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/*******************************************************************************
* Copyright (c) 2006, 2015 Wind River Systems 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.cdt.examples.dsf.filebrowser;
import java.util.concurrent.RejectedExecutionException;
import org.eclipse.cdt.dsf.ui.viewmodel.AbstractVMAdapter;
import org.eclipse.cdt.dsf.ui.viewmodel.AbstractVMProvider;
import org.eclipse.cdt.dsf.ui.viewmodel.IRootVMNode;
import org.eclipse.cdt.dsf.ui.viewmodel.IVMNode;
import org.eclipse.cdt.dsf.ui.viewmodel.RootVMNode;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
/**
*
*/
@SuppressWarnings("restriction")
public class FileBrowserVMProvider extends AbstractVMProvider
{
/**
* The object to be set to the viewer that shows contents supplied by this provider.
* @see org.eclipse.jface.viewers.TreeViewer#setInput(Object)
*/
private final IAdaptable fViewerInputObject =
new IAdaptable() {
/**
* The input object provides the viewer access to the viewer model adapter.
*/
@Override
@SuppressWarnings("unchecked")
public Object getAdapter(Class adapter) {
if ( adapter.isInstance(getVMAdapter()) ) {
return getVMAdapter();
}
return null;
}
@Override
public String toString() {
return "File Browser Viewer Input"; //$NON-NLS-1$
}
};
/**
* Constructor creates and configures the layout nodes to display file
* system contents.
* @param adapter The viewer model adapter that this provider is registered with.
* @param presentationContext The presentation context that this provider is
* generating contents for.
*/
public FileBrowserVMProvider(AbstractVMAdapter adapter, IPresentationContext presentationContext) {
super(adapter, presentationContext);
IRootVMNode root = new RootVMNode(this);
IVMNode fileSystemRoots = new FilesystemRootsVMNode(this);
addChildNodes(root, new IVMNode[] { fileSystemRoots });
IVMNode files = new FileVMNode(this);
addChildNodes(fileSystemRoots, new IVMNode[] { files });
addChildNodes(files, new IVMNode[] { files });
setRootNode(root);
}
/**
* Returns the input object to be set to the viewer that shows contents
* supplied by this provider.
*/
public Object getViewerInputObject() {
return fViewerInputObject;
}
/**
* Event handler for file selection text changes in the dialog.
* @param text New text entered in file selection text box.
*/
void selectionTextChanged(final String text) {
if (isDisposed()) return;
// We're in the UI thread. Re-dispach to VM Adapter executor thread
// and then call root layout node.
try {
getExecutor().execute(new Runnable() {
@Override
public void run() {
if (isDisposed()) return;
handleEvent(text);
}});
} catch (RejectedExecutionException e) {
// Ignore. This exception could be thrown if the provider is being
// shut down.
}
}
}
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