Mercurial > projects > dwt-addons
annotate dwtx/jface/preference/IntegerFieldEditor.d @ 43:ea8ff534f622
Fix override and super aliases
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 11 Apr 2008 01:24:25 +0200 |
| parents | b3c8e32d406f |
| children | 46a6e0e6ccd4 |
| rev | line source |
|---|---|
| 34 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2006 IBM Corporation and others. | |
| 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 | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwtx.jface.preference.IntegerFieldEditor; | |
| 14 | |
| 15 import dwtx.jface.preference.StringFieldEditor; | |
| 16 | |
| 17 import dwt.widgets.Composite; | |
| 18 import dwt.widgets.Text; | |
| 19 import dwtx.jface.resource.JFaceResources; | |
| 20 | |
| 21 import dwt.dwthelper.utils; | |
| 22 | |
| 23 /** | |
| 24 * A field editor for an integer type preference. | |
| 25 */ | |
| 26 public class IntegerFieldEditor : StringFieldEditor { | |
| 27 private int minValidValue = 0; | |
| 28 | |
| 29 private int maxValidValue = int.max; | |
| 30 | |
| 31 private static const int DEFAULT_TEXT_LIMIT = 10; | |
| 32 | |
| 33 /** | |
| 34 * Creates a new integer field editor | |
| 35 */ | |
| 36 protected this() { | |
| 37 } | |
| 38 | |
| 39 /** | |
| 40 * Creates an integer field editor. | |
| 41 * | |
| 42 * @param name the name of the preference this field editor works on | |
| 43 * @param labelText the label text of the field editor | |
| 44 * @param parent the parent of the field editor's control | |
| 45 */ | |
| 46 public this(String name, String labelText, Composite parent) { | |
| 47 this(name, labelText, parent, DEFAULT_TEXT_LIMIT); | |
| 48 } | |
| 49 | |
| 50 /** | |
| 51 * Creates an integer field editor. | |
| 52 * | |
| 53 * @param name the name of the preference this field editor works on | |
| 54 * @param labelText the label text of the field editor | |
| 55 * @param parent the parent of the field editor's control | |
| 56 * @param textLimit the maximum number of characters in the text. | |
| 57 */ | |
| 58 public this(String name, String labelText, Composite parent, | |
| 59 int textLimit) { | |
| 60 init(name, labelText); | |
| 61 setTextLimit(textLimit); | |
| 62 setEmptyStringAllowed(false); | |
| 63 setErrorMessage(JFaceResources | |
| 64 .getString("IntegerFieldEditor.errorMessage"));//$NON-NLS-1$ | |
| 65 createControl(parent); | |
| 66 } | |
| 67 | |
| 68 /** | |
| 69 * Sets the range of valid values for this field. | |
| 70 * | |
| 71 * @param min the minimum allowed value (inclusive) | |
| 72 * @param max the maximum allowed value (inclusive) | |
| 73 */ | |
| 74 public void setValidRange(int min, int max) { | |
| 75 minValidValue = min; | |
| 76 maxValidValue = max; | |
| 77 setErrorMessage(JFaceResources.format( | |
| 78 "IntegerFieldEditor.errorMessageRange", //$NON-NLS-1$ | |
| 79 [ new Integer(min), new Integer(max) ])); | |
| 80 } | |
| 81 | |
| 82 /* (non-Javadoc) | |
| 83 * Method declared on StringFieldEditor. | |
| 84 * Checks whether the entered String is a valid integer or not. | |
| 85 */ | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
34
diff
changeset
|
86 protected override bool checkState() { |
| 34 | 87 |
| 88 Text text = getTextControl(); | |
| 89 | |
| 90 if (text is null) { | |
| 91 return false; | |
| 92 } | |
| 93 | |
| 94 String numberString = text.getText(); | |
| 95 try { | |
| 96 int number = Integer.valueOf(numberString).intValue(); | |
| 97 if (number >= minValidValue && number <= maxValidValue) { | |
| 98 clearErrorMessage(); | |
| 99 return true; | |
| 100 } | |
| 101 | |
| 102 showErrorMessage(); | |
| 103 return false; | |
| 104 | |
| 105 } catch (NumberFormatException e1) { | |
| 106 showErrorMessage(); | |
| 107 } | |
| 108 | |
| 109 return false; | |
| 110 } | |
| 111 | |
| 112 /* (non-Javadoc) | |
| 113 * Method declared on FieldEditor. | |
| 114 */ | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
34
diff
changeset
|
115 protected override void doLoad() { |
| 34 | 116 Text text = getTextControl(); |
| 117 if (text !is null) { | |
| 118 int value = getPreferenceStore().getInt(getPreferenceName()); | |
| 119 text.setText( tango.text.convert.Integer.toString(value));//$NON-NLS-1$ | |
| 120 } | |
| 121 | |
| 122 } | |
| 123 | |
| 124 /* (non-Javadoc) | |
| 125 * Method declared on FieldEditor. | |
| 126 */ | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
34
diff
changeset
|
127 protected override void doLoadDefault() { |
| 34 | 128 Text text = getTextControl(); |
| 129 if (text !is null) { | |
| 130 int value = getPreferenceStore().getDefaultInt(getPreferenceName()); | |
| 131 text.setText(tango.text.convert.Integer.toString( value));//$NON-NLS-1$ | |
| 132 } | |
| 133 valueChanged(); | |
| 134 } | |
| 135 | |
| 136 /* (non-Javadoc) | |
| 137 * Method declared on FieldEditor. | |
| 138 */ | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
34
diff
changeset
|
139 protected override void doStore() { |
| 34 | 140 Text text = getTextControl(); |
| 141 if (text !is null) { | |
| 142 Integer i = new Integer(text.getText()); | |
| 143 getPreferenceStore().setValue(getPreferenceName(), i.intValue()); | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 /** | |
| 148 * Returns this field editor's current value as an integer. | |
| 149 * | |
| 150 * @return the value | |
| 151 * @exception NumberFormatException if the <code>String</code> does not | |
| 152 * contain a parsable integer | |
| 153 */ | |
| 154 public int getIntValue() { | |
| 155 return (new Integer(getStringValue())).intValue(); | |
| 156 } | |
| 157 } |