org.smallmind.swing.layout.ListLayout Maven / Gradle / Ivy
/*
* Copyright (c) 2007 through 2024 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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 or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* .
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.swing.layout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.LayoutManager;
import java.io.Serializable;
public class ListLayout implements LayoutManager, Serializable {
private final int gap;
public ListLayout () {
this(0);
}
public ListLayout (int gap) {
this.gap = gap;
}
public void addLayoutComponent (String s, Component component) {
}
public void removeLayoutComponent (Component component) {
}
public Dimension preferredLayoutSize (Container container) {
Component component;
Dimension preferredSize;
int height = 0;
int width;
width = container.getWidth() - container.getInsets().left - container.getInsets().right;
synchronized (container.getTreeLock()) {
for (int count = 0; count < container.getComponentCount(); count++) {
component = container.getComponent(count);
if (component.isVisible()) {
preferredSize = component.getPreferredSize();
height += preferredSize.getHeight();
if (count > 0) {
height += gap;
}
}
}
height += container.getInsets().top + container.getInsets().bottom;
return new Dimension(width, height);
}
}
public Dimension minimumLayoutSize (Container container) {
Component component;
Dimension minSize;
int height = 0;
int width;
width = container.getWidth() - container.getInsets().left - container.getInsets().right;
synchronized (container.getTreeLock()) {
for (int count = 0; count < container.getComponentCount(); count++) {
component = container.getComponent(count);
if (component.isVisible()) {
minSize = component.getMinimumSize();
height += minSize.getHeight();
if (count > 0) {
height += gap;
}
}
}
height += container.getInsets().top + container.getInsets().bottom;
return new Dimension(width, height);
}
}
public void layoutContainer (Container container) {
Component component;
Dimension preferredSize;
int width;
int xPos;
int yPos;
width = container.getWidth() - container.getInsets().left - container.getInsets().right;
xPos = container.getInsets().left;
yPos = container.getInsets().top;
synchronized (container.getTreeLock()) {
for (int count = 0; count < container.getComponentCount(); count++) {
component = container.getComponent(count);
if (component.isVisible()) {
preferredSize = component.getPreferredSize();
component.setLocation(xPos, yPos);
component.setSize(width, (int)preferredSize.getHeight());
yPos += (preferredSize.getHeight() + gap);
}
}
}
}
}