/*

 * 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: Menu All Collections state.

 *

 */

#include <qstatemachine.h>

#include <hbview.h>

#include <hbmainwindow.h>

#include <hbmenu.h>

#include <hbaction.h>

#include <hbabstractviewitem.h>

#include <hsmenueventfactory.h>

#include <hbinstance.h>

#include <hbsearchpanel.h>

#include "hsmenuview.h"

#include "hsmenuitemmodel.h"

#include "cadefs.h"

#include "hsallcollectionsstate.h"

#include "hsaddappstocollectionstate.h"

#include "hsmenumodetransition.h"

HsAllCollectionsState::HsAllCollectionsState(

    HsMenuView &menuView, QState *parent) :

    QState(parent), mSortAttribute(CustomHsSortAttribute),

    mMenuView(menuView), mAllCollectionsModel(0)

{

    construct();

}

void HsAllCollectionsState::construct()

{

    HSMENUTEST_FUNC_ENTRY("HsAllCollectionsState::construct");

    QState *initialState = new QState(this);

    setInitialState(initialState);

    QState *addModeState = new QState(this);

    connect(addModeState, SIGNAL(entered()),SLOT(addModeEntered()));

    QState *normalModeState = new QState(this);

    connect(normalModeState, SIGNAL(entered()),SLOT(normalModeEntered()));

    connect(normalModeState, SIGNAL(exited()),SLOT(normalModeExited()));

    initialState->addTransition(new HsMenuModeTransition(

                                    mMenuView, NormalHsMenuMode, normalModeState));

    initialState->addTransition(new HsMenuModeTransition(

                                    mMenuView, AddHsMenuMode, addModeState));

    connect(this, SIGNAL(entered()),SLOT(stateEntered()));

    connect(this, SIGNAL(exited()),SLOT(stateExited()));

    mAllCollectionsModel = HsMenuService::getAllCollectionsModel(

                               mSortAttribute);

    HSMENUTEST_FUNC_EXIT("HsAllCollectionsState::construct");

}

void HsAllCollectionsState::setMenuOptions()

{

    HSMENUTEST_FUNC_ENTRY("HsAllCollectionsState::setMenuOptions");

    HbMenu *const options = new HbMenu();

    options->addAction(hbTrId("txt_applib_opt_task_switcher"),

    options->addAction(hbTrId("txt_applib_opt_new_collection"),

                       this, SLOT(createNewCollection()));

    HbMenu *const sortMenu = options->addMenu(

                                 hbTrId("txt_applib_opt_sort_by"));

    //Grouped options are exclusive by default.

    QActionGroup *sortGroup = new QActionGroup(options);

    sortGroup->addAction(sortMenu->addAction(

                             hbTrId("txt_applib_opt_sub_custom"),

                             this, SLOT(customMenuAction())));

    sortGroup->addAction(sortMenu->addAction(

                             hbTrId("txt_applib_opt_sub_ascending"),

                             this, SLOT(ascendingMenuAction())));

    sortGroup->addAction(sortMenu->addAction(

                             hbTrId("txt_applib_opt_sub_descending"),

                             this, SLOT(descendingMenuAction())));

    if (mSortAttribute == CustomHsSortAttribute) {

        options->addAction(hbTrId("txt_applib_opt_arrange"),

                           this, SLOT(createArrangeCollection()));

    }

    options->setParent(this);

    foreach(QAction *action, sortMenu->actions()) {

        action->setCheckable(true);

    }

    switch (mSortAttribute) {

    case AscendingNameHsSortAttribute:

        sortGroup->actions().at(1)->setChecked(true);

        break;

    case DescendingNameHsSortAttribute:

        sortGroup->actions().at(2)->setChecked(true);

        break;

    case CustomHsSortAttribute:

    default:

        sortGroup->actions().at(0)->setChecked(true);

        break;

    }

    mMenuView.view()->setMenu(options);

    HSMENUTEST_FUNC_EXIT("HsAllCollectionsState::setMenuOptions");

}

HsAllCollectionsState::~HsAllCollectionsState()

{

    delete mAllCollectionsModel;

}

void HsAllCollectionsState::scrollToBeginning()

{

    mBookmark = mAllCollectionsModel->index(0);

}

void HsAllCollectionsState::stateEntered()

{

    qDebug("AllCollectionsState::stateEntered()");

    HSMENUTEST_FUNC_ENTRY("HsAllCollectionsState::stateEntered");

    mMenuView.setModel(mAllCollectionsModel);

    mMenuView.scrollTo(mBookmark, HbAbstractItemView::PositionAtTop);

    HSMENUTEST_FUNC_EXIT("HsAllCollectionsState::stateEntered");

}

void HsAllCollectionsState::normalModeEntered()

{

    setMenuOptions();

    connect(&mMenuView, SIGNAL(activated(QModelIndex)),

            SLOT(listItemActivated(QModelIndex)));

    connect(&mMenuView, SIGNAL(longPressed(HbAbstractViewItem *, QPointF)),

            SLOT(listItemLongPressed(HbAbstractViewItem *, QPointF)));

}

void HsAllCollectionsState::normalModeExited()

{

    mMenuView.view()->setMenu(NULL);

}

void HsAllCollectionsState::addModeEntered()

{

    connect(&mMenuView, SIGNAL(activated(QModelIndex)),

            SLOT(addActivated(QModelIndex)));

    connect(&mMenuView, SIGNAL(longPressed(HbAbstractViewItem *, QPointF)),

            SLOT(addLongPressed(HbAbstractViewItem *, QPointF)));

}

void HsAllCollectionsState::stateExited()

{

    HSMENUTEST_FUNC_ENTRY("HsAllCollectionsState::stateExited");

    mMenuView.disconnect(this);

    mBookmark = mMenuView.firstVisibleItemIndex();

    HSMENUTEST_FUNC_EXIT("HsAllCollectionsState::stateExited");

    qDebug("AllCollectionsState::stateExited()");

}

/*!

 Open task switcher.

 \retval true if operation is successful.

 */

bool HsAllCollectionsState::openTaskSwitcher()

{

    return HsMenuService::launchTaskSwitcher();

}

void HsAllCollectionsState::listItemActivated(const QModelIndex &index)

{

    HSMENUTEST_FUNC_ENTRY("HsAllCollectionsState::listItemActivated");

    QVariant data = mAllCollectionsModel->data(index, CaItemModel::IdRole);

    int id = data.toInt();

    QString collectionType =

        mAllCollectionsModel->data(index, CaItemModel::TypeRole).toString();

    qDebug("AllCollectionsState::listItemActivated - MCS ID: %d",

           data.toInt());

    mMenuView.setSearchPanelVisible(false);

    machine()->postEvent(HsMenuEventFactory::createOpenCollectionEvent(id,

                         collectionType));

    HSMENUTEST_FUNC_EXIT("HsAllCollectionsState::listItemActivated");

}

void HsAllCollectionsState::addActivated(const QModelIndex &index)

{

    const int itemId = index.data(CaItemModel::IdRole).toInt();

    machine()->postEvent(

        HsMenuEventFactory::createAddToHomeScreenEvent(itemId));

    machine()->postEvent(

        HsMenuEventFactory::createOpenHomeScreenEvent());

}

void HsAllCollectionsState::addLongPressed(HbAbstractViewItem *item,

        const QPointF &coords)

{

    Q_UNUSED(coords);

    const int itemId = item->modelIndex().data(CaItemModel::IdRole).toInt();

    machine()->postEvent(

        HsMenuEventFactory::createAddToHomeScreenEvent(itemId));

    machine()->postEvent(

        HsMenuEventFactory::createOpenHomeScreenEvent());

}

void HsAllCollectionsState::listItemLongPressed(HbAbstractViewItem *item,

        const QPointF &coords)

{

    HSMENUTEST_FUNC_ENTRY("HsAllCollectionsState::listItemLongPressed");

    const int itemId = item->modelIndex().data(CaItemModel::IdRole).toInt();

    HbMenu *menu = new HbMenu();

    // create context menu

    HbAction *addShortcutAction = menu->addAction(hbTrId(

                                      "txt_applib_menu_add_to_home_screen"));

    HbAction *renameAction = NULL;

    HbAction *deleteAction = NULL;

    EntryFlags flags = item->modelIndex().data(CaItemModel::FlagsRole).value<

                       EntryFlags> ();

    if ((flags & RemovableEntryFlag)) {

        renameAction = menu->addAction(

                           hbTrId("txt_common_menu_rename_item"));

        deleteAction = menu->addAction(hbTrId("txt_common_menu_delete"));

    }

    // choose proper action

    if (HbAction *selectedAction = menu->exec(coords)) {

        if (selectedAction == addShortcutAction) {

            machine()->postEvent(

                HsMenuEventFactory::createAddToHomeScreenEvent(itemId));

        } else if (renameAction && selectedAction == renameAction) {

            machine()->postEvent(

                HsMenuEventFactory::createRenameCollectionEvent(itemId));

        } else if (deleteAction && selectedAction == deleteAction) {

            machine()->postEvent(

                HsMenuEventFactory::createDeleteCollectionEvent(itemId));

        }

    }

    delete menu;

    HSMENUTEST_FUNC_EXIT("HsAllCollectionsState::listItemLongPressed");

}

void HsAllCollectionsState::createNewCollection()

{

    // Adding a new collection via the Collections view

    machine()->postEvent(HsMenuEventFactory::createNewCollectionEvent());

}

void HsAllCollectionsState::createArrangeCollection()

{

    // Arrange collection via the Arrange view

    QModelIndex idx = mMenuView.firstVisibleItemIndex();

    int topItemId = idx.data(CaItemModel::IdRole).toInt();

    machine()->postEvent(

        HsMenuEventFactory::createArrangeCollectionEvent(topItemId));

}

void HsAllCollectionsState::customMenuAction()

{

    HSMENUTEST_FUNC_ENTRY("HsAllCollectionsState::customMenuAction");

    mSortAttribute = CustomHsSortAttribute;

    setMenuOptions();

    mAllCollectionsModel->setSort(mSortAttribute);

    emit sortOrderChanged(mSortAttribute);

    HSMENUTEST_FUNC_EXIT("HsAllCollectionsState::customMenuAction");

}

void HsAllCollectionsState::ascendingMenuAction()

{

    HSMENUTEST_FUNC_ENTRY("HsAllCollectionsState::ascendingMenuAction");

    mSortAttribute = AscendingNameHsSortAttribute;

    setMenuOptions();

    mAllCollectionsModel->setSort(mSortAttribute);

    emit sortOrderChanged(mSortAttribute);

    HSMENUTEST_FUNC_EXIT("HsAllCollectionsState::ascendingMenuAction");

}

void HsAllCollectionsState::descendingMenuAction()

{

    HSMENUTEST_FUNC_ENTRY("HsAllCollectionsState::descendingMenuAction");

    mSortAttribute = DescendingNameHsSortAttribute;

    setMenuOptions();

    mAllCollectionsModel->setSort(mSortAttribute);

    emit sortOrderChanged(mSortAttribute);

    HSMENUTEST_FUNC_EXIT("HsAllCollectionsState::descendingMenuAction");

}