/*

* Copyright (c) 2007 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.creator.dialogs;

import java.util.Iterator;

import java.util.Vector;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Shell;

import com.nokia.s60tools.creator.components.AbstractComponent;

import com.nokia.s60tools.creator.components.AbstractValue;

import com.nokia.s60tools.creator.components.AbstractVariables;

import com.nokia.s60tools.creator.components.AbstractValue.ModeTypes;

import com.nokia.s60tools.creator.components.filetype.FileType;

import com.nokia.s60tools.creator.components.filetype.FileTypeValue;

import com.nokia.s60tools.creator.components.filetype.FileTypeVariables;

import com.nokia.s60tools.creator.core.CreatorEditorSettings;

import com.nokia.s60tools.creator.editors.IComponentProvider;

/**

 *

 */

public class FileTypeDialog extends AbstractDialog {

	public FileTypeDialog(Shell sh, IComponentProvider provider) {

		super(sh, provider);

		init();

	}

	/**

	 * Initialize, creates Contact object

	 */

	private void init(){

		if(getComponent() == null){

			AbstractComponent comp = new FileType(AbstractComponent.NULL_ID);

			setComponent(comp);

		}		

	}

	protected FileType createNewComponent(){

		return new FileType(AbstractComponent.NULL_ID);

	}

	protected FileTypeValue createNewValue(String type, String value, String random, String amount) {

		int amout_ = 0;

		ModeTypes random_ = ModeTypes.RandomTypeNotRandom;

		String value_ = value;

		//If amount is set

		if(amount != null && amount.trim().length() > 0){

			amout_ = Integer.parseInt(amount);

		}

		//if random is selected

		if(random != null && random.trim().length() > 0 && !random.equals(AbstractValue.EMPTY_STRING)){

			random_ = AbstractValue.getModeTypeByText(random);

			if(random_ != ModeTypes.RandomTypeNotRandom){

				value_ = AbstractValue.RANDOM_TEXT;

			}

		}

		return new FileTypeValue(value_, random_, amout_);

	}

	/* (non-Javadoc)

	 * @see com.nokia.s60tools.creator.dialogs.AbstractDialog#getItemValueAsString()

	 */

	protected String[] getItemTypesAsString() {

		return FileTypeVariables.getInstance().getItemValuesAsString();

	}

	/* Creating all items to dialog area

	 * (non-Javadoc)

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

	 */

	protected Control createDialogArea(Composite parent) {

		Composite composite = createDialogAreaComposite(parent);

		//Create Amount area

		createAmountArea(composite);

		//Create table area

		createTableArea(composite);		

		if(isAmountFieldsEnabled() ){

			addInformation(composite, AMOUNT_FIELD_INFO_TEXT);

		}		

		String possibleValuesInfoText = "If '" +FileTypeVariables.TYPE +"' is left empty, an empty '"+FileTypeVariables.DIR +"' will be created.";

		addInformation(composite, possibleValuesInfoText);		

		//Add help text for date-time fields

		addInformation(composite, AbstractVariables.DATE_TIME_AND_DATE_FORMAT_HELP_TEXT);

		//Format help text for accumulated and interval, format is: P1Y2M3DT4H5M6S (Iso8601).

		//@see http://en.wikipedia.org/wiki/ISO_8601#Durations		

		addInformation(composite, FileTypeVariables.DURATIONS_HELP_TEXT);		

		if(wasErrors()){

			showErrorDialog("Errors occured when dialog opened", getErrors());

		}		

		return composite;

	}

	/* (non-Javadoc)

	 * @see com.nokia.s60tools.creator.dialogs.AbstractDialog#okPressed()

	 */

	protected void okPressed() {

		super.okPressed();

		//Checking if there are encryption parameters but not type set						

		Vector<AbstractValue> enc = getComponent().getAttribute(FileTypeVariables.ENCRYPTION_TYPE);

		//Check If DRM_FL or DRM_CD is selected 

		boolean isDRMCDorRandom = false;

		if(enc != null){

			for (Iterator<AbstractValue> iterator = enc.iterator(); iterator.hasNext();) {

				AbstractValue val = (AbstractValue) iterator.next();

				if(FileTypeVariables.DRM_CD.equalsIgnoreCase(val.getValue())){

					isDRMCDorRandom = true;

				}else if(CreatorEditorSettings.isRandomText(val.getValue())){

					isDRMCDorRandom = true;

				}	

			}

		}

		//If encryption type has not been set or its set to DRM_FL, and there is at least one encryption item set, showing warning dialog

		if(enc == null ||  enc.isEmpty() || !isDRMCDorRandom){

			if(hasEncryptionItem()){

				//Showing warning dialog 

				showWarningDialog("Check " +FileTypeVariables.ENCRYPTION_TYPE, 

						"There is at least one '" +FileTypeVariables.DRM_CD +"' encryption parameter set, but '" +FileTypeVariables.ENCRYPTION_TYPE

						+"' is not set to '" +FileTypeVariables.DRM_CD +"'. All encryption parameters will lost on save if '" +FileTypeVariables.ENCRYPTION_TYPE

						+"' is not set to '" +FileTypeVariables.DRM_CD +"'. You can open dialog with 'Edit' -button and set '" +FileTypeVariables.ENCRYPTION_TYPE

						+"' to '" +FileTypeVariables.DRM_CD +"'.");			

			}

		}

	}

	/**

	 * Check if in this file has on item of encryption

	 * @return <code>true</code> if has at least one

	 */

	private boolean hasEncryptionItem() {

		return (hasEncryptionItem(FileTypeVariables.PRINT_KEYS)

		|| hasEncryptionItem(FileTypeVariables.DISPLAY_KEYS)

		|| hasEncryptionItem(FileTypeVariables.EXECUTE_KEYS)

		|| hasEncryptionItem(FileTypeVariables.PLAY_KEYS));

	}

	/**

	 * Check if one of given encryption items found in this file

	 * @param keys

	 * @return <code>true</code> if file has one of keys

	 */

	boolean hasEncryptionItem(String [][] keys){

		for (int i = 0; i < keys[0].length; i++) {

			String id = keys[0][i];

			String value = getComponent().getValueById(id);

			Vector<AbstractValue> enc = getComponent().getAttribute(value);			

			if(enc != null && !enc.isEmpty()){

				return true;

			}				

		}		

		return false;

	}

}