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
   8 #include <Events_Loop.h>
   9 #include <ModelAPI_Events.h>
  10 #include <ModelAPI_Tools.h>
  11
  12 #include <ModelAPI_Data.h>
  13 #include <ModelAPI_Object.h>
  14 #include <ModelAPI_Result.h>
  15 #include <ModelAPI_AttributeReference.h>
  16 #include <Config_WidgetAPI.h>
  17
  18 #include <GeomAPI_Shape.h>
  19
  20 #include <TopoDS_Shape.hxx>
  21 #include <TopExp_Explorer.hxx>
  22
  23 #include <QWidget>
  24 #include <QLayout>
  25 #include <QLabel>
  26 #include <QLineEdit>
  27 #include <QToolButton>
  28 #include <QString>
  29 #include <QEvent>
  30 #include <QDockWidget>
  31
  32 #include <stdexcept>
  33
  34 typedef QMap<QString, TopAbs_ShapeEnum> ShapeTypes;
  35 static ShapeTypes MyShapeTypes;
  36
  37 TopAbs_ShapeEnum ModuleBase_WidgetShapeSelector::shapeType(const QString& theType)
  38 {
  39   if (MyShapeTypes.count() == 0) {
  40     MyShapeTypes["face"] = TopAbs_FACE;
  41     MyShapeTypes["vertex"] = TopAbs_VERTEX;
  42     MyShapeTypes["wire"] = TopAbs_WIRE;
  43     MyShapeTypes["edge"] = TopAbs_EDGE;
  44     MyShapeTypes["shell"] = TopAbs_SHELL;
  45     MyShapeTypes["solid"] = TopAbs_SOLID;
  46   }
  47   if (MyShapeTypes.contains(theType))
  48     return MyShapeTypes[theType];
  49   throw std::invalid_argument("Shape type defined in XML is not implemented!");
  50 }
  51
  52 ModuleBase_WidgetShapeSelector::ModuleBase_WidgetShapeSelector(QWidget* theParent,
  53                                                      ModuleBase_IWorkshop* theWorkshop,
  54                                                      const Config_WidgetAPI* theData,
  55                                                      const std::string& theParentId)
  56     : ModuleBase_ModelWidget(theParent, theData, theParentId),
  57       myWorkshop(theWorkshop), myIsActive(false)
  58 {
  59   myContainer = new QWidget(theParent);
  60   QHBoxLayout* aLayout = new QHBoxLayout(myContainer);
  61
  62   aLayout->setContentsMargins(0, 0, 0, 0);
  63   QString aLabelText = QString::fromStdString(theData->widgetLabel());
  64   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
  65   myLabel = new QLabel(aLabelText, myContainer);
  66   if (!aLabelIcon.isEmpty())
  67     myLabel->setPixmap(QPixmap(aLabelIcon));
  68
  69   aLayout->addWidget(myLabel);
  70
  71   QString aToolTip = QString::fromStdString(theData->widgetTooltip());
  72   myTextLine = new QLineEdit(myContainer);
  73   myTextLine->setReadOnly(true);
  74   myTextLine->setToolTip(aToolTip);
  75   myTextLine->installEventFilter(this);
  76
  77   myBasePalet = myTextLine->palette();
  78   myInactivePalet = myBasePalet;
  79   myInactivePalet.setBrush(QPalette::Base, QBrush(Qt::gray, Qt::Dense6Pattern));
  80   myTextLine->setPalette(myInactivePalet);
  81
  82   aLayout->addWidget(myTextLine, 1);
  83
  84   std::string aTypes = theData->getProperty("shape_types");
  85   myShapeTypes = QString(aTypes.c_str()).split(' ');
  86 }
  87
  88 //********************************************************************
  89 ModuleBase_WidgetShapeSelector::~ModuleBase_WidgetShapeSelector()
  90 {
  91 }
  92
  93 //********************************************************************
  94 bool ModuleBase_WidgetShapeSelector::storeValue() const
  95 {
  96   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(mySelectedObject);
  97   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
  98     return false;
  99
 100   DataPtr aData = myFeature->data();
 101   boost::shared_ptr<ModelAPI_AttributeReference> aRef = boost::dynamic_pointer_cast<
 102       ModelAPI_AttributeReference>(aData->attribute(attributeID()));
 103
 104   ObjectPtr aObject = aRef->value();
 105   if (!(aObject && aObject->isSame(mySelectedObject))) {
 106     aRef->setValue(mySelectedObject);
 107     updateObject(myFeature);
 108   }
 109   return true;
 110 }
 111
 112 //********************************************************************
 113 bool ModuleBase_WidgetShapeSelector::restoreValue()
 114 {
 115   DataPtr aData = myFeature->data();
 116   boost::shared_ptr<ModelAPI_AttributeReference> aRef = aData->reference(attributeID());
 117
 118   bool isBlocked = this->blockSignals(true);
 119   mySelectedObject = aRef->value();
 120   updateSelectionName();
 121
 122   this->blockSignals(isBlocked);
 123   return true;
 124 }
 125
 126 //********************************************************************
 127 QList<QWidget*> ModuleBase_WidgetShapeSelector::getControls() const
 128 {
 129   QList<QWidget*> aControls;
 130   aControls.append(myLabel);
 131   aControls.append(myTextLine);
 132   return aControls;
 133 }
 134
 135 //********************************************************************
 136 void ModuleBase_WidgetShapeSelector::onSelectionChanged()
 137 {
 138   QList<ObjectPtr> aObjects = myWorkshop->selectedObjects();
 139   if (aObjects.size() > 0) {
 140     ObjectPtr aObject = aObjects.first();
 141     if ((!mySelectedObject) && (!aObject))
 142       return;
 143     if (mySelectedObject && aObject && mySelectedObject->isSame(aObject))
 144       return;
 145
 146     // Check that the selection corresponds to selection type
 147     if (!isAccepted(aObject))
 148       return;
 149
 150     mySelectedObject = aObject;
 151     if (mySelectedObject) {
 152       updateSelectionName();
 153       raisePanel();
 154       static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_TOHIDE);
 155       ModelAPI_EventCreator::get()->sendUpdated(mySelectedObject, anEvent);
 156       Events_Loop::loop()->flush(anEvent);
 157     } else {
 158       myTextLine->setText("");
 159     }
 160     activateSelection(false);
 161     emit valuesChanged();
 162     emit focusOutWidget(this);
 163   }
 164 }
 165
 166 //********************************************************************
 167 bool ModuleBase_WidgetShapeSelector::isAccepted(const ObjectPtr theResult) const
 168 {
 169   ResultPtr aResult = boost::dynamic_pointer_cast<ModelAPI_Result>(theResult);
 170   boost::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aResult);
 171   if (!aShapePtr)
 172     return false;
 173   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 174   if (aShape.IsNull())
 175     return false;
 176
 177   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 178   if (aShapeType == TopAbs_COMPOUND) {
 179     foreach (QString aType, myShapeTypes) {
 180       TopExp_Explorer aEx(aShape, shapeType(aType));
 181       if (aEx.More())
 182         return true;
 183     }
 184   } else {
 185     foreach (QString aType, myShapeTypes) {
 186       if (shapeType(aType) == aShapeType)
 187         return true;
 188     }
 189   }
 190   return false;
 191 }
 192
 193 //********************************************************************
 194 void ModuleBase_WidgetShapeSelector::updateSelectionName()
 195 {
 196   if (mySelectedObject) {
 197     std::string aName = mySelectedObject->data()->name();
 198     myTextLine->setText(QString::fromStdString(aName));
 199   } else {
 200     if (myIsActive)
 201       myTextLine->setText(tr("Select an object"));
 202     else
 203       myTextLine->setText(tr("No object selected"));
 204   }
 205 }
 206
 207
 208 //********************************************************************
 209 void ModuleBase_WidgetShapeSelector::activateSelection(bool toActivate)
 210 {
 211   myIsActive = toActivate;
 212   if (myIsActive)
 213     myTextLine->setPalette(myBasePalet);
 214   else
 215     myTextLine->setPalette(myInactivePalet);
 216   updateSelectionName();
 217
 218   if (myIsActive)
 219     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 220   else
 221     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 222 }
 223
 224 //********************************************************************
 225 void ModuleBase_WidgetShapeSelector::raisePanel() const
 226 {
 227   QWidget* aParent = myContainer->parentWidget();
 228   QWidget* aLastPanel = 0;
 229   while (!aParent->inherits("QDockWidget")) {
 230     aLastPanel = aParent;
 231     aParent = aParent->parentWidget();
 232     if (!aParent)
 233       return;
 234   }
 235   if (aParent->inherits("QDockWidget")) {
 236     QDockWidget* aTabWgt = (QDockWidget*) aParent;
 237     aTabWgt->raise();
 238   }
 239 }
 240
 241 //********************************************************************
 242 bool ModuleBase_WidgetShapeSelector::focusTo()
 243 {
 244   activateSelection(true);
 245   return true;
 246 }
 247
 248 //********************************************************************
 249 bool ModuleBase_WidgetShapeSelector::eventFilter(QObject* theObj, QEvent* theEvent)
 250 {
 251   if (theObj == myTextLine) {
 252     if (theEvent->type() == QEvent::FocusIn)
 253       activateSelection(true);
 254   }
 255   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 256 }