3.5.2.1.51. 树形数据网格
TreeDataGrid
, 类似于DataGrid组件,用于显示和排序表格式数据,并提供显示层级结构数据和操作行列的方法,这些行和列由于只在滚动时按需加载数据,因而性能更好。
该组件用于显示具自引用关系的实体。例如,它可以用于展示文件系统或公司组织结构图。
该组件对应的 XML 名称: treeDataGrid
对于 TreeDataGrid
,应该设置两个属性:dataContainer
,它将 treeDataGrid
绑定到数据容器;hierarchyProperty
,它是引用同一实体的实体属性的名称。
在界面 XML 描述中定义的组件示例:
<data readOnly="true">
<collection id="departmentsDc" class="com.company.sales.entity.Department" view="department-view">
<loader id="departmentsDl">
<query>
<![CDATA[select e from sales_Department e]]>
</query>
</loader>
</collection>
</data>
<layout>
<treeDataGrid id="treeDataGrid" dataContainer="departmentsDc" hierarchyProperty="parentDept">
<columns>
<column id="name" property="name"/>
<column id="parentDept" property="parentDept"/>
</columns>
</treeDataGrid>
</layout>
TreeDataGrid
的功能类似于简单的DataGrid。
- treeDataGrid 的属性
-
aggregatable - aggregationPosition - align - caption - captionAsHtml - colspan - columnResizeMode - columnsCollapsingAllowed - contextMenuEnabled - css - dataContainer - description - descriptionAsHtml - editorBuffered - editorCancelCaption - editorEnabled - editorSaveCaption - emptyStateLinkMessage - emptyStateMessage - enable - box.expandRatio - frozenColumnCount - headerVisible - height - hierarchyProperty - htmlSanitizerEnabled - icon - id - metaClass - reorderingAllowed - responsive - rowspan - selectionMode - settingsEnabled - showOrphans - sortable - stylename - tabIndex - textSelectionEnabled - visible - width
- treeDataGrid 的元素
-
actions - buttonsPanel - columns - rowsCount
- columns 的属性
- column 的属性
-
caption - collapsed - collapsible - collapsingToggleCaption - editable - expandRatio - id - maximumWidth - minimumWidth - property - resizable - sort - sortable - width
- column 的元素
-
aggregation - checkBoxRenderer - componentRenderer - dateRenderer - formatter - iconRenderer - htmlRenderer - localDateRenderer - localDateTimeRenderer - numberRenderer - progressBarRenderer - textRenderer
- aggregation 的属性
- API
-
addGeneratedColumn - applySettings - createRenderer - edit - getAggregationResults - saveSettings - getColumns - setDescriptionProvider - addCellStyleProvider - setConverter - setDetailsGenerator - setEmptyStateLinkClickHandler - setEnterPressAction - setItemClickAction - setRenderer - setRowDescriptionProvider - addRowStyleProvider - sort
- 树形数据网格的监听器
-
ColumnCollapsingChangeListener - ColumnReorderListener - ColumnResizeListener - ContextClickListener - EditorCloseListener - EditorOpenListener - EditorPostCommitListener - EditorPreCommitListener - ItemClickListener - SelectionListener - SortListener
- Predefined styles
-
borderless - no-horizontal-lines - no-vertical-lines - no-stripes