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/*******************************************************************************
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* Copyright (c) 2000, 2010 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package org.eclipse.draw2d;
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import org.eclipse.draw2d.geometry.Dimension;
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import org.eclipse.draw2d.geometry.Insets;
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import org.eclipse.draw2d.geometry.Rectangle;
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/**
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* A labeled border intended to house a Figure with a group of children. The
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* label should serve as a description of the group.
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*/
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public class GroupBoxBorder extends AbstractLabeledBorder {
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/**
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* Constructs a GroupBoxBorder with the name of this class as its label.
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*
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* @since 2.0
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*/
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public GroupBoxBorder() {
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}
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/**
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* Constructs a GroupBoxBorder with label s.
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*
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* @param s
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* the label
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* @since 2.0
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*/
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public GroupBoxBorder(String s) {
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super(s);
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}
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/**
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* Calculates and returns the Insets for this GroupBoxBorder.
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*
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* @param figure
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* IFigure on which the calculations should be made. Generally
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* this is the IFigure of which this GroupBoxBorder is
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* surrounding.
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* @return the Insets for this GroupBoxBorder.
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* @since 2.0
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*/
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protected Insets calculateInsets(IFigure figure) {
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int height = getTextExtents(figure).height;
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return new Insets(height);
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}
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/**
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* @see org.eclipse.draw2d.Border#getPreferredSize(IFigure)
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*/
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public Dimension getPreferredSize(IFigure fig) {
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Dimension textSize = getTextExtents(fig);
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return textSize.getCopy().expand(textSize.height * 2, 0);
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}
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/**
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* @see Border#paint(IFigure, Graphics, Insets)
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*/
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public void paint(IFigure figure, Graphics g, Insets insets) {
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tempRect.setBounds(getPaintRectangle(figure, insets));
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Rectangle r = tempRect;
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if (r.isEmpty())
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return;
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Rectangle textLoc = new Rectangle(r.getTopLeft(),
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getTextExtents(figure));
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r.crop(new Insets(getTextExtents(figure).height / 2));
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FigureUtilities.paintEtchedBorder(g, r);
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textLoc.x += getInsets(figure).left;
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g.setFont(getFont(figure));
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g.setForegroundColor(getTextColor());
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g.clipRect(textLoc);
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g.fillText(getLabel(), textLoc.getTopLeft());
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}
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}
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