/*

 * 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.wizards.ui;

import org.eclipse.jface.dialogs.Dialog;

import org.eclipse.jface.dialogs.IDialogConstants;

import org.eclipse.jface.dialogs.TitleAreaDialog;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.ModifyEvent;

import org.eclipse.swt.events.ModifyListener;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.events.SelectionListener;

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.carbide.cpp.internal.pi.wizards.ui.util.RofsObySymbolPair;

import com.nokia.carbide.cpp.ui.CarbideUIPlugin;

import com.nokia.carbide.cpp.ui.ICarbideSharedImages;

public class NewPIWizardObySymbolPairDialog extends TitleAreaDialog {

	private RofsObySymbolPair pair = new RofsObySymbolPair();

	// control

	private Composite composite = null;

	private Label obyLabel = null;

	private Composite obyComposite = null;

	private Text obyText = null;

	private Button obyButton = null;

	private Label symbolLabel = null;

	private Composite symbolComposite = null;

	private Text symbolText = null;

	private Button symbolButton = null;

	protected NewPIWizardObySymbolPairDialog(Shell arg0) {

		super(arg0);

		setHelpAvailable(false);

	}

	public Control createDialogArea(Composite parent) {

		setTitle(Messages.getString("NewPIWizardObySymbolPairDialog.rofs.oby.rofs.symbol")); //$NON-NLS-1$

		setTitleImage(CarbideUIPlugin.getSharedImages().getImage(ICarbideSharedImages.IMG_PI_IMPORT_ROM_42_42));

		getShell().setText(Messages.getString("NewPIWizardObySymbolPairDialog.shell.title")); //$NON-NLS-1$

		GridLayout gridLayout = new GridLayout();

		gridLayout.numColumns = 1;

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

		composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		composite.setLayout(gridLayout);

		obyLabel = new Label (composite, SWT.NONE);

		obyLabel.setText(Messages.getString("NewPIWizardObySymbolPairDialog.rofs.oby.file")); //$NON-NLS-1$

		GridLayout obyGridLayout = new GridLayout();

		obyGridLayout.numColumns = 2;

		obyComposite = new Composite(composite, SWT.NONE);

		obyComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		obyComposite.setLayout(obyGridLayout);

		obyText = new Text (obyComposite, SWT.BORDER | SWT.SINGLE);

		obyText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

		obyText.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent arg0) {

				getButton(IDialogConstants.OK_ID).setEnabled(validateAll());

				symbolText.setFocus();

			}

		});

		obyButton = new Button (obyComposite, SWT.NONE);

		obyButton.setText(Messages.getString("NewPIWizardObySymbolPairDialog.browse")); //$NON-NLS-1$

		obyButton.addSelectionListener(new SelectionListener() {

			public void widgetDefaultSelected(SelectionEvent arg0) {

			}

			public void widgetSelected(SelectionEvent arg0) {

				FileDialog dialog = new FileDialog(getShell());

				String[] extensions = {"*.oby"};	//$NON-NLS-1$

				String[] names = {Messages.getString("NewPIWizardObySymbolPairDialog.build.file.extension")}; //$NON-NLS-1$

				dialog.setFilterExtensions(extensions);

				dialog.setFilterNames(names);

				String selectedFilePath = dialog.open();

				if (selectedFilePath != null)  {

					obyText.setText(selectedFilePath);

				}

			}

		});

		symbolLabel = new Label (composite, SWT.NONE);

		symbolLabel.setText(Messages.getString("NewPIWizardObySymbolPairDialog.rofs.symbol.file")); //$NON-NLS-1$

		GridLayout symbolGridLayout = new GridLayout();

		symbolGridLayout.numColumns = 2;

		symbolComposite = new Composite(composite, SWT.NONE);

		symbolComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		symbolComposite.setLayout(obyGridLayout);

		symbolText = new Text (symbolComposite, SWT.BORDER | SWT.SINGLE);

		symbolText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

		symbolText.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent arg0) {

				getButton(IDialogConstants.OK_ID).setEnabled(validateAll());

				symbolText.setFocus();

			}

		});

		symbolButton = new Button (symbolComposite, SWT.NONE);

		symbolButton.setText(Messages.getString("NewPIWizardObySymbolPairDialog.browse")); //$NON-NLS-1$

		symbolButton.addSelectionListener(new SelectionListener() {

			public void widgetDefaultSelected(SelectionEvent arg0) {

			}

			public void widgetSelected(SelectionEvent arg0) {

				FileDialog dialog = new FileDialog(getShell());

				String[] extensions = {"*.symbol"};	//$NON-NLS-1$

				String[] names = {Messages.getString("NewPIWizardObySymbolPairDialog.symbol.file")}; //$NON-NLS-1$

				dialog.setFilterExtensions(extensions);

				dialog.setFilterNames(names);

				String selectedFilePath = dialog.open();

				if (selectedFilePath != null)  {

					symbolText.setText(selectedFilePath);

				}

			}

		});

		// initial state

		validateAll();

		return composite;

	}

	boolean validateAll() {

		setMessage(null);

		setErrorMessage(null);

		symbolText.setEnabled(false);

		symbolButton.setEnabled(false);

		if (obyText.getText().length() > 0) {

			if (obyText.getText().toLowerCase().endsWith(".oby") == false) {	//$NON-NLS-1$

				setErrorMessage(Messages.getString("NewPIWizardObySymbolPairDialog.oby.file.extension.error")); //$NON-NLS-1$

				return false;

			}

			if (new java.io.File(obyText.getText()).exists() == false) {

				setErrorMessage(Dialog.shortenText(Messages.getString("NewPIWizardObySymbolPairDialog.oby.file") + obyText.getText() + Messages.getString("NewPIWizardObySymbolPairDialog.does.not.exist.in.file.system"), obyComposite)); //$NON-NLS-1$ //$NON-NLS-2$

				return false;

			}

			symbolText.setEnabled(true);

			symbolButton.setEnabled(true);

		}

		if (symbolText.getText().length() > 0) {

			if (symbolText.getText().toLowerCase().endsWith(".symbol") == false) {	//$NON-NLS-1$

				setErrorMessage(Messages.getString("NewPIWizardObySymbolPairDialog.symbol.extension.error")); //$NON-NLS-1$

				return false;

			}

			if (new java.io.File(symbolText.getText()).exists() == false) {

				setErrorMessage(Dialog.shortenText(Messages.getString("NewPIWizardObySymbolPairDialog.symbol.file.2") + symbolText.getText() + Messages.getString("NewPIWizardObySymbolPairDialog.does.not.exist.in.file.system.2"), symbolComposite)); //$NON-NLS-1$ //$NON-NLS-2$

				return false;

			}

		}

		return true;

	}

	RofsObySymbolPair getPair() {

		return pair;

	}

	public void okPressed() {

		pair.setObyFile(obyText.getText());

		pair.setSymbolFile(symbolText.getText());

		super.okPressed();

	}

}