Ext.require('Ext.chart.*'); Ext.require(['Ext.Window', 'Ext.layout.container.Fit', 'Ext.fx.target.Sprite', 'Ext.window.MessageBox']); Ext.onReady(function () { var chart = Ext.create('Ext.chart.Chart', { id: 'chartCmp', xtype: 'chart', style: 'background:#fff', animate: true, shadow: true, store: store1, axes: [{ type: 'Numeric', position: 'left', fields: ['data1'], label: { renderer: Ext.util.Format.numberRenderer('0,0') }, title: 'Number of Hits', grid: true, minimum: 0 }, { type: 'Category', position: 'bottom', fields: ['name'], title: 'Month of the Year' }], series: [{ type: 'column', axis: 'left', highlight: true, tips: { trackMouse: true, width: 140, height: 28, renderer: function(storeItem, item) { this.setTitle(storeItem.get('name') + ': ' + storeItem.get('data1') + ' $'); } }, label: { display: 'insideEnd', 'text-anchor': 'middle', field: 'data1', renderer: Ext.util.Format.numberRenderer('0'), orientation: 'vertical', color: '#333' }, xField: 'name', yField: 'data1' }] }); var win = Ext.create('Ext.Window', { width: 800, height: 600, minHeight: 400, minWidth: 550, hidden: false, maximizable: true, title: 'Column Chart', renderTo: Ext.getBody(), layout: 'fit', tbar: [{ text: 'Save Chart', handler: function() { Ext.MessageBox.confirm('Confirm Download', 'Would you like to download the chart as an image?', function(choice){ if(choice == 'yes'){ chart.save({ type: 'image/png' }); } }); } }, { text: 'Reload Data', handler: function() { store1.loadData(generateData()); } }], items: chart }); });