220 lines
7.1 KiB
Java
220 lines
7.1 KiB
Java
/****************************************************************************
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* This software is part of the gCube Project.
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* Site: http://www.gcube-system.org/
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****************************************************************************
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* The gCube/gCore software is licensed as Free Open Source software
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* conveying to the EUPL (http://ec.europa.eu/idabc/eupl).
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* The software and documentation is provided by its authors/distributors
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* "as is" and no expressed or
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* implied warranty is given for its use, quality or fitness for a
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* particular case.
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****************************************************************************
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* Filename: ResourcesTreePanel.java
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****************************************************************************
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* @author <a href="mailto:daniele.strollo@isti.cnr.it">Daniele Strollo</a>
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***************************************************************************/
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package org.gcube.portlets.admin.resourcemanagement.client.views.resourcetree;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map.Entry;
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import org.gcube.portlets.admin.resourcemanagement.client.utils.Commands;
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import org.gcube.portlets.admin.resourcemanagement.client.widgets.console.ConsoleMessageBroker;
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import org.gcube.resourcemanagement.support.client.utils.StatusHandler;
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import org.gcube.resourcemanagement.support.client.views.ResourceTypeDecorator;
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import org.gcube.resourcemanagement.support.shared.types.datamodel.AtomicTreeNode;
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import com.extjs.gxt.ui.client.Style.SelectionMode;
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import com.extjs.gxt.ui.client.Style.SortDir;
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import com.extjs.gxt.ui.client.data.ModelData;
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import com.extjs.gxt.ui.client.data.ModelIconProvider;
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import com.extjs.gxt.ui.client.event.ComponentEvent;
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import com.extjs.gxt.ui.client.event.Events;
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import com.extjs.gxt.ui.client.event.Listener;
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import com.extjs.gxt.ui.client.event.TreePanelEvent;
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import com.extjs.gxt.ui.client.store.TreeStore;
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import com.extjs.gxt.ui.client.util.IconHelper;
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import com.extjs.gxt.ui.client.widget.menu.Menu;
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import com.extjs.gxt.ui.client.widget.menu.MenuItem;
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import com.extjs.gxt.ui.client.widget.treepanel.TreePanel;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.user.client.Timer;
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import com.google.gwt.user.client.ui.AbstractImagePrototype;
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class TreeSelectionListener implements Listener<TreePanelEvent<ModelData>> {
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private boolean doExpand = false;
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public void handleEvent(final TreePanelEvent<ModelData> be) {
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if (be.getType() == Events.Expand) {
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be.cancelBubble();
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doExpand = true;
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return;
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}
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if (be.getType() == Events.Collapse) {
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be.cancelBubble();
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doExpand = true;
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return;
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}
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if (be.getType() == Events.OnClick &&
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!be.isRightClick() && be.getItem() != null &&
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be.getItem() instanceof AtomicTreeNode) {
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if (!doExpand) {
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// do you stuff, right click detected for a click event
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AtomicTreeNode selectedModel = (AtomicTreeNode) be.getItem();
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// -- SELECTED A LEAF
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if (selectedModel != null && selectedModel.isLeaf()) {
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ConsoleMessageBroker.trace(this, "Selected leaf: " + ((AtomicTreeNode) selectedModel.getParent()).getNode() + "::" + selectedModel.getName());
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Commands.doFilterResourceDetailsGrid(this,
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StatusHandler.getStatus().getCurrentScope(),
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((AtomicTreeNode) selectedModel.getParent()).getNode(),
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selectedModel.getSubType());
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}
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// -- SELECTED A NOT LEAF NODE
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if (selectedModel != null && !selectedModel.isLeaf()) {
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ConsoleMessageBroker.trace(this, "Selected node: " + selectedModel.getNode());
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Commands.doLoadResourceDetailsGrid(this, StatusHandler.getStatus().getCurrentScope(), selectedModel.getNode());
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}
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}
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doExpand = false;
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}
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}
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}
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/**
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* @author Daniele Strollo
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* @author Massimiliano Assante (ISTI-CNR)
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*/
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public class ResourcesTreePanel {
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private TreePanel<ModelData> tree = null;
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private boolean isOn = false;
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private Timer t;
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private int counter;
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private ModelData gHN = null;
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public ResourcesTreePanel(final HashMap<String, ArrayList<String>> rawmodel) {
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AtomicTreeNode model = new AtomicTreeNode("Resource", null);
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String icon = null;
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String label = null;
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counter = 0;
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if (rawmodel == null) {
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model.add(new AtomicTreeNode(ResourceTypeDecorator.Empty.getLabel(), null, ResourceTypeDecorator.Empty.getIcon()));
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} else {
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for (Entry<String, ArrayList<String>> elems : rawmodel.entrySet()) {
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String type = elems.getKey();
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List<String> subtypes = elems.getValue();
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try {
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icon = ResourceTypeDecorator.valueOf(type).getIcon();
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label = ResourceTypeDecorator.valueOf(type).getFWSName();
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//label = ResourceTypeDecorator.valueOf(type).getLabel();
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} catch (java.lang.IllegalArgumentException e) {
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label = type;
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icon = null;
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}
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AtomicTreeNode currType = new AtomicTreeNode(type, label, icon);
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for (String subtype : subtypes) {
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currType.add(new AtomicTreeNode(subtype, null, icon));
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}
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model.add(currType);
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}
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}
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final TreeStore<ModelData> store = new TreeStore<ModelData>();
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// The root node will not be shown
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store.add(model.getChildren(), true);
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// FIXME store.sort("sortIdx", SortDir.ASC);
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store.sort("name", SortDir.ASC);
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this.tree = new TreePanel<ModelData>(store);
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this.tree.setWidth(300);
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this.tree.setDisplayProperty("name");
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Menu contextMenu = new Menu();
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MenuItem refresh = new MenuItem("Refresh Tree") {
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@Override
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protected void onClick(final ComponentEvent be) {
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super.onClick(be);
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Commands.refreshResourceTree();
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}
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};
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refresh.setIconStyle("refresh-icon");
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contextMenu.add(refresh);
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this.tree.setContextMenu(contextMenu);
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// The icon decorator
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this.tree.setIconProvider(
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new ModelIconProvider<ModelData>() {
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public AbstractImagePrototype getIcon(final ModelData model) {
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if (model.get("node") != null && model.get("icon") != null) {
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return IconHelper.createStyle((String) model.get("icon"));
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}
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return IconHelper.createStyle("defaultleaf-icon");
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}
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});
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// Handles the selection
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tree.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
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TreeSelectionListener handler = new TreeSelectionListener();
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tree.addListener(Events.Expand, handler);
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tree.addListener(Events.Collapse, handler);
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tree.addListener(Events.OnClick, handler);
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/**
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* show gHN list if the configuration says so.
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*/
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if (StatusHandler.getStatus().isLoadGHNatStartup()) {
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GWT.log(""+StatusHandler.getStatus().isLoadGHNatStartup());
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Commands.doLoadResourceDetailsGrid(this,
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StatusHandler.getStatus().getCurrentScope(),
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"GHN");
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//select the GHN
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for (ModelData md: store.getAllItems()) {
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if (md.get("node").toString().compareTo("GHN") == 0)
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gHN = md;
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}
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if (gHN != null) {
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tree.getSelectionModel().select(false, gHN);
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t = new Timer() {
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@Override
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public void run() {
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if (isOn)
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tree.getSelectionModel().deselectAll();
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else
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tree.getSelectionModel().select(false, gHN);
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t.schedule(80);
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isOn = !isOn;
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counter++;
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if (counter > 10)
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t.cancel();
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}
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};
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t.schedule(100);
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}
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}
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}
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public final TreePanel<ModelData> getWidget() {
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return this.tree;
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}
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}
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