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/*******************************************************************************
* Copyright (c) 2008 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.examples.ui.midi.adapters;
import javax.sound.midi.Sequencer;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.examples.core.midi.launcher.MidiLaunch;
import org.eclipse.debug.examples.core.midi.launcher.SequencerControl;
import org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler;
import org.eclipse.debug.internal.ui.viewers.update.EventHandlerModelProxy;
import org.eclipse.jface.viewers.Viewer;
/**
* Model proxy for a sequencer in the variables view. Listens
* to events from controls to update the viewer when the user
* changes a control's value.
*
* @since 1.0
*/
public class SequencerControlsModelProxy extends EventHandlerModelProxy {
/**
* Associated launch
*/
private MidiLaunch fLaunch;
/**
* Event handler
*/
private ControlEventHandler fHandler;
/**
* Constructs a model proxy to update based on changes in controls
* for the associated sequencer.
*
* @param launch MIDI launch
*/
public SequencerControlsModelProxy(MidiLaunch launch) {
fLaunch = launch;
}
@Override
public void installed(Viewer viewer) {
super.installed(viewer);
fHandler.init();
}
/**
* Returns the launch assocaited with this proxy.
*
* @return MIDI launch
*/
protected MidiLaunch getMidiLaunch() {
return fLaunch;
}
@Override
protected DebugEventHandler[] createEventHandlers() {
fHandler = new ControlEventHandler(this);
return new DebugEventHandler[]{fHandler};
}
@SuppressWarnings("resource")
@Override
protected boolean containsEvent(DebugEvent event) {
if (event.getSource() instanceof SequencerControl) {
return ((SequencerControl)event.getSource()).getLaunch().equals(fLaunch);
}
if (event.getSource() instanceof Sequencer) {
return fLaunch.getSequencer().equals(event.getSource());
}
if (event.getSource().equals(fLaunch)) {
return true;
}
return false;
}
}
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