/*
* Freeplane - mind map editor
* Copyright (C) 2011 dimitry
*
* This file author is dimitry
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.core.ui.components;
import java.awt.CardLayout;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import javax.swing.Box;
import javax.swing.ComboBoxEditor;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JPanel;
import org.freeplane.core.resources.NamedObject;
/**
* @author Dimitry Polivaev
* Mar 12, 2011
*/
public class ContainerComboBoxEditor implements ComboBoxEditor {
final private Map<NamedObject, ComboBoxEditor> editors;
private ComboBoxEditor editor;
final private JComboBox editorSelector;
final private JPanel editorPanel;
private Box editorComponent;
final private List<ActionListener> actionListeners;
public ContainerComboBoxEditor() {
editors = new HashMap<NamedObject, ComboBoxEditor>();
editorComponent = Box.createHorizontalBox();
editorSelector = new JComboBox();
editorSelector.setEditable(false);
editorSelector.setRenderer(NamedObject.getIconRenderer());
editorSelector.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
final NamedObject key = (NamedObject) editorSelector.getSelectedItem();
editor = editors.get(key);
final CardLayout layout = (CardLayout) editorPanel.getLayout();
layout.show(editorPanel, key.getObject().toString());
editor.getEditorComponent().requestFocusInWindow();
final ActionEvent actionEvent = new ActionEvent(editor, 0, null);
for (final ActionListener l : actionListeners) {
l.actionPerformed(actionEvent);
}
}
});
editorComponent.add(editorSelector);
editorPanel = new JPanel(new CardLayout(0, 0));
editorComponent.add(editorPanel);
actionListeners = new LinkedList<ActionListener>();
}
public boolean put(NamedObject key, ComboBoxEditor editor){
final ComboBoxEditor oldEditor = editors.put(key, editor);
if(oldEditor != null){
editors.put(key, oldEditor);
return false;
}
final DefaultComboBoxModel model = (DefaultComboBoxModel) editorSelector.getModel();
model.addElement(key);
if(this.editor == null){
this.editor = editor;
}
editorPanel.add(editor.getEditorComponent(), key.getObject().toString());
return true;
}
public Component getEditorComponent() {
return editorComponent;
}
public void setItem(Object anObject) {
if(anObject == null){
setItem("");
return;
}
for(Entry<NamedObject, ComboBoxEditor> editorEntry: editors.entrySet()){
final ComboBoxEditor editor = editorEntry.getValue();
editor.setItem(anObject);
final Object item = editor.getItem();
NamedObject key = editorEntry.getKey();
if(anObject.equals(item) && ! key.equals(editorSelector.getSelectedItem())){
editorSelector.setSelectedItem(key);
return;
}
}
}
public Object getItem() {
return editor.getItem();
}
public void selectAll() {
editor.selectAll();
}
public void addActionListener(ActionListener l) {
actionListeners.add(l);
for(ComboBoxEditor e : editors.values())
e.addActionListener(l);
}
public void removeActionListener(ActionListener l) {
actionListeners.remove(l);
for(ComboBoxEditor e : editors.values())
e.removeActionListener(l);
}
}