| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.gef.examples.logicdesigner.figures; |
| |
| import org.eclipse.draw2d.AbstractConnectionAnchor; |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.draw2d.ScalableFigure; |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.draw2d.geometry.PrecisionPoint; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| |
| public class FixedConnectionAnchor extends AbstractConnectionAnchor { |
| |
| public boolean leftToRight = true; |
| public int offsetH; |
| public int offsetV; |
| public boolean topDown = true; |
| |
| public FixedConnectionAnchor(IFigure owner) { |
| super(owner); |
| } |
| |
| /** |
| * @see org.eclipse.draw2d.AbstractConnectionAnchor#ancestorMoved(IFigure) |
| */ |
| public void ancestorMoved(IFigure figure) { |
| if (figure instanceof ScalableFigure) |
| return; |
| super.ancestorMoved(figure); |
| } |
| |
| public Point getLocation(Point reference) { |
| Rectangle r = getOwner().getBounds(); |
| int x, y; |
| if (topDown) |
| y = r.y + offsetV; |
| else |
| y = r.bottom() - 1 - offsetV; |
| |
| if (leftToRight) |
| x = r.x + offsetH; |
| else |
| x = r.right() - 1 - offsetH; |
| |
| Point p = new PrecisionPoint(x, y); |
| getOwner().translateToAbsolute(p); |
| return p; |
| } |
| |
| public Point getReferencePoint() { |
| return getLocation(null); |
| } |
| |
| /** |
| * @param offsetH |
| * The offsetH to set. |
| */ |
| public void setOffsetH(int offsetH) { |
| this.offsetH = offsetH; |
| fireAnchorMoved(); |
| } |
| |
| /** |
| * @param offsetV |
| * The offsetV to set. |
| */ |
| public void setOffsetV(int offsetV) { |
| this.offsetV = offsetV; |
| fireAnchorMoved(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object o) { |
| if (o instanceof FixedConnectionAnchor) { |
| FixedConnectionAnchor fa = (FixedConnectionAnchor) o; |
| |
| if (fa.leftToRight == this.leftToRight |
| && fa.topDown == this.topDown && fa.offsetH == this.offsetH |
| && fa.offsetV == this.offsetV |
| && fa.getOwner() == this.getOwner()) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.lang.Object#hashCode() |
| */ |
| public int hashCode() { |
| return ((this.leftToRight ? 31 : 0) + (this.topDown ? 37 : 0) |
| + this.offsetH * 43 + this.offsetV * 47) |
| ^ this.getOwner().hashCode(); |
| } |
| |
| } |