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_Object.h>
  18 #include <ModelAPI_Result.h>
  19 #include <ModelAPI_AttributeReference.h>
  20 #include <Config_WidgetAPI.h>
  21
  22 #include <GeomAPI_Shape.h>
  23
  24 #include <TopoDS_Shape.hxx>
  25 #include <TopExp_Explorer.hxx>
  26
  27 #include <QWidget>
  28 #include <QLayout>
  29 #include <QLabel>
  30 #include <QLineEdit>
  31 #include <QToolButton>
  32 #include <QString>
  33 #include <QEvent>
  34 #include <QDockWidget>
  35
  36 #include <stdexcept>
  37
  38 typedef QMap<QString, TopAbs_ShapeEnum> ShapeTypes;
  39 static ShapeTypes MyShapeTypes;
  40
  41 TopAbs_ShapeEnum ModuleBase_WidgetShapeSelector::shapeType(const QString& theType)
  42 {
  43   if (MyShapeTypes.count() == 0) {
  44     MyShapeTypes["face"] = TopAbs_FACE;
  45     MyShapeTypes["vertex"] = TopAbs_VERTEX;
  46     MyShapeTypes["wire"] = TopAbs_WIRE;
  47     MyShapeTypes["edge"] = TopAbs_EDGE;
  48     MyShapeTypes["shell"] = TopAbs_SHELL;
  49     MyShapeTypes["solid"] = TopAbs_SOLID;
  50   }
  51   if (MyShapeTypes.contains(theType))
  52     return MyShapeTypes[theType];
  53   throw std::invalid_argument("Shape type defined in XML is not implemented!");
  54 }
  55
  56 ModuleBase_WidgetShapeSelector::ModuleBase_WidgetShapeSelector(QWidget* theParent,
  57                                                      ModuleBase_IWorkshop* theWorkshop,
  58                                                      const Config_WidgetAPI* theData,
  59                                                      const std::string& theParentId)
  60     : ModuleBase_ModelWidget(theParent, theData, theParentId),
  61       myWorkshop(theWorkshop), myIsActive(false)
  62 {
  63   myContainer = new QWidget(theParent);
  64   QHBoxLayout* aLayout = new QHBoxLayout(myContainer);
  65   ModuleBase_Tools::adjustMargins(aLayout);
  66
  67   QString aLabelText = QString::fromStdString(theData->widgetLabel());
  68   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
  69   myLabel = new QLabel(aLabelText, myContainer);
  70   if (!aLabelIcon.isEmpty())
  71     myLabel->setPixmap(QPixmap(aLabelIcon));
  72
  73   aLayout->addWidget(myLabel);
  74
  75   QString aToolTip = QString::fromStdString(theData->widgetTooltip());
  76   myTextLine = new QLineEdit(myContainer);
  77   myTextLine->setReadOnly(true);
  78   myTextLine->setToolTip(aToolTip);
  79   myTextLine->installEventFilter(this);
  80
  81   myBasePalet = myTextLine->palette();
  82   myInactivePalet = myBasePalet;
  83   myInactivePalet.setBrush(QPalette::Base, QBrush(Qt::gray, Qt::Dense6Pattern));
  84   myTextLine->setPalette(myInactivePalet);
  85
  86   aLayout->addWidget(myTextLine, 1);
  87
  88   std::string aTypes = theData->getProperty("shape_types");
  89   myShapeTypes = QString(aTypes.c_str()).split(' ');
  90 }
  91
  92 //********************************************************************
  93 ModuleBase_WidgetShapeSelector::~ModuleBase_WidgetShapeSelector()
  94 {
  95 }
  96
  97 //********************************************************************
  98 bool ModuleBase_WidgetShapeSelector::storeValue() const
  99 {
 100   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(mySelectedObject);
 101   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
 102     return false;
 103
 104   DataPtr aData = myFeature->data();
 105   boost::shared_ptr<ModelAPI_AttributeReference> aRef = boost::dynamic_pointer_cast<
 106       ModelAPI_AttributeReference>(aData->attribute(attributeID()));
 107
 108   ObjectPtr aObject = aRef->value();
 109   if (!(aObject && aObject->isSame(mySelectedObject))) {
 110     aRef->setValue(mySelectedObject);
 111     updateObject(myFeature);
 112   }
 113   return true;
 114 }
 115
 116 //********************************************************************
 117 bool ModuleBase_WidgetShapeSelector::restoreValue()
 118 {
 119   DataPtr aData = myFeature->data();
 120   boost::shared_ptr<ModelAPI_AttributeReference> aRef = aData->reference(attributeID());
 121
 122   bool isBlocked = this->blockSignals(true);
 123   mySelectedObject = aRef->value();
 124   updateSelectionName();
 125
 126   this->blockSignals(isBlocked);
 127   return true;
 128 }
 129
 130 //********************************************************************
 131 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 132 {
 133   QList<QWidget*> aControls;
 134   aControls.append(myLabel);
 135   aControls.append(myTextLine);
 136   return aControls;
 137 }
 138
 139 //********************************************************************
 140 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 141 {
 142   QList<ObjectPtr> aObjects = myWorkshop->selection()->selectedObjects();
 143   if (aObjects.size() > 0) {
 144     ObjectPtr aObject = aObjects.first();
 145     if ((!mySelectedObject) && (!aObject))
 146       return;
 147     if (mySelectedObject && aObject && mySelectedObject->isSame(aObject))
 148       return;
 149
 150     // Check that the selection corresponds to selection type
 151     if (!isAccepted(aObject))
 152       return;
 153
 154     setObject(aObject);
 155     emit focusOutWidget(this);
 156   }
 157 }
 158
 159 //********************************************************************
 160 void ModuleBase_WidgetShapeSelector::setObject(ObjectPtr theObj)
 161 {
 162   if (mySelectedObject == theObj)
 163     return;
 164   mySelectedObject = theObj;
 165   if (mySelectedObject) {
 166     raisePanel();
 167     static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 168     ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 169     Events_Loop::loop()->flush(anEvent);
 170   }
 171   updateSelectionName();
 172   activateSelection(false);
 173   emit valuesChanged();
 174 }
 175
 176 //********************************************************************
 177 bool ModuleBase_WidgetShapeSelector::isAccepted(const ObjectPtr theResult) const
 178 {
 179   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 180   if (myFeature) {
 181     // We can not select a result of our feature
 182     const std::list<boost::shared_ptr<ModelAPI_Result>>& aRes = myFeature->results();
 183     std::list<boost::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
 184     for (aIt = aRes.cbegin(); aIt != aRes.cend(); ++aIt) {
 185       if ((*aIt) == aResult)
 186         return false;
 187     }
 188   }
 189   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 190   if (!aShapePtr)
 191     return false;
 192   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 193   if (aShape.IsNull())
 194     return false;
 195
 196   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 197   if (aShapeType == TopAbs_COMPOUND) {
 198     foreach (QString aType, myShapeTypes) {
 199       TopExp_Explorer aEx(aShape, shapeType(aType));
 200       if (aEx.More())
 201         return true;
 202     }
 203   } else {
 204     foreach (QString aType, myShapeTypes) {
 205       if (shapeType(aType) == aShapeType)
 206         return true;
 207     }
 208   }
 209   return false;
 210 }
 211
 212 //********************************************************************
 213 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 214 {
 215   if (mySelectedObject) {
 216     std::string aName = mySelectedObject->data()->name();
 217     myTextLine->setText(QString::fromStdString(aName));
 218   } else {
 219     if (myIsActive) {
 220       QString aMsg = tr("Select a ");
 221       int i = 0;
 222       foreach (QString aType, myShapeTypes) {
 223         if (i > 0)
 224           aMsg += " or ";
 225         aMsg += aType;
 226         i++;
 227       }
 228       myTextLine->setText(aMsg);
 229     } else
 230       myTextLine->setText(tr("No object selected"));
 231   }
 232 }
 233
 234
 235 //********************************************************************
 236 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 237 {
 238   myIsActive = toActivate;
 239   if (myIsActive)
 240     myTextLine->setPalette(myBasePalet);
 241   else
 242     myTextLine->setPalette(myInactivePalet);
 243   updateSelectionName();
 244
 245   if (myIsActive)
 246     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 247   else
 248     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 249 }
 250
 251 //********************************************************************
 252 void ModuleBase_WidgetShapeSelector::raisePanel() const
 253 {
 254   QWidget* aParent = myContainer->parentWidget();
 255   QWidget* aLastPanel = 0;
 256   while (!aParent->inherits("QDockWidget")) {
 257     aLastPanel = aParent;
 258     aParent = aParent->parentWidget();
 259     if (!aParent)
 260       return;
 261   }
 262   if (aParent->inherits("QDockWidget")) {
 263     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 264     aTabWgt->raise();
 265   }
 266 }
 267
 268 //********************************************************************
 269 bool ModuleBase_WidgetShapeSelector::focusTo()
 270 {
 271   activateSelection(true);
 272   return true;
 273 }
 274
 275 //********************************************************************
 276 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 277 {
 278   if (theObj == myTextLine) {
 279     if (theEvent->type() == QEvent::FocusIn)
 280       activateSelection(true);
 281   }
 282   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 283 }
 284
 285 //********************************************************************
 286 bool ModuleBase_WidgetShapeSelector::setValue(ModuleBase_WidgetValue* theValue)
 287 {
 288   if (theValue) {
 289     ModuleBase_WidgetValueFeature* aFeatureValue =
 290         dynamic_cast<ModuleBase_WidgetValueFeature*>(theValue);
 291     if (aFeatureValue && aFeatureValue->object()) {
 292       ObjectPtr aObject = aFeatureValue->object();
 293       if (isAccepted(aObject)) {
 294         setObject(aObject);
 295         return true;
 296       }
 297     }
 298   }
 299   return false;
 300 }
 301