data/templates/PythonComponent/src/View/PolyGraphicsScene.py

   1 from GraphicsScene import GraphicsScene
   2 from qtsalome import *
   3 from GraphicsRectItem import GraphicsRectItem
   4
   5 class PolyGraphicsScene(  GraphicsScene ) :
   6
   7    def __init__( self, controller ) :
   8        GraphicsScene.__init__( self, controller )
   9        pass
  10
  11    def draw( self ) :
  12        points = self.getModel().getPoints()
  13
  14        # Drawing the points as small rectangles
  15        for i in range( len(points) ) :
  16           point = points[i]
  17           xPoint = float( point[0] )
  18           yPoint = float( point[1] )
  19           # Constructing a rectangle centered on point
  20           pointItem = GraphicsRectItem( xPoint-0.1, yPoint-0.1, 0.2, 0.2, i )
  21           self.addItem( pointItem )
  22           pass
  23
  24        # Linking the points with lines
  25        for i in range( len(points) - 1 ) :
  26           current = points[i]
  27           next = points[i+1]
  28           xCurrent = float( current[0] )
  29           yCurrent = float( current[1] )
  30           xNext = float( next[0] )
  31           yNext = float( next[1] )
  32           line = QLineF( xCurrent, yCurrent, xNext, yNext )
  33           lineItem = QGraphicsLineItem()
  34           lineItem.setLine( line )
  35           self.addItem( lineItem )
  36           pass
  37        pass
  38
  39 pass