stylesheets/wikibits.js

   1 // Wikipedia JavaScript support functions
   2
   3 // if this is true, the toolbar will no longer overwrite the infobox when you move the mouse over individual items
   4 var noOverwrite=false;
   5 var alertText;
   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) {
  12     var is_opera = true;
  13     var is_opera_preseven = (window.opera && !document.childNodes);
  14     var is_opera_seven = (window.opera && document.childNodes);
  15 }
  16
  17 // document.write special stylesheet links
  18 function addcss ( stylepath ) {
  19     if (is_opera_preseven) {
  20         document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'Opera6Fixes.css">');
  21     } else if (is_opera_seven) {
  22         document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'Opera7Fixes.css">');
  23     } else if (is_khtml) {
  24         document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'KHTMLFixes.css">');
  25     }
  26     return;
  27 }
  28
  29 // Un-trap us from framesets
  30 if( window.top != window ) window.top.location = window.location;
  31
  32 // for enhanced RecentChanges
  33 function toggleVisibility( _levelId, _otherId, _linkId) {
  34         var thisLevel = document.getElementById( _levelId );
  35         var otherLevel = document.getElementById( _otherId );
  36         var linkLevel = document.getElementById( _linkId );
  37         if ( thisLevel.style.display == 'none' ) {
  38                 thisLevel.style.display = 'block';
  39                 otherLevel.style.display = 'none';
  40                 linkLevel.style.display = 'inline';
  41         } else {
  42                 thisLevel.style.display = 'none';
  43                 otherLevel.style.display = 'inline';
  44                 linkLevel.style.display = 'none';
  45                 }
  46 }
  47
  48 // Timezone stuff
  49 // tz in format [+-]HHMM
  50 function checkTimezone( tz, msg ) {
  51         var localclock = new Date();
  52         // returns negative offset from GMT in minutes
  53         var tzRaw = localclock.getTimezoneOffset();
  54         var tzHour = Math.floor( Math.abs(tzRaw) / 60);
  55         var tzMin = Math.abs(tzRaw) % 60;
  56         var tzString = ((tzRaw >= 0) ? "-" : "+") + ((tzHour < 10) ? "0" : "") + tzHour + ((tzMin < 10) ? "0" : "") + tzMin;
  57         if( tz != tzString ) {
  58                 var junk = msg.split( '$1' );
  59                 document.write( junk[0] + "UTC" + tzString + junk[1] );
  60         }
  61 }
  62
  63 // in [-]HH:MM format...
  64 // won't yet work with non-even tzs
  65 function fetchTimezone() {
  66         // FIXME: work around Safari bug
  67         var localclock = new Date();
  68         // returns negative offset from GMT in minutes
  69         var tzRaw = localclock.getTimezoneOffset();
  70         var tzHour = Math.floor( Math.abs(tzRaw) / 60);
  71         var tzMin = Math.abs(tzRaw) % 60;
  72         var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour +
  73                 ":" + ((tzMin < 10) ? "0" : "") + tzMin;
  74         return tzString;
  75 }
  76
  77 function guessTimezone(box) {
  78         document.preferences.wpHourDiff.value = fetchTimezone();
  79 }
  80
  81 function showTocToggle(show,hide) {
  82         if(document.getElementById) {
  83                 document.writeln('<span class=\'toctoggle\'>[<a href="javascript:toggleToc()" class="internal">' +
  84                 '<span id="showlink" style="display:none;">' + show + '</span>' +
  85                 '<span id="hidelink">' + hide + '</span>'
  86                 + '</a>]</span>');
  87         }
  88 }
  89
  90 function toggleToc() {
  91         var toc = document.getElementById('tocinside');
  92         var showlink=document.getElementById('showlink');
  93         var hidelink=document.getElementById('hidelink');
  94         if(toc.style.display == 'none') {
  95                 toc.style.display = tocWas;
  96                 hidelink.style.display='';
  97                 showlink.style.display='none';
  98
  99         } else {
 100                 tocWas = toc.style.display;
 101                 toc.style.display = 'none';
 102                 hidelink.style.display='none';
 103                 showlink.style.display='';
 104
 105         }
 106 }
 107
 108 // this function generates the actual toolbar buttons with localized text
 109 // we use it to avoid creating the toolbar where javascript is not enabled
 110 function addButton(imageFile, speedTip, tagOpen, tagClose, sampleText) {
 111
 112         speedTip=escapeQuotes(speedTip);
 113         tagOpen=escapeQuotes(tagOpen);
 114         tagClose=escapeQuotes(tagClose);
 115         sampleText=escapeQuotes(sampleText);
 116         var mouseOver="";
 117
 118         // we can't change the selection, so we show example texts
 119         // when moving the mouse instead, until the first button is clicked
 120         if(!document.selection && !is_gecko) {
 121                 // filter backslashes so it can be shown in the infobox
 122                 var re=new RegExp("\\\\n","g");
 123                 tagOpen=tagOpen.replace(re,"");
 124                 tagClose=tagClose.replace(re,"");
 125                 mouseOver = "onMouseover=\"if(!noOverwrite){document.infoform.infobox.value='"+tagOpen+sampleText+tagClose+"'};\"";
 126         }
 127
 128         document.write("<a href=\"javascript:insertTags");
 129         document.write("('"+tagOpen+"','"+tagClose+"','"+sampleText+"');\">");
 130
 131         document.write("<img width=\"23\" height=\"22\" src=\""+imageFile+"\" border=\"0\" ALT=\""+speedTip+"\" TITLE=\""+speedTip+"\""+mouseOver+">");
 132         document.write("</a>");
 133         return;
 134 }
 135
 136 function addInfobox(infoText,text_alert) {
 137         alertText=text_alert;
 138         var clientPC = navigator.userAgent.toLowerCase(); // Get client info
 139
 140         var re=new RegExp("\\\\n","g");
 141         alertText=alertText.replace(re,"\n");
 142
 143         // if no support for changing selection, add a small copy & paste field
 144         // document.selection is an IE-only property. The full toolbar works in IE and
 145         // Gecko-based browsers.
 146         if(!document.selection && !is_gecko) {
 147                 infoText=escapeQuotesHTML(infoText);
 148                 document.write("<form name='infoform' id='infoform'>"+
 149                         "<input size=80 id='infobox' name='infobox' value=\""+
 150                         infoText+"\" READONLY></form>");
 151         }
 152
 153 }
 154
 155 function escapeQuotes(text) {
 156         var re=new RegExp("'","g");
 157         text=text.replace(re,"\\'");
 158         re=new RegExp('"',"g");
 159         text=text.replace(re,'&quot;');
 160         re=new RegExp("\\n","g");
 161         text=text.replace(re,"\\n");
 162         return text;
 163 }
 164
 165 function escapeQuotesHTML(text) {
 166         var re=new RegExp('"',"g");
 167         text=text.replace(re,"&quot;");
 168         return text;
 169 }
 170
 171 // apply tagOpen/tagClose to selection in textarea,
 172 // use sampleText instead of selection if there is none
 173 // copied and adapted from phpBB
 174 function insertTags(tagOpen, tagClose, sampleText) {
 175
 176         var txtarea = document.editform.wpTextbox1;
 177         // IE
 178         if(document.selection  && !is_gecko) {
 179                 var theSelection = document.selection.createRange().text;
 180                 if(!theSelection) { theSelection=sampleText;}
 181                 txtarea.focus();
 182                 if(theSelection.charAt(theSelection.length - 1) == " "){// exclude ending space char, if any
 183                         theSelection = theSelection.substring(0, theSelection.length - 1);
 184                         document.selection.createRange().text = tagOpen + theSelection + tagClose + " ";
 185                 } else {
 186                         document.selection.createRange().text = tagOpen + theSelection + tagClose;
 187                 }
 188
 189         // Mozilla
 190         } else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
 191                 var startPos = txtarea.selectionStart;
 192                 var endPos = txtarea.selectionEnd;
 193                 var scrollTop=txtarea.scrollTop;
 194                 var myText = (txtarea.value).substring(startPos, endPos);
 195                 if(!myText) { myText=sampleText;}
 196                 if(myText.charAt(myText.length - 1) == " "){ // exclude ending space char, if any
 197                         subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " ";
 198                 } else {
 199                         subst = tagOpen + myText + tagClose;
 200                 }
 201                 txtarea.value = txtarea.value.substring(0, startPos) + subst +
 202                   txtarea.value.substring(endPos, txtarea.value.length);
 203                 txtarea.focus();
 204
 205                 var cPos=startPos+(tagOpen.length+myText.length+tagClose.length);
 206                 txtarea.selectionStart=cPos;
 207                 txtarea.selectionEnd=cPos;
 208                 txtarea.scrollTop=scrollTop;
 209
 210         // All others
 211         } else {
 212                 var copy_alertText=alertText;
 213                 var re1=new RegExp("\\$1","g");
 214                 var re2=new RegExp("\\$2","g");
 215                 copy_alertText=copy_alertText.replace(re1,sampleText);
 216                 copy_alertText=copy_alertText.replace(re2,tagOpen+sampleText+tagClose);
 217                 var text;
 218                 if (sampleText) {
 219                         text=prompt(copy_alertText);
 220                 } else {
 221                         text="";
 222                 }
 223                 if(!text) { text=sampleText;}
 224                 text=tagOpen+text+tagClose;
 225                 document.infoform.infobox.value=text;
 226                 // in Safari this causes scrolling
 227                 if(!is_safari) {
 228                         txtarea.focus();
 229                 }
 230                 noOverwrite=true;
 231         }
 232         // reposition cursor if possible
 233         if (txtarea.createTextRange) txtarea.caretPos = document.selection.createRange().duplicate();
 234 }