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vtkQtAnnotationLayersModelAdapter.cxx
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vtkQtAnnotationLayersModelAdapter.cxx
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkQtAnnotationLayersModelAdapter.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.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#include "vtkQtAnnotationLayersModelAdapter.h"
#include "vtkDataSetAttributes.h"
#include "vtkAnnotation.h"
#include "vtkAnnotationLayers.h"
#include "vtkIdList.h"
#include "vtkIdTypeArray.h"
#include "vtkInformation.h"
#include "vtkSelection.h"
#include "vtkSelectionNode.h"
#include "vtkSmartPointer.h"
#include "vtkStdString.h"
#include "vtkVariant.h"
#include "vtkDoubleArray.h"
#include <QIcon>
#include <QPixmap>
#include <QHash>
#include <QMap>
//----------------------------------------------------------------------------
vtkQtAnnotationLayersModelAdapter::vtkQtAnnotationLayersModelAdapter(QObject* p)
: vtkQtAbstractModelAdapter(p)
{
this->Annotations = NULL;
}
//----------------------------------------------------------------------------
vtkQtAnnotationLayersModelAdapter::vtkQtAnnotationLayersModelAdapter(vtkAnnotationLayers* t, QObject* p)
: vtkQtAbstractModelAdapter(p), Annotations(t)
{
if (this->Annotations != NULL)
{
this->Annotations->Register(0);
}
}
//----------------------------------------------------------------------------
vtkQtAnnotationLayersModelAdapter::~vtkQtAnnotationLayersModelAdapter()
{
if (this->Annotations != NULL)
{
this->Annotations->Delete();
}
}
//----------------------------------------------------------------------------
void vtkQtAnnotationLayersModelAdapter::SetKeyColumnName(
const char *vtkNotUsed(name))
{
/*
if (name == 0)
{
this->KeyColumn = -1;
}
else
{
this->KeyColumn = -1;
for (int i = 0; i < static_cast<int>(this->Annotations->GetNumberOfColumns()); i++)
{
if (!strcmp(name, this->Annotations->GetColumn(i)->GetName()))
{
this->KeyColumn = i;
break;
}
}
}
*/
}
// ----------------------------------------------------------------------------
void vtkQtAnnotationLayersModelAdapter::SetColorColumnName(
const char *vtkNotUsed(name))
{
}
//----------------------------------------------------------------------------
void vtkQtAnnotationLayersModelAdapter::SetVTKDataObject(vtkDataObject *obj)
{
vtkAnnotationLayers *t = vtkAnnotationLayers::SafeDownCast(obj);
if (obj && !t)
{
qWarning("vtkQtAnnotationLayersModelAdapter needs a vtkAnnotationLayers for SetVTKDataObject");
return;
}
// Okay it's a table so set it :)
this->setAnnotationLayers(t);
}
//----------------------------------------------------------------------------
vtkDataObject* vtkQtAnnotationLayersModelAdapter::GetVTKDataObject() const
{
return this->Annotations;
}
//----------------------------------------------------------------------------
void vtkQtAnnotationLayersModelAdapter::setAnnotationLayers(vtkAnnotationLayers* t)
{
if (this->Annotations != NULL)
{
this->Annotations->Delete();
}
this->Annotations = t;
if (this->Annotations != NULL)
{
this->Annotations->Register(0);
// When setting a table, update the QHash tables for column mapping.
// If SplitMultiComponentColumns is disabled, this call will just clear
// the tables and return.
//this->updateModelColumnHashTables();
// We will assume the table is totally
// new and any views should update completely
emit this->reset();
}
}
//----------------------------------------------------------------------------
bool vtkQtAnnotationLayersModelAdapter::noAnnotationsCheck() const
{
if (this->Annotations == NULL)
{
// It's not necessarily an error to have a null pointer for the
// table. It just means that the model is empty.
return true;
}
if (this->Annotations->GetNumberOfAnnotations() == 0)
{
return true;
}
return false;
}
//----------------------------------------------------------------------------
// Description:
// Selection conversion from VTK land to Qt land
vtkAnnotationLayers* vtkQtAnnotationLayersModelAdapter::QModelIndexListToVTKAnnotationLayers(
const QModelIndexList qmil) const
{
// Create vtk index selection
vtkAnnotationLayers* annotations = vtkAnnotationLayers::New(); // Caller needs to delete
// Run through the QModelIndexList pulling out vtk indexes
for (int i = 0; i < qmil.size(); i++)
{
vtkIdType vtk_index = qmil.at(i).internalId();
//annotations->AddLayer();
annotations->AddAnnotation(this->Annotations->GetAnnotation(vtk_index));
}
return annotations;
}
//----------------------------------------------------------------------------
QItemSelection vtkQtAnnotationLayersModelAdapter::VTKAnnotationLayersToQItemSelection(
vtkAnnotationLayers *vtkNotUsed(vtkann)) const
{
QItemSelection qis_list;
/*
vtkSelectionNode* node = vtksel->GetNode(0);
if (node)
{
vtkIdTypeArray* arr = vtkArrayDownCast<vtkIdTypeArray>(node->GetSelectionList());
if (arr)
{
for (vtkIdType i = 0; i < arr->GetNumberOfTuples(); i++)
{
vtkIdType vtk_index = arr->GetValue(i);
QModelIndex qmodel_index =
this->createIndex(vtk_index, 0, static_cast<int>(vtk_index));
qis_list.select(qmodel_index, qmodel_index);
}
}
}
*/
return qis_list;
}
//----------------------------------------------------------------------------
// Description:
// Selection conversion from VTK land to Qt land
vtkSelection* vtkQtAnnotationLayersModelAdapter::QModelIndexListToVTKIndexSelection(
const QModelIndexList vtkNotUsed(qmil)) const
{
/*
// Create vtk index selection
vtkSelection* IndexSelection = vtkSelection::New(); // Caller needs to delete
vtkSmartPointer<vtkSelectionNode> node =
vtkSmartPointer<vtkSelectionNode>::New();
node->SetContentType(vtkSelectionNode::INDICES);
node->SetFieldType(vtkSelectionNode::ROW);
vtkSmartPointer<vtkIdTypeArray> index_arr =
vtkSmartPointer<vtkIdTypeArray>::New();
node->SetSelectionList(index_arr);
IndexSelection->AddNode(node);
// Run through the QModelIndexList pulling out vtk indexes
for (int i = 0; i < qmil.size(); i++)
{
vtkIdType vtk_index = qmil.at(i).internalId();
index_arr->InsertNextValue(vtk_index);
}
return IndexSelection;
*/
return 0;
}
//----------------------------------------------------------------------------
QItemSelection vtkQtAnnotationLayersModelAdapter::VTKIndexSelectionToQItemSelection(
vtkSelection *vtkNotUsed(vtksel)) const
{
QItemSelection qis_list;
/*
vtkSelectionNode* node = vtksel->GetNode(0);
if (node)
{
vtkIdTypeArray* arr = vtkArrayDownCast<vtkIdTypeArray>(node->GetSelectionList());
if (arr)
{
for (vtkIdType i = 0; i < arr->GetNumberOfTuples(); i++)
{
vtkIdType vtk_index = arr->GetValue(i);
QModelIndex qmodel_index =
this->createIndex(vtk_index, 0, static_cast<int>(vtk_index));
qis_list.select(qmodel_index, qmodel_index);
}
}
}
*/
return qis_list;
}
//----------------------------------------------------------------------------
QVariant vtkQtAnnotationLayersModelAdapter::data(const QModelIndex &idx, int role) const
{
if (this->noAnnotationsCheck())
{
return QVariant();
}
if (!idx.isValid())
{
return QVariant();
}
if(idx.row() >= static_cast<int>(this->Annotations->GetNumberOfAnnotations()))
{
return QVariant();
}
vtkAnnotation *a = this->Annotations->GetAnnotation(idx.row());
int numItems = 0;
vtkSelection *s = a->GetSelection();
if(s)
{
for(unsigned int i=0; i<s->GetNumberOfNodes(); ++i)
{
numItems += s->GetNode(i)->GetSelectionList()->GetNumberOfTuples();
}
}
double *color = a->GetInformation()->Get(vtkAnnotation::COLOR());
int annColor[3];
annColor[0] = static_cast<int>(255*color[0]);
annColor[1] = static_cast<int>(255*color[1]);
annColor[2] = static_cast<int>(255*color[2]);
if (role == Qt::DisplayRole)
{
switch(idx.column())
{
case 1:
return QVariant(numItems);
case 2:
return QVariant(a->GetInformation()->Get(vtkAnnotation::LABEL()));
default:
return QVariant();
}
}
else if (role == Qt::DecorationRole)
{
switch(idx.column())
{
case 0:
return QColor(annColor[0], annColor[1], annColor[2]);
default:
return QVariant();
}
}
return QVariant();
}
//----------------------------------------------------------------------------
bool vtkQtAnnotationLayersModelAdapter::setData(const QModelIndex &vtkNotUsed(idx),
const QVariant &vtkNotUsed(value),
int vtkNotUsed(role))
{
/*
if (role == Qt::DecorationRole)
{
this->Internal->IndexToDecoration[idx] = value;
emit this->dataChanged(idx, idx);
return true;
}
*/
return false;
}
//----------------------------------------------------------------------------
Qt::ItemFlags vtkQtAnnotationLayersModelAdapter::flags(const QModelIndex &idx) const
{
if (!idx.isValid())
{
return Qt::ItemIsEnabled | Qt::ItemIsDropEnabled;
}
return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDropEnabled | Qt::ItemIsDragEnabled;
}
//----------------------------------------------------------------------------
QVariant vtkQtAnnotationLayersModelAdapter::headerData(int section, Qt::Orientation orientation,
int role) const
{
if (this->noAnnotationsCheck())
{
return QVariant();
}
if(orientation == Qt::Horizontal && role == Qt::DisplayRole)
{
switch(section)
{
case 0:
return QVariant("C");
case 1:
return QVariant("# Items");
case 2:
return QVariant("Label");
default:
return QVariant();
}
}
return QVariant();
}
//----------------------------------------------------------------------------
QModelIndex vtkQtAnnotationLayersModelAdapter::index(int row, int column,
const QModelIndex & vtkNotUsed(parentIdx)) const
{
return createIndex(row, column, row);
}
//----------------------------------------------------------------------------
QModelIndex vtkQtAnnotationLayersModelAdapter::parent(const QModelIndex & vtkNotUsed(idx)) const
{
return QModelIndex();
}
//----------------------------------------------------------------------------
int vtkQtAnnotationLayersModelAdapter::rowCount(const QModelIndex & mIndex) const
{
if (this->noAnnotationsCheck())
{
return 0;
}
if (mIndex == QModelIndex())
{
return this->Annotations->GetNumberOfAnnotations();
}
return 0;
}
//----------------------------------------------------------------------------
int vtkQtAnnotationLayersModelAdapter::columnCount(const QModelIndex &) const
{
if (this->noAnnotationsCheck())
{
return 0;
}
return 3;
}
/*
Qt::DropActions vtkQtAnnotationLayersModelAdapter::supportedDropActions() const
{
return Qt::MoveAction;
}
Qt::DropActions vtkQtAnnotationLayersModelAdapter::supportedDragActions() const
{
return Qt::MoveAction;
}
bool vtkQtAnnotationLayersModelAdapter::insertRows(int row, int count, const QModelIndex &p)
{
emit this->beginInsertRows(p,row,row+count-1);
for(int i=0; i<count; ++i)
{
this->Annotations->InsertLayer(row);
}
emit this->endInsertRows();
return true;
}
bool vtkQtAnnotationLayersModelAdapter::removeRows(int row, int count, const QModelIndex &p)
{
emit this->beginRemoveRows(p,row,row+count-1);
for(int i=0; i<count; ++i)
{
this->Annotations->RemoveAnnotation(this->Annotations->GetAnnotation(row));
}
emit this->endRemoveRows();
return true;
}
bool vtkQtAnnotationLayersModelAdapter::dropMimeData(const QMimeData *data,
Qt::DropAction action, int row, int column, const QModelIndex &parent)
{
if (action == Qt::IgnoreAction)
return true;
if (!data->hasFormat("application/vnd.text.list"))
return false;
if (column > 0)
return false;
}
QStringList vtkQtAnnotationLayersModelAdapter::mimeTypes() const
{
QStringList types;
types << "application/x-color" << "text/plain";
return types;
}
QMimeData *vtkQtAnnotationLayersModelAdapter::mimeData(const QModelIndexList &indexes) const
{
QMimeData *mimeData = new QMimeData();
QByteArray encodedData;
QDataStream stream(&encodedData, QIODevice::WriteOnly);
foreach (QModelIndex index, indexes) {
if (index.isValid()) {
stream << data(index, Qt::DisplayRole).toByteArray();
}
}
mimeData->setData("application/vnd.text.list", encodedData);
return mimeData;
}
*/