extjs4.1

can anybody tell How to show label with line and display label outside in extjs4.1.I want to display label outside of pie and show line to map the label eg / \ \ test test1 test2 You've got the display option of the label config , that you can set to 'outside'. As for the lines, you'll have to draw them yourself... Which would be a quite involved hack IMO. If you're interested in trying, that takes place in Ext.chart.Label#renderLabels() , and uses Ext.chart.series.Pie 's onCreateLabel() and onPlaceLabel() methods. Don't forget to take your trigonometry with you before diving in there! 来源：

I have a grid panel where some cells are editable, and others aren't. I'd like to make it so that when you tab through the grid with your keyboard, the non-editable cells are skipped over i.e. never get selected. Here's my simple grid so far: var store = Ext.create('Ext.data.Store', { fields:['name', 'age', 'country'], data:[ {name:'Lisa', age:13, country: 'USA'}, {name:'Bart', age:75, country: 'France'}, {name:'Homer', age:32, country: 'Germany'}, {name:'Marge', age:56, country: 'Australia'} ] }); var grid = Ext.create('Ext.grid.Panel', { title: 'People', store: store, columns: [ {header:

I'm looking for a way to combine local data with ajax loaded data in a single store. It's difficult for me to explain this in english, I hope this piece of code will be more explicit : var store = Ext.create('Ext.data.Store', { autoLoad: true, fields: ['id', 'name'], proxy: { type: 'ajax', api: { read: '/read' } }, data: [{ id: 1, name: 'John' }] }); Json returned by "/read" : [{ id: 2, name: 'Jack' }] . Desired behaviour : store.count() // 2 You can use .load({addRecords: true} to add loaded records to existing records. Of course if you load again with the addRecords: true option enabled it