DtSelectInstanceWidget.h

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/******************************************************************************
** Copyright (c) 2008 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: DtSelectInstanceWidget.h,v $ $Revision: 1.11 $ $State: Exp $
******************************************************************************/


#pragma once
#include <vrvUtil/signalslib.h>
#include <vrvCoreQt/vrvCoreQt.h>
#include <QtGui/QWidget>

class QComboBox;
class QLabel;
class QPushButton;
class QStringList;
class QFrame;
class QVBoxLayout;
class QHBoxLayout;
class QSpacerItem;

namespace makVrv
{
   class DT_DLL_VRVCOREQT DtSelectInstanceWidget : public QWidget
   {
   Q_OBJECT;
   public:
      explicit DtSelectInstanceWidget(DtDe& de, QWidget* parent = 0, Qt::WindowFlags f = 0);

      virtual ~DtSelectInstanceWidget();

      void setSupportsRenaming(bool supportsRenaming);

      void setRenamingEnabled( bool enabled );

      void setSupportsAdding(bool supportsAdding);

      void setAddingEnabled( bool enabled );

      void setSupportsDeleting(bool supportsDeleting);

      void setDeletingEnabled( bool enabled );

      void getInstanceNames(QStringList& list) const;

      virtual int count() const;

      virtual int currentIndex() const;

      virtual QString currentName() const;

      virtual int findInstanceIndex(const QString& instanceName);

      virtual void clearInstances();

      virtual QString instanceName(int) const;

   public slots:

      virtual void setInstanceLabel(const QString& labelText );

      virtual void setInstanceIcon(const QString& instanceName, QIcon& icon, 
         bool clearOtherIcons);

      virtual void setInstanceNames(const QStringList& instanceNames);

      virtual void setCurrentIndex(int i);

      virtual void setCurrentInstanceName(const QString& instanceName);

      virtual void addInstance(QString name, int index = -1);


      virtual void removeInstance(int i);

      virtual void setShowSeparator(bool);

   public:
      boost::signal<void (int, const std::string&)> signal_currentInstanceChanged;
      boost::signal<void ()> signal_renameInstanceRequested;
      boost::signal<void ()> signal_newInstanceRequested;
      boost::signal<void ()> signal_deleteInstanceRequested;

   signals:

      void currentIndexChanged(int i);
      void instanceNamesChanged();

      void renameInstanceRequested();
      void newInstanceRequested();
      void deleteInstanceRequested();

   protected slots:

      void on_myNextButton_clicked();
      void on_myPreviousButton_clicked();
      void on_myRenameInstanceButton_clicked();
      void on_myNewInstanceButton_clicked();
      void on_myDeleteInstanceButton_clicked();
      void on_myInstanceBox_currentIndexChanged(int);

   protected:
      void updateButtons();

      void setupGui();

   protected:

      DtDe& myDe;
      QVBoxLayout* myMainLayout;
      QHBoxLayout* myButtonLayout;
      QLabel* myInstanceLabel;
      QPushButton* myNextButton;
      QPushButton* myPreviousButton;
      QComboBox* myInstanceBox;
      QPushButton* myRenameInstanceButton;
      QPushButton* myNewInstanceButton;
      QPushButton* myDeleteInstanceButton;
      bool myRenamingEnabled;
      bool myAddingEnabled;
      bool myDeletingEnabled;
      QFrame* mySeparator;

      QSpacerItem* myTopSpacer;
      QSpacerItem* myBottomSpacer;
      int myBufferSpace;
   };
}