Code/Sandbox/Plugins/EditorCommon/NodeGraph/AbstractConnectionItem.h

   1 // Copyright 2001-2018 Crytek GmbH / Crytek Group. All rights reserved.
   2
   3 #pragma once
   4
   5 #include "AbstractNodeGraphViewModelItem.h"
   6
   7 #include <CrySandbox/CrySignal.h>
   8
   9 class QColor;
  10
  11 namespace CryGraphEditor {
  12
  13 class CNodeGraphViewModel;
  14 class CNodeGraphView;
  15
  16 class CAbstractPinItem;
  17 class CConnectionWidget;
  18
  19 class EDITOR_COMMON_API CAbstractConnectionItem : public CAbstractNodeGraphViewModelItem
  20 {
  21 public:
  22         enum : int32 { Type = eItemType_Connection };
  23
  24 public:
  25         CAbstractConnectionItem(CNodeGraphViewModel& viewModel); //[[deprecated("Use new constructor that requires to set source and target pin.")]]
  26         CAbstractConnectionItem(CAbstractPinItem& sourcePin, CAbstractPinItem& targetPin, CNodeGraphViewModel& viewModel);
  27         virtual ~CAbstractConnectionItem();
  28
  29         // CAbstractNodeGraphViewModelItem
  30         virtual int32 GetType() const override       { return Type; }
  31
  32         virtual bool  IsDeactivated() const override { return m_isDeactivated; }
  33         virtual void  SetDeactivated(bool isDeactivated) override;
  34         // ~CAbstractNodeGraphViewModelItem
  35
  36         virtual QVariant           GetId() const = 0;
  37         virtual bool               HasId(QVariant id) const = 0;
  38
  39         virtual CConnectionWidget* CreateWidget(CNodeGraphView& view) = 0;
  40         virtual const char*        GetStyleId() const { return "Connection"; }
  41
  42         virtual CAbstractPinItem&  GetSourcePinItem() const
  43         {
  44                 CRY_ASSERT_MESSAGE(m_pSourcePin, "Source pin not set. Application about to crash.");
  45                 return *m_pSourcePin;
  46         }
  47         virtual CAbstractPinItem& GetTargetPinItem() const
  48         {
  49                 CRY_ASSERT_MESSAGE(m_pTargetPin, "Target pin not set. Application about to crash.");
  50                 return *m_pTargetPin;
  51         }
  52
  53 public:
  54         CCrySignal<void()> SignalDeactivatedChanged;
  55
  56 private:
  57         CAbstractPinItem* m_pSourcePin;
  58         CAbstractPinItem* m_pTargetPin;
  59
  60         bool              m_isDeactivated : 1;
  61 };
  62
  63 }