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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.ui.sync;
import org.eclipse.core.runtime.*;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.util.*;
import org.eclipse.jface.viewers.IBasicPropertyConstants;
import org.eclipse.team.ui.TeamImages;
import org.eclipse.team.ui.TeamUI;
public abstract class AbstractSynchronizeParticipant implements ISynchronizeParticipant {
// property listeners
private ListenerList fListeners;
private String fName;
private QualifiedName fId;
private String fInstanceId;
private ImageDescriptor fImageDescriptor;
protected IConfigurationElement configElement;
/**
* Used to notify this console of lifecycle methods <code>init()</code>
* and <code>dispose()</code>.
*/
class Lifecycle implements ISynchronizeParticipantListener {
/* (non-Javadoc)
* @see org.eclipse.ui.console.IConsoleListener#consolesAdded(org.eclipse.ui.console.IConsole[])
*/
public void participantsAdded(ISynchronizeParticipant[] consoles) {
for (int i = 0; i < consoles.length; i++) {
ISynchronizeParticipant console = consoles[i];
if (console == AbstractSynchronizeParticipant.this) {
init();
}
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.console.IConsoleListener#consolesRemoved(org.eclipse.ui.console.IConsole[])
*/
public void participantsRemoved(ISynchronizeParticipant[] consoles) {
for (int i = 0; i < consoles.length; i++) {
ISynchronizeParticipant console = consoles[i];
if (console == AbstractSynchronizeParticipant.this) {
TeamUI.getSynchronizeManager().removeSynchronizeParticipantListener(this);
dispose();
}
}
}
}
/**
* Notifies listeners of property changes, handling any exceptions
*/
class PropertyNotifier implements ISafeRunnable {
private IPropertyChangeListener fListener;
private PropertyChangeEvent fEvent;
/**
* @see org.eclipse.core.runtime.ISafeRunnable#handleException(java.lang.Throwable)
*/
public void handleException(Throwable exception) {
// TODO:
//IStatus status = new Status(IStatus.ERROR, ConsolePlugin.getUniqueIdentifier(), IConsoleConstants.INTERNAL_ERROR, ConsoleMessages.getString("AbstractConsole.0"), exception); //$NON-NLS-1$
//ConsolePlugin.log(status);
}
/**
* @see org.eclipse.core.runtime.ISafeRunnable#run()
*/
public void run() throws Exception {
fListener.propertyChange(fEvent);
}
/**
* Notifies listeners of the property change
*
* @param property the property that has changed
*/
public void notify(PropertyChangeEvent event) {
if (fListeners == null) {
return;
}
fEvent = event;
Object[] copiedListeners= fListeners.getListeners();
for (int i= 0; i < copiedListeners.length; i++) {
fListener = (IPropertyChangeListener)copiedListeners[i];
Platform.run(this);
}
fListener = null;
}
}
public AbstractSynchronizeParticipant() {
TeamUI.getSynchronizeManager().addSynchronizeParticipantListener(new Lifecycle());
}
/* (non-Javadoc)
* @see org.eclipse.ui.console.IConsole#getName()
*/
public String getName() {
return fName;
}
/**
* Sets the name of this console to the specified value and notifies
* property listeners of the change.
*
* @param name the new name
*/
protected void setName(String name) {
String old = fName;
fName = name;
firePropertyChange(this, IBasicPropertyConstants.P_TEXT, old, name);
}
/* (non-Javadoc)
* @see org.eclipse.ui.console.IConsole#getImageDescriptor()
*/
public ImageDescriptor getImageDescriptor() {
return fImageDescriptor;
}
/**
* Sets the image descriptor for this console to the specified value and notifies
* property listeners of the change.
*
* @param imageDescriptor the new image descriptor
*/
protected void setImageDescriptor(ImageDescriptor imageDescriptor) {
ImageDescriptor old = fImageDescriptor;
fImageDescriptor =imageDescriptor;
firePropertyChange(this, IBasicPropertyConstants.P_IMAGE, old, imageDescriptor);
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.sync.ISynchronizeParticipant#getId()
*/
public QualifiedName getId() {
return fId;
}
protected void setId(QualifiedName id) {
this.fId = id;
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.sync.ISynchronizeParticipant#getId()
*/
public String getInstanceId() {
return fInstanceId;
}
protected void setInstanceId(String id) {
this.fInstanceId = id;
}
/* (non-Javadoc)
* @see org.eclipse.ui.console.IConsole#addPropertyChangeListener(org.eclipse.jface.util.IPropertyChangeListener)
*/
public void addPropertyChangeListener(IPropertyChangeListener listener) {
if (fListeners == null) {
fListeners = new ListenerList();
}
fListeners.add(listener);
}
/* (non-Javadoc)
* @see org.eclipse.ui.console.IConsole#removePropertyChangeListener(org.eclipse.jface.util.IPropertyChangeListener)
*/
public void removePropertyChangeListener(IPropertyChangeListener listener) {
if (fListeners != null) {
fListeners.remove(listener);
}
}
/**
* Notify all listeners that the given property has changed.
*
* @param source the object on which a property has changed
* @param property identifier of the property that has changed
* @param oldValue the old value of the property, or <code>null</code>
* @param newValue the new value of the property, or <code>null</code>
*/
public void firePropertyChange(Object source, String property, Object oldValue, Object newValue) {
if (fListeners == null) {
return;
}
PropertyNotifier notifier = new PropertyNotifier();
notifier.notify(new PropertyChangeEvent(source, property, oldValue, newValue));
}
/**
* Called when this console is added to the console manager. Default
* implementation does nothing. Subclasses may override.
*/
protected void init() {
}
/**
* Called when this console is removed from the console manager. Default
* implementation does nothing. Subclasses may override.
*/
protected void dispose() {
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.IExecutableExtension#setInitializationData(org.eclipse.core.runtime.IConfigurationElement, java.lang.String, java.lang.Object)
*/
public void setInitializationData(IConfigurationElement config, String propertyName, Object data) throws CoreException {
// Save config element.
configElement = config;
// Id
fId = new QualifiedName(config.getAttribute("qualified_name"), config.getAttribute("local_name"));
// Title.
fName = config.getAttribute("name");//$NON-NLS-1$
if (config == null) {
fName = "Unknown";//$NON-NLS-1$
}
// Icon.
String strIcon = config.getAttribute("icon");//$NON-NLS-1$
if (strIcon != null) {
fImageDescriptor =
TeamImages.getImageDescriptorFromExtension(
configElement.getDeclaringExtension(),
strIcon);
}
}
}
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