package org.signalml.app.view.workspace;
import javax.swing.*;
import javax.swing.plaf.basic.BasicButtonUI;
import java.awt.*;
import java.awt.event.*;
import org.signalml.plugin.export.signal.Document;
import org.signalml.app.document.DocumentFlowIntegrator;
/**
* <p>Component to be used as tabComponent for the ViewerDocumentTabbedPane.
* Contains a JLabel to show the text and a JButton to close the tab it belongs to.</p>
*
* <p>This class is a modified version of the class available at
* http://download.oracle.com/javase/tutorial/uiswing/components/tabbedpane.html.
* The source code of this class is copyrighted by Oracle under the terms below.</p>
*
* <p>Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.</p>
*
* <p>Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:</p>
*
* <ul>
* <li>Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.</li>
*
* <li>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</li>
*
* <li>Neither the name of Oracle or the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.</li>
* </ul>
*
* <p>THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT OWNER 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.</p>
*/
public class ViewerDocumentTabbedPaneTabComponent extends JPanel {
/**
* The ViewerDocumentTabbedPane in which this component is used.
*/
private final ViewerDocumentTabbedPane pane;
/**
* Creates this tab component.
* @param pane the ViewerDocumentTabbedPane in which this component is
* used.
*/
public ViewerDocumentTabbedPaneTabComponent(final ViewerDocumentTabbedPane pane) {
//unset default FlowLayout' gaps
super(new FlowLayout(FlowLayout.LEFT, 0, 0));
if (pane == null) {
throw new NullPointerException("TabbedPane is null");
}
this.pane = pane;
setOpaque(false);
//make JLabel read titles from JTabbedPane
JLabel label = new JLabel() {
public String getText() {
int i = pane.indexOfTabComponent(ViewerDocumentTabbedPaneTabComponent.this);
if (i != -1) {
return pane.getTitleAt(i);
}
return null;
}
};
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));
}
/**
* The button used for closing the current tab.
*/
private class TabButton extends JButton implements ActionListener {
public TabButton() {
int size = 17;
setPreferredSize(new Dimension(size, size));
//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) {
int i = pane.indexOfTabComponent(ViewerDocumentTabbedPaneTabComponent.this);
if (i != -1) {
DocumentFlowIntegrator documentFlowIntegrator = pane.getDocumentFlowIntegrator();
Document document = pane.getDocumentInTab(i);
documentFlowIntegrator.closeDocumentAndHandleExceptions(document);
}
}
//we don't want to update UI for this button
public void updateUI() {
}
//paint the cross
protected void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g.create();
//shift the image for pressed buttons
if (getModel().isPressed()) {
g2.translate(1, 1);
}
g2.setStroke(new BasicStroke(2));
g2.setColor(Color.BLACK);
if (getModel().isRollover()) {
g2.setColor(Color.MAGENTA);
}
int delta = 6;
g2.drawLine(delta, delta, getWidth() - delta - 1, getHeight() - delta - 1);
g2.drawLine(getWidth() - delta - 1, delta, delta, getHeight() - delta - 1);
g2.dispose();
}
}
/**
* Mouse listener for this TabButton.
*/
private final static MouseListener buttonMouseListener = new MouseAdapter() {
public void mouseEntered(MouseEvent e) {
Component component = e.getComponent();
if (component instanceof AbstractButton) {
AbstractButton button = (AbstractButton) component;
button.setBorderPainted(true);
}
}
public void mouseExited(MouseEvent e) {
Component component = e.getComponent();
if (component instanceof AbstractButton) {
AbstractButton button = (AbstractButton) component;
button.setBorderPainted(false);
}
}
};
}