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/*******************************************************************************
* Copyright (c) 2004, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.views.memory;
import java.util.ArrayList;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
/**
* Handles selection changes in a rendering view pane.
*
* @since 3.1
*
*/
public class ViewPaneSelectionProvider implements ISelectionProvider {
ArrayList<ISelectionChangedListener> fListeners = new ArrayList<ISelectionChangedListener>();
ISelection fSelection;
/*
* (non-Javadoc)
* @see
* org.eclipse.jface.viewers.ISelectionProvider#addSelectionChangedListener
* (org.eclipse.jface.viewers.ISelectionChangedListener)
*/
@Override
public void addSelectionChangedListener(ISelectionChangedListener listener) {
if (!fListeners.contains(listener))
fListeners.add(listener);
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.viewers.ISelectionProvider#getSelection()
*/
@Override
public ISelection getSelection() {
return fSelection;
}
/*
* (non-Javadoc)
* @see
* org.eclipse.jface.viewers.ISelectionProvider#removeSelectionChangedListener
* (org.eclipse.jface.viewers.ISelectionChangedListener)
*/
@Override
public void removeSelectionChangedListener(ISelectionChangedListener listener) {
if (fListeners.contains(listener))
fListeners.remove(listener);
}
/*
* (non-Javadoc)
* @see
* org.eclipse.jface.viewers.ISelectionProvider#setSelection(org.eclipse
* .jface.viewers.ISelection)
*/
@Override
public void setSelection(ISelection selection) {
fSelection = selection;
fireChanged();
}
public void fireChanged() {
SelectionChangedEvent evt = new SelectionChangedEvent(this, getSelection());
for (int i = 0; i < fListeners.size(); i++) {
fListeners.get(i).selectionChanged(evt);
}
}
}
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