// Copyright (c) 2008-2009 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:

// ${file_name}

// 

//

package com.symbian.smt.gui.smtwidgets;

import java.util.ArrayList;

import java.util.List;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.ModifyEvent;

import org.eclipse.swt.events.ModifyListener;

import org.eclipse.swt.layout.FillLayout;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Combo;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Text;

import com.symbian.smt.gui.Helper;

import com.symbian.smt.gui.PersistentDataStore;

import com.symbian.smt.gui.smtwidgets.ValidModelEvent.Type;

public class ModelLabelsWidget extends Composite implements

		ValidModelObservable {

	private Combo distributionTextCombo;

	private Text modelVersionText;

	private Text systemVersionText;

	private Text copyrightTextText;

	private Combo modelVersionTextCombo;

	private Text modelNameText;

	private Text systemNameText;

	private ArrayList<ValidModelDefinedListener> listeners = new ArrayList<ValidModelDefinedListener>();

	/**

	 * Creates a ModelLabelsWidget composite object

	 * 

	 * @return void

	 */

	public ModelLabelsWidget(final Composite parent, int style) {

		super(parent, style);

		this.setLayout(new FillLayout());

		final Composite gridLayoutComposite = new Composite(this, SWT.NONE);

		final GridLayout gridLayout = new GridLayout();

		gridLayout.numColumns = 4;

		gridLayoutComposite.setLayout(gridLayout);

		final Label systemNameLabel = new Label(gridLayoutComposite, SWT.NONE);

		systemNameLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false,

				false));

		systemNameLabel.setText("System Name");

		systemNameText = new Text(gridLayoutComposite, SWT.BORDER);

		systemNameText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true,

				false));

		final Label systemVersionLabel = new Label(gridLayoutComposite,

				SWT.NONE);

		systemVersionLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER,

				false, false));

		systemVersionLabel.setText("System Version");

		systemVersionText = new Text(gridLayoutComposite, SWT.BORDER);

		systemVersionText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER,

				true, false));

		final Label modelNameLabel = new Label(gridLayoutComposite, SWT.NONE);

		modelNameLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false,

				false));

		modelNameLabel.setText("Model Name");

		modelNameText = new Text(gridLayoutComposite, SWT.BORDER);

		modelNameText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true,

				false));

		final Label modelVersionLabel = new Label(gridLayoutComposite, SWT.NONE);

		modelVersionLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER,

				false, false));

		modelVersionLabel.setText("Model Version");

		modelVersionText = new Text(gridLayoutComposite, SWT.BORDER);

		modelVersionText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true,

				false));

		final Label modelVersionTextLabel = new Label(gridLayoutComposite,

				SWT.NONE);

		modelVersionTextLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER,

				false, false));

		modelVersionTextLabel.setText("Model Version Text");

		modelVersionTextCombo = new Combo(gridLayoutComposite, SWT.NONE);

		modelVersionTextCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER,

				true, false));

		final Label distributionTextLabel = new Label(gridLayoutComposite,

				SWT.NONE);

		distributionTextLabel.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER,

				false, false));

		distributionTextLabel.setText("Distribution Text");

		distributionTextCombo = new Combo(gridLayoutComposite, SWT.NONE);

		distributionTextCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER,

				true, false));

		final Label copyrightTextLabel = new Label(gridLayoutComposite,

				SWT.NONE);

		copyrightTextLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER,

				false, false));

		copyrightTextLabel.setText("Copyright Text");

		copyrightTextText = new Text(gridLayoutComposite, SWT.BORDER);

		copyrightTextText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER,

				true, false));

	}

	/**

	 * @see com.symbian.smt.gui.smtwidgets.ValidModelObservable#addModelListener(ValidModelDefinedListener)

	 */

	public void addModelListener(ValidModelDefinedListener listener) {

		synchronized (listeners) {

			listeners.add(listener);

		}

	}

	private void checkDistributionText() {

		if (listeners.size() > 0) {

			Boolean modelDefined = true;

			String message = "";

			Type type = Type.SUCCESS;

			String text = distributionTextCombo.getText().trim();

			if (text.length() > 0) {

				// TODO:BRS:Specify any validation here, such as what to do with

				// the empty string

				// if (xxx) {

				// modelDefined = false;

				// message =

				// "";

				// type = Type.ERROR;

				// }

			}

			ValidModelEvent event = new ValidModelEvent(modelDefined, message,

					type);

			for (ValidModelDefinedListener listener : listeners) {

				listener.validModelDefined(event);

			}

		}

	}

	private void checkModelVersionText() {

		if (listeners.size() > 0) {

			Boolean modelDefined = true;

			String message = "";

			Type type = Type.SUCCESS;

			String text = modelVersionTextCombo.getText().trim();

			if (text.length() > 0) {

				// TODO:BRS:Specify any validation here, such as what to do with

				// the empty string

				// if (xxx) {

				// modelDefined = false;

				// message =

				// "";

				// type = Type.ERROR;

				// }

			}

			ValidModelEvent event = new ValidModelEvent(modelDefined, message,

					type);

			for (ValidModelDefinedListener listener : listeners) {

				listener.validModelDefined(event);

			}

		}

	}

	/**

	 * Returns the copyright text

	 * 

	 * @return String

	 */

	public String getCopyrightText() {

		return copyrightTextText.getText();

	}

	/**

	 * Returns the distribution text values

	 * 

	 * @return String[]

	 */

	public String[] getDistributionTexts() {

		List<String> items = Helper.toListOfStrings(distributionTextCombo

				.getItems());

		String text = distributionTextCombo.getText().trim();

		if (text.length() > 0) {

			if (!items.contains(text)) {

				items.add(0, text);

			}

		}

		return items.toArray(new String[items.size()]);

	}

	/**

	 * Returns the model name

	 * 

	 * @return String

	 */

	public String getModelName() {

		return modelNameText.getText();

	}

	/**

	 * Returns the text for the model version

	 * 

	 * @return String

	 */

	public String getModelVersion() {

		return modelVersionText.getText();

	}

	/**

	 * Returns the model version text values

	 * 

	 * @return String[]

	 */

	public String[] getModelVersionTexts() {

		List<String> items = Helper.toListOfStrings(modelVersionTextCombo

				.getItems());

		String text = modelVersionTextCombo.getText().trim();

		if (text.length() > 0) {

			if (!items.contains(text)) {

				items.add(0, text);

			}

		}

		return items.toArray(new String[items.size()]);

	}

	/**

	 * Returns the selected distribution text value

	 * 

	 * @return String

	 */

	public String getSelectedDistributionText() {

		return distributionTextCombo.getText();

	}

	/**

	 * Returns the selected model version text value

	 * 

	 * @return String

	 */

	public String getSelectedModelVersionText() {

		return modelVersionTextCombo.getText();

	}

	/**

	 * Returns the system name

	 * 

	 * @return String

	 */

	public String getSystemName() {

		return systemNameText.getText();

	}

	/**

	 * Returns the text for the system version

	 * 

	 * @return String

	 */

	public String getSystemVersion() {

		return systemVersionText.getText();

	}

	public void initialiseDistributionText(PersistentDataStore store) {

		distributionTextCombo.setItems(store.getDistributionTexts());

		distributionTextCombo.setText(store.getSelectedDistributionText());

		distributionTextCombo.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent e) {

				checkDistributionText();

			}

		});

	}

	public void initialiseModelVersionText(PersistentDataStore store) {

		modelVersionTextCombo.setItems(store.getModelVersionTexts());

		modelVersionTextCombo.setText(store.getSelectedModelVersionText());

		modelVersionTextCombo.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent e) {

				checkModelVersionText();

			}

		});

	}

	/**

	 * @see com.symbian.smt.gui.smtwidgets.ValidModelObservable#removeModelListener(ValidModelDefinedListener)

	 */

	public void removeModelListener(ValidModelDefinedListener listener) {

		synchronized (listeners) {

			listeners.remove(listener);

		}

	}

	/**

	 * Sets the text for the copyright text

	 * 

	 * @param copyrightText

	 *            String to be used for the copyright text

	 * @return void

	 */

	public void setCopyrightText(String copyrightText) {

		copyrightTextText.setText(copyrightText);

	}

	/**

	 * Sets the values for the distribution text combo

	 * 

	 * @param distributionText

	 *            String array to be used for the distribution text values

	 * @return void

	 */

	public void setDistributionTexts(String[] distributionTexts) {

		distributionTextCombo.setItems(distributionTexts);

	}

	/**

	 * Sets the text for the model name

	 * 

	 * @param modelName

	 *            String to be used for the model name

	 * @return void

	 */

	public void setModelName(String modelName) {

		modelNameText.setText(modelName);

	}

	/**

	 * Sets the text for the model version

	 * 

	 * @param modelVersion

	 *            String to be used for the model version

	 * @return void

	 */

	public void setModelVersion(String modelVersion) {

		modelVersionText.setText(modelVersion);

	}

	/**

	 * Sets the items for the model version text combo

	 * 

	 * @param modelVersionTexts

	 *            values of the model version text

	 * @return void

	 */

	public void setModelVersionTexts(String[] modelVersionTexts) {

		modelVersionTextCombo.setItems(modelVersionTexts);

	}

	/**

	 * Sets the selected distribution text value

	 * 

	 * @param distributionText

	 *            The distribution text value to set as selected.

	 * @return void

	 */

	public void setSelectedDistributionText(String distributionText) {

		String[] items = distributionTextCombo.getItems();

		int index = 0;

		for (String item : items) {

			if (item.equals(distributionText)) {

				break;

			}

			index++;

		}

		distributionTextCombo.select(index);

	}

	/**

	 * Sets the selected model version text value

	 * 

	 * @param modelVersionText

	 *            The model version text value to set as selected.

	 * @return void

	 */

	public void setSelectedModelVersionText(String modelVersionText) {

		String[] items = modelVersionTextCombo.getItems();

		int index = 0;

		for (String item : items) {

			if (item.equals(modelVersionText)) {

				break;

			}

			index++;

		}

		modelVersionTextCombo.select(index);

	}

	/**

	 * Sets the text for the system name

	 * 

	 * @param systemName

	 *            String to be used for the system name

	 * @return void

	 */

	public void setSystemName(String systemName) {

		systemNameText.setText(systemName);

	}

	/**

	 * Sets the text for the system version

	 * 

	 * @param systemVersion

	 *            String to be used for the system version

	 * @return void

	 */

	public void setSystemVersion(String systemVersion) {

		systemVersionText.setText(systemVersion);

	}

}