/*

* 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.swmtanalyser.dialogs;

import org.eclipse.jface.dialogs.IDialogSettings;

import com.nokia.s60tools.swmtanalyser.SwmtAnalyserPlugin;

/**

 * Helper class to store the selections in Advanced Filter Dialog.

 *

 */

public class SaveFilterOptions {

	public static final String FILTER_OPTION_SECTION = "Filter Selection Section";

	public static final String FILTER_OPTION = "Filter Selection";

	public static final String FILTER_TEXT_SECTION = "Filter Text Section";

	public static final String FILTER_TEXT = "Filter text";

	public static final String EVENTS_SECTION = "Events Section";

	public static final String EVENTS_LIST = "List of events";

	public static final String SEVERITY_SECTION = "Severity Section";

	public static final String SEVERITY_LIST = "List of severities";

	public static final String SIZE_OPTION_SECTION = "Size Selection Section";

	public static final String SIZE_OPTION = "Size Selection";

	public static final String COUNT_OPTION_SECTION = "Count Selection Section";

	public static final String COUNT_OPTION = "Count Selection";

	public static final String SIZES_SECTION = "Sizes Section";

	public static final String TO_FROM_SIZES = "Sizes";

	public static final String COUNTS_SECTION = "Counts Section";

	public static final String TO_FROM_COUNT = "Counts";

	public static enum ValueTypes {FILTER_TYPE, ITEM_TEXT, EVENTS, SEVERITIES, SIZE_TYPE, COUNT_TYPE, SIZES, COUNTS}

	/**

	 * Save selected values

	 * @see #getValues(ValueTypes)

	 * @param key

	 * @param values

	 */

	public void saveValues(ValueTypes key, String[] values) {

		IDialogSettings section = null;

		switch (key) {

		case EVENTS:

			section = getSection(EVENTS_SECTION);

			if(section!=null)

				section.put(EVENTS_LIST, values);

			break;

		case SEVERITIES:

			section = getSection(SEVERITY_SECTION);

			if(section!=null)

				section.put(SEVERITY_LIST, values);

			break;

		case SIZES:

			section = getSection(SIZES_SECTION);

			if(section!=null)

				section.put(TO_FROM_SIZES, values);

			break;

		case COUNTS:

			section = getSection(COUNTS_SECTION);

			if(section!=null)

				section.put(TO_FROM_COUNT, values);

			break;

		default:

			break;

		}

	}

	/**

	 * Get values for type

	 * @see #saveValues(ValueTypes, String[])

	 * @param key

	 * @return values

	 */

	public String[] getValues(ValueTypes key)

	{

		IDialogSettings section = null;

		String[] values = null;

		switch (key) {

		case EVENTS:

			section = getSection(EVENTS_SECTION);

			if(section != null)

				values = section.getArray(EVENTS_LIST);

			break;

		case SEVERITIES:

			section = getSection(SEVERITY_SECTION);

			if(section != null)

				values = section.getArray(SEVERITY_LIST);

			break;

		case SIZES:

			section = getSection(SIZES_SECTION);

			if(section != null)

				values = section.getArray(TO_FROM_SIZES);

			break;

		case COUNTS:

			section = getSection(COUNTS_SECTION);

			if(section != null)

				values = section.getArray(TO_FROM_COUNT);

			break;

		default:

			break;

		}

		return values;		

	}

	/**

	 * Save selected value using that in next time when dialog is opened

	 * @see #getPreviousDropdownOption(ValueTypes)

	 * @see #getValues(ValueTypes) for indexes

	 * @param key

	 * @param index

	 */

	public void saveDropdownOption(ValueTypes key, String index)

	{

		IDialogSettings section = null;

		switch (key) {

		case SIZE_TYPE:

			section = getSection(SIZE_OPTION_SECTION);

			if(section!=null)

				section.put(SIZE_OPTION, index);

			break;

		case COUNT_TYPE:

			section = getSection(COUNT_OPTION_SECTION);

			if(section!=null)

				section.put(COUNT_OPTION, index);

			break;

		case FILTER_TYPE:

			section = getSection(FILTER_OPTION_SECTION);

			if(section!=null)

				section.put(FILTER_OPTION, index);

			break;

		case ITEM_TEXT:

			section = getSection(FILTER_TEXT_SECTION);

			if(section!=null)

				section.put(FILTER_TEXT, index);

			break;

		default:

			break;

		}

	}

	/**

	 * Get previously selected value for type

	 * @see #saveDropdownOption(ValueTypes, String)

	 * @param key

	 * @return previously selected value for type (one of the public constants described in this class).

	 */

	public String getPreviousDropdownOption(ValueTypes key)

	{

		IDialogSettings section = null;

		String index = null;

		switch (key) {

		case SIZE_TYPE:

			section = getSection(SIZE_OPTION_SECTION);

			if(section != null)

				index = section.get(SIZE_OPTION);

			break;

		case COUNT_TYPE:

			section = getSection(COUNT_OPTION_SECTION);

			if(section != null)

				index = section.get(COUNT_OPTION);

			break;

		case FILTER_TYPE:

			section = getSection(FILTER_OPTION_SECTION);

			if(section != null)

				index = section.get(FILTER_OPTION);

			break;

		case ITEM_TEXT:

			section = getSection(FILTER_TEXT_SECTION);

			if(section != null)

				index = section.get(FILTER_TEXT);

			break;

		default:

			break;

		}

		return index;

	}

	/**

	 * @param sectionName name of the section to be retrieved

	 * @return section which maps to given name, in dialog_setting.xml file.

	 */

	protected IDialogSettings getSection(String sectionName) {

		IDialogSettings retVal = null;

		if (SwmtAnalyserPlugin.getDefault().getDialogSettings() != null) {

			 retVal = SwmtAnalyserPlugin.getDefault().getDialogSettings().getSection(sectionName);

			if (retVal == null) {

			 retVal = SwmtAnalyserPlugin.getDefault().getDialogSettings().addNewSection(sectionName);

			}

		}

		return retVal;

	}	

}