/*

* 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 file for NotesCollectionView class.

*

*/

// System includes

#include <QDebug>

#include <HbListWidget>

#include <HbListWidgetItem>

#include <HbAction>

#include <HbTextEdit>

#include <HbInstance>

#include <HbMainWindow>

#include <HbMenu>

#include <HbDialog>

#include <HbLabel>

#include <HbAbstractViewItem>

#include <HbGroupBox>

// User includes

#include "notescollectionview.h"

#include "notescommon.h"

#include "notesdocloader.h"

#include "agendautil.h"

#include "notesmodel.h"

#include "noteseditor.h"

#include "notessortfilterproxymodel.h"

/*!

	\class NotesCollectionView

	\brief The main view of the notes application. Responsible for displaying

			notes and todos.

	\sa NotesViewManager

 */

/*!

	Constructs the NotesCollectionView object.

	\param parent The parent of type QGraphicsWidget.

 */

NotesCollectionView::NotesCollectionView(QGraphicsWidget *parent)

:HbView(parent)

{

	qDebug() << "notes: NotesCollectionView::NotesCollectionView -->";

	// Nothing yet.

	qDebug() << "notes: NotesCollectionView::NotesCollectionView <--";

}

/*!

	Destructor.

 */

NotesCollectionView::~NotesCollectionView()

{

	qDebug() << "notes: NotesCollectionView::~NotesCollectionView -->";

	if (mDocLoader) {

		delete mDocLoader;

		mDocLoader = 0;

	}

	qDebug() << "notes: NotesCollectionView::~NotesCollectionView <--";

}

/*!

	Called by the NotesViewManager after loading the view from the docml.

	The initializaion/setup of the view is done here.

	\param controller The NotesAppController object.

	\param docLoader Pointer to NotesDocLoader object.

 */

void NotesCollectionView::setupView(

		NotesAppControllerIf &controllerIf, NotesDocLoader *docLoader)

{

	qDebug() << "notes: NotesCollectionView::setupView -->";

	mDocLoader = docLoader;

	mAppControllerIf = &controllerIf;

	mNotesModel = mAppControllerIf->notesModel();

	mAgendaUtil = mAppControllerIf->agendaUtil();

	connect(

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

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

	connect(

			mAgendaUtil, SIGNAL(entryAdded(ulong)),

			this, SLOT(updateData(ulong)));

	connect(

			mAgendaUtil, SIGNAL(entryDeleted(ulong)),

			this, SLOT(updateData(ulong)));

	mFavouriteModel = new NotesSortFilterProxyModel(*mAgendaUtil, this);

	mFavouriteModel->setDynamicSortFilter(true);

	mFavouriteModel->setFilterRole(NotesNamespace::FavouriteRole);

	mFavouriteModel->setFilterRegExp(QRegExp("favourites"));

	mFavouriteModel->setSourceModel(mAppControllerIf->notesModel()->sourceModel());

	connect(

			mFavouriteModel, SIGNAL(rowsInserted(QModelIndex, int, int)),

			this, SLOT(updateFavouritesCount(QModelIndex, int, int)));

	connect(

			mFavouriteModel, SIGNAL(rowsRemoved(QModelIndex, int, int)),

			this, SLOT(updateFavouritesCount(QModelIndex, int, int)));

	// Get the list object from the document and update the model.

	mListWidget = static_cast<HbListWidget *> (

			mDocLoader->findWidget("listWidget"));

	connect(

			mListWidget, SIGNAL(activated(HbListWidgetItem *)),

			this, SLOT(handleActivated(HbListWidgetItem *)));

	// Populate the content of the view.

	populateListView();

	// Get the toolbar/menu actions.

	mAllNotesAction = static_cast<HbAction *> (

			mDocLoader->findObject("allNotesAction"));

	Q_ASSERT_X(

			mAllNotesAction,

			"notescollectionview.cpp",

			"Unable to find allNotesAction.");

	connect(

			mAllNotesAction, SIGNAL(triggered()),

			this, SLOT(displayAllNotesView()));

	mViewCollectionAction = static_cast<HbAction *> (

			mDocLoader->findObject("collectionsViewAction"));

	Q_ASSERT_X(

			mViewCollectionAction,

			"notescollectionview.cpp",

			"Unable to find viewCollectionAction.");

	mViewCollectionAction->setCheckable(true);

	mViewCollectionAction->setChecked(true);

	connect(

			mViewCollectionAction, SIGNAL(changed()),

			this, SLOT(handleActionStateChanged()));

	connect(

			mViewCollectionAction, SIGNAL(triggered()),

			this, SLOT(resetCollectionView()));

	mAddNoteAction = static_cast<HbAction *> (

			mDocLoader->findObject("newNoteAction"));

	Q_ASSERT_X(

			mAddNoteAction,

			"notescollectionview.cpp",

			"Unable to find addNoteAction.");

	connect(

			mAddNoteAction, SIGNAL(triggered()),

			this, SLOT(createNewNote()));

	// Check orientation and update the toolbar action's text

	// icons in potriat mode and icons + text in landscape mode.

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

	updateToolbarTexts(window->orientation());

	connect(

			window, SIGNAL(orientationChanged(Qt::Orientation)),

			this, SLOT(updateToolbarTexts(Qt::Orientation)));

	qDebug() << "notes: NotesCollectionView::setupView <--";

}

/*!

	Displays all notes view.

 */

void NotesCollectionView::displayAllNotesView()

{

	qDebug() << "notes: NotesMainView::displayAllNotesView -->";

	// Switch to collections view.

	mAppControllerIf->switchToView(NotesNamespace::NotesMainViewId);

	qDebug() << "notes: NotesMainView::displayAllNotesView <--";

}

/*!

	Refreshes the content of the collection view if needed.

 */

void NotesCollectionView::resetCollectionView()

{

	qDebug() << "notes: NotesCollectionView::resetCollectionView -->";

	QString countString("(%1)");

	// Get the count of to-dos.

	QList<ulong> entries = mAgendaUtil->entryIds(

				(AgendaUtil::FilterFlags)

				(AgendaUtil::IncludeCompletedTodos

				| AgendaUtil::IncludeIncompletedTodos));

	// Update the count of to-do's.

	HbListWidgetItem *item = mListWidget->item(0);

	item->setSecondaryText(countString.arg(QString::number(entries.count())));

	// Get the count of notes.

	entries = mAgendaUtil->entryIds(AgendaUtil::IncludeNotes);

	// Update the count of notes in the view.

	item = mListWidget->item(2);

	item->setSecondaryText(countString.arg(QString::number(entries.count())));

	qDebug() << "notes: NotesCollectionView::resetCollectionView <--";

}

/*!

	Create a new Note

 */

void NotesCollectionView::createNewNote()

{

	qDebug() << "notes: NotesMainView::createNewNote -->";

	// Here we Display an editor to the use to enter text.

	mNotesEditor = new NotesEditor(mAgendaUtil, this);

	connect(

			mNotesEditor, SIGNAL(editingCompleted(bool)),

			this, SLOT(handleEditingCompleted(bool)));

	mNotesEditor->create(NotesEditor::CreateNote);

	qDebug() << "notes: NotesMainView::createNewNote <--";

}

/*!

	Handles editing complete of the notes editor

 */

void NotesCollectionView::handleEditingCompleted(bool status)

{

	qDebug() << "notes: NotesMainView::handleEditingCompleted -->";

	Q_UNUSED(status)

	// Refresh the content of the view.

	resetCollectionView();

	// Cleanup.

	mNotesEditor->deleteLater();

	qDebug() << "notes: NotesMainView::handleEditingCompleted <--";

}

/*!

	Updates the view data in case of changes in the database.

	Handles the case when entry is added or deleted by notes application.

 */

void NotesCollectionView::updateData(ulong id)

{

	qDebug() << "notes: NotesMainView::updateData -->";

	Q_UNUSED(id)

	// Refresh the content of the view.

	resetCollectionView();

	qDebug() << "notes: NotesMainView::updateData <--";

}

/*!

	Updates the view data in case of changes in the database.

	Handles the case when db is updated by a different client.

 */

void NotesCollectionView::updateData(QList<ulong> ids)

{

	qDebug() << "notes: NotesMainView::updateData -->";

	Q_UNUSED(ids)

	// Refresh the content of the view.

	resetCollectionView();

	qDebug() << "notes: NotesMainView::updateData <--";

}

/*!

	Handles the case when a list item is activated and the corresponding

	collections view (viz., notes, to-dos, favourites) is opened.

	\param item The item that was activated.

 */

void NotesCollectionView::handleActivated(HbListWidgetItem *item)

{

	QString secondary = item->secondaryText();

	QString primary = item->text();

	switch (mListWidget->row(item)) {

		case 0:

			// To-do item selected. Switch to to-do view.

			mAppControllerIf->switchToView(NotesNamespace::NotesTodoViewId);

			break;

		case 1:

			// Favorites item selected. Switch to favorites view.

			mAppControllerIf->switchToView(

					NotesNamespace::NotesFavoritesViewId);

			break;

		case 2:

			// Recent notes item selected.

			mAppControllerIf->switchToView(

					NotesNamespace::NotesNoteViewId);

			break;

		default:

			// Nothing yet.

			break;

	}

}

/*!

	Updates the number of favourites displayed.

	\sa QAbstractItemModel

 */

void NotesCollectionView::updateFavouritesCount(

		const QModelIndex &index, int start, int end)

{

	Q_UNUSED(index)

	Q_UNUSED(start)

	Q_UNUSED(end)

	// Update the count of notes in the view.

	QString countString("(%1)");

	HbListWidgetItem *item = mListWidget->item(1);

	item->setSecondaryText(countString.arg(mFavouriteModel->rowCount()));

}

/*!

	Populate the content of the view.

 */

void NotesCollectionView::populateListView()

{

	qDebug() << "notes: NotesCollectionView::populateListView -->";

	QString countString(hbTrId("[%1]"));

	// Add To-do's item.

	HbListWidgetItem *item = new HbListWidgetItem;

	item->setText(hbTrId("txt_notes_list_todos"));

	// Get the number of to-do entries.

	QList<ulong> entries = mAgendaUtil->entryIds(

			(AgendaUtil::FilterFlags)

			(AgendaUtil::IncludeCompletedTodos

			| AgendaUtil::IncludeIncompletedTodos));

	item->setSecondaryText(countString.arg(QString::number(entries.count())));

	mListWidget->addItem(item);

	// Add Favorites item.

	item = new HbListWidgetItem;

	item->setText(hbTrId("txt_notes_list_favorites"));

	item->setSecondaryText(countString.arg(mFavouriteModel->rowCount()));

	mListWidget->addItem(item);

	// Get the number of notes.

	entries = mAgendaUtil->entryIds(AgendaUtil::IncludeNotes);

	// Add Recent notes item.

	item = new HbListWidgetItem;

	item->setText(hbTrId("txt_notes_list_recent_notes"));

	item->setSecondaryText(countString.arg(QString::number(entries.count())));

	mListWidget->addItem(item);

	qDebug() << "notes: NotesCollectionView::populateListView <--";

}

/*!

	Slot to handle the case when the state of an action has changed.

 */

void NotesCollectionView::handleActionStateChanged()

{

	qDebug() << "notes: NotesCollectionView::handleActionStateChanged -->";

	mViewCollectionAction->setChecked(true);

	qDebug() << "notes: NotesCollectionView::handleActionStateChanged <--";

}

/*!

	Update the toolbar actions texts on orientation change.

 */

void NotesCollectionView::updateToolbarTexts(Qt::Orientation orientation)

{

	if (Qt::Horizontal == orientation) {

		// Set the text in landscape mode

		mAllNotesAction->setText(hbTrId("txt_notes_button_all"));

		mViewCollectionAction->setText(hbTrId("txt_notes_button_collections"));

		mAddNoteAction->setText(hbTrId("txt_notes_button_new_note"));

	} else if( Qt::Vertical == orientation) {

		// Set empty text in portriat mode so that only icons are visible.

		mAllNotesAction->setText("");

		mViewCollectionAction->setText("");

		mAddNoteAction->setText("");

	}

}

// End of file	--Don't remove this.