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/*******************************************************************************
* Copyright (c) 2011, 2013 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.ui.navigator;
import org.eclipse.core.runtime.Assert;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.tcf.te.runtime.services.ServiceManager;
import org.eclipse.tcf.te.runtime.services.interfaces.IAdapterService;
import org.eclipse.tcf.te.tcf.locator.interfaces.IPeerModelListener;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;
import org.eclipse.tcf.te.tcf.locator.listener.ModelAdapter;
import org.eclipse.tcf.te.ui.views.editor.EditorInput;
import org.eclipse.tcf.te.ui.views.interfaces.IUIConstants;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.navigator.CommonViewer;
/**
* Peer model listener implementation.
*/
public class PeerModelListener extends ModelAdapter {
private final IPeerModel parentModel;
/* default */ final CommonViewer viewer;
/**
* Constructor.
*
* @param parent The parent peer model. Must not be <code>null</code>.
* @param viewer The common viewer instance. Must not be <code>null</code>.
*/
public PeerModelListener(IPeerModel parent, CommonViewer viewer) {
Assert.isNotNull(parent);
Assert.isNotNull(viewer);
this.parentModel = parent;
this.viewer = viewer;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.listener.ModelAdapter#modelChanged(org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel, org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode, boolean)
*/
@Override
public void modelChanged(final IPeerModel model, final IPeerNode peerNode, final boolean added) {
if (parentModel.equals(model)) {
// Locator model changed -> refresh the tree
Tree tree = viewer.getTree();
if (tree != null && !tree.isDisposed()) {
Display display = tree.getDisplay();
display.asyncExec(new Runnable() {
@Override
public void run() {
if (viewer.getTree() != null && !viewer.getTree().isDisposed()) {
viewer.refresh();
}
}
});
}
if (peerNode != null) {
// Check if the peer model node can be adapted to IPeerModelListener.
IAdapterService service = ServiceManager.getInstance().getService(peerNode, IAdapterService.class);
IPeerModelListener listener = service != null ? service.getAdapter(peerNode, IPeerModelListener.class) : null;
// If yes -> Invoke the adapted model listener instance
if (listener != null) {
listener.modelChanged(model, peerNode, added);
}
// If no -> Default behavior for dynamic discovered peers is to close the editor (if any).
// For static peers, leave the editor untouched.
else if (!added) {
Display display = PlatformUI.getWorkbench().getDisplay();
if (display != null && !display.isDisposed()) {
display.asyncExec(new Runnable() {
@Override
public void run() {
// Get the currently active workbench window
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window != null) {
// Get the active page
IWorkbenchPage page = window.getActivePage();
// Create the editor input object
IEditorInput input = new EditorInput(peerNode);
// Lookup the editors matching the editor input
IEditorReference[] editors = page.findEditors(input, IUIConstants.ID_EDITOR, IWorkbenchPage.MATCH_INPUT);
if (editors != null && editors.length > 0) {
// Close the editors
page.closeEditors(editors, true);
}
}
}
});
}
}
}
}
}
}
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