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POHighlighting Bars in a chart when clicking on the related data in a grid with ExtJS 4
 

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  1. POHighlighting Bars in a chart when clicking on the related data in a grid with ExtJS 4
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    <p>I have two objects on my screen, a grid and a chart being populated by the same store. What I need to do is highlight the Column on the chart related to the item I clicked in the grid.</p> <p>In the function I've figured half way to do it using Ext.getCmp('chart').series.get(0). But don't know what to do to get to each item of the series and highlight it, as the getItemForPoint(x,y) keeps returning null values...</p> <p>Thanks a lot, code below: </p> <pre><code>// Code for my grid { columnWidth: .25 ,xtype: 'grid' ,hideHeaders: true ,border: true ,styke: 'padding-top: 60px;' ,height: 360 ,store: participation ,columns: [{ dataIndex: 'ID' ,width: 24 },{ dataIndex: 'Supplier' ,width: 204 }] ,listeners: { select: function() { // function to highlight the column on my chart } } } // Code for my chart { border: false ,layout: 'column' ,items: [{ columnWidth: .75 ,xtype: 'chart' ,animate: true ,height: 432 ,shadow: false ,id: 'chart' ,store: participation ,axes: [{ type: 'Numeric' ,position: 'left' ,grid: true ,fields: 'Participation' ,title: 'Share' ,label: { renderer: Ext.util.Format.numberRenderer('0.00'+"%") } },{ type: 'Category' ,position: 'bottom' ,fields: 'ID' }] ,series: [{ type: 'column' ,axis: 'left' ,highlight: 'true' ,xField: 'ID' ,yField: 'Participation' ,tips: { trackMouse: true ,width: 312 ,maxWidth: 360 ,height: 36 ,constrainPosition: true ,renderer: function(storeItem, item) { this.setTitle('Supplier: ' + storeItem.get('Supplier')+'&lt;br/&gt;'+'Share: ' + Ext.util.Format.number(storeItem.get('Share'),"0.00")+'%'); } } ,style: { lineWidth: 1 ,stroke: '#666' } }] } } </code></pre>
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    1. USGuilherme Lopes
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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