/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 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
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* 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.nutsnbolts.layout;
import java.util.Iterator;
import java.util.LinkedList;
public abstract class Box<B extends Box<B>> {
private ParaboxLayout layout;
private LinkedList<ParaboxElement<?>> elements = new LinkedList<ParaboxElement<?>>();
private Class<B> managedClass;
protected Box (Class<B> managedClass, ParaboxLayout layout) {
this.managedClass = managedClass;
this.layout = layout;
}
protected abstract void doLayout (Bias bias, double containerPosition, double containerMeasurement, LayoutTailor tailor);
public abstract double calculateMinimumMeasurement (Bias bias, LayoutTailor tailor);
public abstract double calculatePreferredMeasurement (Bias bias, LayoutTailor tailor);
public abstract double calculateMaximumMeasurement (Bias bias, LayoutTailor tailor);
protected ParaboxLayout getLayout () {
return layout;
}
protected LinkedList<ParaboxElement<?>> getElements () {
return elements;
}
public synchronized <C> B add (C component) {
add(component, Constraint.immutable());
return managedClass.cast(this);
}
public synchronized B add (Object component, Constraint constraint) {
layout.getContainer().nativelyAddComponent(component);
elements.add(layout.getContainer().constructElement(component, constraint));
return managedClass.cast(this);
}
public synchronized B add (Box<?> box) {
add(box, Constraint.stretch());
return managedClass.cast(this);
}
public synchronized B add (Box<?> box, Constraint constraint) {
elements.add(new BoxParaboxElement(box, constraint));
return managedClass.cast(this);
}
public synchronized void removeAll () {
Iterator<ParaboxElement<?>> elementIter = elements.iterator();
while (elementIter.hasNext()) {
ParaboxElement<?> element = elementIter.next();
if (element.isNativeComponent()) {
layout.getContainer().nativelyRemoveComponent(element.getPart());
}
else {
((Box)element.getPart()).removeAll();
}
elementIter.remove();
}
}
public boolean remove (Object component) {
Iterator<ParaboxElement<?>> elementIter = elements.iterator();
while (elementIter.hasNext()) {
ParaboxElement<?> element = elementIter.next();
if (element.isNativeComponent()) {
if (element.getPart().equals(component)) {
layout.getContainer().nativelyRemoveComponent(component);
elementIter.remove();
return true;
}
}
else {
if (element.getPart().equals(component)) {
((Box)element.getPart()).removeAll();
elementIter.remove();
return true;
}
else if (((Box)element.getPart()).remove(component)) {
return true;
}
}
}
return false;
}
}