/**
* OrbisGIS is a java GIS application dedicated to research in GIScience.
* OrbisGIS is developed by the GIS group of the DECIDE team of the
* Lab-STICC CNRS laboratory, see <http://www.lab-sticc.fr/>.
*
* The GIS group of the DECIDE team is located at :
*
* Laboratoire Lab-STICC – CNRS UMR 6285
* Equipe DECIDE
* UNIVERSITÉ DE BRETAGNE-SUD
* Institut Universitaire de Technologie de Vannes
* 8, Rue Montaigne - BP 561 56017 Vannes Cedex
*
* OrbisGIS is distributed under GPL 3 license.
*
* Copyright (C) 2007-2014 CNRS (IRSTV FR CNRS 2488)
* Copyright (C) 2015-2017 CNRS (Lab-STICC UMR CNRS 6285)
*
* This file is part of OrbisGIS.
*
* OrbisGIS is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OrbisGIS is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* OrbisGIS. If not, see <http://www.gnu.org/licenses/>.
*
* For more information, please consult: <http://www.orbisgis.org/>
* or contact directly:
* info_at_ orbisgis.org
*/
package org.orbisgis.sif.components.fstree;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.beans.EventHandler;
import java.io.File;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JTree;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.MutableTreeNode;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreePath;
import org.apache.commons.io.FilenameUtils;
import org.xnap.commons.i18n.I18n;
import org.xnap.commons.i18n.I18nFactory;
/**
* This JTree Can be linked with the file system thanks to the TreeNodeFolder
* @author Nicolas Fortin
*/
public class FileTree extends JTree implements TreeNodeFileFactoryManager {
private static final long serialVersionUID = 1L;
private MouseListener treeMouse = EventHandler.create(MouseListener.class,this,"onMouseEvent","");
private AtomicBoolean initialized = new AtomicBoolean(false);
private static final I18n I18N = I18nFactory.getI18n(FileTree.class);
public FileTree(TreeModel tm) {
super(tm);
}
public FileTree() {
}
@Override
public void addNotify() {
super.addNotify();
if(!initialized.getAndSet(true)) {
setTransferHandler(new FileTreeTransferHandler());
setDragEnabled(true);
setCellRenderer(new CustomTreeCellRenderer(this));
addMouseListener(treeMouse);
getSelectionModel().addTreeSelectionListener(
EventHandler.create(TreeSelectionListener.class,
this,"onSelectionChange"));
javax.swing.ToolTipManager.sharedInstance().registerComponent(this);
}
}
/**
* Called when the tree selection change.
* Update the tree editable state
*/
public void onSelectionChange() {
TreePath[] Selected = getSelectionPaths();
if(Selected!=null) {
TreePath firstSelected = Selected[Selected.length-1];
Object comp = firstSelected.getLastPathComponent();
if(comp instanceof AbstractTreeNode) {
if(!isEditing()) {
setEditable(((AbstractTreeNode)comp).isEditable());
}
}
}
}
private boolean contains(TreePath[] selectionPaths, TreePath path) {
for (TreePath treePath : selectionPaths) {
Object[] objectPath = treePath.getPath();
Object[] testPath = path.getPath();
if (objectPath.length != testPath.length) {
return false;
} else {
for (int i = 0; i < testPath.length; i++) {
if (testPath[i] != objectPath[i]) {
return false;
}
}
}
return true;
}
return false;
}
/**
* Event on Tree, called by listener
* @param evt
*/
public void onMouseEvent(MouseEvent evt) {
if (evt.isPopupTrigger()) {
//Update selection
TreePath path = getPathForLocation(evt.getX(), evt.getY());
TreePath[] selectionPaths = getSelectionPaths();
if ((selectionPaths != null) && (path != null)) {
if (!contains(selectionPaths, path)) {
if (evt.isControlDown()) {
addSelectionPath(path);
} else {
setSelectionPath(path);
}
}
} else {
setSelectionPath(path);
}
//Show popup
makePopupMenu().show(evt.getComponent(),
evt.getX(), evt.getY());
}
}
/**
* The user select the menu rename
*/
public void onRenameItem() {
TreePath[] paths = getSelectionPaths();
if(paths!=null && paths.length==1) {
super.startEditingAtPath(paths[0]);
}
}
/**
* Fetch all selected items to make a pop-up menu
* @return
*/
private JPopupMenu makePopupMenu() {
JPopupMenu menu = new JPopupMenu();
TreePath[] paths = getSelectionPaths();
if(paths!=null) {
// Generic action on single TreeNode
if(paths.length == 1) {
Object component = paths[0].getLastPathComponent();
if(component instanceof AbstractTreeNode) {
AbstractTreeNode aTreeNode = (AbstractTreeNode) component;
if(aTreeNode.isEditable()) {
JMenuItem editMenu = new JMenuItem(I18N.tr("Rename"));
editMenu.addActionListener(
EventHandler.create(ActionListener.class,this,"onRenameItem"));
editMenu.setActionCommand("rename");
menu.add(editMenu);
}
}
}
for(TreePath treePath : paths) {
Object component = treePath.getLastPathComponent();
// All nodes
if(component instanceof MutableTreeNode) {
MutableTreeNode node = (MutableTreeNode)component;
for(TreeNodeFileFactory fact : getFactories()) {
fact.feedTreeNodePopupMenu(node, menu);
}
}
// Specific nodes
if(component instanceof PopupTreeNode) {
PopupTreeNode treeNode = (PopupTreeNode) component;
treeNode.feedPopupMenu(menu);
}
}
}
return menu;
}
// Map of extensions
private Map<String,TreeNodeFileFactory> factories =
new HashMap<String,TreeNodeFileFactory>();
@Override
public void addFactory(String extension, TreeNodeFileFactory factory) {
factories.put(extension.toLowerCase(), factory);
}
@Override
public Collection<TreeNodeFileFactory> getFactories() {
return factories.values();
}
@Override
public AbstractTreeNode create(File filePath) {
TreeNodeFileFactory factory = factories.get(FilenameUtils.getExtension(filePath.getName()).toLowerCase());
if(factory!=null) {
return factory.create(filePath);
} else {
return null;
}
}
}