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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 examples.controlexample.ScaleTab;
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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.SelectionAdapter;
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19 import dwt.events.SelectionEvent;
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20 import dwt.layout.GridData;
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21 import dwt.layout.GridLayout;
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22 import dwt.widgets.Group;
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23 import dwt.widgets.Scale;
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24 import dwt.widgets.Spinner;
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25 import dwt.widgets.Widget;
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26
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27 import examples.controlexample.Tab;
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28 import examples.controlexample.ControlExample;
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29 import examples.controlexample.RangeTab;
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30
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31
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32 class ScaleTab : RangeTab {
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33 /* Example widgets and groups that contain them */
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34 Scale scale1;
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35 Group scaleGroup;
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36
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37 /* Spinner widgets added to the "Control" group */
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38 Spinner incrementSpinner, pageIncrementSpinner;
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39
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40 /**
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41 * Creates the Tab within a given instance of ControlExample.
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42 */
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43 this(ControlExample instance) {
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44 super(instance);
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45 }
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46
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47 /**
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48 * Creates the "Control" widget children.
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49 */
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50 void createControlWidgets () {
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51 super.createControlWidgets ();
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52 createIncrementGroup ();
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53 createPageIncrementGroup ();
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54 }
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55
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56 /**
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57 * Creates the "Example" group.
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58 */
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59 void createExampleGroup () {
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60 super.createExampleGroup ();
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61
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62 /* Create a group for the scale */
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63 scaleGroup = new Group (exampleGroup, DWT.NONE);
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64 scaleGroup.setLayout (new GridLayout ());
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65 scaleGroup.setLayoutData (new GridData (DWT.FILL, DWT.FILL, true, true));
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66 scaleGroup.setText ("Scale");
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67
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68 }
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69
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70 /**
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71 * Creates the "Example" widgets.
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72 */
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73 void createExampleWidgets () {
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74
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75 /* Compute the widget style */
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76 int style = getDefaultStyle();
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77 if (horizontalButton.getSelection ()) style |= DWT.HORIZONTAL;
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78 if (verticalButton.getSelection ()) style |= DWT.VERTICAL;
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79 if (borderButton.getSelection ()) style |= DWT.BORDER;
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80
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81 /* Create the example widgets */
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82 scale1 = new Scale (scaleGroup, style);
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83 }
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84
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85 /**
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86 * Create a group of widgets to control the increment
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87 * attribute of the example widget.
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88 */
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89 void createIncrementGroup() {
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90
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91 /* Create the group */
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92 Group incrementGroup = new Group (controlGroup, DWT.NONE);
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93 incrementGroup.setLayout (new GridLayout ());
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94 incrementGroup.setText (ControlExample.getResourceString("Increment"));
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95 incrementGroup.setLayoutData (new GridData (GridData.FILL_HORIZONTAL));
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96
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97 /* Create the Spinner widget */
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98 incrementSpinner = new Spinner (incrementGroup, DWT.BORDER);
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99 incrementSpinner.setMaximum (100000);
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100 incrementSpinner.setSelection (getDefaultIncrement());
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101 incrementSpinner.setPageIncrement (100);
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102 incrementSpinner.setIncrement (1);
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103 incrementSpinner.setLayoutData (new GridData (DWT.FILL, DWT.CENTER, true, false));
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104
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105 /* Add the listeners */
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106 incrementSpinner.addSelectionListener (new class() SelectionAdapter {
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107 public void widgetSelected (SelectionEvent e) {
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108 setWidgetIncrement ();
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109 }
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110 });
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111 }
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112
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113 /**
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114 * Create a group of widgets to control the page increment
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115 * attribute of the example widget.
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116 */
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117 void createPageIncrementGroup() {
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118
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119 /* Create the group */
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120 Group pageIncrementGroup = new Group (controlGroup, DWT.NONE);
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121 pageIncrementGroup.setLayout (new GridLayout ());
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122 pageIncrementGroup.setText (ControlExample.getResourceString("Page_Increment"));
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123 pageIncrementGroup.setLayoutData (new GridData (GridData.FILL_HORIZONTAL));
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124
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125 /* Create the Spinner widget */
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126 pageIncrementSpinner = new Spinner (pageIncrementGroup, DWT.BORDER);
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127 pageIncrementSpinner.setMaximum (100000);
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128 pageIncrementSpinner.setSelection (getDefaultPageIncrement());
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129 pageIncrementSpinner.setPageIncrement (100);
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130 pageIncrementSpinner.setIncrement (1);
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131 pageIncrementSpinner.setLayoutData (new GridData (DWT.FILL, DWT.CENTER, true, false));
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132
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133 /* Add the listeners */
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134 pageIncrementSpinner.addSelectionListener (new class() SelectionAdapter {
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135 public void widgetSelected (SelectionEvent event) {
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136 setWidgetPageIncrement ();
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137 }
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138 });
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139 }
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140
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141 /**
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142 * Gets the "Example" widget children.
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143 */
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144 Widget [] getExampleWidgets () {
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145 return [ cast(Widget) scale1];
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146 }
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147
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148 /**
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149 * Returns a list of set/get API method names (without the set/get prefix)
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150 * that can be used to set/get values in the example control(s).
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151 */
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152 char[][] getMethodNames() {
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153 return ["Selection", "ToolTipText"];
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154 }
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155
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156 /**
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157 * Gets the text for the tab folder item.
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158 */
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159 char[] getTabText () {
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160 return "Scale";
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161 }
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162
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163 /**
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164 * Sets the state of the "Example" widgets.
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165 */
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166 void setExampleWidgetState () {
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167 super.setExampleWidgetState ();
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168 if (!instance.startup) {
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169 setWidgetIncrement ();
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170 setWidgetPageIncrement ();
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171 }
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172 }
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173
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174 /**
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175 * Gets the default maximum of the "Example" widgets.
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176 */
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177 int getDefaultMaximum () {
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178 return scale1.getMaximum();
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179 }
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180
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181 /**
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182 * Gets the default minimim of the "Example" widgets.
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183 */
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184 int getDefaultMinimum () {
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185 return scale1.getMinimum();
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186 }
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187
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188 /**
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189 * Gets the default selection of the "Example" widgets.
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190 */
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191 int getDefaultSelection () {
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192 return scale1.getSelection();
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193 }
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194
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195 /**
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196 * Gets the default increment of the "Example" widgets.
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197 */
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198 int getDefaultIncrement () {
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199 return scale1.getIncrement();
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200 }
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201
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202 /**
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203 * Gets the default page increment of the "Example" widgets.
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204 */
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205 int getDefaultPageIncrement () {
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206 return scale1.getPageIncrement();
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207 }
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208
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209 /**
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210 * Sets the increment of the "Example" widgets.
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211 */
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212 void setWidgetIncrement () {
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213 scale1.setIncrement (incrementSpinner.getSelection ());
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214 }
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215
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216 /**
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217 * Sets the minimim of the "Example" widgets.
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218 */
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219 void setWidgetMaximum () {
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220 scale1.setMaximum (maximumSpinner.getSelection ());
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221 }
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222
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223 /**
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224 * Sets the minimim of the "Example" widgets.
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225 */
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226 void setWidgetMinimum () {
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227 scale1.setMinimum (minimumSpinner.getSelection ());
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228 }
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229
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230 /**
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231 * Sets the page increment of the "Example" widgets.
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232 */
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233 void setWidgetPageIncrement () {
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234 scale1.setPageIncrement (pageIncrementSpinner.getSelection ());
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235 }
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236
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237 /**
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238 * Sets the selection of the "Example" widgets.
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239 */
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240 void setWidgetSelection () {
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241 scale1.setSelection (selectionSpinner.getSelection ());
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242 }
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243 }
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