1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 package com.nokia.cpp.internal.api.utils.ui;

    19 

    20 import java.io.File;

    21 

    22 import org.eclipse.core.runtime.IPath;

    23 import org.eclipse.swt.widgets.DirectoryDialog;

    24 import org.eclipse.swt.widgets.FileDialog;

    25 import org.eclipse.swt.widgets.Text;

    26 

    27 /**

    28  * Utilities to make it easier to use file dialogs.

    29  */

    30 public class BrowseDialogUtils {

    31 	/**

    32 	 * When issuing a "Browse..." command next to a text entry field, initialize

    33 	 * the dialog with the existing path in that text field.

    34 	 * @param dialog

    35 	 * @param textEntry

    36 	 */

    37 	public static void initializeFrom(FileDialog dialog, Text textEntry) {

    38 		if (textEntry == null)

    39 			return;

    40 		String existing = textEntry.getText();

    41 		initializeFrom(dialog, existing);

    42 	}

    43 

    44 	/**

    45 	 * When issuing a "Browse..." command with an expected path, initialize

    46 	 * the dialog with the existing path.

    47 	 * @param dialog

    48 	 * @param path

    49 	 */

    50 	public static void initializeFrom(FileDialog dialog, IPath path) {

    51 		if (path != null) {

    52 			initializeFrom(dialog, path.toOSString());

    53 		}

    54 	}

    55 	

    56 	/**

    57 	 * When issuing a "Browse..." command with an expected path, initialize

    58 	 * the dialog with the existing path.

    59 	 * @param dialog

    60 	 * @param path

    61 	 */

    62 	public static void initializeFrom(FileDialog dialog, String path) {

    63 		if (path != null && path.length() > 0) {

    64 			File file = new File(path);

    65 			if (file.exists()) {

    66 				if (file.isAbsolute()) {

    67 					dialog.setFilterPath(file.getParent());

    68 				}

    69 				dialog.setFileName(file.getName());

    70 			} else {

    71 				if (!file.isAbsolute())

    72 					return;

    73 				File dir = file.getParentFile();

    74 				while (dir != null && !dir.exists()) {

    75 					dir = dir.getParentFile();

    76 				}

    77 				if (dir != null) {

    78 					dialog.setFilterPath(dir.getAbsolutePath());

    79 				}

    80 			}

    81 		}

    82 	}

    83 	

    84 	/**

    85 	 * When issuing a "Browse..." command next to a text entry field, initialize

    86 	 * the dialog with the existing path in that text field.

    87 	 * @param dialog

    88 	 * @param textEntry

    89 	 */

    90 	public static void initializeFrom(DirectoryDialog dialog, Text textEntry) {

    91 		if (textEntry == null)

    92 			return;

    93 		String existing = textEntry.getText();

    94 		initializeFrom(dialog, existing);

    95 	}

    96 

    97 	/**

    98 	 * When issuing a "Browse..." command with an expected path, initialize

    99 	 * the dialog with the existing path.

   100 	 * @param dialog

   101 	 * @param path

   102 	 */

   103 	public static void initializeFrom(DirectoryDialog dialog, IPath path) {

   104 		if (path != null) {

   105 			initializeFrom(dialog, path.toOSString());

   106 		}

   107 	}

   108 	

   109 	/**

   110 	 * When issuing a "Browse..." command with an expected path, initialize

   111 	 * the dialog with the existing path.

   112 	 * @param dialog

   113 	 * @param path

   114 	 */

   115 	public static void initializeFrom(DirectoryDialog dialog, String path) {

   116 		if (path != null && path.length() > 0) {

   117 			File file = new File(path);

   118 			if (!file.isAbsolute())

   119 				return;

   120 			while (file != null && !file.exists()) {

   121 				file = file.getParentFile();

   122 			}

   123 			if (file != null) {

   124 				dialog.setFilterPath(file.getAbsolutePath());

   125 			}

   126 		}

   127 	}

   128 }