org.aw20.mongoworkbench.eclipse.MMenuManager.java Source code

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Here is the source code for org.aw20.mongoworkbench.eclipse.MMenuManager.java

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/* 
 *  MongoWorkBench is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  Free Software Foundation,version 3.
 *  
 *  MongoWorkBench 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 General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  If not, see http://www.gnu.org/licenses/
 *  
 *  Additional permission under GNU GPL version 3 section 7
 *  
 *  If you modify this Program, or any covered work, by linking or combining 
 *  it with any of the JARS listed in the README.txt (or a modified version of 
 *  (that library), containing parts covered by the terms of that JAR, the 
 *  licensors of this Program grant you additional permission to convey the 
 *  resulting work. 
 *  
 *  https://github.com/aw20/MongoWorkBench
 *  Original fork: https://github.com/Kanatoko/MonjaDB
 *  
 */
package org.aw20.mongoworkbench.eclipse;

import org.aw20.util.MSwtUtil;
import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.PreferencesUtil;

public class MMenuManager implements MConstants, Listener {
    private static MMenuManager instance = new MMenuManager();

    MenuItem CascadeItem = null;
    MenuItem prefItem;
    Menu DropMenu, bar;

    public static MMenuManager getInstance() {
        return instance;
    }

    private MMenuManager() {
    }

    public void initMenus() {
        Shell shell = Activator.getDefault().getShell();
        bar = shell.getMenuBar();
        MenuItem[] items = bar.getItems();

        for (int i = 0; i < items.length; ++i) {
            MenuItem item = items[i];
            if (item.getText().indexOf("MongoWorkBench") > -1) {
                CascadeItem = item;
            }
        }

        DropMenu = new Menu(shell, SWT.DROP_DOWN);
        CascadeItem.setMenu(DropMenu);

        prefItem = new MenuItem(DropMenu, SWT.PUSH);
        prefItem.setText("Preferen&ces");

        MSwtUtil.addListenerToMenuItems(DropMenu, this);
    }

    public void handleEvent(Event event) {
        if (event.type == SWT.Selection) {
            if (event.widget == prefItem) {
                PreferenceDialog dialog = PreferencesUtil.createPreferenceDialogOn(null,
                        "org.aw20.mongoworkbench.eclipse.pref.MPrefPage", null, null);
                dialog.open();
            }
        }
    }

}