stylesheets/wikibits.js

   1 // Wikipedia JavaScript support functions
   2
   3 // for enhanced RecentChanges
   4 function toggleVisibility( _levelId, _otherId, _linkId) {
   5         var thisLevel = document.getElementById( _levelId );
   6         var otherLevel = document.getElementById( _otherId );
   7         var linkLevel = document.getElementById( _linkId );
   8         if ( thisLevel.style.display == 'none' ) {
   9                 thisLevel.style.display = 'block';
  10                 otherLevel.style.display = 'none';
  11                 linkLevel.style.display = 'inline';
  12         } else {
  13                 thisLevel.style.display = 'none';
  14                 otherLevel.style.display = 'inline';
  15                 linkLevel.style.display = 'none';
  16                 }
  17         }
  18
  19 // Timezone stuff
  20 // tz in format [+-]HHMM
  21 function checkTimezone( tz, msg ) {
  22         var localclock = new Date();
  23         // returns negative offset from GMT in minutes
  24         var tzRaw = localclock.getTimezoneOffset();
  25         var tzHour = Math.floor( Math.abs(tzRaw) / 60);
  26         var tzMin = Math.abs(tzRaw) % 60;
  27         var tzString = ((tzRaw >= 0) ? "-" : "+") + ((tzHour < 10) ? "0" : "") + tzHour + ((tzMin < 10) ? "0" : "") + tzMin;
  28         if( tz != tzString ) {
  29                 var junk = msg.split( '$1' );
  30                 document.write( junk[0] + "UTC" + tzString + junk[1] );
  31         }
  32 }
  33
  34 // in [-][H]H format...
  35 // won't yet work with non-even tzs
  36 function fetchTimezone() {
  37         // FIXME: work around Safari bug
  38         var localclock = new Date();
  39         // returns negative offset from GMT in minutes
  40         var tzRaw = localclock.getTimezoneOffset();
  41         var tzHour = Math.floor( Math.abs(tzRaw) / 60);
  42         var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "" : "0") + tzHour;
  43         return tzString;
  44 }
  45
  46 function guessTimezone(box) {
  47         document.preferences.wpHourDiff.value = fetchTimezone();
  48 }
  49
  50 function showTocToggle(show,hide) {
  51         if(document.getElementById) {
  52                 document.writeln('<small>[<a href="javascript:toggleToc()" class="internal">' +
  53                 '<span id="showlink" style="display:none;">' + show + '</span>' +
  54                 '<span id="hidelink">' + hide + '</span>'
  55                 + '</a>]</small>');
  56         }
  57 }
  58
  59 function toggleToc() {
  60         var toc = document.getElementById('tocinside');
  61         var showlink=document.getElementById('showlink');
  62         var hidelink=document.getElementById('hidelink');
  63         if(toc.style.display == 'none') {
  64                 toc.style.display = tocWas;
  65                 hidelink.style.display='';
  66                 showlink.style.display='none';
  67
  68         } else {
  69                 tocWas = toc.style.display;
  70                 toc.style.display = 'none';
  71                 hidelink.style.display='none';
  72                 showlink.style.display='';
  73
  74         }
  75 }
  76
  77 // this function generates the actual toolbar buttons with localized text
  78 // we use it to avoid creating the toolbar where javascript is not enabled
  79 function addButton(imageFile, speedTip, tagOpen, tagClose, sampleText) {
  80
  81         speedTip=escapeQuotes(speedTip);
  82         tagOpen=escapeQuotes(tagOpen);
  83         tagClose=escapeQuotes(tagClose);
  84         sampleText=escapeQuotes(sampleText);
  85         document.write("<a href=\"#\" onclick=\"javascript:insertTags");
  86         document.write("('"+tagOpen+"','"+tagClose+"','"+sampleText+"');\">");
  87         document.write("<img width=\"23\" height=\"22\" src=\""+imageFile+"\" border=\"0\" ALT=\""+speedTip+"\" TITLE=\""+speedTip+"\">");
  88         document.write("</a>");
  89         return;
  90 }
  91
  92 function escapeQuotes(text) {
  93
  94         text=text.replace(/'/g,"\\'");
  95         text=text.replace(/\n/g,"\\n");
  96         return text;
  97 }
  98
  99 // apply tagOpen/tagClose to selection in textarea,
 100 // use sampleText instead of selection if there is none
 101 // copied and adapted from phpBB
 102 function insertTags(tagOpen, tagClose, sampleText) {
 103
 104         var txtarea = document.editform.wpTextbox1;
 105         // IE
 106         if(document.selection) {
 107                 var theSelection = document.selection.createRange().text;
 108                 if(!theSelection) { theSelection=sampleText;}
 109                 txtarea.focus();
 110                 document.selection.createRange().text = tagOpen + theSelection + tagClose;
 111         // Mozilla
 112         } else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
 113                 var startPos = txtarea.selectionStart;
 114                 var endPos = txtarea.selectionEnd;
 115                 var myText = (txtarea.value).substring(startPos, endPos);
 116                 if(!myText) { myText=sampleText;}
 117                 txtarea.value = txtarea.value.substring(0, startPos) + tagOpen + myText + tagClose + txtarea.value.substring(endPos, txtarea.value.length);
 118                 txtarea.focus();
 119                 var cPos=startPos+(tagOpen.length+myText.length+tagClose.length);
 120                 txtarea.selectionStart=cPos;
 121                 txtarea.selectionEnd=cPos;
 122         // All others
 123         } else {
 124                 txtarea.value += tagOpen + sampleText + tagClose;
 125                 txtarea.focus();
 126         }
 127         // reposition cursor if possible
 128         if (txtarea.createTextRange) txtarea.caretPos = document.selection.createRange().duplicate();
 129 }