/**
 *    SampleWidget1.java
 *    Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
 *
 *    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 3 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.expeditee.items.widgets;

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.InputVerifier;
import javax.swing.JComboBox;
import javax.swing.JComponent;

import org.expeditee.items.Text;

public class SampleWidget1 extends DataFrameWidget {

	private static final String[] STRINGS = new String[] { "dog", "fish", "cat", "pig" };
	//private static final String[] STRINGS = new String[] { "1", "2", "3", "4", "1", "2", "3", "4", "1", "2", "3", "4", "1", "2", "3", "4" };
	private JComboBox<String> cmboOptions;

	public SampleWidget1(Text source, String[] args) {
		super(source,  new JComboBox<String>(STRINGS), 200, 200, 50, 50);
		cmboOptions = (JComboBox<String>) _swingComponent;
		final DisplaySelection listener = new DisplaySelection();
		cmboOptions.addActionListener(listener);
		cmboOptions.addItemListener(listener);
		cmboOptions.addFocusListener(listener);
		cmboOptions.setInputVerifier(listener);
		for (Component c : cmboOptions.getComponents()) {
			c.setFocusable(true);
		}
		System.err.println("SampleWidget1::setting light weight popup enabled to false.");
		cmboOptions.setLightWeightPopupEnabled(false);
	}
		
	private void printParents(final java.awt.Component component) {
		if(component.getParent() != null) {
			printParents(component.getParent());
			System.err.println("Component: " + component);
		} else {
			System.err.println("Component: " + component);
		}
	}

	private final class DisplaySelection extends InputVerifier implements ActionListener, ItemListener, FocusListener {
		@Override
		public void actionPerformed(final ActionEvent e) {
			System.err.println("Selected Item: " + cmboOptions.getSelectedItem());
		}

		@Override
		public void itemStateChanged(final ItemEvent e) {
			if(e.getStateChange() == ItemEvent.SELECTED) {
				//System.err.println("Combobox Selected");
				//System.err.println("SampleWidget1::main component children count: " + cmboOptions.getComponents().length);
			} else if (e.getStateChange() == ItemEvent.DESELECTED) {
				//System.err.println("Combobox Lost Selection");
				//System.err.println("SampleWidget1::main component children count: " + cmboOptions.getComponents().length);
			} else {
				//System.err.println("Unexpected Combobox e.getStateChange(): " + e.getStateChange());
			}
		}

		@Override
		public void focusGained(FocusEvent e) {
			//System.err.println("Combobox focus gained");
			//System.err.println("Combobox popup visible: " + cmboOptions.isPopupVisible());
			//System.err.println("Combobox popup object: " + cmboOptions.getComponentPopupMenu());
		}

		@Override
		public void focusLost(FocusEvent e) {
			//System.err.println("Combobox focus lost");
		}

		@Override
		public boolean verify(JComponent input) {
			return true;
			//return !cmboOptions.isPopupVisible();
		}
	}

	@Override
	protected String[] getArgs() {
		String[] stateArgs = new String[1];
		stateArgs[0] = Integer.toString(cmboOptions.getSelectedIndex());
		return stateArgs;
	}

	/** TODO: REVISE
	@Override
	public void refresh() {
		super.refresh();
		Frame frame = getDataFrame();
		if(frame != null) {
			_combo.removeAllItems();
			for(Text text: frame.getBodyTextItems(false)) {
				_combo.addItem(text.getText());
			}
			_combo.setSelectedIndex(0);
		}
	}
	*/

}