/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.ui.figures;
import org.eclipse.draw2d.AbstractBorder;
import org.eclipse.draw2d.Border;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.swt.graphics.Color;
/**
* @author Riccardo Solmi
*/
public class PlaceHolderBorder extends AbstractBorder {
public static final Insets EMPTY_INSETS = new Insets();
protected boolean isOptional;
public static Border OPTIONAL = new PlaceHolderBorder(true);
public static Border MANDATORY = new PlaceHolderBorder(false);
protected PlaceHolderBorder(boolean isOptional) {
this.isOptional = isOptional;
}
@Override
public boolean isOpaque() {
return true;
}
public Color getColor() {
return isOptional ? FigureConstants.contentLightColor : FigureConstants.errorsColor;
}
public Insets getInsets(IFigure figure) {
return new Insets(2*insets());
}
protected int insets() {
return isOptional ? 2 : 4;
}
public void paint(IFigure figure, Graphics graphics, Insets insets) {
int i = insets();
tempRect.setBounds(figure.getBounds());
tempRect.x += tempRect.width/2 -i;
tempRect.y += tempRect.height/2 -i;
tempRect.width = tempRect.height = i*2;
graphics.setForegroundColor(getColor());
graphics.drawRectangle(tempRect);
}
}