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