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Theme Customizer: Trigger UI updates only when necessary. 

git-svn-id: http://svn.automattic.com/wordpress/trunk@20034 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
koopersmith 2012-02-29 06:18:17 +00:00
parent b599bef67a
commit b198c61062
1 changed files with 17 additions and 18 deletions
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35
wp-includes/js/customize-base.dev.js
View File

@ -280,21 +280,11 @@ if ( typeof wp === 'undefined' )
return typeof element == 'string' ? $( element ) : element; return typeof element == 'string' ? $( element ) : element;
}; };
sync = {
'val': {
update: function() {
this.element[ this._updater ]( this._value );
},
refresh: function() {
this.set( this.element[ this._refresher ]() );
}
}
}
api.Element = api.Value.extend({ api.Element = api.Value.extend({
initialize: function( element, options ) { initialize: function( element, options ) {
var synchronizer = api.Element.synchronizer.html, var self = this,
type; synchronizer = api.Element.synchronizer.html,
type, update, refresh;
this.element = api.ensure( element ); this.element = api.ensure( element );
this.events = ''; this.events = '';
@ -315,9 +305,18 @@ if ( typeof wp === 'undefined' )
api.Value.prototype.initialize.call( this, null, $.extend( options || {}, synchronizer ) ); api.Value.prototype.initialize.call( this, null, $.extend( options || {}, synchronizer ) );
this._value = this.get(); this._value = this.get();
this.bind( this.update ); update = this.update;
refresh = this.refresh;
this.refresh = $.proxy( this.refresh, this ); this.update = function( to ) {
if ( to !== refresh.call( self ) )
update.apply( this, arguments );
};
this.refresh = function() {
self.set( refresh.call( self ) );
};
this.bind( this.update );
this.element.bind( this.events, this.refresh ); this.element.bind( this.events, this.refresh );
}, },
@ -337,7 +336,7 @@ if ( typeof wp === 'undefined' )
this.element[ method ]( to ); this.element[ method ]( to );
}, },
refresh: function() { refresh: function() {
this.set( this.element[ method ]() ); return this.element[ method ]();
} }
}; };
}); });
@ -347,7 +346,7 @@ if ( typeof wp === 'undefined' )
this.element.prop( 'checked', to ); this.element.prop( 'checked', to );
}, },
refresh: function() { refresh: function() {
this.set( this.element.prop( 'checked' ) ); return this.element.prop( 'checked' );
} }
}; };
@ -358,7 +357,7 @@ if ( typeof wp === 'undefined' )
}).prop( 'checked', true ); }).prop( 'checked', true );
}, },
refresh: function() { refresh: function() {
this.set( this.element.filter( ':checked' ).val() ); return this.element.filter( ':checked' ).val();
} }
}; };