| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2006 IBM Corporation and others. |
| // 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: |
| // IBM Corporation - initial implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.authoring.gef.figures; |
| |
| import org.eclipse.draw2d.ColorConstants; |
| import org.eclipse.draw2d.Graphics; |
| import org.eclipse.draw2d.Label; |
| import org.eclipse.draw2d.geometry.Insets; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| |
| /** |
| * A customized Label for selection. Primary selection is denoted by highlight |
| * and focus rectangle. Normal selection is denoted by highlight only. |
| * |
| * @author Phong Nguyen Le |
| * @since 1.0 |
| */ |
| public class SelectableLabel extends Label { |
| |
| private boolean selected; |
| |
| private boolean hasFocus; |
| |
| private Rectangle getSelectionRectangle() { |
| Rectangle bounds = getTextBounds(); |
| bounds.expand(new Insets(2, 2, 0, 0)); |
| translateToParent(bounds); |
| bounds.intersect(getBounds()); |
| return bounds; |
| } |
| |
| /** |
| * @see org.eclipse.draw2d.Label#paintFigure(Graphics) |
| */ |
| protected void paintFigure(Graphics graphics) { |
| if (selected) { |
| graphics.pushState(); |
| graphics.setBackgroundColor(ColorConstants.menuBackgroundSelected); |
| graphics.fillRectangle(getSelectionRectangle()); |
| graphics.popState(); |
| graphics.setForegroundColor(ColorConstants.white); |
| } |
| if (hasFocus) { |
| graphics.pushState(); |
| graphics.setXORMode(true); |
| graphics.setForegroundColor(ColorConstants.menuBackgroundSelected); |
| graphics.setBackgroundColor(ColorConstants.white); |
| graphics.drawFocus(getSelectionRectangle().resize(-1, -1)); |
| graphics.popState(); |
| } |
| super.paintFigure(graphics); |
| } |
| |
| /** |
| * Sets the selection state of this SimpleActivityLabel |
| * |
| * @param b |
| * true will cause the label to appear selected |
| */ |
| public void setSelected(boolean b) { |
| selected = b; |
| repaint(); |
| } |
| |
| /** |
| * Sets the focus state of this SimpleActivityLabel |
| * |
| * @param b |
| * true will cause a focus rectangle to be drawn around the text |
| * of the Label |
| */ |
| public void setFocus(boolean b) { |
| hasFocus = b; |
| repaint(); |
| } |
| |
| } |