/*

* Copyright (c) 2007-2008 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:  Controller class for editing related UI behavior

 *

*/

#include <eikenv.h>

#include <e32math.h>

#include <StringLoader.h>

#include <utf.h>

#include <aknnotewrappers.h>

#include <avkon.hrh>

#include <CAgnEntryUi.h>

#include <calentryview.h>

#include <calentry.h>

#include <calrrule.h>

#include <caluser.h>

#include <calenagendautils.h>

#include <calendateutils.h>

#include <CalenInterimUtils2.h>

#include <CalenEditorsPlugin.h>

#include <calenglobaldata.h>

#include <Calendar.rsg>

#include <calencommonui.rsg>

#include <calencommands.hrh>            // Calendar commands

#include <calencontext.h>

#include <caleninstanceid.h>            // TCalenInstanceId

#include <calentoolbar.h>

#include <calenactionuiutils.h>

#include <aknViewAppUi.h>           // CAknViewAppUi

#include <aknview.h>

#include "calendarui_debug.h"

#include "caleneditui.h"

#include "calencontroller.h"

#include "calendar.hrh"

#include "calensend.h"

#include "CalenUid.h"

#include "calenservicesimpl.h"

#include "calenviewmanager.h"

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

// CCalenEditUi::NewL

// First stage construction

// (other items were commented in a header).

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

//

CCalenEditUi* CCalenEditUi::NewL( CCalenController& aController )

    {

    TRACE_ENTRY_POINT;

    CCalenEditUi* self = new(ELeave) CCalenEditUi( aController );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    TRACE_EXIT_POINT;

    return self;

    }

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

// CCalenEditUi::~CCalenEditUi

// Destructor

// (other items were commented in a header).

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

//

CCalenEditUi::~CCalenEditUi()

    {

    TRACE_ENTRY_POINT;

    delete iEditorsPlugin;

    delete iListItems;

    delete iListItemCommands;

    if( iWaitDialog )

        {

        delete iWaitDialog;

        }

    if( iGlobalData )

        {

        iGlobalData->Release();

        }

    TRACE_EXIT_POINT;

    }

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

// CCalenEditUi::CCalenEditUi

// Constructor

// (other items were commented in a header).

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

//

CCalenEditUi::CCalenEditUi( CCalenController& aController )

    : iController( aController )

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenEditUi::ConstructL

// Second stage construction

// (other items were commented in a header).

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

//

void CCalenEditUi::ConstructL()

    {

    TRACE_ENTRY_POINT;

    iGlobalData = CCalenGlobalData::InstanceL();

    iEntriesToComplete = 1;

    iMoreEntriesToComplete = EFalse;

    isEditorActive = EFalse;

    iController.RegisterForNotificationsL( this, ECalenNotifyCancelStatusUpdation );

    TRACE_EXIT_POINT;

    }

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

// CCalenEditUi::HandleActionUiCommandL

// Handles action ui commands

// (other items were commented in a header).

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

//

TBool CCalenEditUi::HandleCommandL( const TCalenCommand& aCommand )

    {

    TRACE_ENTRY_POINT;

    TBool continueCommand(EFalse);

    TInt command = aCommand.Command();

    switch(command)

        {

        case ECalenNewMeeting:

        case ECalenNewDayNote:

            {

            TUid currentView = iController.ViewManager().CurrentView();

            if( KUidCalenTodoView == currentView )

                {

                // Open NewEntry as "To-Do", if editor is launched from To-Do view.

                MCalenContext& context = iController.Services().Context();

                // Set the date on the context to today.

                TTime homeTime;

                homeTime.HomeTime();

                TCalTime today;

                today.SetTimeLocalL( homeTime );

                context.SetFocusDateL( today, TVwsViewId( KUidCalendar, KUidCalenTodoView ) );

                EditNewEntryL( CCalEntry::ETodo );

                }

            else

                {

                EditNewEntryL();

                }

            }

            break;

        case ECalenNewTodo:

            EditNewEntryL( CCalEntry::ETodo );

            break;

        case ECalenNewAnniv:

            EditNewEntryL( CCalEntry::EAnniv );

            break;

        case ECalenNewMeetingRequest:

            {

            EditNewMeetingRequestL();

            }

            break;

        case ECalenEditCurrentEntry:

        case ECalenEditSeries:

        case ECalenEditOccurrence:

        case ECalenCompleteTodo:

        case ECalenRestoreTodo:

        case ECalenMarkEntryAsDone:

        case ECalenMarkEntryAsUnDone:

            {

            // These commands need the entry view

            // to be constructed before being called

            CCalEntryView* entryView = iGlobalData->EntryViewL();

            if( !entryView )

                {

                // Store the command and wait for notification

                WaitForEntryViewNotificationL( aCommand );

                }

            else

                {

                switch ( command )

                    {

                    case ECalenEditCurrentEntry:

                    	{

                        MCalenContext& context = iGlobalData->Context();

                        entryView = iGlobalData->EntryViewL(context.InstanceId().iColId);

                        CCalEntry* entry = entryView->FetchL(

                                                context.InstanceId().iEntryLocalUid );

                        CleanupStack::PushL( entry );

                        User::LeaveIfNull( entry );

                        EditEntryL( entry,

                                    context.InstanceId().iInstanceTime,

                                    MAgnEntryUi::EEditExistingEntry );

                        CleanupStack::PopAndDestroy( entry );

                    	break;

                    	}

                    case ECalenCompleteTodo:

                        SetTodoCompleteL( ETrue );

                        break;

                    case ECalenRestoreTodo:

                        SetTodoCompleteL( EFalse );

                        break;

                    case ECalenMarkEntryAsDone:

                        continueCommand = SetMultipleTodoCompleteL(ETrue );

                        break;

                     case ECalenMarkEntryAsUnDone:

                         continueCommand = SetMultipleTodoCompleteL(EFalse );

                        break;

                    default:

                         {

                         // Should never reach this point.

                         ASSERT( EFalse );   

                         }

                    }

                }

            }

            break;

        case ECalenSend:

            {

            iGlobalData->CalenSendL().DisplaySendCascadeMenuL();

            if( iGlobalData->CalenSendL().CanSendL( ECalenSend ) )

                {

                SendEntryL();

                iController.BroadcastNotification( ECalenNotifyEntrySent );

                }

            // ECalenNotifyDialogClosed issued when Messaging Query is cancelled

            // by the user.

            else

                {

                iController.BroadcastNotification( ECalenNotifyEntrySendCancel );

                }

            }

            break;

        default:

            // Controller decided this class was the place to handle this

            // command

            break;

        }

    TRACE_EXIT_POINT;

    return continueCommand;

    }

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

// CCalenEditUi::CalenCommandHandlerExtensionL

// Dummy implementation.

// (other items were commented in a header).

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

//

TAny* CCalenEditUi::CalenCommandHandlerExtensionL( TUid /*aExtensionUid*/ )

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return NULL;

    }

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

// CCalenEditUi::SetTodoCompleteL

// Completes or restores a todo.

// (other items were commented in a header).

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

//

void CCalenEditUi::SetTodoCompleteL( TBool aComplete )

    {

    TRACE_ENTRY_POINT;

    MCalenContext& context = iGlobalData->Context();

    ASSERT( !( context.InstanceId() == ( TCalenInstanceId::NullInstanceId() ) ) );

    // HandleActionUiCommandL creates the entry view if it has

    // not already been created before SetTodoCompleteL is called.

    CCalEntryView* entryView = iGlobalData->EntryViewL(context.InstanceId().iColId);

    ASSERT( entryView );

    CCalEntry* entry = entryView->FetchL( context.InstanceId().iEntryLocalUid );

    CleanupStack::PushL( entry );

    if( entry )

        {

        CalenActionUiUtils::SetToDoCompleteStatusL( *entryView, entry, aComplete );

        //iContainer->NotifyEntryChangeL( *entry, entry->StartTimeL() );

        iController.BroadcastNotification( ECalenNotifyEntrySaved );

        }

    CleanupStack::PopAndDestroy( entry );

    TRACE_EXIT_POINT;

    }

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

// CCalenEditUi::SetTodoEntryCompleteL

// Completes or restores a todo.

// (other items were commented in a header).

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

//

void CCalenEditUi::SetTodoEntryCompleteL(TBool aComplete,TCalLocalUid aEntryUid,TCalCollectionId colId)

    {

    TRACE_ENTRY_POINT;

    // HandleActionUiCommandL creates the entry view if it has

    // not already been created before SetTodoCompleteL is called.

   CCalEntryView* entryView = iGlobalData->EntryViewL(colId);

    ASSERT( entryView );

    CCalEntry* entry = entryView->FetchL( aEntryUid );

    CleanupStack::PushL( entry );

    if( entry )

        {

        CalenActionUiUtils::SetToDoCompleteStatusL( *entryView, entry, aComplete );

        }

    CleanupStack::PopAndDestroy( entry );    

    TRACE_EXIT_POINT;

    }

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

// CCalenEditUi::EditNewEntryL

// Creates a new entry and opens it for editing

// (other items were commented in a header).

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

//

void CCalenEditUi::EditNewEntryL( CCalEntry::TType aEntryType)

    {

    TRACE_ENTRY_POINT;

    // Create unique ID.

    HBufC8* guid = iGlobalData->InterimUtilsL().GlobalUidL();

    CleanupStack::PushL( guid );

    CCalEntry* entry = CCalEntry::NewL( aEntryType, guid, CCalEntry::EMethodNone, 0 );

    CleanupStack::Pop( guid );

    CleanupStack::PushL( entry );

    // Set initial start and end times from Calendar context

    TTime focusedTime = CalculateActiveTimeFromContextL();

    TCalTime initialCalTime;

    initialCalTime.SetTimeLocalL( focusedTime );

    entry->SetStartAndEndTimeL( initialCalTime, initialCalTime );

    if( entry->EntryTypeL()==CCalEntry::EAnniv )

        {

        TCalRRule rrule( TCalRRule::EYearly );

        TCalTime startDate;

        rrule.SetDtStart( initialCalTime );

        rrule.SetInterval( 1 ); // once a year

        entry->SetRRuleL( rrule );

        }

    MCalenContext& context = iGlobalData->Context();

    TCalCollectionId colId = context.InstanceId().iColId;

    TCalenInstanceId id = TCalenInstanceId::CreateL( *entry, initialCalTime );

    id.iColId = colId;

    context.SetInstanceIdL( id, context.ViewId() ); 

    TTime instanceTime = entry->StartTimeL().TimeLocalL();

    EditEntryL( entry, instanceTime, MAgnEntryUi::ECreateNewEntry );

    CleanupStack::PopAndDestroy( entry );

    TRACE_EXIT_POINT;

    }

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

// CCalenEditUi::EditNewMeetingRequestL

// Creates a new meeting request and opens it for editing

// (other items were commented in a header).

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

//

void CCalenEditUi::EditNewMeetingRequestL()

    {

    TRACE_ENTRY_POINT;

    CMRMailboxUtils::TMailboxInfo defaultMailBox;

    if( !iGlobalData->AttemptToRetrieveDefaultMailboxL( defaultMailBox ) )

        {

        // User either doesn't have any mailboxes or didn't select a default mailbox.

        // Don't create the meeting request.

        TRACE_EXIT_POINT;

        return;

        }

    // If we got this far, defaultMailBox should be initialised.

    HBufC8* guid = iGlobalData->InterimUtilsL().GlobalUidL();

    CleanupStack::PushL( guid );

    CCalEntry* entry = CCalEntry::NewL( CCalEntry::EAppt, 

                                                       guid,

                                                       CCalEntry::EMethodRequest,

                                                       0 );

    CleanupStack::Pop( guid );

    CleanupStack::PushL( entry );

    // Set initial start and end times from Active Calendar Context

    TTime focusedTime = iGlobalData->Context().FocusDateAndTimeL().TimeLocalL();

    TCalTime initialCalTime;

    // No need to handle floating time check here, as meetings are

    // always fixed.

    initialCalTime.SetTimeLocalL( focusedTime );

    entry->SetStartAndEndTimeL( initialCalTime, initialCalTime );

    //Set the organizer from the selected mailbox

    CCalUser* organizer = CCalUser::NewL( defaultMailBox.iEmailAddress );

    entry->SetOrganizerL( organizer );

    TTime instanceTime = entry->StartTimeL().TimeLocalL();

    EditEntryL( entry, instanceTime, MAgnEntryUi::ECreateNewEntry );

    CleanupStack::PopAndDestroy( entry );

    TRACE_EXIT_POINT;

    }

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

// CCalenEditUi::EditEntryL

// Opens the entry aEntry for editing

// (other items were commented in a header).

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

//

void CCalenEditUi::EditEntryL( CCalEntry* aEntry, 

                                         const TTime& aInstanceDate,

                                         MAgnEntryUi::TAgnEntryUiEditorMode aEditorMode )

    {

    TRACE_ENTRY_POINT;

    // Set the flag

    isEditorActive = ETrue;

    if( !iEditorsPlugin )

        {

        //Only created on first use

        LoadEditorsPluginL();

        if( !iEditorsPlugin )

            {

            // User was prompted to set a default mailbox and hit cancel

            // Entry will not be opened

            TRACE_EXIT_POINT;

            return;

            }

        }

    MAgnEntryUi::TAgnEntryUiInParams inParams( KUidCalendar,

                                               iGlobalData->CalSessionL(),

                                               aEditorMode );

    // Use floating time for non-timed entries 

    if( !CalenAgendaUtils::IsTimedEntryL(aEntry->EntryTypeL()) )

        {

        inParams.iInstanceDate.SetTimeLocalFloatingL( aInstanceDate );

        }

    else

        {

        inParams.iInstanceDate.SetTimeLocalL( aInstanceDate );

        }

    inParams.iMsgSession = NULL;

    MAgnEntryUi::TAgnEntryUiOutParams outParams;

    // Launch Entry UI

    RPointerArray<CCalEntry> entries;

    CleanupClosePushL( entries );

    entries.AppendL( aEntry );  // aEntry already in cleanup stack -> safe

    // Editors need a services implementation.

    MCalenServices* svc = CCalenServicesImpl::NewL();

    CleanupReleasePushL( *svc );

    inParams.iSpare = ( TInt )svc;

    // Stop the population of the current view

    iController.ViewManager().InterruptPopulationL();

    // hide the toolbar

    MCalenToolbar* toolbar = iController.Services().ToolbarOrNull();

    if(toolbar)

        {

        toolbar->SetToolbarVisibilityL(EFalse);  

        }

    // If a menubar is active,stop displaying it before launching editor

    TUid viewUid = iController.ViewManager().CurrentView();

    CEikMenuBar* menuBar = iController.AppUi().View(viewUid)->MenuBar();

    if(menuBar)

        {

        menuBar->StopDisplayingMenuBar();

        }

    // Launch the viewer / editor plugin

    iEditorsPlugin->ExecuteViewL( entries, inParams, outParams, *this );

    // Reset the flag

    isEditorActive = EFalse;

    // Unhide the toolbar when settings is closed

    if(toolbar)

        {

        toolbar->SetToolbarVisibilityL(ETrue); 

        }