org.jdesktop.swingx.plaf.synth.SynthBorder Maven / Gradle / Ivy
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/*
* $Id$
*
* Copyright 2009 Sun Microsystems, Inc., 4150 Network Circle,
* Santa Clara, California 95054, U.S.A. All rights reserved.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
package org.jdesktop.swingx.plaf.synth;
/*
* @(#)SynthBorder.java 1.15 06/11/30
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
import javax.swing.JComponent;
import javax.swing.border.AbstractBorder;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.synth.SynthContext;
import javax.swing.plaf.synth.SynthStyle;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Insets;
/**
* SynthBorder is a border that delegates to a Painter. The Insets
* are determined at construction time.
*
* Copied from core
*
* @author Scott Violet
* @version 1.15, 11/30/06
*/
class SynthBorder extends AbstractBorder implements UIResource {
private final SynthUI ui;
private final Insets insets;
SynthBorder(SynthUI ui, Insets insets) {
this.ui = ui;
this.insets = insets;
}
SynthBorder(SynthUI ui) {
this(ui, null);
}
@Override
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
JComponent jc = (JComponent) c;
SynthContext context = ui.getContext(jc);
SynthStyle style = context.getStyle();
if (style == null) {
assert false : "SynthBorder is being used outside after the UI " + "has been uninstalled";
return;
}
ui.paintBorder(context, g, x, y, width, height);
}
/**
* This default implementation returns a new Insets
* instance where the top, left,
* bottom, and
* right fields are set to 0.
*
* @param c the component for which this border insets value applies
* @return the new Insets object initialized to 0
*/
@Override
public Insets getBorderInsets(Component c) {
return getBorderInsets(c, null);
}
/**
* Reinitializes the insets parameter with this Border's current Insets.
*
* @param c the component for which this border insets value applies
* @param insets the object to be reinitialized
* @return the insets object
*/
@Override
public Insets getBorderInsets(Component c, Insets insets) {
if (this.insets != null) {
if (insets == null) {
insets = new Insets(this.insets.top, this.insets.left, this.insets.bottom, this.insets.right);
} else {
insets.top = this.insets.top;
insets.bottom = this.insets.bottom;
insets.left = this.insets.left;
insets.right = this.insets.right;
}
} else if (insets == null) {
insets = new Insets(0, 0, 0, 0);
} else {
insets.top = insets.bottom = insets.left = insets.right = 0;
}
return insets;
}
/**
* This default implementation returns false.
*
* @return false
*/
@Override
public boolean isBorderOpaque() {
return false;
}
}