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| Direktori : /www/varak.net/wiki.varak.net/resources/src/mediawiki/ |
| Current File : //www/varak.net/wiki.varak.net/resources/src/mediawiki/mediawiki.htmlform.js |
/**
* Utility functions for jazzing up HTMLForm elements.
*
* @class jQuery.plugin.htmlform
*/
( function ( mw, $ ) {
var cloneCounter = 0;
/**
* Helper function for hide-if to find the nearby form field.
*
* Find the closest match for the given name, "closest" being the minimum
* level of parents to go to find a form field matching the given name or
* ending in array keys matching the given name (e.g. "baz" matches
* "foo[bar][baz]").
*
* @private
* @param {jQuery} $el
* @param {string} name
* @return {jQuery|null}
*/
function hideIfGetField( $el, name ) {
var $found, $p,
suffix = name.replace( /^([^\[]+)/, '[$1]' );
function nameFilter() {
return this.name === name ||
( this.name === ( 'wp' + name ) ) ||
this.name.slice( -suffix.length ) === suffix;
}
for ( $p = $el.parent(); $p.length > 0; $p = $p.parent() ) {
$found = $p.find( '[name]' ).filter( nameFilter );
if ( $found.length ) {
return $found;
}
}
return null;
}
/**
* Helper function for hide-if to return a test function and list of
* dependent fields for a hide-if specification.
*
* @private
* @param {jQuery} $el
* @param {Array} spec
* @return {Array}
* @return {jQuery} return.0 Dependent fields
* @return {Function} return.1 Test function
*/
function hideIfParse( $el, spec ) {
var op, i, l, v, $field, $fields, fields, func, funcs, getVal;
op = spec[ 0 ];
l = spec.length;
switch ( op ) {
case 'AND':
case 'OR':
case 'NAND':
case 'NOR':
funcs = [];
fields = [];
for ( i = 1; i < l; i++ ) {
if ( !$.isArray( spec[ i ] ) ) {
throw new Error( op + ' parameters must be arrays' );
}
v = hideIfParse( $el, spec[ i ] );
fields = fields.concat( v[ 0 ].toArray() );
funcs.push( v[ 1 ] );
}
$fields = $( fields );
l = funcs.length;
switch ( op ) {
case 'AND':
func = function () {
var i;
for ( i = 0; i < l; i++ ) {
if ( !funcs[ i ]() ) {
return false;
}
}
return true;
};
break;
case 'OR':
func = function () {
var i;
for ( i = 0; i < l; i++ ) {
if ( funcs[ i ]() ) {
return true;
}
}
return false;
};
break;
case 'NAND':
func = function () {
var i;
for ( i = 0; i < l; i++ ) {
if ( !funcs[ i ]() ) {
return true;
}
}
return false;
};
break;
case 'NOR':
func = function () {
var i;
for ( i = 0; i < l; i++ ) {
if ( funcs[ i ]() ) {
return false;
}
}
return true;
};
break;
}
return [ $fields, func ];
case 'NOT':
if ( l !== 2 ) {
throw new Error( 'NOT takes exactly one parameter' );
}
if ( !$.isArray( spec[ 1 ] ) ) {
throw new Error( 'NOT parameters must be arrays' );
}
v = hideIfParse( $el, spec[ 1 ] );
$fields = v[ 0 ];
func = v[ 1 ];
return [ $fields, function () {
return !func();
} ];
case '===':
case '!==':
if ( l !== 3 ) {
throw new Error( op + ' takes exactly two parameters' );
}
$field = hideIfGetField( $el, spec[ 1 ] );
if ( !$field ) {
return [ $(), function () {
return false;
} ];
}
v = spec[ 2 ];
if ( $field.first().prop( 'type' ) === 'radio' ||
$field.first().prop( 'type' ) === 'checkbox'
) {
getVal = function () {
var $selected = $field.filter( ':checked' );
return $selected.length ? $selected.val() : '';
};
} else {
getVal = function () {
return $field.val();
};
}
switch ( op ) {
case '===':
func = function () {
return getVal() === v;
};
break;
case '!==':
func = function () {
return getVal() !== v;
};
break;
}
return [ $field, func ];
default:
throw new Error( 'Unrecognized operation \'' + op + '\'' );
}
}
/**
* jQuery plugin to fade or snap to visible state.
*
* @param {boolean} [instantToggle=false]
* @return {jQuery}
* @chainable
*/
$.fn.goIn = function ( instantToggle ) {
if ( instantToggle === true ) {
return this.show();
}
return this.stop( true, true ).fadeIn();
};
/**
* jQuery plugin to fade or snap to hiding state.
*
* @param {boolean} [instantToggle=false]
* @return {jQuery}
* @chainable
*/
$.fn.goOut = function ( instantToggle ) {
if ( instantToggle === true ) {
return this.hide();
}
return this.stop( true, true ).fadeOut();
};
/**
* Bind a function to the jQuery object via live(), and also immediately trigger
* the function on the objects with an 'instant' parameter set to true.
*
* @method liveAndTestAtStart
* @deprecated since 1.24 Use .on() and .each() directly.
* @param {Function} callback
* @param {boolean|jQuery.Event} callback.immediate True when the event is called immediately,
* an event object when triggered from an event.
* @chainable
* @return {jQuery}
*/
mw.log.deprecate( $.fn, 'liveAndTestAtStart', function ( callback ) {
return this
// Can't really migrate to .on() generically, needs knowledge of
// calling code to know the correct selector. Fix callers and
// get rid of this .liveAndTestAtStart() hack.
.live( 'change', callback )
.each( function () {
callback.call( this, true );
} );
} );
function enhance( $root ) {
var $matrixTooltips, $autocomplete,
// cache the separator to avoid object creation on each keypress
colonSeparator = mw.message( 'colon-separator' ).text();
/**
* @ignore
* @param {boolean|jQuery.Event} instant
*/
function handleSelectOrOther( instant ) {
var $other = $root.find( '#' + $( this ).attr( 'id' ) + '-other' );
$other = $other.add( $other.siblings( 'br' ) );
if ( $( this ).val() === 'other' ) {
$other.goIn( instant );
} else {
$other.goOut( instant );
}
}
// Animate the SelectOrOther fields, to only show the text field when
// 'other' is selected.
$root
.on( 'change', '.mw-htmlform-select-or-other', handleSelectOrOther )
.each( function () {
handleSelectOrOther.call( this, true );
} );
// Add a dynamic max length to the reason field of SelectAndOther
// This checks the length together with the value from the select field
// When the reason list is changed and the bytelimit is longer than the allowed,
// nothing is done
$root
.find( '.mw-htmlform-select-and-other-field' )
.each( function () {
var $this = $( this ),
// find the reason list
$reasonList = $root.find( '#' + $this.data( 'id-select' ) ),
// cache the current selection to avoid expensive lookup
currentValReasonList = $reasonList.val();
$reasonList.change( function () {
currentValReasonList = $reasonList.val();
} );
$this.byteLimit( function ( input ) {
// Should be built the same as in HTMLSelectAndOtherField::loadDataFromRequest
var comment = currentValReasonList;
if ( comment === 'other' ) {
comment = input;
} else if ( input !== '' ) {
// Entry from drop down menu + additional comment
comment += colonSeparator + input;
}
return comment;
} );
} );
// Set up hide-if elements
$root.find( '.mw-htmlform-hide-if' ).each( function () {
var v, $fields, test, func,
$el = $( this ),
spec = $el.data( 'hideIf' );
if ( !spec ) {
return;
}
v = hideIfParse( $el, spec );
$fields = v[ 0 ];
test = v[ 1 ];
func = function () {
if ( test() ) {
$el.hide();
} else {
$el.show();
}
};
$fields.on( 'change', func );
func();
} );
function addMulti( $oldContainer, $container ) {
var name = $oldContainer.find( 'input:first-child' ).attr( 'name' ),
oldClass = ( ' ' + $oldContainer.attr( 'class' ) + ' ' ).replace( /(mw-htmlform-field-HTMLMultiSelectField|mw-chosen)/g, '' ),
$select = $( '<select>' ),
dataPlaceholder = mw.message( 'htmlform-chosen-placeholder' );
oldClass = $.trim( oldClass );
$select.attr( {
name: name,
multiple: 'multiple',
'data-placeholder': dataPlaceholder.plain(),
'class': 'htmlform-chzn-select mw-input ' + oldClass
} );
$oldContainer.find( 'input' ).each( function () {
var $oldInput = $( this ),
checked = $oldInput.prop( 'checked' ),
$option = $( '<option>' );
$option.prop( 'value', $oldInput.prop( 'value' ) );
if ( checked ) {
$option.prop( 'selected', true );
}
$option.text( $oldInput.prop( 'value' ) );
$select.append( $option );
} );
$container.append( $select );
}
function convertCheckboxesToMulti( $oldContainer, type ) {
var $fieldLabel = $( '<td>' ),
$td = $( '<td>' ),
$fieldLabelText = $( '<label>' ),
$container;
if ( type === 'tr' ) {
addMulti( $oldContainer, $td );
$container = $( '<tr>' );
$container.append( $td );
} else if ( type === 'div' ) {
$fieldLabel = $( '<div>' );
$container = $( '<div>' );
addMulti( $oldContainer, $container );
}
$fieldLabel.attr( 'class', 'mw-label' );
$fieldLabelText.text( $oldContainer.find( '.mw-label label' ).text() );
$fieldLabel.append( $fieldLabelText );
$container.prepend( $fieldLabel );
$oldContainer.replaceWith( $container );
return $container;
}
if ( $root.find( '.mw-chosen' ).length ) {
mw.loader.using( 'jquery.chosen', function () {
$root.find( '.mw-chosen' ).each( function () {
var type = this.nodeName.toLowerCase(),
$converted = convertCheckboxesToMulti( $( this ), type );
$converted.find( '.htmlform-chzn-select' ).chosen( { width: 'auto' } );
} );
} );
}
$matrixTooltips = $root.find( '.mw-htmlform-matrix .mw-htmlform-tooltip' );
if ( $matrixTooltips.length ) {
mw.loader.using( 'jquery.tipsy', function () {
$matrixTooltips.tipsy( { gravity: 's' } );
} );
}
// Set up autocomplete fields
$autocomplete = $root.find( '.mw-htmlform-autocomplete' );
if ( $autocomplete.length ) {
mw.loader.using( 'jquery.suggestions', function () {
$autocomplete.suggestions( {
fetch: function ( val ) {
var $el = $( this );
$el.suggestions( 'suggestions',
$.grep( $el.data( 'autocomplete' ), function ( v ) {
return v.indexOf( val ) === 0;
} )
);
}
} );
} );
}
// Add/remove cloner clones without having to resubmit the form
$root.find( '.mw-htmlform-cloner-delete-button' ).filter( ':input' ).click( function ( ev ) {
ev.preventDefault();
$( this ).closest( 'li.mw-htmlform-cloner-li' ).remove();
} );
$root.find( '.mw-htmlform-cloner-create-button' ).filter( ':input' ).click( function ( ev ) {
var $ul, $li, html;
ev.preventDefault();
$ul = $( this ).prev( 'ul.mw-htmlform-cloner-ul' );
html = $ul.data( 'template' ).replace(
new RegExp( mw.RegExp.escape( $ul.data( 'uniqueId' ) ), 'g' ),
'clone' + ( ++cloneCounter )
);
$li = $( '<li>' )
.addClass( 'mw-htmlform-cloner-li' )
.html( html )
.appendTo( $ul );
enhance( $li );
} );
mw.hook( 'htmlform.enhance' ).fire( $root );
}
$( function () {
enhance( $( document ) );
} );
/**
* @class jQuery
* @mixins jQuery.plugin.htmlform
*/
}( mediaWiki, jQuery ) );