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/*
* JavaScript for Special:Preferences
*/
jQuery( document ).ready( function ( $ ) {
$( '#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' );
/**
* It uses document.getElementById for security reasons (html injections in
* jQuery()).
*
* @param String name: the name of a tab without the prefix ("mw-prefsection-")
* @param String mode: [optional] A hash will be set according to the current
* open section. Set mode 'noHash' to surpress this.
*/
function switchPrefTab( name, mode ) {
var $tab, scrollTop;
// Handle hash manually to prevent jumping,
// therefore save and restore scrollTop to prevent jumping.
scrollTop = $( window ).scrollTop();
if ( mode !== 'noHash' ) {
window.location.hash = '#mw-prefsection-' + name;
}
$( window ).scrollTop( scrollTop );
$preftoc.find( 'li' ).removeClass( 'selected' );
$tab = $( document.getElementById( 'preftab-' + name ) );
if ( $tab.length ) {
$tab.parent().addClass( 'selected' );
$preferences.children( 'fieldset' ).hide();
$( document.getElementById( 'mw-prefsection-' + name ) ).show();
}
}
// 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
});
$li.append( $a );
$preftoc.append( $li );
} );
// If we've reloaded the page or followed an open-in-new-window,
// make the selected tab visible.
var hash = window.location.hash;
if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) {
switchPrefTab( hash.replace( '#mw-prefsection-' , '' ) );
}
// In browsers that support the onhashchange event we will not bind click
// handlers and instead let the browser do the default behavior (clicking the
// <a href="#.."> will naturally set the hash, handled by onhashchange.
// But other things that change the hash will also be catched (e.g. using
// the Back and Forward browser navigation).
if ( 'onhashchange' in window ) {
$(window).on( 'hashchange' , function () {
var hash = window.location.hash;
if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) {
switchPrefTab( hash.replace( '#mw-prefsection-', '' ) );
} else if ( hash === '' ) {
switchPrefTab( 'personal', 'noHash' );
}
});
// In older browsers we'll bind a click handler as fallback.
// We must not have onhashchange *and* the click handlers, other wise
// the click handler calls switchPrefTab() which sets the hash value,
// which triggers onhashcange and calls switchPrefTab() again.
} else {
$preftoc.on( 'click', 'li a', function ( e ) {
switchPrefTab( $( this ).attr( 'href' ).replace( '#mw-prefsection-', '' ) );
e.preventDefault();
});
}
/**
* 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();
}
} );
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