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/*=========================================================================
Program: Visualization Toolkit
Module: vtkSliderRepresentation.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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.
=========================================================================*/
#include "vtkSliderRepresentation.h"
#include "vtkCommand.h"
#include "vtkObjectFactory.h"
//----------------------------------------------------------------------
vtkSliderRepresentation::vtkSliderRepresentation()
{
this->MinimumValue = 0.0;
this->Value = 0.0;
this->MaximumValue = 1.0;
this->CurrentT = 0.0;
this->PickedT = 0.0;
this->SliderLength = 0.05;
this->SliderWidth = 0.05;
this->EndCapLength = 0.025;
this->EndCapWidth = 0.05;
this->TubeWidth = 0.025;
// Labels and text
this->ShowSliderLabel = 1;
this->LabelFormat = new char[8];
sprintf( this->LabelFormat,"%s","%0.3g" );
this->LabelHeight = 0.05;
this->TitleHeight = 0.15;
}
//----------------------------------------------------------------------
vtkSliderRepresentation::~vtkSliderRepresentation()
{
if (this->LabelFormat)
{
delete [] this->LabelFormat;
this->LabelFormat = NULL;
}
}
//----------------------------------------------------------------------
void vtkSliderRepresentation::SetMinimumValue(double minValue)
{
if ( minValue == this->MinimumValue )
{
return;
}
if ( minValue >= this->MaximumValue )
{
this->MaximumValue = minValue + 1;
}
this->MinimumValue = minValue;
if ( this->Value < this->MinimumValue )
{
this->Value = this->MinimumValue;
this->CurrentT = 0.0;
}
else if ( this->Value > this->MaximumValue )
{
this->Value = this->MaximumValue;
this->CurrentT = 1.0;
}
this->InvokeEvent(vtkCommand::WidgetValueChangedEvent,NULL);
if ( this->Renderer )
{
this->BuildRepresentation();
}
this->Modified();
}
//----------------------------------------------------------------------
void vtkSliderRepresentation::SetMaximumValue(double maxValue)
{
if ( maxValue == this->MaximumValue )
{
return;
}
if ( maxValue <= this->MinimumValue )
{
this->MinimumValue = maxValue - 1;
}
this->MaximumValue = maxValue;
if ( this->Value < this->MinimumValue )
{
this->Value = this->MinimumValue;
this->CurrentT = 0.0;
}
else if ( this->Value > this->MaximumValue )
{
this->Value = this->MaximumValue;
this->CurrentT = 1.0;
}
this->InvokeEvent(vtkCommand::WidgetValueChangedEvent,NULL);
if ( this->Renderer )
{
this->BuildRepresentation();
}
this->Modified();
}
//----------------------------------------------------------------------
void vtkSliderRepresentation::SetValue(double value)
{
if ( value == this->Value )
{
return;
}
if ( value < this->MinimumValue )
{
value = this->MinimumValue;
}
if ( value > this->MaximumValue )
{
value = this->MaximumValue;
}
this->Value = value;
this->CurrentT = (value - this->MinimumValue) / (this->MaximumValue - this->MinimumValue);
this->InvokeEvent(vtkCommand::WidgetValueChangedEvent,NULL);
if ( this->Renderer )
{
this->BuildRepresentation();
}
this->Modified();
}
//----------------------------------------------------------------------
void vtkSliderRepresentation::PrintSelf(ostream& os, vtkIndent indent)
{
//Superclass typedef defined in vtkTypeMacro() found in vtkSetGet.h
this->Superclass::PrintSelf(os,indent);
os << indent << "Minimum Value: " << this->MinimumValue << "\n";
os << indent << "Maximum Value: " << this->MaximumValue << "\n";
os << indent << "Value: " << this->Value << "\n";
os << indent << "Slider Length: " << this->SliderLength << "\n";
os << indent << "Slider Width: " << this->SliderWidth << "\n";
os << indent << "End Cap Length: " << this->EndCapLength << "\n";
os << indent << "End Cap Width: " << this->EndCapWidth << "\n";
os << indent << "Tube Width: " << this->TubeWidth << "\n";
os << indent << "Show Slider Label: "
<< (this->ShowSliderLabel ? "On\n" : "Off\n");
os << indent << "Label Format: " << this->LabelFormat << "\n";
os << indent << "Label Height: " << this->LabelHeight << "\n";
os << indent << "Title Height: " << this->TitleHeight << "\n";
}