/*

* 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:

* Definition of NotesEditorPrivate class.

*

*/

// System includes

#include <QDateTime>

#include <HbInstance>

#include <HbMainWindow>

#include <HbView>

#include <HbNotificationDialog>

#include <HbExtendedLocale>

// User includes

#include "noteseditor.h"

#include "noteseditor_p.h"

#include "notesnoteeditor.h"

#include "notestodoeditor.h"

#include "agendautil.h"

#include "agendaentry.h"

/*!

	\class NotesEditorPrivate

	TODO: description here

 */

/*!

	Constructor.

	\param agendaUtil pointer to agenda utility

	\param parent QObject pointer.

 */

NotesEditorPrivate::NotesEditorPrivate(AgendaUtil *agendaUtil, QObject *parent)

:QObject(parent),

 mSaveEntry(true),

 mNoteId(0)

{

	// First get the q-pointer.

	q_ptr = static_cast<NotesEditor *> (parent);

	// Here we check if the agendautil passed by the client is 0. If so, then we

	// construct our own.

	if (!agendaUtil) {

		mAgendaUtil = new AgendaUtil(this);

		mOwnsAgendaUtil = true;

	} else {

		mAgendaUtil = agendaUtil;

		mOwnsAgendaUtil = false;

	}

	// Here we register for changes in the DB.

	connect(

			mAgendaUtil, SIGNAL(entriesChanged(QList<ulong> )),

			this, SLOT(handleEntriesChanged(QList<ulong> )));

}

/*!

	Destructor.

 */

NotesEditorPrivate::~NotesEditorPrivate()

{

	if (mOwnsAgendaUtil) {

		delete mAgendaUtil;

		mAgendaUtil = 0;

	}

	if (mTranslator) {

		delete mTranslator;

		mTranslator = 0;

	}

}

/*!

	Shows the noteseditor. The argument acts as the description for the note.

	\param string reference to file string/buffer

 */

void NotesEditorPrivate::edit(const QString &string)

{

	// Create a agenda entry by setting the text as description for the note.

	AgendaEntry newNote;

	newNote.setType(AgendaEntry::TypeNote);

	newNote.setDescription(string);

	mNewEntry = true;

	// Construct note editor.

	mNoteEditor = new NotesNoteEditor(this);

	mOriginalNote = mModifiedNote = newNote;

	// launch note editor

	mNoteEditor->execute(newNote);

}

/*!

	Shows the noteseditor by parsing a .vcs which could be of a To-do or a plain

	.txt file which will be edited as a note.

	\param handle reference to QFile handle.

 */

void NotesEditorPrivate::edit(const QFile &handle)

{

	Q_UNUSED(handle)

}

/*!

	Shows the noteseditor, by parsing an AgendaEntry.

	\param entry An object of AgendaEntry.

 */

void NotesEditorPrivate::edit(AgendaEntry entry)

{

	// Check if its a new note or a note being edited.

	if (0 < entry.id()) {

		mNewEntry = false;

		mNoteId = entry.id();

	} else {

		mNewEntry = true;

		mNoteId = 0;

	}

	if (entry.type()== AgendaEntry::TypeNote) {

		mOriginalNote = mModifiedNote = entry;

		// Construct note editor.

		mNoteEditor = new NotesNoteEditor(this);

		// launch note editor

		mNoteEditor->execute(entry);

	} else if (entry.type() == AgendaEntry::TypeTodo) {

		mOriginalNote = mModifiedNote = entry;

		// Construct to-do editor.

		mTodoEditor = new NotesTodoEditor(this);

		// launch to-do editor

		mTodoEditor->execute(entry);

	} else {

		// Invalid entry type.

		return;

	}

}

/*!

	Shows the noteseditor, by fetching the note using the entry id provided.

	\param id entry id of the note.

 */

void NotesEditorPrivate::edit(ulong id)

{

	// Fetch the entry using the id provided

	AgendaEntry entry = mAgendaUtil->fetchById(id);

	if (!entry.isNull()) {

		// Edit the agenda entry based on the entry type.

		edit(entry);

	} else {

		// Invalid entry.

		return;

	}

}

/*!

	Creates a new note or to-do based on the create type.It lanuches the

	respective editors for editing

	\type type of the editor to be shown for creating new note and new to-do

 */

void NotesEditorPrivate::create(NotesEditor::CreateType type)

{

	switch(type) {

		case NotesEditor::CreateNote: {

			AgendaEntry entry;

			// Construct note editor.

			mNoteEditor = new NotesNoteEditor(this);

			// Set the type as Note.

			entry.setType(AgendaEntry::TypeNote);

			mOriginalNote = mModifiedNote = entry;

			mNewEntry = true;

			// Launch the notes editor

			mNoteEditor->execute(mModifiedNote);

		}

		break;

		case NotesEditor::CreateTodo: {

			AgendaEntry entry;

			// Construct to-do editor.

			mTodoEditor = new NotesTodoEditor(this);

			// Set the attributes for the to-do entry

			entry.setType(AgendaEntry::TypeTodo);

			entry.setStatus(AgendaEntry::TodoNeedsAction);

			entry.setPriority(2);

			QDateTime dueDateTime =

					QDateTime(

							QDate::currentDate(),

							QTime::fromString("12:00 am", "hh:mm ap"));

			entry.setStartAndEndTime(dueDateTime, dueDateTime);

			mOriginalNote = mModifiedNote = entry;

			mNewEntry = true;

			// Launch the to-do editor.

			mTodoEditor->execute(entry);

		}

		break;

		case NotesEditor::CreateTypeUnKnown:

		break;

		default:

		break;

	}

}

/*!

	Closes the notes editor based on the close type

	\param type type of the close requested by the client

 */

ulong NotesEditorPrivate::close(NotesEditor::CloseType type)

{

	switch (type) {

		case NotesEditor::CloseWithSave: {

			if (AgendaEntry::TypeNote == mModifiedNote.type()) {

				// Save the note created/edited in notes editor.

				saveNote();

				// Close the notes editor

				mNoteEditor->close();

				mNoteEditor->deleteLater();

			} else if (AgendaEntry::TypeTodo == mModifiedNote.type()) {

				// Save the to-do entry created/edited in to-do editor.

				saveTodo();

				// Close the to-do editor

				mTodoEditor->close();

				mTodoEditor->deleteLater();

			}

		}

		break;

		case NotesEditor::CloseWithoutSave: {

			if (AgendaEntry::TypeNote == mModifiedNote.type()) {

				// Close the notes editor

				mNoteEditor->close();

				mNoteEditor->deleteLater();

			} else if (AgendaEntry::TypeTodo == mModifiedNote.type()) {

				// Close the to-do editor

				mTodoEditor->close();

				mTodoEditor->deleteLater();

			}

			mNoteId = 0;

		}

		break;

		case NotesEditor::CloseTypeUnKnown:

		default:

			mNoteId = 0;

		break;

	}

	return mNoteId;

}

/*!

	Retruns the dateformat based current locale settings.

	Common method can be used by any class.

	Can be removed once format strings are defined in hb.

 */

QString NotesEditorPrivate::dateFormatString()

{

	HbExtendedLocale locale = HbExtendedLocale::system();

	QString dateFormat;

	switch (locale.dateStyle()) {

		case HbExtendedLocale::American:

			dateFormat.append("MM");

			dateFormat.append(locale.dateSeparator(1));

			dateFormat.append("dd");

			dateFormat.append(locale.dateSeparator(1));

			dateFormat.append("yyyy");

			break;

		case HbExtendedLocale::European:

			dateFormat.append("dd");

			dateFormat.append(locale.dateSeparator(1));

			dateFormat.append("MM");

			dateFormat.append(locale.dateSeparator(1));

			dateFormat.append("yyyy");

			break;

		case HbExtendedLocale::Japanese:

			dateFormat.append("yyyy");

			dateFormat.append(locale.dateSeparator(1));

			dateFormat.append("MM");

			dateFormat.append(locale.dateSeparator(1));

			dateFormat.append("dd");

			break;

	}

	return dateFormat;

}

/*!

	Retruns the timeformat string based on current locale settings

	Common method can be used by any class.

	Can be removed once format strings are defined in hb.

 */

QString NotesEditorPrivate::timeFormatString()

{

	QString timeFormat;

	HbExtendedLocale locale = HbExtendedLocale::system();

	if (locale.timeStyle() == HbExtendedLocale::Time12) {

		timeFormat.append("h");

		timeFormat.append(locale.timeSeparator(1));

		timeFormat.append("mm");

		timeFormat.append(" ap");

	} else {

		timeFormat.append("hh");

		timeFormat.append(locale.timeSeparator(1));

		timeFormat.append("mm");

	}

	return timeFormat;

}

/*!

	Slot which gets called when entries have changed in the db.

 */

void NotesEditorPrivate::handleEntriesChanged(QList<ulong> ids)

{

	if (!mNewEntry) {

		if (ids.contains(mModifiedNote.id())) {

			mSaveEntry = false;

		}

	}

}

/*!

	Handle the case where a note is marked as a to-do.

 */

void NotesEditorPrivate::markNoteAsTodo()

{

	// This function should not be called by any other function except the

	// noteeditor.

	if (mModifiedNote.type() != AgendaEntry::TypeNote) {

		return;

	}

	// Here change the type of modified note and destroy the noteeditor and

	// construct the to-do editor.

	mModifiedNote.setType(AgendaEntry::TypeTodo);

	QDateTime dueDateTime;

	dueDateTime.setDate(QDate::currentDate());

	dueDateTime.setTime(QTime::fromString("12:00 am", "hh:mm ap"));

	mModifiedNote.setStartAndEndTime(dueDateTime, dueDateTime);

	mModifiedNote.setSummary(mNoteEditor->getDescription().left(80));

	if (80 > mNoteEditor->getDescription().length()) {

		mModifiedNote.setDescription("");

	}

	mModifiedNote.setStatus(AgendaEntry::TodoNeedsAction);

	// Set the priority of the to-do as normal

	mModifiedNote.setPriority(2);

	// Remove favourite if marked so.

	mModifiedNote.setFavourite(0);

	// Remove the softkey action of notes editor before opening to-do editor.

	HbMainWindow *window = hbInstance->allMainWindows().first();

	// Launch the to-do editor.

	mTodoEditor = new NotesTodoEditor(this);

	mTodoEditor->execute(mModifiedNote);

	// Now close the noteeditor.

	window->removeView(mNoteEditor->mEditor);

	mNoteEditor->deleteLater();

}

/*!

	A slot used by the notesnoteeditor to update the description when the

	content in the text editor changes.

 */

void NotesEditorPrivate::updateNoteText()

{

	mModifiedNote.setDescription(mNoteEditor->getDescription());

}

/*!

	This deletes the note/to-do being edited/created and closes the editor.

 */

void NotesEditorPrivate::deleteNote()

{

	if (!mNewEntry) {

		// Delete the note. All the changes are discarded.

		mAgendaUtil->deleteEntry(mOriginalNote.id());

	}

	// Destroy the active editor and close.

	if (mModifiedNote.type() == AgendaEntry::TypeNote) {

		mNoteEditor->close();

		mNoteEditor->deleteLater();

	} else {

		mTodoEditor->close();

		mTodoEditor->deleteLater();

	}

}

/*!

	Called when Done is pressed in either note/to-do editor.

 */

bool NotesEditorPrivate::saveNote()

{

	bool status = false;

	QString description = mNoteEditor->getDescription();

	// Check the length. If it is 0, don't create/modify the note.

	if (description.length()) {

		// Save the note here.

		if (mNewEntry) {

			if (AgendaEntry::TypeNote == mModifiedNote.type()) {

				mModifiedNote.setDescription(description);

				mModifiedNote.setLastModifiedDateTime(

						QDateTime(QDate::currentDate(), QTime::currentTime()));

				// Set the creation time as DTStamp time

				mModifiedNote.setDTStamp(

						QDateTime(QDate::currentDate(), QTime::currentTime()));

			} else if (AgendaEntry::TypeTodo == mModifiedNote.type()) {

				mModifiedNote.setSummary(description);

				mModifiedNote.setDescription(description);

				// Set the status of the to-do.

				mModifiedNote.setStatus(AgendaEntry::TodoNeedsAction);

			}

			// Now save the entry.

			mNoteId = mAgendaUtil->addEntry(mModifiedNote);

			if (mNoteId) {

				showNotification(

						hbTrId("txt_notes_dpopinfo_new_note_saved"));

			}

		} else {

			if (mOriginalNote.type() != mModifiedNote.type()) {

				// Entry has been morphed, delete the original one and create

				// the new one with the modified entry data.

				mAgendaUtil->deleteEntry(mOriginalNote.id());

				if (AgendaEntry::TypeNote == mModifiedNote.type()) {

					mModifiedNote.setDescription(description);

				} else if (AgendaEntry::TypeTodo == mModifiedNote.type()) {

					mModifiedNote.setSummary(description);

					mModifiedNote.setDescription(description);

					// Now save the entry.

					mNoteId = mAgendaUtil->addEntry(mModifiedNote);

				}

			} else {

				mModifiedNote.setDescription(description);

				mModifiedNote.setLastModifiedDateTime(

						QDateTime(QDate::currentDate(), QTime::currentTime()));

				if (isNoteEdited()) {

					bool updateStatus = mAgendaUtil->updateEntry(mModifiedNote);

					if (updateStatus) {

						showNotification(

								hbTrId("txt_notes_dpopinfo_note_saved"));

					}

				}

				mNoteId = mModifiedNote.id();

			}

		}

		status = true;

	} else {

		mNoteId = 0;

	}

	return status;

}

/*!

	 Saves a to-do entry

 */

bool NotesEditorPrivate::saveTodo()

{

	if (AgendaEntry::TypeTodo != mModifiedNote.type()) {