1 files changed, 217 insertions, 0 deletions
diff --git a/skins/common/prefs.js b/skins/common/prefs.js
new file mode 100644
index 0000000..ca55632
--- /dev/null
+++ b/skins/common/prefs.js
@@ -0,0 +1,217 @@
+// 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 );