DtObserverViewsWidget.h

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/******************************************************************************
** Copyright (c) 2022 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once
#include <vrvCoreQt/vrvCoreQt.h>
#include <vrvCoreQt/DtPage.h>
#include <vrvCoreQt/DtTreeWidget.h>
#include <vrvCoreQt/DtObserverViewsWidgetInterface.h>
#include <vrvCore/DtObserverViewInfoViewerData.h>

#include <vrvUtil/DtUnicode.h>
#include <vrvUtil/DtVirtualBaseClass.h>

#include <QtWidgets/QStyledItemDelegate>
#include <QtWidgets/QTreeWidget>

class QTreeWidget;
class QVBoxLayout;
class QHBoxLayout;
class QPushButton;
class QStyleOption;
class QMessageBox;
class QIcon;


namespace makVrv
{
   class DtQtreeView;
   class DtObserverViewsWidgetCreator;
   
   class DT_DLL_VRVCOREQT DtObserverViewsWidget
      : public QWidget
      , public DtObserverViewsWidgetInterface
   {
      Q_OBJECT
      friend DtObserverViewsWidgetCreator;

   public:

      virtual ~DtObserverViewsWidget();

   public:

      virtual QIcon icon();

      virtual QString title();

      bool getClickedObserverViewInfo(DtUnicode& viewName, DtObserverViewsManager::ViewProjection& projection) const;

      virtual void showSaveChangesMessage();

      virtual void showClearWarningMessage();

      virtual void showAssociateWarningMessage();

      virtual void showDissociateWarningMessage();

      virtual void requestSaveFilename();   

      virtual void contextItemRequestSaveFilename();

      virtual void resizeColumns();

   protected:

      DtObserverViewsWidget(DtDe& de, QWidget* parent = 0);

      virtual void activate();

      virtual void deactivate();

      void setupUi(QWidget* p);

      virtual void insertObserverView(int index, const DtObserverViewInfoViewerData& observerData);

      virtual void clearObserverViews();

      virtual void deleteView(const std::string&, DtObserverViewsManager::ViewProjection projection);

      virtual void renameObserverRecord(const std::string& newName, 
         const std::string& oldName);

      virtual void setDefaultView(const std::string& viewName, DtObserverViewsManager::ViewProjection projection);

      virtual void unSetDefaultView(const std::string& viewName, DtObserverViewsManager::ViewProjection projection);

      virtual bool eventFilter(QObject *obj, QEvent *event) override;

      virtual void dragEnterEvent(QDragEnterEvent* event) override;

      virtual void dropEvent(QDropEvent* event) override;

   protected slots:

      virtual void onAddObserverView();

      virtual void onViewSelectionChanged();

      virtual void onItemPressed();

      virtual void onClearObserverViews();

      virtual void onAssociateViewsToTerrain();

      virtual void onSaveViewsToFile();

      virtual void onLoadAndMergeViews();

      virtual void observerViewNameChanged();

      void onRightClicked(QTreeWidgetItem*, QMouseEvent*, int col, int row);

      virtual void onDissociateViewsToTerrain();

      virtual void enableObserverViewsList(bool enabled);

      virtual void enableAddViewButton(bool enabled);

      virtual void enableAssociateViewsToTerrainButton(bool enabled);

      virtual void enableSaveToFileButton(bool enabled);

      virtual void enableSaveButton(bool enabled);

      virtual void enableDissociateViewsButton(bool enabled);

      virtual void enableLoadAndMergeViewsButton(bool enabled);

      virtual void enableClearViewsButton(bool enabled);

      // !\brief enables the "Associate Views To Terrain" button
      virtual void setAssociateViewsToTerrainButtonOnExitMessageVisible(bool visible);

      // !\brief enables the "Saved Changes Button" button
      virtual void setSavedChangesButtonOnExitMessageVisible(bool visible);

      // !\brief return the number of observer views in the widget
      virtual int viewListSize();

      virtual void dissociateViewFromTerrain(const std::string& viewName);

   protected:
      QVBoxLayout*   myMainLayout;
      QHBoxLayout*   myButtonLayout;
      DtQtreeView*   myObserverViewsList;
      QPushButton*   myAddView;
      QPushButton*   myDissociateViews;
      QPushButton*   myAssociateViewsToTerrain;
      QPushButton*   mySaveToFile;
      QPushButton*   myLoadViews;
      QPushButton*   myClearViews;
      double         myLastSelectionChangedSimTime;
      int            myItemLeftClickedIndex;
      DtDe& myDe;
      QMessageBox*   myMessageBox;
      QPushButton*   mySavedChangesExitMessageButton;
      QPushButton*   mySavedAsChangesExitMessageButton;
      QPushButton*   myDontSaveChangesExitMessageButton;
      QPushButton*   myAssociateViewsToTerrainExitMessageButton;
      bool mySaveEnabled;
      int myIconColumnSize;

   };

   class DT_DLL_VRVCOREQT DtQtreeView : public DtTreeWidget
   {
      Q_OBJECT
   public:
      DtQtreeView(QWidget *parent = 0);
   protected:
      virtual void mousePressEvent(QMouseEvent *event);
      virtual void resizeEvent(QResizeEvent *event);
      QWidget* myParent;
   signals:
      void rightClickOnItem(QTreeWidgetItem*, QMouseEvent*, int col, int row);

   };

   class DT_DLL_VRVCOREQT DtObserverViewIconColumnData
   {
   public:
      DtObserverViewIconColumnData();
      DtObserverViewIconColumnData(const DtObserverViewIconColumnData& org);
      ~DtObserverViewIconColumnData();
      
   public:
      bool isDefault() const;
      void setIsDefault(bool val);

      DtObserverViewsManager::ViewProjection viewProjection() const;
      void setViewProjection(DtObserverViewsManager::ViewProjection projection);
      
      bool isAssociated() const;
      void setIsAssociated(bool val);

   protected:
      bool myIsDefault;
      DtObserverViewsManager::ViewProjection myViewProjection;
      bool myIsAssociated;
   };
  
   class DT_DLL_VRVCOREQT DtObserverViewsWidgetCreator : public DtVirtualBaseClass
   {
   public:

      DtObserverViewsWidgetCreator(DtDe& de);

      virtual ~DtObserverViewsWidgetCreator();

      DtObserverViewsWidgetCreator() = delete;

      DtObserverViewsWidgetCreator(
         const DtObserverViewsWidgetCreator &other) = delete;

      DtObserverViewsWidgetCreator &operator=(
         const DtObserverViewsWidgetCreator &other) = delete;

   public:

      static DtObserverViewsWidgetCreator& instance(DtDe& de);

      static void registerInstance(DtDe& de, DtObserverViewsWidgetCreator* instance);

      virtual DtObserverViewsWidget* create( QWidget* parent);
   
   protected:
      DtDe& myDe;
   };

}

Q_DECLARE_METATYPE(makVrv::DtObserverViewIconColumnData)