Label.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:3k
源码类别:
中间件编程
开发平台:
JavaScript
- /*!
- * Ext JS Library 3.0.0
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
- /**
- * @class Ext.form.Label
- * @extends Ext.BoxComponent
- * Basic Label field.
- * @constructor
- * Creates a new Label
- * @param {Ext.Element/String/Object} config The configuration options. If an element is passed, it is set as the internal
- * element and its id used as the component id. If a string is passed, it is assumed to be the id of an existing element
- * and is used as the component id. Otherwise, it is assumed to be a standard config object and is applied to the component.
- * @xtype label
- */
- Ext.form.Label = Ext.extend(Ext.BoxComponent, {
- /**
- * @cfg {String} text The plain text to display within the label (defaults to ''). If you need to include HTML
- * tags within the label's innerHTML, use the {@link #html} config instead.
- */
- /**
- * @cfg {String} forId The id of the input element to which this label will be bound via the standard HTML 'for'
- * attribute. If not specified, the attribute will not be added to the label.
- */
- /**
- * @cfg {String} html An HTML fragment that will be used as the label's innerHTML (defaults to '').
- * Note that if {@link #text} is specified it will take precedence and this value will be ignored.
- */
- // private
- onRender : function(ct, position){
- if(!this.el){
- this.el = document.createElement('label');
- this.el.id = this.getId();
- this.el.innerHTML = this.text ? Ext.util.Format.htmlEncode(this.text) : (this.html || '');
- if(this.forId){
- this.el.setAttribute('for', this.forId);
- }
- }
- Ext.form.Label.superclass.onRender.call(this, ct, position);
- },
- /**
- * Updates the label's innerHTML with the specified string.
- * @param {String} text The new label text
- * @param {Boolean} encode (optional) False to skip HTML-encoding the text when rendering it
- * to the label (defaults to true which encodes the value). This might be useful if you want to include
- * tags in the label's innerHTML rather than rendering them as string literals per the default logic.
- * @return {Label} this
- */
- setText : function(t, encode){
- var e = encode === false;
- this[!e ? 'text' : 'html'] = t;
- delete this[e ? 'text' : 'html'];
- if(this.rendered){
- this.el.dom.innerHTML = encode !== false ? Ext.util.Format.htmlEncode(t) : t;
- }
- return this;
- }
- });
- Ext.reg('label', Ext.form.Label);