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/*=========================================================================
Program: ParaView
Module: vtkSMContextViewProxy.h
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 notice for more information.
=========================================================================*/
/**
* @class vtkSMContextViewProxy
* @brief abstract base class for all Chart Views.
*
* vtkSMContextViewProxy is an abstract base class for all vtkContextView
* subclasses.
*/
#ifndef vtkSMContextViewProxy_h
#define vtkSMContextViewProxy_h
#include "vtkNew.h" // needed for vtkInteractorObserver.
#include "vtkPVServerManagerRenderingModule.h" //needed for exports
#include "vtkSMViewProxy.h"
class vtkAbstractContextItem;
class vtkContextView;
class vtkEventForwarderCommand;
class vtkRenderWindow;
class vtkRenderWindowInteractor;
class vtkSelection;
class vtkSMViewProxyInteractorHelper;
class VTKPVSERVERMANAGERRENDERING_EXPORT vtkSMContextViewProxy : public vtkSMViewProxy
{
public:
static vtkSMContextViewProxy* New();
vtkTypeMacro(vtkSMContextViewProxy, vtkSMViewProxy);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
/**
* Provides access to the vtk chart view.
*/
vtkContextView* GetContextView();
/**
* Provides access to the vtk chart.
*/
virtual vtkAbstractContextItem* GetContextItem();
/**
* Return the render window from which offscreen rendering and interactor can
* be accessed
*/
virtual vtkRenderWindow* GetRenderWindow() VTK_OVERRIDE;
/**
* A client process need to set the interactor to enable interactivity. Use
* this method to set the interactor and initialize it as needed by the
* RenderView. This include changing the interactor style as well as
* overriding VTK rendering to use the Proxy/ViewProxy API instead.
*/
virtual void SetupInteractor(vtkRenderWindowInteractor* iren) VTK_OVERRIDE;
/**
* Returns the interactor.
*/
virtual vtkRenderWindowInteractor* GetInteractor() VTK_OVERRIDE;
/**
* Resets the zoom level to 100%
*/
virtual void ResetDisplay();
/**
* Overridden to report to applications that producers producing non-table
* datasets are only viewable if they have the "Plottable" hint. This avoid
* applications from inadvertently showing large data in charts.
* CreateDefaultRepresentation() will still work without regard for this
* Plottable hint.
*/
virtual bool CanDisplayData(vtkSMSourceProxy* producer, int outputPort) VTK_OVERRIDE;
vtkSelection* GetCurrentSelection();
protected:
vtkSMContextViewProxy();
~vtkSMContextViewProxy();
virtual void CreateVTKObjects() VTK_OVERRIDE;
/**
* Used to update the axis range properties on each interaction event.
* This also fires the vtkCommand::InteractionEvent.
*/
void OnInteractionEvent();
/**
* Forwards vtkCommand::StartInteractionEvent and
* vtkCommand::EndInteractionEvent
* from the vtkRenderWindowInteractor
*/
void OnForwardInteractionEvent(vtkObject*, unsigned long, void*);
/**
* Used to update the legend position on interaction event.
* This also fires the vtkCommand::InteractionEvent.
*/
void OnLeftButtonReleaseEvent();
/**
* Overridden to update ChartAxes ranges on every render. This ensures that
* the property's values are up-to-date.
*/
virtual void PostRender(bool interactive) VTK_OVERRIDE;
/**
* Overridden to process the "skip_plotable_check" attribute.
*/
virtual int ReadXMLAttributes(
vtkSMSessionProxyManager* pm, vtkPVXMLElement* element) VTK_OVERRIDE;
/**
* The context view that is used for all context derived charts.
*/
vtkContextView* ChartView;
//@{
/**
* To avoid showing large datasets in context views, that typically rely on
* delivering all data to the client side (or cloning it), by default make
* extra checks for data type and hints in CanDisplayData(). Certain views
* types however, (e.g. XYHistogramView) can show any type of data without
* this limitation. For such views, we set this flag to true using XML
* attribute "skip_plotable_check".
*/
bool SkipPlotableCheck;
private:
vtkSMContextViewProxy(const vtkSMContextViewProxy&) VTK_DELETE_FUNCTION;
void operator=(const vtkSMContextViewProxy&) VTK_DELETE_FUNCTION;
//@}
/**
* Copies axis ranges from each of the vtkAxis on the vtkChartXY to the
* SMproperties.
*/
void CopyAxisRangesFromChart();
vtkNew<vtkSMViewProxyInteractorHelper> InteractorHelper;
vtkNew<vtkEventForwarderCommand> EventForwarder;
};
#endif
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