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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Helper for the CHudElement class to add themselves to the list of hud elements
//
// $NoKeywords: $
//=============================================================================//
#include "vgui/IVGui.h"
#include "vgui_controls/MessageMap.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
using namespace vgui;
// Start with empty list
CBuildFactoryHelper *CBuildFactoryHelper::m_sHelpers = NULL;
//-----------------------------------------------------------------------------
// Purpose: Constructs a panel factory
// Input : pfnCreate - fn Ptr to a function which generates a panel
//-----------------------------------------------------------------------------
CBuildFactoryHelper::CBuildFactoryHelper( char const *className, PANELCREATEFUNC func )
{
// Make this fatal
if ( HasFactory( className ) )
{
Error( "CBuildFactoryHelper: Factory for '%s' already exists!!!!\n", className );
}
//List is empty, or element belongs at front, insert here
m_pNext = m_sHelpers;
m_sHelpers = this;
Assert( func );
m_CreateFunc = func;
Assert( className );
m_pClassName = className;
}
//-----------------------------------------------------------------------------
// Purpose: Returns next object in list
// Output : CBuildFactoryHelper
//-----------------------------------------------------------------------------
CBuildFactoryHelper *CBuildFactoryHelper::GetNext( void )
{
return m_pNext;
}
char const *CBuildFactoryHelper::GetClassName() const
{
return m_pClassName;
}
vgui::Panel *CBuildFactoryHelper::CreatePanel()
{
if ( !m_CreateFunc )
return NULL;
return ( *m_CreateFunc )();
}
// private static meethod
bool CBuildFactoryHelper::HasFactory( char const *className )
{
CBuildFactoryHelper *p = m_sHelpers;
while ( p )
{
if ( !Q_stricmp( className, p->GetClassName() ) )
return true;
p = p->GetNext();
}
return false;
}
// static method
vgui::Panel *CBuildFactoryHelper::InstancePanel( char const *className )
{
CBuildFactoryHelper *p = m_sHelpers;
while ( p )
{
if ( !Q_stricmp( className, p->GetClassName() ) )
return p->CreatePanel();
p = p->GetNext();
}
return NULL;
}
// static method
void CBuildFactoryHelper::GetFactoryNames( CUtlVector< char const * >& list )
{
list.RemoveAll();
CBuildFactoryHelper *p = m_sHelpers;
while ( p )
{
list.AddToTail( p->GetClassName() );
p = p->GetNext();
}
}
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