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annotate org.eclipse.draw2d/src/org/eclipse/draw2d/LayeredPane.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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children dbfb303e8fb0
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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.LayeredPane;
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14
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15 import java.lang.all;
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16 import org.eclipse.draw2d.Layer;
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17 import org.eclipse.draw2d.IFigure;
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18 import org.eclipse.draw2d.StackLayout;
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19
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20 /**
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21 * A figure capable of holding any number of layers. Only layers can be added to this
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22 * figure. Layers are added to this figure with thier respective keys, which are used to
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23 * identify them.
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24 */
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25 public class LayeredPane
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26 : Layer
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27 {
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28
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29 private List layerKeys;
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30
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31 /**
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32 * Constructs a new layered pane with no layers in it.
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33 */
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34 public this() {
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35 layerKeys = new ArrayList();
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36 setLayoutManager(new StackLayout());
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37 }
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38
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39 /**
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40 * Adds the given layer figure, identifiable with the given key, at the specified index.
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41 * While adding the layer, it informs the surrounding layers of the addition.
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42 *
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43 * @param figure the layer
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44 * @param layerKey the layer's key
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45 * @param index the index where the layer should be added
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46 * @since 2.0
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47 */
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48 public void add(IFigure figure, Object layerKey, int index) {
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49 if (index is -1)
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50 index = layerKeys.size();
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51 super.add(figure, null, index);
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52 layerKeys.add(index, layerKey);
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53 }
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54
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55 /**
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56 * Adds the given layer, identifiable with the given key, under the <i>after</i> layer
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57 * provided in the input.
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58 *
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59 * @param layer the layer
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60 * @param key the layer's key
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61 * @param after the layer under which the input layer should be added
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62 * @since 2.0
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63 */
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64 public void addLayerAfter(Layer layer, Object key, Object after) {
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65 int index = layerKeys.indexOf(after);
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66 add(layer, key, ++index);
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67 }
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68
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69 /**
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70 * Adds the given layer, identifiable with the given key, above the <i>before</i> layer
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71 * provided in the input.
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72 *
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73 * @param layer the layer
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74 * @param key the layer's key
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75 * @param before the layer above which the input layer should be added
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76 * @since 2.0
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77 */
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78 public void addLayerBefore(Layer layer, Object key, Object before) {
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79 int index = layerKeys.indexOf(before);
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80 add(layer, key, index);
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81 }
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82
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83 /**
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84 * Returns the layer identified by the key given in the input.
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85 *
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86 * @param key the key to identify the desired layer
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87 * @return the desired layer
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88 * @since 2.0
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89 */
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90 public Layer getLayer(Object key) {
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91 int index = layerKeys.indexOf(key);
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92 if (index is -1)
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93 return null;
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94 return cast(Layer)getChildren().get(index);
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95 }
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96
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97 /**
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98 * Returns the layer at the specified index in this pane.
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99 *
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100 * @param index the index of the desired layer
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101 * @return the desired layer
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102 * @since 2.0
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103 */
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104 protected Layer getLayer(int index) {
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105 return cast(Layer)getChildren().get(index);
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106 }
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107
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108 /**
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109 * @see org.eclipse.draw2d.IFigure#remove(org.eclipse.draw2d.IFigure)
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110 */
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111 public void remove(IFigure figure) {
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112 int index = getChildren().indexOf(cast(Object)figure);
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113 if (index !is -1)
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114 layerKeys.remove(index);
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115 super.remove(figure);
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116 }
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117
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118 /**
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119 * Removes the layer identified by the given key from this layered pane.
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120 *
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121 * @param key the key of the layer to be removed
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122 * @since 2.0
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123 */
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124 public void removeLayer(Object key) {
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125 removeLayer(layerKeys.indexOf(key));
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126 }
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127
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128 /**
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129 * Removes the given layer from this layered pane.
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130 *
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131 * @deprecated call {@link IFigure#remove(IFigure)} instead
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132 * @param layer the layer to be removed
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133 * @since 2.0
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134 */
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135 public void removeLayer(IFigure layer) {
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136 remove(layer);
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137 }
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138
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139 /**
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140 * Removes the layer at the specified index from the list of layers in this layered pane.
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141 * It collapses the layers, occupying the space vacated by the removed layer.
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142 *
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143 * @param index the index of the layer to be removed
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144 * @since 2.0
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145 */
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146 protected void removeLayer(int index) {
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diff changeset
147 Layer removeLayer = getLayer(index);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
148 remove(removeLayer);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
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149 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
150
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
151 }