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));
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) {
13 var is_opera_preseven
= (window
.opera
&& !document
.childNodes
);
14 var is_opera_seven
= (window
.opera
&& document
.childNodes
);
17 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
18 function onloadhook () {
19 // don't run anything below this for non-dom browsers
20 if(!(document
.getElementById
&& document
.getElementsByTagName
)) return;
24 if (window
.addEventListener
) window
.addEventListener("load",onloadhook
,false);
25 else if (window
.attachEvent
) window
.attachEvent("onload",onloadhook
);
28 // document.write special stylesheet links
29 function addcss ( stylepath
) {
30 if (is_opera_preseven
) {
31 document
.write('<link rel="stylesheet" type="text/css" href="'+stylepath
+'Opera6Fixes.css">');
32 } else if (is_opera_seven
) {
33 document
.write('<link rel="stylesheet" type="text/css" href="'+stylepath
+'Opera7Fixes.css">');
34 } else if (is_khtml
) {
35 document
.write('<link rel="stylesheet" type="text/css" href="'+stylepath
+'KHTMLFixes.css">');
40 // Un-trap us from framesets
41 if( window
.top
!= window
) window
.top
.location
= window
.location
;
43 // for enhanced RecentChanges
44 function toggleVisibility( _levelId
, _otherId
, _linkId
) {
45 var thisLevel
= document
.getElementById( _levelId
);
46 var otherLevel
= document
.getElementById( _otherId
);
47 var linkLevel
= document
.getElementById( _linkId
);
48 if ( thisLevel
.style
.display
== 'none' ) {
49 thisLevel
.style
.display
= 'block';
50 otherLevel
.style
.display
= 'none';
51 linkLevel
.style
.display
= 'inline';
53 thisLevel
.style
.display
= 'none';
54 otherLevel
.style
.display
= 'inline';
55 linkLevel
.style
.display
= 'none';
60 // attach event handlers to the input elements on history page
61 function histrowinit () {
62 hf
= document
.getElementById('pagehistory');
64 lis
= hf
.getElementsByTagName('li');
65 for (i
=0;i
<lis
.length
;i
++) {
66 inputs
=lis
[i
].getElementsByTagName('INPUT');
67 if(inputs
[0] && inputs
[1]) {
68 inputs
[0].onclick
= diffcheck
;
69 inputs
[1].onclick
= diffcheck
;
74 // check selection and tweak visibility/class onclick
75 function diffcheck() {
76 var dli
= false; // the li where the diff radio is checked
77 var oli
= false; // the li where the oldid radio is checked
78 hf
= document
.getElementById('pagehistory');
80 lis
= hf
.getElementsByTagName('li');
81 for (i
=0;i
<lis
.length
;i
++) {
82 inputs
=lis
[i
].getElementsByTagName('INPUT');
83 if(inputs
[1] && inputs
[0]) {
84 if(inputs
[1].checked
|| inputs
[0].checked
) { // this row has a checked radio button
85 if(inputs
[1].checked
&& inputs
[0].checked
&& inputs
[0].value
== inputs
[1].value
) return false;
86 if(oli
) { // it's the second checked radio
87 if(inputs
[1].checked
) {
88 oli
.className
= "selected";
91 } else if (inputs
[0].checked
) {
94 if(inputs
[0].checked
) dli
= lis
[i
];
95 if(!oli
) inputs
[0].style
.visibility
= 'hidden';
96 if(dli
) inputs
[1].style
.visibility
= 'hidden';
97 lis
[i
].className
= "selected";
99 } else { // no radio is checked in this row
100 if(!oli
) inputs
[0].style
.visibility
= 'hidden';
101 else inputs
[0].style
.visibility
= 'visible';
102 if(dli
) inputs
[1].style
.visibility
= 'hidden';
103 else inputs
[1].style
.visibility
= 'visible';
104 lis
[i
].className
= "";
110 // generate toc from prefs form, fold sections
111 // XXX: needs testing on IE/Mac and safari
112 // more comments to follow
113 function tabbedprefs() {
114 prefform
= document
.getElementById('preferences');
115 if(!prefform
|| !document
.createElement
) return;
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
.indexOf('FIELDSET') != -1) {
122 children
[i
].id
= 'prefsection-' + i
;
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
.innerHTML
= 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] );
186 // in [-]HH:MM format...
187 // won't yet work with non-even tzs
188 function fetchTimezone() {
189 // FIXME: work around Safari bug
190 var localclock
= new Date();
191 // returns negative offset from GMT in minutes
192 var tzRaw
= localclock
.getTimezoneOffset();
193 var tzHour
= Math
.floor( Math
.abs(tzRaw
) / 60);
194 var tzMin
= Math
.abs(tzRaw
) % 60;
195 var tzString
= ((tzRaw
>= 0) ? "-" : "") + ((tzHour
< 10) ? "0" : "") + tzHour
+
196 ":" + ((tzMin
< 10) ? "0" : "") + tzMin
;
200 function guessTimezone(box
) {
201 document
.preferences
.wpHourDiff
.value
= fetchTimezone();
204 function showTocToggle(show
,hide
) {
205 if(document
.getElementById
) {
206 document
.writeln('<span class=\'toctoggle\'>[<a href="javascript:toggleToc()" class="internal">' +
207 '<span id="showlink" style="display:none;">' + show
+ '</span>' +
208 '<span id="hidelink">' + hide
+ '</span>'
214 function toggleToc() {
215 var toc
= document
.getElementById('tocinside');
216 var showlink
=document
.getElementById('showlink');
217 var hidelink
=document
.getElementById('hidelink');
218 if(toc
.style
.display
== 'none') {
219 toc
.style
.display
= tocWas
;
220 hidelink
.style
.display
='';
221 showlink
.style
.display
='none';
224 tocWas
= toc
.style
.display
;
225 toc
.style
.display
= 'none';
226 hidelink
.style
.display
='none';
227 showlink
.style
.display
='';
232 // this function generates the actual toolbar buttons with localized text
233 // we use it to avoid creating the toolbar where javascript is not enabled
234 function addButton(imageFile
, speedTip
, tagOpen
, tagClose
, sampleText
) {
236 speedTip
=escapeQuotes(speedTip
);
237 tagOpen
=escapeQuotes(tagOpen
);
238 tagClose
=escapeQuotes(tagClose
);
239 sampleText
=escapeQuotes(sampleText
);
242 // we can't change the selection, so we show example texts
243 // when moving the mouse instead, until the first button is clicked
244 if(!document
.selection
&& !is_gecko
) {
245 // filter backslashes so it can be shown in the infobox
246 var re
=new RegExp("\\\\n","g");
247 tagOpen
=tagOpen
.replace(re
,"");
248 tagClose
=tagClose
.replace(re
,"");
249 mouseOver
= "onMouseover=\"if(!noOverwrite){document.infoform.infobox.value='"+tagOpen
+sampleText
+tagClose
+"'};\"";
252 document
.write("<a href=\"javascript:insertTags");
253 document
.write("('"+tagOpen
+"','"+tagClose
+"','"+sampleText
+"');\">");
255 document
.write("<img width=\"23\" height=\"22\" src=\""+imageFile
+"\" border=\"0\" ALT=\""+speedTip
+"\" TITLE=\""+speedTip
+"\""+mouseOver
+">");
256 document
.write("</a>");
260 function addInfobox(infoText
,text_alert
) {
261 alertText
=text_alert
;
262 var clientPC
= navigator
.userAgent
.toLowerCase(); // Get client info
264 var re
=new RegExp("\\\\n","g");
265 alertText
=alertText
.replace(re
,"\n");
267 // if no support for changing selection, add a small copy & paste field
268 // document.selection is an IE-only property. The full toolbar works in IE and
269 // Gecko-based browsers.
270 if(!document
.selection
&& !is_gecko
) {
271 infoText
=escapeQuotesHTML(infoText
);
272 document
.write("<form name='infoform' id='infoform'>"+
273 "<input size=80 id='infobox' name='infobox' value=\""+
274 infoText
+"\" READONLY></form>");
279 function escapeQuotes(text
) {
280 var re
=new RegExp("'","g");
281 text
=text
.replace(re
,"\\'");
282 re
=new RegExp('"',"g");
283 text
=text
.replace(re
,'"');
284 re
=new RegExp("\\n","g");
285 text
=text
.replace(re
,"\\n");
289 function escapeQuotesHTML(text
) {
290 var re
=new RegExp('"',"g");
291 text
=text
.replace(re
,""");
295 // apply tagOpen/tagClose to selection in textarea,
296 // use sampleText instead of selection if there is none
297 // copied and adapted from phpBB
298 function insertTags(tagOpen
, tagClose
, sampleText
) {
300 var txtarea
= document
.editform
.wpTextbox1
;
302 if(document
.selection
&& !is_gecko
) {
303 var theSelection
= document
.selection
.createRange().text
;
304 if(!theSelection
) { theSelection
=sampleText
;}
306 if(theSelection
.charAt(theSelection
.length
- 1) == " "){// exclude ending space char, if any
307 theSelection
= theSelection
.substring(0, theSelection
.length
- 1);
308 document
.selection
.createRange().text
= tagOpen
+ theSelection
+ tagClose
+ " ";
310 document
.selection
.createRange().text
= tagOpen
+ theSelection
+ tagClose
;
314 } else if(txtarea
.selectionStart
|| txtarea
.selectionStart
== '0') {
315 var startPos
= txtarea
.selectionStart
;
316 var endPos
= txtarea
.selectionEnd
;
317 var scrollTop
=txtarea
.scrollTop
;
318 var myText
= (txtarea
.value
).substring(startPos
, endPos
);
319 if(!myText
) { myText
=sampleText
;}
320 if(myText
.charAt(myText
.length
- 1) == " "){ // exclude ending space char, if any
321 subst
= tagOpen
+ myText
.substring(0, (myText
.length
- 1)) + tagClose
+ " ";
323 subst
= tagOpen
+ myText
+ tagClose
;
325 txtarea
.value
= txtarea
.value
.substring(0, startPos
) + subst
+
326 txtarea
.value
.substring(endPos
, txtarea
.value
.length
);
329 var cPos
=startPos
+(tagOpen
.length
+myText
.length
+tagClose
.length
);
330 txtarea
.selectionStart
=cPos
;
331 txtarea
.selectionEnd
=cPos
;
332 txtarea
.scrollTop
=scrollTop
;
336 var copy_alertText
=alertText
;
337 var re1
=new RegExp("\\$1","g");
338 var re2
=new RegExp("\\$2","g");
339 copy_alertText
=copy_alertText
.replace(re1
,sampleText
);
340 copy_alertText
=copy_alertText
.replace(re2
,tagOpen
+sampleText
+tagClose
);
343 text
=prompt(copy_alertText
);
347 if(!text
) { text
=sampleText
;}
348 text
=tagOpen
+text
+tagClose
;
349 document
.infoform
.infobox
.value
=text
;
350 // in Safari this causes scrolling
356 // reposition cursor if possible
357 if (txtarea
.createTextRange
) txtarea
.caretPos
= document
.selection
.createRange().duplicate();