/*

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

 * All rights reserved.

 * This component and the accompanying materials are made available

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

 * which accompanies this distribution, and is available

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

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

package com.nokia.carbide.cpp.internal.pi.utils;

import java.io.File;

import java.io.FileOutputStream;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.FileDialog;

import org.eclipse.ui.PlatformUI;

import com.nokia.carbide.cpp.pi.util.GeneralMessages;

public abstract class PIUtilities

{

    private static String previous_path;

	//this is needed by createFileChooser method

    private static String getPath(String fileName)

    {

		if (fileName.length() != 0)

		{

			File file = new File(fileName);

			if (file.exists())

			{

				return fileName.substring(0,fileName.lastIndexOf(System.getProperty(Messages.getString("PIUtilities.fileSeparatorProperty")))); //$NON-NLS-1$

			}

		}

		return ""; //$NON-NLS-1$

    }

	public static String selectAFile()

	{

		//file chooser

		FileDialog fileDialog = new FileDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), SWT.OPEN);

		String tracefileName = fileDialog.open();

	    File selected = new File(tracefileName);

		if ((selected != null) && selected.exists() && selected.isFile()) {

			return selected.getAbsolutePath();

		}

	    return null;

	}

	public static String selectADirectory()

	{

		FileDialog fileDialog = new FileDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), SWT.OPEN);

		String tracefileName = fileDialog.open();

	    File selected = new File(tracefileName);

		if ((selected != null) && selected.exists() && selected.isDirectory()) {

			return selected.getAbsolutePath();

		}

	    return null;

	}

	/*************** stuff moved from profile reader *************/

	public static File getAFile(String filter) throws Exception

	{

	    return getAFile(false, filter);

	}

	//loads and saves a file, TestGUI import menu

	public static File getAFile(boolean new_file, String filter) throws Exception

	{

		if (previous_path == null)

		{

	        previous_path = System.getProperty(Messages.getString("PIUtilities.userDirPropert")); //$NON-NLS-1$

		}

		// get a file via dialog

		// For now, require a .pi or .bap file

		FileDialog fileDialog;

		if (!new_file)

		{

			fileDialog = new FileDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), SWT.SAVE);

		} else {

			fileDialog = new FileDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), SWT.OPEN);

		}

		fileDialog.setFilterPath(previous_path);

	  	if (filter != null && filter.length() != 0) {

	  		PIFileFilter fileFilter = new PIFileFilter(filter);

		    fileDialog.setFilterExtensions(new String[] { "." + filter }); //$NON-NLS-1$

		    String fileFilterName = fileFilter.getDescription();

		    if (fileFilterName != null) {

		    	fileDialog.setFilterNames(new String[] { fileFilterName });

		    }

		}

		String tracefileName = fileDialog.open();

		File selected = null;

		if (tracefileName != null) {

			selected = new File(tracefileName);

			if ((selected != null) && selected.exists()) {

	            if (!new_file)

	            {

		     		if (   (!tracefileName.endsWith(".dat")) //$NON-NLS-1$

		     			&& (!tracefileName.endsWith("base64")) //$NON-NLS-1$

		                && (!tracefileName.endsWith(".bap")) //$NON-NLS-1$

		                && (!tracefileName.endsWith(".map")) //$NON-NLS-1$

		            	   //performance framework files

		                && (!tracefileName.endsWith(".csv")) //$NON-NLS-1$

		                && (!tracefileName.endsWith(".txt"))) //$NON-NLS-1$

		            {

		            	System.out.println(Messages.getString("PIUtilities.notSupported1") + tracefileName + Messages.getString("PIUtilities.notSupported2")); //$NON-NLS-1$ //$NON-NLS-2$

		            	throw new Exception(Messages.getString("PIUtilities.notSupported3") + tracefileName + Messages.getString("PIUtilities.notSupported4")); //$NON-NLS-1$ //$NON-NLS-2$

		            }

	            } else {

	            	// new file

		            if (filter == "jpg") //$NON-NLS-1$

		            {

		            	if (!selected.getName().endsWith(".jpg")) //$NON-NLS-1$

		            	{

		            		selected = new File(selected.getAbsolutePath() + ".jpg"); //$NON-NLS-1$

		            	}

		            }

		            else if (filter == "bap") //$NON-NLS-1$

		            {

		            	if (!selected.getName().endsWith(".bap")) //$NON-NLS-1$

		            	{

		            		selected = new File(selected.getAbsolutePath() + ".bap"); //$NON-NLS-1$

		            	}

		            }

		            else if (filter == "csv") //$NON-NLS-1$

		            {

		            	if (!selected.getName().endsWith(".csv")) //$NON-NLS-1$

		            	{

		            		selected = new File(selected.getAbsolutePath() + ".csv"); //$NON-NLS-1$

		            	}

		            }

	            }

			} else {

				selected = null;

			}

		}

	    if (selected != null) 

	    {

	    	/*config.setLastOpened(selected);*/

	    	previous_path = getPath(selected.toString());

	    }

	    return selected;

	}

	public static void saveCsvPrint(File f, String print) throws Exception

	{

		if (f == null)

			return;

		FileOutputStream fos = new FileOutputStream(f);

		fos.write(print.getBytes(Messages.getString("PIUtilities.defaultCharacterSet"))); //$NON-NLS-1$

		fos.flush();

		fos.close();

	}

	public static void saveFile(File f, String print_data) throws Exception

	{

		if (f == null)

			return;

		FileOutputStream fos = new FileOutputStream(f);

		fos.write(print_data.getBytes(Messages.getString("PIUtilities.defaultCharacterSet"))); //$NON-NLS-1$

		fos.flush();

		fos.close();

	}

    public static boolean isSymbolFileOk(String symbol_file)

    {

      if (symbol_file.endsWith("symbol")) //$NON-NLS-1$

    	{

    		GeneralMessages.showErrorMessage(Messages.getString("PIUtilities.cannotLoadSymbolFile")); //$NON-NLS-1$

    		return false;

    	}

    	return true;

    }

}