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