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/*=========================================================================
Program: ParaView
Module: vtkSMPropertyIterator.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 "vtkSMPropertyIterator.h"
#include "vtkObjectFactory.h"
#include "vtkSMProxy.h"
#include "vtkSMProxyInternals.h"
vtkStandardNewMacro(vtkSMPropertyIterator);
struct vtkSMPropertyIteratorInternals
{
vtkSMProxyInternals::PropertyInfoMap::iterator PropertyIterator;
vtkSMProxyInternals::ExposedPropertyInfoMap::iterator
ExposedPropertyIterator;
};
//---------------------------------------------------------------------------
vtkSMPropertyIterator::vtkSMPropertyIterator()
{
this->Proxy = 0;
this->Internals = new vtkSMPropertyIteratorInternals;
this->TraverseSubProxies = 1;
}
//---------------------------------------------------------------------------
vtkSMPropertyIterator::~vtkSMPropertyIterator()
{
this->SetProxy(0);
delete this->Internals;
}
//---------------------------------------------------------------------------
void vtkSMPropertyIterator::SetProxy(vtkSMProxy* proxy)
{
if (this->Proxy != proxy)
{
if (this->Proxy != NULL) { this->Proxy->UnRegister(this); }
this->Proxy = proxy;
if (this->Proxy != NULL)
{
this->Proxy->Register(this);
this->Begin();
}
this->Modified();
}
}
//---------------------------------------------------------------------------
void vtkSMPropertyIterator::Begin()
{
if (!this->Proxy)
{
vtkErrorMacro("Proxy is not set. Can not perform operation: Begin()");
return;
}
this->Internals->PropertyIterator =
this->Proxy->Internals->Properties.begin();
this->Internals->ExposedPropertyIterator =
this->Proxy->Internals->ExposedProperties.begin();
}
//---------------------------------------------------------------------------
int vtkSMPropertyIterator::IsAtEnd()
{
if (!this->Proxy)
{
vtkErrorMacro("Proxy is not set. Can not perform operation: IsAtEnd()");
return 1;
}
if (this->TraverseSubProxies)
{
if ( this->Internals->PropertyIterator == this->Proxy->Internals->Properties.end()
&& this->Internals->ExposedPropertyIterator ==
this->Proxy->Internals->ExposedProperties.end())
{
return 1;
}
}
else
{
if ( this->Internals->PropertyIterator == this->Proxy->Internals->Properties.end() )
{
return 1;
}
}
return 0;
}
//---------------------------------------------------------------------------
void vtkSMPropertyIterator::Next()
{
if (!this->Proxy)
{
vtkErrorMacro("Proxy is not set. Can not perform operation: Next()");
return;
}
// If we are still in the root proxy, move to the next element.
if (this->Internals->PropertyIterator !=
this->Proxy->Internals->Properties.end())
{
this->Internals->PropertyIterator++;
return;
// Consider the end case when the this->Internals->PropertyIterator
// is pointing to the last element before the above iterator increment.
// Then the iterator is now pointing off the last element (after the
// this->Internals->PropertyIterator++). But that's still okay,
// since this->Internals->ExposedPropertyIterator is already
// initialized to point to the first exposed property
// and the hence the next GetKey()/GetProperty() call
// will correctly return the first exposed property.
}
if (!this->TraverseSubProxies)
{
return;
}
if (this->Internals->ExposedPropertyIterator !=
this->Proxy->Internals->ExposedProperties.end())
{
this->Internals->ExposedPropertyIterator++;
}
}
//---------------------------------------------------------------------------
const char* vtkSMPropertyIterator::GetKey()
{
if (!this->Proxy)
{
vtkErrorMacro("Proxy is not set. Can not perform operation: GetKey()");
return 0;
}
if (this->Internals->PropertyIterator !=
this->Proxy->Internals->Properties.end())
{
return this->Internals->PropertyIterator->first.c_str();
}
if (this->TraverseSubProxies)
{
if (this->Internals->ExposedPropertyIterator !=
this->Proxy->Internals->ExposedProperties.end())
{
// return the exposed name.
return this->Internals->ExposedPropertyIterator->first.c_str();
}
}
return 0;
}
//---------------------------------------------------------------------------
const char* vtkSMPropertyIterator::GetPropertyLabel()
{
// Self property
if (this->Internals->PropertyIterator !=
this->Proxy->Internals->Properties.end())
{
return this->GetProperty()->GetXMLLabel();
}
// Property of a sub-proxy
if (this->TraverseSubProxies)
{
return this->GetKey();
}
return 0;
}
//---------------------------------------------------------------------------
vtkSMProperty* vtkSMPropertyIterator::GetProperty()
{
if (!this->Proxy)
{
vtkErrorMacro("Proxy is not set. Can not perform operation: GetProperty()");
return 0;
}
if (this->Internals->PropertyIterator !=
this->Proxy->Internals->Properties.end())
{
return this->Internals->PropertyIterator->second.Property.GetPointer();
}
if (this->TraverseSubProxies)
{
if (this->Internals->ExposedPropertyIterator !=
this->Proxy->Internals->ExposedProperties.end())
{
vtkSMProxy* proxy = this->Proxy->GetSubProxy(
this->Internals->ExposedPropertyIterator->second.SubProxyName.c_str());
if (!proxy)
{
vtkErrorMacro(<< "In proxy " << this->Proxy->GetXMLName()
<< " cannot find sub proxy "
<< this->Internals->ExposedPropertyIterator->second.SubProxyName.c_str()
<< " that is supposed to contain exposed property "
<< this->Internals->ExposedPropertyIterator->first.c_str());
return 0;
}
vtkSMProperty *property = proxy->GetProperty(
this->Internals->ExposedPropertyIterator->second.PropertyName.c_str());
if (!property)
{
vtkErrorMacro(<< "In proxy " << this->Proxy->GetXMLName()
<< " cannot find exposed property "
<< this->Internals->ExposedPropertyIterator->second.PropertyName.c_str()
<< " in sub proxy "
<< this->Internals->ExposedPropertyIterator->second.SubProxyName.c_str());
}
return property;
}
}
return 0;
}
//---------------------------------------------------------------------------
void vtkSMPropertyIterator::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "TraverseSubProxies: " << this->TraverseSubProxies << endl;
os << indent << "Proxy: " << this->Proxy << endl;
}
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