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/**
 * Copyright (C) 2010-2012 Agrosense [email protected]
 *
 * Licensed under the Eclipse Public License - v 1.0 (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.eclipse.org/legal/epl-v10.html
 *
 * 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 nl.cloudfarming.client.util.swing;

import java.awt.*;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;
import net.miginfocom.swing.MigLayout;
import org.openide.util.ImageUtilities;

/**
 * Panel which contains AgroSense header background.
 * The constructor needs a LayoutManger for the body area of this panel.
 * there are two areas which can be manipulated.
 * The Title area: use setTitle to add a title
 * The body area: use the default add methods of component to add components to it
 * @author monezz & Merijn Zengers
 */
public class ASBodyPanel extends JPanel {

    private AgroSenseHeader header;
    private LayoutManager bodyLayoutManager;
    private JPanel bodyPanel;
    private static final int PANEL_HEIGHT = 400;

    /**
     * Creates new form ASPanel
     * Needs a LayoutManager to use for the body area of this panel.
     * Use this manager to manipulate the components added too this panel. 
     */
    public ASBodyPanel(LayoutManager bodyLayoutManager) {
        this.bodyLayoutManager = bodyLayoutManager;
        initComponents();
    }

    private void initComponents() {
        this.setLayout(new MigLayout("wrap 1, insets 0 0 0 0"));
        setBackground(Color.white);
        this.bodyPanel = new JPanel(bodyLayoutManager);
        bodyPanel.setBackground(Color.white);
        header = new AgroSenseHeader();
        Dimension size = new Dimension(header.getWidth(), PANEL_HEIGHT);
        setPreferredSize(size);
        setMinimumSize(size);
        setMaximumSize(size);
        setSize(size);
        super.add(header);
        super.add(bodyPanel);
    }
    
    /**
     * Sets the title of this panel.
     * This will be displayed in the title area of the panel
     * @param title the title to set.
     */
    public void setTitle(String title){
        header.setTitle(title);
    }
    
    /**
     * Set the icon for this panel
     * Will place this icon before the title
     * @param icon the icon to set
     */
    public void setIcon(ImageIcon icon){
        header.setIcon(icon);
    }
    
    @Override
    public Component add(Component component){
        return bodyPanel.add(component);
    }
    
    @Override
    public void add(Component component, Object constraints){
        bodyPanel.add(component, constraints);
    }

    private class AgroSenseHeader extends AgroSenseImage{   
        private JLabel title;
        private JLabel iconLabel;
        
        public AgroSenseHeader(){
            init();
        }
        
        private void init(){
            this.setLayout(new MigLayout("wrap 2, insets 0 0 0 0"));
            iconLabel = new JLabel();
            iconLabel.setPreferredSize(new Dimension(0, 0));
            title = new JLabel();
            title.setFont(new java.awt.Font("DejaVu Sans", 0, 24));
            this.add(iconLabel, "gap top 40, gap left 12");
            this.add(title, "gap top 40, gap left 5");
            
        }
        
        void setIcon(ImageIcon icon){
            iconLabel.setPreferredSize(new Dimension(icon.getIconWidth(),icon.getIconHeight()));
            iconLabel.setIcon(icon);
            this.repaint();
        }
        
        void setTitle(String title){
            this.title.setText(title);
            this.repaint();
        }
    }
    
    private class AgroSenseImage extends JPanel {

        private Image background = ImageUtilities.loadImage("nl/cloudfarming/client/util/swing/background-base600.png");
        

        public AgroSenseImage() {
            Dimension size = new Dimension(background.getWidth(null), background.getHeight(null));
            setPreferredSize(size);
            setMinimumSize(size);
            setMaximumSize(size);
            setSize(size);
        }
        
        

        @Override
        protected void paintComponent(Graphics g) {
            Graphics2D g2d = (Graphics2D) g;
            g2d.setPaint(getBackground());
            g2d.fillRect(0, 0, getWidth(), getHeight());
            g.drawImage(background, 0, 0, getWidth(), background.getHeight(this), null);
        }
    }
}