Projection.java

/*******************************************************************************
 * 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
*******************************************************************************/
package org.rascalmpl.eclipse.library.vis.figure.keys;

import org.rascalmpl.eclipse.library.vis.figure.Figure;
import org.rascalmpl.eclipse.library.vis.figure.combine.LayoutProxy;
import org.rascalmpl.eclipse.library.vis.figure.interaction.MouseOver;
import org.rascalmpl.eclipse.library.vis.properties.PropertyManager;
import org.rascalmpl.eclipse.library.vis.properties.PropertyValue;
import org.rascalmpl.eclipse.library.vis.properties.TwoDProperties;
import org.rascalmpl.eclipse.library.vis.swt.IFigureConstructionEnv;
import org.rascalmpl.eclipse.library.vis.util.NameResolver;
import org.rascalmpl.eclipse.library.vis.util.vector.Dimension;

public class Projection extends LayoutProxy{
	Figure projectFrom;
	Figure projection;
	PropertyValue<String> projectOnId;
	
	public Projection(Figure projectFrom, PropertyValue<String> projectOnId,Figure projection,  PropertyManager properties) {
		super(projectFrom, properties);
		this.projectFrom = projectFrom;
		this.projection = projection;
		this.projectOnId = projectOnId;
	}
	

	@Override
	public boolean initChildren(IFigureConstructionEnv env,
			NameResolver resolver, MouseOver mparent, boolean swtSeen, boolean visible) {
		boolean a =  projectFrom.init(env, resolver,mparent, swtSeen, visible);
		boolean b =  projection.init(env, resolver,mparent, swtSeen, visible);
		return a || b;
	}
	
	public void computeMinSize() {
		super.computeMinSize();
		for(Dimension d: Dimension.HOR_VER){
			minSize.setMax(d,projection.minSize.get(d) / projection.prop.get2DReal(d, TwoDProperties.SHRINK));
		}
	}
	
	@Override
	public void initElem(IFigureConstructionEnv env, MouseOver mparent, boolean swtSeen, boolean visible, NameResolver resolver){
		Figure fig = resolver.resolveFigure(projectOnId.getValue());
		if(fig instanceof Screen){
			Screen hs = (Screen)fig;
			hs.registerProjection(this);
		}
	}
}

//
//import org.rascalmpl.interpreter.IEvaluatorContext;
//import org.rascalmpl.interpreter.utils.RuntimeExceptionFactory;
//import org.rascalmpl.eclipse.library.vis.figure.Figure;
//import org.rascalmpl.eclipse.library.vis.figure.combine.FigureWithNonLocalFigure;
//import org.rascalmpl.eclipse.library.vis.properties.PropertyManager;
//import org.rascalmpl.eclipse.library.vis.swt.IFigureConstructionEnv;
//import org.rascalmpl.eclipse.library.vis.util.NameResolver;
//
//public class Projection extends FigureWithNonLocalFigure {
//
//	String projectOn;
//	IEvaluatorContext ctx;
//	boolean vertical;
//	
//	public Projection(IFigureConstructionEnv env,String projectOn, Figure projection,Figure innerFigure,PropertyManager properties) {
//		super(innerFigure, projection, properties);
//		this.projectOn = projectOn;
//		this.ctx = env.getRascalContext();
//	}
//	
//	
//	public void registerValues(NameResolver resolver){
//		super.registerValues(resolver);
//		Figure fscreen = resolver.resolve(projectOn);
//		if(fscreen instanceof HScreen){
//			HScreen screen = (HScreen) fscreen;
//			screen.registerProjection(this);
//			vertical = screen.isVertical();
//		} else {
//			throw RuntimeExceptionFactory.figureException("Cannot project on non-screen:" + projectOn, ctx.getValueFactory().string(projectOn), ctx.getCurrentAST(),
//					ctx.getStackTrace());
//		}
//	}
//	
//
//	@Override
//	public void bbox() {
//		super.bbox();
//		for(boolean flip : BOTH_DIMENSIONS){
//			if(flip == vertical){
//				minSize.setWidth(flip,Math.max(minSize.getWidth(flip), nonLocalFigure.minSize.getWidth(flip) / nonLocalFigure.getHShrinkProperty(flip)));
//			}
//		}
//	}
//}