/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999, 2000 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.modules;
import org.apache.tools.ant.gui.acs.ACSProjectElement;
import org.apache.tools.ant.gui.core.AntModule;
import org.apache.tools.ant.gui.core.AppContext;
import org.apache.tools.ant.gui.event.BusFilter;
import org.apache.tools.ant.gui.event.BusMember;
import org.apache.tools.ant.gui.event.ElementChangedEvent;
import org.apache.tools.ant.gui.event.EventBus;
import org.apache.tools.ant.gui.event.ProjectClosedEvent;
import org.apache.tools.ant.gui.event.ProjectSavedEvent;
import org.apache.tools.ant.gui.event.ProjectSelectedEvent;
import java.util.EventObject;
/**
* Hidden module used to update the title of the main frame.
*
* @version $Revision: 1.2 $
* @author Nick Davis
*/
public class ProjectMonitor extends AntModule {
/** Holds the frames original title */
private String _prefix;
/**
* Default ctor.
*
*/
public ProjectMonitor() {
}
/**
* Using the given AppContext, initialize the display.
*
* @param context Application context.
*/
public void contextualize(AppContext context) {
setContext(context);
context.getEventBus().addMember(EventBus.RESPONDING, new Handler());
}
/** Class for handling project events. */
private class Handler implements BusMember {
private final Filter _filter = new Filter();
/**
* 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) {
java.awt.Frame frame = getContext().getParentFrame();
if (event instanceof ProjectSelectedEvent ||
event instanceof ElementChangedEvent ||
event instanceof ProjectSavedEvent) {
ACSProjectElement project =
getContext().getSelectionManager().getSelectedProject();
// Save the original title
if (_prefix == null) {
_prefix = frame.getTitle();
}
String title = _prefix + " - " + project.getDisplayName();
if (project.getOwnerDocument().isModified()) {
// FIX ME a resource file should be used here
title += " (Modified)";
}
frame.setTitle(title);
} else if (event instanceof ProjectClosedEvent) {
if (_prefix != null) {
frame.setTitle(_prefix);
}
}
return true;
}
}
/** Class providing filtering for project events. */
private static class Filter implements BusFilter {
/**
* Determines if the given event should be accepted.
*
* @param event Event to test.
* @return True if event should be given to BusMember, false otherwise.
*/
public boolean accept(EventObject event) {
return (event instanceof ProjectSelectedEvent ||
event instanceof ProjectClosedEvent ||
event instanceof ElementChangedEvent ||
event instanceof ProjectSavedEvent);
}
}
}