/*

* 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:  

*

*/

#include "cntgroupmemberselectionview.h"

#include <QGraphicsLinearLayout>

#include <hbnotificationdialog.h>

#include <hbgroupbox.h>

#include <hblistview.h>

/*!

Constructor, initialize member variables.

\a viewManager is the parent that creates this view. \a parent is a pointer to parent QGraphicsItem (by default this is 0)

*/

CntGroupMemberSelectionView::CntGroupMemberSelectionView(CntViewManager *viewManager, QGraphicsItem *parent)

    : CntBaseSelectionView(viewManager, parent),

    mContact(0),

    mBanner(0),

    mCountContacts(0),

    mActionNewGroup(false)

{

}

/*!

Destructor

*/

CntGroupMemberSelectionView::~CntGroupMemberSelectionView()

{

    delete mContact;

}

/*!

Set selection to a group

*/

void CntGroupMemberSelectionView::aboutToCloseView()

{

    CntViewParameters viewParameters(CntViewParameters::collectionView);

    viewParameters.setSelectedContact(*mContact);

    viewManager()->onActivateView(viewParameters);

}

void CntGroupMemberSelectionView::saveGroup()

{

    // get the contact from  new selection model indexes

    // for each contact, check if contact in this new index is member of mContactsLocalIdList( as achieved in activateView)

    // if yes, then do nothing

    // if no, then add contact to the relationship

    QModelIndexList indexes = selectionModel()->selection().indexes();

    // if yes, then do nothing

    // if no, then remove it from the relationship

    /*

     * Code below to be refactored to improve performance

     */

    for (int i = 0; i < indexes.count(); i++)

    {

        QContact contact = contactModel()->contact(indexes[i]);

        QContactLocalId locId = contact.localId();

        qDebug()<< locId;

        mSelectionList.append(locId);       

        if (mContactsLocalIdList.contains(locId))

        {

            // user has not deselected an old member of the group 

            // dont do anything

        }

        else

        {

            // new contact added to the group

            QContactRelationship relationship;

            relationship.setRelationshipType(QContactRelationship::HasMember);

            relationship.setFirst(mContact->id());

            relationship.setSecond(contact.id());

            // save relationship

            contactManager()->saveRelationship(&relationship);

        }

    }

    // for each contact in mContactsLocalIdList, check if contact is also in new selection model

    // if yes, then do nothing

    // if no, then remove it from the relationship

    for (int x=0; x < mContactsLocalIdList.count(); x++)

    {

       QContactLocalId oldSelectedLocalContactId = mContactsLocalIdList.at(x);

       qDebug()<< oldSelectedLocalContactId;

       if (mSelectionList.contains(oldSelectedLocalContactId))

       {

           // user has not deselected an old member of the group 

           // dont do anything

       }

       else

       {

           QContact contactInOldList = contactManager()->contact(mContactsLocalIdList.at(x));          

           QContactRelationship relationship;

           relationship.setRelationshipType(QContactRelationship::HasMember);

           relationship.setFirst(mContact->id());

           relationship.setSecond(contactInOldList.id());

           contactManager()->removeRelationship(relationship);

       }

   }

    CntViewParameters viewParameters(CntViewParameters::groupActionsView);

    viewParameters.setSelectedContact(*mContact);

    viewManager()->onActivateView(viewParameters);

}

void CntGroupMemberSelectionView::markUnmarkAll()

{    

    if(mCountContacts < contactModel()->rowCount())

    {

        listView()->selectAll(); // mark all

    }

    else

    {

        listView()->clearSelection(); // unmark all only when everything is already marked

    }

}

void CntGroupMemberSelectionView::OnCancel()

{

   QString groupNameCreated(mGroupContactName.value( QContactName::FieldCustomLabel ));

   if(mActionNewGroup)

   {

       HbNotificationDialog::launchDialog(qtTrId("New group %1 created").arg(groupNameCreated));

   }

   CntViewParameters viewParameters(CntViewParameters::collectionView);

   viewManager()->onActivateView(viewParameters);

}

void CntGroupMemberSelectionView::openGroupNameEditor()

{

     CntViewParameters viewParameters(CntViewParameters::groupEditorView);

     viewParameters.setSelectedContact(*mContact);

     viewManager()->onActivateView(viewParameters);

}

void CntGroupMemberSelectionView::activateView(const CntViewParameters &viewParameters)

{

    QContact contact = viewParameters.selectedContact();

    mContact = new QContact(contact);

    mGroupContactName = mContact->detail( QContactName::DefinitionName );

    QString groupName(mGroupContactName.value( QContactName::FieldCustomLabel ));

    mBanner = new HbGroupBox(this);

    listLayout()->insertItem(0, mBanner);

    if (viewParameters.selectedAction() == "NewGroup")

    {

        mActionNewGroup = true; // to enable the Cancel notification only for New Group ->Cancel

    }

    // create a filter to show contacts of typeContact

    QContactDetailFilter contactsFilter;

    contactsFilter.setDetailDefinitionName(QContactType::DefinitionName, QContactType::FieldType);

    contactsFilter.setValue(QString(QLatin1String(QContactType::TypeContact)));

    contactModel()->setFilterAndSortOrder(contactsFilter);

    contactModel()->showMyCard(false);

    // Use relationship filter to get list of contacts in the relationship (if any)

    QContactRelationshipFilter rFilter;

    rFilter.setRelationshipType(QContactRelationship::HasMember);

    rFilter.setRole(QContactRelationshipFilter::Second); // should be second here

    rFilter.setOtherParticipantId(mContact->id());

    mContactsLocalIdList = contactManager()->contacts(rFilter);

    mCountContacts = mContactsLocalIdList.count();

    // set the model to the list (needed before next step)

    CntBaseSelectionView::activateView(viewParameters);

    //Get the index of the contacts

    // Set the select option for those contacts in the selectionModel

    for (int i=0; i < mCountContacts; i++ )

    {

        // get QContact from QContactId

        QContact contactInList = contactManager()->contact(mContactsLocalIdList.at(i));

        QContactLocalId contactInListLocId = contactInList.localId();

        QModelIndex contactIndex = contactModel()->indexOfContact(contactInList);

        selectionModel()->select(contactIndex, QItemSelectionModel::Select);

    }

    QString temp;

    temp.setNum(mCountContacts);

    mBanner->setHeading(qtTrId("(%1) members selected").arg(temp));

    connect(selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),

            this, SLOT(updateTitle(const QItemSelection&, const QItemSelection&)));

}

void CntGroupMemberSelectionView::updateTitle(const QItemSelection &selected, const QItemSelection &deselected)

{

    if (selected.count())

    {

        mCountContacts += selected.indexes().count();

        QString temp;

        temp.setNum(mCountContacts);

        mBanner->setHeading(qtTrId("(%1) members selected").arg(temp));

    }

    if (deselected.count())

    {

        mCountContacts -= deselected.indexes().count();

        QString temp;

        temp.setNum(mCountContacts);

        mBanner->setHeading(qtTrId("(%1) members selected").arg(temp));

    }

}

void CntGroupMemberSelectionView::addActionsToToolBar()

{

    //Add Action to the toolbar

    actions()->clearActionList();

    actions()->actionList() << actions()->baseAction("cnt:save") << actions()->baseAction("cnt:markUnmarkAll") << actions()->baseAction("cnt:cancel");

    actions()->addActionsToToolBar(toolBar());

    connect(actions()->baseAction("cnt:save"), SIGNAL(triggered()),

            this, SLOT(saveGroup()));

    connect(actions()->baseAction("cnt:markUnmarkAll"), SIGNAL(triggered()),

            this, SLOT(markUnmarkAll()));

    connect(actions()->baseAction("cnt:cancel"), SIGNAL(triggered()),

            this, SLOT(OnCancel()));

}