bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/DirectoryDialog.java

package org.eclipse.swt.widgets;

/*
 * Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
 * This file is 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
 */

import org.eclipse.swt.internal.carbon.*;
import org.eclipse.swt.*;


public class DirectoryDialog extends Dialog {
	String message = "", filterPath = "";

public DirectoryDialog (Shell parent) {
	this (parent, SWT.APPLICATION_MODAL);
}

public DirectoryDialog (Shell parent, int style) {
	super (parent, style);
	checkSubclass ();
}

public String getFilterPath () {
	return filterPath;
}

public String getMessage () {
	return message;
}

public String open () {
	String directoryPath = null;	
	int titlePtr = 0;
	int messagePtr = 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);
	}
	if (message != null) {
		char [] buffer = new char [message.length ()];
		message.getChars (0, buffer.length, buffer, 0);
		messagePtr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length);
	}

	NavDialogCreationOptions options = new NavDialogCreationOptions ();
	options.parentWindow = OS.GetControlOwner (parent.handle);
	// NEEDS WORK - no title displayed
	options.windowTitle = options.clientName = titlePtr;
	options.optionFlags = OS.kNavSupportPackages | OS.kNavAllowOpenPackages | OS.kNavAllowInvisibleFiles;
	options.message = messagePtr;
	options.location_h = -1;
	options.location_v = -1;
	int [] outDialog = new int [1];
	// NEEDS WORK - use inFilterProc to handle filtering
	if (OS.NavCreateChooseFolderDialog (options, 0, 0, 0, outDialog) == OS.noErr) {
		OS.NavDialogRun (outDialog [0]);
		if (OS.NavDialogGetUserAction (outDialog [0]) == OS.kNavUserActionChoose) {
			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) {
				int [] theAEKeyword = new int [1];
				int [] typeCode = new int [1];
				int maximumSize = 80; // size of FSRef
				int dataPtr = OS.NewPtr (maximumSize);
				int [] actualSize = new int [1];
				int status = OS.AEGetNthPtr (selection, 1, OS.typeFSRef, theAEKeyword, typeCode, dataPtr, maximumSize, actualSize);
				if (status == OS.noErr && typeCode [0] == OS.typeFSRef) {
					byte [] fsRef = new byte [actualSize [0]];
					OS.memcpy (fsRef, dataPtr, actualSize [0]);
					int dirUrl = OS.CFURLCreateFromFSRef (OS.kCFAllocatorDefault, fsRef);
					int dirString = OS.CFURLCopyFileSystemPath(dirUrl, OS.kCFURLPOSIXPathStyle);
					OS.CFRelease (dirUrl);						
					int length = OS.CFStringGetLength (dirString);
					char [] buffer= new char [length];
					CFRange range = new CFRange ();
					range.length = length;
					OS.CFStringGetCharacters (dirString, range, buffer);
					OS.CFRelease (dirString);
					directoryPath = new String (buffer);
				}
				OS.DisposePtr (dataPtr);
			}
		}
	}
	if (titlePtr != 0) OS.CFRelease (titlePtr);	
	if (messagePtr != 0) OS.CFRelease (messagePtr);
	if (outDialog [0] != 0) OS.NavDialogDispose (outDialog [0]);
	return directoryPath;
}

public void setMessage (String string) {
	message = string;
}

public void setFilterPath (String string) {
	filterPath = string;
}
}