#include <HbTextItem>

#include <HbDocumentLoader>

#include <QGraphicsLinearLayout>

LocationPickerSearchView::LocationPickerSearchView(HbDocumentLoader &aLoader)

    :mProxyModel(NULL),

    mModel(NULL),

    mListView(NULL),

    mSearchPanel(NULL),

    mDataManager(NULL),

    mEmptyLabel(NULL),

    mVerticalLayout(NULL),

    mDocumentLoader(aLoader)

{

}

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

// LocationPickerSearchView::~LocationPickerSearchView()

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

LocationPickerSearchView::~LocationPickerSearchView()

{

    if( mDataManager )

        delete mDataManager;

    delete mProxyModel;

    delete mModel;

    delete mEmptyLabel;

}

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

// LocationPickerSearchView::init()

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

void LocationPickerSearchView::init()

{   

    //get listview from docml

    mListView = qobject_cast<HbListView*>(

            mDocumentLoader.findObject(QString("SearchListView")));

    if(mListView == NULL)

    {

        qFatal("Error Reading Docml");   

    }

    //get search panel from docml

    mSearchPanel = qobject_cast<HbSearchPanel*>(

            mDocumentLoader.findObject(QString("searchPanel")));

    if(mListView == NULL)

    {

        qFatal("Error Reading Docml");

    }

    //conect to respective slots

    connect(mListView, SIGNAL(activated(const QModelIndex &)), this, SLOT(handleActivated

    (const QModelIndex &)));

    connect(mSearchPanel, SIGNAL(exitClicked()),this, SLOT(handleExit()));

    connect(mSearchPanel,SIGNAL(criteriaChanged(QString)),this,SLOT(doSearch(QString)));

    mModel = new QStandardItemModel(this);

    mProxyModel = new LocationPickerProxyModel( Qt ::Vertical );

    bool populated = mDataManager->populateModel(Qt::Vertical);

    if(!populated)

    {

        // no entries to display.

        QStandardItem *modelItem = new QStandardItem();

        modelItem->setData(QVariant(hbTrId("txt_lint_list_no_location_entries_present")), Qt::DisplayRole);

        mModel->appendRow( modelItem );

    }

    // sort 

    mProxyModel->sort(0, Qt::AscendingOrder);

}

// LocationPickerSearchView::handleExit()

void LocationPickerSearchView::handleExit()

{   

    //emit signal to switch the current view

    emit switchView();

    //if no entries presentdisplay empty text item

    if (!mProxyModel->rowCount() )

    {

        if(!mEmptyLabel)

        {    

            QGraphicsWidget *widget = NULL;

            widget = mDocumentLoader.findWidget(QString("container"));

            if(widget == NULL)

            {

                qFatal("Error Reading Docml"); 

            }

            mVerticalLayout = static_cast<QGraphicsLinearLayout*>(widget->layout());

            if(mVerticalLayout == NULL)

            {

                qFatal("Error Reading Docml"); 

            }

            mVerticalLayout->removeItem(mListView);

            mListView->setVisible(false);

            mEmptyLabel = new HbTextItem(hbTrId("txt_lint_list_no_results"));

            mEmptyLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);

            mEmptyLabel->setFontSpec(HbFontSpec(HbFontSpec::Primary));

            mEmptyLabel->setAlignment(Qt::AlignCenter);

            mVerticalLayout->insertItem(0, mEmptyLabel);

            mEmptyLabel->setVisible(true);

        }

    }

    //else display the result

    else if (mEmptyLabel)

    {   

        mVerticalLayout->removeItem(mEmptyLabel);

        mEmptyLabel->setVisible(false);

        delete mEmptyLabel;

        mEmptyLabel=NULL;

        mVerticalLayout->insertItem(0, mListView);

        mListView->setVisible(true);

    }

    //emit item is selectedsignal

    emit selectItem( lm );