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 [-]HH:MM 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 tzMin = Math.abs(tzRaw) % 60;
  43         var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour +
  44                 ":" + ((tzMin < 10) ? "0" : "") + tzMin;
  45         return tzString;
  46 }
  47
  48 function guessTimezone(box) {
  49         document.preferences.wpHourDiff.value = fetchTimezone();
  50 }
  51
  52 function showTocToggle(show,hide) {
  53         if(document.getElementById) {
  54                 document.writeln('<small>[<a href="javascript:toggleToc()" class="internal">' +
  55                 '<span id="showlink" style="display:none;">' + show + '</span>' +
  56                 '<span id="hidelink">' + hide + '</span>'
  57                 + '</a>]</small>');
  58         }
  59 }
  60
  61 function toggleToc() {
  62         var toc = document.getElementById('tocinside');
  63         var showlink=document.getElementById('showlink');
  64         var hidelink=document.getElementById('hidelink');
  65         if(toc.style.display == 'none') {
  66                 toc.style.display = tocWas;
  67                 hidelink.style.display='';
  68                 showlink.style.display='none';
  69
  70         } else {
  71                 tocWas = toc.style.display;
  72                 toc.style.display = 'none';
  73                 hidelink.style.display='none';
  74                 showlink.style.display='';
  75
  76         }
  77 }
  78
  79 // this function generates the actual toolbar buttons with localized text
  80 // we use it to avoid creating the toolbar where javascript is not enabled
  81 function addButton(imageFile, speedTip, tagOpen, tagClose, sampleText) {
  82
  83
  84         speedTip=escapeQuotes(speedTip);
  85         tagOpen=escapeQuotes(tagOpen);
  86         tagClose=escapeQuotes(tagClose);
  87         sampleText=escapeQuotes(sampleText);
  88         document.write("<a href=\"#\" onclick=\"javascript:insertTags");
  89         document.write("('"+tagOpen+"','"+tagClose+"','"+sampleText+"');\">");
  90         document.write("<img width=\"23\" height=\"22\" src=\""+imageFile+"\" border=\"0\" ALT=\""+speedTip+"\" TITLE=\""+speedTip+"\">");
  91         document.write("</a>");
  92         return;
  93 }
  94
  95 function addInfobox(infoText) {
  96
  97         // if no support for changing selection, add a small copy & paste field
  98         var clientPC = navigator.userAgent.toLowerCase(); // Get client info
  99         var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
 100                 && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
 101                 && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1)
 102                 && (clientPC.indexOf('khtml')==-1));
 103         if(!document.selection && !is_nav) {
 104                 document.write("<form name='infoform' id='infoform'>"+
 105                         "<input size=80 id='infobox' name='infobox' value='"+
 106                         infoText+"' READONLY></form>");
 107         }
 108
 109 }
 110
 111 function escapeQuotes(text) {
 112
 113         text=text.replace(/'/g,"\\'");
 114         text=text.replace(/\n/g,"\\n");
 115         return text;
 116 }
 117
 118 // apply tagOpen/tagClose to selection in textarea,
 119 // use sampleText instead of selection if there is none
 120 // copied and adapted from phpBB
 121 function insertTags(tagOpen, tagClose, sampleText) {
 122
 123         var txtarea = document.editform.wpTextbox1;
 124         // IE
 125         if(document.selection) {
 126                 var theSelection = document.selection.createRange().text;
 127                 if(!theSelection) { theSelection=sampleText;}
 128                 txtarea.focus();
 129                 if(theSelection.charAt(theSelection.length - 1) == " "){// exclude ending space char, if any
 130                         theSelection = theSelection.substring(0, theSelection.length - 1);
 131                         document.selection.createRange().text = tagOpen + theSelection + tagClose + " ";
 132                 } else {
 133                         document.selection.createRange().text = tagOpen + theSelection + tagClose;
 134                 }
 135         // Mozilla
 136         } else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
 137                 var startPos = txtarea.selectionStart;
 138                 var endPos = txtarea.selectionEnd;
 139                 var myText = (txtarea.value).substring(startPos, endPos);
 140                 if(!myText) { myText=sampleText;}
 141                 if(myText.charAt(myText.length - 1) == " "){ // exclude ending space char, if any
 142                         subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " ";
 143                 } else {
 144                         subst = tagOpen + myText + tagClose;
 145                 }
 146                 txtarea.value = txtarea.value.substring(0, startPos) + subst + txtarea.value.substring(endPos, txtarea.value.length);
 147                 txtarea.focus();
 148                 var cPos=startPos+(tagOpen.length+myText.length+tagClose.length);
 149                 txtarea.selectionStart=cPos;
 150                 txtarea.selectionEnd=cPos;
 151         // All others
 152         } else {
 153                 // Append at the end: Some people find that annoying
 154                 //txtarea.value += tagOpen + sampleText + tagClose;
 155                 //txtarea.focus();
 156                 tagOpen=tagOpen.replace(/\n/g,"");
 157                 tagClose=tagClose.replace(/\n/g,"");
 158                 document.infoform.infobox.value=tagOpen+sampleText+tagClose;
 159                 txtarea.focus();
 160         }
 161         // reposition cursor if possible
 162         if (txtarea.createTextRange) txtarea.caretPos = document.selection.createRange().duplicate();
 163 }