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// Wikipedia JavaScript support functions
// if this is true, the toolbar will no longer overwrite the infobox when you move the mouse over individual items
var noOverwrite=false;
var alertText;
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var is_gecko = ((clientPC.indexOf('gecko')!=-1) && (clientPC.indexOf('spoofer')==-1)
&& (clientPC.indexOf('khtml') == -1));
var is_safari = ((clientPC.indexOf('AppleWebKit')!=-1) && (clientPC.indexOf('spoofer')==-1));
// Un-trap us from framesets
if( window.top != window ) window.top.location = window.location;
// for enhanced RecentChanges
function toggleVisibility( _levelId, _otherId, _linkId) {
var thisLevel = document.getElementById( _levelId );
var otherLevel = document.getElementById( _otherId );
var linkLevel = document.getElementById( _linkId );
if ( thisLevel.style.display == 'none' ) {
thisLevel.style.display = 'block';
otherLevel.style.display = 'none';
linkLevel.style.display = 'inline';
} else {
thisLevel.style.display = 'none';
otherLevel.style.display = 'inline';
linkLevel.style.display = 'none';
}
}
// Timezone stuff
// tz in format [+-]HHMM
function checkTimezone( tz, msg ) {
var localclock = new Date();
// returns negative offset from GMT in minutes
var tzRaw = localclock.getTimezoneOffset();
var tzHour = Math.floor( Math.abs(tzRaw) / 60);
var tzMin = Math.abs(tzRaw) % 60;
var tzString = ((tzRaw >= 0) ? "-" : "+") + ((tzHour < 10) ? "0" : "") + tzHour + ((tzMin < 10) ? "0" : "") + tzMin;
if( tz != tzString ) {
var junk = msg.split( '$1' );
document.write( junk[0] + "UTC" + tzString + junk[1] );
}
}
// in [-]HH:MM format...
// won't yet work with non-even tzs
function fetchTimezone() {
// FIXME: work around Safari bug
var localclock = new Date();
// returns negative offset from GMT in minutes
var tzRaw = localclock.getTimezoneOffset();
var tzHour = Math.floor( Math.abs(tzRaw) / 60);
var tzMin = Math.abs(tzRaw) % 60;
var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour +
":" + ((tzMin < 10) ? "0" : "") + tzMin;
return tzString;
}
function guessTimezone(box) {
document.preferences.wpHourDiff.value = fetchTimezone();
}
function showTocToggle(show,hide) {
if(document.getElementById) {
document.writeln('<span class=\'toctoggle\'>[<a href="javascript:toggleToc()" class="internal">' +
'<span id="showlink" style="display:none;">' + show + '</span>' +
'<span id="hidelink">' + hide + '</span>'
+ '</a>]</span>');
}
}
function toggleToc() {
var toc = document.getElementById('tocinside');
var showlink=document.getElementById('showlink');
var hidelink=document.getElementById('hidelink');
if(toc.style.display == 'none') {
toc.style.display = tocWas;
hidelink.style.display='';
showlink.style.display='none';
} else {
tocWas = toc.style.display;
toc.style.display = 'none';
hidelink.style.display='none';
showlink.style.display='';
}
}
// this function generates the actual toolbar buttons with localized text
// we use it to avoid creating the toolbar where javascript is not enabled
function addButton(imageFile, speedTip, tagOpen, tagClose, sampleText) {
speedTip=escapeQuotes(speedTip);
tagOpen=escapeQuotes(tagOpen);
tagClose=escapeQuotes(tagClose);
sampleText=escapeQuotes(sampleText);
var mouseOver="";
// we can't change the selection, so we show example texts
// when moving the mouse instead, until the first button is clicked
if(!document.selection && !is_gecko) {
// filter backslashes so it can be shown in the infobox
var re=new RegExp("\\\\n","g");
tagOpen=tagOpen.replace(re,"");
tagClose=tagClose.replace(re,"");
mouseOver = "onMouseover=\"if(!noOverwrite){document.infoform.infobox.value='"+tagOpen+sampleText+tagClose+"'};\"";
}
document.write("<a href=\"javascript:insertTags");
document.write("('"+tagOpen+"','"+tagClose+"','"+sampleText+"');\">");
document.write("<img width=\"23\" height=\"22\" src=\""+imageFile+"\" border=\"0\" ALT=\""+speedTip+"\" TITLE=\""+speedTip+"\""+mouseOver+">");
document.write("</a>");
return;
}
function addInfobox(infoText,text_alert) {
alertText=text_alert;
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var re=new RegExp("\\\\n","g");
alertText=alertText.replace(re,"\n");
// if no support for changing selection, add a small copy & paste field
// document.selection is an IE-only property. The full toolbar works in IE and
// Gecko-based browsers.
if(!document.selection && !is_gecko) {
infoText=escapeQuotesHTML(infoText);
document.write("<form name='infoform' id='infoform'>"+
"<input size=80 id='infobox' name='infobox' value=\""+
infoText+"\" READONLY></form>");
}
}
function escapeQuotes(text) {
var re=new RegExp("'","g");
text=text.replace(re,"\\'");
re=new RegExp('"',"g");
text=text.replace(re,'"');
re=new RegExp("\\n","g");
text=text.replace(re,"\\n");
return text;
}
function escapeQuotesHTML(text) {
var re=new RegExp('"',"g");
text=text.replace(re,""");
return text;
}
// apply tagOpen/tagClose to selection in textarea,
// use sampleText instead of selection if there is none
// copied and adapted from phpBB
function insertTags(tagOpen, tagClose, sampleText) {
var txtarea = document.editform.wpTextbox1;
// IE
if(document.selection && !is_gecko) {
var theSelection = document.selection.createRange().text;
if(!theSelection) { theSelection=sampleText;}
txtarea.focus();
if(theSelection.charAt(theSelection.length - 1) == " "){// exclude ending space char, if any
theSelection = theSelection.substring(0, theSelection.length - 1);
document.selection.createRange().text = tagOpen + theSelection + tagClose + " ";
} else {
document.selection.createRange().text = tagOpen + theSelection + tagClose;
}
// Mozilla
} else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
var startPos = txtarea.selectionStart;
var endPos = txtarea.selectionEnd;
var scrollTop=txtarea.scrollTop;
var myText = (txtarea.value).substring(startPos, endPos);
if(!myText) { myText=sampleText;}
if(myText.charAt(myText.length - 1) == " "){ // exclude ending space char, if any
subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " ";
} else {
subst = tagOpen + myText + tagClose;
}
txtarea.value = txtarea.value.substring(0, startPos) + subst +
txtarea.value.substring(endPos, txtarea.value.length);
txtarea.focus();
var cPos=startPos+(tagOpen.length+myText.length+tagClose.length);
txtarea.selectionStart=cPos;
txtarea.selectionEnd=cPos;
txtarea.scrollTop=scrollTop;
// All others
} else {
var copy_alertText=alertText;
var re1=new RegExp("\\$1","g");
var re2=new RegExp("\\$2","g");
copy_alertText=copy_alertText.replace(re1,sampleText);
copy_alertText=copy_alertText.replace(re2,tagOpen+sampleText+tagClose);
var text;
if (sampleText) {
text=prompt(copy_alertText);
} else {
text="";
}
if(!text) { text=sampleText;}
text=tagOpen+text+tagClose;
document.infoform.infobox.value=text;
// in Safari this causes scrolling
if(!is_safari) {
txtarea.focus();
}
noOverwrite=true;
}
// reposition cursor if possible
if (txtarea.createTextRange) txtarea.caretPos = document.selection.createRange().duplicate();
}
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