/* * GWT-Ext Widget Library * Copyright(c) 2007-2008, GWT-Ext. * licensing@gwt-ext.com * * http://www.gwt-ext.com/license */ import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.ui.RootPanel; import com.gwtext.client.core.Connection; import com.gwtext.client.data.Node; import com.gwtext.client.dd.DragData; import com.gwtext.client.dd.DragDrop; import com.gwtext.client.widgets.Component; import com.gwtext.client.widgets.Panel; import com.gwtext.client.widgets.form.FieldSet; import com.gwtext.client.widgets.form.FormPanel; import com.gwtext.client.widgets.form.Radio; import com.gwtext.client.widgets.layout.HorizontalLayout; import com.gwtext.client.widgets.layout.VerticalLayout; import com.gwtext.client.widgets.tree.*; import com.gwtext.client.widgets.tree.event.TreePanelListenerAdapter; public class TwoTreesSample implements EntryPoint { public void onModuleLoad() { Panel panel = new Panel(); panel.setBorder(false); panel.setPaddings(15); //create form for nody drop style FormPanel formPanel = new FormPanel(); formPanel.setBorder(false); formPanel.setHideLabels(true); FieldSet fieldSet = new FieldSet("Drop style"); fieldSet.setWidth(420); formPanel.add(fieldSet); final Radio moveRadio = new Radio(); moveRadio.setName("dropstyle"); moveRadio.setBoxLabel("Move"); moveRadio.setChecked(true); fieldSet.add(moveRadio); final Radio copyRadio = new Radio(); copyRadio.setName("dropstyle"); copyRadio.setBoxLabel("Copy"); fieldSet.add(copyRadio); //create source countries tree final TreePanel treePanel = new TreePanel(); treePanel.setTitle("Countries"); treePanel.setAnimate(true); treePanel.setEnableDD(true); treePanel.setContainerScroll(true); treePanel.setRootVisible(true); treePanel.setWidth(200); treePanel.setHeight(400); treePanel.setSelectionModel(new MultiSelectionModel()); final XMLTreeLoader loader = new XMLTreeLoader(); loader.setDataUrl("data/countries-grouped.xml"); loader.setMethod(Connection.GET); loader.setRootTag("countries"); loader.setFolderTitleMapping("@title"); loader.setFolderTag("continent"); loader.setLeafTitleMapping("@title"); loader.setLeafTag("country"); loader.setQtipMapping("@qtip"); loader.setIconMapping("@icon"); AsyncTreeNode root = new AsyncTreeNode("Countries", loader); treePanel.setRootNode(root); root.expand(); treePanel.expandAll(); //create target vacation tree final TreePanel tripTreePanel = new TreePanel(); tripTreePanel.setTitle("Trip Planner"); tripTreePanel.setAnimate(true); tripTreePanel.setEnableDD(true); tripTreePanel.setContainerScroll(true); tripTreePanel.setRootVisible(true); tripTreePanel.setWidth(200); tripTreePanel.setHeight(400); final XMLTreeLoader tripLoader = new XMLTreeLoader(); tripLoader.setDataUrl("data/trip.xml"); tripLoader.setMethod(Connection.GET); tripLoader.setRootTag("vacations"); tripLoader.setFolderIdMapping("@title"); tripLoader.setFolderTag("trip"); tripLoader.setQtipMapping("@qtip"); tripLoader.setIconMapping("@icon"); tripLoader.setAttributeMappings(new String[]{"@trip"}); final AsyncTreeNode tripRoot = new AsyncTreeNode("Places to Visit", tripLoader); tripTreePanel.setRootNode(tripRoot); //add trip tree listener that handles move / copy logic tripTreePanel.addListener(new TreePanelListenerAdapter() { public void onRender(Component component) { tripRoot.expand(); tripTreePanel.expandAll(); } public boolean doBeforeNodeDrop(TreePanel treePanel, TreeNode target, DragData dragData, String point, DragDrop source, TreeNode dropNode, DropNodeCallback dropDropNodeCallback) { if ("true".equals(target.getAttribute("trip"))) { if (copyRadio.getValue()) { TreeNode copyNode = dropNode.cloneNode(); Node[] children = copyNode.getChildNodes(); for (int i = 0; i < children.length; i++) { Node child = children[i]; copyNode.removeChild(child); } dropDropNodeCallback.setDropNode(copyNode); } } return true; } }); Panel horizontalPanel = new Panel(); horizontalPanel.setLayout(new HorizontalLayout(20)); horizontalPanel.add(treePanel); horizontalPanel.add(tripTreePanel); Panel verticalPanel = new Panel(); verticalPanel.setLayout(new VerticalLayout(15)); verticalPanel.add(formPanel); verticalPanel.add(horizontalPanel); panel.add(verticalPanel); RootPanel.get().add(panel); } }