Current File : /www/varak.net/wiki.varak.net/resources/src/mediawiki.special/mediawiki.special.preferences.js
/*!
* JavaScript for Special:Preferences
*/
( function ( mw, $ ) {
$( function () {
var $preftoc, $preferences, $fieldsets, labelFunc,
$tzSelect, $tzTextbox, $localtimeHolder, servertime, allowCloseWindow,
convertmessagebox = require( 'mediawiki.notification.convertmessagebox' );
labelFunc = function () {
return this.id.replace( /^mw-prefsection/g, 'preftab' );
};
$( '#prefsubmit' ).attr( 'id', 'prefcontrol' );
$preftoc = $( '#preftoc' );
$preferences = $( '#preferences' );
$fieldsets = $preferences.children( 'fieldset' )
.attr( {
role: 'tabpanel',
'aria-labelledby': labelFunc
} );
$fieldsets.not( '#mw-prefsection-personal' )
.hide()
.attr( 'aria-hidden', 'true' );
// T115692: The following is kept for backwards compatibility with older skins
$preferences.addClass( 'jsprefs' );
$fieldsets.addClass( 'prefsection' );
$fieldsets.children( 'legend' ).addClass( 'mainLegend' );
// Make sure the accessibility tip is selectable so that screen reader users take notice,
// but hide it per default to reduce interface clutter. Also make sure it becomes visible
// when selected. Similar to jquery.mw-jump
$( '<div>' ).addClass( 'mw-navigation-hint' )
.text( mw.msg( 'prefs-tabs-navigation-hint' ) )
.attr( 'tabIndex', 0 )
.on( 'focus blur', function ( e ) {
if ( e.type === 'blur' || e.type === 'focusout' ) {
$( this ).css( 'height', '0' );
} else {
$( this ).css( 'height', 'auto' );
}
} ).insertBefore( $preftoc );
/**
* It uses document.getElementById for security reasons (HTML injections in $()).
*
* @ignore
* @param {string} name the name of a tab without the prefix ("mw-prefsection-")
* @param {string} [mode] 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' ) {
location.hash = '#mw-prefsection-' + name;
}
$( window ).scrollTop( scrollTop );
$preftoc.find( 'li' ).removeClass( 'selected' )
.find( 'a' ).attr( {
tabIndex: -1,
'aria-selected': 'false'
} );
$tab = $( document.getElementById( 'preftab-' + name ) );
if ( $tab.length ) {
$tab.attr( {
tabIndex: 0,
'aria-selected': 'true'
} )
.focus()
.parent().addClass( 'selected' );
$preferences.children( 'fieldset' ).hide().attr( 'aria-hidden', 'true' );
$( document.getElementById( 'mw-prefsection-' + name ) ).show().attr( 'aria-hidden', 'false' );
}
}
// Check for successbox to replace with notifications
convertmessagebox();
// Enable keyboard users to use left and right keys to switch tabs
$preftoc.on( 'keydown', function ( event ) {
var keyLeft = 37,
keyRight = 39,
$el;
if ( event.keyCode === keyLeft ) {
$el = $( '#preftoc li.selected' ).prev().find( 'a' );
} else if ( event.keyCode === keyRight ) {
$el = $( '#preftoc li.selected' ).next().find( 'a' );
} else {
return;
}
if ( $el.length > 0 ) {
switchPrefTab( $el.attr( 'href' ).replace( '#mw-prefsection-', '' ) );
}
} );
// Jump to correct section as indicated by the hash.
// This function is called onload and onhashchange.
function detectHash() {
var hash = location.hash,
matchedElement, parentSection;
if ( hash.match( /^#mw-prefsection-[\w\-]+/ ) ) {
switchPrefTab( hash.replace( '#mw-prefsection-', '' ) );
} else if ( hash.match( /^#mw-[\w\-]+/ ) ) {
matchedElement = document.getElementById( hash.slice( 1 ) );
parentSection = $( matchedElement ).closest( '.prefsection' );
if ( parentSection.length ) {
// Switch to proper tab and scroll to selected item.
switchPrefTab( parentSection.attr( 'id' ).replace( 'mw-prefsection-', '' ), 'noHash' );
matchedElement.scrollIntoView();
}
}
}
// 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 caught (e.g. using
// the Back and Forward browser navigation).
// Note the special check for IE "compatibility" mode.
if ( 'onhashchange' in window &&
( document.documentMode === undefined || document.documentMode >= 8 )
) {
$( window ).on( 'hashchange', function () {
var hash = location.hash;
if ( hash.match( /^#mw-[\w\-]+/ ) ) {
detectHash();
} else if ( hash === '' ) {
switchPrefTab( 'personal', 'noHash' );
}
} )
// Run the function immediately to select the proper tab on startup.
.trigger( 'hashchange' );
// In older browsers we'll bind a click handler as fallback.
// We must not have onhashchange *and* the click handlers, otherwise
// the click handler calls switchPrefTab() which sets the hash value,
// which triggers onhashchange and calls switchPrefTab() again.
} else {
$preftoc.on( 'click', 'li a', function ( e ) {
switchPrefTab( $( this ).attr( 'href' ).replace( '#mw-prefsection-', '' ) );
e.preventDefault();
} );
// If we've reloaded the page or followed an open-in-new-window,
// make the selected tab visible.
detectHash();
}
// Timezone functions.
// Guesses Timezone from browser and updates fields onchange.
$tzSelect = $( '#mw-input-wptimecorrection' );
$tzTextbox = $( '#mw-input-wptimecorrection-other' );
$localtimeHolder = $( '#wpLocalTime' );
servertime = parseInt( $( 'input[name="wpServerTime"]' ).val(), 10 );
function minutesToHours( min ) {
var tzHour = Math.floor( Math.abs( min ) / 60 ),
tzMin = Math.abs( min ) % 60,
tzString = ( ( min >= 0 ) ? '' : '-' ) + ( ( tzHour < 10 ) ? '0' : '' ) + tzHour +
':' + ( ( tzMin < 10 ) ? '0' : '' ) + tzMin;
return tzString;
}
function hoursToMinutes( hour ) {
var minutes,
arr = hour.split( ':' );
arr[ 0 ] = parseInt( arr[ 0 ], 10 );
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;
}
}
function updateTimezoneSelection() {
var minuteDiff, localTime,
type = $tzSelect.val();
if ( type === 'other' ) {
// User specified time zone manually in <input>
// Grab data from the textbox, parse it.
minuteDiff = hoursToMinutes( $tzTextbox.val() );
} else {
// Time zone not manually specified by user
if ( type === 'guess' ) {
// Get browser timezone & fill it in
minuteDiff = -( new Date().getTimezoneOffset() );
$tzTextbox.val( minutesToHours( minuteDiff ) );
$tzSelect.val( 'other' );
$tzTextbox.prop( 'disabled', false );
} else {
// Grab data from the $tzSelect value
minuteDiff = parseInt( type.split( '|' )[ 1 ], 10 ) || 0;
$tzTextbox.val( minutesToHours( minuteDiff ) );
}
// Set defaultValue prop on the generated box so we don't trigger the
// unsaved preferences check
$tzTextbox.prop( 'defaultValue', $tzTextbox.val() );
}
// Determine local time from server time and minutes difference, for display.
localTime = servertime + minuteDiff;
// Bring time within the [0,1440) range.
localTime = ( ( localTime % 1440 ) + 1440 ) % 1440;
$localtimeHolder.text( mw.language.convertNumber( minutesToHours( localTime ) ) );
}
if ( $tzSelect.length && $tzTextbox.length ) {
$tzSelect.change( updateTimezoneSelection );
$tzTextbox.blur( updateTimezoneSelection );
updateTimezoneSelection();
}
// Preserve the tab after saving the preferences
// Not using cookies, because their deletion results are inconsistent.
// Not using jStorage due to its enormous size (for this feature)
if ( window.sessionStorage ) {
if ( sessionStorage.getItem( 'mediawikiPreferencesTab' ) !== null ) {
switchPrefTab( sessionStorage.getItem( 'mediawikiPreferencesTab' ), 'noHash' );
}
// Deleting the key, the tab states should be reset until we press Save
sessionStorage.removeItem( 'mediawikiPreferencesTab' );
$( '#mw-prefs-form' ).submit( function () {
var storageData = $( $preftoc ).find( 'li.selected a' ).attr( 'id' ).replace( 'preftab-', '' );
sessionStorage.setItem( 'mediawikiPreferencesTab', storageData );
} );
}
// Check if all of the form values are unchanged
function isPrefsChanged() {
var inputs = $( '#mw-prefs-form :input[name]' ),
input, $input, inputType,
index, optIndex,
opt;
for ( index = 0; index < inputs.length; index++ ) {
input = inputs[ index ];
$input = $( input );
// Different types of inputs have different methods for accessing defaults
if ( $input.is( 'select' ) ) {
// <select> has the property defaultSelected for each option
for ( optIndex = 0; optIndex < input.options.length; optIndex++ ) {
opt = input.options[ optIndex ];
if ( opt.selected !== opt.defaultSelected ) {
return true;
}
}
} else if ( $input.is( 'input' ) ) { // <input> has defaultValue or defaultChecked
inputType = input.type;
if ( inputType === 'radio' || inputType === 'checkbox' ) {
if ( input.checked !== input.defaultChecked ) {
return true;
}
} else if ( input.value !== input.defaultValue ) {
return true;
}
}
}
return false;
}
// Disable the button to save preferences unless preferences have changed
// Check if preferences have been changed before JS has finished loading
if ( !isPrefsChanged() ) {
$( '#prefcontrol' ).prop( 'disabled', true );
$( '#preferences > fieldset' ).one( 'change keydown mousedown', function () {
$( '#prefcontrol' ).prop( 'disabled', false );
} );
}
// Set up a message to notify users if they try to leave the page without
// saving.
allowCloseWindow = mw.confirmCloseWindow( {
test: isPrefsChanged,
message: mw.msg( 'prefswarning-warning', mw.msg( 'saveprefs' ) ),
namespace: 'prefswarning'
} );
$( '#mw-prefs-form' ).submit( $.proxy( allowCloseWindow, 'release' ) );
$( '#mw-prefs-restoreprefs' ).click( $.proxy( allowCloseWindow, 'release' ) );
} );
}( mediaWiki, jQuery ) );
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