/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//																			//
//	pfGUIRadioGroupCtrl Definition											//
//																			//
//////////////////////////////////////////////////////////////////////////////

#include "hsTypes.h"
#include "pfGUIRadioGroupCtrl.h"
#include "pfGameGUIMgr.h"
#include "pfGUICheckBoxCtrl.h"
#include "pfGUIControlHandlers.h"

#include "../pnMessage/plRefMsg.h"
#include "../pfMessage/pfGameGUIMsg.h"
#include "plgDispatch.h"
#include "hsResMgr.h"

//// Wee Little Control Proc for our buttons /////////////////////////////////

class pfGroupProc : public pfGUICtrlProcObject
{
	protected:

		pfGUIRadioGroupCtrl	*fParent;

	public:

		pfGroupProc( pfGUIRadioGroupCtrl *parent )
		{
			fParent = parent;
		}

		virtual void	DoSomething( pfGUIControlMod *ctrl )
		{
			Int32	newIdx;


			// So one of our controls got clicked. That means that we change our value
			// to the proper index
			
			pfGUICheckBoxCtrl *check = pfGUICheckBoxCtrl::ConvertNoRef( ctrl );

			// Are we unselecting? And do we allow this?
			if( !check->IsChecked() && !fParent->HasFlag( pfGUIRadioGroupCtrl::kAllowNoSelection ) )
			{
				// Boo on you. Re-check
				check->SetChecked( true );
				return;
			}

			for( newIdx = 0; newIdx < fParent->fControls.GetCount(); newIdx++ )
			{
				if( fParent->fControls[ newIdx ] == check )
					break;
			}

			if( newIdx == fParent->fControls.GetCount() )
				newIdx = -1;

			if( newIdx != fParent->fValue )
			{
				if( fParent->fValue != -1 )
					fParent->fControls[ fParent->fValue ]->SetChecked( false );

				fParent->fValue = newIdx;
				if( newIdx != -1 )
					fParent->fControls[ newIdx ]->SetChecked( true );
			}
			else
			{
				if( !check->IsChecked() && fParent->HasFlag( pfGUIRadioGroupCtrl::kAllowNoSelection ) )
				{
					// nobody is checked!
					fParent->fValue = -1;
				}
			}

			fParent->DoSomething();
		}
};

//// Constructor/Destructor //////////////////////////////////////////////////

pfGUIRadioGroupCtrl::pfGUIRadioGroupCtrl()
{
	fButtonProc = TRACKED_NEW pfGroupProc( this );
	fButtonProc->IncRef();
	SetFlag( kIntangible );
}

pfGUIRadioGroupCtrl::~pfGUIRadioGroupCtrl()
{
	if( fButtonProc->DecRef() )
		delete fButtonProc;
}

//// IEval ///////////////////////////////////////////////////////////////////

hsBool	pfGUIRadioGroupCtrl::IEval( double secs, hsScalar del, UInt32 dirty )
{
	return pfGUIControlMod::IEval( secs, del, dirty );
}

//// MsgReceive //////////////////////////////////////////////////////////////

hsBool	pfGUIRadioGroupCtrl::MsgReceive( plMessage *msg )
{
	plGenRefMsg	*refMsg = plGenRefMsg::ConvertNoRef( msg );
	if( refMsg != nil )
	{
		if( refMsg->fType == kRefControl )
		{
			if( refMsg->GetContext() & ( plRefMsg::kOnCreate | plRefMsg::kOnRequest | plRefMsg::kOnReplace ) )
			{
				fControls[ refMsg->fWhich ] = pfGUICheckBoxCtrl::ConvertNoRef( refMsg->GetRef() );
				fControls[ refMsg->fWhich ]->SetHandler( fButtonProc );
				if( fValue == refMsg->fWhich )
					fControls[ refMsg->fWhich ]->SetChecked( true );
			}
			else
			{
				fControls[ refMsg->fWhich ] = nil;
			}
			return true;
		}
	}

	return pfGUIControlMod::MsgReceive( msg );
}

//// Read/Write //////////////////////////////////////////////////////////////

void	pfGUIRadioGroupCtrl::Read( hsStream *s, hsResMgr *mgr )
{
	pfGUIControlMod::Read(s, mgr);

	UInt32	i, count = s->ReadSwap32();
	fControls.SetCountAndZero( count );

	for( i = 0; i < count; i++ )
	{
		mgr->ReadKeyNotifyMe( s, TRACKED_NEW plGenRefMsg( GetKey(), plRefMsg::kOnCreate, i, kRefControl ), plRefFlags::kActiveRef );
	}

	fValue = fDefaultValue = s->ReadSwap16();
	if( fValue != -1 && fControls[ fValue ] != nil )
		fControls[ fValue ]->SetChecked( true );
}

void	pfGUIRadioGroupCtrl::Write( hsStream *s, hsResMgr *mgr )
{
	UInt32	i;


	pfGUIControlMod::Write( s, mgr );

	s->WriteSwap32( fControls.GetCount() );
	for( i = 0; i < fControls.GetCount(); i++ )
		mgr->WriteKey( s, fControls[ i ]->GetKey() );

	s->WriteSwap16( (UInt16)fDefaultValue );
}

//// SetValue ////////////////////////////////////////////////////////////////

void	pfGUIRadioGroupCtrl::SetValue( Int32 value )
{
	if( value != fValue && ( value != -1 || HasFlag( kAllowNoSelection ) ) )
	{
		if( fValue != -1 )
			fControls[ fValue ]->SetChecked( false );

		fValue = value;
		if( value != -1 )
			fControls[ value ]->SetChecked( true );

		DoSomething();
	}
}

///// Setting to be trickled down to the underlings

void	pfGUIRadioGroupCtrl::SetEnabled( hsBool e )
{
	int i;
	for( i = 0; i < fControls.GetCount(); i++ )
		fControls[ i ]->SetEnabled(e);
}

void	pfGUIRadioGroupCtrl::SetInteresting( hsBool e )
{
	int i;
	for( i = 0; i < fControls.GetCount(); i++ )
		fControls[ i ]->SetInteresting(e);
}

void	pfGUIRadioGroupCtrl::SetVisible( hsBool vis )
{
	int i;
	for( i = 0; i < fControls.GetCount(); i++ )
		fControls[ i ]->SetVisible(vis);
}

void	pfGUIRadioGroupCtrl::SetControlsFlag( int flag )
{
	int i;
	for( i = 0; i < fControls.GetCount(); i++ )
		fControls[ i ]->SetFlag(flag);
}


void	pfGUIRadioGroupCtrl::ClearControlsFlag( int flag )
{
	int i;
	for( i = 0; i < fControls.GetCount(); i++ )
		fControls[ i ]->ClearFlag(flag);
}


//// Export Functions ////////////////////////////////////////////////////////

void	pfGUIRadioGroupCtrl::ClearControlList( void )
{
	fControls.Reset();
	fValue = -1;
}

void	pfGUIRadioGroupCtrl::AddControl( pfGUICheckBoxCtrl *ctrl )
{
	fControls.Append( ctrl );
}