/*

* 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 "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.s60tools.imaker.internal.viewers;

import java.io.File;

import org.eclipse.core.runtime.IPath;

import org.eclipse.core.runtime.Path;

import org.eclipse.jface.dialogs.StatusDialog;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.ModifyEvent;

import org.eclipse.swt.events.ModifyListener;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.graphics.Point;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.FileDialog;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.swt.widgets.Text;

import com.nokia.s60tools.imaker.IMakerUtils;

import com.nokia.s60tools.imaker.Messages;

import com.nokia.s60tools.imaker.internal.model.FileToImage;

public class AddEditFileToTransferDialog extends StatusDialog {

	private FileToImage fFile;

	private Text hostPath;

	private Button hostBrowse;

	private Text targetPath;

	/**

	 * Create the dialog

	 * @param parent

	 * @param file

	 */

	public AddEditFileToTransferDialog(Shell parent, FileToImage file) {

		super(parent);

		setShellStyle(getShellStyle() | SWT.RESIZE);

		fFile = file;

	}

	/**

	 * @see Windows#configureShell

	 */

	protected void configureShell(Shell newShell) {

		super.configureShell(newShell);

//		PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, LaunchTabHelpIds.RUN_MODE_FILE_TRANSFER_DIALOG);

	}		

	/* (non-Javadoc)

	 * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)

	 */

	protected Control createDialogArea(Composite parent) {

		initializeDialogUnits(parent);

		Composite composite= (Composite) super.createDialogArea(parent);

		GridLayout layout = (GridLayout) composite.getLayout();

		layout.numColumns = 2;

		final Label hostLabel = new Label(composite, SWT.NONE);

		hostLabel.setText(Messages.getString("AddEditFileToTransferDialog.1")); //$NON-NLS-1$

		GridData data = new GridData(GridData.FILL, GridData.CENTER, true, false);

		data.horizontalSpan = 2;

		hostLabel.setLayoutData(data);

		hostLabel.setToolTipText(Messages.getString("AddEditFileToTransferDialog.2")); //$NON-NLS-1$

		hostPath = new Text(composite, SWT.BORDER);

		hostPath.setText(fFile.getHostPath());

		data = new GridData(GridData.FILL, GridData.CENTER, true, false);

		hostPath.setLayoutData(data);

		hostPath.setToolTipText(Messages.getString("AddEditFileToTransferDialog.2")); //$NON-NLS-1$

		hostPath.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent e) {

				checkValues();

			}

		});

		hostBrowse = new Button(composite, SWT.PUSH);

		hostBrowse.setFont(parent.getFont());

		hostBrowse.setText(Messages.getString("AddEditFileToTransferDialog.3")); //$NON-NLS-1$

		data = new GridData();

		hostBrowse.setLayoutData(data);	

		hostBrowse.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent evt) {

				FileDialog dialog = new FileDialog(getShell(), SWT.NONE);

				dialog.setText(Messages.getString("AddEditFileToTransferDialog.4")); //$NON-NLS-1$

				dialog.setFilterExtensions(new String[] {"*"}); //$NON-NLS-1$

				dialog.setFilterNames(new String[] {Messages.getString("AddEditFileToTransferDialog.11")}); //$NON-NLS-1$

				String result = dialog.open();

				if (result != null) {

					IPath path = new Path(result);

					if (path.toFile().exists()) {

						hostPath.setText(result);

						// if target path is empty, set it to something useful here.

						if (targetPath.getText().trim().length() < 1) {

							String tp = IMakerUtils.getFixedTargetPath(path);

							targetPath.setText(tp);

						}

					}

				}

			}

		});

		final Label targetLabel = new Label(composite, SWT.NONE);

		targetLabel.setText(Messages.getString("AddEditFileToTransferDialog.5")); //$NON-NLS-1$

		data = new GridData(GridData.FILL, GridData.CENTER, true, false);

		data.horizontalSpan = 2;

		targetLabel.setLayoutData(data);

		targetLabel.setToolTipText(Messages.getString("AddEditFileToTransferDialog.6")); //$NON-NLS-1$

		targetPath = new Text(composite, SWT.BORDER);

		targetPath.setText(fFile.getTargetPath());

		data = new GridData(GridData.FILL, GridData.CENTER, true, false);

		targetPath.setLayoutData(data);

		targetPath.setToolTipText(Messages.getString("AddEditFileToTransferDialog.6")); //$NON-NLS-1$

		targetPath.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent e) {

				checkValues();

			}

		});

		applyDialogFont(composite);		

		return composite;

	}

	public void create() {

		super.create();

		checkValues();

	}

	protected void okPressed() {

		fFile.setHostPath(hostPath.getText());

		fFile.setTargetPath(targetPath.getText());

		super.okPressed();

	}

	/* (non-Javadoc)

	 * @see org.eclipse.jface.window.Window#getInitialSize()

	 */

	protected Point getInitialSize() {

		Point size = super.getInitialSize();

		// set the initial size for the add dialog.  note that when editing it

		// automatically sizes it based on the length of the text in the edit boxes

		if (hostPath.getText().trim().length() == 0) {

			size.x *= 3;

		}

		return size;

	}

	protected void checkValues() {

		StatusInfo status= new StatusInfo();

		status.setOK();

		String hp = hostPath.getText().trim();

		if (hp.length() > 0) {

			if (!new File(hp).exists()) {

				status.setError(Messages.getString("AddEditFileToTransferDialog.7")); //$NON-NLS-1$

			}

		}

		else {

			status.setError(Messages.getString("AddEditFileToTransferDialog.8")); //$NON-NLS-1$

		}

		// if we already have an error then no need to check the rest of the stuff

		if (status.isOK()) {

			String tp = targetPath.getText().trim();

			if (tp.length() > 0) {

				if (tp.length() < 3) {

					status.setError(Messages.getString("AddEditFileToTransferDialog.9")); //$NON-NLS-1$					

				} else {

//					char drive = tp.charAt(0);

//					char colon = tp.charAt(1);

//					if (!Character.isLetter(drive) || colon != ':') { 

//						status.setError(Messages.getString("AddEditFileToTransferDialog.9")); //$NON-NLS-1$

//					}

					// we really want the target file path, not just a directory.  but we do allow directories for

					// backwards compatibility, but only when they end in a path delimiter.  so if the target path

					// does not end in a path delimiter, and there is no file extension, warn them that we think

					// this is just a file without an extension and not a directory.

					IPath path = new Path(tp);

					if (!path.hasTrailingSeparator() && path.getFileExtension() == null) {

						status.setWarning(Messages.getString("AddEditFileToTransferDialog.12")); //$NON-NLS-1$

					}

				}

			}

			else {

				status.setError(Messages.getString("AddEditFileToTransferDialog.10")); //$NON-NLS-1$

			}

		}

		updateStatus(status);		

	}

}