/*******************************************************************************
* Copyright (c) 2009-2013 CWI
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* * Paul Klint - Paul.Klint@cwi.nl - CWI
*******************************************************************************/
package org.rascalmpl.library.vis.figure.compose;
import static org.rascalmpl.library.vis.properties.Properties.JUSTIFY;
import static org.rascalmpl.library.vis.properties.TwoDProperties.ALIGN;
import org.rascalmpl.library.vis.figure.Figure;
import org.rascalmpl.library.vis.properties.Properties;
import org.rascalmpl.library.vis.properties.PropertyManager;
import org.rascalmpl.library.vis.properties.TwoDProperties;
import org.rascalmpl.library.vis.util.vector.Dimension;
import org.rascalmpl.library.vis.util.vector.Rectangle;
/**
* HVCat elements on consecutive rows. Width is determined by the width property, height is
* determined by the number and size of the elements. This is similar to aligning words in
* a text but is opposed to composition in a grid, where the elements are placed on fixed
* grid positions.
*
* @author paulk
*
*/
// A HVCat is always wrapped in an WidthDependsOnHeightWrapper figure
public class HVCat extends WidthDependsOnHeight{
static boolean debug = false;
public HVCat(Dimension major,Figure[] figures, PropertyManager properties) {
super(major,figures, properties);
}
@Override
public void resizeElement(Rectangle view) {
if(size.get(major) < minSize.get(major)) {
System.err.printf("Cannot ever fit! %s %s\n",size,minSize);
return;
}
double majorSize = size.get(major);
double y = 0;
for(int i = 0 ; i < children.length ; ){
double majorSizeLeft = majorSize;
double majorSizeLeftExcludingGaps = majorSize;
double maxMinor = 0;
int startOfRow = i;
while(i < children.length && majorSizeLeft >= children[i].minSize.get(major)){
majorSizeLeftExcludingGaps-= children[i].minSize.get(major);
majorSizeLeft-= children[i].minSize.get(major) + prop.get2DReal(major, TwoDProperties.GAP);
maxMinor = Math.max(maxMinor,children[i].minSize.get(minor));
i++;
}
int endOfRow = i ;
double gap = prop.get2DReal(major, TwoDProperties.GAP);
int nrOfGaps = endOfRow - startOfRow -1;
double x = 0;
if(prop.getBool(JUSTIFY)){
gap = majorSizeLeftExcludingGaps / (double)nrOfGaps;
} else {
x = (majorSizeLeftExcludingGaps - (nrOfGaps * gap)) * prop.getReal(Properties.INNER_ALIGN);
}
for(int j = startOfRow ; j < endOfRow ; j++){
Figure child = children[j];
child.size.set(child.minSize);
child.localLocation.set(major, x);
child.localLocation.set(minor, y + ( (maxMinor - child.minSize.get(minor)) * prop.get2DReal(minor,ALIGN)));
x+= child.minSize.get(major) + gap;
}
y+=maxMinor + prop.get2DReal(minor, TwoDProperties.GAP);
}
size.setMax(minor,y);
realSize.set(size);
}
}