/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jpa.tools.swing;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.image.BufferedImage;
import javax.persistence.metamodel.Attribute;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
/**
* Displays color codes of each attribute type.
*
* @author Pinaki Poddar
*
*/
@SuppressWarnings("serial")
public class AttributeLegendView extends JPanel {
public AttributeLegendView() {
super(true);
setBorder(BorderFactory.createTitledBorder("Attribute Legends"));
setLayout(new GridLayout(0,3));
add(createColoredLabel("IDENTITY", Color.RED));
add(createColoredLabel("VERSION", Color.DARK_GRAY));
for (Attribute.PersistentAttributeType type : Attribute.PersistentAttributeType.values()) {
add(createColoredLabel(type.toString().replace('_', ' '), MetamodelHelper.getColor(type)));
}
}
JComponent createColoredLabel(String text, Color c) {
int width = 40;
int height = 20;
BufferedImage bimage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
for (int i = 0; i < width; i++)
for (int j = 0; j < height; j++)
bimage.setRGB(i, j, c.getRGB());
JLabel label = new JLabel(text, new ImageIcon(bimage), JLabel.LEADING);
return label;
}
}