org.onecmdb.ui.gwt.toolkit.client.view.screen.navigation.NavigationScreen.java Source code

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Here is the source code for org.onecmdb.ui.gwt.toolkit.client.view.screen.navigation.NavigationScreen.java

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/*
 * Copyright 2007 Aditya Kapur <addy AT gwtiger.org>
 * 
 * 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.onecmdb.ui.gwt.toolkit.client.view.screen.navigation;

import org.gwtiger.client.widget.ScreenMenuItem;
import org.onecmdb.ui.gwt.toolkit.client.view.screen.OneCMDBBaseScreen;

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.Widget;

/**
 * @author Addy
 *
 */
public class NavigationScreen extends OneCMDBBaseScreen implements ClickListener {
    protected Tree treePanel = new Tree();

    public NavigationScreen() {
        TreeItem root = new TreeItem();
        initWidget(treePanel);
    }

    public boolean isRightPanel() {
        return (false);
    }

    protected void addItem(TreeItem parentItem, ScreenMenuItem widget) {
        TreeItem childItem = new TreeItem();
        childItem.setWidget(widget);
        parentItem.addItem(childItem);

        widget.addClickListener(this);

    }

    /**
       * 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'>" + caption + "</b></td>"
                + "</tr></table>";
    }

    private String createHTML(String caption) {
        return "<a 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 {
            ScreenMenuItem screen = (ScreenMenuItem) sender;
            getBaseEntryScreen().showScreen(screen.getScreenIndex());
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

}