/*

 * 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.actions;

import java.text.DecimalFormat;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.FocusAdapter;

import org.eclipse.swt.events.FocusEvent;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.events.SelectionListener;

import org.eclipse.swt.graphics.GC;

import org.eclipse.swt.graphics.Point;

import org.eclipse.swt.graphics.Rectangle;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Display;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.swt.widgets.Text;

import com.nokia.carbide.cpp.pi.editors.PIPageEditor;

public class EventDialog

{

	private String eventName;

	private String eventComment;

	private long   eventTime;

	private String newEventName;

	private String newEventComment;

	private long   newEventTime;

	private Shell shell;

	private Label label;

	private GridData gridData;

	DecimalFormat timeFormat = new DecimalFormat(Messages.getString("EventDialog.timeFormat")); //$NON-NLS-1$

	private Text nameText;

//	private Text typeText;

	private Text commentText;

	private Text timeText;

	public EventDialog(Display display, String eventType, String name, String comment, long time)

	{

		showDialog(display, eventType, name, comment, time, false);

	}

	public EventDialog(Display display, String eventType, String name, String comment, long time, boolean timeChange)

	{

		showDialog(display, eventType, name, comment, time, timeChange);

	}

	private void showDialog(Display display, String type, String name, String comment, long time,

							boolean timeChange)

	{

		// store original values

		this.eventName    = name;

		this.eventComment = comment;

		this.eventTime    = time;

		this.newEventName    = name;

		this.newEventComment = comment;

		this.newEventTime    = time;

		// create the shell

		shell = new Shell(display, SWT.APPLICATION_MODAL | SWT.DIALOG_TRIM);

		shell.setText(type + Messages.getString("EventDialog.event1") + eventName + Messages.getString("EventDialog.event2") + eventTime/1000d + Messages.getString("EventDialog.event3")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$

		shell.setLayout(new GridLayout(2, true));

		// do let them change the name

		label = new Label(shell, SWT.LEFT);

		label.setText(Messages.getString("EventDialog.eventName")); //$NON-NLS-1$

		label.setFont(PIPageEditor.helvetica_9);

		nameText = new Text(shell, SWT.BORDER);

		gridData = new GridData(GridData.FILL_HORIZONTAL);

		nameText.setLayoutData(gridData);

		nameText.setFont(PIPageEditor.helvetica_9);

		nameText.setData(Messages.getString("EventDialog.typeName")); //$NON-NLS-1$

		if (eventName == null)

			nameText.setText(""); //$NON-NLS-1$

		else

			nameText.setText(eventName);

		nameText.setEditable(true);

		// add the listener(s)

		nameText.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				newEventName = nameText.getText();

			}

		});

		nameText.addFocusListener(new FocusAdapter() {

			public void focusLost(FocusEvent e) {

				newEventName = nameText.getText();

			}

		});

//		// do not let them change the event type

//		label = new Label(shell, SWT.LEFT);

//		label.setText("Type:");

//		label.setFont(PIPageEditor.helvetica_9);

//

//		typeText = new Text(shell, SWT.NONE);

//		gridData = new GridData(GridData.FILL_HORIZONTAL);

//		typeText.setLayoutData(gridData);

//		typeText.setFont(PIPageEditor.helvetica_9);

//		typeText.setData("Type a type");

//		typeText.setText(type);

//		typeText.setEditable(false);

		// do let them change the comment

		label = new Label(shell, SWT.LEFT);

		label.setText(Messages.getString("EventDialog.comment")); //$NON-NLS-1$

		label.setFont(PIPageEditor.helvetica_9);

		commentText = new Text(shell, SWT.BORDER);

		gridData = new GridData(GridData.FILL_HORIZONTAL);

		commentText.setLayoutData(gridData);

		commentText.setFont(PIPageEditor.helvetica_9);

		commentText.setData(Messages.getString("EventDialog.typeComment")); //$NON-NLS-1$

		if (eventComment == null)

			commentText.setText(""); //$NON-NLS-1$

		else

			commentText.setText(eventComment);

		commentText.setEditable(true);

		// add the listener(s)

		commentText.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				newEventComment = commentText.getText();

			}

		});

		commentText.addFocusListener(new FocusAdapter() {

			public void focusLost(FocusEvent e) {

				newEventComment = commentText.getText();

			}

		});

		// maybe let them change the time

		label = new Label(shell, SWT.LEFT);

		label.setText(Messages.getString("EventDialog.time")); //$NON-NLS-1$

		label.setFont(PIPageEditor.helvetica_9);

		timeText = new Text(shell, SWT.NONE);

		gridData = new GridData(GridData.FILL_HORIZONTAL);

		timeText.setLayoutData(gridData);

		timeText.setFont(PIPageEditor.helvetica_9);

		timeText.setData(Messages.getString("EventDialog.typeTime")); //$NON-NLS-1$

		timeText.setText(timeFormat.format(eventTime/1000d));

		timeText.setEditable(false);

		// add the listener(s)

		timeText.addSelectionListener(new SelectionAdapter() {

			public void widgetDefaultSelected(SelectionEvent e) {

				newEventTime = convert(timeText, newEventTime);

			}

		});

		timeText.addFocusListener(new FocusAdapter() {

			public void focusLost(FocusEvent e) {

				newEventTime = convert(timeText, newEventTime);

			}

		});

		// create the OK button

		Button okButton = new Button(shell, SWT.NONE);

		okButton.setText(Messages.getString("EventDialog.ok")); //$NON-NLS-1$

		gridData = new GridData(GridData.HORIZONTAL_ALIGN_CENTER);

		okButton.setLayoutData(gridData);

		// add the listener(s)

		okButton.addSelectionListener(new SelectionListener(){

			public void widgetSelected(SelectionEvent e) {

				if (   ((eventName == null) && (newEventName != null))

					|| ((eventName != null) && !eventName.equals(newEventName))

					|| ((eventComment == null) && (newEventComment != null))

					|| ((eventComment != null) && !eventComment.equals(newEventComment))

					|| eventTime != newEventTime)

				{

					// the file has changed

					PIPageEditor.currentPageEditor().setDirty();

				}

				shell.close();

			}

			public void widgetDefaultSelected(SelectionEvent e) {

				widgetSelected(e);

			}

		});

		// create the Cancel button

		Button cancelButton = new Button(shell, SWT.NONE);

		cancelButton.setText(Messages.getString("EventDialog.cancel")); //$NON-NLS-1$

		gridData = new GridData(GridData.HORIZONTAL_ALIGN_CENTER);

		cancelButton.setLayoutData(gridData);

		// add the listener(s)

		cancelButton.addSelectionListener(new SelectionListener(){

			public void widgetSelected(SelectionEvent e) {

				newEventName    = eventName;

				newEventComment = eventComment;

				newEventTime    = eventTime;

				shell.close();

			}

			public void widgetDefaultSelected(SelectionEvent e) {

				widgetSelected(e);

			}

		});

		shell.pack();

		shell.open();

		GC gc = new GC(shell);

		Point point = gc.stringExtent(shell.getText());

		gc.dispose();

		Rectangle bounds = shell.getBounds();

		bounds.width = point.x + 100;

		shell.setBounds(bounds);

		while (!shell.isDisposed()) {

			if (!display.readAndDispatch()) {

				display.sleep();

			}

		}

	}

	private long convert(Text text, long currentTime)

	{

		double new_double;

		// convert, catch (NumberFormatException e1)

		try {

			new_double = Double.parseDouble(text.getText().replace(',','.'));

			if (new_double >= 0)

				currentTime = (long) (new_double * 1000);

		} catch (NumberFormatException exc) {

			// just keep the old value

		}

		text.setText(timeFormat.format(currentTime/10/100d));

		return currentTime;

	}

	public String getName()

	{

		return this.eventName;

	}

	public String getComment()

	{

		return this.eventComment;

	}

	public long   getTime()

	{

		return this.eventTime;

	}

	public String getNewName()

	{

		return this.newEventName;

	}

	public String getNewComment()

	{

		return this.newEventComment;

	}

	public long   getNewTime()

	{

		return this.newEventTime;

	}

}