src/Plugins/MEDReader/ParaViewPlugin/pqMEDReaderFieldsWidget.cxx

   1 // Copyright (C) 2010-2015  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19 // Author : Anthony Geay
  20
  21 #include "pqMEDReaderFieldsWidget.h"
  22
  23 #include "vtkMEDReader.h"
  24 #include "vtkPVMetaDataInformation.h"
  25
  26 #include "pqTreeWidget.h"
  27 #include "pqTreeWidgetItemObject.h"
  28 #include "vtkDataSetAttributes.h"
  29 #include "vtkGraph.h"
  30 #include "vtkNew.h"
  31 #include "vtkStringArray.h"
  32 #include "vtkTree.h"
  33
  34 #include <QStringList>
  35 #include <QHeaderView>
  36
  37 //-----------------------------------------------------------------------------
  38 pqMEDReaderFieldsWidget::pqMEDReaderFieldsWidget(
  39   vtkSMProxy *smproxy, vtkSMProperty *smproperty, QWidget *parentObject)
  40 : Superclass(smproxy, smproperty, parentObject)
  41 {
  42   this->TreeWidget->header()->hide();
  43   this->visibleHeader = false;
  44   this->TransmitToParent = true;
  45   this->initializeTreeWidget(smproxy, smproperty);
  46 }
  47
  48 //-----------------------------------------------------------------------------
  49 pqMEDReaderFieldsWidget::~pqMEDReaderFieldsWidget()
  50 {
  51 }
  52
  53 //-----------------------------------------------------------------------------
  54 void pqMEDReaderFieldsWidget::loadTreeWidgetItems()
  55 {
  56   //Clear Item Map
  57   this->ItemMap.clear();
  58
  59   // Clear tree
  60   this->TreeWidget->clear();
  61
  62   // Clear unique checked item vector
  63   this->UniqueCheckedItems.clear();
  64
  65   // Recover meta data graph
  66   vtkPVMetaDataInformation *info(vtkPVMetaDataInformation::New());
  67   this->proxy()->GatherInformation(info);
  68   vtkGraph* graph = vtkGraph::SafeDownCast(info->GetInformationData());
  69
  70   // Create a tree
  71   vtkNew<vtkTree> tree;
  72   tree->CheckedShallowCopy(graph);
  73   vtkStringArray* names =
  74     vtkStringArray::SafeDownCast(tree->GetVertexData()->GetAbstractArray("Names"));
  75
  76   vtkIdType root = tree->GetRoot();
  77   vtkIdType fst = tree->GetChild(root, 0); // FieldsStatusTree
  78
  79   this->NItems = 0;
  80   int nLeaves = 0;
  81   for (int i = 1; i < tree->GetNumberOfChildren(fst); i += 2)
  82     {
  83     // Browse all interessting tree node
  84
  85     // TSX Node
  86     vtkIdType tsxId = tree->GetChild(fst, i);
  87     vtkIdType tsId = tree->GetChild(fst, i - 1);
  88     pqTreeWidgetItemObject *ts = new pqTreeWidgetItemObject(this->TreeWidget, QStringList());
  89     this->NItems++;
  90     QString tsxName = QString(names->GetValue(tsxId));
  91     ts->setText(0, tsxName);
  92     ts->setData(0, Qt::ToolTipRole, QString(names->GetValue(tsId)));
  93
  94     // MAIL Node
  95     for (int maili = 0; maili < tree->GetNumberOfChildren(tsxId); maili++)
  96       {
  97       vtkIdType mailId = tree->GetChild(tsxId, maili);
  98       pqTreeWidgetItemObject *mail = new pqTreeWidgetItemObject(ts, QStringList());
  99       this->NItems++;
 100       QString mailName = QString(names->GetValue(mailId));
 101       mail->setText(0, mailName);
 102       mail->setData(0, Qt::ToolTipRole, QString(names->GetValue(mailId)));
 103
 104       QString propertyBaseName = tsxName + "/" + mailName + "/";
 105
 106       // ComsupX node
 107       for (int comsupi = 0; comsupi < tree->GetNumberOfChildren(mailId); comsupi++)
 108         {
 109         vtkIdType comSupId = tree->GetChild(mailId, comsupi);
 110         pqTreeWidgetItemObject *comsup = new pqTreeWidgetItemObject(mail, QStringList());
 111         this->NItems++;
 112         QString comsupName = QString(names->GetValue(comSupId));
 113         comsup->setText(0, comsupName);
 114
 115         // ComSup tooltip
 116         vtkIdType geoTypeId = tree->GetChild(comSupId, 1);
 117         QString comSupToolTipName(names->GetValue(comSupId));
 118         for (int geoi = 0; geoi < tree->GetNumberOfChildren(geoTypeId); geoi++)
 119           {
 120           comSupToolTipName += QString("\n- %1").arg(
 121             QString(names->GetValue(tree->GetChild(geoTypeId, geoi))));
 122           }
 123         comsup->setData(0, Qt::ToolTipRole, comSupToolTipName);
 124
 125         comsup->setFlags(comsup->flags() | Qt::ItemIsUserCheckable | Qt::ItemIsSelectable);
 126         comsup->setChecked(true);
 127         QObject::connect(comsup, SIGNAL(checkedStateChanged(bool)), this, SLOT(updateChecks()));
 128         this->UniqueCheckedItems.push_back(comsup);
 129
 130         QString fullComsupName = propertyBaseName + comsupName + "/";
 131         // Arrs node
 132         vtkIdType arrId = tree->GetChild(comSupId, 0);
 133         for (int arri = 0; arri < tree->GetNumberOfChildren(arrId); arri++)
 134           {
 135           pqTreeWidgetItemObject *array = new pqTreeWidgetItemObject(comsup, QStringList());
 136           this->NItems++;
 137
 138           vtkIdType arrayId = tree->GetChild(arrId, arri);
 139           std::string str = names->GetValue(arrayId);
 140           this->ItemMap[fullComsupName + QString(str.c_str())] = array;
 141
 142           const char* separator = vtkMEDReader::GetSeparator();
 143           size_t pos = str.find(separator);
 144           std::string name = str.substr(0, pos);
 145
 146           array->setText(0, QString(name.c_str()));
 147           array->setFlags(array->flags() | Qt::ItemIsUserCheckable);
 148           array->setChecked(true);
 149
 150           // Special Field
 151           if (tree->GetNumberOfChildren(arrayId) != 0)
 152             {
 153             QFont font;
 154             font.setItalic(true);
 155             font.setUnderline(true);
 156             array->setData(0, Qt::FontRole, QVariant(font));
 157
 158   array->setData(0, Qt::ToolTipRole,
 159     QString("Whole \" %1\" mesh").arg(name.c_str()));
 160   array->setData(0, Qt::DecorationRole,
 161     QPixmap(":/ParaViewResources/Icons/pqCellDataForWholeMesh16.png"));
 162             }
 163           // Standard Field
 164           else
 165             {
 166             std::string spatialDiscr = str.substr(pos + strlen(separator));
 167             QString tooltip = QString(name.c_str() + QString(" (") +
 168               spatialDiscr.c_str() + QString(")"));
 169             array->setData(0, Qt::ToolTipRole, tooltip);
 170
 171             QPixmap pix;
 172             if (spatialDiscr == "P0")
 173               {
 174               pix.load(":/ParaViewResources/Icons/pqCellData16.png");
 175               }
 176             else if (spatialDiscr == "P1")
 177               {
 178               pix.load(":/ParaViewResources/Icons/pqPointData16.png");
 179               }
 180             else if (spatialDiscr == "GAUSS")
 181               {
 182               pix.load(":/ParaViewResources/Icons/pqQuadratureData16.png");
 183               }
 184             else if (spatialDiscr == "GSSNE")
 185               {
 186               pix.load(":/ParaViewResources/Icons/pqElnoData16.png");
 187               }
 188             array->setData(0, Qt::DecorationRole, pix);
 189             }
 190
 191           // Connection and updating checks for each item
 192           QObject::connect(array, SIGNAL(checkedStateChanged(bool)), this, SLOT(updateChecks()));
 193           nLeaves++;
 194           }
 195         }
 196       }
 197     }
 198   // Expand tree
 199   this->TreeWidget->expandAll();
 200 }
 201
 202 //-----------------------------------------------------------------------------
 203 void pqMEDReaderFieldsWidget::uncheckOtherUniqueItems(pqTreeWidgetItemObject* item)
 204 {
 205   // Uncheck all other items in vector
 206   foreach (pqTreeWidgetItemObject* otherItems, this->UniqueCheckedItems)
 207     {
 208     if (otherItems != item)
 209       {
 210       otherItems->setCheckState(0, Qt::Unchecked);
 211       }
 212     }
 213 }
 214
 215 //-----------------------------------------------------------------------------
 216 void pqMEDReaderFieldsWidget::updateChecks()
 217 {
 218   // Call updateCheck on the sender
 219   pqTreeWidgetItemObject* item = qobject_cast<pqTreeWidgetItemObject*>(QObject::sender());
 220   this->updateChecks(item);
 221 }
 222
 223 //-----------------------------------------------------------------------------
 224 void pqMEDReaderFieldsWidget::updateChecks(pqTreeWidgetItemObject* item)
 225 {
 226   // When a Leaf item is checked, the parent will be checked (partially or not).
 227   // Then other parents will be unchecked using uncheckOtherUniqueItems
 228   // Then other parent leaf will be unchecked using updateChecks(parent)
 229   //
 230   // When a Parent item is checked, the leaf will be checked
 231   // Then other parents will be unchecked using uncheckOtherUniqueItems
 232   // Then other parent leaf will be unchecked using updateChecks(parent)
 233
 234   if (item->childCount() == 0)
 235     {
 236     // Only first level leaf will transmit checks to parent
 237     if (this->TransmitToParent)
 238       {
 239       // Recover correct parent state
 240       Qt::CheckState state = item->checkState(0);
 241       pqTreeWidgetItemObject* parent =
 242         dynamic_cast<pqTreeWidgetItemObject*>(item->QTreeWidgetItem::parent());
 243       for (int i = 0; i < parent->childCount(); i++)
 244         {
 245         if (parent->child(i)->checkState(0) != state)
 246           {
 247           state = Qt::PartiallyChecked;
 248           }
 249         }
 250       // Set Parent State
 251       parent->setCheckState(0, state);
 252       }
 253     }
 254   else
 255     {
 256     // Check/Uncheck childs, blocking looped call to slot
 257     if (item->checkState(0) != Qt::PartiallyChecked)
 258       {
 259       this->TransmitToParent = false;
 260       for (int i = 0; i < item->childCount(); i++)
 261         {
 262         pqTreeWidgetItemObject* leaf =
 263           dynamic_cast<pqTreeWidgetItemObject*>(item->child(i));
 264         leaf->setCheckState(0, item->checkState(0));
 265         }
 266       this->TransmitToParent = true;
 267       }
 268
 269     // Uncheck other unique checked items
 270     if (item->checkState(0) != Qt::Unchecked)
 271       {
 272       this->uncheckOtherUniqueItems(item);
 273       }
 274     }
 275 }