问题是向rallygridboard自定义HTML添加列

Question

我要做的是设置一个自定义报告，将一组特定的用户故事导出到Excel，并添加一个下拉列表以按用户故事排序。

我在向网格添加列'Parent'时遇到问题，认为这将是一项简单的任务，但我遇到了障碍。

任何帮助都会很棒！ 谢谢！

Ext.define('CustomApp', {
extend: 'Rally.app.App',
componentCls: 'app',

              launch: function() {

               var filter = Ext.create('Rally.data.QueryFilter', {
                        property: 'c_Priority',
                        operator: '=',
                        value: '90 days'
                    });
                    filter = filter.or({
                        property: 'c_Priority',
                        operator: '=',
                        value: '60 days' 
                    });
                     filter = filter.or({
                        property: 'c_Priority',
                        operator: '=',
                        value: '30 days'
                    });
                     filter = filter.or({
                        property: 'c_Priority',
                        operator: '=',
                        value: '120 days'
                    });
                     filter = filter.or({
                        property: 'c_Priority',
                        operator: '=',
                        value: '120+ days'
                    });                        
                    filter.toString();

                Ext.create('Rally.data.wsapi.TreeStoreBuilder').build({
                    models: ['User Story'],
                    autoLoad: true,
                    enableHierarchy: true,
                    filters: filter,
                }).then({
                    success: this._onStoreBuilt,
                    scope: this
                });
            },

            _onStoreBuilt: function(store) {
                var modelNames = ['User story'],
                    context = this.getContext();
                this.add({
                    xtype: 'rallygridboard',
                    context: context,
                    modelNames: modelNames,
                    toggleState: 'grid',
                    stateful: false,

                    plugins: [
                        {
                            ptype: 'rallygridboardactionsmenu',
                            menuItems: [
                                {
                                    text: 'Export...',
                                    handler: function() {
                                        window.location = Rally.ui.grid.GridCsvExport.buildCsvExportUrl(
                                            this.down('rallygridboard').getGridOrBoard());
                                    },
                                    scope: this
                                }
                            ],
                            buttonConfig: {
                                iconCls: 'icon-export'
                            }
                        }
                    ],
                    gridConfig: {
                        store: store,

                        columnCfgs: [
                            'Name',
                            'ScheduleState',
                            'PlanEstimate', 
                            'c_Priority',
                            'Owner',
                            'Parent'
                              ]
                    },
                    height: this.getHeight()

                });
                console.log(store);
            }
        });