/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "Ant" and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.tools.ant.gui.core;
import org.apache.tools.ant.gui.event.*;
import org.apache.tools.ant.gui.acs.ACSProjectElement;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.*;
import java.beans.PropertyChangeEvent;
/**
* Specialization of JMenu providing selectability of the currently
* open projects.
*
* @version $Revision: 1.2 $
* @author Simeon Fitch
*/
public class ProjectSelectionMenu extends JMenu {
/** Application context. */
private AppContext _context = null;
/** Current set of menus. */
private Map _menus = new HashMap();
/**
* Standard ctor.
*
* @param context Application context.
*/
public ProjectSelectionMenu(AppContext context) {
super(context.getResources().getString(
ProjectSelectionMenu.class, "name"), true);
_context = context;
_context.getEventBus().addMember(
EventBus.MONITORING, new ProjectListener());
setMnemonic(getText().charAt(0));
}
/**
* Replace or add the JMenu called "Projects" with this.
*
* @param menuBar Menu bar to insert into.
*/
public void insertInto(JMenuBar menuBar) {
// Iterate of the menu items looking for the one with the same name
// as ours.
int count = menuBar.getComponentCount();
for(int i = 0; i < count; i++) {
JMenuItem menu = (JMenuItem) menuBar.getComponent(i);
if(menu.getText().equals(getText())) {
menuBar.remove(menu);
menuBar.add(this, i);
return;
}
}
// Getting here we didn't find a menu with the same name.
add(this);
}
/** Listener for updating the contents of the menu. */
private class ProjectListener implements BusMember {
/** Event filter. */
private final Filter _filter = new Filter();
/** Action handler. */
private final ActionHandler _handler = new ActionHandler();
/**
* Get the filter to that is used to determine if an event should
* to to the member.
*
* @return Filter to use.
*/
public BusFilter getBusFilter() {
return _filter;
}
/**
* Called when an event is to be posed to the member.
*
* @param event Event to post.
* @return true if event should be propogated, false if
* it should be cancelled.
*/
public boolean eventPosted(EventObject event) {
// Clear out our existing members
removeAll();
_menus.clear();
ACSProjectElement[] projects =
_context.getProjectManager().getOpen();
for(int i = 0; i < projects.length; i++) {
JMenuItem menu = new JMenuItem(projects[i].getName());
menu.addActionListener(_handler);
_menus.put(menu, projects[i]);
add(menu);
}
return true;
}
}
/** Filter for project related events. */
private static class Filter implements BusFilter {
public boolean accept(EventObject event) {
// We want events related to projects.
return event instanceof ProjectSelectedEvent ||
event instanceof ProjectClosedEvent ||
(event instanceof PropertyChangeEvent &&
((PropertyChangeEvent)event).getSource()
instanceof ACSProjectElement);
}
}
/** Handler for selecting the project. */
private class ActionHandler implements ActionListener {
public void actionPerformed(ActionEvent e) {
ACSProjectElement project =
(ACSProjectElement) _menus.get(e.getSource());
_context.getEventBus().postEvent(
new ProjectSelectedEvent(_context, project));
}
}
}