Java tutorial
/* * Copyright 2010 JBoss Inc * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.drools.guvnor.client.explorer; import org.drools.guvnor.client.messages.Constants; import org.drools.guvnor.client.resources.Images; import org.drools.guvnor.client.util.TabOpener; import com.google.gwt.core.client.GWT; import com.google.gwt.event.logical.shared.SelectionEvent; import com.google.gwt.user.client.ui.Tree; import com.google.gwt.user.client.ui.TreeItem; public class AdministrationTree extends AbstractTree { private static Constants constants = GWT.create(Constants.class); private static Images images = (Images) GWT.create(Images.class); public AdministrationTree() { this.name = constants.Administration(); this.image = images.rules(); //Add Selection listener mainTree.addSelectionHandler(this); } @Override protected Tree createTree() { return ExplorerNodeConfig.getAdminStructure(itemWidgets); } // Show the associated widget in the deck panel public void onSelection(SelectionEvent<TreeItem> event) { TabOpener tabOpener = TabOpener.getInstance(); TreeItem item = event.getSelectedItem(); String widgetID = itemWidgets.get(item); int id = Integer.parseInt(widgetID); tabOpener.openAdministrationSelection(id); } }