+ add kwahoo's Spring script to PartDesign

git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5142 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d

src/Mod/PartDesign/App/CMakeLists.txt

@@ -77,13 +77,14 @@ SET(PartDesign_SRCS
 
 SET(PartDesign_Scripts
     __init__.py
-	Init.py
-	TestPartDesignApp.py
+    Init.py
+    TestPartDesignApp.py
     Scripts/__init__.py
     Scripts/Gear.py
     Scripts/DistanceBolt.py
     Scripts/RadialCopy.py
     Scripts/Parallelepiped.py
+    Scripts/Spring.py
 )
 
 add_library(PartDesign SHARED ${PartDesign_SRCS})

src/Mod/PartDesign/Gui/CMakeLists.txt

@@ -106,7 +106,7 @@ SOURCE_GROUP("Module" FILES ${PartDesignGuiModule_SRCS})
 
 SET(PartDesignGui_Scripts
     InitGui.py
-	TestPartDesignGui.py
+    TestPartDesignGui.py
 )
 
 SET(PartDesignGui_SRCS

src/Mod/PartDesign/Scripts/Makefile.am

@@ -5,7 +5,8 @@ data_DATA = \
 		Gear.py \
 		DistanceBolt.py \
 		RadialCopy.py \
-		Parallelepiped.py
+		Parallelepiped.py \
+		Spring.py
 
 EXTRA_DIST = \
 		$(data_DATA)

src/Mod/PartDesign/Scripts/Spring.py

@@ -0,0 +1,51 @@
+#! python
+# -*- coding: utf-8 -*-
+# (c) 2011 Adrian Przekwas LGPL
+
+from __future__ import division # allows floating point division from integers
+import FreeCAD, Part
+from FreeCAD import Base
+
+class MySpring:
+   def __init__(self, obj):
+      ''' Add the properties: Pitch, Diameter, Height, BarDiameter '''
+      obj.addProperty("App::PropertyLength","Pitch","MySpring","Pitch of the helix").Pitch=5.0
+      obj.addProperty("App::PropertyLength","Diameter","MySpring","Diameter of the helix").Diameter=6.0
+      obj.addProperty("App::PropertyLength","Height","MySpring","Height of the helix").Height=30.0
+      obj.addProperty("App::PropertyLength","BarDiameter","MySpring","Diameter of the bar").BarDiameter=3.0
+      obj.Proxy = self
+
+   def onChanged(self, fp, prop):
+      if prop == "Pitch" or prop == "Diameter" or prop == "Height" or prop == "BarDiameter":
+         self.execute(fp)
+
+   def execute(self, fp):
+      pitch = fp.Pitch
+      radius = fp.Diameter/2
+      height = fp.Height
+      barradius = fp.BarDiameter/2
+      myhelix=Part.makeHelix(pitch,height,radius)
+      g=myhelix.Edges[0].Curve
+      c=Part.Circle()
+      c.Center=g.value(0) # start point of the helix
+      c.Axis=(0,1,0)
+      c.Radius=barradius
+      p=c.toShape()
+      section = Part.Wire([p])
+      makeSolid=1 #change to 1 to make a solid
+      isFrenet=1
+      myspring=Part.Wire(myhelix).makePipeShell([section],makeSolid,isFrenet)
+      fp.Shape = myspring
+
+def makeMySpring():
+   doc = FreeCAD.activeDocument()
+   if doc == None:
+      doc = FreeCAD.newDocument()
+   spring=doc.addObject("Part::FeaturePython","My_Spring")
+   spring.Label = "My Spring"
+   MySpring(spring)
+   spring.ViewObject.Proxy=0
+   doc.recompute()
+
+if __name__ == "__main__":
+   makeMySpring()