| /******************************************************************************* |
| * Copyright (c) 2000, 2009 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.gtk.*; |
| |
| /** |
| * Instances of this class allow the user to navigate |
| * the file system and select or enter a file name. |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>SAVE, OPEN, MULTI</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>(none)</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of the styles SAVE and OPEN may be specified. |
| * </p><p> |
| * IMPORTANT: This class is intended to be subclassed <em>only</em> |
| * within the SWT implementation. |
| * </p> |
| * |
| * @see <a href="http://www.eclipse.org/swt/snippets/#filedialog">FileDialog snippets</a> |
| * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample, Dialog tab</a> |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class FileDialog extends Dialog { |
| String [] filterNames = new String [0]; |
| String [] filterExtensions = new String [0]; |
| String filterPath = ""; |
| String fileName = ""; |
| String[] fileNames = new String [0]; |
| String fullPath = ""; |
| int filterIndex = -1; |
| boolean overwrite = false; |
| boolean uriMode; |
| int /*long*/ handle; |
| static final char SEPARATOR = System.getProperty ("file.separator").charAt (0); |
| static final char EXTENSION_SEPARATOR = ';'; |
| |
| /** |
| * Constructs a new instance of this class given only its parent. |
| * |
| * @param parent a shell which will be the parent of the new instance |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| */ |
| public FileDialog (Shell parent) { |
| this (parent, SWT.APPLICATION_MODAL); |
| } |
| /** |
| * Constructs a new instance of this class given its parent |
| * and a style value describing its behavior and appearance. |
| * <p> |
| * The style value is either one of the style constants defined in |
| * class <code>SWT</code> which is applicable to instances of this |
| * class, or must be built by <em>bitwise OR</em>'ing together |
| * (that is, using the <code>int</code> "|" operator) two or more |
| * of those <code>SWT</code> style constants. The class description |
| * lists the style constants that are applicable to the class. |
| * Style bits are also inherited from superclasses. |
| * </p> |
| * |
| * @param parent a shell which will be the parent of the new instance |
| * @param style the style of dialog to construct |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| * |
| * @see SWT#SAVE |
| * @see SWT#OPEN |
| * @see SWT#MULTI |
| */ |
| public FileDialog (Shell parent, int style) { |
| super (parent, checkStyle (parent, style)); |
| checkSubclass (); |
| } |
| String computeResultChooserDialog () { |
| /* MULTI is only valid if the native dialog's action is Open */ |
| fullPath = null; |
| if ((style & (SWT.SAVE | SWT.MULTI)) == SWT.MULTI) { |
| int /*long*/ list = 0; |
| if (uriMode) { |
| list = OS.gtk_file_chooser_get_uris (handle); |
| } else { |
| list = OS.gtk_file_chooser_get_filenames (handle); |
| } |
| int listLength = OS.g_slist_length (list); |
| fileNames = new String [listLength]; |
| int /*long*/ current = list; |
| int writePos = 0; |
| for (int i = 0; i < listLength; i++) { |
| int /*long*/ name = OS.g_slist_data (current); |
| int /*long*/ utf8Ptr = 0; |
| if (uriMode) { |
| utf8Ptr = name; |
| } else { |
| utf8Ptr = OS.g_filename_to_utf8 (name, -1, null, null, null); |
| OS.g_free (name); |
| } |
| if (utf8Ptr != 0) { |
| int /*long*/ [] items_written = new int /*long*/ [1]; |
| int /*long*/ utf16Ptr = OS.g_utf8_to_utf16 (utf8Ptr, -1, null, items_written, null); |
| OS.g_free (utf8Ptr); |
| if (utf16Ptr != 0) { |
| int clength = (int)/*64*/items_written [0]; |
| char [] chars = new char [clength]; |
| OS.memmove (chars, utf16Ptr, clength * 2); |
| OS.g_free (utf16Ptr); |
| fullPath = new String (chars); |
| fileNames [writePos++] = fullPath.substring (fullPath.lastIndexOf (SEPARATOR) + 1); |
| } |
| } |
| current = OS.g_slist_next (current); |
| } |
| if (writePos != 0 && writePos != listLength) { |
| String [] validFileNames = new String [writePos]; |
| System.arraycopy (fileNames, 0, validFileNames, 0, writePos); |
| fileNames = validFileNames; |
| } |
| OS.g_slist_free (list); |
| } else { |
| int /*long*/ utf8Ptr = 0; |
| if (uriMode) { |
| utf8Ptr = OS.gtk_file_chooser_get_uri (handle); |
| } else { |
| int /*long*/ path = OS.gtk_file_chooser_get_filename (handle); |
| if (path != 0) { |
| utf8Ptr = OS.g_filename_to_utf8 (path, -1, null, null, null); |
| OS.g_free (path); |
| } |
| } |
| if (utf8Ptr != 0) { |
| int /*long*/ [] items_written = new int /*long*/ [1]; |
| int /*long*/ utf16Ptr = OS.g_utf8_to_utf16 (utf8Ptr, -1, null, items_written, null); |
| OS.g_free (utf8Ptr); |
| if (utf16Ptr != 0) { |
| int clength = (int)/*64*/items_written [0]; |
| char [] chars = new char [clength]; |
| OS.memmove (chars, utf16Ptr, clength * 2); |
| OS.g_free (utf16Ptr); |
| fullPath = new String (chars); |
| fileNames = new String [1]; |
| fileNames[0] = fullPath.substring (fullPath.lastIndexOf (SEPARATOR) + 1); |
| } |
| } |
| } |
| filterIndex = -1; |
| int /*long*/ filter = OS.gtk_file_chooser_get_filter (handle); |
| if (filter != 0) { |
| int /*long*/ filterNamePtr = OS.gtk_file_filter_get_name (filter); |
| if (filterNamePtr != 0) { |
| int length = OS.strlen (filterNamePtr); |
| byte[] buffer = new byte [length]; |
| OS.memmove (buffer, filterNamePtr, length); |
| //OS.g_free (filterNamePtr); //GTK owns this pointer - do not free |
| String filterName = new String (Converter.mbcsToWcs (null, buffer)); |
| for (int i = 0; i < filterExtensions.length; i++) { |
| if (filterNames.length > 0) { |
| if (filterNames[i].equals(filterName)) { |
| filterIndex = i; |
| break; |
| } |
| } else { |
| if (filterExtensions[i].equals(filterName)) { |
| filterIndex = i; |
| break; |
| } |
| } |
| } |
| } |
| } |
| if (fullPath != null) { |
| int separatorIndex = fullPath.lastIndexOf (SEPARATOR); |
| fileName = fullPath.substring (separatorIndex + 1); |
| filterPath = fullPath.substring (0, separatorIndex); |
| } |
| return fullPath; |
| } |
| String computeResultClassicDialog () { |
| filterIndex = -1; |
| GtkFileSelection selection = new GtkFileSelection (); |
| OS.memmove (selection, handle); |
| int /*long*/ entry = selection.selection_entry; |
| int /*long*/ entryText = OS.gtk_entry_get_text (entry); |
| int entryLength = OS.strlen (entryText); |
| if (entryLength == 0) { |
| int /*long*/ fileList = selection.file_list; |
| int /*long*/ listSelection = OS.gtk_tree_view_get_selection (fileList); |
| int /*long*/[] model = new int /*long*/[1]; |
| int /*long*/ selectedList = OS.gtk_tree_selection_get_selected_rows (listSelection, model); |
| if (selectedList == 0) return null; |
| int listLength = OS.g_list_length (selectedList); |
| if (listLength == 0) { |
| OS.g_list_free (selectedList); |
| return null; |
| } |
| int /*long*/ path = OS.g_list_nth_data (selectedList, 0); |
| int /*long*/ [] ptr = new int /*long*/[1]; |
| int /*long*/ iter = OS.g_malloc (OS.GtkTreeIter_sizeof ()); |
| if (OS.gtk_tree_model_get_iter (model [0], iter, path)) { |
| OS.gtk_tree_model_get (model [0], iter, 0, ptr, -1); |
| } |
| OS.g_free (iter); |
| for (int i = 0; i < listLength; i++) { |
| OS.gtk_tree_path_free (OS.g_list_nth_data (selectedList, i)); |
| } |
| OS.g_list_free (selectedList); |
| if (ptr [0] == 0) return null; |
| int length = OS.strlen (ptr [0]); |
| byte [] buffer = new byte [length]; |
| OS.memmove (buffer, ptr [0], length); |
| OS.g_free (ptr [0]); |
| OS.gtk_entry_set_text (entry, buffer); |
| } |
| |
| int /*long*/ fileNamePtr = OS.gtk_file_selection_get_filename (handle); |
| int /*long*/ utf8Ptr = OS.g_filename_to_utf8 (fileNamePtr, -1, null, null, null); |
| int /*long*/ [] items_written = new int /*long*/ [1]; |
| int /*long*/ utf16Ptr = OS.g_utf8_to_utf16 (utf8Ptr, -1, null, items_written, null); |
| entryLength = (int)/*64*/items_written [0]; |
| char [] buffer = new char [entryLength]; |
| OS.memmove (buffer, utf16Ptr, entryLength * 2); |
| String osAnswer = new String (buffer); |
| OS.g_free (utf16Ptr); |
| OS.g_free (utf8Ptr); |
| |
| if (osAnswer == null) return null; |
| int separatorIndex = osAnswer.lastIndexOf (SEPARATOR); |
| if (separatorIndex+1 == osAnswer.length ()) return null; |
| |
| String answer = fullPath = osAnswer; |
| fileName = fullPath.substring (separatorIndex+1); |
| filterPath = fullPath.substring (0, separatorIndex); |
| if ((style & SWT.MULTI) == 0) { |
| fileNames = new String[] {fileName}; |
| } else { |
| int /*long*/ namesPtr = OS.gtk_file_selection_get_selections (handle); |
| int /*long*/ namesPtr1 = namesPtr; |
| int /*long*/ [] namePtr = new int /*long*/ [1]; |
| OS.memmove (namePtr, namesPtr1, OS.PTR_SIZEOF); |
| int length = 0; |
| while (namePtr[0] != 0) { |
| length++; |
| namesPtr1+=OS.PTR_SIZEOF; |
| OS.memmove(namePtr, namesPtr1, OS.PTR_SIZEOF); |
| } |
| fileNames = new String [length]; |
| namePtr = new int /*long*/ [length]; |
| OS.memmove (namePtr, namesPtr, length * OS.PTR_SIZEOF); |
| for (int i = 0; i < length; i++) { |
| utf8Ptr = OS.g_filename_to_utf8 (namePtr [i], -1, null, null, null); |
| items_written = new int /*long*/ [1]; |
| utf16Ptr = OS.g_utf8_to_utf16 (utf8Ptr, -1, null, items_written, null); |
| buffer = new char [(int)/*64*/items_written [0]]; |
| OS.memmove (buffer, utf16Ptr, items_written [0] * 2); |
| String name = new String (buffer); |
| fileNames [i] = name.substring (name.lastIndexOf (SEPARATOR) + 1); |
| OS.g_free (utf16Ptr); |
| OS.g_free (utf8Ptr); |
| } |
| OS.g_strfreev (namesPtr); |
| } |
| return answer; |
| } |
| /** |
| * Returns the path of the first file that was |
| * selected in the dialog relative to the filter path, or an |
| * empty string if no such file has been selected. |
| * |
| * @return the relative path of the file |
| */ |
| public String getFileName () { |
| return fileName; |
| } |
| /** |
| * Returns a (possibly empty) array with the paths of all files |
| * that were selected in the dialog relative to the filter path. |
| * |
| * @return the relative paths of the files |
| */ |
| public String [] getFileNames () { |
| return fileNames; |
| } |
| /** |
| * Returns the file extensions which the dialog will |
| * use to filter the files it shows. |
| * |
| * @return the file extensions filter |
| */ |
| public String [] getFilterExtensions () { |
| return filterExtensions; |
| } |
| /** |
| * Get the 0-based index of the file extension filter |
| * which was selected by the user, or -1 if no filter |
| * was selected. |
| * <p> |
| * This is an index into the FilterExtensions array and |
| * the FilterNames array. |
| * </p> |
| * |
| * @return index the file extension filter index |
| * |
| * @see #getFilterExtensions |
| * @see #getFilterNames |
| * |
| * @since 3.4 |
| */ |
| public int getFilterIndex () { |
| return filterIndex; |
| } |
| /** |
| * Returns the names that describe the filter extensions |
| * which the dialog will use to filter the files it shows. |
| * |
| * @return the list of filter names |
| */ |
| public String [] getFilterNames () { |
| return filterNames; |
| } |
| /** |
| * Returns the directory path that the dialog will use, or an empty |
| * string if this is not set. File names in this path will appear |
| * in the dialog, filtered according to the filter extensions. |
| * |
| * @return the directory path string |
| * |
| * @see #setFilterExtensions |
| */ |
| public String getFilterPath () { |
| return filterPath; |
| } |
| /** |
| * Returns the flag that the dialog will use to |
| * determine whether to prompt the user for file |
| * overwrite if the selected file already exists. |
| * |
| * @return true if the dialog will prompt for file overwrite, false otherwise |
| * |
| * @since 3.4 |
| */ |
| public boolean getOverwrite () { |
| return overwrite; |
| } |
| /** |
| * Makes the dialog visible and brings it to the front |
| * of the display. |
| * |
| * @return a string describing the absolute path of the first selected file, |
| * or null if the dialog was cancelled or an error occurred |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> |
| * </ul> |
| */ |
| public String open () { |
| boolean useChooserDialog = OS.GTK_VERSION >= OS.VERSION (2, 4, 10); |
| if (useChooserDialog) { |
| return openChooserDialog (); |
| } else { |
| return openClassicDialog (); |
| } |
| } |
| String openChooserDialog () { |
| byte [] titleBytes = Converter.wcsToMbcs (null, title, true); |
| int action = (style & SWT.SAVE) != 0 ? |
| OS.GTK_FILE_CHOOSER_ACTION_SAVE : |
| OS.GTK_FILE_CHOOSER_ACTION_OPEN; |
| int /*long*/ shellHandle = parent.topHandle (); |
| Display display = parent != null ? parent.getDisplay (): Display.getCurrent (); |
| if (display.getDismissalAlignment() == SWT.RIGHT) { |
| handle = OS.gtk_file_chooser_dialog_new (titleBytes, shellHandle, action, OS.GTK_STOCK_CANCEL (), OS.GTK_RESPONSE_CANCEL, OS.GTK_STOCK_OK (), OS.GTK_RESPONSE_OK, 0); |
| } else { |
| handle = OS.gtk_file_chooser_dialog_new (titleBytes, shellHandle, action, OS.GTK_STOCK_OK (), OS.GTK_RESPONSE_OK, OS.GTK_STOCK_CANCEL (), OS.GTK_RESPONSE_CANCEL, 0); |
| } |
| OS.gtk_window_set_modal (handle, true); |
| int /*long*/ pixbufs = OS.gtk_window_get_icon_list (shellHandle); |
| if (pixbufs != 0) { |
| OS.gtk_window_set_icon_list (handle, pixbufs); |
| OS.g_list_free (pixbufs); |
| } |
| if (uriMode) { |
| OS.gtk_file_chooser_set_local_only (handle, false); |
| } |
| presetChooserDialog (); |
| display.addIdleProc (); |
| String answer = null; |
| Dialog oldModal = null; |
| if (OS.gtk_window_get_modal (handle)) { |
| oldModal = display.getModalDialog (); |
| display.setModalDialog (this); |
| } |
| int signalId = 0; |
| int /*long*/ hookId = 0; |
| if ((style & SWT.RIGHT_TO_LEFT) != 0) { |
| signalId = OS.g_signal_lookup (OS.map, OS.GTK_TYPE_WIDGET()); |
| hookId = OS.g_signal_add_emission_hook (signalId, 0, display.emissionProc, handle, 0); |
| } |
| int response = OS.gtk_dialog_run (handle); |
| if ((style & SWT.RIGHT_TO_LEFT) != 0) { |
| OS.g_signal_remove_emission_hook (signalId, hookId); |
| } |
| if (OS.gtk_window_get_modal (handle)) { |
| display.setModalDialog (oldModal); |
| } |
| if (response == OS.GTK_RESPONSE_OK) { |
| answer = computeResultChooserDialog (); |
| } |
| display.removeIdleProc (); |
| OS.gtk_widget_destroy (handle); |
| return answer; |
| } |
| String openClassicDialog () { |
| byte [] titleBytes = Converter.wcsToMbcs (null, title, true); |
| handle = OS.gtk_file_selection_new (titleBytes); |
| if (parent != null) { |
| int /*long*/ shellHandle = parent.topHandle (); |
| OS.gtk_window_set_transient_for (handle, shellHandle); |
| int /*long*/ pixbufs = OS.gtk_window_get_icon_list (shellHandle); |
| if (pixbufs != 0) { |
| OS.gtk_window_set_icon_list (handle, pixbufs); |
| OS.g_list_free (pixbufs); |
| } |
| } |
| OS.gtk_window_set_modal (handle, true); |
| presetClassicDialog (); |
| Display display = parent != null ? parent.getDisplay (): Display.getCurrent (); |
| display.addIdleProc (); |
| String answer = null; |
| Dialog oldModal = null; |
| if (OS.gtk_window_get_modal (handle)) { |
| oldModal = display.getModalDialog (); |
| display.setModalDialog (this); |
| } |
| int signalId = 0; |
| int /*long*/ hookId = 0; |
| if ((style & SWT.RIGHT_TO_LEFT) != 0) { |
| signalId = OS.g_signal_lookup (OS.map, OS.GTK_TYPE_WIDGET()); |
| hookId = OS.g_signal_add_emission_hook (signalId, 0, display.emissionProc, handle, 0); |
| } |
| int response = OS.gtk_dialog_run (handle); |
| if ((style & SWT.RIGHT_TO_LEFT) != 0) { |
| OS.g_signal_remove_emission_hook (signalId, hookId); |
| } |
| if (OS.gtk_window_get_modal (handle)) { |
| display.setModalDialog (oldModal); |
| } |
| if (response == OS.GTK_RESPONSE_OK) { |
| answer = computeResultClassicDialog (); |
| } |
| display.removeIdleProc (); |
| OS.gtk_widget_destroy (handle); |
| return answer; |
| } |
| void presetChooserDialog () { |
| /* MULTI is only valid if the native dialog's action is Open */ |
| if ((style & (SWT.SAVE | SWT.MULTI)) == SWT.MULTI) { |
| OS.gtk_file_chooser_set_select_multiple (handle, true); |
| } |
| if (filterPath == null) filterPath = ""; |
| if (fileName == null) fileName = ""; |
| if ((style & SWT.SAVE) != 0) { |
| if (filterPath.length () > 0) { |
| if (uriMode) { |
| byte [] buffer = Converter.wcsToMbcs (null, filterPath, true); |
| OS.gtk_file_chooser_set_current_folder_uri (handle, buffer); |
| } else { |
| /* filename must be a full path */ |
| byte [] buffer = Converter.wcsToMbcs (null, SEPARATOR + filterPath, true); |
| |
| /* |
| * Bug in GTK. GtkFileChooser may crash on GTK versions 2.4.10 to 2.6 |
| * when setting a file name that is not a true canonical path. |
| * The fix is to use the canonical path. |
| */ |
| int /*long*/ ptr = OS.realpath (buffer, null); |
| OS.gtk_file_chooser_set_current_folder (handle, ptr); |
| OS.g_free (ptr); |
| } |
| } |
| if (fileName.length () > 0) { |
| byte [] buffer = Converter.wcsToMbcs (null, fileName, true); |
| OS.gtk_file_chooser_set_current_name (handle, buffer); |
| } |
| } else { |
| StringBuffer stringBuffer = new StringBuffer(); |
| if (filterPath.length () > 0) { |
| if (!uriMode) { |
| /* filename must be a full path */ |
| stringBuffer.append(SEPARATOR); |
| } |
| stringBuffer.append(filterPath); |
| stringBuffer.append(SEPARATOR); |
| } |
| if (fileName.length () > 0) { |
| stringBuffer.append(fileName); |
| } |
| byte [] buffer = Converter.wcsToMbcs (null, stringBuffer.toString(), true); |
| if (uriMode) { |
| OS.gtk_file_chooser_set_uri (handle, buffer); |
| } else { |
| /* |
| * Bug in GTK. GtkFileChooser may crash on GTK versions 2.4.10 to 2.6 |
| * when setting a file name that is not a true canonical path. |
| * The fix is to use the canonical path. |
| */ |
| int /*long*/ ptr = OS.realpath (buffer, null); |
| if (ptr != 0) { |
| OS.gtk_file_chooser_set_filename (handle, ptr); |
| OS.g_free (ptr); |
| } |
| } |
| } |
| |
| /* Set overwrite mode */ |
| if ((style & SWT.SAVE) != 0) { |
| if (OS.GTK_VERSION >= OS.VERSION (2, 8, 0)) { |
| OS.gtk_file_chooser_set_do_overwrite_confirmation (handle, overwrite); |
| } |
| } |
| |
| /* Set the extension filters */ |
| if (filterNames == null) filterNames = new String [0]; |
| if (filterExtensions == null) filterExtensions = new String [0]; |
| int /*long*/ initialFilter = 0; |
| for (int i = 0; i < filterExtensions.length; i++) { |
| if (filterExtensions [i] != null) { |
| int /*long*/ filter = OS.gtk_file_filter_new (); |
| if (filterNames.length > i && filterNames [i] != null) { |
| byte [] name = Converter.wcsToMbcs (null, filterNames [i], true); |
| OS.gtk_file_filter_set_name (filter, name); |
| } else { |
| byte [] name = Converter.wcsToMbcs (null, filterExtensions [i], true); |
| OS.gtk_file_filter_set_name (filter, name); |
| } |
| int start = 0; |
| int index = filterExtensions [i].indexOf (EXTENSION_SEPARATOR); |
| while (index != -1) { |
| String current = filterExtensions [i].substring (start, index); |
| byte [] filterString = Converter.wcsToMbcs (null, current, true); |
| OS.gtk_file_filter_add_pattern (filter, filterString); |
| start = index + 1; |
| index = filterExtensions [i].indexOf (EXTENSION_SEPARATOR, start); |
| } |
| String current = filterExtensions [i].substring (start); |
| byte [] filterString = Converter.wcsToMbcs (null, current, true); |
| OS.gtk_file_filter_add_pattern (filter, filterString); |
| OS.gtk_file_chooser_add_filter (handle, filter); |
| if (i == filterIndex) { |
| initialFilter = filter; |
| } |
| } |
| } |
| if (initialFilter != 0) { |
| OS.gtk_file_chooser_set_filter(handle, initialFilter); |
| } |
| fullPath = null; |
| fileNames = new String [0]; |
| } |
| void presetClassicDialog () { |
| OS.gtk_file_selection_set_select_multiple(handle, (style & SWT.MULTI) != 0); |
| |
| /* Calculate the fully-specified file name and convert to bytes */ |
| StringBuffer stringBuffer = new StringBuffer (); |
| if (filterPath == null) { |
| filterPath = ""; |
| } else { |
| if (filterPath.length () > 0) { |
| stringBuffer.append (filterPath); |
| if (filterPath.charAt (filterPath.length () - 1) != SEPARATOR) { |
| stringBuffer.append (SEPARATOR); |
| } |
| } |
| } |
| if (fileName == null) { |
| fileName = ""; |
| } else { |
| stringBuffer.append (fileName); |
| } |
| fullPath = stringBuffer.toString (); |
| int length = fullPath.length (); |
| char [] buffer = new char [length + 1]; |
| fullPath.getChars (0, length, buffer, 0); |
| int /*long*/ utf8Ptr = OS.g_utf16_to_utf8 (buffer, -1, null, null, null); |
| int /*long*/ fileNamePtr = OS.g_filename_from_utf8 (utf8Ptr, -1, null, null, null); |
| OS.gtk_file_selection_set_filename (handle, fileNamePtr); |
| OS.g_free (utf8Ptr); |
| OS.g_free (fileNamePtr); |
| |
| if (filterNames == null) filterNames = new String [0]; |
| if (filterExtensions == null) filterExtensions = new String [0]; |
| fullPath = null; |
| fileNames = new String [0]; |
| } |
| /** |
| * Set the initial filename which the dialog will |
| * select by default when opened to the argument, |
| * which may be null. The name will be prefixed with |
| * the filter path when one is supplied. |
| * |
| * @param string the file name |
| */ |
| public void setFileName (String string) { |
| fileName = string; |
| } |
| /** |
| * Set the file extensions which the dialog will |
| * use to filter the files it shows to the argument, |
| * which may be null. |
| * <p> |
| * The strings are platform specific. For example, on |
| * some platforms, an extension filter string is typically |
| * of the form "*.extension", where "*.*" matches all files. |
| * For filters with multiple extensions, use semicolon as |
| * a separator, e.g. "*.jpg;*.png". |
| * </p> |
| * |
| * @param extensions the file extension filter |
| * |
| * @see #setFilterNames to specify the user-friendly |
| * names corresponding to the extensions |
| */ |
| public void setFilterExtensions (String [] extensions) { |
| filterExtensions = extensions; |
| } |
| /** |
| * Set the 0-based index of the file extension filter |
| * which the dialog will use initially to filter the files |
| * it shows to the argument. |
| * <p> |
| * This is an index into the FilterExtensions array and |
| * the FilterNames array. |
| * </p> |
| * |
| * @param index the file extension filter index |
| * |
| * @see #setFilterExtensions |
| * @see #setFilterNames |
| * |
| * @since 3.4 |
| */ |
| public void setFilterIndex (int index) { |
| filterIndex = index; |
| } |
| /** |
| * Sets the names that describe the filter extensions |
| * which the dialog will use to filter the files it shows |
| * to the argument, which may be null. |
| * <p> |
| * Each name is a user-friendly short description shown for |
| * its corresponding filter. The <code>names</code> array must |
| * be the same length as the <code>extensions</code> array. |
| * </p> |
| * |
| * @param names the list of filter names, or null for no filter names |
| * |
| * @see #setFilterExtensions |
| */ |
| public void setFilterNames (String [] names) { |
| filterNames = names; |
| } |
| /** |
| * Sets the directory path that the dialog will use |
| * to the argument, which may be null. File names in this |
| * path will appear in the dialog, filtered according |
| * to the filter extensions. If the string is null, |
| * then the operating system's default filter path |
| * will be used. |
| * <p> |
| * Note that the path string is platform dependent. |
| * For convenience, either '/' or '\' can be used |
| * as a path separator. |
| * </p> |
| * |
| * @param string the directory path |
| * |
| * @see #setFilterExtensions |
| */ |
| public void setFilterPath (String string) { |
| filterPath = string; |
| } |
| |
| /** |
| * Sets the flag that the dialog will use to |
| * determine whether to prompt the user for file |
| * overwrite if the selected file already exists. |
| * |
| * @param overwrite true if the dialog will prompt for file overwrite, false otherwise |
| * |
| * @since 3.4 |
| */ |
| public void setOverwrite (boolean overwrite) { |
| this.overwrite = overwrite; |
| } |
| /* Sets URI Mode. |
| * |
| * When the FileDialog is in URI mode it returns |
| * a URI (instead of a file name) for the following |
| * methods: open() and getFilterPath(). |
| * The input argment for setFilterPath() should also |
| * be a URI. |
| */ |
| /*public*/ void setURIMode (boolean uriMode) { |
| this.uriMode = uriMode; |
| } |
| } |