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annotate org.eclipse.jface/src/org/eclipse/jface/preference/IntegerFieldEditor.d @ 20:dccb717aa902

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Remove more tango imports
author Frank Benoit <benoit@tionex.de>
date Wed, 18 Mar 2009 12:10:17 +0100
parents bc29606a740c
children
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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 * <sgandon@nds.com> - Fix for bug 109389 - IntegerFieldEditor
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11 * does not fire property change all the time
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12 * Port to the D programming language:
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13 * Frank Benoit <benoit@tionex.de>
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14 *******************************************************************************/
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15 module org.eclipse.jface.preference.IntegerFieldEditor;
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16
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17 import org.eclipse.jface.preference.StringFieldEditor;
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18
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19 import org.eclipse.swt.widgets.Composite;
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20 import org.eclipse.swt.widgets.Text;
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21 import org.eclipse.jface.resource.JFaceResources;
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22
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23 import java.lang.all;
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24 import java.util.Set;
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25
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26 /**
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27 * A field editor for an integer type preference.
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28 */
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29 public class IntegerFieldEditor : StringFieldEditor {
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30 private int minValidValue = 0;
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31
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32 private int maxValidValue = int.max;
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33
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34 private static const int DEFAULT_TEXT_LIMIT = 10;
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35
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36 /**
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37 * Creates a new integer field editor
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38 */
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39 protected this() {
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40 }
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41
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42 /**
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43 * Creates an integer field editor.
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44 *
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45 * @param name the name of the preference this field editor works on
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46 * @param labelText the label text of the field editor
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47 * @param parent the parent of the field editor's control
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48 */
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49 public this(String name, String labelText, Composite parent) {
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50 this(name, labelText, parent, DEFAULT_TEXT_LIMIT);
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51 }
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52
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53 /**
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54 * Creates an integer field editor.
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55 *
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56 * @param name the name of the preference this field editor works on
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57 * @param labelText the label text of the field editor
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58 * @param parent the parent of the field editor's control
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59 * @param textLimit the maximum number of characters in the text.
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60 */
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61 public this(String name, String labelText, Composite parent,
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62 int textLimit) {
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63 init(name, labelText);
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64 setTextLimit(textLimit);
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65 setEmptyStringAllowed(false);
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66 setErrorMessage(JFaceResources
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67 .getString("IntegerFieldEditor.errorMessage"));//$NON-NLS-1$
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68 createControl(parent);
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69 }
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70
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71 /**
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72 * Sets the range of valid values for this field.
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73 *
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74 * @param min the minimum allowed value (inclusive)
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75 * @param max the maximum allowed value (inclusive)
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76 */
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77 public void setValidRange(int min, int max) {
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78 minValidValue = min;
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79 maxValidValue = max;
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80 setErrorMessage(JFaceResources.format(
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81 "IntegerFieldEditor.errorMessageRange", //$NON-NLS-1$
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82 min, max ));
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83 }
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84
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85 /* (non-Javadoc)
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86 * Method declared on StringFieldEditor.
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87 * Checks whether the entered String is a valid integer or not.
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88 */
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89 protected override bool checkState() {
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90
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91 Text text = getTextControl();
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92
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93 if (text is null) {
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94 return false;
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95 }
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96
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97 String numberString = text.getText();
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98 try {
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99 int number = Integer.valueOf(numberString).intValue();
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100 if (number >= minValidValue && number <= maxValidValue) {
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101 clearErrorMessage();
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102 return true;
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103 }
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104
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105 showErrorMessage();
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106 return false;
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107
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108 } catch (NumberFormatException e1) {
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109 showErrorMessage();
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110 }
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111
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112 return false;
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113 }
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114
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115 /* (non-Javadoc)
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116 * Method declared on FieldEditor.
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117 */
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118 protected override void doLoad() {
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119 Text text = getTextControl();
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120 if (text !is null) {
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121 int value = getPreferenceStore().getInt(getPreferenceName());
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122 text.setText( tango.text.convert.Integer.toString(value));//$NON-NLS-1$
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123 oldValue = String_valueOf( value ); //$NON-NLS-1$
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124 }
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125
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126 }
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127
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128 /* (non-Javadoc)
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129 * Method declared on FieldEditor.
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130 */
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131 protected override void doLoadDefault() {
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132 Text text = getTextControl();
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133 if (text !is null) {
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134 int value = getPreferenceStore().getDefaultInt(getPreferenceName());
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135 text.setText(tango.text.convert.Integer.toString( value));//$NON-NLS-1$
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136 }
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137 valueChanged();
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138 }
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139
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140 /* (non-Javadoc)
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141 * Method declared on FieldEditor.
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142 */
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143 protected override void doStore() {
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144 Text text = getTextControl();
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145 if (text !is null) {
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146 Integer i = new Integer(text.getText());
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147 getPreferenceStore().setValue(getPreferenceName(), i.intValue());
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148 }
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149 }
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150
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151 /**
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152 * Returns this field editor's current value as an integer.
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153 *
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154 * @return the value
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155 * @exception NumberFormatException if the <code>String</code> does not
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156 * contain a parsable integer
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157 */
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158 public int getIntValue() {
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159 return (new Integer(getStringValue())).intValue();
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160 }
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161 }