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annotate org.eclipse.draw2d/src/org/eclipse/draw2d/ArrowLocator.d @ 104:88652073d1c2
More work on icu
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 02 May 2009 11:27:24 +0200 |
parents | bc29606a740c |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2005 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 * Port to the D programming language: |
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11 * Frank Benoit <benoit@tionex.de> |
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12 *******************************************************************************/ |
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13 module org.eclipse.draw2d.ArrowLocator; |
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14 |
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15 import java.lang.all; |
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16 |
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17 import org.eclipse.draw2d.geometry.PointList; |
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18 import org.eclipse.draw2d.ConnectionLocator; |
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19 import org.eclipse.draw2d.IFigure; |
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20 import org.eclipse.draw2d.Connection; |
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21 import org.eclipse.draw2d.RotatableDecoration; |
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22 |
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23 /** |
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24 * Locator used to place a {@link RotatableDecoration} on a {@link Connection}. The |
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25 * decoration can be placed at the source or target end of the connection figure. The |
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26 * default connection implementation uses a {@link DelegatingLayout} which requires |
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27 * locators. |
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28 */ |
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29 public class ArrowLocator : ConnectionLocator { |
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30 |
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31 /** |
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32 * Constructs an ArrowLocator associated with passed connection and tip location (either |
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33 * {@link ConnectionLocator#SOURCE} or {@link ConnectionLocator#TARGET}). |
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34 * |
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35 * @param connection The connection associated with the locator |
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36 * @param location Location of the arrow decoration |
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37 * @since 2.0 |
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38 */ |
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39 public this(Connection connection, int location) { |
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40 super(connection, location); |
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41 } |
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42 |
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43 /** |
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44 * Relocates the passed in figure (which must be a {@link RotatableDecoration}) at either |
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45 * the start or end of the connection. |
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46 * @param target The RotatableDecoration to relocate |
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47 */ |
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48 public void relocate(IFigure target) { |
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49 PointList points = getConnection().getPoints(); |
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50 RotatableDecoration arrow = cast(RotatableDecoration)target; |
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51 arrow.setLocation(getLocation(points)); |
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52 |
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53 if (getAlignment() is SOURCE) |
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54 arrow.setReferencePoint(points.getPoint(1)); |
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55 else if (getAlignment() is TARGET) |
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56 arrow.setReferencePoint(points.getPoint(points.size() - 2)); |
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57 } |
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58 |
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59 } |