ADD: vector data handler for vertex edition and geometries translation

Code/Visualization/otbVectorDataEditVertexActionHandler.h

+/*=========================================================================
+
+  Program:   ORFEO Toolbox
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+  See OTBCopyright.txt for details.
+
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef __otbVectorDataEditVertexActionHandler_h
+#define __otbVectorDataEditVertexActionHandler_h
+
+#include "otbImageWidgetActionHandler.h"
+#include "otbMacro.h"
+
+namespace otb
+{
+/** \class VectorDataEditVertexActionHandler
+ *  \brief Handles the user action for vector data vertex edition
+ *
+ *  \sa VectorDataModel
+ *
+ */
+template<class TModel, class TView>
+class VectorDataEditVertexActionHandler : public ImageWidgetActionHandler
+{
+public:
+  /** Standard class typedefs */
+  typedef VectorDataEditVertexActionHandler       Self;
+  typedef ImageWidgetActionHandler      Superclass;
+  typedef itk::SmartPointer<Self>       Pointer;
+  typedef itk::SmartPointer<const Self> ConstPointer;
+
+  /** Method for creation through the object factory */
+  itkNewMacro(Self);
+
+  /** Runtime information */
+  itkTypeMacro(VectorDataEditVertexActionHandler, ImageWidgetActionHandler);
+
+  /** Model typedefs */
+  typedef TModel                       ModelType;
+  typedef typename ModelType::Pointer  ModelPointerType;
+  typedef typename ModelType::PointType PointType;
+
+  /** View typedefs */
+  typedef TView                         ViewType;
+  typedef typename ViewType::Pointer    ViewPointerType;
+
+  /** Handle widget event
+   * \param widgetId The id of the moved widget
+   * \param event The event
+   * \return The handling return code
+   */
+  virtual bool HandleWidgetEvent(const std::string& widgetId, int event)
+  {
+    if (m_View.IsNotNull() && m_Model.IsNotNull() && this->GetIsActive())
+      {
+      typename ViewType::ImageWidgetType::Pointer sourceWidget = NULL;
+
+      if (widgetId == m_View->GetFullWidget()->GetIdentifier())
+        {
+        sourceWidget = m_View->GetFullWidget();
+        }
+      else if (widgetId == m_View->GetZoomWidget()->GetIdentifier())
+        {
+        sourceWidget = m_View->GetZoomWidget();
+        }
+
+      // Drag using the middle button (2) of the mouse
+      if (sourceWidget && Fl::event_button() == m_DragMouseButton)
+        {
+        switch (event)
+          {
+          case FL_PUSH:
+          {
+          m_InScreenPointPushed = m_View->GetFullWidget()->GetMousePosition();
+          m_PointPushed = m_View->GetFullWidget()->GetScreenToImageTransform()->TransformPoint(m_InScreenPointPushed);
+          m_Model->SearchDataNodeIndexFromPoint(m_PointPushed);
+          return true;
+          }
+          case FL_DRAG:
+          {
+          // Get the cursor position
+          PointType inScreenPoint, dstPoint;
+          inScreenPoint[0] = Fl::event_x();
+          inScreenPoint[1] = m_View->GetFullWidget()->h() - Fl::event_y();
+
+          double tx = -m_InScreenPointPushed[0] + inScreenPoint[0];
+          double ty = -m_InScreenPointPushed[1] + inScreenPoint[1];
+          
+          dstPoint[0] = m_PointPushed[0] + tx;
+          dstPoint[1] = m_PointPushed[1] - ty;
+          
+          // Call the model methods
+          m_Model->UpdatePoint(m_PointPushed, dstPoint);
+          m_Model->Update();
+
+          // Update the variables
+          m_PointPushed[0] += tx;
+          m_PointPushed[1] -= ty;
+          m_InScreenPointPushed[0] += tx;
+          m_InScreenPointPushed[1] += ty;
+
+          return true;
+          }
+          }
+        }     
+      }
+    return false;
+  }
+
+  /** Set/Get the pointer to the view */
+  itkSetObjectMacro(View, ViewType);
+  itkGetObjectMacro(View, ViewType);
+
+  /** Set/Get the pointer to the model */
+  itkSetObjectMacro(Model, ModelType);
+  itkGetObjectMacro(Model, ModelType);
+  
+  /** Set/Get End polygon Mouse button */
+  itkSetMacro(DragMouseButton, int);
+  itkGetMacro(DragMouseButton, int);
+
+protected:
+  /** Constructor */
+  VectorDataEditVertexActionHandler() :
+    m_View(), m_Model(), m_DragMouseButton(2)
+  {
+  }
+
+  /** Destructor */
+  virtual ~VectorDataEditVertexActionHandler()
+  {
+  }
+  /** Printself method */
+  void PrintSelf(std::ostream& os, itk::Indent indent) const
+  {
+    Superclass::PrintSelf(os, indent);
+  }
+
+private:
+  VectorDataEditVertexActionHandler(const Self&); // purposely not implemented
+  void operator =(const Self&); // purposely not implemented
+
+  // Pointer to the view
+  ViewPointerType m_View;
+
+  // Pointer to the model
+  ModelPointerType m_Model;
+  
+  /// Drag polygon Mouse button
+  int        m_DragMouseButton;
+
+  PointType  m_PointPushed;
+  PointType  m_InScreenPointPushed;
+
+}; // end class
+} // end namespace otb
+
+#endif

Code/Visualization/otbVectorDataTranslateGeometryActionHandler.h

+/*=========================================================================
+
+  Program:   ORFEO Toolbox
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+  See OTBCopyright.txt for details.
+
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef __otbVectorDataTranslateGeometryActionHandler_h
+#define __otbVectorDataTranslateGeometryActionHandler_h
+
+#include "otbImageWidgetActionHandler.h"
+#include "otbMacro.h"
+
+namespace otb
+{
+/** \class VectorDataTranslateGeometryActionHandler
+ *  \brief Handles the user action for geometries translation
+ *
+ *  \sa VectorDataModel
+ *
+ */
+template<class TModel, class TView>
+class VectorDataTranslateGeometryActionHandler : public ImageWidgetActionHandler
+{
+public:
+  /** Standard class typedefs */
+  typedef VectorDataTranslateGeometryActionHandler       Self;
+  typedef ImageWidgetActionHandler      Superclass;
+  typedef itk::SmartPointer<Self>       Pointer;
+  typedef itk::SmartPointer<const Self> ConstPointer;
+
+  /** Method for creation through the object factory */
+  itkNewMacro(Self);
+
+  /** Runtime information */
+  itkTypeMacro(VectorDataTranslateGeometryActionHandler, ImageWidgetActionHandler);
+
+  /** Model typedefs */
+  typedef TModel                       ModelType;
+  typedef typename ModelType::Pointer  ModelPointerType;
+  typedef typename ModelType::PointType PointType;
+
+  /** View typedefs */
+  typedef TView                         ViewType;
+  typedef typename ViewType::Pointer    ViewPointerType;
+
+  /** Handle widget event
+   * \param widgetId The id of the moved widget
+   * \param event The event
+   * \return The handling return code
+   */
+  virtual bool HandleWidgetEvent(const std::string& widgetId, int event)
+  {
+    if (m_View.IsNotNull() && m_Model.IsNotNull() && this->GetIsActive())
+      {
+      typename ViewType::ImageWidgetType::Pointer sourceWidget = NULL;
+
+      if (widgetId == m_View->GetFullWidget()->GetIdentifier())
+        {
+        sourceWidget = m_View->GetFullWidget();
+        }
+      else if (widgetId == m_View->GetZoomWidget()->GetIdentifier())
+        {
+        sourceWidget = m_View->GetZoomWidget();
+        }
+
+      // Drag using the middle button (2) of the mouse
+      if (sourceWidget && Fl::event_button() == m_DragMouseButton)
+        {
+        switch (event)
+          {
+          case FL_PUSH:
+          {
+          m_InScreenPointPushed = m_View->GetFullWidget()->GetMousePosition();
+          m_PointPushed = m_View->GetFullWidget()->GetScreenToImageTransform()->TransformPoint(m_InScreenPointPushed);
+
+          m_Model->SearchDataNodeIndexFromPoint(m_PointPushed);
+          return true;
+          }
+          case FL_DRAG:
+          {
+          // Get the cursor position
+          PointType inScreenPoint;
+          inScreenPoint[0] = Fl::event_x();
+          inScreenPoint[1] = m_View->GetFullWidget()->h() - Fl::event_y();
+
+          double tx = -m_InScreenPointPushed[0] + inScreenPoint[0];
+          double ty = -m_InScreenPointPushed[1] + inScreenPoint[1];
+
+          // Call the model methods
+          m_Model->UpdateGeometryPosition(tx, -ty);
+          m_Model->Update();
+
+          // Update the variables
+          m_InScreenPointPushed[0] += tx;
+          m_InScreenPointPushed[1] += ty;
+
+          return true;
+          }
+          default:
+          {
+          return false;
+          }
+          }
+        }     
+      }
+    return false;
+  }
+
+  /** Set/Get the pointer to the view */
+  itkSetObjectMacro(View, ViewType);
+  itkGetObjectMacro(View, ViewType);
+
+  /** Set/Get the pointer to the model */
+  itkSetObjectMacro(Model, ModelType);
+  itkGetObjectMacro(Model, ModelType);
+  
+  /** Set/Get End polygon Mouse button */
+  itkSetMacro(DragMouseButton, int);
+  itkGetMacro(DragMouseButton, int);
+
+protected:
+  /** Constructor */
+  VectorDataTranslateGeometryActionHandler() :
+    m_View(), m_Model(), m_DragMouseButton(2)
+  {
+  }
+
+  /** Destructor */
+  virtual ~VectorDataTranslateGeometryActionHandler()
+  {
+  }
+  /** Printself method */
+  void PrintSelf(std::ostream& os, itk::Indent indent) const
+  {
+    Superclass::PrintSelf(os, indent);
+  }
+
+private:
+  VectorDataTranslateGeometryActionHandler(const Self&); // purposely not implemented
+  void operator =(const Self&); // purposely not implemented
+
+  // Pointer to the view
+  ViewPointerType m_View;
+
+  // Pointer to the model
+  ModelPointerType m_Model;
+  
+  /// Drag polygon Mouse button
+  int        m_DragMouseButton;
+
+  PointType  m_PointPushed;
+  PointType  m_InScreenPointPushed;
+
+}; // end class
+} // end namespace otb
+
+#endif