/*
* Freeplane - mind map editor
* Copyright (C) 2008 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitry Polivaev
*
* This file author is to be reworked.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.core.resources.components;
import java.awt.CardLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Insets;
public class VariableSizeCardLayout extends CardLayout {
/**
*
*/
private static final long serialVersionUID = 1L;
public VariableSizeCardLayout() {
super();
}
public VariableSizeCardLayout(final int hgap, final int vgap) {
super(hgap, vgap);
}
/**
* Determines the preferred size of the container argument using this card
* layout.
*
* @param parent
* the parent container in which to do the layout
* @return the preferred dimensions to lay out the subcomponents of the
* specified container
* @see java.awt.Container#getPreferredSize
* @see java.awt.CardLayout#minimumLayoutSize
*/
@Override
public Dimension preferredLayoutSize(final Container parent) {
synchronized (parent.getTreeLock()) {
final Insets insets = parent.getInsets();
final int ncomponents = parent.getComponentCount();
int w = 0;
int h = 0;
for (int i = 0; i < ncomponents; i++) {
final Component comp = parent.getComponent(i);
if (comp.isVisible()) {
final Dimension d = comp.getPreferredSize();
if (d.width > w) {
w = d.width;
}
if (d.height > h) {
h = d.height;
}
}
}
return new Dimension(insets.left + insets.right + w + getHgap() * 2, insets.top + insets.bottom + h
+ getVgap() * 2);
}
}
}