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     // Check that the selection corresponds to selection type
 176     if (!isAccepted(aObject))
 177       return;
 178
 179     setObject(aObject);
 180     emit focusOutWidget(this);
 181   }
 182 }
 183
 184 //********************************************************************
 185 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj)
 186 {
 187   if (mySelectedObject == theObj)
 188     return;
 189   mySelectedObject = theObj;
 190   if (mySelectedObject) {
 191     raisePanel();
 192     static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 193     ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 194     Events_Loop::loop()->flush(anEvent);
 195   }
 196   updateSelectionName();
 197   activateSelection(false);
 198   emit valuesChanged();
 199 }
 200
 201 //********************************************************************
 202 bool ModuleBase_WidgetShapeSelector::isAccepted(const ObjectPtr theResult) const
 203 {
 204   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 205   if (myFeature) {
 206     // We can not select a result of our feature
 207     const std::list<boost::shared_ptr<ModelAPI_Result>>& aRes = myFeature->results();
 208     std::list<boost::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 209     for (aIt = aRes.cbegin(); aIt != aRes.cend(); ++aIt) {
 210       if ((*aIt) == aResult)
 211         return false;
 212     }
 213   }
 214   // Check that object belongs to active document or PartSet
 215   DocumentPtr aDoc = aResult->document();
 216   SessionPtr aMgr = ModelAPI_Session::get();
 217   if (!(aDoc == aMgr->activeDocument()) || (aDoc == aMgr->moduleDocument()))
 218     return false;
 219
 220   // Check that the shape of necessary type
 221   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 222   if (!aShapePtr)
 223     return false;
 224   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 225   if (aShape.IsNull())
 226     return false;
 227
 228   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 229   if (aShapeType == TopAbs_COMPOUND) {
 230     foreach (QString aType, myShapeTypes) {
 231       TopExp_Explorer aEx(aShape, shapeType(aType));
 232       if (aEx.More())
 233         return true;
 234     }
 235   } else {
 236     foreach (QString aType, myShapeTypes) {
 237       if (shapeType(aType) == aShapeType)
 238         return true;
 239     }
 240   }
 241   return false;
 242 }
 243
 244 //********************************************************************
 245 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 246 {
 247   if (mySelectedObject) {
 248     std::string aName = mySelectedObject->data()->name();
 249     myTextLine->setText(QString::fromStdString(aName));
 250   } else {
 251     if (myIsActive) {
 252       QString aMsg = tr("Select a ");
 253       int i = 0;
 254       foreach (QString aType, myShapeTypes) {
 255         if (i > 0)
 256           aMsg += " or ";
 257         aMsg += aType;
 258         i++;
 259       }
 260       myTextLine->setText(aMsg);
 261     } else
 262       myTextLine->setText(tr("No object selected"));
 263   }
 264 }
 265
 266
 267 //********************************************************************
 268 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 269 {
 270   myIsActive = toActivate;
 271   if (myIsActive)
 272     myTextLine->setPalette(myBasePalet);
 273   else
 274     myTextLine->setPalette(myInactivePalet);
 275   updateSelectionName();
 276
 277   if (myIsActive) {
 278     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 279     if (myUseSubShapes) {
 280       QIntList aList;
 281       foreach (QString aType, myShapeTypes)
 282         aList.append(shapeType(aType));
 283       myWorkshop->activateSubShapesSelection(aList);
 284     }
 285   } else {
 286     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 287     if (myUseSubShapes)
 288       myWorkshop->deactivateSubShapesSelection();
 289   }
 290 }
 291
 292 //********************************************************************
 293 void ModuleBase_WidgetShapeSelector::raisePanel() const
 294 {
 295   QWidget* aParent = myContainer->parentWidget();
 296   QWidget* aLastPanel = 0;
 297   while (!aParent->inherits("QDockWidget")) {
 298     aLastPanel = aParent;
 299     aParent = aParent->parentWidget();
 300     if (!aParent)
 301       return;
 302   }
 303   if (aParent->inherits("QDockWidget")) {
 304     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 305     aTabWgt->raise();
 306   }
 307 }
 308
 309 //********************************************************************
 310 bool ModuleBase_WidgetShapeSelector::focusTo()
 311 {
 312   activateSelection(true);
 313   return true;
 314 }
 315
 316 //********************************************************************
 317 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 318 {
 319   if (theObj == myTextLine) {
 320     if (theEvent->type() == QEvent::FocusIn)
 321       activateSelection(true);
 322   }
 323   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 324 }
 325
 326 //********************************************************************
 327 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 328 {
 329   if (theValue) {
 330     ModuleBase_WidgetValueFeature* aFeatureValue =
 331         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 332     if (aFeatureValue && aFeatureValue->object()) {
 333       ObjectPtr aObject = aFeatureValue->object();
 334       if (isAccepted(aObject)) {
 335         setObject(aObject);
 336         return true;
 337       }
 338     }
 339   }
 340   return false;
 341 }
 342