/*
* 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.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.smallmind.nutsnbolts.lang.UnknownSwitchCaseException;
public class LayoutTailor {
private HashMap<Sizing, Double> measurementMap = new HashMap<Sizing, Double>();
private HashMap<Object, PartialSolution> solutionMap = new HashMap<Object, PartialSolution>();
private HashSet<Object> completedSet = new HashSet<Object>();
public LayoutTailor (List<?> componentList) {
for (Object component : componentList) {
solutionMap.put(component, null);
}
}
public void store (Object part, Bias bias, TapeMeasure tapeMeasure, double measurement) {
measurementMap.put(new Sizing(part, bias, tapeMeasure), measurement);
}
public Double lookup (Object part, Bias bias, TapeMeasure tapeMeasure) {
return measurementMap.get(new Sizing(part, bias, tapeMeasure));
}
public void applyLayout (Bias bias, double position, double measurement, ParaboxElement<?> element) {
switch (element.getDimensionality()) {
case LINE:
if (completedSet.contains(element.getPart())) {
throw new LayoutException("No layout box may be added to more than a single parent (do not store or otherwise re-use boxes)");
}
((LinearPart)element).applyLayout(bias, position, measurement, this);
completedSet.add(element.getPart());
break;
case PLANE:
PartialSolution partialSolution;
if (completedSet.contains(element.getPart())) {
throw new LayoutException("The layout component (%s) must be added to a single horizontal and a single vertical box, and no more", element.getPart());
}
if ((partialSolution = solutionMap.remove(element.getPart())) == null) {
solutionMap.put(element.getPart(), new PartialSolution(bias, position, measurement));
}
else if (partialSolution.getBias().equals(bias)) {
throw new LayoutException("The layout component (%s) must be added to a single horizontal and a single vertical box, and no more", element.getPart());
}
else {
switch (bias) {
case HORIZONTAL:
((PlanarPart)element).applyLayout(new Pair(position, partialSolution.getPosition()), new Pair(measurement, partialSolution.getMeasurement()));
break;
case VERTICAL:
((PlanarPart)element).applyLayout(new Pair(partialSolution.getPosition(), position), new Pair(partialSolution.getMeasurement(), measurement));
break;
default:
throw new UnknownSwitchCaseException(bias.name());
}
completedSet.add(element.getPart());
}
break;
default:
throw new UnknownSwitchCaseException(element.getDimensionality().name());
}
}
public void cleanup () {
if (!solutionMap.isEmpty()) {
Iterator<Map.Entry<Object, PartialSolution>> solutionEntryIter = solutionMap.entrySet().iterator();
if (solutionEntryIter.hasNext()) {
Map.Entry<Object, PartialSolution> solutionEntry = solutionEntryIter.next();
if (solutionEntry.getValue() == null) {
throw new LayoutException("The layout component (%s) must be added to a single horizontal and a single vertical box", solutionEntry.getKey());
}
else {
throw new LayoutException("The layout component (%s) was only added to a %s box, and must be constrained in both directions", solutionEntry.getKey(), solutionEntry.getValue().getBias());
}
}
}
}
}