1]+ak
;
406 if(ta
[id
][0].length
> 0) {
407 n
.accessKey
= ta
[id
][0];
408 ak
= ' ['+pref
+ta
[id
][0]+']';
412 n
.title
= ta
[id
][1]+ak
;
418 function setupRightClickEdit() {
419 if( document
.getElementsByTagName
) {
420 var divs
= document
.getElementsByTagName( 'div' );
421 for( var i
= 0; i
< divs
.length
; i
++ ) {
423 if( el
.className
== 'editsection' ) {
424 addRightClickEditHandler( el
);
430 function addRightClickEditHandler( el
) {
431 for( var i
= 0; i
< el
.childNodes
.length
; i
++ ) {
432 var link
= el
.childNodes
[i
];
433 if( link
.nodeType
== 1 && link
.nodeName
.toLowerCase() == 'a' ) {
434 var editHref
= link
.getAttribute( 'href' );
436 // find the following a
437 var next
= el
.nextSibling
;
438 while( next
.nodeType
!= 1 )
439 next
= next
.nextSibling
;
441 // find the following header
442 next
= next
.nextSibling
;
443 while( next
.nodeType
!= 1 )
444 next
= next
.nextSibling
;
446 if( next
&& next
.nodeType
== 1 &&
447 next
.nodeName
.match( /^[Hh][1-6]$/ ) ) {
448 next
.oncontextmenu = function() {
449 document
.location
= editHref
;
457 function fillDestFilename() {
458 if (!document
.getElementById
) return;
459 var path
= document
.getElementById('wpUploadFile').value
;
460 // Find trailing part
461 var slash
= path
.lastIndexOf( '/' );
462 var backslash
= path
.lastIndexOf( '\\' );
464 if ( slash
== -1 && backslash
== -1 ) {
466 } else if ( slash
> backslash
) {
467 fname
= path
.substring( slash
+1, 10000 );
469 fname
= path
.substring( backslash
+1, 10000 );
472 // Capitalise first letter and replace spaces by underscores
473 fname
= fname
.charAt(0).toUpperCase().concat(fname
.substring(1,10000)).replace( / /g
, '_' );
476 var destFile
= document
.getElementById('wpDestFile');
477 if (destFile
.value
== '' || destFile
.value
== document
.fname
) {
478 document
.getElementById('wpDestFile').value
= fname
;
480 document
.fname
= fname
;