package net.sf.latexdraw.mapping;
import java.util.List;
import java.util.Objects;
import net.sf.latexdraw.glib.models.interfaces.shape.IShape;
import net.sf.latexdraw.glib.views.Java2D.interfaces.IViewShape;
import net.sf.latexdraw.instruments.Border;
import org.malai.mapping.MappingRegistry;
/**
* This mapping maps the selected shapes of the drawing to the Border instrument that manages
* the corresponding selected views.<br>
* <br>
* This file is part of LaTeXDraw<br>
* Copyright (c) 2005-2014 Arnaud BLOUIN<br>
* <br>
* LaTeXDraw is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.<br>
* <br>
* LaTeXDraw is distributed without any warranty; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.<br>
* <br>
* 10/27/10<br>
* @author Arnaud BLOUIN
* @version 3.0
*/
public class Selection2BorderMapping extends SelectionMapping {
/** The border to update in function of the selection. */
protected Border border;
/**
* Creates the mapping.
* @param selection The list of selected shapes.
* @param border The Border instrument.
* @throws IllegalArgumentException If one of the given parameter is null.
* @since 3.0
*/
public Selection2BorderMapping(final List<IShape> selection, final Border border) {
super(selection);
this.border = Objects.requireNonNull(border);
}
@Override
public Border getTarget() {
return border;
}
@Override
public void onObjectAdded(final Object list, final Object object, final int index) {
final IViewShape view = MappingRegistry.REGISTRY.getTargetFromSource(object, IViewShape.class);
if(view!=null) {
updateActivation(list);
border.add(view);
}
}
@Override
public void onObjectRemoved(final Object list, final Object object, final int index) {
final IViewShape view = MappingRegistry.REGISTRY.getTargetFromSource(object, IViewShape.class);
if(view!=null) {
border.remove(view);
updateActivation(list);
}
}
@Override
public void onListCleaned(final Object list) {
border.clear();
}
@Override
public void clear() {
super.clear();
border = null;
}
/**
* Updates the activation of the border.
* @since 3.0
*/
protected void updateActivation(final Object list) {
if(list instanceof List)
border.setActivated(!((List<?>)list).isEmpty());
}
}