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/*=========================================================================
Program: ParaView
Module: vtkSMCoreUtilities.cxx
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.
=========================================================================*/
#include "vtkSMCoreUtilities.h"
#include "vtkObjectFactory.h"
#include "vtkPVXMLElement.h"
#include "vtkSmartPointer.h"
#include "vtkSMDomainIterator.h"
#include "vtkSMProperty.h"
#include "vtkSMPropertyIterator.h"
#include "vtkSMProxy.h"
#include "vtkSMDomain.h"
#include <sstream>
#include <ctype.h>
#include <cassert>
#include <cmath>
vtkStandardNewMacro(vtkSMCoreUtilities);
//----------------------------------------------------------------------------
vtkSMCoreUtilities::vtkSMCoreUtilities()
{
}
//----------------------------------------------------------------------------
vtkSMCoreUtilities::~vtkSMCoreUtilities()
{
}
//----------------------------------------------------------------------------
const char* vtkSMCoreUtilities::GetFileNameProperty(vtkSMProxy* proxy)
{
if (!proxy)
{
return NULL;
}
if (proxy->GetHints())
{
vtkPVXMLElement* filenameHint =
proxy->GetHints()->FindNestedElementByName("DefaultFileNameProperty");
if (filenameHint &&
filenameHint->GetAttribute("name") &&
proxy->GetProperty(filenameHint->GetAttribute("name")))
{
return filenameHint->GetAttribute("name");
}
}
// Find the first property that has a vtkSMFileListDomain. Assume that
// it is the property used to set the filename.
vtkSmartPointer<vtkSMPropertyIterator> piter;
piter.TakeReference(proxy->NewPropertyIterator());
piter->Begin();
while (!piter->IsAtEnd())
{
vtkSMProperty* prop = piter->GetProperty();
if (prop && prop->IsA("vtkSMStringVectorProperty"))
{
vtkSmartPointer<vtkSMDomainIterator> diter;
diter.TakeReference(prop->NewDomainIterator());
diter->Begin();
while(!diter->IsAtEnd())
{
if (diter->GetDomain()->IsA("vtkSMFileListDomain"))
{
return piter->GetKey();
}
diter->Next();
}
if (!diter->IsAtEnd())
{
break;
}
}
piter->Next();
}
return NULL;
}
//----------------------------------------------------------------------------
vtkStdString vtkSMCoreUtilities::SanitizeName(const char* name)
{
if (!name || name[0] == '\0')
{
return vtkStdString();
}
std::ostringstream cname;
for (size_t cc=0; name[cc]; cc++)
{
if (isalnum(name[cc]))
{
cname << name[cc];
}
}
// if first character is not an alphabet, add an 'a' to it.
if (isalpha(cname.str()[0]))
{
return cname.str();
}
else
{
return "a" + cname.str();
}
}
//----------------------------------------------------------------------------
bool vtkSMCoreUtilities::AdjustRangeForLog(double range[2])
{
assert(range[0] <= range[1]);
if (range[0] <= 0.0 || range[1] <= 0.0)
{
// ranges not valid for log-space. Cannot convert.
if (range[1] <= 0.0)
{
range[0] = 1.0e-4;
range[1] = 1.0;
}
else
{
range[0] = range[1] * 0.0001;
range[0] = (range[0] < 1.0)? range[0] : 1.0;
}
return true;
}
return false;
}
//----------------------------------------------------------------------------
bool vtkSMCoreUtilities::AdjustRange(double range[2])
{
if (range[1] < range[0])
{
// invalid range.
return false;
}
// the range must be large enough, compared to values order of magnitude
double rangeOrderOfMagnitude = 1e-11;
if (rangeOrderOfMagnitude < std::abs(range[0]))
{
rangeOrderOfMagnitude = std::abs(range[0]);
}
if (rangeOrderOfMagnitude < std::abs(range[1]))
{
rangeOrderOfMagnitude = std::abs(range[1]);
}
double rangeMinLength = rangeOrderOfMagnitude * 1e-5;
if ((range[1] - range[0]) < rangeMinLength)
{
range[1] = range[0] + rangeMinLength;
return true;
}
return false;
}
//----------------------------------------------------------------------------
void vtkSMCoreUtilities::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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