Mega Code Archive

 

Categories / Java / GWT

 

Load tree data from a collection of local beans (Smart GWT)

/*  * SmartGWT (GWT for SmartClient)  * Copyright 2008 and beyond, Isomorphic Software, Inc.  *  * SmartGWT is free software; you can redistribute it and/or modify it  * under the terms of the GNU Lesser General Public License version 3  * as published by the Free Software Foundation.  SmartGWT is also  * available under typical commercial license terms - see  * http://smartclient.com/license  * This software is distributed in the hope that it will be useful,  * but WITHOUT ANY WARRANTY; without even the implied warranty of  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU  * Lesser General Public License for more details.  */ package com.smartgwt.sample.showcase.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.ui.RootPanel; import com.smartgwt.client.types.TreeModelType; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.events.DrawEvent; import com.smartgwt.client.widgets.events.DrawHandler; import com.smartgwt.client.widgets.tree.Tree; import com.smartgwt.client.widgets.tree.TreeGrid; import com.smartgwt.client.widgets.tree.TreeGridField; import com.smartgwt.client.widgets.tree.TreeNode; public class Showcase implements EntryPoint {   public void onModuleLoad() {     RootPanel.get().add(getViewPanel());   }   public Canvas getViewPanel() {     TreeGrid treeGrid = new TreeGrid();     treeGrid.setWidth(300);     treeGrid.setHeight(400);     TreeGridField field = new TreeGridField("Name", "Tree from local data");     field.setCanSort(false);     treeGrid.setFields(field);     final Tree tree = new Tree();     tree.setModelType(TreeModelType.PARENT);     tree.setNameProperty("Name");     tree.setIdField("EmployeeId");     tree.setParentIdField("ReportsTo");     tree.setShowRoot(true);     EmployeeTreeNode root = new EmployeeTreeNode("4", "1", "Charles Madigen");     EmployeeTreeNode node2 = new EmployeeTreeNode("188", "4", "Rogine Leger");     EmployeeTreeNode node3 = new EmployeeTreeNode("189", "4", "Gene Porter");     EmployeeTreeNode node4 = new EmployeeTreeNode("265", "189", "Olivier Doucet");     EmployeeTreeNode node5 = new EmployeeTreeNode("264", "189", "Cheryl Pearson");     tree.setData(new TreeNode[] { root, node2, node3, node4, node5 });     treeGrid.addDrawHandler(new DrawHandler() {       public void onDraw(DrawEvent event) {         tree.openAll();       }     });     treeGrid.setData(tree);     return treeGrid;   }   public static class EmployeeTreeNode extends TreeNode {     public EmployeeTreeNode(String employeeId, String reportsTo, String name) {       setEmployeeId(employeeId);       setReportsTo(reportsTo);       setName(name);     }     public void setEmployeeId(String value) {       setAttribute("EmployeeId", value);     }     public void setReportsTo(String value) {       setAttribute("ReportsTo", value);     }     public void setName(String name) {       setAttribute("Name", name);     }   } }                  SmartGWT.zip( 9,880 k)