CenterLayout.js
资源名称:ext-3.1.0.zip [点击查看]
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上传日期:2022-08-06
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文件大小:2k
源码类别:
JavaScript
开发平台:
JavaScript
- /*!
- * Ext JS Library 3.1.0
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
- // We are adding these custom layouts to a namespace that does not
- // exist by default in Ext, so we have to add the namespace first:
- Ext.ns('Ext.ux.layout');
- /**
- * @class Ext.ux.layout.CenterLayout
- * @extends Ext.layout.FitLayout
- * <p>This is a very simple layout style used to center contents within a container. This layout works within
- * nested containers and can also be used as expected as a Viewport layout to center the page layout.</p>
- * <p>As a subclass of FitLayout, CenterLayout expects to have a single child panel of the container that uses
- * the layout. The layout does not require any config options, although the child panel contained within the
- * layout must provide a fixed or percentage width. The child panel's height will fit to the container by
- * default, but you can specify <tt>autoHeight:true</tt> to allow it to autosize based on its content height.
- * Example usage:</p>
- * <pre><code>
- // The content panel is centered in the container
- var p = new Ext.Panel({
- title: 'Center Layout',
- layout: 'ux.center',
- items: [{
- title: 'Centered Content',
- width: '75%',
- html: 'Some content'
- }]
- });
- // If you leave the title blank and specify no border
- // you'll create a non-visual, structural panel just
- // for centering the contents in the main container.
- var p = new Ext.Panel({
- layout: 'ux.center',
- border: false,
- items: [{
- title: 'Centered Content',
- width: 300,
- autoHeight: true,
- html: 'Some content'
- }]
- });
- </code></pre>
- */
- Ext.ux.layout.CenterLayout = Ext.extend(Ext.layout.FitLayout, {
- // private
- setItemSize : function(item, size){
- this.container.addClass('ux-layout-center');
- item.addClass('ux-layout-center-item');
- if(item && size.height > 0){
- if(item.width){
- size.width = item.width;
- }
- item.setSize(size);
- }
- }
- });
- Ext.Container.LAYOUTS['ux.center'] = Ext.ux.layout.CenterLayout;