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   QString aType = theType.toLower();
  54   if (MyShapeTypes.contains(aType))
  55     return MyShapeTypes[aType];
  56   throw std::invalid_argument("Shape type defined in XML is not implemented!");
  57 }
  58
  59 ModuleBase_WidgetShapeSelector::ModuleBase_WidgetShapeSelector(QWidget* theParent,
  60                                                      ModuleBase_IWorkshop* theWorkshop,
  61                                                      const Config_WidgetAPI* theData,
  62                                                      const std::string& theParentId)
  63     : ModuleBase_ModelWidget(theParent, theData, theParentId),
  64       myWorkshop(theWorkshop), myIsActive(false), myUseSubShapes(false)
  65 {
  66   myContainer = new QWidget(theParent);
  67   QHBoxLayout* aLayout = new QHBoxLayout(myContainer);
  68   ModuleBase_Tools::adjustMargins(aLayout);
  69
  70   QString aLabelText = QString::fromStdString(theData->widgetLabel());
  71   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
  72   myLabel = new QLabel(aLabelText, myContainer);
  73   if (!aLabelIcon.isEmpty())
  74     myLabel->setPixmap(QPixmap(aLabelIcon));
  75
  76   aLayout->addWidget(myLabel);
  77
  78   QString aToolTip = QString::fromStdString(theData->widgetTooltip());
  79   myTextLine = new QLineEdit(myContainer);
  80   myTextLine->setReadOnly(true);
  81   myTextLine->setToolTip(aToolTip);
  82   myTextLine->installEventFilter(this);
  83
  84   myBasePalet = myTextLine->palette();
  85   myInactivePalet = myBasePalet;
  86   myInactivePalet.setBrush(QPalette::Base, QBrush(Qt::gray, Qt::Dense6Pattern));
  87   myTextLine->setPalette(myInactivePalet);
  88
  89   aLayout->addWidget(myTextLine, 1);
  90
  91   std::string aTypes = theData->getProperty("shape_types");
  92   myShapeTypes = QString(aTypes.c_str()).split(' ');
  93
  94   std::string aUseSubShapes = theData->getProperty("use_subshapes");
  95   if (aUseSubShapes.length() > 0) {
  96     QString aVal(aUseSubShapes.c_str());
  97     myUseSubShapes = (aVal.toUpper() == "TRUE");
  98   }
  99 }
 100
 101 //********************************************************************
 102 ModuleBase_WidgetShapeSelector::~ModuleBase_WidgetShapeSelector()
 103 {
 104   activateSelection(false);
 105 }
 106
 107 //********************************************************************
 108 bool ModuleBase_WidgetShapeSelector::storeValue() const
 109 {
 110   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(mySelectedObject);
 111   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
 112     return false;
 113
 114   DataPtr aData = myFeature->data();
 115   if (myUseSubShapes) {
 116     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect =
 117       boost::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aData->attribute(attributeID()));
 118
 119     ResultBodyPtr aBody = boost::dynamic_pointer_cast<ModelAPI_ResultBody>(mySelectedObject);
 120     if (aBody)
 121       aSelect->setValue(aBody, myShape);
 122   } else {
 123     boost::shared_ptr<ModelAPI_AttributeReference> aRef =
 124       boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(aData->attribute(attributeID()));
 125
 126     ObjectPtr aObject = aRef->value();
 127     if (!(aObject && aObject->isSame(mySelectedObject))) {
 128       aRef->setValue(mySelectedObject);
 129       updateObject(myFeature);
 130     }
 131   }
 132   return true;
 133 }
 134
 135 //********************************************************************
 136 bool ModuleBase_WidgetShapeSelector::restoreValue()
 137 {
 138   DataPtr aData = myFeature->data();
 139   bool isBlocked = this->blockSignals(true);
 140   if (myUseSubShapes) {
 141     boost::shared_ptr<ModelAPI_AttributeSelection> aSelect = aData->selection(attributeID());
 142     if (aSelect) {
 143       mySelectedObject = aSelect->context();
 144       myShape = aSelect->value();
 145     }
 146   } else {
 147     boost::shared_ptr<ModelAPI_AttributeReference> aRef = aData->reference(attributeID());
 148     mySelectedObject = aRef->value();
 149   }
 150   updateSelectionName();
 151
 152   this->blockSignals(isBlocked);
 153   return true;
 154 }
 155
 156 //********************************************************************
 157 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 158 {
 159   QList<QWidget*> aControls;
 160   aControls.append(myLabel);
 161   aControls.append(myTextLine);
 162   return aControls;
 163 }
 164
 165 //********************************************************************
 166 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 167 {
 168   QList<ObjectPtr> aObjects = myWorkshop->selection()->selectedObjects();
 169   if (aObjects.size() > 0) {
 170     ObjectPtr aObject = aObjects.first();
 171     if ((!mySelectedObject) && (!aObject))
 172       return;
 173     if (mySelectedObject && aObject && mySelectedObject->isSame(aObject))
 174       return;
 175
 176     // Get sub-shapes from local selection
 177     boost::shared_ptr<GeomAPI_Shape> aShape;
 178     if (myUseSubShapes) {
 179       NCollection_List<TopoDS_Shape> aShapeList;
 180       myWorkshop->selection()->selectedShapes(aShapeList);
 181       if (aShapeList.Extent() > 0) {
 182         aShape = boost::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 183         aShape->setImpl(new TopoDS_Shape(aShapeList.First()));
 184       }
 185     }
 186
 187     // Check that the selection corresponds to selection type
 188     if (myUseSubShapes) {
 189       if (!isAccepted(aShape))
 190         return;
 191     } else {
 192       if (!isAccepted(aObject))
 193         return;
 194     }
 195     setObject(aObject, aShape);
 196     emit focusOutWidget(this);
 197   }
 198 }
 199
 200 //********************************************************************
 201 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj, boost::shared_ptr<GeomAPI_Shape> theShape)
 202 {
 203   if (mySelectedObject == theObj)
 204     return;
 205   mySelectedObject = theObj;
 206   myShape = theShape;
 207   if (mySelectedObject) {
 208     raisePanel();
 209     if (!myUseSubShapes) {
 210       static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 211       ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 212       Events_Loop::loop()->flush(anEvent);
 213     }
 214   }
 215   updateSelectionName();
 216   activateSelection(false);
 217   emit valuesChanged();
 218 }
 219
 220 //********************************************************************
 221 bool ModuleBase_WidgetShapeSelector::isAccepted(const ObjectPtr theResult) const
 222 {
 223   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 224   if (myFeature) {
 225     // We can not select a result of our feature
 226     const std::list<boost::shared_ptr<ModelAPI_Result>>& aRes = myFeature->results();
 227     std::list<boost::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 228     for (aIt = aRes.cbegin(); aIt != aRes.cend(); ++aIt) {
 229       if ((*aIt) == aResult)
 230         return false;
 231     }
 232   }
 233   // Check that object belongs to active document or PartSet
 234   DocumentPtr aDoc = aResult->document();
 235   SessionPtr aMgr = ModelAPI_Session::get();
 236   if (!(aDoc == aMgr->activeDocument()) || (aDoc == aMgr->moduleDocument()))
 237     return false;
 238
 239   // Check that the shape of necessary type
 240   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 241   if (!aShapePtr)
 242     return false;
 243   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 244   if (aShape.IsNull())
 245     return false;
 246
 247   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 248   if (aShapeType == TopAbs_COMPOUND) {
 249     foreach (QString aType, myShapeTypes) {
 250       TopExp_Explorer aEx(aShape, shapeType(aType));
 251       if (aEx.More())
 252         return true;
 253     }
 254   } else {
 255     foreach (QString aType, myShapeTypes) {
 256       if (shapeType(aType) == aShapeType)
 257         return true;
 258     }
 259   }
 260   return false;
 261 }
 262
 263 //********************************************************************
 264 bool ModuleBase_WidgetShapeSelector::isAccepted(boost::shared_ptr<GeomAPI_Shape> theShape) const
 265 {
 266   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 267   foreach (QString aType, myShapeTypes) {
 268     if (aShape.ShapeType() == shapeType(aType))
 269       return true;
 270   }
 271   return false;
 272 }
 273
 274 //********************************************************************
 275 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 276 {
 277   if (mySelectedObject) {
 278     std::string aName = mySelectedObject->data()->name();
 279     myTextLine->setText(QString::fromStdString(aName));
 280   } else {
 281     if (myIsActive) {
 282       QString aMsg = tr("Select a ");
 283       int i = 0;
 284       foreach (QString aType, myShapeTypes) {
 285         if (i > 0)
 286           aMsg += " or ";
 287         aMsg += aType;
 288         i++;
 289       }
 290       myTextLine->setText(aMsg);
 291     } else
 292       myTextLine->setText(tr("No object selected"));
 293   }
 294 }
 295
 296
 297 //********************************************************************
 298 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 299 {
 300   myIsActive = toActivate;
 301   if (myIsActive)
 302     myTextLine->setPalette(myBasePalet);
 303   else
 304     myTextLine->setPalette(myInactivePalet);
 305   updateSelectionName();
 306
 307   if (myIsActive) {
 308     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 309     if (myUseSubShapes) {
 310       QIntList aList;
 311       foreach (QString aType, myShapeTypes)
 312         aList.append(shapeType(aType));
 313       myWorkshop->activateSubShapesSelection(aList);
 314     }
 315   } else {
 316     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 317     if (myUseSubShapes)
 318       myWorkshop->deactivateSubShapesSelection();
 319   }
 320 }
 321
 322 //********************************************************************
 323 void ModuleBase_WidgetShapeSelector::raisePanel() const
 324 {
 325   QWidget* aParent = myContainer->parentWidget();
 326   QWidget* aLastPanel = 0;
 327   while (!aParent->inherits("QDockWidget")) {
 328     aLastPanel = aParent;
 329     aParent = aParent->parentWidget();
 330     if (!aParent)
 331       return;
 332   }
 333   if (aParent->inherits("QDockWidget")) {
 334     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 335     aTabWgt->raise();
 336   }
 337 }
 338
 339 //********************************************************************
 340 bool ModuleBase_WidgetShapeSelector::focusTo()
 341 {
 342   activateSelection(true);
 343   return true;
 344 }
 345
 346 //********************************************************************
 347 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 348 {
 349   if (theObj == myTextLine) {
 350     if (theEvent->type() == QEvent::FocusIn)
 351       activateSelection(true);
 352   }
 353   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 354 }
 355
 356 //********************************************************************
 357 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 358 {
 359   if (theValue) {
 360     ModuleBase_WidgetValueFeature* aFeatureValue =
 361         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 362     if (aFeatureValue && aFeatureValue->object()) {
 363       ObjectPtr aObject = aFeatureValue->object();
 364       if (isAccepted(aObject)) {
 365         setObject(aObject);
 366         return true;
 367       }
 368     }
 369   }
 370   return false;
 371 }
 372