Java tutorial
/* * OneCMDB, an open source configuration management project. * Copyright 2007, Lokomo Systems AB, and individual contributors * as indicated by the @authors tag. See the copyright.txt in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * 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. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.onecmdb.ui.gwt.modeller.client.view.navigation; import org.gwtiger.client.widget.ScreenMenuItem; import org.onecmdb.ui.gwt.modeller.client.OneCMDBModelCreator; import org.onecmdb.ui.gwt.modeller.client.control.ModelInheritanceTreeControl; import org.onecmdb.ui.gwt.toolkit.client.model.onecmdb.GWT_CiBean; import org.onecmdb.ui.gwt.toolkit.client.view.screen.OneCMDBBaseScreen; import org.onecmdb.ui.gwt.toolkit.client.view.tree.ChangeTreeRootTree; import com.google.gwt.user.client.ui.ClickListener; import com.google.gwt.user.client.ui.Tree; import com.google.gwt.user.client.ui.TreeItem; import com.google.gwt.user.client.ui.TreeListener; import com.google.gwt.user.client.ui.Widget; public class ModelCreatorNavigation extends OneCMDBBaseScreen implements ClickListener { private Tree treePanel = new Tree(); public ModelCreatorNavigation() { ScreenObjectTypeMenuItem mainMenu = new ScreenObjectTypeMenuItem( createHeaderHTML("images/designer/model-designer_32.gif", "Model Designer"), false, OneCMDBModelCreator.SHOW_STATIC_CONTENT, "static/welcome_model_designer.html"); TreeItem mainItem = addItem(treePanel, mainMenu); ScreenObjectTypeMenuItem templateMenu = new ScreenObjectTypeMenuItem( createHeaderHTML("images/designer/template-hierachy_32.gif", "Template Hierarchy"), false, OneCMDBModelCreator.SHOW_STATIC_CONTENT, "static/welcome_template_hierarchy.html"); TreeItem templateHierachyItem = addItem(mainItem, templateMenu); addTemlateTreeHock(templateHierachyItem); // Transform menu. ScreenObjectTypeMenuItem transformMenu = new ScreenObjectTypeMenuItem( createHeaderHTML("images/designer/template-hierachy_32.gif", "Instance Import Control"), false, OneCMDBModelCreator.SHOW_STATIC_CONTENT, "static/welcome_template_hierarchy.html"); TreeItem transformItem = addItem(mainItem, transformMenu); ScreenMenuItem newTransformMenu = new ScreenMenuItem( createHTML("images/designer/template-hierachy_16.gif", "New Transform"), false, OneCMDBModelCreator.NEW_TRANSFORM_SCREEN); addItem(transformItem, newTransformMenu); ScreenMenuItem listTransformMenu = new ScreenMenuItem( createHTML("images/designer/template-hierachy_16.gif", "List Transforms"), false, OneCMDBModelCreator.LIST_TRANSFORM_SCREEN); addItem(transformItem, listTransformMenu); initWidget(treePanel); } private void addTemlateTreeHock(TreeItem templateHierachyItem) { templateHierachyItem.addItem("Loading...."); //treePanel.addItem(itil); treePanel.setStyleName("mdv-form"); ModelInheritanceTreeControl control = new ModelInheritanceTreeControl(); control.setFilterInstances(Boolean.TRUE); control.setRootState(true); // Dummy, so the ci is selectable... control.setClickListener(new ClickListener() { public void onClick(Widget sender) { // TODO Auto-generated method stub } }); control.setTreeListener(new TreeListener() { public void onTreeItemSelected(TreeItem item) { // Show a list of that template. Object data = item.getUserObject(); if (data instanceof GWT_CiBean) { OneCMDBModelCreator.get().showScreen(OneCMDBModelCreator.TEMPLATE_VIEW_SCREEN, ((GWT_CiBean) data).getAlias(), new Long(0)); } } public void onTreeItemStateChanged(TreeItem item) { } }); ChangeTreeRootTree templateTree = new ChangeTreeRootTree(treePanel, control); templateTree.setTriggerItem(templateHierachyItem); } public boolean isRightPanel() { return (false); } private TreeItem addItem(Tree tree, ScreenMenuItem widget) { TreeItem childItem = new TreeItem(); childItem.setWidget(widget); tree.addItem(childItem); widget.addClickListener(this); return (childItem); } private TreeItem addItem(TreeItem parentItem, ScreenMenuItem widget) { TreeItem childItem = new TreeItem(); childItem.setWidget(widget); parentItem.addItem(childItem); widget.addClickListener(this); return (childItem); } /** * Creates an HTML fragment that places an image & caption together, for use * in a group header. * * @param imageUrl the url of the icon image to be used * @param caption the group caption * @return the header HTML fragment */ private String createHeaderHTML(String imageUrl, String caption) { return "<table align='left'><tr>" + "<td><img src='" + imageUrl + "'></td>" + "<td style='vertical-align:middle'><b style='white-space:nowrap'><a href='javascript:;'>" + caption + "</a></b></td>" + "</tr></table>"; } private String createHTML(String imageURL, String caption) { return "<table align='left'><tr><td><img src='" + imageURL + "'></td>" + "<td style='vertical-align:middle'><a style='white-space:nowrap' href='javascript:;'>" + caption + "</a></td>" + "</tr></table>"; /* return "<a style='white-space:nowrap' href='javascript:;'>" + caption + "</a>"; */ } private String createHTML(String caption) { return "<table align='left'><tr>" + "<td style='vertical-align:middle'><a style='white-space:nowrap' href='javascript:;'>" + caption + "</a></td>" + "</tr></table>"; /* return "<a style='white-space:nowrap' href='javascript:;'>" + caption + "</a>"; */ } private String createHTMLWithTable(String caption) { return "<table align='left'><tr>" + "<td><img src='mdv-menu.gif'></td><td style='vertical-align:middle'><a href='javascript:;'>" + caption + "</a></td>" + "</tr></table>"; } public void onClick(Widget sender) { try { if (sender instanceof ScreenObjectTypeMenuItem) { ScreenObjectTypeMenuItem screen = (ScreenObjectTypeMenuItem) sender; getBaseEntryScreen().showScreen(screen.getScreenIndex(), screen.getObjectType(), new Long(0)); return; } if (sender instanceof ScreenMenuItem) { ScreenMenuItem screen = (ScreenMenuItem) sender; getBaseEntryScreen().showScreen(screen.getScreenIndex()); return; } } catch (Exception e) { e.printStackTrace(); } } class ScreenObjectTypeMenuItem extends ScreenMenuItem { private String objectType; public ScreenObjectTypeMenuItem(String html, boolean wordWrap, int screenIndex, String objectType) { super(html, wordWrap, screenIndex); this.objectType = objectType; } public String getObjectType() { return (this.objectType); } } }