/*
* 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.Component;
import java.awt.GridLayout;
import java.awt.Point;
import java.util.List;
import javax.persistence.metamodel.Attribute;
import javax.persistence.metamodel.EntityType;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JPanel;
/**
* View of a persistent entity type as a JPanel.
*
* @author Pinaki Poddar
*
*/
@SuppressWarnings("serial")
public class EntityTypeView<T> extends JPanel {
final EntityType<T> type;
final int hgap = 4;
final int vgap = 4;
public EntityTypeView(EntityType<T> type) {
this.type = type;
GridLayout layout = new GridLayout(0,1);
setLayout(layout);
layout.setVgap(vgap);
layout.setHgap(hgap);
setBackground(Color.WHITE);
setBorder(BorderFactory.createTitledBorder(MetamodelHelper.getDisplayName(type)));
int w = 0;
int h = 0;
List<Attribute<? super T,?>> attrs = MetamodelHelper.getAttributes(type);
for (Attribute<? super T,?> attr : attrs) {
JComponent c = new AttributeView(attr);
add(c);
w = Math.max(w, c.getPreferredSize().width);
h += c.getPreferredSize().height + 2*vgap;
}
// setPreferredSize(new Dimension(w,h));
}
public EntityType<T> getEntityType() {
return type;
}
/**
* Gets the top left position of the attribute label relative to this entity view.
*/
public Point getPosition(Attribute<?,?> attr) {
for (Component c : getComponents()) {
if (c instanceof AttributeView) {
if (((AttributeView)c).getAttribute().equals(attr)) {
return new Point(c.getLocation().x, c.getLocation().y + c.getHeight()/2);
}
}
}
return new Point(0,0);
}
}