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