/*
* 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.
*
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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 HorizontalLayout implements LayoutManager {
private final boolean proportionalHeight;
private final int hGap;
public HorizontalLayout(boolean proportionalHeight) {
this(proportionalHeight, 0);
}
public HorizontalLayout(boolean proportionalHeight, int hGap) {
this.proportionalHeight = proportionalHeight;
this.hGap = hGap;
}
public void layoutContainer(final Container parent) {
final Insets insets = parent.getInsets();
int posX = insets.left;
final int posY = insets.top;
final int height = parent.getHeight() - insets.top - insets.bottom;
for (Component comp : parent.getComponents()) {
if (comp.isVisible()) {
Dimension pref = comp.getPreferredSize();
if (proportionalHeight) {
int h = Math.min(pref.height, height);
int o = (height - h) / 2;
comp.setBounds(posX, posY + o, pref.width, h);
} else {
comp.setBounds(posX, posY, pref.width, height);
}
posX += hGap;
posX += pref.width;
}
}
}
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 maxHeight = 0;
int visibleCount = 0;
for (Component comp : parent.getComponents()) {
if (comp.isVisible() && !(comp instanceof Box.Filler)) {
final Dimension size = comp.getPreferredSize();
maxHeight = Math.max(maxHeight, size.height);
d.width += size.width;
visibleCount++;
}
}
d.width += (visibleCount - 1) * hGap;
d.height += maxHeight;
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 maxHeight = 0;
int visibleCount = 0;
for (Component comp : parent.getComponents()) {
if (comp.isVisible()) {
final Dimension size = comp.getPreferredSize();
maxHeight = Math.max(maxHeight, size.height);
d.width += size.width;
visibleCount++;
}
}
d.width += (visibleCount - 1) * hGap;
d.height += maxHeight;
return d;
}
public void addLayoutComponent(final String name, final Component comp) {}
public void removeLayoutComponent(final Component comp) {}
}