ButtonTabComponent.java

/*
** This file is part of Filius, a network construction and simulation software.
** 
** Originally created at the University of Siegen, Institute "Didactics of
** Informatics and E-Learning" by a students' project group:
**     members (2006-2007): 
**         André Asschoff, Johannes Bade, Carsten Dittich, Thomas Gerding,
**         Nadja Haßler, Ernst Johannes Klebert, Michell Weyer
**     supervisors:
**         Stefan Freischlad (maintainer until 2009), Peer Stechert
** Project is maintained since 2010 by Christian Eibl <filius@c.fameibl.de>
 **         and Stefan Freischlad
** Filius is 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, either version 2 of the License, or
** (at your option) version 3.
** 
** Filius 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 Filius.  If not, see <http://www.gnu.org/licenses/>.
*/
package filius.gui.nachrichtensicht;

import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.Enumeration;
import java.util.Hashtable;

import javax.swing.AbstractButton;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.plaf.basic.BasicButtonUI;

import filius.rahmenprogramm.I18n;
import filius.software.system.SystemSoftware;

/**
 * Component to be used as tabComponent;
 * Contains a JLabel to show the text and
 * a JButton to close the tab it belongs to
 */
public class ButtonTabComponent extends JPanel implements I18n {
    private LauscherDialog lauscherDialog;
    private SystemSoftware systemSoftware;

    public ButtonTabComponent(LauscherDialog dialog, SystemSoftware system) {
        super(new FlowLayout(FlowLayout.LEFT, 0, 0));

        lauscherDialog = dialog;
        systemSoftware = system;
        setOpaque(false);

        JLabel label = new JLabel();;
        label.setText(systemSoftware.getKnoten().getName());
        add(label);
        //add more space between the label and the button
        label.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 5));
        //tab button
        JButton button = new TabButton();
        add(button);
        //add more space to the top of the component
        setBorder(BorderFactory.createEmptyBorder(2, 0, 0, 0));
    }

    private class TabButton extends JButton implements ActionListener {
        public TabButton() {
            int size = 17;
            setPreferredSize(new Dimension(size, size));
            setToolTipText(messages.getString("buttontabcomponent_msg1"));
            //Make the button looks the same for all Laf's
            setUI(new BasicButtonUI());
            //Make it transparent
            setContentAreaFilled(false);
            //No need to be focusable
            setFocusable(false);
            setBorder(BorderFactory.createEtchedBorder());
            setBorderPainted(false);
            //Making nice rollover effect
            //we use the same listener for all buttons
            addMouseListener(buttonMouseListener);
//            setRolloverEnabled(true);
            //Close the proper tab by clicking the button
            addActionListener(this);
        }

        public void actionPerformed(ActionEvent e) {
        	lauscherDialog.removeTabelle(systemSoftware, ButtonTabComponent.this);
        }

        //paint the cross
        protected void paintComponent(Graphics g) {
            super.paintComponent(g);
            Graphics2D g2 = (Graphics2D) g.create();

            int posX = 3;
            int posY = 3;
            int breite = 12;
            int hoehe = 12;
            Rectangle rechteck = new Rectangle(posX,posY,breite,hoehe);

            g2.setColor(new Color(255,0,0));
			g2.setComposite(AlphaComposite.getInstance( AlphaComposite.SRC_OVER ,0.4f ));
			g2.fillRoundRect(posX, posY, breite, hoehe, 3, 3);
			g2.setComposite(AlphaComposite.getInstance( AlphaComposite.SRC_OVER ,1.0f ));
			g2.setColor(new Color(255,255,255));

			g2.setStroke(new BasicStroke(2));
			g2.drawLine(posX+3, posY+3, posX+breite-3, posY+hoehe-3);
			g2.drawLine(posX+breite-3, posY+3, posX+3, posY+hoehe-3);
        }
    }

    private final static MouseListener buttonMouseListener = new MouseAdapter() {
        public void mouseEntered(MouseEvent e) {
            Component component = e.getComponent();
            if (component instanceof AbstractButton) {
                AbstractButton button = (AbstractButton) component;
            }
        }

        public void mouseExited(MouseEvent e) {
            Component component = e.getComponent();
            if (component instanceof AbstractButton) {
                AbstractButton button = (AbstractButton) component;
            }
        }
    };
}