| /******************************************************************************* |
| * Copyright (c) 2001, 2006 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.wst.xsd.ui.internal.adt.editor; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.ui.part.MultiPageEditorPart; |
| import org.eclipse.ui.part.MultiPageSelectionProvider; |
| |
| public class CommonSelectionManager extends MultiPageSelectionProvider implements ISelectionProvider, ISelectionChangedListener |
| { |
| |
| public CommonSelectionManager(MultiPageEditorPart multiPageEditor) |
| { |
| super(multiPageEditor); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ISelectionProvider#addSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener) |
| */ |
| public void addSelectionChangedListener(ISelectionChangedListener listener) |
| { |
| listenerList.add(listener); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ISelectionProvider#getSelection() |
| */ |
| public ISelection getSelection() |
| { |
| return currentSelection; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ISelectionProvider#removeSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener) |
| */ |
| public void removeSelectionChangedListener(ISelectionChangedListener listener) |
| { |
| listenerList.remove(listener); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ISelectionProvider#setSelection(org.eclipse.jface.viewers.ISelection) |
| */ |
| public void setSelection(ISelection selection) |
| { |
| setSelection(selection, this); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent) |
| */ |
| public void selectionChanged(SelectionChangedEvent event) |
| { |
| if (enableNotify) |
| { |
| setSelection(event.getSelection(), event.getSelectionProvider()); |
| } |
| } |
| |
| |
| protected List listenerList = new ArrayList(); |
| protected ISelection currentSelection; |
| protected boolean enableNotify = true; |
| |
| public boolean getEnableNotify() |
| { |
| return enableNotify; |
| } |
| |
| public void setSelection(ISelection selection, ISelectionProvider source) |
| { |
| if (enableNotify) |
| { |
| currentSelection = selection; |
| enableNotify = false; |
| try |
| { |
| SelectionChangedEvent event = new SelectionChangedEvent(source, selection); |
| List copyOfListenerList = new ArrayList(listenerList); |
| for (Iterator i = copyOfListenerList.iterator(); i.hasNext(); ) |
| { |
| ISelectionChangedListener listener = (ISelectionChangedListener)i.next(); |
| listener.selectionChanged(event); |
| } |
| } |
| catch (Exception e) |
| { |
| e.printStackTrace(); |
| } |
| finally |
| { |
| enableNotify = true; |
| } |
| } |
| } |
| } |