src/ModuleBase/ModuleBase_WidgetShapeSelector.cpp

   1 // File:        ModuleBase_WidgetShapeSelector.h
   2 // Created:     2 June 2014
   3 // Author:      Vitaly Smetannikov
   4
   5 #include "ModuleBase_WidgetShapeSelector.h"
   6 #include <ModuleBase_IWorkshop.h>
   7 #include <ModuleBase_ISelection.h>
   8 #include "ModuleBase_WidgetValue.h"
   9 #include <ModuleBase_Tools.h>
  10 #include "ModuleBase_WidgetValueFeature.h"
  11
  12 #include <Events_Loop.h>
  13 #include <ModelAPI_Events.h>
  14 #include <ModelAPI_Tools.h>
  15
  16 #include <ModelAPI_Data.h>
  17 #include <ModelAPI_Document.h>
  18 #include <ModelAPI_Object.h>
  19 #include <ModelAPI_Result.h>
  20 #include <ModelAPI_AttributeReference.h>
  21 #include <ModelAPI_AttributeSelection.h>
  22 #include <Config_WidgetAPI.h>
  23
  24 #include <GeomAPI_Shape.h>
  25
  26 #include <TopoDS_Shape.hxx>
  27 #include <TopExp_Explorer.hxx>
  28
  29 #include <QWidget>
  30 #include <QLayout>
  31 #include <QLabel>
  32 #include <QLineEdit>
  33 #include <QToolButton>
  34 #include <QString>
  35 #include <QEvent>
  36 #include <QDockWidget>
  37
  38 #include <stdexcept>
  39
  40 typedef QMap<QString, TopAbs_ShapeEnum> ShapeTypes;
  41 static ShapeTypes MyShapeTypes;
  42
  43 TopAbs_ShapeEnum ModuleBase_WidgetShapeSelector::shapeType(const QString& theType)
  44 {
  45   if (MyShapeTypes.count() == 0) {
  46     MyShapeTypes["face"] = TopAbs_FACE;
  47     MyShapeTypes["vertex"] = TopAbs_VERTEX;
  48     MyShapeTypes["wire"] = TopAbs_WIRE;
  49     MyShapeTypes["edge"] = TopAbs_EDGE;
  50     MyShapeTypes["shell"] = TopAbs_SHELL;
  51     MyShapeTypes["solid"] = TopAbs_SOLID;
  52   }
  53   if (MyShapeTypes.contains(theType))
  54     return MyShapeTypes[theType];
  55   throw std::invalid_argument("Shape type defined in XML is not implemented!");
  56 }
  57
  58 ModuleBase_WidgetShapeSelector::ModuleBase_WidgetShapeSelector(QWidget* theParent,
  59                                                      ModuleBase_IWorkshop* theWorkshop,
  60                                                      const Config_WidgetAPI* theData,
  61                                                      const std::string& theParentId)
  62     : ModuleBase_ModelWidget(theParent, theData, theParentId),
  63       myWorkshop(theWorkshop), myIsActive(false), myUseSubShapes(false)
  64 {
  65   myContainer = new QWidget(theParent);
  66   QHBoxLayout* aLayout = new QHBoxLayout(myContainer);
  67   ModuleBase_Tools::adjustMargins(aLayout);
  68
  69   QString aLabelText = QString::fromStdString(theData->widgetLabel());
  70   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
  71   myLabel = new QLabel(aLabelText, myContainer);
  72   if (!aLabelIcon.isEmpty())
  73     myLabel->setPixmap(QPixmap(aLabelIcon));
  74
  75   aLayout->addWidget(myLabel);
  76
  77   QString aToolTip = QString::fromStdString(theData->widgetTooltip());
  78   myTextLine = new QLineEdit(myContainer);
  79   myTextLine->setReadOnly(true);
  80   myTextLine->setToolTip(aToolTip);
  81   myTextLine->installEventFilter(this);
  82
  83   myBasePalet = myTextLine->palette();
  84   myInactivePalet = myBasePalet;
  85   myInactivePalet.setBrush(QPalette::Base, QBrush(Qt::gray, Qt::Dense6Pattern));
  86   myTextLine->setPalette(myInactivePalet);
  87
  88   aLayout->addWidget(myTextLine, 1);
  89
  90   std::string aTypes = theData->getProperty("shape_types");
  91   myShapeTypes = QString(aTypes.c_str()).split(' ');
  92
  93   std::string aUseSubShapes = theData->getProperty("use_subshapes");
  94   if (aUseSubShapes.length() > 0) {
  95     QString aVal(aUseSubShapes.c_str());
  96     myUseSubShapes = (aVal.toUpper() == "TRUE");
  97   }
  98 }
  99
 100 //********************************************************************
 101 ModuleBase_WidgetShapeSelector::~ModuleBase_WidgetShapeSelector()
 102 {
 103   activateSelection(false);
 104 }
 105
 106 //********************************************************************
 107 bool ModuleBase_WidgetShapeSelector::storeValue() const
 108 {
 109   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(mySelectedObject);
 110   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
 111     return false;
 112
 113   DataPtr aData = myFeature->data();
 114   if (myUseSubShapes) {
 115     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect =
 116       boost::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aData->attribute(attributeID()));
 117
 118     ResultBodyPtr aBody = boost::dynamic_pointer_cast<ModelAPI_ResultBody>(mySelectedObject);
 119     if (aBody)
 120       aSelect->setValue(aBody, myShape);
 121   } else {
 122     boost::shared_ptr<ModelAPI_AttributeReference> aRef =
 123       boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(aData->attribute(attributeID()));
 124
 125     ObjectPtr aObject = aRef->value();
 126     if (!(aObject && aObject->isSame(mySelectedObject))) {
 127       aRef->setValue(mySelectedObject);
 128       updateObject(myFeature);
 129     }
 130   }
 131   return true;
 132 }
 133
 134 //********************************************************************
 135 bool ModuleBase_WidgetShapeSelector::restoreValue()
 136 {
 137   DataPtr aData = myFeature->data();
 138   bool isBlocked = this->blockSignals(true);
 139   if (myUseSubShapes) {
 140     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect = aData->selection(attributeID());
 141     if (aSelect) {
 142       mySelectedObject = aSelect->context();
 143       myShape = aSelect->value();
 144     }
 145   } else {
 146     boost::shared_ptr<ModelAPI_AttributeReference> aRef = aData->reference(attributeID());
 147     mySelectedObject = aRef->value();
 148   }
 149   updateSelectionName();
 150
 151   this->blockSignals(isBlocked);
 152   return true;
 153 }
 154
 155 //********************************************************************
 156 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 157 {
 158   QList<QWidget*> aControls;
 159   aControls.append(myLabel);
 160   aControls.append(myTextLine);
 161   return aControls;
 162 }
 163
 164 //********************************************************************
 165 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 166 {
 167   QList<ObjectPtr> aObjects = myWorkshop->selection()->selectedObjects();
 168   if (aObjects.size() > 0) {
 169     ObjectPtr aObject = aObjects.first();
 170     if ((!mySelectedObject) && (!aObject))
 171       return;
 172     if (mySelectedObject && aObject && mySelectedObject->isSame(aObject))
 173       return;
 174
 175     // Get sub-shapes from local selection
 176     boost::shared_ptr<GeomAPI_Shape> aShape;
 177     if (myUseSubShapes) {
 178       NCollection_List<TopoDS_Shape> aShapeList;
 179       myWorkshop->selection()->selectedShapes(aShapeList);
 180       if (aShapeList.Extent() > 0) {
 181         aShape = boost::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 182         aShape->setImpl(new TopoDS_Shape(aShapeList.First()));
 183       }
 184     }
 185
 186     // Check that the selection corresponds to selection type
 187     if (myUseSubShapes) {
 188       if (!isAccepted(aShape))
 189         return;
 190     } else {
 191       if (!isAccepted(aObject))
 192         return;
 193     }
 194     setObject(aObject, aShape);
 195     emit focusOutWidget(this);
 196   }
 197 }
 198
 199 //********************************************************************
 200 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, boost::shared_ptr<GeomAPI_Shape> theShape)
 201 {
 202   if (mySelectedObject == theObj)
 203     return;
 204   mySelectedObject = theObj;
 205   myShape = theShape;
 206   if (mySelectedObject) {
 207     raisePanel();
 208     if (!myUseSubShapes) {
 209       static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 210       ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 211       Events_Loop::loop()->flush(anEvent);
 212     }
 213   }
 214   updateSelectionName();
 215   activateSelection(false);
 216   emit valuesChanged();
 217 }
 218
 219 //********************************************************************
 220 bool ModuleBase_WidgetShapeSelector::isAccepted(const ObjectPtr theResult) const
 221 {
 222   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 223   if (myFeature) {
 224     // We can not select a result of our feature
 225     const std::list<boost::shared_ptr<ModelAPI_Result>>& aRes = myFeature->results();
 226     std::list<boost::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 227     for (aIt = aRes.cbegin(); aIt != aRes.cend(); ++aIt) {
 228       if ((*aIt) == aResult)
 229         return false;
 230     }
 231   }
 232   // Check that object belongs to active document or PartSet
 233   DocumentPtr aDoc = aResult->document();
 234   SessionPtr aMgr = ModelAPI_Session::get();
 235   if (!(aDoc == aMgr->activeDocument()) || (aDoc == aMgr->moduleDocument()))
 236     return false;
 237
 238   // Check that the shape of necessary type
 239   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 240   if (!aShapePtr)
 241     return false;
 242   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 243   if (aShape.IsNull())
 244     return false;
 245
 246   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 247   if (aShapeType == TopAbs_COMPOUND) {
 248     foreach (QString aType, myShapeTypes) {
 249       TopExp_Explorer aEx(aShape, shapeType(aType));
 250       if (aEx.More())
 251         return true;
 252     }
 253   } else {
 254     foreach (QString aType, myShapeTypes) {
 255       if (shapeType(aType) == aShapeType)
 256         return true;
 257     }
 258   }
 259   return false;
 260 }
 261
 262 //********************************************************************
 263 bool ModuleBase_WidgetShapeSelector::isAccepted(boost::shared_ptr<GeomAPI_Shape> theShape) const
 264 {
 265   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 266   foreach (QString aType, myShapeTypes) {
 267     if (aShape.ShapeType() == shapeType(aType))
 268       return true;
 269   }
 270   return false;
 271 }
 272
 273 //********************************************************************
 274 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 275 {
 276   if (mySelectedObject) {
 277     std::string aName = mySelectedObject->data()->name();
 278     myTextLine->setText(QString::fromStdString(aName));
 279   } else {
 280     if (myIsActive) {
 281       QString aMsg = tr("Select a ");
 282       int i = 0;
 283       foreach (QString aType, myShapeTypes) {
 284         if (i > 0)
 285           aMsg += " or ";
 286         aMsg += aType;
 287         i++;
 288       }
 289       myTextLine->setText(aMsg);
 290     } else
 291       myTextLine->setText(tr("No object selected"));
 292   }
 293 }
 294
 295
 296 //********************************************************************
 297 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 298 {
 299   myIsActive = toActivate;
 300   if (myIsActive)
 301     myTextLine->setPalette(myBasePalet);
 302   else
 303     myTextLine->setPalette(myInactivePalet);
 304   updateSelectionName();
 305
 306   if (myIsActive) {
 307     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 308     if (myUseSubShapes) {
 309       QIntList aList;
 310       foreach (QString aType, myShapeTypes)
 311         aList.append(shapeType(aType));
 312       myWorkshop->activateSubShapesSelection(aList);
 313     }
 314   } else {
 315     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 316     if (myUseSubShapes)
 317       myWorkshop->deactivateSubShapesSelection();
 318   }
 319 }
 320
 321 //********************************************************************
 322 void ModuleBase_WidgetShapeSelector::raisePanel() const
 323 {
 324   QWidget* aParent = myContainer->parentWidget();
 325   QWidget* aLastPanel = 0;
 326   while (!aParent->inherits("QDockWidget")) {
 327     aLastPanel = aParent;
 328     aParent = aParent->parentWidget();
 329     if (!aParent)
 330       return;
 331   }
 332   if (aParent->inherits("QDockWidget")) {
 333     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 334     aTabWgt->raise();
 335   }
 336 }
 337
 338 //********************************************************************
 339 bool ModuleBase_WidgetShapeSelector::focusTo()
 340 {
 341   activateSelection(true);
 342   return true;
 343 }
 344
 345 //********************************************************************
 346 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 347 {
 348   if (theObj == myTextLine) {
 349     if (theEvent->type() == QEvent::FocusIn)
 350       activateSelection(true);
 351   }
 352   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 353 }
 354
 355 //********************************************************************
 356 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 357 {
 358   if (theValue) {
 359     ModuleBase_WidgetValueFeature* aFeatureValue =
 360         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 361     if (aFeatureValue && aFeatureValue->object()) {
 362       ObjectPtr aObject = aFeatureValue->object();
 363       if (isAccepted(aObject)) {
 364         setObject(aObject);
 365         return true;
 366       }
 367     }
 368   }
 369   return false;
 370 }
 371