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/*
nextobjects Copyright (C) 2001-2005 Emmanuel Florent
This program 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) any later version.
This program 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 this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.Icon;
import javax.swing.JTabbedPane;
/**
* A JTabbedPane which has a close ('X') icon on each tab.
*
* To add a tab, use the method addTab(String, Component)
*
* To have an extra icon on each tab use
* the method addTab(String, Component, Icon).
* Only clicking the 'X' closes the tab.
*/
public class ClosableTabbedPane extends JTabbedPane implements MouseListener
{
/**
* constructor
*/
public ClosableTabbedPane(EdtMainFrame mainFrame)
{
super();
this.mainFrame = mainFrame;
addMouseListener(this);
}
/**
* add a tabbed pane
* @param component the component
* @param title the title
*/
public void addTab(String title, Component component)
{
this.addTab(title, component, null);
}
/**
* add a tabbed pane
* @param title title
* @param component component
* @param extraIcon icon
*/
public void addTab(String title, Component component, Icon extraIcon)
{
super.addTab(title, new CloseTabIcon(extraIcon), component);
bubu.ui.UITools.setBackground(this, EdtMainFrame.AppColor);
}
/**
* What to do when mouse clicked
* @param e <code>MouseEvent</code>
*/
public void mouseClicked(MouseEvent e)
{
int tabNumber = getUI().tabForCoordinate(this, e.getX(), e.getY());
if (tabNumber < 0)
return;
Rectangle rect = ((CloseTabIcon) getIconAt(tabNumber)).getBounds();
if (rect.contains(e.getX(), e.getY()))
{
mainFrame.tabs.removeObject(this.getComponentAt(tabNumber));
this.remove(tabNumber);
System.gc();
}
}
/**
* What to di when mouse entered
* actually do nothing
* @param e <code>MouseEvent</code>
*/
public void mouseEntered(MouseEvent e)
{
}
/**
* What to di when mouse exited
* actually do nothing
* @param e <code>MouseEvent</code>
*/
public void mouseExited(MouseEvent e)
{
}
/**
* What to di when mouse pressed
* actually do nothing
* @param e <code>MouseEvent</code>
*/
public void mousePressed(MouseEvent e)
{
}
/**
* What to di when mouse released
* actually do nothing
* @param e <code>MouseEvent</code>
*/
public void mouseReleased(MouseEvent e)
{
}
EdtMainFrame mainFrame;
}
/**
* The class which generates the 'X' icon for the tabs. The constructor
* accepts an icon which is extra to the 'X' icon, so you can have tabs
* like in JBuilder. This value is null if no extra icon is required.
*/
class CloseTabIcon implements Icon
{
/**
* X position
*/
private int x_pos;
/**
* Y position
*/
private int y_pos;
/**
* Width
*/
private int width;
/**
* Height
*/
private int height;
/**
* Icon
*/
private Icon fileIcon;
/**
* CloseTabIcon
* @param fileIcon the file icon
*/
public CloseTabIcon(Icon fileIcon)
{
this.fileIcon = fileIcon;
width = 16;
height = 16;
}
/**
* Paint icon
* @param c component
* @param g graphics g
* @param x x
* @param y y
*/
public void paintIcon(Component c, Graphics g, int x, int y)
{
this.x_pos = x;
this.y_pos = y;
Color col = g.getColor();
g.setColor(Color.black);
int y_p = y + 2;
g.drawLine(x + 1, y_p, x + 12, y_p);
g.drawLine(x + 1, y_p + 13, x + 12, y_p + 13);
g.drawLine(x, y_p + 1, x, y_p + 12);
g.drawLine(x + 13, y_p + 1, x + 13, y_p + 12);
g.drawLine(x + 3, y_p + 3, x + 10, y_p + 10);
g.drawLine(x + 3, y_p + 4, x + 9, y_p + 10);
g.drawLine(x + 4, y_p + 3, x + 10, y_p + 9);
g.drawLine(x + 10, y_p + 3, x + 3, y_p + 10);
g.drawLine(x + 10, y_p + 4, x + 4, y_p + 10);
g.drawLine(x + 9, y_p + 3, x + 3, y_p + 9);
g.setColor(col);
if (fileIcon != null)
{
fileIcon.paintIcon(c, g, x + width, y_p);
}
}
/**
* get the icon width
* @return the width
*/
public int getIconWidth()
{
return width + (fileIcon != null ? fileIcon.getIconWidth() : 0);
}
/**
* get icon height
* @return height
*/
public int getIconHeight()
{
return height;
}
/**
* get the boundaries
* @return bounds
*/
public Rectangle getBounds()
{
return new Rectangle(x_pos, y_pos, width, height);
}
} |
