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