/** * The Preview Plugin enables toggle of a configurable preview of all visible records. * * Note: This plugin does NOT assert itself against an existing RowBody feature and may conflict with * another instance of the same plugin. */Ext.define('Ext.ux.PreviewPlugin', { extend: 'Ext.plugin.Abstract', alias: 'plugin.preview', requires: ['Ext.grid.feature.RowBody'], /** * @private * css class to use to hide the body */ hideBodyCls: 'x-grid-row-body-hidden', /** * @cfg {String} bodyField * Field to display in the preview. Must be a field within the Model definition * that the store is using. */ bodyField: '', /** * @cfg {Boolean} previewExpanded */ previewExpanded: true, /** * Plugin may be safely declared on either a panel.Grid or a Grid View/viewConfig * @param {Ext.grid.Panel/Ext.view.View} target */ setCmp: function(target) { this.callParent(arguments); // Resolve grid from view as necessary var me = this, grid = me.cmp = target.isXType('gridview') ? target.grid : target, bodyField = me.bodyField, hideBodyCls = me.hideBodyCls, feature = Ext.create('Ext.grid.feature.RowBody', { grid : grid, getAdditionalData: function(data, idx, model, rowValues) { var getAdditionalData = Ext.grid.feature.RowBody.prototype.getAdditionalData, additionalData = { rowBody: data[bodyField], rowBodyCls: grid.getView().previewExpanded ? '' : hideBodyCls }; if (Ext.isFunction(getAdditionalData)) { // "this" is the RowBody object hjere. Do not change to "me" Ext.apply(additionalData, getAdditionalData.apply(this, arguments)); } return additionalData; } }), initFeature = function(grid, view) { view.previewExpanded = me.previewExpanded; // By this point, existing features are already in place, so this must be initialized and added view.featuresMC.add(feature); feature.init(grid); }; // The grid has already created its view if (grid.view) { initFeature(grid, grid.view); } // At the time a grid creates its plugins, it has not created all the things // it needs to create its view correctly. // Process the view and init the RowBody Feature as soon as the view is created. else { grid.on({ viewcreated: initFeature, single: true }); } }, /** * Toggle between the preview being expanded/hidden on all rows * @param {Boolean} expanded Pass true to expand the record and false to not show the preview. */ toggleExpanded: function(expanded) { var grid = this.getCmp(), view = grid && grid.getView(), bufferedRenderer = view.bufferedRenderer, scrollManager = view.scrollManager; if (grid && view && expanded !== view.previewExpanded ) { this.previewExpanded = view.previewExpanded = !!expanded; view.refreshView(); // If we are using the touch scroller, ensure that the scroller knows about // the correct scrollable range if (scrollManager) { if (bufferedRenderer) { bufferedRenderer.stretchView(view, bufferedRenderer.getScrollHeight(true)); } else { scrollManager.refresh(true); } } } }});