Created the workbench, FuseCompound command

FuseCompound.py

@@ -0,0 +1,137 @@
+import FreeCAD, Part
+
+if FreeCAD.GuiUp:
+    import FreeCADGui
+    from PySide import QtCore, QtGui
+
+__title__="FuseCompound module for FreeCAD"
+__author__ = "DeepSOIC"
+__url__ = ""
+
+#-------------------------- translation-related code ----------------------------------------
+#Thanks, yorik! (see forum thread "A new Part tool is being born... JoinFeatures!"
+#http://forum.freecadweb.org/viewtopic.php?f=22&t=11112&start=30#p90239 )
+try:
+    _fromUtf8 = QtCore.QString.fromUtf8
+except AttributeError:
+    def _fromUtf8(s):
+        return s
+try:
+    _encoding = QtGui.QApplication.UnicodeUTF8
+    def _translate(context, text, disambig):
+        return QtGui.QApplication.translate(context, text, disambig, _encoding)
+except AttributeError:
+    def _translate(context, text, disambig):
+        return QtGui.QApplication.translate(context, text, disambig)
+#--------------------------/translation-related code ----------------------------------------
+
+
+# -------------------------- common stuff --------------------------------------------------
+def getParamRefine():
+    return FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Part/Boolean").GetBool("RefineModel")
+
+def makeFuseCompound(name):
+    '''makeFuseCompound(name): makes a FuseCompound object.'''
+    obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
+    _FuseCompound(obj)
+    obj.Refine = getParamRefine()
+    _ViewProviderFuseCompound(obj.ViewObject)
+    return obj
+
+class _FuseCompound:
+    "The FuseCompound object"
+    def __init__(self,obj):
+        self.Type = "FuseCompound"
+        obj.addProperty("App::PropertyLink","Base","FuseCompound","Compound with self-intersections to be fused")
+        obj.addProperty("App::PropertyBool","Refine","FuseCompound","True = refine resulting shape. False = output as is.")
+        obj.addProperty("App::PropertyInteger","recomputeQuota","FuseCompound","recompute limiter. Will decrease by one each time it recomputes. Setting to zero disables recomputes. Setting negative makes recomputes unlimited.")
+        obj.recomputeQuota = -1
+        obj.Proxy = self
+        
+
+    def execute(self,obj):
+        rst = None
+        shps = obj.Base.Shape.childShapes()
+        if len(shps) > 1:
+            rst = shps[0].multiFuse(shps[1:])
+            if obj.Refine:
+                rst = rst.removeSplitter()
+            obj.Shape = rst
+        else:
+            obj.Shape = shps[0]
+        return
+        
+        
+class _ViewProviderFuseCompound:
+    "A View Provider for the FuseCompound object"
+
+    def __init__(self,vobj):
+        vobj.Proxy = self
+       
+    def getIcon(self):
+        return getIconPath("Lattice_FuseCompound.svg")
+
+    def attach(self, vobj):
+        self.ViewObject = vobj
+        self.Object = vobj.Object
+
+  
+    def setEdit(self,vobj,mode):
+        return False
+    
+    def unsetEdit(self,vobj,mode):
+        return
+
+    def __getstate__(self):
+        return None
+
+    def __setstate__(self,state):
+        return None
+
+def CreateFuseCompound(name):
+    FreeCAD.ActiveDocument.openTransaction("Create FuseCompound")
+    FreeCADGui.addModule("FuseCompound")
+    FreeCADGui.doCommand("f = FuseCompound.makeFuseCompound(name = '"+name+"')")
+    FreeCADGui.doCommand("f.Base = FreeCADGui.Selection.getSelection()[0]")
+    FreeCADGui.doCommand("f.Proxy.execute(f)")
+    FreeCADGui.doCommand("f.purgeTouched()")
+    FreeCADGui.doCommand("f.Base.ViewObject.hide()")
+    FreeCADGui.doCommand("f = None")
+    FreeCAD.ActiveDocument.commitTransaction()
+
+def getIconPath(icon_dot_svg):
+    return ":/icons/" + icon_dot_svg
+
+# -------------------------- /common stuff --------------------------------------------------
+
+# -------------------------- Gui command --------------------------------------------------
+
+class _CommandFuseCompound:
+    "Command to create FuseCompound feature"
+    def GetResources(self):
+        return {'Pixmap'  : getIconPath("Lattice_FuseCompound.svg"),
+                'MenuText': QtCore.QT_TRANSLATE_NOOP("Lattice_FuseCompound","Fuse compound"),
+                'Accel': "",
+                'ToolTip': QtCore.QT_TRANSLATE_NOOP("Lattice_FuseCompound","Fuse objects contained in a compound")}
+        
+    def Activated(self):
+        if len(FreeCADGui.Selection.getSelection()) == 1 :
+            CreateFuseCompound(name = "FuseCompound")
+        else:
+            mb = QtGui.QMessageBox()
+            mb.setIcon(mb.Icon.Warning)
+            mb.setText(_translate("Lattice_FuseCompound", "Select a shape that is a compound whose children intersect, first!", None))
+            mb.setWindowTitle(_translate("Lattice_FuseCompound","Bad selection", None))
+            mb.exec_()
+            
+    def IsActive(self):
+        if FreeCAD.ActiveDocument:
+            return True
+        else:
+            return False
+            
+FreeCADGui.addCommand('Lattice_FuseCompound', _CommandFuseCompound())
+
+exportedCommands = ['Lattice_FuseCompound']
+
+# -------------------------- /Gui command --------------------------------------------------

InitGui.py

@@ -0,0 +1,41 @@
+class LatticeWorkbench (Workbench): 
+    MenuText = 'Lattice'
+    def Initialize(self):
+        import FuseCompound
+        commandslist = FuseCompound.exportedCommands
+        self.appendToolbar('Lattice', commandslist)
+        self.treecmdList = ['importPart', 'updateImportedPartsCommand']
+        #FreeCADGui.addIconPath( '' )
+        #FreeCADGui.addPreferencePage( '','Lattice' )
+        self.appendMenu('Lattice', commandslist)
+
+    def Activated(self):
+        pass
+
+ 	Icon = """
+ 			/* XPM */
+ 			static const char *test_icon[]={
+ 			"16 16 2 1",
+ 			"a c #000000",
+ 			". c None",
+ 			".....#.....#....",
+ 			".....#.....#....",
+ 			".....#.....#....",
+ 			".....#.....#....",
+ 			"################",
+ 			".....#.....#....",
+ 			".....#.....#....",
+ 			".....#.....#....",
+ 			".....#.....#....",
+ 			"################",
+ 			".....#.....#....",
+ 			".....#.....#....",
+ 			".....#.....#....",
+ 			".....#.....#....",
+ 			"................",
+ 			"................"};
+ 			"""
+
+
+Gui.addWorkbench(LatticeWorkbench())
+