from Circle import Circle
from qtsalome import *
-class GraphicsView( QGraphicsView ) :
- moved = pyqtSignal(QPointF)
- released = pyqtSignal(QPointF)
+class GraphicsView(QGraphicsView):
- def __init__( self, scene ) :
- QGraphicsView.__init__( self, scene )
- self.setMouseTracking( True )
- self._selectedItem = None
- self.moved[QPointF].connect(self.execMouseMoveEvent)
- self.released[QPointF].connect(self.execMouseReleaseEvent)
- pass
+ moved = pyqtSignal(QPointF)
+ released = pyqtSignal(QPointF)
- def mousePressEvent( self, mouseEvent ) :
- QGraphicsView.mousePressEvent( self, mouseEvent )
- if self.scene() is None : return
- self._selectedItem = self.scene().mouseGrabberItem()
- pass
+ def __init__(self, scene):
+ QGraphicsView.__init__(self, scene)
+ self.setMouseTracking(True)
+ self._selectedItem = None
+ self.moved[QPointF].connect(self.execMouseMoveEvent)
+ self.released[QPointF].connect(self.execMouseReleaseEvent)
+ pass
- def mouseMoveEvent( self, mouseEvent ) :
- QGraphicsView.mouseMoveEvent( self, mouseEvent )
- pt = mouseEvent.pos()
- currentPos = self.mapToScene( pt )
- self.moved.emit(currentPos)
- pass
+ def mousePressEvent(self, mouseEvent):
+ QGraphicsView.mousePressEvent(self, mouseEvent)
+ if self.scene() is None:
+ return
+ self._selectedItem = self.scene().mouseGrabberItem()
+ pass
- def mouseReleaseEvent( self, mouseEvent ) :
- QGraphicsView.mouseReleaseEvent( self, mouseEvent )
- if mouseEvent.button() == Qt.LeftButton :
- pt = mouseEvent.pos()
- newPos = self.mapToScene( pt )
- self.released.emit(newPos)
- self._selectedItem = None
- pass
- pass
+ def mouseMoveEvent(self, mouseEvent):
+ QGraphicsView.mouseMoveEvent(self, mouseEvent)
+ pt = mouseEvent.pos()
+ currentPos = self.mapToScene(pt)
+ self.moved.emit(currentPos)
+ pass
- def execMouseMoveEvent( self, currentPos ) :
- if self._selectedItem is None : return
- selectedIndex = self._selectedItem.getIndex()
- newX = currentPos.x()
- newY = currentPos.y()
- newPoint = newX, newY
- model = self.scene().getModel()
- pen = QPen( QColor("red") )
- if isinstance( model, Polyline ) :
- #Previsualisation
- if selectedIndex == 0 :
- nextPoint = model.getPoints()[ selectedIndex+1 ]
- xNext = nextPoint[0]
- yNext = nextPoint[1]
- self.scene().addLine( newX, newY, xNext, yNext, pen )
- pass
- elif selectedIndex == len( model.getPoints()) - 1 :
- previousPoint = model.getPoints()[ selectedIndex-1 ]
- xPrevious = previousPoint[0]
- yPrevious = previousPoint[1]
- self.scene().addLine( xPrevious, yPrevious, newX, newY, pen )
- pass
- else :
- previousPoint = model.getPoints()[ selectedIndex-1 ]
- xPrevious = previousPoint[0]
- yPrevious = previousPoint[1]
- self.scene().addLine( xPrevious, yPrevious, newX, newY, pen )
- nextPoint = model.getPoints()[ selectedIndex+1 ]
- xNext = nextPoint[0]
- yNext = nextPoint[1]
- self.scene().addLine( newX, newY, xNext, yNext, pen )
- pass
- pass
- elif isinstance( model, Circle ) :
- #Previsualisation
- radius = float( model.getRadius() )
- rect = QRectF( newX-radius, newY-radius, 2*radius, 2*radius )
- circleItem = QGraphicsEllipseItem()
- circleItem.setPen( pen )
- circleItem.setRect( rect )
- self.scene().addItem( circleItem )
- pass
- pass
+ def mouseReleaseEvent(self, mouseEvent):
+ QGraphicsView.mouseReleaseEvent(self, mouseEvent)
+ if mouseEvent.button() == Qt.LeftButton:
+ pt = mouseEvent.pos()
+ newPos = self.mapToScene(pt)
+ self.released.emit(newPos)
+ self._selectedItem = None
+ pass
+ pass
+
+ def execMouseMoveEvent(self, currentPos):
+ if self._selectedItem is None:
+ return
+ selectedIndex = self._selectedItem.getIndex()
+ newX = currentPos.x()
+ newY = currentPos.y()
+ newPoint = newX, newY
+ model = self.scene().getModel()
+ pen = QPen(QColor("red"))
+ if isinstance(model, Polyline):
+ # Previsualisation
+ if selectedIndex == 0:
+ nextPoint = model.getPoints()[selectedIndex + 1]
+ xNext = nextPoint[0]
+ yNext = nextPoint[1]
+ self.scene().addLine(newX, newY, xNext, yNext, pen)
+ pass
+ elif selectedIndex == len(model.getPoints()) - 1:
+ previousPoint = model.getPoints()[selectedIndex - 1]
+ xPrevious = previousPoint[0]
+ yPrevious = previousPoint[1]
+ self.scene().addLine(xPrevious, yPrevious, newX, newY, pen)
+ pass
+ else:
+ previousPoint = model.getPoints()[selectedIndex - 1]
+ xPrevious = previousPoint[0]
+ yPrevious = previousPoint[1]
+ self.scene().addLine(xPrevious, yPrevious, newX, newY, pen)
+ nextPoint = model.getPoints()[selectedIndex + 1]
+ xNext = nextPoint[0]
+ yNext = nextPoint[1]
+ self.scene().addLine(newX, newY, xNext, yNext, pen)
+ pass
+ pass
+ elif isinstance(model, Circle):
+ # Previsualisation
+ radius = float(model.getRadius())
+ rect = QRectF(newX - radius, newY - radius, 2 * radius, 2 * radius)
+ circleItem = QGraphicsEllipseItem()
+ circleItem.setPen(pen)
+ circleItem.setRect(rect)
+ self.scene().addItem(circleItem)
+ pass
+ pass
+
+ def execMouseReleaseEvent(self, newPos):
+ if self._selectedItem is None:
+ return
+ selectedIndex = self._selectedItem.getIndex()
+ newX = newPos.x()
+ newY = newPos.y()
+ newPoint = newX, newY
+ model = self.scene().getModel()
+ if isinstance(model, Polyline):
+ self.scene().getController().editPoint(model, newPoint, selectedIndex)
+ pass
+ elif isinstance(model, Circle):
+ self.scene().getController().editCenter(model, newPoint)
+ pass
+ pass
- def execMouseReleaseEvent( self, newPos ) :
- if self._selectedItem is None : return
- selectedIndex = self._selectedItem.getIndex()
- newX = newPos.x()
- newY = newPos.y()
- newPoint = newX, newY
- model = self.scene().getModel()
- if isinstance( model, Polyline ) :
- self.scene().getController().editPoint( model, newPoint, selectedIndex )
- pass
- elif isinstance( model, Circle ) :
- self.scene().getController().editCenter( model, newPoint )
- pass
- pass
pass
