/*

* 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.cdt.internal.debug.launch.ui;

import com.nokia.cdt.debug.cw.symbian.SettingsData;

import com.nokia.cdt.internal.debug.launch.LaunchPlugin;

import com.nokia.cpp.internal.api.utils.core.PathUtils;

import cwdbg.PreferenceConstants;

import org.eclipse.cdt.launch.ui.CLaunchConfigurationTab;

import org.eclipse.core.runtime.*;

import org.eclipse.debug.core.ILaunchConfiguration;

import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;

import org.eclipse.jface.dialogs.Dialog;

import org.eclipse.swt.SWT;

import org.eclipse.swt.graphics.Image;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.ui.PlatformUI;

import java.io.File;

import java.util.*;

public class FileTransferTab extends CLaunchConfigurationTab {

	private FilesBlock fFilesBlock;

	/* (non-Javadoc)

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)

	 */

	public void createControl(Composite parent) {

		Composite comp = new Composite(parent, SWT.NONE);

		setControl(comp);

		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), LaunchTabHelpIds.RUN_MODE_FILE_TRANSFER);

		GridLayout layout= new GridLayout();

		layout.numColumns= 1;

		layout.marginHeight = 0;

		layout.marginWidth = 0;

		comp.setLayout(layout);

		fFilesBlock = new FilesBlock(this);

		fFilesBlock.createControl(comp);

		Control control = fFilesBlock.getControl();

		GridData data = new GridData(GridData.FILL_BOTH);

		data.horizontalSpan = 1;

		data.horizontalIndent = 18;

		data.verticalIndent = 18;

		control.setLayoutData(data);

//		fFilesBlock.restoreColumnSettings(JDIDebugUIPlugin.getDefault().getDialogSettings(), IJavaDebugHelpContextIds.JRE_PREFERENCE_PAGE);

		Dialog.applyDialogFont(parent);

	}

	/* (non-Javadoc)

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)

	 */

	public void setDefaults(ILaunchConfigurationWorkingCopy config) {

	}

	/* (non-Javadoc)

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)

	 */

	public void initializeFrom(ILaunchConfiguration configuration) {

		try {

			List<FileToTransfer> files = new ArrayList<FileToTransfer>();

			String conversionTag = configuration.getAttribute(SettingsData.TARGET_PATH_INCLUDES_FILENAME, "false"); //$NON-NLS-1$

			if (conversionTag.compareToIgnoreCase("true") != 0) { //$NON-NLS-1$

				// needs conversion - add the filename from the host path to the target path which was just a directory

				String filesString = configuration.getAttribute(PreferenceConstants.J_PN_FilesToTransfer, ""); //$NON-NLS-1$

				if (filesString.length() > 0) {

					StringTokenizer tokenizer = new StringTokenizer(filesString, ","); //$NON-NLS-1$

					while (tokenizer.hasMoreTokens()) {

						IPath hp = new Path(tokenizer.nextToken());

						IPath tp = PathUtils.createPath(tokenizer.nextToken());

						// ensure there was no filename before

						if (tp.getFileExtension() == null) {

							tp = tp.append(hp.lastSegment());

						}

						String enabled = tokenizer.nextToken();

						files.add(new FileToTransfer(hp.toOSString(), PathUtils.convertPathToWindows(tp), enabled.compareTo("1") == 0)); //$NON-NLS-1$

					}

				}

			} else {

				String filesString = configuration.getAttribute(PreferenceConstants.J_PN_FilesToTransfer, ""); //$NON-NLS-1$

				if (filesString.length() > 0) {

					StringTokenizer tokenizer = new StringTokenizer(filesString, ","); //$NON-NLS-1$

					while (tokenizer.hasMoreTokens()) {

						String hp = tokenizer.nextToken();

						String tp = tokenizer.nextToken();

						String enabled = tokenizer.nextToken();

						files.add(new FileToTransfer(hp, tp, enabled.compareTo("1") == 0)); //$NON-NLS-1$

					}

				}

			}

			fFilesBlock.setFiles(files);

			if (SettingsData.isAppTRKConfiguration(configuration)) {

				fFilesBlock.getViewer().getControl().setToolTipText(Messages.getString("FileTransferTab.Tooltip")); //$NON-NLS-1$

			}

		} catch (CoreException e) {

			LaunchPlugin.log(e);

		}

	}

	/* (non-Javadoc)

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)

	 */

	public void performApply(ILaunchConfigurationWorkingCopy configuration) {

		FileToTransfer[] files = fFilesBlock.getFiles();

		StringBuilder filesString = new StringBuilder();

		for (int i=0; i<files.length; i++) {

			filesString.append(files[i].getHostPath()).append(",").append(files[i].getTargetPath()).append(",").append(files[i].getEnabled() ? "1" : "0").append(","); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$

		}

		configuration.setAttribute( PreferenceConstants.J_PN_FilesToTransfer, filesString.toString());

	}

	/* (non-Javadoc)

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()

	 */

	public String getName() {

		return Messages.getString("FileTransferTab.1"); //$NON-NLS-1$

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()

	 */

	public Image getImage() {

		return LaunchImages.get(LaunchImages.IMG_VIEW_FILE_TRANSFER_TAB);

	}

	public void dataChanged() {

		updateLaunchConfigurationDialog();

	}

	@Override

	public void activated(ILaunchConfigurationWorkingCopy workingCopy) {

		super.activated(workingCopy);

		// forces page to get focus so that help works without having to select some control first.

		getControl().setFocus();

	}

	@Override

	public boolean isValid(ILaunchConfiguration config) {

		setErrorMessage(null);

		setMessage(null);

		boolean result = super.isValid(config);

		if (result) {

			// if any host files don't exist, set a warning message.

			// note we don't want to do an error here because then

			// they wouldn't be able to kick off the launch.  they be

			// be building before launch which would build the missing

			// files before launching the debugger.

			for (FileToTransfer file : fFilesBlock.getFiles()) {

				if (file.getEnabled()) {

					File hostFile = new Path(file.getHostPath()).toFile();

					if (!fFilesBlock.fileExists(hostFile)) {

						setMessage(Messages.getString("FileTransferTab.HostFilesDontExist")); //$NON-NLS-1$

						break;

					}

				}

			}

		}		

		return result;

	}

}