| /******************************************************************************* |
| * 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 fListeners = new ArrayList(); |
| ISelection fSelection; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ISelectionProvider#addSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener) |
| */ |
| public void addSelectionChangedListener(ISelectionChangedListener listener) |
| { |
| if (!fListeners.contains(listener)) |
| fListeners.add(listener); |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ISelectionProvider#getSelection() |
| */ |
| public ISelection getSelection() |
| { |
| return fSelection; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ISelectionProvider#removeSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener) |
| */ |
| 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) |
| */ |
| 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++) |
| { |
| ((ISelectionChangedListener)fListeners.get(i)).selectionChanged(evt); |
| } |
| } |
| } |