imxmi/src/com/idcanet/vasc/frontends/swing/ui/SwingLabel.java

/*
 * Copyright 2004-2007 IDCA. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 * 
 *    1. Redistributions of source code must retain the above copyright notice, this list of conditions and
 *        the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
 *        and the following disclaimer in the documentation and/or other materials provided with the
 *        distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY IDCA AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL IDCA OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation are those of the authors and
 * should not be interpreted as representing official policies, either expressed or implied, of IDCA.
 */

package com.idcanet.vasc.frontends.swing.ui;

import java.awt.Color;

import javax.swing.JComponent;
import javax.swing.JLabel;

import com.idcanet.vasc.core.VascEntry;
import com.idcanet.vasc.core.VascEntryField;
import com.idcanet.vasc.core.ui.AbstractVascUIComponent;
import com.idcanet.vasc.core.ui.VascValueModel;


/**
 * 
 * @author Willem Cazander
 * @version 1.0 Sep 21, 2008
 */
public class SwingLabel extends AbstractVascUIComponent {
	
	private JLabel label = null;
	private Color orgBackgroundColor = null;
	
	public Object createComponent(VascEntry table,VascEntryField entryField,VascValueModel model,Object gui) throws Exception {
		label = new JLabel();
		label.setHorizontalAlignment(JLabel.TRAILING);
		orgBackgroundColor = label.getBackground();
		label.setText(""+model.getValue());
		((JComponent)gui).add(label);
		return label;
	}

	/**
	 * @see com.idcanet.vasc.core.ui.VascUIComponent#getErrorText()
	 */
	public String getErrorText() {
		if (label==null) {
			return null;
		}
		return label.getToolTipText();
	}

	/**
	 * @see com.idcanet.vasc.core.ui.VascUIComponent#setErrorText(java.lang.String)
	 */
	public void setErrorText(String text) {
		if (label==null) {
			return;
		}
		label.setToolTipText(text);
		if (text==null) {
			label.setBackground(orgBackgroundColor);
		} else {
			label.setBackground(Color.RED);
		}
	}
}