#***************************************************************************
#*                                                                         *
#*   Copyright (c) 2011                                                    *
#*   Yorik van Havre <yorik@uncreated.net>                                 *
#*                                                                         *
#*   This program is free software; you can redistribute it and/or modify  *
#*   it under the terms of the GNU Lesser General Public License (LGPL)    *
#*   as published by the Free Software Foundation; either version 2 of     *
#*   the License, or (at your option) any later version.                   *
#*   for detail see the LICENCE text file.                                 *
#*                                                                         *
#*   This program is distributed in the hope that it will be useful,       *
#*   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
#*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
#*   GNU Library General Public License for more details.                  *
#*                                                                         *
#*   You should have received a copy of the GNU Library General Public     *
#*   License along with this program; if not, write to the Free Software   *
#*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
#*   USA                                                                   *
#*                                                                         *
#***************************************************************************

import FreeCAD,Draft,ArchComponent,DraftVecUtils,ArchCommands,Units
from FreeCAD import Vector
if FreeCAD.GuiUp:
    import FreeCADGui
    from PySide import QtCore, QtGui, QtSvg
    from DraftTools import translate
else:
    def translate(ctxt,txt):
        return txt

__title__="FreeCAD Window"
__author__ = "Yorik van Havre"
__url__ = "http://www.freecadweb.org"

# presets
WindowPartTypes = ["Frame","Solid panel","Glass panel"]
AllowedHosts =    ["Wall","Structure","Roof"]
WindowPresets =   ["Fixed", "Open 1-pane", "Open 2-pane", "Sash 2-pane",
                   "Sliding 2-pane", "Simple door", "Glass door"]
Roles =           ["Window","Door"]


def makeWindow(baseobj=None,width=None,height=None,parts=None,name="Window"):
    '''makeWindow(baseobj,[width,height,parts,name]): creates a window based on the
    given base 2D object (sketch or draft).'''

    if baseobj:
        if Draft.getType(baseobj) == "Window":
            obj = Draft.clone(baseobj)
            return obj
    p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
    obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
    obj.Label = translate("Arch",name)
    _Window(obj)
    if FreeCAD.GuiUp:
        _ViewProviderWindow(obj.ViewObject)
        obj.ViewObject.Transparency=p.GetInt("WindowTransparency",85)
    if width:
        obj.Width = width
    if height:
        obj.Height = height
    if baseobj:
        obj.Normal = baseobj.Placement.Rotation.multVec(FreeCAD.Vector(0,0,-1))
        obj.Base = baseobj
    if parts:
        obj.WindowParts = parts
    else:
        if baseobj:
            if baseobj.isDerivedFrom("Part::Part2DObject"):
                if baseobj.Shape.Wires:
                    i = 0
                    ws = ''
                    for w in baseobj.Shape.Wires:
                        if w.isClosed():
                            if ws: ws += ","
                            ws += "Wire" + str(i)
                            i += 1
                    obj.WindowParts = ["Default","Frame",ws,"1","0"]
    if obj.Base and FreeCAD.GuiUp:
        obj.Base.ViewObject.DisplayMode = "Wireframe"
        obj.Base.ViewObject.hide()
    return obj


def makeWindowPreset(windowtype,width,height,h1,h2,h3,w1,w2,o1,o2,placement=None):
    """makeWindowPreset(windowtype,width,height,h1,h2,h3,w1,w2,o1,o2,[placement]): makes a
    window object based on the given data. windowtype must be one of the names
    defined in Arch.WindowPresets"""

    def makeSketch(windowtype,width,height,h1,h2,h3,w1,w2,o1,o2):

        import Part,Sketcher
        width = float(width)
        height = float(height)
        h1 = float(h1)
        h2 = float(h2)
        h3 = float(h3)
        w1 = float(w1)
        w2 = float(w2)
        o1 = float(o1)
        o2 = float(o2)
        # small spacing to avoid wrong auto-wires in sketch
        tol = h1/10
        # glass size divider
        gla = 10
        s = FreeCAD.ActiveDocument.addObject('Sketcher::SketchObject','Sketch')

        def addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8):
            "adds two rectangles to the given sketch"
            idx = s.GeometryCount
            s.addGeometry(Part.Line(p1,p2))
            s.addGeometry(Part.Line(p2,p3))
            s.addGeometry(Part.Line(p3,p4))
            s.addGeometry(Part.Line(p4,p1))
            s.addConstraint(Sketcher.Constraint('Coincident',idx,2,idx+1,1))
            s.addConstraint(Sketcher.Constraint('Coincident',idx+1,2,idx+2,1))
            s.addConstraint(Sketcher.Constraint('Coincident',idx+2,2,idx+3,1))
            s.addConstraint(Sketcher.Constraint('Coincident',idx+3,2,idx,1))
            s.addConstraint(Sketcher.Constraint('Horizontal',idx))
            s.addConstraint(Sketcher.Constraint('Horizontal',idx+2))
            s.addConstraint(Sketcher.Constraint('Vertical',idx+1))
            s.addConstraint(Sketcher.Constraint('Vertical',idx+3))
            s.addGeometry(Part.Line(p5,p6))
            s.addGeometry(Part.Line(p6,p7))
            s.addGeometry(Part.Line(p7,p8))
            s.addGeometry(Part.Line(p8,p5))
            s.addConstraint(Sketcher.Constraint('Coincident',idx+4,2,idx+5,1))
            s.addConstraint(Sketcher.Constraint('Coincident',idx+5,2,idx+6,1))
            s.addConstraint(Sketcher.Constraint('Coincident',idx+6,2,idx+7,1))
            s.addConstraint(Sketcher.Constraint('Coincident',idx+7,2,idx+4,1))
            s.addConstraint(Sketcher.Constraint('Horizontal',idx+4))
            s.addConstraint(Sketcher.Constraint('Horizontal',idx+6))
            s.addConstraint(Sketcher.Constraint('Vertical',idx+5))
            s.addConstraint(Sketcher.Constraint('Vertical',idx+7))

        def outerFrame(s,width,height,h1,w1,o1):
            p1 = Vector(0,0,0)
            p2 = Vector(width,0,0)
            p3 = Vector(width,height,0)
            p4 = Vector(0,height,0)
            p5 = Vector(h1,h1,0)
            p6 = Vector(width-h1,h1,0)
            p7 = Vector(width-h1,height-h1,0)
            p8 = Vector(h1,height-h1,0)
            addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8)
            s.addConstraint(Sketcher.Constraint('DistanceY',1,height)) #16
            s.addConstraint(Sketcher.Constraint('DistanceX',0,width)) #17
            s.addConstraint(Sketcher.Constraint('DistanceY',6,2,2,2,h1))
            s.addConstraint(Sketcher.Constraint('DistanceX',2,2,6,2,h1))
            s.addConstraint(Sketcher.Constraint('DistanceX',4,2,0,2,h1))
            s.addConstraint(Sketcher.Constraint('DistanceY',0,2,4,2,h1))
            s.addConstraint(Sketcher.Constraint('Coincident',0,1,-1,1))
            return ["OuterFrame","Frame","Wire0,Wire1",str(w1),str(o1)]

        def doorFrame(s,width,height,h1,w1,o1):
            p1 = Vector(0,0,0)
            p2 = Vector(width,0,0)
            p3 = Vector(width,height,0)
            p4 = Vector(0,height,0)
            p5 = Vector(h1,0,0)
            p6 = Vector(width-h1,0,0)
            p7 = Vector(width-h1,height-h1,0)
            p8 = Vector(h1,height-h1,0)
            addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8)
            s.addConstraint(Sketcher.Constraint('DistanceY',1,height)) #16
            s.addConstraint(Sketcher.Constraint('DistanceX',0,width)) #17
            s.addConstraint(Sketcher.Constraint('DistanceY',6,2,2,2,h1))
            s.addConstraint(Sketcher.Constraint('DistanceX',2,2,6,2,h1))
            s.addConstraint(Sketcher.Constraint('DistanceX',4,2,0,2,h1))
            s.addConstraint(Sketcher.Constraint('DistanceY',0,2,4,2,0.0))
            s.addConstraint(Sketcher.Constraint('Coincident',0,1,-1,1))
            return ["OuterFrame","Frame","Wire0,Wire1",str(w1),str(o1)]

        if windowtype == "Fixed":
            wp = outerFrame(s,width,height,h1,w1,o1)
            wp.extend(["Glass","Glass panel","Wire1",str(w1/gla),str(w1/2)])

        elif windowtype == "Open 1-pane":
            wp = outerFrame(s,width,height,h1,w1,o1)
            p1 = Vector(h1+tol,h1+tol,0)
            p2 = Vector(width-(h1+tol),h1+tol,0)
            p3 = Vector(width-(h1+tol),height-(h1+tol),0)
            p4 = Vector(h1+tol,height-(h1+tol),0)
            p5 = Vector(h1+h2,h1+h2,0)
            p6 = Vector(width-(h1+h2),h1+h2,0)
            p7 = Vector(width-(h1+h2),height-(h1+h2),0)
            p8 = Vector(h1+h2,height-(h1+h2),0)
            addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8)
            s.addConstraint(Sketcher.Constraint('DistanceX',8,1,12,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceY',8,1,12,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',14,1,10,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceY',14,1,10,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',4,1,8,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',4,1,8,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceX',10,1,6,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',10,1,6,1,tol))
            wp.extend(["InnerFrame","Frame","Wire2,Wire3",str(w2),str(o1+o2)])
            wp.extend(["InnerGlass","Glass panel","Wire3",str(w2/gla),str(o1+o2+w2/2)])

        elif windowtype == "Open 2-pane":
            wp = outerFrame(s,width,height,h1,w1,o1)
            p1 = Vector(h1+tol,h1+tol,0)
            p2 = Vector((width/2)-tol,h1+tol,0)
            p3 = Vector((width/2)-tol,height-(h1+tol),0)
            p4 = Vector(h1+tol,height-(h1+tol),0)
            p5 = Vector(h1+h2,h1+h2,0)
            p6 = Vector((width/2)-h2,h1+h2,0)
            p7 = Vector((width/2)-h2,height-(h1+h2),0)
            p8 = Vector(h1+h2,height-(h1+h2),0)
            addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8)
            p1 = Vector((width/2)+tol,h1+tol,0)
            p2 = Vector(width-(h1+tol),h1+tol,0)
            p3 = Vector(width-(h1+tol),height-(h1+tol),0)
            p4 = Vector((width/2)+tol,height-(h1+tol),0)
            p5 = Vector((width/2)+h2,h1+h2,0)
            p6 = Vector(width-(h1+h2),h1+h2,0)
            p7 = Vector(width-(h1+h2),height-(h1+h2),0)
            p8 = Vector((width/2)+h2,height-(h1+h2),0)
            addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8)
            s.addConstraint(Sketcher.Constraint('DistanceY',8,1,12,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',8,1,12,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',21,2,17,2,h2))
            s.addConstraint(Sketcher.Constraint('DistanceY',21,2,17,2,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',16,1,20,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',14,1,10,1,h2))
            s.addConstraint(Sketcher.Constraint('Equal',22,14))
            s.addConstraint(Sketcher.Constraint('DistanceY',8,2,16,1,0.0))
            s.addConstraint(Sketcher.Constraint('DistanceY',10,1,18,2,0.0))
            s.addConstraint(Sketcher.Constraint('DistanceX',4,1,8,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',4,1,8,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceX',6,1,18,1,-tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',6,1,18,1,-tol))
            s.addConstraint(Sketcher.Constraint('DistanceX',9,1,19,2,tol))
            s.addConstraint(Sketcher.Constraint('PointOnObject',13,2,22))
            s.addConstraint(Sketcher.Constraint('PointOnObject',20,1,12))
            wp.extend(["LeftFrame","Frame","Wire2,Wire3",str(w2),str(o1+o2)])
            wp.extend(["LeftGlass","Glass panel","Wire3",str(w2/gla),str(o1+o2+w2/2)])
            wp.extend(["RightFrame","Frame","Wire4,Wire5",str(w2),str(o1+o2)])
            wp.extend(["RightGlass","Glass panel","Wire5",str(w2/gla),str(o1+o2+w2/2)])

        elif windowtype == "Sash 2-pane":
            wp = outerFrame(s,width,height,h1,w1,o1)
            p1 = Vector(h1+tol,h1+tol,0)
            p2 = Vector(width-(h1+tol),h1+tol,0)
            p3 = Vector(width-(h1+tol),(height/2)-tol,0)
            p4 = Vector(h1+tol,(height/2)-tol,0)
            p5 = Vector(h1+h2,h1+h2,0)
            p6 = Vector(width-(h1+h2),h1+h2,0)
            p7 = Vector(width-(h1+h2),(height/2)-h2,0)
            p8 = Vector(h1+h2,(height/2)-h2,0)
            addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8)
            p1 = Vector(h1+tol,(height/2)+tol,0)
            p2 = Vector(width-(h1+tol),(height/2)+tol,0)
            p3 = Vector(width-(h1+tol),height-(h1+tol),0)
            p4 = Vector(h1+tol,height-(h1+tol),0)
            p5 = Vector(h1+h2,(height/2)+h2,0)
            p6 = Vector(width-(h1+h2),(height/2)+h2,0)
            p7 = Vector(width-(h1+h2),height-(h1+h2),0)
            p8 = Vector(h1+h2,height-(h1+h2),0)
            addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8)
            s.addConstraint(Sketcher.Constraint('DistanceY',8,1,12,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',8,1,12,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',21,2,17,2,h2))
            s.addConstraint(Sketcher.Constraint('DistanceY',21,2,17,2,h2))
            s.addConstraint(Sketcher.Constraint('DistanceY',16,2,20,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceY',10,2,14,2,-h2))
            s.addConstraint(Sketcher.Constraint('Equal',23,15))
            s.addConstraint(Sketcher.Constraint('DistanceX',12,1,20,1,0.0))
            s.addConstraint(Sketcher.Constraint('DistanceX',13,2,20,2,0.0))
            s.addConstraint(Sketcher.Constraint('DistanceX',4,1,8,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',4,1,8,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceX',6,1,18,1,-tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',6,1,18,1,-tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',10,1,16,1,tol))
            s.addConstraint(Sketcher.Constraint('PointOnObject',9,2,17))
            s.addConstraint(Sketcher.Constraint('PointOnObject',16,1,11))
            wp.extend(["LowerFrame","Frame","Wire2,Wire3",str(w2),str(o1+o2+w2)])
            wp.extend(["LowerGlass","Glass panel","Wire3",str(w2/gla),str(o1+o2+w2+w2/2)])
            wp.extend(["UpperFrame","Frame","Wire4,Wire5",str(w2),str(o1+o2)])
            wp.extend(["UpperGlass","Glass panel","Wire5",str(w2/gla),str(o1+o2+w2/2)])

        elif windowtype == "Sliding 2-pane":
            wp = outerFrame(s,width,height,h1,w1,o1)
            p1 = Vector(h1+tol,h1+tol,0)
            p2 = Vector((width/2)-tol,h1+tol,0)
            p3 = Vector((width/2)-tol,height-(h1+tol),0)
            p4 = Vector(h1+tol,height-(h1+tol),0)
            p5 = Vector(h1+h2,h1+h2,0)
            p6 = Vector((width/2)-h2,h1+h2,0)
            p7 = Vector((width/2)-h2,height-(h1+h2),0)
            p8 = Vector(h1+h2,height-(h1+h2),0)
            addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8)
            p1 = Vector((width/2)+tol,h1+tol,0)
            p2 = Vector(width-(h1+tol),h1+tol,0)
            p3 = Vector(width-(h1+tol),height-(h1+tol),0)
            p4 = Vector((width/2)+tol,height-(h1+tol),0)
            p5 = Vector((width/2)+h2,h1+h2,0)
            p6 = Vector(width-(h1+h2),h1+h2,0)
            p7 = Vector(width-(h1+h2),height-(h1+h2),0)
            p8 = Vector((width/2)+h2,height-(h1+h2),0)
            addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8)
            s.addConstraint(Sketcher.Constraint('DistanceY',8,1,12,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',8,1,12,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',21,2,17,2,h2))
            s.addConstraint(Sketcher.Constraint('DistanceY',21,2,17,2,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',16,1,20,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',14,1,10,1,h2))
            s.addConstraint(Sketcher.Constraint('Equal',22,14))
            s.addConstraint(Sketcher.Constraint('DistanceY',8,2,16,1,0.0))
            s.addConstraint(Sketcher.Constraint('DistanceY',10,1,18,2,0.0))
            s.addConstraint(Sketcher.Constraint('DistanceX',4,1,8,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',4,1,8,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceX',6,1,18,1,-tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',6,1,18,1,-tol))
            s.addConstraint(Sketcher.Constraint('DistanceX',9,1,19,2,tol))
            s.addConstraint(Sketcher.Constraint('PointOnObject',13,2,22))
            s.addConstraint(Sketcher.Constraint('PointOnObject',12,2,20))
            wp.extend(["LeftFrame","Frame","Wire2,Wire3",str(w2),str(o1+o2)])
            wp.extend(["LeftGlass","Glass panel","Wire3",str(w2/gla),str(o1+o2+w2/2)])
            wp.extend(["RightFrame","Frame","Wire4,Wire5",str(w2),str(o1+o2+w2)])
            wp.extend(["RightGlass","Glass panel","Wire5",str(w2/gla),str(o1+o2+w2+w2/2)])

        elif windowtype == "Simple door":
            wp = doorFrame(s,width,height,h1,w1,o1)
            wp.extend(["Door","Solid panel","Wire1",str(w2),str(o1+o2)])

        elif windowtype == "Glass door":
            wp = doorFrame(s,width,height,h1,w1,o1)
            p1 = Vector(h1+tol,h1+tol,0)
            p2 = Vector(width-(h1+tol),h1+tol,0)
            p3 = Vector(width-(h1+tol),height-(h1+tol),0)
            p4 = Vector(h1+tol,height-(h1+tol),0)
            p5 = Vector(h1+h2,h1+h3,0)
            p6 = Vector(width-(h1+h2),h1+h3,0)
            p7 = Vector(width-(h1+h2),height-(h1+h2),0)
            p8 = Vector(h1+h2,height-(h1+h2),0)
            addFrame(s,p1,p2,p3,p4,p5,p6,p7,p8)
            s.addConstraint(Sketcher.Constraint('DistanceX',8,1,12,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceY',8,1,12,1,h3))
            s.addConstraint(Sketcher.Constraint('DistanceX',14,1,10,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceY',14,1,10,1,h2))
            s.addConstraint(Sketcher.Constraint('DistanceX',4,1,8,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',4,1,8,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceX',10,1,6,1,tol))
            s.addConstraint(Sketcher.Constraint('DistanceY',10,1,6,1,tol))
            wp.extend(["InnerFrame","Frame","Wire2,Wire3",str(w2),str(o1+o2)])
            wp.extend(["InnerGlass","Glass panel","Wire3",str(w2/gla),str(o1+o2+w2/2)])

        return (s,wp)

    if windowtype in WindowPresets:
        default = makeSketch(windowtype,width,height,h1,h2,h3,w1,w2,o1,o2)
        FreeCAD.ActiveDocument.recompute()
        if default:
            if placement:
                default[0].Placement = placement
                FreeCAD.ActiveDocument.recompute()
            obj = makeWindow(default[0],width,height,default[1])
            obj.Preset = WindowPresets.index(windowtype)+1
            if "door" in windowtype:
                obj.Role = "Door"
            FreeCAD.ActiveDocument.recompute()
            return obj

    print "Arch: Unknown window type"


class _CommandWindow:
    "the Arch Window command definition"

    def __init__(self):
        # hack for inputwidgets
        global setArchWindowParamFunction
        setArchWindowParamFunction = self.setParams

    def GetResources(self):
        return {'Pixmap'  : 'Arch_Window',
                'MenuText': QtCore.QT_TRANSLATE_NOOP("Arch_Window","Window"),
                'Accel': "W, N",
                'ToolTip': QtCore.QT_TRANSLATE_NOOP("Arch_Window","Creates a window object from a selected object (wire, rectangle or sketch)")}

    def IsActive(self):
        return not FreeCAD.ActiveDocument is None

    def Activated(self):
        sel = FreeCADGui.Selection.getSelection()
        p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
        self.Thickness = p.GetFloat("WindowThickness",50)
        self.Width = p.GetFloat("WindowWidth",1000)
        self.Height = p.GetFloat("WindowHeight",1000)
        self.Preset = 0
        self.Sill = 0
        self.baseFace = None
        self.wparams = ["Width","Height","H1","H2","H3","W1","W2","O1","O2"]
        self.DECIMALS = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Units").GetInt("Decimals",2)
        import DraftGui
        self.FORMAT = DraftGui.makeFormatSpec(self.DECIMALS,'Length')

        # auto mode
        if sel and FreeCADGui.Selection.getSelectionEx():
            obj = sel[0]
            if Draft.getType(obj) in AllowedHosts:
                # make sure only one face is selected
                sub = FreeCADGui.Selection.getSelectionEx()[0]
                if len(sub.SubElementNames) == 1:
                    if "Face" in sub.SubElementNames[0]:
                        FreeCADGui.activateWorkbench("SketcherWorkbench")
                        FreeCADGui.runCommand("Sketcher_NewSketch")
                        FreeCAD.ArchObserver = ArchComponent.ArchSelectionObserver(obj,FreeCAD.ActiveDocument.Objects[-1],hide=False,nextCommand="Arch_Window")
                        FreeCADGui.Selection.addObserver(FreeCAD.ArchObserver)
                        return

            elif obj.isDerivedFrom("Part::Part2DObject"):
                FreeCADGui.Control.closeDialog()
                host = None
                if hasattr(obj,"Support"):
                    if obj.Support:
                        if isinstance(obj.Support,tuple):
                            host = obj.Support[0]
                        else:
                            host = obj.Support
                        obj.Support = None # remove
                elif Draft.isClone(obj,"Window"):
                    if obj.Objects[0].Inlist:
                        host = obj.Objects[0].Inlist[0]

                FreeCAD.ActiveDocument.openTransaction(translate("Arch","Create Window"))
                FreeCADGui.addModule("Arch")
                FreeCADGui.doCommand("win = Arch.makeWindow(FreeCAD.ActiveDocument."+obj.Name+")")
                if host:
                    FreeCADGui.doCommand("Arch.removeComponents(win,host=FreeCAD.ActiveDocument."+host.Name+")")
                    siblings = host.Proxy.getSiblings(host)
                    for sibling in siblings:
                        FreeCADGui.doCommand("Arch.removeComponents(win,host=FreeCAD.ActiveDocument."+sibling.Name+")")
                FreeCAD.ActiveDocument.commitTransaction()
                FreeCAD.ActiveDocument.recompute()
                return

        # interactive mode
        if hasattr(FreeCAD,"DraftWorkingPlane"):
            FreeCAD.DraftWorkingPlane.setup()
        import DraftTrackers
        self.tracker = DraftTrackers.boxTracker()
        self.tracker.length(self.Width)
        self.tracker.width(self.Thickness)
        self.tracker.height(self.Height)
        self.tracker.on()
        FreeCAD.Console.PrintMessage(translate("Arch","Pick a face on an existing object or select a preset\n"))
        FreeCADGui.Snapper.getPoint(callback=self.getPoint,movecallback=self.update,extradlg=self.taskbox())
        #FreeCADGui.Snapper.setSelectMode(True)

    def getPoint(self,point=None,obj=None):
        "this function is called by the snapper when it has a 3D point"
        self.tracker.finalize()
        if point == None:
            return
        point = point.add(FreeCAD.Vector(0,0,self.Sill))
        # preset
        FreeCAD.ActiveDocument.openTransaction(translate("Arch","Create Window"))
        FreeCADGui.doCommand("import math,FreeCAD,Arch,WorkingPlane")
        if obj and (self.baseFace != None):
            FreeCADGui.doCommand("pl = WorkingPlane.getPlacementFromFace(FreeCAD.ActiveDocument." + obj.Name + ".Shape.Faces[" + str(self.baseFace) + "])")
        else:
            FreeCADGui.doCommand("m = FreeCAD.Matrix()")
            FreeCADGui.doCommand("m.rotateX(math.pi/2)")
            FreeCADGui.doCommand("pl = FreeCAD.Placement(m)")
        FreeCADGui.doCommand("pl.Base = FreeCAD.Vector(" + str(point.x) + "," + str(point.y) + ","+ str(point.z) + ")")
        wp = ""
        for p in self.wparams:
            wp += p.lower() + "=" + str(getattr(self,p)) + ","
        FreeCADGui.doCommand("win = Arch.makeWindowPreset(\"" + WindowPresets[self.Preset] + "\"," + wp + "placement=pl)")
        if obj:
            if Draft.getType(obj) in AllowedHosts:
                FreeCADGui.doCommand("Arch.removeComponents(win,host=FreeCAD.ActiveDocument."+obj.Name+")")
                siblings = obj.Proxy.getSiblings(obj)
                for sibling in siblings:
                    FreeCADGui.doCommand("Arch.removeComponents(win,host=FreeCAD.ActiveDocument."+sibling.Name+")")
        FreeCAD.ActiveDocument.commitTransaction()
        FreeCAD.ActiveDocument.recompute()
        return

    def update(self,point,info):
        "this function is called by the Snapper when the mouse is moved"
        delta = FreeCAD.Vector(self.Width/2,self.Thickness/2,self.Height/2)
        delta = delta.add(FreeCAD.Vector(0,0,self.Sill))
        rot = FreeCAD.Rotation()
        self.baseFace = None
        if info:
            if "Face" in info['Component']:
                import WorkingPlane
                o = FreeCAD.ActiveDocument.getObject(info['Object'])
                self.baseFace = int(info['Component'][4:])-1
                f = o.Shape.Faces[self.baseFace]
                p = WorkingPlane.getPlacementFromFace(f,rotated=True)
                if p:
                    rot = p.Rotation
                    delta = rot.multVec(FreeCAD.Vector(delta.x,-delta.y,-delta.z))
        self.tracker.pos(point.add(delta))
        self.tracker.setRotation(rot)

    def taskbox(self):
        "sets up a taskbox widget"
        w = QtGui.QWidget()
        ui = FreeCADGui.UiLoader()
        w.setWindowTitle(translate("Arch","Window options").decode("utf8"))
        grid = QtGui.QGridLayout(w)

        # sill height
        labels = QtGui.QLabel(translate("Arch","Sill height").decode("utf8"))
        values = ui.createWidget("Gui::InputField")
        grid.addWidget(labels,0,0,1,1)
        grid.addWidget(values,0,1,1,1)
        QtCore.QObject.connect(values,QtCore.SIGNAL("valueChanged(double)"),self.setSill)

        # presets box
        labelp = QtGui.QLabel(translate("Arch","Preset").decode("utf8"))
        valuep = QtGui.QComboBox()
        valuep.addItems(WindowPresets)
        valuep.setCurrentIndex(self.Preset)
        grid.addWidget(labelp,1,0,1,1)
        grid.addWidget(valuep,1,1,1,1)
        QtCore.QObject.connect(valuep,QtCore.SIGNAL("currentIndexChanged(int)"),self.setPreset)

        # image display
        self.im = QtSvg.QSvgWidget(":/ui/ParametersWindowFixed.svg")
        self.im.setMaximumWidth(200)
        self.im.setMinimumHeight(120)
        grid.addWidget(self.im,2,0,1,2)
        #self.im.hide()

        # parameters
        i = 3
        for param in self.wparams:
            lab = QtGui.QLabel(translate("Arch",param).decode("utf8"))
            setattr(self,"val"+param,ui.createWidget("Gui::InputField"))
            wid = getattr(self,"val"+param)
            if param == "Width":
                wid.setText(self.FORMAT % self.Width)
            elif param == "Height":
                wid.setText(self.FORMAT % self.Height)
            else:
                wid.setText(self.FORMAT % self.Thickness)
                setattr(self,param,self.Thickness)
            grid.addWidget(lab,i,0,1,1)
            grid.addWidget(wid,i,1,1,1)
            i += 1
            FreeCAD.wid = wid
            exec("""def valueChanged(d):
                setArchWindowParamFunction('"""+param+"""',d)""")
            QtCore.QObject.connect(getattr(self,"val"+param),QtCore.SIGNAL("valueChanged(double)"),valueChanged)
        return w

    def setSill(self,d):
        self.Sill = d

    def setParams(self,param,d):
        setattr(self,param,d)
        self.tracker.length(self.Width)
        self.tracker.height(self.Height)
        self.tracker.width(self.W1)

    def setPreset(self,i):
        self.Preset = i
        if i >= 0:
            FreeCADGui.Snapper.setSelectMode(False)
            self.tracker.length(self.Width)
            self.tracker.width(self.Thickness)
            self.tracker.height(self.Height)
            self.tracker.on()
            if i == 0:
                self.im.load(":/ui/ParametersWindowFixed.svg")
            elif i == 1:
                self.im.load(":/ui/ParametersWindowSimple.svg")
            elif i == 6:
                self.im.load(":/ui/ParametersDoorGlass.svg")
            elif i == 3:
                self.im.load(":/ui/ParametersWindowStash.svg")
            elif i == 5:
                self.im.load(":/ui/ParametersDoorSimple.svg")
            else:
                self.im.load(":/ui/ParametersWindowDouble.svg")
            self.im.show()
            #for param in self.wparams:
            #    getattr(self,"val"+param).setEnabled(True)
        else:
            FreeCADGui.Snapper.setSelectMode(True)
            self.tracker.off()
            self.im.hide()
            for param in self.wparams:
                getattr(self,"val"+param).setEnabled(False)


class _Window(ArchComponent.Component):
    "The Window object"
    def __init__(self,obj):
        ArchComponent.Component.__init__(self,obj)
        obj.addProperty("App::PropertyStringList","WindowParts","Arch",translate("Arch","the components of this window"))
        obj.addProperty("App::PropertyLength","HoleDepth","Arch",translate("Arch","The depth of the hole that this window makes in its host object. Keep 0 for automatic."))
        # the following line creates problem when restoring saved files (wrongly attributes it to the window shape). Disabling for now...
        #obj.addProperty("Part::PropertyPartShape","Subvolume","Arch",translate("Arch","an optional volume to be subtracted from hosts of this window"))
        obj.addProperty("App::PropertyLength","Width","Arch",translate("Arch","The width of this window (for preset windows only)"))
        obj.addProperty("App::PropertyLength","Height","Arch",translate("Arch","The height of this window (for preset windows only)"))
        obj.addProperty("App::PropertyVector","Normal","Arch",translate("Arch","The normal direction of this window"))
        obj.addProperty("App::PropertyInteger","Preset","Arch","")
        obj.setEditorMode("Preset",2)

        self.Type = "Window"
        obj.Role = Roles
        obj.Proxy = self
        obj.MoveWithHost = True

    def onChanged(self,obj,prop):
        self.hideSubobjects(obj,prop)
        if prop in ["Base","WindowParts"]:
            self.execute(obj)
        elif prop in ["HoleDepth"]:
            for o in obj.InList:
                if Draft.getType(o) in AllowedHosts:
                    o.Proxy.execute(o)
        elif prop in ["Width","Height"]:
            if obj.Preset != 0:
                if obj.Base:
                    try:
                        if prop == "Height":
                            obj.Base.setDatum(16,obj.Height.Value)
                        elif prop == "Width":
                            obj.Base.setDatum(17,obj.Width.Value)
                    except:
                        # restoring constraints when loading a file fails
                        # because of load order, but it doesn't harm...
                        pass
                    FreeCAD.ActiveDocument.recompute()


    def execute(self,obj):
        import Part, DraftGeomUtils
        pl = obj.Placement
        base = None
        if obj.Base:
            if obj.Base.isDerivedFrom("Part::Feature"):
                if hasattr(obj,"WindowParts"):
                    if obj.WindowParts and (len(obj.WindowParts)%5 == 0):
                        shapes = []
                        for i in range(len(obj.WindowParts)/5):
                            wires = []
                            wstr = obj.WindowParts[(i*5)+2].split(',')
                            for s in wstr:
                                j = int(s[4:])
                                if obj.Base.Shape.Wires:
                                    if len(obj.Base.Shape.Wires) >= j:
                                        wires.append(obj.Base.Shape.Wires[j])
                            if wires:
                                max_length = 0
                                for w in wires:
                                    if w.BoundBox.DiagonalLength > max_length:
                                        max_length = w.BoundBox.DiagonalLength
                                        ext = w
                                wires.remove(ext)
                                shape = Part.Face(ext)
                                norm = shape.normalAt(0,0)
                                if hasattr(obj,"Normal"):
                                    if obj.Normal:
                                        if not DraftVecUtils.isNull(obj.Normal):
                                            norm = obj.Normal
                                thk = float(obj.WindowParts[(i*5)+3])
                                if thk:
                                    exv = DraftVecUtils.scaleTo(norm,thk)
                                    shape = shape.extrude(exv)
                                    for w in wires:
                                        f = Part.Face(w)
                                        f = f.extrude(exv)
                                        shape = shape.cut(f)
                                if obj.WindowParts[(i*5)+4]:
                                    zof = float(obj.WindowParts[(i*5)+4])
                                    if zof:
                                        zov = DraftVecUtils.scaleTo(norm,zof)
                                        shape.translate(zov)
                                shapes.append(shape)
                        if shapes:
                            base = Part.makeCompound(shapes)
                    elif not obj.WindowParts:
                        if not obj.Base.Shape.isNull():
                            base = obj.Base.Shape.copy()
                            if not DraftGeomUtils.isNull(pl):
                                base.Placement = base.Placement.multiply(pl)
                    else:
                        print "Arch: Bad formatting of window parts definitions"

        base = self.processSubShapes(obj,base)
        if base:
            if not base.isNull():
                if base.Solids:
                    self.applyShape(obj,base,pl)

    def getSubVolume(self,obj,plac=None):
        "returns a subvolume for cutting in a base object"

        # check if we have a custom subvolume
        if hasattr(obj,"Subvolume"):
            if obj.Subvolume:
                if not obj.Subvolume.isNull():
                    return obj.Subvolume

        # getting extrusion depth
        base = None
        if obj.Base:
            base = obj.Base
        width = 0
        if hasattr(obj,"HoleDepth"):
            if obj.HoleDepth.Value:
                width = obj.HoleDepth.Value
        if not width:
            if base:
                b = base.Shape.BoundBox
                width = max(b.XLength,b.YLength,b.ZLength)
        if not width:
            if Draft.isClone(obj,"Window"):
                orig = obj.Objects[0]
                if orig.Base:
                    base = orig.Base
                if hasattr(orig,"HoleDepth"):
                    if orig.HoleDepth.Value:
                        width = orig.HoleDepth.Value
                if not width:
                    if base:
                        b = base.Shape.BoundBox
                        width = max(b.XLength,b.YLength,b.ZLength)
        if not width:
            width = 1.1112 # some weird value to have little chance to overlap with an existing face
        if not base:
            return None

        # finding biggest wire in the base shape
        max_length = 0
        f = None
        for w in base.Shape.Wires:
            if w.BoundBox.DiagonalLength > max_length:
                max_length = w.BoundBox.DiagonalLength
                f = w
        if f:
            import Part
            f = Part.Face(f)
            norm = f.normalAt(0,0)
            if hasattr(obj,"Normal"):
                if obj.Normal:
                    if not DraftVecUtils.isNull(obj.Normal):
                        norm = obj.Normal
            v1 = DraftVecUtils.scaleTo(norm,width)
            f.translate(v1)
            v2 = v1.negative()
            v2 = Vector(v1).multiply(-2)
            f = f.extrude(v2)
            if plac:
                f.Placement = plac
            else:
                f.Placement = obj.Placement
            return f
        return None

class _ViewProviderWindow(ArchComponent.ViewProviderComponent):
    "A View Provider for the Window object"

    def __init__(self,vobj):
        ArchComponent.ViewProviderComponent.__init__(self,vobj)

    def getIcon(self):
        import Arch_rc
        return ":/icons/Arch_Window_Tree.svg"

    def updateData(self,obj,prop):
        if (prop in ["WindowParts","Shape"]):
            if obj.Shape:
                if not obj.Shape.isNull():
                    self.colorize(obj)

    def onChanged(self,vobj,prop):
        if (prop == "DiffuseColor") and vobj.Object:
            if len(vobj.DiffuseColor) < 2:
                if vobj.Object.Shape:
                    if not vobj.Object.Shape.isNull():
                        self.colorize(vobj.Object)

    def setEdit(self,vobj,mode):
        taskd = _ArchWindowTaskPanel()
        taskd.obj = self.Object
        self.sets = [vobj.DisplayMode,vobj.Transparency]
        vobj.DisplayMode = "Shaded"
        vobj.Transparency = 80
        if self.Object.Base:
            self.Object.Base.ViewObject.show()
        taskd.update()
        FreeCADGui.Control.showDialog(taskd)
        return True

    def unsetEdit(self,vobj,mode):
        vobj.DisplayMode = self.sets[0]
        vobj.Transparency = self.sets[1]
        if self.Object.Base:
            self.Object.Base.ViewObject.hide()
        FreeCADGui.Control.closeDialog()
        return

    def colorize(self,obj):
        "setting different part colors"
        solids = obj.Shape.copy().Solids
        #print "Colorizing ", solids
        colors = []
        base = obj.ViewObject.ShapeColor
        for i in range(len(solids)):
            ccol = base
            typeidx = (i*5)+1
            if typeidx < len(obj.WindowParts):
                typ = obj.WindowParts[typeidx]
                if typ == WindowPartTypes[2]: # transparent parts
                    ccol = ArchCommands.getDefaultColor("WindowGlass")
            for f in solids[i].Faces:
                colors.append(ccol)
        #print "colors: ",colors
        if colors:
            obj.ViewObject.DiffuseColor = colors

class _ArchWindowTaskPanel:
    '''The TaskPanel for Arch Windows'''
    def __init__(self):

        self.obj = None
        self.DECIMALS = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Units").GetInt("Decimals",2)
        import DraftGui
        self.FORMAT = DraftGui.makeFormatSpec(self.DECIMALS,'Length')
        self.form = QtGui.QWidget()
        self.form.setObjectName("TaskPanel")
        self.grid = QtGui.QGridLayout(self.form)
        self.grid.setObjectName("grid")
        self.title = QtGui.QLabel(self.form)
        self.grid.addWidget(self.title, 0, 0, 1, 7)

        # trees
        self.tree = QtGui.QTreeWidget(self.form)
        self.grid.addWidget(self.tree, 1, 0, 1, 7)
        self.tree.setColumnCount(1)
        self.tree.setMaximumSize(QtCore.QSize(500,24))
        self.tree.header().hide()

        self.wiretree = QtGui.QTreeWidget(self.form)
        self.grid.addWidget(self.wiretree, 2, 0, 1, 3)
        self.wiretree.setColumnCount(1)
        self.wiretree.setSelectionMode(QtGui.QAbstractItemView.MultiSelection)

        self.comptree = QtGui.QTreeWidget(self.form)
        self.grid.addWidget(self.comptree, 2, 4, 1, 3)
        self.comptree.setColumnCount(1)

        # buttons
        self.addButton = QtGui.QPushButton(self.form)
        self.addButton.setObjectName("addButton")
        self.addButton.setIcon(QtGui.QIcon(":/icons/Arch_Add.svg"))
        self.grid.addWidget(self.addButton, 3, 0, 1, 1)
        self.addButton.setMaximumSize(QtCore.QSize(70,40))

        self.editButton = QtGui.QPushButton(self.form)
        self.editButton.setObjectName("editButton")
        self.editButton.setIcon(QtGui.QIcon(":/icons/Draft_Edit.svg"))
        self.grid.addWidget(self.editButton, 3, 2, 1, 3)
        self.editButton.setMaximumSize(QtCore.QSize(60,40))
        self.editButton.setEnabled(False)

        self.delButton = QtGui.QPushButton(self.form)
        self.delButton.setObjectName("delButton")
        self.delButton.setIcon(QtGui.QIcon(":/icons/Arch_Remove.svg"))
        self.grid.addWidget(self.delButton, 3, 6, 1, 1)
        self.delButton.setMaximumSize(QtCore.QSize(70,40))
        self.delButton.setEnabled(False)

        # add new

        ui = FreeCADGui.UiLoader()
        self.newtitle = QtGui.QLabel(self.form)
        self.new1 = QtGui.QLabel(self.form)
        self.new2 = QtGui.QLabel(self.form)
        self.new3 = QtGui.QLabel(self.form)
        self.new4 = QtGui.QLabel(self.form)
        self.new5 = QtGui.QLabel(self.form)
        self.field1 = QtGui.QLineEdit(self.form)
        self.field2 = QtGui.QComboBox(self.form)
        self.field3 = QtGui.QLineEdit(self.form)
        self.field4 = ui.createWidget("Gui::InputField")
        self.field5 = ui.createWidget("Gui::InputField")
        self.createButton = QtGui.QPushButton(self.form)
        self.createButton.setObjectName("createButton")
        self.createButton.setIcon(QtGui.QIcon(":/icons/Arch_Add.svg"))
        self.grid.addWidget(self.newtitle, 6, 0, 1, 7)
        self.grid.addWidget(self.new1, 7, 0, 1, 1)
        self.grid.addWidget(self.field1, 7, 2, 1, 5)
        self.grid.addWidget(self.new2, 8, 0, 1, 1)
        self.grid.addWidget(self.field2, 8, 2, 1, 5)
        self.grid.addWidget(self.new3, 9, 0, 1, 1)
        self.grid.addWidget(self.field3, 9, 2, 1, 5)
        self.grid.addWidget(self.new4, 10, 0, 1, 1)
        self.grid.addWidget(self.field4, 10, 2, 1, 5)
        self.grid.addWidget(self.new5, 11, 0, 1, 1)
        self.grid.addWidget(self.field5, 11, 2, 1, 5)
        self.grid.addWidget(self.createButton, 12, 0, 1, 7)
        self.newtitle.setVisible(False)
        self.new1.setVisible(False)
        self.new2.setVisible(False)
        self.new3.setVisible(False)
        self.new4.setVisible(False)
        self.new5.setVisible(False)
        self.field1.setVisible(False)
        self.field2.setVisible(False)
        for t in WindowPartTypes:
            self.field2.addItem("")
        self.field3.setVisible(False)
        self.field3.setReadOnly(True)
        self.field4.setVisible(False)
        self.field5.setVisible(False)
        self.createButton.setVisible(False)

        QtCore.QObject.connect(self.addButton, QtCore.SIGNAL("clicked()"), self.addElement)
        QtCore.QObject.connect(self.delButton, QtCore.SIGNAL("clicked()"), self.removeElement)
        QtCore.QObject.connect(self.editButton, QtCore.SIGNAL("clicked()"), self.editElement)
        QtCore.QObject.connect(self.createButton, QtCore.SIGNAL("clicked()"), self.create)
        QtCore.QObject.connect(self.comptree, QtCore.SIGNAL("itemClicked(QTreeWidgetItem*,int)"), self.check)
        QtCore.QObject.connect(self.wiretree, QtCore.SIGNAL("itemClicked(QTreeWidgetItem*,int)"), self.select)
        self.update()

        FreeCADGui.Selection.clearSelection()

    def isAllowedAlterSelection(self):
        return True

    def isAllowedAlterView(self):
        return True

    def getStandardButtons(self):
        return int(QtGui.QDialogButtonBox.Close)

    def check(self,wid,col):
        self.editButton.setEnabled(True)
        self.delButton.setEnabled(True)

    def select(self,wid,col):
        FreeCADGui.Selection.clearSelection()
        ws = ''
        for it in self.wiretree.selectedItems():
            if ws: ws += ","
            ws += str(it.text(0))
            w = int(str(it.text(0)[4:]))
            if self.obj:
                if self.obj.Base:
                    edges = self.obj.Base.Shape.Wires[w].Edges
                    for e in edges:
                        for i in range(len(self.obj.Base.Shape.Edges)):
                            if e.hashCode() == self.obj.Base.Shape.Edges[i].hashCode():
                                FreeCADGui.Selection.addSelection(self.obj.Base,"Edge"+str(i+1))
        self.field3.setText(ws)

    def getIcon(self,obj):
        if hasattr(obj.ViewObject,"Proxy"):
            return QtGui.QIcon(obj.ViewObject.Proxy.getIcon())
        elif obj.isDerivedFrom("Sketcher::SketchObject"):
            return QtGui.QIcon(":/icons/Sketcher_Sketch.svg")
        else:
            return QtGui.QIcon(":/icons/Tree_Part.svg")

    def update(self):
        'fills the tree widgets'
        self.tree.clear()
        self.wiretree.clear()
        self.comptree.clear()
        if self.obj:
            if self.obj.Base:
                item = QtGui.QTreeWidgetItem(self.tree)
                item.setText(0,self.obj.Base.Name)
                item.setIcon(0,self.getIcon(self.obj.Base))
                if self.obj.Base.isDerivedFrom("Part::Feature"):
                    i = 0
                    for w in self.obj.Base.Shape.Wires:
                        if w.isClosed():
                            item = QtGui.QTreeWidgetItem(self.wiretree)
                            item.setText(0,"Wire" + str(i))
                            item.setIcon(0,QtGui.QIcon(":/icons/Draft_Draft.svg"))
                        i += 1
                if self.obj.WindowParts:
                    for p in range(0,len(self.obj.WindowParts),5):
                        item = QtGui.QTreeWidgetItem(self.comptree)
                        item.setText(0,self.obj.WindowParts[p])
                        item.setIcon(0,QtGui.QIcon(":/icons/Tree_Part.svg"))
                self.retranslateUi(self.form)

    def addElement(self):
        'opens the component creation dialog'
        self.field1.setText('')
        self.field3.setText('')
        self.field4.setText('')
        self.field5.setText('')
        self.newtitle.setVisible(True)
        self.new1.setVisible(True)
        self.new2.setVisible(True)
        self.new3.setVisible(True)
        self.new4.setVisible(True)
        self.new5.setVisible(True)
        self.field1.setVisible(True)
        self.field2.setVisible(True)
        self.field3.setVisible(True)
        self.field4.setVisible(True)
        self.field5.setVisible(True)
        self.createButton.setVisible(True)
        self.addButton.setEnabled(False)
        self.editButton.setEnabled(False)
        self.delButton.setEnabled(False)

    def removeElement(self):
        for it in self.comptree.selectedItems():
            comp = str(it.text(0))
            if self.obj:
                p = self.obj.WindowParts
                if comp in self.obj.WindowParts:
                    ind = self.obj.WindowParts.index(comp)
                    for i in range(5):
                        p.pop(ind)
                    self.obj.WindowParts = p
                    self.update()
                    self.editButton.setEnabled(False)
                    self.delButton.setEnabled(False)

    def editElement(self):
        for it in self.comptree.selectedItems():
            self.addElement()
            comp = str(it.text(0))
            if self.obj:
                if comp in self.obj.WindowParts:
                    ind = self.obj.WindowParts.index(comp)
                    for i in range(5):
                        f = getattr(self,"field"+str(i+1))
                        t = self.obj.WindowParts[ind+i]
                        if i == 1:
                            # special behaviour for types
                            if t in WindowPartTypes:
                                f.setCurrentIndex(WindowPartTypes.index(t))
                            else:
                                f.setCurrentIndex(0)
                        elif i in [3,4]:
                            f.setProperty("text",self.FORMAT % float(t))
                        else:
                            f.setText(t)

    def create(self):
        'adds a new component'
        # testing if fields are ok
        ok = True
        ar = []
        for i in range(5):
            if i == 1:
                n = getattr(self,"field"+str(i+1)).currentIndex()
                if n in range(len(WindowPartTypes)):
                    t = WindowPartTypes[n]
                else:
                    # if type was not specified or is invalid, we set a default
                    t = WindowPartTypes[0]
            else:
                t = str(getattr(self,"field"+str(i+1)).property("text"))
                if t in WindowPartTypes:
                    t = t + "_" # avoiding part names similar to types
            if t == "":
                if not(i in [1,5]):
                    ok = False
            else:
                if i > 2:
                    try:
                        q = FreeCAD.Units.Quantity(t)
                        t = str(q.Value)
                    except (ValueError,TypeError):
                        ok = False
            ar.append(t)

        if ok:
            if self.obj:
                parts = self.obj.WindowParts
                if ar[0] in parts:
                    b = parts.index(ar[0])
                    for i in range(5):
                        parts[b+i] = ar[i]
                else:
                    parts.extend(ar)
                self.obj.WindowParts = parts
                self.update()
        else:
            FreeCAD.Console.PrintWarning(translate("Arch", "Unable to create component\n"))

        self.newtitle.setVisible(False)
        self.new1.setVisible(False)
        self.new2.setVisible(False)
        self.new3.setVisible(False)
        self.new4.setVisible(False)
        self.new5.setVisible(False)
        self.field1.setVisible(False)
        self.field2.setVisible(False)
        self.field3.setVisible(False)
        self.field4.setVisible(False)
        self.field5.setVisible(False)
        self.createButton.setVisible(False)
        self.addButton.setEnabled(True)

    def reject(self):
        FreeCAD.ActiveDocument.recompute()
        FreeCADGui.ActiveDocument.resetEdit()
        return True

    def retranslateUi(self, TaskPanel):
        TaskPanel.setWindowTitle(QtGui.QApplication.translate("Arch", "Components", None, QtGui.QApplication.UnicodeUTF8))
        self.delButton.setText(QtGui.QApplication.translate("Arch", "Remove", None, QtGui.QApplication.UnicodeUTF8))
        self.addButton.setText(QtGui.QApplication.translate("Arch", "Add", None, QtGui.QApplication.UnicodeUTF8))
        self.editButton.setText(QtGui.QApplication.translate("Arch", "Edit", None, QtGui.QApplication.UnicodeUTF8))
        self.createButton.setText(QtGui.QApplication.translate("Arch", "Create/update component", None, QtGui.QApplication.UnicodeUTF8))
        self.title.setText(QtGui.QApplication.translate("Arch", "Base 2D object", None, QtGui.QApplication.UnicodeUTF8))
        self.wiretree.setHeaderLabels([QtGui.QApplication.translate("Arch", "Wires", None, QtGui.QApplication.UnicodeUTF8)])
        self.comptree.setHeaderLabels([QtGui.QApplication.translate("Arch", "Components", None, QtGui.QApplication.UnicodeUTF8)])
        self.newtitle.setText(QtGui.QApplication.translate("Arch", "Create new component", None, QtGui.QApplication.UnicodeUTF8))
        self.new1.setText(QtGui.QApplication.translate("Arch", "Name", None, QtGui.QApplication.UnicodeUTF8))
        self.new2.setText(QtGui.QApplication.translate("Arch", "Type", None, QtGui.QApplication.UnicodeUTF8))
        self.new3.setText(QtGui.QApplication.translate("Arch", "Wires", None, QtGui.QApplication.UnicodeUTF8))
        self.new4.setText(QtGui.QApplication.translate("Arch", "Thickness", None, QtGui.QApplication.UnicodeUTF8))
        self.new5.setText(QtGui.QApplication.translate("Arch", "Z offset", None, QtGui.QApplication.UnicodeUTF8))
        for i in range(len(WindowPartTypes)):
            self.field2.setItemText(i, QtGui.QApplication.translate("Arch", WindowPartTypes[i], None, QtGui.QApplication.UnicodeUTF8))

if FreeCAD.GuiUp:
    FreeCADGui.addCommand('Arch_Window',_CommandWindow())
