Mercurial > projects > dwt-addons
annotate dwtx/jface/preference/IntegerFieldEditor.d @ 70:46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Thu, 22 May 2008 01:36:46 +0200 |
| parents | ea8ff534f622 |
| children | 5df4896124c7 |
| rev | line source |
|---|---|
| 34 | 1 /******************************************************************************* |
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parents:
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changeset
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2 * Copyright (c) 2000, 2007 IBM Corporation and others. |
| 34 | 3 * All rights reserved. This program and the accompanying materials |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
|
70
46a6e0e6ccd4
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parents:
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10 * <sgandon@nds.com> - Fix for bug 109389 - IntegerFieldEditor |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
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11 * does not fire property change all the time |
| 34 | 12 * Port to the D programming language: |
| 13 * Frank Benoit <benoit@tionex.de> | |
| 14 *******************************************************************************/ | |
| 15 module dwtx.jface.preference.IntegerFieldEditor; | |
| 16 | |
| 17 import dwtx.jface.preference.StringFieldEditor; | |
| 18 | |
| 19 import dwt.widgets.Composite; | |
| 20 import dwt.widgets.Text; | |
| 21 import dwtx.jface.resource.JFaceResources; | |
| 22 | |
| 23 import dwt.dwthelper.utils; | |
| 24 | |
| 25 /** | |
| 26 * A field editor for an integer type preference. | |
| 27 */ | |
| 28 public class IntegerFieldEditor : StringFieldEditor { | |
| 29 private int minValidValue = 0; | |
| 30 | |
| 31 private int maxValidValue = int.max; | |
| 32 | |
| 33 private static const int DEFAULT_TEXT_LIMIT = 10; | |
| 34 | |
| 35 /** | |
| 36 * Creates a new integer field editor | |
| 37 */ | |
| 38 protected this() { | |
| 39 } | |
| 40 | |
| 41 /** | |
| 42 * Creates an integer field editor. | |
| 43 * | |
| 44 * @param name the name of the preference this field editor works on | |
| 45 * @param labelText the label text of the field editor | |
| 46 * @param parent the parent of the field editor's control | |
| 47 */ | |
| 48 public this(String name, String labelText, Composite parent) { | |
| 49 this(name, labelText, parent, DEFAULT_TEXT_LIMIT); | |
| 50 } | |
| 51 | |
| 52 /** | |
| 53 * Creates an integer field editor. | |
| 54 * | |
| 55 * @param name the name of the preference this field editor works on | |
| 56 * @param labelText the label text of the field editor | |
| 57 * @param parent the parent of the field editor's control | |
| 58 * @param textLimit the maximum number of characters in the text. | |
| 59 */ | |
| 60 public this(String name, String labelText, Composite parent, | |
| 61 int textLimit) { | |
| 62 init(name, labelText); | |
| 63 setTextLimit(textLimit); | |
| 64 setEmptyStringAllowed(false); | |
| 65 setErrorMessage(JFaceResources | |
| 66 .getString("IntegerFieldEditor.errorMessage"));//$NON-NLS-1$ | |
| 67 createControl(parent); | |
| 68 } | |
| 69 | |
| 70 /** | |
| 71 * Sets the range of valid values for this field. | |
| 72 * | |
| 73 * @param min the minimum allowed value (inclusive) | |
| 74 * @param max the maximum allowed value (inclusive) | |
| 75 */ | |
| 76 public void setValidRange(int min, int max) { | |
| 77 minValidValue = min; | |
| 78 maxValidValue = max; | |
| 79 setErrorMessage(JFaceResources.format( | |
| 80 "IntegerFieldEditor.errorMessageRange", //$NON-NLS-1$ | |
| 81 [ new Integer(min), new Integer(max) ])); | |
| 82 } | |
| 83 | |
| 84 /* (non-Javadoc) | |
| 85 * Method declared on StringFieldEditor. | |
| 86 * Checks whether the entered String is a valid integer or not. | |
| 87 */ | |
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43
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parents:
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diff
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88 protected override bool checkState() { |
| 34 | 89 |
| 90 Text text = getTextControl(); | |
| 91 | |
| 92 if (text is null) { | |
| 93 return false; | |
| 94 } | |
| 95 | |
| 96 String numberString = text.getText(); | |
| 97 try { | |
| 98 int number = Integer.valueOf(numberString).intValue(); | |
| 99 if (number >= minValidValue && number <= maxValidValue) { | |
| 100 clearErrorMessage(); | |
| 101 return true; | |
| 102 } | |
| 103 | |
| 104 showErrorMessage(); | |
| 105 return false; | |
| 106 | |
| 107 } catch (NumberFormatException e1) { | |
| 108 showErrorMessage(); | |
| 109 } | |
| 110 | |
| 111 return false; | |
| 112 } | |
| 113 | |
| 114 /* (non-Javadoc) | |
| 115 * Method declared on FieldEditor. | |
| 116 */ | |
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43
ea8ff534f622
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parents:
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diff
changeset
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117 protected override void doLoad() { |
| 34 | 118 Text text = getTextControl(); |
| 119 if (text !is null) { | |
| 120 int value = getPreferenceStore().getInt(getPreferenceName()); | |
| 121 text.setText( tango.text.convert.Integer.toString(value));//$NON-NLS-1$ | |
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70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
122 oldValue = "" + value; //$NON-NLS-1$ |
| 34 | 123 } |
| 124 | |
| 125 } | |
| 126 | |
| 127 /* (non-Javadoc) | |
| 128 * Method declared on FieldEditor. | |
| 129 */ | |
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43
ea8ff534f622
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parents:
34
diff
changeset
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130 protected override void doLoadDefault() { |
| 34 | 131 Text text = getTextControl(); |
| 132 if (text !is null) { | |
| 133 int value = getPreferenceStore().getDefaultInt(getPreferenceName()); | |
| 134 text.setText(tango.text.convert.Integer.toString( value));//$NON-NLS-1$ | |
| 135 } | |
| 136 valueChanged(); | |
| 137 } | |
| 138 | |
| 139 /* (non-Javadoc) | |
| 140 * Method declared on FieldEditor. | |
| 141 */ | |
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43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
34
diff
changeset
|
142 protected override void doStore() { |
| 34 | 143 Text text = getTextControl(); |
| 144 if (text !is null) { | |
| 145 Integer i = new Integer(text.getText()); | |
| 146 getPreferenceStore().setValue(getPreferenceName(), i.intValue()); | |
| 147 } | |
| 148 } | |
| 149 | |
| 150 /** | |
| 151 * Returns this field editor's current value as an integer. | |
| 152 * | |
| 153 * @return the value | |
| 154 * @exception NumberFormatException if the <code>String</code> does not | |
| 155 * contain a parsable integer | |
| 156 */ | |
| 157 public int getIntValue() { | |
| 158 return (new Integer(getStringValue())).intValue(); | |
| 159 } | |
| 160 } |