/*
* Encog(tm) Workbench v3.0
* http://www.heatonresearch.com/encog/
* http://code.google.com/p/encog-java/
* Copyright 2008-2011 Heaton Research, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.workbench.frames.document.tree;
import java.awt.BorderLayout;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetDragEvent;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.dnd.DropTargetEvent;
import java.awt.dnd.DropTargetListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.tree.TreePath;
import org.encog.util.file.FileUtil;
import org.encog.workbench.EncogWorkBench;
import org.encog.workbench.frames.document.EncogDocumentFrame;
import org.encog.workbench.util.MouseUtil;
public class ProjectTree extends JPanel implements MouseListener, KeyListener,
DropTargetListener {
private JTree tree;
private final EncogCollectionModel collectionModel;
private EncogDocumentFrame doc;
private DropTarget dt;
public ProjectTree(EncogDocumentFrame doc) {
this.doc = doc;
// setup the contents list
this.collectionModel = new EncogCollectionModel();
this.tree = new JTree(this.collectionModel);
// this.tree.setRootVisible(false);
this.tree.addMouseListener(this);
this.tree.addKeyListener(this);
this.tree.setCellRenderer(new ProjectTreeRenderer());
final JScrollPane scrollPane = new JScrollPane(this.tree);
this.setLayout(new BorderLayout());
this.add(scrollPane, BorderLayout.CENTER);
this.tree.updateUI();
dt = new DropTarget(this, this);
}
public List<ProjectItem> getSelectedValue() {
List<ProjectItem> result = new ArrayList<ProjectItem>();
TreePath[] path = this.tree.getSelectionPaths();
if (path == null || path.length == 0)
return null;
for (int i = 0; i < path.length; i++) {
Object obj = path[i].getLastPathComponent();
if (obj instanceof ProjectItem)
result.add((ProjectItem) obj);
}
return result;
}
public void rightMouseClicked(final MouseEvent e, final Object item) {
if( EncogWorkBench.getInstance().getMainWindow().getTabManager().notWithModalTabOpen() )
return;
this.doc.getPopupMenus().rightMouseClicked(e, item);
}
public void mouseClicked(MouseEvent e) {
if( EncogWorkBench.getInstance().getMainWindow().getTabManager().notWithModalTabOpen() )
return;
TreePath path = this.tree.getSelectionPath();
// see if something should be selected because of right-click
if (MouseUtil.isRightClick(e)) {
TreePath[] currentPaths = this.tree.getSelectionPaths();
TreePath rightPath = this.tree.getClosestPathForLocation(e.getX(),
e.getY());
boolean included = false;
if (currentPaths != null) {
for (TreePath t : currentPaths) {
if (t.equals(rightPath))
included = true;
}
}
if (!included)
this.tree.setSelectionPath(path = rightPath);
}
if (path != null) {
Object obj = path.getLastPathComponent();
if (obj instanceof ProjectFile) {
if (MouseUtil.isRightClick(e)) {
rightMouseClicked(e, obj);
} else if (e.getClickCount() == 2) {
ProjectFile pf = (ProjectFile) obj;
this.doc.openFile(pf);
}
} else if (obj instanceof ProjectParent && e.getClickCount() == 2) {
File p = this.collectionModel.getPath().getParentFile();
EncogWorkBench.getInstance().getMainWindow()
.changeDirectory(p);
} else if (obj instanceof ProjectDirectory
&& e.getClickCount() == 2) {
File p = new File(this.collectionModel.getPath(),
obj.toString());
EncogWorkBench.getInstance().getMainWindow()
.changeDirectory(p);
} else {
if (MouseUtil.isRightClick(e)) {
rightMouseClicked(e, obj);
}
}
}
}
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
}
public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
}
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
}
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
}
public void refresh() {
this.collectionModel.invalidate();
}
public void refresh(File path) {
this.collectionModel.invalidate(path);
EncogWorkBench.getInstance().getMainWindow().redraw();
}
public File getPath() {
return this.collectionModel.getPath();
}
public String[] listEGFiles() {
return this.collectionModel.listEGFiles();
}
public ProjectFile findTreeFile(String filename) {
return this.collectionModel.findTreeFile(filename);
}
public EncogCollectionModel getModel() {
return this.collectionModel;
}
public void dragEnter(DropTargetDragEvent arg0) {
// TODO Auto-generated method stub
}
public void dragExit(DropTargetEvent arg0) {
// TODO Auto-generated method stub
}
public void dragOver(DropTargetDragEvent arg0) {
// TODO Auto-generated method stub
}
public void drop(DropTargetDropEvent dtde) {
if( EncogWorkBench.getInstance().getMainWindow().getTabManager().notWithModalTabOpen() )
return;
try {
if( EncogWorkBench.getInstance().getProjectDirectory()==null ) {
EncogWorkBench.displayError("Error", "Open a project before using drag and drop.");
return;
}
if( !EncogWorkBench.askQuestion("Drag and Drop", "Copy the file(s) to the project?") )
{
return;
}
Transferable tr = dtde.getTransferable();
DataFlavor[] flavors = tr.getTransferDataFlavors();
for (int i = 0; i < flavors.length; i++) {
if (flavors[i].isFlavorJavaFileListType()) {
dtde.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
java.util.List list = (java.util.List) tr
.getTransferData(flavors[i]);
for (int j = 0; j < list.size(); j++) {
File sourceFile = new File(list.get(i).toString());
if( sourceFile.isDirectory() ) {
EncogWorkBench.displayError("Drag and Drop", "Can't drop folder.");
return;
}
String name = sourceFile.getName();
File targetFile = new File(EncogWorkBench.getInstance().getProjectDirectory(),name);
FileUtil.copy(sourceFile, targetFile);
}
// If we made it this far, everything worked.
dtde.dropComplete(true);
EncogWorkBench.getInstance().refresh();
return;
}
}
} catch (Exception e) {
EncogWorkBench.displayError("Drag and Drop", e);
}
dtde.rejectDrop();
}
public void dropActionChanged(DropTargetDragEvent arg0) {
// TODO Auto-generated method stub
}
public void keyTyped(KeyEvent e) {
if( EncogWorkBench.getInstance().getMainWindow().getTabManager().notWithModalTabOpen() )
return;
if( e.getKeyChar()==KeyEvent.VK_DELETE) {
EncogWorkBench.getInstance().getMainWindow().getOperations().performDelete();
}
}
public void keyPressed(KeyEvent e) {
}
public void keyReleased(KeyEvent e) {
}
}