/*

 * 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: Drafts List View for displaying drafts messages.

 *

 */

#include "draftslistview.h"

// SYSTEM INCLUDES

#include <HbMenu>

#include <HbAction>

#include <HbToolBar>

#include <HbToolBarExtension>

#include <HbListView>

#include <HbListViewItem>

#include <HbListWidget>

#include <HbListWidgetItem>

#include <HbStyleLoader>

#include <HbGroupBox>

#include <HbFrameBackground>

#include <QSortFilterProxyModel>

#include <QGraphicsLinearLayout>

// USER INCLUDES

#include "conversationsengine.h"

#include "conversationsenginedefines.h"

#include "convergedmessage.h"

#include "convergedmessageid.h"

// LOCAL CONSTANTS

const QString LIST_ITEM_FRAME("qtg_fr_list_normal");

const QString POPUP_LIST_FRAME("qtg_fr_popup_list_normal");

const QString NEW_MESSAGE_ICON("qtg_mono_create_message");

const QString SORT_ICON("qtg_mono_sort");

// LOCALIZATION CONSTANTS

#define LOC_COMMON_OPEN hbTrId("txt_common_menu_open")

#define LOC_COMMON_DELETE hbTrId("txt_common_menu_delete")

#define VIEW_HEADING "Drafts"

#define MENU_DELETE_ALL "Delete all drafts"

#define TB_VIEW_EXTN "View"

#define TB_NEW_MESSAGE "New message"

#define TB_EXTN_DRAFTS "Drafts"

#define TB_EXTN_CONVERSATIONS "Conversations"

//---------------------------------------------------------------

// DraftsListView::DraftsListView

// @see header

//---------------------------------------------------------------

DraftsListView::DraftsListView(QGraphicsItem *parent) :

    MsgBaseView(parent), mListView(0), mViewExtnList(0)

{

    createView();

}

//---------------------------------------------------------------

// DraftsListView::~DraftsListView

// @see header

//---------------------------------------------------------------

DraftsListView::~DraftsListView()

{

}

//---------------------------------------------------------------

// DraftsListView::createView

// @see header

//---------------------------------------------------------------

void DraftsListView::createView()

{

    setupToolbar();

    setupMenu();

    setupListView();

}

//---------------------------------------------------------------

// DraftsListView::setupMenu

// @see header

//---------------------------------------------------------------

void DraftsListView::setupMenu()

{

}

//---------------------------------------------------------------

// DraftsListView::setupToolbar

// @see header

//---------------------------------------------------------------

void DraftsListView::setupToolbar()

{

    HbToolBar *toolBar = this->toolBar();

    toolBar->setOrientation(Qt::Horizontal);

    // Create & setup ToolBar Extension

    HbToolBarExtension *viewExtn = new HbToolBarExtension();

    HbAction *viewAction = toolBar->addExtension(viewExtn);

    viewAction->setText(TB_VIEW_EXTN);

    viewAction->setIcon(HbIcon(SORT_ICON));

    mViewExtnList = new HbListWidget();

    mViewExtnList->addItem(TB_EXTN_DRAFTS);

    mViewExtnList->addItem(TB_EXTN_CONVERSATIONS);

    HbListViewItem *prototype = mViewExtnList->listItemPrototype();

    HbFrameBackground frame(POPUP_LIST_FRAME, HbFrameDrawer::NinePieces);

    prototype->setDefaultFrame(frame);

    connect(mViewExtnList, SIGNAL(activated(HbListWidgetItem*)), this,

        SLOT(handleViewExtnActivated(HbListWidgetItem*)));

    connect(mViewExtnList, SIGNAL(activated(HbListWidgetItem*)), viewExtn, SLOT(close()));

    viewExtn->setContentWidget(mViewExtnList);

    // Create & setup 2nd ToolBar button.

    HbAction* newMessageAction = new HbAction(HbIcon(NEW_MESSAGE_ICON), TB_NEW_MESSAGE, this);

    connect(newMessageAction, SIGNAL(triggered()), this, SLOT(createNewMessage()));

    toolBar->addAction(newMessageAction);

}

//---------------------------------------------------------------

// DraftsListView::setupListView

// @see header

//---------------------------------------------------------------

void DraftsListView::setupListView()

{

    // Create parent layout.

    QGraphicsLinearLayout *mainLayout = new QGraphicsLinearLayout(Qt::Vertical);

    mainLayout->setContentsMargins(0, 0, 0, 0);

    mainLayout->setSpacing(0);

    // Create view heading.

    HbGroupBox *viewHeading = new HbGroupBox();

    viewHeading->setTitleText(VIEW_HEADING);

    // Create List View.

    mListView = new HbListView(this);

    mListView->setScrollingStyle(HbScrollArea::PanOrFlick);

    mListView->setItemRecycling(true);

    mListView->setUniformItemSizes(true);

    mListView->setClampingStyle(HbScrollArea::BounceBackClamping);

    // Register the custorm css path.

    HbStyleLoader::registerFilePath(":/hblistviewitem.css");

    //    mListView->setLayoutName("custom");

    // Set list item properties.

    HbListViewItem *prototype = mListView->listItemPrototype();

    prototype->setGraphicsSize(HbListViewItem::SmallIcon);

    prototype->setStretchingStyle(HbListViewItem::StretchLandscape);

    prototype->setSecondaryTextRowCount(1, 1);

    HbFrameBackground frame(LIST_ITEM_FRAME, HbFrameDrawer::NinePieces);

    prototype->setDefaultFrame(frame);

    // Create and set model

    QSortFilterProxyModel *proxyModel = new QSortFilterProxyModel(this);

    proxyModel->setDynamicSortFilter(true);

    proxyModel->setSourceModel(ConversationsEngine::instance()->getDraftsModel());

    proxyModel->setSortRole(TimeStamp);

    proxyModel->sort(0, Qt::DescendingOrder);

    mListView->setModel(proxyModel);

    // Short & Long Taps

    connect(mListView, SIGNAL(activated(QModelIndex)), this, SLOT(openDraftMessage(QModelIndex)));

    connect(mListView, SIGNAL(longPressed(HbAbstractViewItem*,QPointF)), this,

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

    // Add all widgets to main layout.

    mainLayout->addItem(viewHeading);

    mainLayout->addItem(mListView);

    this->setLayout(mainLayout);

}

//------------------------------------------------------------------------------

// DraftsListView::openDraftMessage

// @see header

//------------------------------------------------------------------------------

void DraftsListView::openDraftMessage()

{

    openDraftMessage(mListView->currentIndex());

}

//------------------------------------------------------------------------------

// DraftsListView::deleteDraftMessage

// @see header

//------------------------------------------------------------------------------

void DraftsListView::deleteDraftMessage()

{

    int msgId = mListView->currentIndex().data(ConvergedMsgId).toInt();

    QList<int> msgIdList;

    msgIdList.append(msgId);

    ConversationsEngine::instance()->deleteMessages(msgIdList);

}

//------------------------------------------------------------------------------

// DraftsListView::createNewMessage

// @see header

//------------------------------------------------------------------------------

void DraftsListView::createNewMessage()

{

    QVariantList param;

    param << MsgBaseView::UNIEDITOR; // target view

    param << MsgBaseView::DLV; // source view

    emit switchView(param);

}

//------------------------------------------------------------------------------

// DraftsListView::openDraftMessage

// @see header

//------------------------------------------------------------------------------

void DraftsListView::openDraftMessage(const QModelIndex &index)

{

    QVariant msgId = index.data(ConvergedMsgId);

    QVariant msgType = index.data(MessageType);

    ConvergedMessageId convergedMsgId = ConvergedMessageId(msgId.toInt());

    ConvergedMessage message;

    message.setMessageType((ConvergedMessage::MessageType) msgType.toInt());

    message.setMessageId(convergedMsgId);

    // Launch uni-editor view

    QByteArray dataArray;

    QDataStream messageStream(&dataArray, QIODevice::WriteOnly | QIODevice::Append);

    message.serialize(messageStream);

    QVariantList params;

    params << MsgBaseView::UNIEDITOR; // target view

    params << MsgBaseView::DLV; // source view

    params << dataArray;

    emit switchView(params);

}

//------------------------------------------------------------------------------

// DraftsListView::handleLongPressed

// @see header

//------------------------------------------------------------------------------

void DraftsListView::handleLongPressed(HbAbstractViewItem *item, const QPointF &coords)

{

    if (this->isVisible()) {

        // Set the current index as tapped items index.

        mListView->setCurrentIndex(item->modelIndex(), QItemSelectionModel::Select);

        HbMenu *contextMenu = new HbMenu();

        // Open

        HbAction* openAction = contextMenu->addAction(LOC_COMMON_OPEN);

        connect(openAction, SIGNAL(triggered()), this, SLOT(openDraftMessage()));

        // Delete

        HbAction *deletAction = contextMenu->addAction(LOC_COMMON_DELETE);

        connect(deletAction, SIGNAL(triggered()), this, SLOT(deleteDraftMessage()));

        contextMenu->exec(coords);

        delete contextMenu;

    }

}

//------------------------------------------------------------------------------

// DraftsListView::handleViewExtnActivated

// @see header

//------------------------------------------------------------------------------

void DraftsListView::handleViewExtnActivated(HbListWidgetItem *item)

{

    int row = mViewExtnList->row(item);

    if (CONVERSATIONS_EXTN == row) {

        QVariantList param;

        param << MsgBaseView::CLV; // target view

        param << MsgBaseView::DLV; // source view

        emit switchView(param);

    }

}

// EOF