/*
* StackLayout.java (Market View Java Applet)
* Copyright (C) 1996 Softbear Inc. (info@softbear.com)
*
* 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/


/**
* A layoutManager which stacks components one on top of the other,
* regardless of their size.
*/

public class StackLayout implements java.awt.LayoutManager {

int vgap;

public StackLayout(int vgap) {
this.vgap = vgap;
}

public void addLayoutComponent(java.lang.String name, java.awt.Component comp) {}

public java.awt.Dimension preferredLayoutSize(java.awt.Container parent) {
java.awt.Insets insets = parent.insets();
int ncomponents = parent.countComponents();
int w = 0;
int h = 0;

for (int i = 0 ; i < ncomponents ; i++) {
java.awt.Component comp = parent.getComponent(i);
java.awt.Dimension d = comp.preferredSize();
if (w < d.width) {
w = d.width;
}
h += d.height;
if (i != 0) {
h += this.vgap;
}
}
return new java.awt.Dimension(insets.left + insets.right + w,
insets.top + insets.bottom + h);
}

public void layoutContainer(java.awt.Container parent) {
java.awt.Insets insets = parent.insets();
int x = insets.left;
int y = insets.top;
int w = this.preferredLayoutSize(parent).width;

int ncomponents = parent.countComponents();
for (int i = 0; i < ncomponents; ++i) {
java.awt.Component comp = parent.getComponent(i);
java.awt.Dimension d = comp.preferredSize();
comp.reshape(x, y, w, d.height);
y += (d.height + this.vgap);
}
}

public java.awt.Dimension minimumLayoutSize(java.awt.Container parent) {
return preferredLayoutSize(parent);
}

public void removeLayoutComponent(java.awt.Component comp) {}
}