A Sencha Store Ajax JSON proxy reader/writer example

This Sencha Store Ajax JSON proxy reader/writer example comes from the link shown. It shows how to use:

• Ext.data.Store
• An Ajax proxy
• An api configuration
• A Reader configuration
• A Writer configuration
• A write listener

Ext.onReady(function() {
    Ext.tip.QuickTipManager.init();
    var store = Ext.create('Ext.data.Store', {
        model: 'Writer.Person',
        autoLoad: true,
        autoSync: true,
        proxy: {
            type: 'ajax',
            api: {
                read: 'app.php/users/view',
                create: 'app.php/users/create',
                update: 'app.php/users/update',
                destroy: 'app.php/users/destroy'
            },
            reader: {
                type: 'json',
                successProperty: 'success',
                root: 'data',
                messageProperty: 'message'
            },
            writer: {
                type: 'json',
                writeAllFields: false,
                root: 'data'
            },
            listeners: {
                exception: function(proxy, response, operation){
                    Ext.MessageBox.show({
                        title: 'REMOTE EXCEPTION',
                        msg: operation.getError(),
                        icon: Ext.MessageBox.ERROR,
                        buttons: Ext.Msg.OK
                    });
                }
            }
        },
        listeners: {
            write: function(proxy, operation){
                if (operation.action == 'destroy') {
                    main.child('#form').setActiveRecord(null);
                }
                Ext.example.msg(operation.action, operation.resultSet.message);
            }
        }
    });