/* class JPanel
*
* Copyright (C) 2001 R M Pitman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package charvax.swing;
import charva.awt.Container;
import charva.awt.FlowLayout;
import charva.awt.Insets;
import charva.awt.LayoutManager;
import charva.awt.Point;
import charva.awt.Toolkit;
import charvax.swing.border.Border;
/**
* JPanel is a generic lightweight container.
*/
public class JPanel
extends Container
{
/**
* The default constructor sets the layout manager to FlowLayout.
*/
public JPanel() {
_layoutMgr = new FlowLayout();
}
/**
* Use this constructor if you want to use a layout manager other than
* the default FlowLayout.
*/
public JPanel(LayoutManager layout_) {
_layoutMgr = layout_;
}
public void setBorder(Border border_) {
_border = border_;
}
public Border getBorder() { return _border; }
public Insets getInsets() {
if (_border != null) {
return _border.getBorderInsets(this);
}
else
return super.getInsets();
}
/**
* Draws the border of the panel (if there is one), plus
* all the contained components.
* @param toolkit
*/
public void draw(Toolkit toolkit) {
Point origin = getLocationOnScreen();
/* Blank out the area of this component, but only if this
* component's color-pair is different than that of the
* parent container.
*/
int colorpair = getCursesColor();
// Container parent = getParent();
// if (parent != null && colorpair != parent.getCursesColor())
toolkit.blankBox(origin, _size, colorpair);
if (_border != null) {
_border.paintBorder(this, 0,
origin.x, origin.y,
_size.width, _size.height, toolkit);
}
/* Draw all the components contained by this container.
*/
super.draw(toolkit);
}
public String toString() {
return "JPanel origin=" + _origin + " size=" + _size;
}
public void debug(int level_) {
for (int i=0; i<level_; i++)
System.err.print(" ");
System.err.println(this.toString());
super.debug(level_ + 1);
}
//====================================================================
// INSTANCE VARIABLES
private Border _border = null;
}