/*

* Copyright (c) 2007-2010 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.sdk.ui.shared;

import java.io.File;

import java.util.List;

import org.eclipse.jface.dialogs.IDialogConstants;

import org.eclipse.jface.dialogs.MessageDialog;

import org.eclipse.jface.dialogs.TrayDialog;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.events.SelectionListener;

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.DirectoryDialog;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.swt.widgets.Text;

import org.eclipse.ui.PlatformUI;

import org.osgi.framework.Version;

import com.nokia.carbide.cpp.internal.api.sdk.ISBSv1BuildInfo;

import com.nokia.carbide.cpp.internal.sdk.core.model.SymbianSDK;

import com.nokia.carbide.cpp.internal.sdk.ui.Messages;

import com.nokia.carbide.cpp.internal.sdk.ui.SDKUIHelpIds;

import com.nokia.carbide.cpp.sdk.core.ISymbianSDK;

import com.nokia.carbide.cpp.sdk.core.SDKCorePlugin;

import com.nokia.carbide.cpp.sdk.core.SymbianSDKFactory;

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

import com.nokia.cpp.internal.api.utils.ui.BrowseDialogUtils;

/**

 * Dialog that allows the user to add a new Symbian OS SDK or custkit

 * to the devices.xml file.

 */

public class AddSDKDialog extends TrayDialog {

	private Text deviceIDtext;

	private Text epocRootText;

	private Button browseEPOCROOTButton;

	/**

	 * Create the dialog

	 * @param parentShell

	 */

	public AddSDKDialog(Shell parentShell) {

		super(parentShell);

	}

	/**

	 * Create contents of the button bar

	 * @param parent

	 */

	@Override

	protected void createButtonsForButtonBar(Composite parent) {

		createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL,

				true);

		createButton(parent, IDialogConstants.CANCEL_ID,

				IDialogConstants.CANCEL_LABEL, false);

	}

	/**

	 * Create contents of the dialog

	 * @param parent

	 */

	@Override

	protected Control createDialogArea(Composite parent) {

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

		final GridLayout gridLayout = new GridLayout();

		gridLayout.numColumns = 3;

		container.setLayout(gridLayout);

		final Label deviceIdLabel = new Label(container, SWT.NONE);

		deviceIdLabel.setToolTipText(Messages.getString("AddSDKDialog.Enter_unique_id_for_sdk")); //$NON-NLS-1$

		deviceIdLabel.setText(Messages.getString("AddSDKDialog.SDK_ID")); //$NON-NLS-1$

		deviceIDtext = new Text(container, SWT.BORDER);

		deviceIDtext.setLayoutData(new GridData(263, SWT.DEFAULT));

		new Label(container, SWT.NONE);

		final Label epocrootLabel = new Label(container, SWT.NONE);

		epocrootLabel.setToolTipText(Messages.getString("AddSDKDialog.Enter_location_where_epoc32_folder")); //$NON-NLS-1$

		epocrootLabel.setText("EPOCROOT:"); //$NON-NLS-1$

		epocRootText = new Text(container, SWT.BORDER);

		epocRootText.setLayoutData(new GridData(263, SWT.DEFAULT));

		browseEPOCROOTButton = new Button(container, SWT.NONE);

		browseEPOCROOTButton.setToolTipText(Messages.getString("AddSDKDialog.Choose_folder_where_epoc32_exists")); //$NON-NLS-1$

		browseEPOCROOTButton.setText(Messages.getString("AddSDKDialog.Browse")); //$NON-NLS-1$

		addButtonListener(browseEPOCROOTButton);

		PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, SDKUIHelpIds.SDK_ADD_DIALOG);

		return container;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)

	 */

	protected void configureShell(Shell shell) {

		super.configureShell(shell);

		shell.setText(Messages.getString("AddSDKDialog.Add_New_SDK")); //$NON-NLS-1$

	}

	/**

	 * Return the initial size of the dialog

	 */

	@Override

	protected Point getInitialSize() {

		//return new Point(428, 256);

		return super.getInitialSize();

	}

	/*

	 * (non-Javadoc)

	 * @see org.eclipse.jface.dialogs.Dialog#okPressed()

	 */

	@Override

	protected void okPressed() {

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

			if (!isValidIDName(deviceIDtext.getText())){

				return;

			}

		} else {

			MessageDialog.openError(getShell(), Messages.getString("AddSDKDialog.Missing_SDK_ID"), Messages.getString("AddSDKDialog.Enter_SDK_ID")); //$NON-NLS-1$ //$NON-NLS-2$

			return;

		}

		if (epocRootText.getText().length() > 1){

			if (HostOS.IS_WIN32 && epocRootText.getText().charAt(1) != ':'){

				MessageDialog.openError(getShell(), Messages.getString("AddSDKDialog.Malformed_EPOCROOT"), Messages.getString("AddSDKDialog.EPOCROOT_drive_spec")); //$NON-NLS-1$ //$NON-NLS-2$

				return;

			}

			if (epocRootText.getText().toUpperCase().endsWith("EPOC32") || epocRootText.getText().toUpperCase().endsWith("EPOC32\\")){ //$NON-NLS-1$ //$NON-NLS-2$

				if (!MessageDialog.openConfirm(getShell(), Messages.getString("AddSDKDialog.Possible_wrong_epocroot"), Messages.getString("AddSDKDialog.EPOCROOT_Should_Point"))){ //$NON-NLS-1$ //$NON-NLS-2$

					return;

				}

			} else {

				File epocRootFile = new File(epocRootText.getText());

				if (!epocRootFile.exists()){

					if (!MessageDialog.openConfirm(getShell(), Messages.getString("AddSDKDialog.EPOCROOT_does_not_exist"), Messages.getString("AddSDKDialog.EPOCROOT_does_not_exist_msg"))){ //$NON-NLS-1$ //$NON-NLS-2$

						return;

					}

				}

				if (epocRootFile.toString().indexOf(" ") != -1){

					// Paths should not have spaces...

					MessageDialog.openError(getShell(), "EPOC Root Contains Spaces", Messages.getString("AddSDKDialog.EPOCROOT_contains_spaces")); //$NON-NLS-1$ //$NON-NLS-2$

					return;

				}

			}

		} else {

			if (epocRootText.getText().length() == 1 && epocRootText.getText().charAt(0) == '\\'){

				// OK - Currently accept only a '\'. May need to reconsider side-effects

			} else {

				MessageDialog.openError(getShell(), Messages.getString("AddSDKDialog.Missing_EPOCROOT"), Messages.getString("AddSDKDialog.Please_enter_an_EPOCROOT")); //$NON-NLS-1$ //$NON-NLS-2$

				return;

			}

		}

		// No objections raised, write the new device entry

		String vendorName = ISBSv1BuildInfo.S60_SDK_NAME;

		Version osVersion = new Version("9.4.0"); //$NON-NLS-1$

		Version sdkVersion = new Version("5.0"); //$NON-NLS-1$

		ISymbianSDK sdk = SymbianSDKFactory.createInstance(deviceIDtext.getText(), 

														   epocRootText.getText(), 

														   vendorName, 

														   osVersion,

		((SymbianSDK)sdk).setEnabled(true);

		SDKCorePlugin.getSDKManager().addSDK(sdk);

		List<ISymbianSDK> sdkList = SDKCorePlugin.getSDKManager().getSDKList();

		if (sdkList != null){

			sdkList.add(sdk);

		}

		super.okPressed();

	}

	/**

	 * Sets the listener event to a button.

	 * 

	 * @param aButton

	 */

	private void addButtonListener(final Button aButton) {

		SelectionListener listener = new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e)  {

				if (e.getSource().equals(browseEPOCROOTButton)) {

					browseEPOCROOT();

				}

			}

		};

		aButton.addSelectionListener(listener);

	}

	private void browseEPOCROOT(){

        DirectoryDialog browseDir = new DirectoryDialog(getShell(), SWT.OPEN);

        browseDir.setMessage(Messages.getString("AddSDKDialog.Choose_location_for_EPOCROOT")); //$NON-NLS-1$

        BrowseDialogUtils.initializeFrom(browseDir, HostOS.IS_WIN32 ? "C:/Symbian/" : null); //$NON-NLS-1$

        String dirText = browseDir.open();

        if (dirText != null){

        	epocRootText.setText(dirText);

        }

	}

	private boolean isValidIDName(String sdkID){

		boolean isValid = true;

		// check for spaces in ID

		if (sdkID.contains(" ")){ //$NON-NLS-1$

			MessageDialog.openError(getShell(), Messages.getString("AddSDKDialog.Invalid_SDK_ID"), Messages.getString("AddSDKDialog.SDK_ID_No_Spaces")); //$NON-NLS-1$ //$NON-NLS-2$

			return false;

		}

		// check that the ID is unique...

		for (ISymbianSDK sdk : SDKCorePlugin.getSDKManager().getSDKList()){

			if (sdk.getUniqueId().equalsIgnoreCase(sdkID)){

				// id already exists, choose a different one...

				MessageDialog.openError(getShell(), Messages.getString("AddSDKDialog.Duplicate_ID"), Messages.getString("AddSDKDialog.Duplicate_ID_Msg")); //$NON-NLS-1$ //$NON-NLS-2$

				return false;

			}

		}

		return isValid;

	}

}