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Tree Drag Reparent Sample (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.grid.CellFormatter; import com.smartgwt.client.widgets.grid.ListGridRecord; 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() {     Tree employeeTree = new Tree();     employeeTree.setModelType(TreeModelType.PARENT);     employeeTree.setRootValue(1);     employeeTree.setNameProperty("Name");     employeeTree.setIdField("EmployeeId");     employeeTree.setParentIdField("ReportsTo");     employeeTree.setOpenProperty("isOpen");     employeeTree.setData(employeeData);     TreeGridField formattedField = new TreeGridField("Name");     formattedField.setCellFormatter(new CellFormatter() {       public String format(Object value, ListGridRecord record, int rowNum, int colNum) {         return record.getAttributeAsString("Job") + ": " + value;       }     });     TreeGrid employeeTreeGrid = new TreeGrid();     employeeTreeGrid.setWidth(500);     employeeTreeGrid.setHeight(400);     employeeTreeGrid.setNodeIcon("icons/16/person.png");     employeeTreeGrid.setFolderIcon("icons/16/person.png");     employeeTreeGrid.setAutoFetchData(true);     employeeTreeGrid.setCanReorderRecords(true);     employeeTreeGrid.setCanAcceptDroppedRecords(true);     employeeTreeGrid.setShowOpenIcons(false);     employeeTreeGrid.setDropIconSuffix("into");     employeeTreeGrid.setClosedIconSuffix("");     employeeTreeGrid.setData(employeeTree);     employeeTreeGrid.setFields(formattedField);     return employeeTreeGrid;   }   public static class EmployeeTreeNode extends TreeNode {     public EmployeeTreeNode(String employeeId, String reportsTo, String name, String job,         boolean isOpen) {       setAttribute("EmployeeId", employeeId);       setAttribute("ReportsTo", reportsTo);       setAttribute("Name", name);       setAttribute("Job", job);       setAttribute("isOpen", isOpen);     }   }   public static final TreeNode[] employeeData = new TreeNode[] {       new EmployeeTreeNode("4", "1", "Charles Madigen", "Chief Operating Officer", true),       new EmployeeTreeNode("189", "4", "Gene Porter", "Mgr Tech Plng IntIS T", false),       new EmployeeTreeNode("265", "189", "Olivier Doucet", "Asset Spec Lines Stns", false),       new EmployeeTreeNode("264", "189", "Cheryl Pearson", "Dsl Sys Rep", false),       new EmployeeTreeNode("263", "189", "Priya Sambhus", "Line Wrker A", false),       new EmployeeTreeNode("188", "4", "Rogine Leger", "Mgr Syst P P", true),       new EmployeeTreeNode("262", "188", "Jacques Desautels", "Line Wrker A", false),       new EmployeeTreeNode("261", "188", "Kay Monroe", "Stn Opr", false),       new EmployeeTreeNode("260", "188", "Francine Dugas", "Fire Sec Off", false),       new EmployeeTreeNode("259", "188", "Jacques Leblanc", "Purch Clk", false),       new EmployeeTreeNode("258", "188", "Ren Xian", "Mobile Eq Opr", false),       new EmployeeTreeNode("257", "188", "Olivier Hebert", "Met Read/Coll", false),       new EmployeeTreeNode("182", "4", "Tamara Kane", "Mgr Site Services", false),       new EmployeeTreeNode("195", "182", "Kai Kong", "Stores Worker", false),       new EmployeeTreeNode("194", "182", "Felicia Piper", "Dsl Sys Rep", false),       new EmployeeTreeNode("193", "182", "Darcy Feeney", "Inventory Ck", false) }; }                  SmartGWT.zip( 9,880 k)