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/*
* JavaScript for Special:Preferences
*/
( function( $, mw ) {
$( '#prefsubmit' ).attr( 'id', 'prefcontrol' );
var $preftoc = $('<ul id="preftoc"></ul>');
var $preferences = $( '#preferences' )
.addClass( 'jsprefs' )
.before( $preftoc );
var $fieldsets = $preferences.children( 'fieldset' )
.hide()
.addClass( 'prefsection' );
var $legends = $fieldsets.children( 'legend' )
.addClass( 'mainLegend' );
// Populate the prefToc
$legends.each( function( i, legend ) {
var $legend = $(legend);
if ( i === 0 ) {
$legend.parent().show();
}
var ident = $legend.parent().attr( 'id' );
var $li = $( '<li/>', {
'class' : ( i === 0 ) ? 'selected' : null
});
var $a = $( '<a/>', {
text : $legend.text(),
id : ident.replace( 'mw-prefsection', 'preftab' ),
href : '#' + ident
}).click( function( e ) {
e.preventDefault();
// Handle hash manually to prevent jumping
// Therefore save and restore scrollTop to prevent jumping
var scrollTop = $(window).scrollTop();
window.location.hash = $(this).attr('href');
$(window).scrollTop(scrollTop);
$preftoc.find( 'li' ).removeClass( 'selected' );
$(this).parent().addClass( 'selected' );
$( '#preferences > fieldset' ).hide();
$( '#' + ident ).show();
});
$li.append( $a );
$preftoc.append( $li );
} );
// If we've reloaded the page or followed an open-in-new-window,
// make the selected tab visible.
// On document ready:
$( function() {
var hash = window.location.hash;
if( hash.match( /^#mw-prefsection-[\w-]+/ ) ) {
var $tab = $( hash.replace( 'mw-prefsection', 'preftab' ) );
$tab.click();
}
} );
/**
* Timezone functions.
* Guesses Timezone from browser and updates fields onchange
*/
var $tzSelect = $( '#mw-input-wptimecorrection' );
var $tzTextbox = $( '#mw-input-wptimecorrection-other' );
var $localtimeHolder = $( '#wpLocalTime' );
var servertime = parseInt( $( 'input[name=wpServerTime]' ).val(), 10 );
var minuteDiff = 0;
var minutesToHours = function( min ) {
var tzHour = Math.floor( Math.abs( min ) / 60 );
var tzMin = Math.abs( min ) % 60;
var tzString = ( ( min >= 0 ) ? '' : '-' ) + ( ( tzHour < 10 ) ? '0' : '' ) + tzHour +
':' + ( ( tzMin < 10 ) ? '0' : '' ) + tzMin;
return tzString;
};
var hoursToMinutes = function( hour ) {
var arr = hour.split( ':' );
arr[0] = parseInt( arr[0], 10 );
var minutes;
if ( arr.length == 1 ) {
// Specification is of the form [-]XX
minutes = arr[0] * 60;
} else {
// Specification is of the form [-]XX:XX
minutes = Math.abs( arr[0] ) * 60 + parseInt( arr[1], 10 );
if ( arr[0] < 0 ) {
minutes *= -1;
}
}
// Gracefully handle non-numbers.
if ( isNaN( minutes ) ) {
return 0;
} else {
return minutes;
}
};
var updateTimezoneSelection = function() {
var type = $tzSelect.val();
if ( type == 'guess' ) {
// Get browser timezone & fill it in
minuteDiff = -new Date().getTimezoneOffset();
$tzTextbox.val( minutesToHours( minuteDiff ) );
$tzSelect.val( 'other' );
$tzTextbox.get( 0 ).disabled = false;
} else if ( type == 'other' ) {
// Grab data from the textbox, parse it.
minuteDiff = hoursToMinutes( $tzTextbox.val() );
} else {
// Grab data from the $tzSelect value
minuteDiff = parseInt( type.split( '|' )[1], 10 ) || 0;
$tzTextbox.val( minutesToHours( minuteDiff ) );
}
// Determine local time from server time and minutes difference, for display.
var localTime = servertime + minuteDiff;
// Bring time within the [0,1440) range.
while ( localTime < 0 ) {
localTime += 1440;
}
while ( localTime >= 1440 ) {
localTime -= 1440;
}
$localtimeHolder.text( minutesToHours( localTime ) );
};
if ( $tzSelect.length && $tzTextbox.length ) {
$tzSelect.change( function() { updateTimezoneSelection(); } );
$tzTextbox.blur( function() { updateTimezoneSelection(); } );
updateTimezoneSelection();
}
} )( jQuery, mediaWiki );
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