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// generate toc from prefs form, fold sections
// XXX: needs testing on IE/Mac and safari
// more comments to follow
function tabbedprefs() {
var prefform = document.getElementById( 'preferences' );
if ( !prefform || !document.createElement ) {
return;
}
if ( prefform.nodeName.toLowerCase() == 'a' ) {
return; // Occasional IE problem
}
prefform.className = prefform.className + 'jsprefs';
var sections = [];
var children = prefform.childNodes;
var seci = 0;
for ( var i = 0; i < children.length; i++ ) {
if ( children[i].nodeName.toLowerCase() == 'fieldset' ) {
children[i].id = 'prefsection-' + seci;
children[i].className = 'prefsection';
if ( is_opera ) {
children[i].className = 'prefsection operaprefsection';
}
var legends = children[i].getElementsByTagName('legend');
sections[seci] = {};
if ( legends[0] ) {
legends[0].className = 'mainLegend';
}
if ( legends[0] && legends[0].firstChild.nodeValue ) {
sections[seci].text = legends[0].firstChild.nodeValue;
} else {
sections[seci].text = '# ' + seci;
}
sections[seci].secid = children[i].id;
seci++;
if ( sections.length != 1 ) {
children[i].style.display = 'none';
} else {
var selectedid = children[i].id;
}
}
}
var toc = document.createElement( 'ul' );
toc.id = 'preftoc';
toc.selectedid = selectedid;
for ( i = 0; i < sections.length; i++ ) {
var li = document.createElement( 'li' );
if ( i === 0 ) {
li.className = 'selected';
}
var a = document.createElement( 'a' );
a.href = '#' + sections[i].secid;
a.onmousedown = a.onclick = uncoversection;
a.appendChild( document.createTextNode( sections[i].text ) );
a.secid = sections[i].secid;
li.appendChild( a );
toc.appendChild( li );
}
prefform.parentNode.insertBefore( toc, prefform.parentNode.childNodes[0] );
document.getElementById( 'prefsubmit' ).id = 'prefcontrol';
}
function uncoversection() {
var oldsecid = this.parentNode.parentNode.selectedid;
var newsec = document.getElementById( this.secid );
if ( oldsecid != this.secid ) {
var ul = document.getElementById( 'preftoc' );
document.getElementById( oldsecid ).style.display = 'none';
newsec.style.display = 'block';
ul.selectedid = this.secid;
var lis = ul.getElementsByTagName( 'li' );
for ( var i = 0; i< lis.length; i++ ) {
lis[i].className = '';
}
this.parentNode.className = 'selected';
}
return false;
}
// 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] );
}
}
function timezoneSetup() {
var tzSelect = document.getElementById( 'mw-input-timecorrection' );
var tzTextbox = document.getElementById( 'mw-input-timecorrection-other' );
if ( tzSelect && tzTextbox ) {
addHandler( tzSelect, 'change', function( e ) { updateTimezoneSelection( false ); } );
addHandler( tzTextbox, 'blur', function( e ) { updateTimezoneSelection( true ); } );
}
updateTimezoneSelection( false );
}
// 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() {
var textbox = document.getElementById( 'mw-input-timecorrection-other' );
var selector = document.getElementById( 'mw-input-timecorrection' );
selector.value = 'other';
textbox.value = fetchTimezone();
textbox.disabled = false; // The changed handler doesn't trip, obviously.
updateTimezoneSelection( true );
}
function updateTimezoneSelection( force_offset ) {
var selector = document.getElementById( 'mw-input-timecorrection' );
if ( selector.value == 'guess' ) {
return guessTimezone();
}
var textbox = document.getElementById( 'mw-input-timecorrection-other' );
var localtimeHolder = document.getElementById( 'wpLocalTime' );
var servertime = document.getElementsByName( 'wpServerTime' )[0].value;
var minDiff = 0;
// Compatibility code.
if ( !selector.value ) {
selector.value = selector.options[selector.selectedIndex].value;
}
// Handle force_offset
if ( force_offset ) {
selector.value = 'other';
}
// Get min_diff
if ( selector.value == 'other' ) {
// Grab data from the textbox, parse it.
var diffArr = textbox.value.split(':');
if ( diffArr.length == 1 ) {
// Specification is of the form [-]XX
minDiff = parseInt( diffArr[0], 10 ) * 60;
} else {
// Specification is of the form [-]XX:XX
minDiff = Math.abs( parseInt( diffArr[0], 10 ) ) * 60 + parseInt( diffArr[1], 10 );
if ( parseInt( diffArr[0], 10 ) < 0 ) {
minDiff = -minDiff;
}
}
} else {
// Grab data from the selector value
var diffArr = selector.value.split('|');
minDiff = parseInt( diffArr[1], 10 );
}
// Gracefully handle non-numbers.
if ( isNaN( minDiff ) ) {
minDiff = 0;
}
// Determine local time from server time and minutes difference, for display.
var localTime = parseInt( servertime, 10 ) + minDiff;
// Bring time within the [0,1440) range.
while ( localTime < 0 ) {
localTime += 1440;
}
while ( localTime >= 1440 ) {
localTime -= 1440;
}
// Split to hour and minute
var hour = String( Math.floor( localTime / 60 ) );
if ( hour.length < 2 ) {
hour = '0' + hour;
}
var min = String(localTime%60);
if ( min.length < 2 ) {
min = '0' + min;
}
changeText( localtimeHolder, hour + ':' + min );
// If the user selected from the drop-down, fill the offset field.
if ( selector.value != 'other' ) {
hour = String( Math.abs( Math.floor( minDiff / 60 ) ) );
if ( hour.length < 2 ) {
hour = '0' + hour;
}
if ( minDiff < 0 ) {
hour = '-' + hour;
}
min = String(minDiff%60);
if ( min.length < 2 ) {
min = '0' + min;
}
textbox.value = hour + ':' + min;
}
}
addOnloadHook( timezoneSetup );
addOnloadHook( tabbedprefs );
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