| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.internal.carbon.*; |
| |
| /** |
| * 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> |
| * IMPORTANT: This class is intended to be subclassed <em>only</em> |
| * within the SWT implementation. |
| * </p> |
| */ |
| public class FileDialog extends Dialog { |
| String [] filterNames = new String [0]; |
| String [] filterExtensions = new String [0]; |
| String [] fileNames = new String[0]; |
| String filterPath = "", fileName = ""; |
| |
| /** |
| * 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> |
| */ |
| public FileDialog (Shell parent, int style) { |
| super (parent, style); |
| checkSubclass (); |
| } |
| |
| /** |
| * Returns the path of the first file that was |
| * selected in the dialog relative to the filter path |
| * |
| * @return the relative path of the file |
| */ |
| public String getFileName () { |
| return fileName; |
| } |
| |
| /** |
| * Returns 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; |
| } |
| |
| /** |
| * Returns the file names which the dialog will |
| * use to filter the files it shows. |
| * |
| * @return the file name filter |
| */ |
| public String [] getFilterNames () { |
| return filterNames; |
| } |
| |
| /** |
| * Returns the directory path that the dialog will use. |
| * 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; |
| } |
| |
| /** |
| * 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 () { |
| String fullPath = null; |
| fileNames = new String [0]; |
| |
| int titlePtr = 0; |
| if (title != null) { |
| char [] buffer = new char [title.length ()]; |
| title.getChars (0, buffer.length, buffer, 0); |
| titlePtr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); |
| } |
| int fileNamePtr = 0; |
| if (fileName != null) { |
| char [] buffer = new char [fileName.length ()]; |
| fileName.getChars (0, buffer.length, buffer, 0); |
| fileNamePtr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); |
| } |
| |
| NavDialogCreationOptions options = new NavDialogCreationOptions (); |
| options.windowTitle = options.clientName = titlePtr; |
| options.parentWindow = OS.GetControlOwner (parent.handle); |
| options.optionFlags = OS.kNavSupportPackages | OS.kNavAllowInvisibleFiles; |
| options.location_h = -1; |
| options.location_v = -1; |
| options.saveFileName = fileNamePtr; |
| |
| int [] outDialog = new int [1]; |
| if ((style & SWT.SAVE) != 0) { |
| // NEEDS WORK - filter extensions, start in filter path, allow user |
| // to select existing files. |
| OS.NavCreatePutFileDialog (options, 0, 0, 0, 0, outDialog); |
| } else { |
| if ((style & SWT.MULTI) != 0) options.optionFlags |= OS.kNavAllowMultipleFiles; |
| // NEEDS WORK - filter extensions, start in filter path, select file name if it exists |
| OS.NavCreateGetFileDialog(options, 0, 0, 0, 0, 0, outDialog); |
| } |
| if (outDialog [0] != 0) { |
| OS.NavDialogRun (outDialog [0]); |
| int action = OS.NavDialogGetUserAction (outDialog [0]); |
| switch (action) { |
| case OS.kNavUserActionOpen: |
| case OS.kNavUserActionChoose: |
| case OS.kNavUserActionSaveAs: { |
| NavReplyRecord record = new NavReplyRecord (); |
| OS.NavDialogGetReply (outDialog [0], record); |
| AEDesc selection = new AEDesc (); |
| selection.descriptorType = record.selection_descriptorType; |
| selection.dataHandle = record.selection_dataHandle; |
| int [] count = new int [1]; |
| OS.AECountItems (selection, count); |
| if (count [0] > 0) { |
| fileNames = new String [count [0]]; |
| int maximumSize = 80; // size of FSRef |
| int dataPtr = OS.NewPtr (maximumSize); |
| int[] aeKeyword = new int [1]; |
| int[] typeCode = new int [1]; |
| int[] actualSize = new int [1]; |
| int pathString = 0; |
| int fullString = 0; |
| int fileString = 0; |
| |
| if ((style & SWT.SAVE) != 0) { |
| if (OS.AEGetNthPtr (selection, 1, OS.typeFSRef, aeKeyword, typeCode, dataPtr, maximumSize, actualSize) == OS.noErr) { |
| byte[] fsRef = new byte[actualSize[0]]; |
| OS.memcpy (fsRef, dataPtr, actualSize [0]); |
| int pathUrl = OS.CFURLCreateFromFSRef (OS.kCFAllocatorDefault, fsRef); |
| int fullUrl = OS.CFURLCreateCopyAppendingPathComponent(OS.kCFAllocatorDefault, pathUrl, record.saveFileName, false); |
| pathString = OS.CFURLCopyFileSystemPath(pathUrl, OS.kCFURLPOSIXPathStyle); |
| fullString = OS.CFURLCopyFileSystemPath(fullUrl, OS.kCFURLPOSIXPathStyle); |
| fileString = record.saveFileName; |
| OS.CFRelease (pathUrl); |
| OS.CFRelease (fullUrl); |
| } |
| } else { |
| for (int i = 0; i < count [0]; i++) { |
| if (OS.AEGetNthPtr (selection, i+1, OS.typeFSRef, aeKeyword, typeCode, dataPtr, maximumSize, actualSize) == OS.noErr) { |
| byte[] fsRef = new byte[actualSize[0]]; |
| OS.memcpy (fsRef, dataPtr, actualSize [0]); |
| int url = OS.CFURLCreateFromFSRef (OS.kCFAllocatorDefault, fsRef); |
| if (i == 0) { |
| int pathUrl = OS.CFURLCreateCopyDeletingLastPathComponent(OS.kCFAllocatorDefault, url); |
| pathString = OS.CFURLCopyFileSystemPath (pathUrl, OS.kCFURLPOSIXPathStyle); |
| fullString = OS.CFURLCopyFileSystemPath (url, OS.kCFURLPOSIXPathStyle); |
| fileString = OS.CFURLCopyLastPathComponent (url); |
| OS.CFRelease (pathUrl); |
| } else { |
| int lastString = OS.CFURLCopyLastPathComponent (url); |
| int length = OS.CFStringGetLength (lastString); |
| char [] buffer= new char [length]; |
| CFRange range = new CFRange (); |
| range.length = length; |
| OS.CFStringGetCharacters (lastString, range, buffer); |
| fileNames [i] = new String (buffer); |
| OS.CFRelease (lastString); |
| } |
| OS.CFRelease (url); |
| } |
| } |
| } |
| OS.DisposePtr (dataPtr); |
| |
| if (pathString != 0) { |
| int length = OS.CFStringGetLength (pathString); |
| char [] buffer= new char [length]; |
| CFRange range = new CFRange (); |
| range.length = length; |
| OS.CFStringGetCharacters (pathString, range, buffer); |
| OS.CFRelease (pathString); |
| filterPath = new String (buffer); |
| } |
| if (fullString != 0) { |
| int length = OS.CFStringGetLength (fullString); |
| char [] buffer= new char [length]; |
| CFRange range = new CFRange (); |
| range.length = length; |
| OS.CFStringGetCharacters (fullString, range, buffer); |
| OS.CFRelease (fullString); |
| fullPath = new String (buffer); |
| } |
| if (fileString != 0) { |
| int length = OS.CFStringGetLength (fileString); |
| char [] buffer= new char [length]; |
| CFRange range = new CFRange (); |
| range.length = length; |
| OS.CFStringGetCharacters (fileString, range, buffer); |
| OS.CFRelease (fileString); |
| fileName = fileNames [0] = new String (buffer); |
| } |
| } |
| } |
| } |
| } |
| |
| if (titlePtr != 0) OS.CFRelease (titlePtr); |
| if (fileNamePtr != 0) OS.CFRelease (fileNamePtr); |
| if (outDialog [0] != 0) OS.NavDialogDispose (outDialog [0]); |
| |
| return fullPath; |
| } |
| |
| /** |
| * 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. |
| * |
| * @param extensions the file extension filter |
| */ |
| public void setFilterExtensions (String [] extensions) { |
| filterExtensions = extensions; |
| } |
| |
| /** |
| * Sets the file names which the dialog will |
| * use to filter the files it shows to the argument, |
| * which may be null. |
| * |
| * @param names the file name filter |
| */ |
| 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. |
| * |
| * @param string the directory path |
| * |
| * @see #setFilterExtensions |
| */ |
| public void setFilterPath (String string) { |
| filterPath = string; |
| } |
| } |