echelonView.h

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/*********************************************************************
** Copyright (c) 2002 MAK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: echelonView.h,v $ $Revision: 1.10 $ $State: Exp $
*********************************************************************/



#ifndef DtEchelonView_H_
#define DtEchelonView_H_

#include <QtGui/QWidget>
#include <QtCore/QHash>

#include "tmqt/tmEchelonTree.h"

class DtEchelonHierarchy;
class DtEchelonViewOptions;
#include "symbolMapper/modelKey.h"
class DtTMEchelonTree;
class QVBoxLayout;
class DtModelData;
class DtBaseWindow;
class QLabel;

#include "tmqt/tmqtDefines.h"
class DT_DLL_tmqt DtEchelonView : public QWidget
{
   Q_OBJECT
public:

   DtEchelonView(const DtEchelonHierarchy *hier, 
      const DtEchelonViewOptions *opt = NULL);   

   virtual ~DtEchelonView();

   virtual bool init();

   virtual void syncWithHierarchy();

   virtual bool expanded(const DtModelKey &key) const;

   virtual bool parentsExpanded(const DtModelKey &key) const;

   virtual void setHierarchy(const DtEchelonHierarchy* hier);
   virtual const DtEchelonHierarchy* hierarchy() const;

   virtual void setOptions(DtEchelonViewOptions* options);
   virtual const DtEchelonViewOptions* options() const;

   void setEmbarkationHierarchy(DtEchelonHierarchy*);
   const DtEchelonHierarchy* embarkationHierarchy() const;

   virtual void setSelection(const QVector<DtModelKey>& selectionList);

   DtTMEchelonTree* echelonTree() const;

   virtual void tick();
   virtual void selectionModeChanged(DtBaseWindow* w);

   virtual void disableView(const QString&);
   virtual void enableView();

   virtual void initConnections();
public:

   static DtEchelonView* create(const DtEchelonHierarchy* hier, 
      const DtEchelonViewOptions* options);

public slots:
   virtual void addNode(const DtModelKey &key);
   virtual void removeNode(const DtModelKey &key);
   virtual void setExpanded(const DtModelKey &key, bool expand, QVector<DtModelKey>* remove = NULL, QVector<DtModelKey>* add = NULL);
   virtual void expandAllToLevel(int level, QVector<DtModelKey>* remove = NULL, QVector<DtModelKey>* add = NULL);
   virtual void expandNode(const DtModelKey &key, QVector<DtModelKey>* remove = NULL, QVector<DtModelKey>* add = NULL);
   virtual void collapseNode(const DtModelKey &key, QVector<DtModelKey>* remove = NULL, QVector<DtModelKey>* add = NULL);
   virtual void collapseParentNode(const DtModelKey &key, QVector<DtModelKey>* remove = NULL, QVector<DtModelKey>* add = NULL);
   
signals:
   void nodeExpanded(const DtModelKey&, QVector<DtModelKey>* remove, QVector<DtModelKey>* add);
   void nodeCollapsed(const DtModelKey&, QVector<DtModelKey>* remove, QVector<DtModelKey>* add);

   void selectionChanged(const QVector<DtModelKey>&);
   void selectionAdded(const QVector<DtModelKey>&);
   void clearSelection(bool);
   void showInformationClicked(const DtModelData&);
   void deleteRequested();
   
protected:

   QHash<DtModelKey, bool> myExpansionDict;

   const DtEchelonHierarchy *myHierarchy;
   const DtEchelonHierarchy *myEmbarkationHierarchy;

   const DtEchelonViewOptions *myOptions;

   bool  myAmOptionsOwner;

   QVBoxLayout*   myLayout;
   DtTMEchelonTree*  myEchelonTree;

   QLabel*        myDisabledReason;

protected:
   virtual DtTMEchelonTree* createEchelonTree(QWidget* parent);

private:
   DtEchelonView();
   DtEchelonView(const DtEchelonView& orig);
   DtEchelonView& operator=(const DtEchelonView& rhs);
};

inline void DtEchelonView::setEmbarkationHierarchy(DtEchelonHierarchy* h)
{
   myEmbarkationHierarchy = h;

   if (myEchelonTree)
   {
      myEchelonTree->setEmbarkationHierarchy(h);
   }
}

inline const DtEchelonHierarchy* DtEchelonView::embarkationHierarchy() const
{
   return myEmbarkationHierarchy;
}

inline DtTMEchelonTree* DtEchelonView::echelonTree() const
{
   return myEchelonTree;
}

#endif