/* 
 
Copyright 2006 Rene Grothmann, modified by Eric Hakenholz

This file is part of C.a.R. software.

    C.a.R. is a 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, version 3 of the License.

    C.a.R. 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 rene.gui;

import java.awt.TextField;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;

/**
 * A TextField with a modifyable background and font. This is used in
 * DoActionListener interfaces.
 */

public class TextFieldAction extends TextField implements FocusListener {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	protected ActionTranslator T;
	String S;

	public TextFieldAction(final DoActionListener t, final String name,
			final String s) {
		super(s);
		S = s;
		if (Global.NormalFont != null)
			setFont(Global.NormalFont);
		T = new ActionTranslator(t, name);
		addActionListener(T);
		addFocusListener(this);
	}

	public TextFieldAction(final DoActionListener t, final String name) {
		if (Global.NormalFont != null)
			setFont(Global.NormalFont);
		T = new ActionTranslator(t, name);
		addActionListener(T);
		addFocusListener(this);
	}

	public TextFieldAction(final DoActionListener t, final String name,
			final int n) {
		super(n);
		if (Global.NormalFont != null)
			setFont(Global.NormalFont);
		T = new ActionTranslator(t, name);
		addActionListener(T);
		addFocusListener(this);
	}

	public TextFieldAction(final DoActionListener t, final String name,
			final String s, final int n) {
		super(s, n);
		S = s;
		if (Global.NormalFont != null)
			setFont(Global.NormalFont);
		T = new ActionTranslator(t, name);
		addActionListener(T);
		addFocusListener(this);
	}

	public void triggerAction() {
		T.trigger();
	}

	public void focusGained(final FocusEvent e) {
		setSelectionStart(0);
	}

	public void focusLost(final FocusEvent e) {
		setSelectionStart(0);
		setSelectionEnd(0);
	}

	@Override
	public void setText(final String s) {
		super.setText(s);
		S = s;
	}

	public String getOldText() {
		return S;
	}

	public boolean isChanged() {
		return !S.equals(getText());
	}
}