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annotate dwtx/draw2d/ArrowButton.d @ 98:95307ad235d9

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Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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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 dwtx.draw2d.ArrowButton;
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14
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15 import dwt.dwthelper.utils;
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16
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17 import dwtx.draw2d.geometry.Insets;
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18 import dwtx.draw2d.Button;
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19 import dwtx.draw2d.Orientable;
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20 import dwtx.draw2d.Triangle;
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21 import dwtx.draw2d.MarginBorder;
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22 import dwtx.draw2d.ColorConstants;
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23
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24 /**
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25 * A Button which displays a triangle pointing in a specified direction. This class is
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26 * used by the {@link ScrollBar} figure.
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27 */
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28 public class ArrowButton
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29 : Button
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30 , Orientable
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31 {
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32
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33 /**
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34 * Constructs a default ArrowButton with the arrow pointing north.
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35 *
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36 * @since 2.0
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37 */
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38 public this() {
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39 createTriangle();
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40 setRequestFocusEnabled(false);
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41 setFocusTraversable(false);
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42 }
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43
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44 /**
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45 * Constructs an ArrowButton with the arrow having the direction given in the input.
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46 * The direction can be one of many directional constants defined in
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47 * {@link PositionConstants}.
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48 *
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49 * @param direction Direction of the arrow
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50 * @since 2.0
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51 */
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52 public this(int direction) {
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53 this();
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54 setDirection(direction);
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55 }
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56
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57 /**
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58 * Contructs a triangle with a black background pointing north, and sets it as the
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59 * contents of the button.
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60 *
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61 * @since 2.0
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62 */
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63 protected void createTriangle() {
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64 Triangle tri = new Triangle();
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65 tri.setOutline(true);
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66 tri.setBackgroundColor(ColorConstants.listForeground);
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67 tri.setForegroundColor(ColorConstants.listForeground);
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68 tri.setBorder(new MarginBorder(new Insets(2)));
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69 setContents(tri);
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70 }
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71
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72 /**
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73 * @see dwtx.draw2d.Orientable#setDirection(int)
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74 */
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75 public void setDirection(int value) {
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76 setChildrenDirection(value);
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77 }
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78
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79 /**
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80 * @see dwtx.draw2d.Orientable#setOrientation(int)
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81 */
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82 public void setOrientation(int value) {
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83 setChildrenOrientation(value);
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84 }
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85
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86 }