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);
}
}
}
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