From 20db2187d1929d6e2cda18d1854ad71a1d4e4698 Mon Sep 17 00:00:00 2001
From: Emmanuel Christophe <emmanuel.christophe@orfeo-toolbox.org>
Date: Tue, 8 Sep 2009 12:42:36 +0800
Subject: [PATCH] ENH: Add otbVectorDataActionHandler to handle the user action
creating a VectorData
---
.../otbVectorDataActionHandler.h | 176 ++++++++++++++++++
1 file changed, 176 insertions(+)
create mode 100644 Code/Visualization/otbVectorDataActionHandler.h
diff --git a/Code/Visualization/otbVectorDataActionHandler.h b/Code/Visualization/otbVectorDataActionHandler.h
new file mode 100644
index 0000000000..8221305af1
--- /dev/null
+++ b/Code/Visualization/otbVectorDataActionHandler.h
@@ -0,0 +1,176 @@
+/*=========================================================================
+
+ 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 __otbVectorDataActionHandler_h
+#define __otbVectorDataActionHandler_h
+
+#include "otbImageWidgetActionHandler.h"
+#include "otbMacro.h"
+
+namespace otb
+{
+/** \class VectorDataActionHandler
+ * \brief Handles the user action creating vector data in an OTB application
+ *
+ * \sa VectorDataModel
+ *
+ */
+template<class TModel, class TView>
+class VectorDataActionHandler: public ImageWidgetActionHandler
+{
+public:
+ /** Standard class typedefs */
+ typedef VectorDataActionHandler 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(VectorDataActionHandler,ImageWidgetActionHandler)
+ ;
+
+ /** Model typedefs */
+ typedef TModel ModelType;
+ typedef typename ModelType::Pointer ModelPointerType;
+
+ /** View typedefs */
+ typedef TView ViewType;
+ typedef typename ViewType::Pointer ViewPointerType;
+ typedef typename ViewType::OffsetType OffsetType;
+
+ /** Handle widget event
+ * \param widgetId The id of the moved widget
+ * \param event The event
+ * \return The handling return code
+ */
+ virtual bool HandleWidgetEvent(std::string widgetId, int event)
+ {
+ if (m_View.IsNotNull() && m_Model.IsNotNull())
+ {
+ //Left click
+ if (widgetId == m_View->GetFullWidget()->GetIdentifier() && event
+ == FL_PUSH && Fl::event_button() == 1)
+ {
+ otbMsgDevMacro(<<"VectorDataActionHandler::HandleWidgetEvent(): left click handling ("<<widgetId<<", "<<event<<")");
+
+ // Get the clicked index
+ typename ViewType::ImageWidgetType::PointType screenPoint, imagePoint;
+ screenPoint = m_View->GetFullWidget()->GetMousePosition();
+
+ //FIXME: check if the index is inside the widget
+
+ // Transform to image point
+ imagePoint
+ = m_View->GetFullWidget()->GetScreenToImageTransform()->TransformPoint(
+ screenPoint);
+
+ // Transform to index
+ typename ModelType::VertexType index;
+ index[0] = imagePoint[0];
+ index[1] = imagePoint[1];
+
+ //Add Offset
+ index[0] += m_Offset[0];
+ index[1] += m_Offset[1];
+
+ // Add the point
+ m_Model->AddPointToGeometry(index);
+ // Update model
+ m_Model->Update();
+ return true;
+ }
+ //Right click
+ if (widgetId == m_View->GetFullWidget()->GetIdentifier() && event
+ == FL_PUSH && Fl::event_button() == 3)
+ {
+ otbMsgDevMacro(<<"VectorDataActionHandler::HandleWidgetEvent(): right click handling ("<<widgetId<<", "<<event<<")");
+ m_Model->EndGeometry();
+ // Update model
+ m_Model->Update();
+ return true;
+ }
+
+ //Delete key pressed
+ if ((event == FL_KEYBOARD) || (event == FL_SHORTCUT))
+ {
+ switch(Fl::event_key())
+ {
+ case FL_Delete:
+ {
+ m_Model->DeleteGeometry();
+ // Update model
+ m_Model->Update();
+ return true;
+ break;
+ }
+ }
+ }
+
+ }
+ 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 Offset */
+ itkSetMacro(Offset,OffsetType);
+ itkGetMacro(Offset,OffsetType);
+
+protected:
+ /** Constructor */
+ VectorDataActionHandler() :
+ m_Offset(), m_View(), m_Model()
+ {
+ }
+
+ /** Destructor */
+ virtual ~VectorDataActionHandler()
+ {
+ }
+ /** Printself method */
+ void PrintSelf(std::ostream& os, itk::Indent indent) const
+ {
+ Superclass::PrintSelf(os, indent);
+ }
+
+private:
+ VectorDataActionHandler(const Self&); // purposely not implemented
+ void operator=(const Self&); // purposely not implemented
+
+ //Offset
+ OffsetType m_Offset;
+
+ // Pointer to the view
+ ViewPointerType m_View;
+
+ // Pointer to the model
+ ModelPointerType m_Model;
+
+}; // end class
+} // end namespace otb
+
+#endif
--
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