/*
* Autopsy Forensic Browser
*
* Copyright 2013 Basis Technology Corp.
* Contact: carrier <at> sleuthkit <dot> org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obt ain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.sleuthkit.autopsy.corecomponents;
import java.awt.Component;
import java.beans.PropertyVetoException;
import java.util.logging.Level;
import javax.swing.JPanel;
import org.openide.explorer.ExplorerManager;
import org.openide.explorer.ExplorerManager.Provider;
import org.openide.nodes.Node;
import org.openide.util.Lookup;
import org.sleuthkit.autopsy.corecomponentinterfaces.DataContent;
import org.sleuthkit.autopsy.corecomponentinterfaces.DataResultViewer;
import org.sleuthkit.autopsy.coreutils.Logger;
/**
* This class provides a default implementation of selected methods of the
* DataResultViewer interface. Derived classes will be Swing JPanel objects.
* Additionally, the ExplorerManager.Provider interface is implemented to
* supply an ExplorerManager to derived classes and their child components.
*/
abstract class AbstractDataResultViewer extends JPanel implements DataResultViewer, Provider {
private static final Logger logger = Logger.getLogger(AbstractDataResultViewer.class.getName());
protected transient ExplorerManager em;
/**
* Content viewer to respond to selection events Either the main one, or
* custom one if set
*/
protected DataContent contentViewer;
/**
* This constructor is intended to allow an AbstractDataResultViewer to use
* an ExplorerManager provided by a TopComponent, allowing Node selections
* to be available to Actions via the action global context lookup when
* the TopComponent has focus. The ExplorerManager must be present when the
* object is constructed so that its child components can discover it using
* the ExplorerManager.find() method.
*/
public AbstractDataResultViewer(ExplorerManager explorerManager) {
this.em = explorerManager;
initialize();
}
/**
* This constructor can be used by AbstractDataResultViewers that do not
* need to make Node selections available to Actions via the action global
* context lookup.
*/
public AbstractDataResultViewer() {
em = new ExplorerManager();
initialize();
}
private void initialize() {
//DataContent is designed to return only the default viewer from lookup
//use the default one unless set otherwise
contentViewer = Lookup.getDefault().lookup(DataContent.class);
}
@Override
public void clearComponent() {
}
public Node getSelectedNode() {
Node result = null;
Node[] selectedNodes = this.getExplorerManager().getSelectedNodes();
if (selectedNodes.length > 0) {
result = selectedNodes[0];
}
return result;
}
@Override
public void expandNode(Node n) {
}
@Override
public void resetComponent() {
}
@Override
public Component getComponent() {
return this;
}
@Override
public ExplorerManager getExplorerManager() {
return this.em;
}
@Override
public void setSelectedNodes(Node[] selected) {
try {
this.em.setSelectedNodes(selected);
} catch (PropertyVetoException ex) {
logger.log(Level.WARNING, "Couldn't set selected nodes.", ex); //NON-NLS
}
}
@Override
public void setContentViewer(DataContent contentViewer) {
this.contentViewer = contentViewer;
}
}