我目前有一个TreeGrid
显示带有名称的节点。数据来自手动填充的DataSource
.
在nodeName
字段上设置过滤器时,过滤器不会递归完成,因此我只能过滤Root 节点。
如何告诉过滤器在子节点中搜索匹配项?
PS:在下面的代码中,我有 3 个节点Root
>> Run
。Child1
如果我尝试过滤器并输入“ R ”,我会得到Root
and Run
。但是如果我输入“ C ”,我会得到“没有找到结果”
代码
数据源:
package murex.otk.gwt.gui.client.ui.datasource;
import java.util.List;
import murex.otk.gwt.gui.client.ui.record.TreeRecord;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.fields.DataSourceIntegerField;
import com.smartgwt.client.data.fields.DataSourceTextField;
public class ClassesDataSource extends DataSource {
private static ClassesDataSource instance = null;
public static ClassesDataSource getInstance() {
if (instance == null) {
instance = new ClassesDataSource("classesDataSource");
}
return instance;
}
private ClassesDataSource(String id) {
setID(id);
DataSourceTextField nodeNameField = new DataSourceTextField("nodeName");
nodeNameField.setCanFilter(true);
nodeNameField.setRequired(true);
DataSourceIntegerField nodeIdField = new DataSourceIntegerField("nodeId");
nodeIdField.setPrimaryKey(true);
nodeIdField.setRequired(true);
DataSourceIntegerField nodeParentField = new DataSourceIntegerField("nodeParent");
nodeParentField.setRequired(true);
nodeParentField.setForeignKey(id + ".nodeId");
nodeParentField.setRootValue(0);
setFields(nodeIdField, nodeNameField, nodeParentField);
setClientOnly(true);
}
public void populateDataSource(List<String> classNames) {
TreeRecord root = new TreeRecord("Root", 0);
addData(root);
TreeRecord child1 = new TreeRecord("Child1", root.getNodeId());
addData(child1);
TreeRecord child2 = new TreeRecord("Run", child1.getNodeId());
addData(child2);
}
}
主要的
public void onModuleLoad() {
ClassesDataSource.getInstance().populateDataSource(new ArrayList<String>());
final TreeGrid employeeTree = new TreeGrid();
employeeTree.setHeight(350);
employeeTree.setDataSource(ClassesDataSource.getInstance());
employeeTree.setAutoFetchData(true);
TreeGridField field = new TreeGridField("nodeName");
field.setCanFilter(true);
employeeTree.setFields(field);
employeeTree.setShowFilterEditor(true);
employeeTree.setAutoFetchAsFilter(true);
employeeTree.setFilterOnKeypress(true);
employeeTree.draw();
}