vrfHierarchyPage.h

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/*******************************************************************************
** Copyright (c) 2013 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/



#pragma once

#include <vrvUtil/signalslib.h>
#include <vrfGuiCoreQt/vrfGuiCoreQt.h>
#include <vrfGuiCoreQt/vrfObjectListPanelPage.h>
#include <vrfGuiCoreQt/vrfObjectListViewItem.h>
#include <vrvCoreQt/DtPage.h>
#include <QtWidgets/QPushButton>
#include <vrvUtil/DtSignalConnectionManager.h>
#include <QtGui/QPixmap>
#include <QtWidgets/QStyledItemDelegate>

#include <boost/signal.hpp>

class QVBoxLayout;
class DtTreeWidget;
class QCheckBox;
class QFrame;
class QLineEdit;
class QPushButton;
class QHBoxLayout;
class QLabel;

namespace makVrf
{
   class DtVrfHierarchyPageLogic;
   class DtVrfTreeWidget;
   class DtMarkingTextSignalItemDelegate;

   class DT_DLL_VRFGUICOREQT DtScrollButtonArea : public QWidget
   {
   public:
      DtScrollButtonArea(QWidget* parent);

      virtual void scrollContentsBy(int x);

      QWidget* widget() { return myCanvas; };

      boost::signal<void (const QStringList&)> signal_deparent;

   protected:
      virtual void paintEvent(QPaintEvent* e);
      virtual void resizeEvent(QResizeEvent* e);
      virtual void dragEnterEvent(QDragEnterEvent *event);
      virtual void dropEvent(QDropEvent *e);

   protected:
      QWidget* myCanvas;
   };


   class DT_DLL_VRFGUICOREQT DtExpandCollapseButton : public QPushButton
   {
      Q_OBJECT

   public:

      DtExpandCollapseButton(QWidget *parent = NULL);
      virtual ~DtExpandCollapseButton();
      
      virtual void setExpandPixmap(QPixmap pix);
      virtual void setCollapsePixmap(QPixmap pix);
      virtual void setLevel(int level);
      virtual int level() const;
      virtual void setIsExpand(bool value);
      virtual bool isExpand() const;

   signals:

      void expandLevelClicked(unsigned int);
      void collapseLevelClicked(unsigned int);

   protected slots:

      virtual void buttonClicked();

   protected:

      virtual void paintEvent(QPaintEvent*);

   protected:
      QPixmap myExpandPixmap;
      QPixmap myCollapsePixmap;
      bool myIsExpand;
      int myLevel;
   };

   class DT_DLL_VRFGUICOREQT DtVrfHierarchyPage : public makVrv::DtPage
   {
      Q_OBJECT

   public:

      virtual ~DtVrfHierarchyPage();

      DtVrfTreeWidget* echelon();      

      virtual void selectObjects(const std::vector<DtVrfObjectListViewItem::DtVrfObjectState>);

      virtual std::vector<DtVrfObjectListViewItem::DtVrfObjectState> selectedObjects() const;

      virtual DtExpandCollapseButton* createExpandCollapseButton(unsigned int, int numButtons);

      virtual int initialSortColumn() const;

      virtual void changeForceOf(const QStringList& ids, int);

      virtual void setAllowNameChange(bool);
      virtual void setEditPressTime(double);

      boost::signal<void (QTreeWidgetItem*)> signal_itemDoubleClicked;

   public slots:
      virtual void onItemSelected();

   protected slots:
      virtual void onMarkingTextChanged(DtVrfObjectListViewItem*, const QString&);

      virtual void onRightClickOnItem(QTreeWidgetItem*, QMouseEvent*, int col);

      virtual void onScrollRangeChanged(int);
      virtual void onViewItemExpanded(QTreeWidgetItem*);
      virtual void onViewItemCollapsed(QTreeWidgetItem*);
      virtual void onExpandToLevel(unsigned int);
      virtual void onCollapseToLevel(unsigned int);

      virtual void itemDoubleClicked(QTreeWidgetItem*);

      virtual void executeTextFilter();
      virtual void resetTextFilter();

   protected:
      
      DtVrfHierarchyPage( makVrv::DtDe& de, QWidget* parent = 0, Qt::WindowFlags flags = 0);

      virtual DtVrfTreeWidget* createHierarchyList() = 0;
      virtual DtVrfHierarchyPageLogic* createLogic() = 0;

      virtual void setupUi(QWidget* p);
      virtual DtScrollButtonArea* createCollapseButtonConainer(QWidget* parent);

      virtual DtMarkingTextSignalItemDelegate* createTreeItemDelegate();

      virtual void slot_onDeParent(const QStringList&);
      virtual void slot_onReParent(const QStringList& children, makVrv::DtUniqueID parentId);

      virtual void createSearchBar();
      virtual void showSearchBars(bool);

      virtual void activate();

      virtual void deactivate();

   protected:
      DtVrfHierarchyPageLogic*  myLogic;
      makVrv::DtSignalConnectionManager myConnections;

   public:
      QVBoxLayout*         myMasterLayout;
      DtVrfTreeWidget*     myEchelon;
      DtScrollButtonArea*  myCollapseButtonWidget;
      QPixmap              myPlusPixmap;
      QPixmap              myMinusPixmap;
      QCheckBox*           myShowEchelonId;
      QFrame*              myDividingLine;

      QLabel*              mySearchLabel;
      QLineEdit*           mySearch;
      QPushButton*         myResetButton;
      QHBoxLayout*         mySearchBarLayout;
   };

   class DT_DLL_VRFGUICOREQT DtMarkingTextSignalItemDelegate : public QStyledItemDelegate
   {
      Q_OBJECT

   public:
      DtMarkingTextSignalItemDelegate(makVrv::DtDe& de, QObject* parent);
      virtual ~DtMarkingTextSignalItemDelegate();

      virtual QWidget* createEditor(QWidget *parent, const QStyleOptionViewItem &option,
                             const QModelIndex &index) const;

   protected:
      virtual void editingItemDestroyed();

   protected slots:
      virtual void editingFinished();
      virtual void cleanup();
      virtual void textChanged(const QString&);

   signals:
      void markingTextChanged(DtVrfObjectListViewItem*, const QString&);

   protected:
      makVrv::DtDe& myDe;
      mutable DtVrfObjectListViewItem* myCurrentlyEditing;
      mutable bool myNameChanged;
   };

   class DT_DLL_VRFGUICOREQT DtDragDropBoxItemDelegate : public DtMarkingTextSignalItemDelegate
   {
      Q_OBJECT

   public:
      DtDragDropBoxItemDelegate(makVrv::DtDe& de, QObject* parent);
      virtual ~DtDragDropBoxItemDelegate();

      virtual void paint(QPainter *painter,
                        const QStyleOptionViewItem &option,
                        const QModelIndex &index) const;

   protected:
      DtVrfTreeWidget* myTreeWidget;
   };

   class DT_DLL_VRFGUICOREQT DtDragDropBoxItemDelegateCreator : public makVrv::DtVirtualBaseClass
   {
   public:
      DtDragDropBoxItemDelegateCreator(makVrv::DtDe&);
      virtual ~DtDragDropBoxItemDelegateCreator();

      static DtDragDropBoxItemDelegateCreator& instance(makVrv::DtDe&);

      static void registerInstance(makVrv::DtDe& de, DtDragDropBoxItemDelegateCreator* instance);

      virtual DtDragDropBoxItemDelegate* create(QWidget* parent);

   protected:
      makVrv::DtDe& myDe;
   };
}