annotate dwt/custom/SashForm.d @ 0:380af2bdd8e5

Upload of whole dwt tree
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2007 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 *******************************************************************************/
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11 module dwt.custom;
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12
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13
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14 import dwt.*;
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15 import dwt.widgets.*;
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16 import dwt.graphics.*;
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17
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18 /**
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19 * The SashForm is a composite control that lays out its children in a
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20 * row or column arrangement (as specified by the orientation) and places
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21 * a Sash between each child. One child may be maximized to occupy the
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22 * entire size of the SashForm. The relative sizes of the children may
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23 * be specified using weights.
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24 * <p>
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25 * <dl>
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26 * <dt><b>Styles:</b></dt>
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27 * <dd>HORIZONTAL, VERTICAL, SMOOTH</dd>
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28 * </dl>
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29 * </p>
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30 */
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31 public class SashForm : Composite {
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32
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33 public int SASH_WIDTH = 3;
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34
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35 int sashStyle;
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36 Sash[] sashes = new Sash[0];
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37 // Remember background and foreground
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38 // colors to determine whether to set
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39 // sashes to the default color (null) or
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40 // a specific color
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41 Color background = null;
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42 Color foreground = null;
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43 Control[] controls = new Control[0];
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44 Control maxControl = null;
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45 Listener sashListener;
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46 static final int DRAG_MINIMUM = 20;
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47
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48 /**
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49 * Constructs a new instance of this class given its parent
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50 * and a style value describing its behavior and appearance.
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51 * <p>
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52 * The style value is either one of the style constants defined in
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53 * class <code>DWT</code> which is applicable to instances of this
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54 * class, or must be built by <em>bitwise OR</em>'ing together
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55 * (that is, using the <code>int</code> "|" operator) two or more
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56 * of those <code>DWT</code> style constants. The class description
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57 * lists the style constants that are applicable to the class.
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58 * Style bits are also inherited from superclasses.
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59 * </p>
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60 *
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61 * @param parent a widget which will be the parent of the new instance (cannot be null)
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62 * @param style the style of widget to construct
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63 *
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64 * @exception IllegalArgumentException <ul>
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65 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
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66 * </ul>
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67 * @exception DWTException <ul>
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68 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
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69 * </ul>
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70 *
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71 * @see DWT#HORIZONTAL
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72 * @see DWT#VERTICAL
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73 * @see #getStyle()
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74 */
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75 public SashForm(Composite parent, int style) {
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76 super(parent, checkStyle(style));
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77 super.setLayout(new SashFormLayout());
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78 sashStyle = ((style & DWT.VERTICAL) !is 0) ? DWT.HORIZONTAL : DWT.VERTICAL;
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79 if ((style & DWT.BORDER) !is 0) sashStyle |= DWT.BORDER;
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80 if ((style & DWT.SMOOTH) !is 0) sashStyle |= DWT.SMOOTH;
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81 sashListener = new Listener() {
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82 public void handleEvent(Event e) {
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83 onDragSash(e);
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84 }
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85 };
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86 }
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87 static int checkStyle (int style) {
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88 int mask = DWT.BORDER | DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT;
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89 return style & mask;
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90 }
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91 /**
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92 * Returns DWT.HORIZONTAL if the controls in the SashForm are laid out side by side
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93 * or DWT.VERTICAL if the controls in the SashForm are laid out top to bottom.
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94 *
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95 * @return DWT.HORIZONTAL or DWT.VERTICAL
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96 */
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97 public int getOrientation() {
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98 //checkWidget();
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99 return (sashStyle & DWT.VERTICAL) !is 0 ? DWT.HORIZONTAL : DWT.VERTICAL;
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100 }
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101 /**
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102 * Returns the width of the sashes when the controls in the SashForm are
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103 * laid out.
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104 *
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105 * @return the width of the sashes
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106 *
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107 * @exception DWTException <ul>
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108 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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109 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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110 * </ul>
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111 *
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112 * @since 3.4
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113 */
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114 public int getSashWidth() {
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115 checkWidget();
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116 return SASH_WIDTH;
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117 }
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118 public int getStyle() {
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119 int style = super.getStyle();
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120 style |= getOrientation() is DWT.VERTICAL ? DWT.VERTICAL : DWT.HORIZONTAL;
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121 if ((sashStyle & DWT.SMOOTH) !is 0) style |= DWT.SMOOTH;
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122 return style;
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123 }
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124 /**
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125 * Answer the control that currently is maximized in the SashForm.
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126 * This value may be null.
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parents:
diff changeset
127 *
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parents:
diff changeset
128 * @return the control that currently is maximized or null
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parents:
diff changeset
129 */
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parents:
diff changeset
130 public Control getMaximizedControl(){
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
131 //checkWidget();
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parents:
diff changeset
132 return this.maxControl;
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parents:
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133 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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134 /**
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
135 * Answer the relative weight of each child in the SashForm. The weight represents the
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
136 * percent of the total width (if SashForm has Horizontal orientation) or
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
137 * total height (if SashForm has Vertical orientation) each control occupies.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
138 * The weights are returned in order of the creation of the widgets (weight[0]
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
139 * corresponds to the weight of the first child created).
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
140 *
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
141 * @return the relative weight of each child
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
142 *
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
143 * @exception DWTException <ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
144 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
145 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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parents:
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146 * </ul>
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parents:
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147 */
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parents:
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148
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parents:
diff changeset
149 public int[] getWeights() {
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
150 checkWidget();
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
151 Control[] cArray = getControls(false);
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parents:
diff changeset
152 int[] ratios = new int[cArray.length];
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
153 for (int i = 0; i < cArray.length; i++) {
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parents:
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154 Object data = cArray[i].getLayoutData();
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
155 if (data !is null && data instanceof SashFormData) {
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
156 ratios[i] = (int)(((SashFormData)data).weight * 1000 >> 16);
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parents:
diff changeset
157 } else {
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parents:
diff changeset
158 ratios[i] = 200;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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159 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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160 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
161 return ratios;
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parents:
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162 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
163 Control[] getControls(bool onlyVisible) {
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parents:
diff changeset
164 Control[] children = getChildren();
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
165 Control[] result = new Control[0];
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
166 for (int i = 0; i < children.length; i++) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
167 if (children[i] instanceof Sash) continue;
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parents:
diff changeset
168 if (onlyVisible && !children[i].getVisible()) continue;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
169
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
170 Control[] newResult = new Control[result.length + 1];
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
171 System.arraycopy(result, 0, newResult, 0, result.length);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
172 newResult[result.length] = children[i];
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
173 result = newResult;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
174 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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175 return result;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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176 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
177 void onDragSash(Event event) {
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parents:
diff changeset
178 Sash sash = (Sash)event.widget;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
179 int sashIndex = -1;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
180 for (int i= 0; i < sashes.length; i++) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
181 if (sashes[i] is sash) {
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
182 sashIndex = i;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
183 break;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
184 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
185 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
186 if (sashIndex is -1) return;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
187
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
188 Control c1 = controls[sashIndex];
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
189 Control c2 = controls[sashIndex + 1];
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
190 Rectangle b1 = c1.getBounds();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
191 Rectangle b2 = c2.getBounds();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
192
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
193 Rectangle sashBounds = sash.getBounds();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
194 Rectangle area = getClientArea();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
195 bool correction = false;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
196 if (getOrientation() is DWT.HORIZONTAL) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
197 correction = b1.width < DRAG_MINIMUM || b2.width < DRAG_MINIMUM;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
198 int totalWidth = b2.x + b2.width - b1.x;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
199 int shift = event.x - sashBounds.x;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
200 b1.width += shift;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
201 b2.x += shift;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
202 b2.width -= shift;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
203 if (b1.width < DRAG_MINIMUM) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
204 b1.width = DRAG_MINIMUM;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
205 b2.x = b1.x + b1.width + sashBounds.width;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
206 b2.width = totalWidth - b2.x;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
207 event.x = b1.x + b1.width;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
208 event.doit = false;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
209 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
210 if (b2.width < DRAG_MINIMUM) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
211 b1.width = totalWidth - DRAG_MINIMUM - sashBounds.width;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
212 b2.x = b1.x + b1.width + sashBounds.width;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
213 b2.width = DRAG_MINIMUM;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
214 event.x = b1.x + b1.width;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
215 event.doit = false;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
216 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
217 Object data1 = c1.getLayoutData();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
218 if (data1 is null || !(data1 instanceof SashFormData)) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
219 data1 = new SashFormData();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
220 c1.setLayoutData(data1);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
221 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
222 Object data2 = c2.getLayoutData();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
223 if (data2 is null || !(data2 instanceof SashFormData)) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
224 data2 = new SashFormData();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
225 c2.setLayoutData(data2);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
226 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
227 ((SashFormData)data1).weight = (((long)b1.width << 16) + area.width - 1) / area.width;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
228 ((SashFormData)data2).weight = (((long)b2.width << 16) + area.width - 1) / area.width;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
229 } else {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
230 correction = b1.height < DRAG_MINIMUM || b2.height < DRAG_MINIMUM;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
231 int totalHeight = b2.y + b2.height - b1.y;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
232 int shift = event.y - sashBounds.y;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
233 b1.height += shift;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
234 b2.y += shift;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
235 b2.height -= shift;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
236 if (b1.height < DRAG_MINIMUM) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
237 b1.height = DRAG_MINIMUM;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
238 b2.y = b1.y + b1.height + sashBounds.height;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
239 b2.height = totalHeight - b2.y;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
240 event.y = b1.y + b1.height;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
241 event.doit = false;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
242 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
243 if (b2.height < DRAG_MINIMUM) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
244 b1.height = totalHeight - DRAG_MINIMUM - sashBounds.height;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
245 b2.y = b1.y + b1.height + sashBounds.height;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
246 b2.height = DRAG_MINIMUM;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
247 event.y = b1.y + b1.height;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
248 event.doit = false;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
249 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
250 Object data1 = c1.getLayoutData();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
251 if (data1 is null || !(data1 instanceof SashFormData)) {
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252 data1 = new SashFormData();
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253 c1.setLayoutData(data1);
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254 }
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255 Object data2 = c2.getLayoutData();
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256 if (data2 is null || !(data2 instanceof SashFormData)) {
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257 data2 = new SashFormData();
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258 c2.setLayoutData(data2);
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259 }
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260 ((SashFormData)data1).weight = (((long)b1.height << 16) + area.height - 1) / area.height;
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261 ((SashFormData)data2).weight = (((long)b2.height << 16) + area.height - 1) / area.height;
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262 }
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263 if (correction || (event.doit && event.detail !is DWT.DRAG)) {
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264 c1.setBounds(b1);
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265 sash.setBounds(event.x, event.y, event.width, event.height);
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266 c2.setBounds(b2);
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267 }
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268 }
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269 /**
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270 * If orientation is DWT.HORIZONTAL, lay the controls in the SashForm
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271 * out side by side. If orientation is DWT.VERTICAL, lay the
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272 * controls in the SashForm out top to bottom.
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273 *
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274 * @param orientation DWT.HORIZONTAL or DWT.VERTICAL
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275 *
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276 * @exception DWTException <ul>
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277 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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278 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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279 * <li>ERROR_INVALID_ARGUMENT - if the value of orientation is not DWT.HORIZONTAL or DWT.VERTICAL
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280 * </ul>
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281 */
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282 public void setOrientation(int orientation) {
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283 checkWidget();
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284 if (getOrientation() is orientation) return;
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285 if (orientation !is DWT.HORIZONTAL && orientation !is DWT.VERTICAL) {
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286 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
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287 }
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288 sashStyle &= ~(DWT.HORIZONTAL | DWT.VERTICAL);
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289 sashStyle |= orientation is DWT.VERTICAL ? DWT.HORIZONTAL : DWT.VERTICAL;
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290 for (int i = 0; i < sashes.length; i++) {
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291 sashes[i].dispose();
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292 sashes[i] = new Sash(this, sashStyle);
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293 sashes[i].setBackground(background);
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294 sashes[i].setForeground(foreground);
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295 sashes[i].addListener(DWT.Selection, sashListener);
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296 }
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297 layout(false);
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298 }
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299 public void setBackground (Color color) {
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300 super.setBackground(color);
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301 background = color;
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302 for (int i = 0; i < sashes.length; i++) {
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303 sashes[i].setBackground(background);
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304 }
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305 }
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306 public void setForeground (Color color) {
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307 super.setForeground(color);
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308 foreground = color;
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309 for (int i = 0; i < sashes.length; i++) {
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310 sashes[i].setForeground(foreground);
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311 }
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312 }
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313 /**
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314 * Sets the layout which is associated with the receiver to be
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315 * the argument which may be null.
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parents:
diff changeset
316 * <p>
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317 * Note: No Layout can be set on this Control because it already
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318 * manages the size and position of its children.
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parents:
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319 * </p>
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parents:
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320 *
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321 * @param layout the receiver's new layout or null
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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322 *
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parents:
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323 * @exception DWTException <ul>
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parents:
diff changeset
324 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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parents:
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325 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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326 * </ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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327 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
328 public void setLayout (Layout layout) {
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parents:
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329 checkWidget();
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parents:
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330 return;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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331 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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332 /**
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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333 * Specify the control that should take up the entire client area of the SashForm.
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
334 * If one control has been maximized, and this method is called with a different control,
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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335 * the previous control will be minimized and the new control will be maximized.
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
336 * If the value of control is null, the SashForm will minimize all controls and return to
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parents:
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337 * the default layout where all controls are laid out separated by sashes.
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parents:
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338 *
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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339 * @param control the control to be maximized or null
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parents:
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340 *
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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341 * @exception DWTException <ul>
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parents:
diff changeset
342 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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parents:
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343 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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parents:
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344 * </ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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345 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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diff changeset
346 public void setMaximizedControl(Control control){
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parents:
diff changeset
347 checkWidget();
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diff changeset
348 if (control is null) {
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349 if (maxControl !is null) {
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parents:
diff changeset
350 this.maxControl = null;
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parents:
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351 layout(false);
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
352 for (int i= 0; i < sashes.length; i++){
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diff changeset
353 sashes[i].setVisible(true);
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354 }
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355 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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356 return;
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parents:
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357 }
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358
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diff changeset
359 for (int i= 0; i < sashes.length; i++){
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diff changeset
360 sashes[i].setVisible(false);
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parents:
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361 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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diff changeset
362 maxControl = control;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
363 layout(false);
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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364 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
365
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
366 /**
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
367 * Specify the width of the sashes when the controls in the SashForm are
380af2bdd8e5 Upload of whole dwt tree
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parents:
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368 * laid out.
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
369 *
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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diff changeset
370 * @param width the width of the sashes
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
371 *
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
372 * @exception DWTException <ul>
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parents:
diff changeset
373 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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parents:
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374 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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parents:
diff changeset
375 * </ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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376 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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377 * @since 3.4
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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378 */
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379 public void setSashWidth(int width) {
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380 checkWidget();
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381 if (SASH_WIDTH is width) return;
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382 SASH_WIDTH = width;
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383 layout(false);
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384 }
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385 /**
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386 * Specify the relative weight of each child in the SashForm. This will determine
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387 * what percent of the total width (if SashForm has Horizontal orientation) or
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388 * total height (if SashForm has Vertical orientation) each control will occupy.
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389 * The weights must be positive values and there must be an entry for each
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390 * non-sash child of the SashForm.
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391 *
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392 * @param weights the relative weight of each child
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393 *
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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394 * @exception DWTException <ul>
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395 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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396 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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397 * <li>ERROR_INVALID_ARGUMENT - if the weights value is null or of incorrect length (must match the number of children)</li>
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398 * </ul>
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399 */
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400 public void setWeights(int[] weights) {
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401 checkWidget();
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402 Control[] cArray = getControls(false);
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403 if (weights is null || weights.length !is cArray.length) {
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404 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
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405 }
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406
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407 int total = 0;
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408 for (int i = 0; i < weights.length; i++) {
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409 if (weights[i] < 0) {
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410 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
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411 }
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412 total += weights[i];
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413 }
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414 if (total is 0) {
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415 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
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416 }
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417 for (int i = 0; i < cArray.length; i++) {
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418 Object data = cArray[i].getLayoutData();
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419 if (data is null || !(data instanceof SashFormData)) {
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420 data = new SashFormData();
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421 cArray[i].setLayoutData(data);
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422 }
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423 ((SashFormData)data).weight = (((long)weights[i] << 16) + total - 1) / total;
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424 }
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425
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426 layout(false);
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427 }
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428 }