Mercurial > projects > dwt-addons
annotate dwtx/jface/preference/FileFieldEditor.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 | 3ed358ab21c9 |
| 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.FileFieldEditor; | |
| 14 | |
| 15 import dwtx.jface.preference.StringButtonFieldEditor; | |
| 16 // import java.io.File; | |
| 17 | |
| 18 import dwt.DWT; | |
| 19 import dwt.widgets.Composite; | |
| 20 import dwt.widgets.FileDialog; | |
| 21 import dwtx.jface.resource.JFaceResources; | |
| 22 | |
| 23 import dwt.dwthelper.utils; | |
| 24 import tango.io.FilePath; | |
| 25 import tango.io.FileSystem; | |
| 26 | |
| 27 /** | |
| 28 * A field editor for a file path type preference. A standard file | |
| 29 * dialog appears when the user presses the change button. | |
| 30 */ | |
| 31 public class FileFieldEditor : StringButtonFieldEditor { | |
| 32 | |
| 33 /** | |
| 34 * List of legal file extension suffixes, or <code>null</code> | |
| 35 * for system defaults. | |
| 36 */ | |
| 37 private String[] extensions = null; | |
| 38 | |
| 39 /** | |
| 40 * Indicates whether the path must be absolute; | |
| 41 * <code>false</code> by default. | |
| 42 */ | |
| 43 private bool enforceAbsolute = false; | |
| 44 | |
| 45 /** | |
| 46 * Creates a new file field editor | |
| 47 */ | |
| 48 protected this() { | |
| 49 } | |
| 50 | |
| 51 /** | |
| 52 * Creates a file field editor. | |
| 53 * | |
| 54 * @param name the name of the preference this field editor works on | |
| 55 * @param labelText the label text of the field editor | |
| 56 * @param parent the parent of the field editor's control | |
| 57 */ | |
| 58 public this(String name, String labelText, Composite parent) { | |
| 59 this(name, labelText, false, parent); | |
| 60 } | |
| 61 | |
| 62 /** | |
| 63 * Creates a file field editor. | |
| 64 * | |
| 65 * @param name the name of the preference this field editor works on | |
| 66 * @param labelText the label text of the field editor | |
| 67 * @param enforceAbsolute <code>true</code> if the file path | |
| 68 * must be absolute, and <code>false</code> otherwise | |
| 69 * @param parent the parent of the field editor's control | |
| 70 */ | |
| 71 public this(String name, String labelText, | |
| 72 bool enforceAbsolute, Composite parent) { | |
| 73 init(name, labelText); | |
| 74 this.enforceAbsolute = enforceAbsolute; | |
| 75 setErrorMessage(JFaceResources | |
| 76 .getString("FileFieldEditor.errorMessage"));//$NON-NLS-1$ | |
| 77 setChangeButtonText(JFaceResources.getString("openBrowse"));//$NON-NLS-1$ | |
| 78 setValidateStrategy(VALIDATE_ON_FOCUS_LOST); | |
| 79 createControl(parent); | |
| 80 } | |
| 81 | |
| 82 /* (non-Javadoc) | |
| 83 * Method declared on StringButtonFieldEditor. | |
| 84 * Opens the file chooser dialog and returns the selected file. | |
| 85 */ | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
34
diff
changeset
|
86 protected override String changePressed() { |
| 34 | 87 auto f = new FilePath(getTextControl().getText()); |
| 88 if (!f.exists()) { | |
| 89 f = cast(FilePath)null; | |
| 90 } | |
| 91 auto d = getFile(f); | |
| 92 if (d is null) { | |
| 93 return null; | |
| 94 } | |
| 95 | |
| 96 return FileSystem.toAbsolute( d ).toString(); | |
| 97 } | |
| 98 | |
| 99 /* (non-Javadoc) | |
| 100 * Method declared on StringFieldEditor. | |
| 101 * Checks whether the text input field specifies an existing file. | |
| 102 */ | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
34
diff
changeset
|
103 protected override bool checkState() { |
| 34 | 104 |
| 105 String msg = null; | |
| 106 | |
| 107 String path = getTextControl().getText(); | |
| 108 if (path !is null) { | |
| 109 path = path.trim(); | |
| 110 } else { | |
| 111 path = "";//$NON-NLS-1$ | |
| 112 } | |
| 113 if (path.length is 0) { | |
| 114 if (!isEmptyStringAllowed()) { | |
| 115 msg = getErrorMessage(); | |
| 116 } | |
| 117 } else { | |
| 118 auto file = new FilePath(path); | |
| 119 if (/+file.isFile()+/ file.exists && !file.isFolder ) { | |
| 120 if (enforceAbsolute && !file.isAbsolute()) { | |
| 121 msg = JFaceResources | |
| 122 .getString("FileFieldEditor.errorMessage2");//$NON-NLS-1$ | |
| 123 } | |
| 124 } else { | |
| 125 msg = getErrorMessage(); | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 if (msg !is null) { // error | |
| 130 showErrorMessage(msg); | |
| 131 return false; | |
| 132 } | |
| 133 | |
| 134 // OK! | |
| 135 clearErrorMessage(); | |
| 136 return true; | |
| 137 } | |
| 138 | |
| 139 /** | |
| 140 * Helper to open the file chooser dialog. | |
| 141 * @param startingDirectory the directory to open the dialog on. | |
| 142 * @return File The File the user selected or <code>null</code> if they | |
| 143 * do not. | |
| 144 */ | |
| 145 private FilePath getFile(FilePath startingDirectory) { | |
| 146 | |
| 147 FileDialog dialog = new FileDialog(getShell(), DWT.OPEN); | |
| 148 if (startingDirectory !is null) { | |
| 149 dialog.setFileName(startingDirectory.path()); | |
| 150 } | |
| 151 if (extensions !is null) { | |
| 152 dialog.setFilterExtensions(extensions); | |
| 153 } | |
| 154 String file = dialog.open(); | |
| 155 if (file !is null) { | |
| 156 file = file.trim(); | |
| 157 if (file.length > 0) { | |
| 158 return new FilePath(file); | |
| 159 } | |
| 160 } | |
| 161 | |
| 162 return null; | |
| 163 } | |
| 164 | |
| 165 /** | |
| 166 * Sets this file field editor's file extension filter. | |
| 167 * | |
| 168 * @param extensions a list of file extension, or <code>null</code> | |
| 169 * to set the filter to the system's default value | |
| 170 */ | |
| 171 public void setFileExtensions(String[] extensions) { | |
| 172 this.extensions = extensions; | |
| 173 } | |
| 174 } |