| /******************************************************************************* |
| * Copyright (c) 2001, 2008 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 API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xsd.ui.internal.adt.design.editparts; |
| |
| import org.eclipse.draw2d.ColorConstants; |
| import org.eclipse.draw2d.ConnectionRouter; |
| import org.eclipse.draw2d.Graphics; |
| import org.eclipse.draw2d.ManhattanConnectionRouter; |
| import org.eclipse.draw2d.PolygonDecoration; |
| import org.eclipse.draw2d.PolylineConnection; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.widgets.Display; |
| |
| public class TypeReferenceConnection extends PolylineConnection |
| { |
| protected boolean highlight = false; |
| protected static final Color activeConnection = ColorConstants.black; |
| protected static final Color inactiveConnection = new Color(null, 198, 195, 198); |
| |
| /** |
| * Default constructor |
| */ |
| public TypeReferenceConnection() |
| { |
| super(); |
| setTargetDecoration(new PolygonDecoration()); |
| } |
| |
| public TypeReferenceConnection(boolean fill) |
| { |
| super(); |
| PolygonDecoration dec = new PolygonDecoration() |
| { |
| protected void fillShape(Graphics g) |
| { |
| try |
| { |
| g.pushState(); |
| g.setBackgroundColor(ColorConstants.white); |
| super.fillShape(g); |
| } |
| finally |
| { |
| g.popState(); |
| } |
| } |
| |
| }; |
| dec.setFill(fill); |
| dec.setTemplate(PolygonDecoration.TRIANGLE_TIP); |
| dec.setScale(14,6); |
| setTargetDecoration(dec); |
| } |
| |
| |
| public void setConnectionRouter(ConnectionRouter cr) |
| { |
| if (cr != null && getConnectionRouter() != null && !(getConnectionRouter() instanceof ManhattanConnectionRouter)) |
| super.setConnectionRouter(cr); |
| } |
| |
| /** |
| * @return Returns the current highlight status. |
| */ |
| public boolean isHighlighted() |
| { |
| return highlight; |
| } |
| |
| /** |
| * @param highlight |
| * The highlight to set. |
| */ |
| public void setHighlight(boolean highlight) |
| { |
| this.highlight = highlight; |
| // Update our connection to use the correct colouring |
| boolean highContrast = false; |
| try |
| { |
| highContrast = Display.getDefault().getHighContrast(); |
| } |
| catch (Exception e) |
| { |
| } |
| if (highContrast) |
| { |
| setForegroundColor(highlight ? Display.getDefault().getSystemColor(SWT.COLOR_WIDGET_FOREGROUND) : ColorConstants.lightGray); |
| } |
| else |
| { |
| setForegroundColor(highlight ? activeConnection : inactiveConnection); |
| } |
| setOpaque(highlight); |
| } |
| } |