wangtao
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fireInternet


			
				
					
						
						
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  <pre class="prettyprint lang-js"><span id='Ext-ux-PreviewPlugin'>/**
</span> * @class Ext.ux.PreviewPlugin
 * @extends Ext.AbstractPlugin
 *
 * The Preview enables you to show a configurable preview of a record.
 *
 * This plugin assumes that it has control over the features used for this
 * particular grid section and may conflict with other plugins.
 * 
 * @alias plugin.preview
 * @ptype preview
 */
Ext.define('Ext.ux.PreviewPlugin', {
    extend: 'Ext.AbstractPlugin',
    alias: 'plugin.preview',
    requires: ['Ext.grid.feature.RowBody', 'Ext.grid.feature.RowWrap'],
    
    // private, css class to use to hide the body
    hideBodyCls: 'x-grid-row-body-hidden',
    
<span id='Ext-ux-PreviewPlugin-cfg-bodyField'>    /**
</span>     * @cfg {String} bodyField
     * Field to display in the preview. Must be a field within the Model definition
     * that the store is using.
     */
    bodyField: '',
    
<span id='Ext-ux-PreviewPlugin-cfg-previewExpanded'>    /**
</span>     * @cfg {Boolean} previewExpanded
     */
    previewExpanded: true,
    
    constructor: function(config) {
        this.callParent(arguments);
        var bodyField   = this.bodyField,
            hideBodyCls = this.hideBodyCls,
            section     = this.getCmp(),
            features = [{
                ftype: 'rowbody',
                getAdditionalData: function(data, idx, record, orig, view) {
                    var o = Ext.grid.feature.RowBody.prototype.getAdditionalData.apply(this, arguments);
                    Ext.apply(o, {
                        rowBody: data[bodyField],
                        rowBodyCls: section.previewExpanded ? '' : hideBodyCls
                    });
                    return o;
                }
            },{
                ftype: 'rowwrap'
            }];
        
        section.previewExpanded = this.previewExpanded;
        if (!section.features) {
            section.features = [];
        }
        section.features = features.concat(section.features);
    },
    
<span id='Ext-ux-PreviewPlugin-method-toggleExpanded'>    /**
</span>     * Toggle between the preview being expanded/hidden
     * @param {Boolean} expanded Pass true to expand the record and false to not show the preview.
     */
    toggleExpanded: function(expanded) {
        var view = this.getCmp();
        this.previewExpanded = view.previewExpanded = expanded;
        view.refresh();
    }
});</pre>
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