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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 * 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 dwtexamples.controlexample.SashTab;
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14
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15
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16
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17 import dwt.DWT;
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18 import dwt.events.ControlAdapter;
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19 import dwt.events.ControlEvent;
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20 import dwt.events.SelectionAdapter;
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21 import dwt.events.SelectionEvent;
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22 import dwt.graphics.Rectangle;
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23 import dwt.layout.FillLayout;
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24 import dwt.layout.GridData;
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25 import dwt.widgets.Button;
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26 import dwt.widgets.Composite;
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27 import dwt.widgets.Group;
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28 import dwt.widgets.List;
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29 import dwt.widgets.Sash;
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30 import dwt.widgets.Text;
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31 import dwt.widgets.Widget;
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32
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33 import dwtexamples.controlexample.Tab;
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34 import dwtexamples.controlexample.ControlExample;
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35
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36 class SashTab : Tab {
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37 /* Example widgets and groups that contain them */
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38 Sash hSash, vSash;
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39 Composite sashComp;
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40 Group sashGroup;
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41 List list1, list2, list3;
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42 Text text;
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43 Button smoothButton;
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44
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45 static char[] [] ListData0;
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46 static char[] [] ListData1;
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47
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48 /* Constants */
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49 static final int SASH_WIDTH = 3;
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50 static final int SASH_LIMIT = 20;
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51
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52 /**
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53 * Creates the Tab within a given instance of ControlExample.
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54 */
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55 this(ControlExample instance) {
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56 super(instance);
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57 if( ListData0.length is 0 ){
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58 ListData0 = [
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59 ControlExample.getResourceString("ListData0_0"),
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60 ControlExample.getResourceString("ListData0_1"),
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61 ControlExample.getResourceString("ListData0_2"),
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62 ControlExample.getResourceString("ListData0_3"),
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63 ControlExample.getResourceString("ListData0_4"),
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64 ControlExample.getResourceString("ListData0_5"),
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65 ControlExample.getResourceString("ListData0_6"),
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66 ControlExample.getResourceString("ListData0_7"),
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67 ControlExample.getResourceString("ListData0_8")];
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68 }
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69 if( ListData1.length is 0 ){
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70 ListData1 = [
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71 ControlExample.getResourceString("ListData1_0"),
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72 ControlExample.getResourceString("ListData1_1"),
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73 ControlExample.getResourceString("ListData1_2"),
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74 ControlExample.getResourceString("ListData1_3"),
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75 ControlExample.getResourceString("ListData1_4"),
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76 ControlExample.getResourceString("ListData1_5"),
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77 ControlExample.getResourceString("ListData1_6"),
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78 ControlExample.getResourceString("ListData1_7"),
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79 ControlExample.getResourceString("ListData1_8")];
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80 }
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81 }
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82
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83 /**
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84 * Creates the "Example" group.
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85 */
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86 void createExampleGroup () {
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87 super.createExampleGroup ();
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88 exampleGroup.setLayoutData (new GridData (DWT.FILL, DWT.FILL, true, true));
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89 exampleGroup.setLayout(new FillLayout());
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90
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91 /* Create a group for the sash widgets */
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92 sashGroup = new Group (exampleGroup, DWT.NONE);
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93 FillLayout layout = new FillLayout();
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94 layout.marginHeight = layout.marginWidth = 5;
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95 sashGroup.setLayout(layout);
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96 sashGroup.setText ("Sash");
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97 }
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98
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99 /**
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100 * Creates the "Example" widgets.
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101 */
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102 void createExampleWidgets () {
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103 /*
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104 * Create the page. This example does not use layouts.
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105 */
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106 sashComp = new Composite(sashGroup, DWT.BORDER);
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107
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108 /* Create the list and text widgets */
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109 list1 = new List (sashComp, DWT.V_SCROLL | DWT.H_SCROLL | DWT.BORDER);
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110 list1.setItems (ListData0);
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111 list2 = new List (sashComp, DWT.V_SCROLL | DWT.H_SCROLL | DWT.BORDER);
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112 list2.setItems (ListData1);
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113 text = new Text (sashComp, DWT.MULTI | DWT.BORDER);
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114 text.setText (ControlExample.getResourceString("Multi_line"));
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115
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116 /* Create the sashes */
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117 int style = getDefaultStyle();
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118 if (smoothButton.getSelection()) style |= DWT.SMOOTH;
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119 vSash = new Sash (sashComp, DWT.VERTICAL | style);
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120 hSash = new Sash (sashComp, DWT.HORIZONTAL | style);
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121
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122 /* Add the listeners */
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123 hSash.addSelectionListener (new class() SelectionAdapter {
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124 public void widgetSelected (SelectionEvent event) {
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125 Rectangle rect = vSash.getParent().getClientArea();
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126 event.y = Math.min (Math.max (event.y, SASH_LIMIT), rect.height - SASH_LIMIT);
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127 if (event.detail !is DWT.DRAG) {
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128 hSash.setBounds (event.x, event.y, event.width, event.height);
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129 layout ();
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130 }
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131 }
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132 });
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133 vSash.addSelectionListener (new class() SelectionAdapter {
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134 public void widgetSelected (SelectionEvent event) {
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135 Rectangle rect = vSash.getParent().getClientArea();
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136 event.x = Math.min (Math.max (event.x, SASH_LIMIT), rect.width - SASH_LIMIT);
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137 if (event.detail !is DWT.DRAG) {
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138 vSash.setBounds (event.x, event.y, event.width, event.height);
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139 layout ();
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140 }
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141 }
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142 });
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143 sashComp.addControlListener (new class() ControlAdapter {
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144 public void controlResized (ControlEvent event) {
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145 resized ();
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146 }
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147 });
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148 }
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149
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150 /**
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151 * Creates the "Size" group. The "Size" group contains
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152 * controls that allow the user to change the size of
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153 * the example widgets.
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154 */
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155 void createSizeGroup () {
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156 }
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157
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158 /**
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159 * Creates the "Style" group.
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160 */
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161 void createStyleGroup() {
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162 super.createStyleGroup ();
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163
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164 /* Create the extra widgets */
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165 smoothButton = new Button (styleGroup, DWT.CHECK);
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166 smoothButton.setText("DWT.SMOOTH");
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167 }
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168
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169 void disposeExampleWidgets () {
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170 sashComp.dispose();
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171 sashComp = null;
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172 }
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173
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174 /**
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175 * Gets the "Example" widget children.
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176 */
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177 Widget [] getExampleWidgets () {
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178 return [ cast(Widget) hSash, vSash ];
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179 }
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180
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181 /**
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182 * Returns a list of set/get API method names (without the set/get prefix)
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183 * that can be used to set/get values in the example control(s).
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184 */
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185 char[][] getMethodNames() {
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186 return ["ToolTipText"];
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187 }
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188
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189 /**
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190 * Gets the text for the tab folder item.
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191 */
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192 char[] getTabText () {
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193 return "Sash";
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194 }
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195
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196 /**
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197 * Layout the list and text widgets according to the new
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198 * positions of the sashes..events.SelectionEvent
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199 */
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200 void layout () {
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201
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202 Rectangle clientArea = sashComp.getClientArea ();
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203 Rectangle hSashBounds = hSash.getBounds ();
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204 Rectangle vSashBounds = vSash.getBounds ();
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205
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206 list1.setBounds (0, 0, vSashBounds.x, hSashBounds.y);
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207 list2.setBounds (vSashBounds.x + vSashBounds.width, 0, clientArea.width - (vSashBounds.x + vSashBounds.width), hSashBounds.y);
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208 text.setBounds (0, hSashBounds.y + hSashBounds.height, clientArea.width, clientArea.height - (hSashBounds.y + hSashBounds.height));
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209
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210 /**
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211 * If the horizontal sash has been moved then the vertical
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212 * sash is either too long or too short and its size must
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213 * be adjusted.
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214 */
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215 vSashBounds.height = hSashBounds.y;
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216 vSash.setBounds (vSashBounds);
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217 }
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218 /**
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219 * Sets the size of the "Example" widgets.
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220 */
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221 void setExampleWidgetSize () {
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222 sashGroup.layout (true);
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223 }
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224
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225 /**
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226 * Sets the state of the "Example" widgets.
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227 */
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228 void setExampleWidgetState () {
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229 super.setExampleWidgetState ();
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230 smoothButton.setSelection ((hSash.getStyle () & DWT.SMOOTH) !is 0);
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231 }
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232
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233 /**
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234 * Handle the shell resized event.
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235 */
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236 void resized () {
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237
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238 /* Get the client area for the shell */
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239 Rectangle clientArea = sashComp.getClientArea ();
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240
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241 /*
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242 * Make list 1 half the width and half the height of the tab leaving room for the sash.
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243 * Place list 1 in the top left quadrant of the tab.
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244 */
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245 Rectangle list1Bounds = new Rectangle (0, 0, (clientArea.width - SASH_WIDTH) / 2, (clientArea.height - SASH_WIDTH) / 2);
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246 list1.setBounds (list1Bounds);
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247
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248 /*
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249 * Make list 2 half the width and half the height of the tab leaving room for the sash.
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250 * Place list 2 in the top right quadrant of the tab.
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251 */
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252 list2.setBounds (list1Bounds.width + SASH_WIDTH, 0, clientArea.width - (list1Bounds.width + SASH_WIDTH), list1Bounds.height);
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253
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254 /*
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255 * Make the text area the full width and half the height of the tab leaving room for the sash.
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256 * Place the text area in the bottom half of the tab.
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257 */
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258 text.setBounds (0, list1Bounds.height + SASH_WIDTH, clientArea.width, clientArea.height - (list1Bounds.height + SASH_WIDTH));
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259
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260 /* Position the sashes */
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261 vSash.setBounds (list1Bounds.width, 0, SASH_WIDTH, list1Bounds.height);
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262 hSash.setBounds (0, list1Bounds.height, clientArea.width, SASH_WIDTH);
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263 }
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264 }
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