/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.visualvm.uisupport;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.LayoutManager;
import javax.swing.Box;
/**
*
* @author Jiri Sedlacek
*/
public final class VerticalLayout implements LayoutManager {
private final boolean proportionalWidth;
private final int vGap;
public VerticalLayout(boolean proportionalWidth) {
this(proportionalWidth, 0);
}
public VerticalLayout(boolean proportionalWidth, int vGap) {
this.proportionalWidth = proportionalWidth;
this.vGap = vGap;
}
public void layoutContainer(final Container parent) {
final Insets insets = parent.getInsets();
final int posX = insets.left;
int posY = insets.top;
final int width = parent.getWidth() - insets.left - insets.right;
for (Component comp : parent.getComponents()) {
if (comp.isVisible()) {
Dimension pref = comp.getPreferredSize();
if (proportionalWidth) {
int w = Math.min(pref.width, width);
int o = (width - w) / 2;
comp.setBounds(posX, posY + o, w, pref.height);
} else {
comp.setBounds(posX, posY, width, pref.height);
}
pref.height += vGap;
posY += pref.height;
}
}
}
public Dimension minimumLayoutSize(final Container parent) {
final Insets insets = parent.getInsets();
final Dimension d = new Dimension(insets.left + insets.right,
insets.top + insets.bottom);
int maxWidth = 0;
int visibleCount = 0;
for (Component comp : parent.getComponents()) {
if (comp.isVisible() && !(comp instanceof Box.Filler)) {
final Dimension size = comp.getPreferredSize();
maxWidth = Math.max(maxWidth, size.width);
d.height += size.height;
visibleCount++;
}
}
d.height += (visibleCount - 1) * vGap;
d.width += maxWidth;
return d;
}
public Dimension preferredLayoutSize(final Container parent) {
final Insets insets = parent.getInsets();
final Dimension d = new Dimension(insets.left + insets.right,
insets.top + insets.bottom);
int maxWidth = 0;
int visibleCount = 0;
for (Component comp : parent.getComponents()) {
if (comp.isVisible()) {
final Dimension size = comp.getPreferredSize();
maxWidth = Math.max(maxWidth, size.width);
d.height += size.height;
visibleCount++;
}
}
d.height += (visibleCount - 1) * vGap;
d.width += maxWidth;
return d;
}
public void addLayoutComponent(final String name, final Component comp) {}
public void removeLayoutComponent(final Component comp) {}
}