ui.py

    def poll(cls, context):
        engine = context.scene.render.engine
        mat=context.material
        ob = context.object
        return mat and mat.type == "SURFACE" and (engine in cls.COMPAT_ENGINES) and not (mat.pov.material_use_nodes or mat.use_nodes)


    def draw_header(self, context):
        mat = context.material
        if mat.pov.caustics_enable:
            self.layout.prop(mat.pov, "caustics_enable", text="", icon="PMARKER_SEL" )
        else:
            self.layout.prop(mat.pov, "caustics_enable", text="", icon="PMARKER" )
    def draw(self, context):

        layout = self.layout

        mat = context.material
        layout.active = mat.pov.caustics_enable
        col = layout.column()
        if mat.pov.caustics_enable:
            col.prop(mat.pov, "refraction_caustics")
            if mat.pov.refraction_caustics:

                col.prop(mat.pov, "refraction_type", text="")

                if mat.pov.refraction_type == "1":
                    col.prop(mat.pov, "fake_caustics_power", slider=True)
                elif mat.pov.refraction_type == "2":
                    col.prop(mat.pov, "photons_dispersion", slider=True)
                    col.prop(mat.pov, "photons_dispersion_samples", slider=True)
            col.prop(mat.pov, "photons_reflection")

            if not mat.pov.refraction_caustics and not mat.pov.photons_reflection:
                col = layout.column()
                col.alignment = 'CENTER'
                col.label(text="Caustics override is on, ")
                col.label(text="but you didn't chose any !")


class MATERIAL_PT_povray_replacement_text(MaterialButtonsPanel, bpy.types.Panel):
    bl_label = "Custom POV Code"
    COMPAT_ENGINES = {'POVRAY_RENDER'}


    def draw(self, context):
        layout = self.layout

        mat = context.material

        col = layout.column()
        col.label(text="Replace properties with:")
        col.prop(mat.pov, "replacement_text", text="")

class TEXTURE_PT_povray_type(TextureButtonsPanel, bpy.types.Panel):
    bl_label = "POV-ray Textures"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    bl_options = {'HIDE_HEADER'}

    def draw(self, context):
        layout = self.layout

        tex = context.texture

        split = layout.split(percentage=0.2)
        split.label(text="POV:")
        split.prop(tex.pov, "tex_pattern_type", text="")

class TEXTURE_PT_povray_preview(TextureButtonsPanel, bpy.types.Panel):
    bl_label = "Preview"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    bl_options = {'HIDE_HEADER'}

    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        if not hasattr(context, "texture_slot"):
            return False
        tex=context.texture
        mat=context.material
        return (tex and (tex.pov.tex_pattern_type != 'emulator') and (engine in cls.COMPAT_ENGINES))

    def draw(self, context):
        tex = context.texture
        slot = getattr(context, "texture_slot", None)
        idblock = context_tex_datablock(context)
        layout = self.layout
        # if idblock:
            # layout.template_preview(tex, parent=idblock, slot=slot)
        if tex.pov.tex_pattern_type != 'emulator':
            layout.operator("tex.preview_update")
        else:
            layout.template_preview(tex, slot=slot)


class TEXTURE_PT_povray_parameters(TextureButtonsPanel, bpy.types.Panel):
    bl_label = "POV-ray Pattern Options"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    def draw(self, context):
        mat = context.material
        layout = self.layout
        tex = context.texture
        align=True
        if tex is not None and tex.pov.tex_pattern_type != 'emulator':
            if tex.pov.tex_pattern_type == 'agate':
                layout.prop(tex.pov, "modifier_turbulence", text="Agate Turbulence")
            if tex.pov.tex_pattern_type in {'spiral1', 'spiral2'}:
                layout.prop(tex.pov, "modifier_numbers", text="Number of arms")
            if tex.pov.tex_pattern_type == 'tiling':
                layout.prop(tex.pov, "modifier_numbers", text="Pattern number")
            if tex.pov.tex_pattern_type == 'magnet':
                layout.prop(tex.pov, "magnet_style", text="Magnet style")
            if tex.pov.tex_pattern_type == 'quilted':
                row = layout.row(align=align)
                row.prop(tex.pov, "modifier_control0", text="Control0")
                row.prop(tex.pov, "modifier_control1", text="Control1")
            if tex.pov.tex_pattern_type == 'brick':
                col = layout.column(align=align)
                row = col.row()
                row.prop(tex.pov, "brick_size_x", text="Brick size X")
                row.prop(tex.pov, "brick_size_y", text="Brick size Y")
                row=col.row()
                row.prop(tex.pov, "brick_size_z", text="Brick size Z")
                row.prop(tex.pov, "brick_mortar", text="Brick mortar")
            if tex.pov.tex_pattern_type in {'julia','mandel','magnet'}:
                col = layout.column(align=align)
                if tex.pov.tex_pattern_type == 'julia':
                    row = col.row()
                    row.prop(tex.pov, "julia_complex_1", text="Complex 1")
                    row.prop(tex.pov, "julia_complex_2", text="Complex 2")
                if tex.pov.tex_pattern_type == 'magnet' and tex.pov.magnet_style == 'julia':
                    row = col.row()
                    row.prop(tex.pov, "julia_complex_1", text="Complex 1")
                    row.prop(tex.pov, "julia_complex_2", text="Complex 2")
                row=col.row()
                if tex.pov.tex_pattern_type in {'julia','mandel'}:
                    row.prop(tex.pov, "f_exponent", text="Exponent")
                if tex.pov.tex_pattern_type == 'magnet':
                    row.prop(tex.pov, "magnet_type", text="Type")
                row.prop(tex.pov, "f_iter", text="Iterations")
                row=col.row()
                row.prop(tex.pov, "f_ior", text="Interior")
                row.prop(tex.pov, "f_ior_fac", text="Factor I")
                row=col.row()
                row.prop(tex.pov, "f_eor", text="Exterior")
                row.prop(tex.pov, "f_eor_fac", text="Factor E")
            if tex.pov.tex_pattern_type == 'gradient':
                layout.label(text="Gradient orientation:")
                column_flow = layout.column_flow(columns=3, align=True)
                column_flow.prop(tex.pov, "grad_orient_x", text="X")
                column_flow.prop(tex.pov, "grad_orient_y", text="Y")
                column_flow.prop(tex.pov, "grad_orient_z", text="Z")
            if tex.pov.tex_pattern_type == 'pavement':
                layout.prop(tex.pov, "pave_sides", text="Pavement:number of sides")
                col = layout.column(align=align)
                column_flow = col.column_flow(columns=3, align=True)
                column_flow.prop(tex.pov, "pave_tiles", text="Tiles")
                if tex.pov.pave_sides == '4' and tex.pov.pave_tiles == 6:
                    column_flow.prop(tex.pov, "pave_pat_35", text="Pattern")
                if tex.pov.pave_sides == '6' and tex.pov.pave_tiles == 5:
                    column_flow.prop(tex.pov, "pave_pat_22", text="Pattern")
                if tex.pov.pave_sides == '4' and tex.pov.pave_tiles == 5:
                    column_flow.prop(tex.pov, "pave_pat_12", text="Pattern")
                if tex.pov.pave_sides == '3' and tex.pov.pave_tiles == 6:
                    column_flow.prop(tex.pov, "pave_pat_12", text="Pattern")
                if tex.pov.pave_sides == '6' and tex.pov.pave_tiles == 4:
                    column_flow.prop(tex.pov, "pave_pat_7", text="Pattern")
                if tex.pov.pave_sides == '4' and tex.pov.pave_tiles == 4:
                    column_flow.prop(tex.pov, "pave_pat_5", text="Pattern")
                if tex.pov.pave_sides == '3' and tex.pov.pave_tiles == 5:
                    column_flow.prop(tex.pov, "pave_pat_4", text="Pattern")
                if tex.pov.pave_sides == '6' and tex.pov.pave_tiles == 3:
                    column_flow.prop(tex.pov, "pave_pat_3", text="Pattern")
                if tex.pov.pave_sides == '3' and tex.pov.pave_tiles == 4:
                    column_flow.prop(tex.pov, "pave_pat_3", text="Pattern")
                if tex.pov.pave_sides == '4' and tex.pov.pave_tiles == 3:
                    column_flow.prop(tex.pov, "pave_pat_2", text="Pattern")
                if tex.pov.pave_sides == '6' and tex.pov.pave_tiles == 6:
                    column_flow.label(text="!!! 5 tiles!")
                column_flow.prop(tex.pov, "pave_form", text="Form")
            if tex.pov.tex_pattern_type == 'function':
                layout.prop(tex.pov, "func_list", text="Functions")
            if tex.pov.tex_pattern_type == 'function' and tex.pov.func_list != "NONE":
                func = None
                if tex.pov.func_list in {"f_noise3d", "f_ph", "f_r", "f_th"}:
                    func = 0
                if tex.pov.func_list in {"f_comma","f_crossed_trough","f_cubic_saddle",
                                         "f_cushion","f_devils_curve","f_enneper","f_glob",
                                         "f_heart","f_hex_x","f_hex_y","f_hunt_surface",
                                         "f_klein_bottle","f_kummer_surface_v1",
                                         "f_lemniscate_of_gerono","f_mitre","f_nodal_cubic",
                                         "f_noise_generator","f_odd","f_paraboloid","f_pillow",
                                         "f_piriform","f_quantum","f_quartic_paraboloid",
                                         "f_quartic_saddle","f_sphere","f_steiners_roman",
                                         "f_torus_gumdrop","f_umbrella"}:
                    func = 1
                if tex.pov.func_list in {"f_bicorn","f_bifolia","f_boy_surface","f_superellipsoid",
                                         "f_torus"}:
                    func = 2
                if tex.pov.func_list in {"f_ellipsoid","f_folium_surface","f_hyperbolic_torus",
                                         "f_kampyle_of_eudoxus","f_parabolic_torus",
                                         "f_quartic_cylinder","f_torus2"}:
                    func = 3
                if tex.pov.func_list in {"f_blob2","f_cross_ellipsoids","f_flange_cover",
                                         "f_isect_ellipsoids","f_kummer_surface_v2",
                                         "f_ovals_of_cassini","f_rounded_box","f_spikes_2d",
                                         "f_strophoid"}:
                    func = 4
                if tex.pov.func_list in {"f_algbr_cyl1","f_algbr_cyl2","f_algbr_cyl3",
                                         "f_algbr_cyl4","f_blob","f_mesh1","f_poly4","f_spikes"}:
                    func = 5
                if tex.pov.func_list in {"f_devils_curve_2d","f_dupin_cyclid",
                                         "f_folium_surface_2d","f_hetero_mf",
                                         "f_kampyle_of_eudoxus_2d","f_lemniscate_of_gerono_2d",
                                         "f_polytubes","f_ridge","f_ridged_mf","f_spiral",
                                         "f_witch_of_agnesi"}:
                    func = 6
                if tex.pov.func_list in {"f_helix1","f_helix2","f_piriform_2d","f_strophoid_2d"}:
                    func = 7
                if tex.pov.func_list == "f_helical_torus":
                    func = 8
                column_flow = layout.column_flow(columns=3, align=True)
                column_flow.label(text="X")
                column_flow.prop(tex.pov, "func_plus_x", text="")
                column_flow.prop(tex.pov, "func_x", text="Value")
                column_flow = layout.column_flow(columns=3, align=True)
                column_flow.label(text="Y")
                column_flow.prop(tex.pov, "func_plus_y", text="")
                column_flow.prop(tex.pov, "func_y", text="Value")
                column_flow = layout.column_flow(columns=3, align=True)
                column_flow.label(text="Z")
                column_flow.prop(tex.pov, "func_plus_z", text="")
                column_flow.prop(tex.pov, "func_z", text="Value")
                row=layout.row(align=align)
                if func > 0:
                    row.prop(tex.pov, "func_P0", text="P0")
                if func > 1:
                    row.prop(tex.pov, "func_P1", text="P1")
                row=layout.row(align=align)
                if func > 2:
                    row.prop(tex.pov, "func_P2", text="P2")
                if func > 3:
                    row.prop(tex.pov, "func_P3", text="P3")
                row=layout.row(align=align)
                if func > 4:
                    row.prop(tex.pov, "func_P4", text="P4")
                if func > 5:
                    row.prop(tex.pov, "func_P5", text="P5")
                row=layout.row(align=align)
                if func > 6:
                    row.prop(tex.pov, "func_P6", text="P6")
                if func > 7:
                    row.prop(tex.pov, "func_P7", text="P7")
                    row=layout.row(align=align)
                    row.prop(tex.pov, "func_P8", text="P8")
                    row.prop(tex.pov, "func_P9", text="P9")
        ###################################################End Patterns############################


            layout.prop(tex.pov, "warp_types", text="Warp types") #warp
            if tex.pov.warp_types == "TOROIDAL":
                layout.prop(tex.pov, "warp_tor_major_radius", text="Major radius")
            if tex.pov.warp_types not in {"CUBIC","NONE"}:
                layout.prop(tex.pov, "warp_orientation", text="Warp orientation")
            col = layout.column(align=align)
            row = col.row()
            row.prop(tex.pov, "warp_dist_exp", text="Distance exponent")
            row = col.row()
            row.prop(tex.pov, "modifier_frequency", text="Frequency")
            row.prop(tex.pov, "modifier_phase", text="Phase")

            row=layout.row()

            row.label(text="Offset:")
            row.label(text="Scale:")
            row.label(text="Rotate:")
            col=layout.column(align=align)
            row=col.row()
            row.prop(tex.pov, "tex_mov_x", text="X")
            row.prop(tex.pov, "tex_scale_x", text="X")
            row.prop(tex.pov, "tex_rot_x", text="X")
            row=col.row()
            row.prop(tex.pov, "tex_mov_y", text="Y")
            row.prop(tex.pov, "tex_scale_y", text="Y")
            row.prop(tex.pov, "tex_rot_y", text="Y")
            row=col.row()
            row.prop(tex.pov, "tex_mov_z", text="Z")
            row.prop(tex.pov, "tex_scale_z", text="Z")
            row.prop(tex.pov, "tex_rot_z", text="Z")
            row=layout.row()

            row.label(text="Turbulence:")
            col=layout.column(align=align)
            row=col.row()
            row.prop(tex.pov, "warp_turbulence_x", text="X")
            row.prop(tex.pov, "modifier_octaves", text="Octaves")
            row=col.row()
            row.prop(tex.pov, "warp_turbulence_y", text="Y")
            row.prop(tex.pov, "modifier_lambda", text="Lambda")
            row=col.row()
            row.prop(tex.pov, "warp_turbulence_z", text="Z")
            row.prop(tex.pov, "modifier_omega", text="Omega")

class TEXTURE_PT_povray_tex_gamma(TextureButtonsPanel, bpy.types.Panel):
    bl_label = "Image Gamma"
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    def draw_header(self, context):
        tex = context.texture

        self.layout.prop(tex.pov, "tex_gamma_enable", text="", icon='SEQ_LUMA_WAVEFORM')

    def draw(self, context):
        layout = self.layout

        tex = context.texture

        layout.active = tex.pov.tex_gamma_enable
        layout.prop(tex.pov, "tex_gamma_value", text="Gamma Value")

#commented out below UI for texture only custom code inside exported material:
# class TEXTURE_PT_povray_replacement_text(TextureButtonsPanel, bpy.types.Panel):
    # bl_label = "Custom POV Code"
    # COMPAT_ENGINES = {'POVRAY_RENDER'}

    # def draw(self, context):
        # layout = self.layout

        # tex = context.texture

        # col = layout.column()
        # col.label(text="Replace properties with:")
        # col.prop(tex.pov, "replacement_text", text="")


class OBJECT_PT_povray_obj_parameters(ObjectButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    
    @classmethod
    def poll(cls, context):

        engine = context.scene.render.engine
        return (engine in cls.COMPAT_ENGINES)

    def draw(self, context):
        layout = self.layout

        obj = context.object

        split = layout.split()

        col = split.column(align=True)

        col.label(text="Radiosity:")
        col.prop(obj.pov, "importance_value", text="Importance")
        col.label(text="Photons:")
        col.prop(obj.pov, "collect_photons", text="Receive Photon Caustics")
        if obj.pov.collect_photons:
            col.prop(obj.pov, "spacing_multiplier", text="Photons Spacing Multiplier")
            
        split = layout.split()

        col = split.column()
        col.prop(obj.pov,"hollow")
        col.prop(obj.pov,"double_illuminate")

     
        if obj.type == 'META' or obj.pov.curveshape == 'lathe':
        #if obj.pov.curveshape == 'sor'
            col.prop(obj.pov,"sturm")
        col.prop(obj.pov,"no_shadow")
        col.prop(obj.pov,"no_image")
        col.prop(obj.pov,"no_reflection")
        col.prop(obj.pov,"no_radiosity")
        col.prop(obj.pov,"inverse")
        col.prop(obj.pov,"hierarchy")
        # col.prop(obj.pov,"boundorclip",text="Bound / Clip")
        # if obj.pov.boundorclip != "none":
            # col.prop_search(obj.pov,"boundorclipob",context.blend_data,"objects",text="Object")
            # text = "Clipped by"
            # if obj.pov.boundorclip == "clipped_by":
                # text = "Bounded by"
            # col.prop(obj.pov,"addboundorclip",text=text)

class OBJECT_PT_povray_obj_sphere(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Sphere"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    #bl_options = {'HIDE_HEADER'}
    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        obj = context.object
        return (obj and obj.pov.object_as == 'SPHERE' and (engine in cls.COMPAT_ENGINES))
    def draw(self, context):
        layout = self.layout

        obj = context.object

        col = layout.column()

        if obj.pov.object_as == 'SPHERE':
            if obj.pov.unlock_parameters == False:
                col.prop(obj.pov, "unlock_parameters", text="Exported parameters below", icon='LOCKED')
                col.label(text="Sphere radius: " + str(obj.pov.sphere_radius))

            else:
                col.prop(obj.pov, "unlock_parameters", text="Edit exported parameters", icon='UNLOCKED')
                col.label(text="3D view proxy may get out of synch")
                col.active = obj.pov.unlock_parameters


                layout.operator("pov.sphere_update", text="Update",icon="SOLID")

                #col.label(text="Parameters:")
                col.prop(obj.pov, "sphere_radius", text="Radius of Sphere")


class OBJECT_PT_povray_obj_cylinder(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Cylinder"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    #bl_options = {'HIDE_HEADER'}
    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        obj = context.object
        return (obj and obj.pov.object_as == 'CYLINDER' and (engine in cls.COMPAT_ENGINES))
    def draw(self, context):
        layout = self.layout

        obj = context.object

        col = layout.column()

        if obj.pov.object_as == 'CYLINDER':
            if obj.pov.unlock_parameters == False:
                col.prop(obj.pov, "unlock_parameters", text="Exported parameters below", icon='LOCKED')
                col.label(text="Cylinder radius: " + str(obj.pov.cylinder_radius))
                col.label(text="Cylinder cap location: " + str(obj.pov.cylinder_location_cap))

            else:
                col.prop(obj.pov, "unlock_parameters", text="Edit exported parameters", icon='UNLOCKED')
                col.label(text="3D view proxy may get out of synch")
                col.active = obj.pov.unlock_parameters


                layout.operator("pov.cylinder_update", text="Update",icon="MESH_CYLINDER")

                #col.label(text="Parameters:")
                col.prop(obj.pov, "cylinder_radius")
                col.prop(obj.pov, "cylinder_location_cap")

class OBJECT_PT_povray_obj_cone(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Cone"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    #bl_options = {'HIDE_HEADER'}
    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        obj = context.object
        return (obj and obj.pov.object_as == 'CONE' and (engine in cls.COMPAT_ENGINES))
    def draw(self, context):
        layout = self.layout

        obj = context.object

        col = layout.column()

        if obj.pov.object_as == 'CONE':
            if obj.pov.unlock_parameters == False:
                col.prop(obj.pov, "unlock_parameters", text="Exported parameters below", icon='LOCKED')
                col.label(text="Cone base radius: " + str(obj.pov.cone_base_radius))
                col.label(text="Cone cap radius: " + str(obj.pov.cone_cap_radius))
                col.label(text="Cone proxy segments: " + str(obj.pov.cone_segments))
                col.label(text="Cone height: " + str(obj.pov.cone_height))
            else:
                col.prop(obj.pov, "unlock_parameters", text="Edit exported parameters", icon='UNLOCKED')
                col.label(text="3D view proxy may get out of synch")
                col.active = obj.pov.unlock_parameters


                layout.operator("pov.cone_update", text="Update",icon="MESH_CONE")

                #col.label(text="Parameters:")
                col.prop(obj.pov, "cone_base_radius", text="Radius of Cone Base")
                col.prop(obj.pov, "cone_cap_radius", text="Radius of Cone Cap")
                col.prop(obj.pov, "cone_segments", text="Segmentation of Cone proxy")
                col.prop(obj.pov, "cone_height", text="Height of the cone")

class OBJECT_PT_povray_obj_superellipsoid(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Superquadric ellipsoid"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    #bl_options = {'HIDE_HEADER'}
    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        obj = context.object
        return (obj and obj.pov.object_as == 'SUPERELLIPSOID' and (engine in cls.COMPAT_ENGINES))
    def draw(self, context):
        layout = self.layout

        obj = context.object

        col = layout.column()

        if obj.pov.object_as == 'SUPERELLIPSOID':
            if obj.pov.unlock_parameters == False:
                col.prop(obj.pov, "unlock_parameters", text="Exported parameters below", icon='LOCKED')
                col.label(text="Radial segmentation: " + str(obj.pov.se_u))
                col.label(text="Lateral segmentation: " + str(obj.pov.se_v))
                col.label(text="Ring shape: " + str(obj.pov.se_n1))
                col.label(text="Cross-section shape: " + str(obj.pov.se_n2))
                col.label(text="Fill up and down: " + str(obj.pov.se_edit))
            else:
                col.prop(obj.pov, "unlock_parameters", text="Edit exported parameters", icon='UNLOCKED')
                col.label(text="3D view proxy may get out of synch")
                col.active = obj.pov.unlock_parameters


                layout.operator("pov.superellipsoid_update", text="Update",icon="MOD_SUBSURF")

                #col.label(text="Parameters:")
                col.prop(obj.pov, "se_u")
                col.prop(obj.pov, "se_v")
                col.prop(obj.pov, "se_n1")
                col.prop(obj.pov, "se_n2")
                col.prop(obj.pov, "se_edit")


class OBJECT_PT_povray_obj_torus(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Torus"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    #bl_options = {'HIDE_HEADER'}
    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        obj = context.object
        return (obj and obj.pov.object_as == 'TORUS' and (engine in cls.COMPAT_ENGINES))
    def draw(self, context):
        layout = self.layout

        obj = context.object

        col = layout.column()

        if obj.pov.object_as == 'TORUS':
            if obj.pov.unlock_parameters == False:
                col.prop(obj.pov, "unlock_parameters", text="Exported parameters below", icon='LOCKED')
                col.label(text="Torus major radius: " + str(obj.pov.torus_major_radius))
                col.label(text="Torus minor radius: " + str(obj.pov.torus_minor_radius))
                col.label(text="Torus major segments: " + str(obj.pov.torus_major_segments))
                col.label(text="Torus minor segments: " + str(obj.pov.torus_minor_segments))
            else:
                col.prop(obj.pov, "unlock_parameters", text="Edit exported parameters", icon='UNLOCKED')
                col.label(text="3D view proxy may get out of synch")
                col.active = obj.pov.unlock_parameters


                layout.operator("pov.torus_update", text="Update",icon="MESH_TORUS")

                #col.label(text="Parameters:")
                col.prop(obj.pov, "torus_major_radius")
                col.prop(obj.pov, "torus_minor_radius")
                col.prop(obj.pov, "torus_major_segments")
                col.prop(obj.pov, "torus_minor_segments")

class OBJECT_PT_povray_obj_supertorus(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray SuperTorus"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    #bl_options = {'HIDE_HEADER'}
    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        obj = context.object
        return (obj and obj.pov.object_as == 'SUPERTORUS' and (engine in cls.COMPAT_ENGINES))
    def draw(self, context):
        layout = self.layout

        obj = context.object

        col = layout.column()

        if obj.pov.object_as == 'SUPERTORUS':
            if obj.pov.unlock_parameters == False:
                col.prop(obj.pov, "unlock_parameters", text="Exported parameters below", icon='LOCKED')
                col.label(text="SuperTorus major radius: " + str(obj.pov.st_major_radius))
                col.label(text="SuperTorus minor radius: " + str(obj.pov.st_minor_radius))
                col.label(text="SuperTorus major segments: " + str(obj.pov.st_u))
                col.label(text="SuperTorus minor segments: " + str(obj.pov.st_v))

                col.label(text="SuperTorus Ring Manipulator: " + str(obj.pov.st_ring))
                col.label(text="SuperTorus Cross Manipulator: " + str(obj.pov.st_cross))
                col.label(text="SuperTorus Internal And External radii: " + str(obj.pov.st_ie))

                col.label(text="SuperTorus accuracy: " + str(ob.pov.st_accuracy))
                col.label(text="SuperTorus max gradient: " + str(ob.pov.st_max_gradient))


            else:
                col.prop(obj.pov, "unlock_parameters", text="Edit exported parameters", icon='UNLOCKED')
                col.label(text="3D view proxy may get out of synch")
                col.active = obj.pov.unlock_parameters


                layout.operator("pov.supertorus_update", text="Update",icon="MESH_TORUS")

                #col.label(text="Parameters:")
                col.prop(obj.pov, "st_major_radius")
                col.prop(obj.pov, "st_minor_radius")
                col.prop(obj.pov, "st_u")
                col.prop(obj.pov, "st_v")
                col.prop(obj.pov, "st_ring")
                col.prop(obj.pov, "st_cross")
                col.prop(obj.pov, "st_ie")
                #col.prop(obj.pov, "st_edit") #?
                col.prop(obj.pov, "st_accuracy")
                col.prop(obj.pov, "st_max_gradient")

class OBJECT_PT_povray_obj_parametric(PovDataButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Parametric surface"
    COMPAT_ENGINES = {'POVRAY_RENDER'}
    #bl_options = {'HIDE_HEADER'}
    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        obj = context.object
        return (obj and obj.pov.object_as == 'PARAMETRIC' and (engine in cls.COMPAT_ENGINES))
    def draw(self, context):
        layout = self.layout

        obj = context.object

        col = layout.column()

        if obj.pov.object_as == 'PARAMETRIC':
            if obj.pov.unlock_parameters == False:
                col.prop(obj.pov, "unlock_parameters", text="Exported parameters below", icon='LOCKED')
                col.label(text="Minimum U: " + str(obj.pov.u_min))
                col.label(text="Minimum V: " + str(obj.pov.v_min))
                col.label(text="Maximum U: " + str(obj.pov.u_max))
                col.label(text="Minimum V: " + str(obj.pov.v_min))
                col.label(text="X Function: " + str(obj.pov.x_eq))
                col.label(text="Y Function: " + str(obj.pov.y_eq))
                col.label(text="Z Function: " + str(obj.pov.x_eq))

            else:
                col.prop(obj.pov, "unlock_parameters", text="Edit exported parameters", icon='UNLOCKED')
                col.label(text="3D view proxy may get out of synch")
                col.active = obj.pov.unlock_parameters


                layout.operator("pov.parametric_update", text="Update",icon="SCRIPTPLUGINS")

                col.prop(obj.pov, "u_min", text="Minimum U")
                col.prop(obj.pov, "v_min", text="Minimum V")
                col.prop(obj.pov, "u_max", text="Maximum U")
                col.prop(obj.pov, "v_max", text="Minimum V")
                col.prop(obj.pov, "x_eq", text="X Function")
                col.prop(obj.pov, "y_eq", text="Y Function")
                col.prop(obj.pov, "z_eq", text="Z Function")


class OBJECT_PT_povray_replacement_text(ObjectButtonsPanel, bpy.types.Panel):
    bl_label = "Custom POV Code"
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    def draw(self, context):
        layout = self.layout

        obj = context.object

        col = layout.column()
        col.label(text="Replace properties with:")
        col.prop(obj.pov, "replacement_text", text="")

###############################################################################
# Add Povray Objects
###############################################################################


class POVRAY_MT_primitives_add_menu(bpy.types.Menu):
    """Define the menu with presets"""
    bl_idname = "POVRAY_MT_primitives_add_menu"
    bl_label = "Povray"
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    @classmethod
    def poll(cls, context):
        engine = context.scene.render.engine
        return (engine == 'POVRAY_RENDER')

    def draw(self,context):
        layout = self.layout
        layout.operator_context = 'INVOKE_REGION_WIN'
        layout.menu(BasicShapesMenu.bl_idname, text = "Primitives",icon="GROUP")
        layout.menu(ImportMenu.bl_idname, text = "Import",icon="IMPORT")

class BasicShapesMenu(bpy.types.Menu):
    bl_idname = "POVRAY_MT_basic_shape_tools"
    bl_label = "Basic_shapes"

    def draw(self,context):
        layout = self.layout
        layout.operator_context = 'INVOKE_REGION_WIN'
        layout.operator("pov.addplane", text="Infinite Plane",icon = 'MESH_PLANE')
        layout.operator("pov.addbox", text="Box",icon = 'MESH_CUBE')
        layout.operator("pov.addsphere", text="Sphere",icon = 'SOLID')
        layout.operator("pov.addcylinder", text="Cylinder",icon="MESH_CYLINDER")
        layout.operator("pov.cone_add", text="Cone",icon="MESH_CONE")
        layout.operator("pov.addtorus", text="Torus",icon = 'MESH_TORUS')
        layout.separator()
        layout.operator("pov.addrainbow", text="Rainbow",icon="COLOR")
        layout.operator("pov.addlathe", text="Lathe",icon = 'MOD_SCREW')
        layout.operator("pov.addprism", text="Prism",icon = 'MOD_SOLIDIFY')
        layout.operator("pov.addsuperellipsoid", text="Superquadric Ellipsoid",icon = 'MOD_SUBSURF')
        layout.operator("pov.addheightfield", text="Height Field",icon="RNDCURVE")
        layout.operator("pov.addspheresweep", text="Sphere Sweep",icon = 'FORCE_CURVE')
        layout.separator()
        layout.operator("pov.addblobsphere", text="Blob Sphere",icon = 'META_DATA')
        layout.separator()
        layout.label("Isosurfaces")
        layout.operator("pov.addisosurfacebox", text="Isosurface Box",icon="META_CUBE")
        layout.operator("pov.addisosurfacesphere", text="Isosurface Sphere",icon="META_BALL")
        layout.operator("pov.addsupertorus", text="Supertorus",icon="SURFACE_NTORUS")
        layout.separator()
        layout.label(text = "Macro based")
        layout.operator("pov.addpolygontocircle", text="Polygon To Circle Blending",icon="RETOPO")
        layout.operator("pov.addloft", text="Loft",icon="SURFACE_NSURFACE")
        layout.separator()
        # Warning if the Add Advanced Objects addon containing
        # Add mesh extra objects is not enabled
        if not check_add_mesh_extra_objects():
            #col = box.column()
            layout.label(text="Please enable Add Mesh: Extra Objects addon", icon="INFO")
            #layout.separator()
            layout.operator("wm.addon_userpref_show",
                         text="Go to Add Mesh: Extra Objects addon",
                         icon="PREFERENCES").module = "add_mesh_extra_objects"

            #layout.separator()
            return
        else:
            layout.operator("pov.addparametric", text="Parametric",icon = 'SCRIPTPLUGINS')

class ImportMenu(bpy.types.Menu):
    bl_idname = "POVRAY_MT_import_tools"
    bl_label = "Import"

    def draw(self,context):
        layout = self.layout
        layout.operator_context = 'INVOKE_REGION_WIN'
        layout.operator("import_scene.pov",icon="FORCE_LENNARDJONES")

def menu_func_add(self, context):
    engine = context.scene.render.engine
    if engine == 'POVRAY_RENDER':
        self.layout.menu("POVRAY_MT_primitives_add_menu", icon="PLUGIN")

def menu_func_import(self, context):
    engine = context.scene.render.engine
    if engine == 'POVRAY_RENDER':
        self.layout.operator("import_scene.pov",icon="FORCE_LENNARDJONES")


##############Nodes

# def find_node_input(node, name):
    # for input in node.inputs:
        # if input.name == name:
            # return input

# def panel_node_draw(layout, id_data, output_type, input_name):
    # if not id_data.use_nodes:
        # #layout.operator("pov.material_use_nodes", icon='SOUND')#'NODETREE')
        # #layout.operator("pov.use_shading_nodes", icon='NODETREE')
        # layout.operator("WM_OT_context_toggle", icon='NODETREE').data_path = \
                        # "material.pov.material_use_nodes"
        # return False

    # ntree = id_data.node_tree

    # node = find_node(id_data, output_type)
    # if not node:
        # layout.label(text="No output node")
    # else:
        # input = find_node_input(node, input_name)
        # layout.template_node_view(ntree, node, input)

    # return True

class NodeMapCreateMenu(bpy.types.Menu):
    """Create maps"""
    bl_idname = "POVRAY_MT_node_map_create"
    bl_label = "Create map"

    def draw(self,context):
        layout = self.layout
        layout.operator("node.map_create")

def menu_func_nodes(self, context):
    ob = context.object
    if hasattr(ob,'active_material'):
        mat=context.object.active_material
        if mat and context.space_data.tree_type == 'ObjectNodeTree':
            self.layout.prop(mat.pov,"material_use_nodes")
            self.layout.menu(NodeMapCreateMenu.bl_idname)
            self.layout.operator("wm.updatepreviewkey")
        if hasattr(mat,'active_texture') and context.scene.render.engine == 'POVRAY_RENDER':
            tex=mat.active_texture
            if tex and context.space_data.tree_type == 'TextureNodeTree':
                self.layout.prop(tex.pov,"texture_use_nodes")


###############################################################################
# Camera Povray Settings
###############################################################################
class CAMERA_PT_povray_cam_dof(CameraDataButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Depth Of Field"
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    def draw_header(self, context):
        cam = context.camera

        self.layout.prop(cam.pov, "dof_enable", text="")

    def draw(self, context):
        layout = self.layout

        cam = context.camera

        layout.active = cam.pov.dof_enable

        layout.prop(cam.pov, "dof_aperture")

        split = layout.split()

        col = split.column()
        col.prop(cam.pov, "dof_samples_min")
        col.prop(cam.pov, "dof_variance")

        col = split.column()
        col.prop(cam.pov, "dof_samples_max")
        col.prop(cam.pov, "dof_confidence")



class CAMERA_PT_povray_cam_nor(CameraDataButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray Perturbation"
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    def draw_header(self, context):
        cam = context.camera

        self.layout.prop(cam.pov, "normal_enable", text="")

    def draw(self, context):
        layout = self.layout

        cam = context.camera

        layout.active = cam.pov.normal_enable

        layout.prop(cam.pov,"normal_patterns")
        layout.prop(cam.pov,"cam_normal")
        layout.prop(cam.pov,"turbulence")
        layout.prop(cam.pov,"scale")


class CAMERA_PT_povray_replacement_text(CameraDataButtonsPanel, bpy.types.Panel):
    bl_label = "Custom POV Code"
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    def draw(self, context):
        layout = self.layout

        cam = context.camera

        col = layout.column()
        col.label(text="Replace properties with:")
        col.prop(cam.pov, "replacement_text", text="")

###############################################################################
# Text Povray Settings
###############################################################################

class TEXT_OT_povray_insert(bpy.types.Operator):
    """Tooltip"""
    bl_idname = "text.povray_insert"
    bl_label = "Insert"

    filepath = bpy.props.StringProperty(name="Filepath", subtype='FILE_PATH')

    @classmethod
    def poll(cls, context):
        # context.area.type == 'TEXT_EDITOR'
        return bpy.ops.text.insert.poll()

    def execute(self, context):
        if self.filepath and isfile(self.filepath):
            file = open(self.filepath, "r")
            bpy.ops.text.insert(text=file.read())

            # places the cursor at the end without scrolling -.-
            # context.space_data.text.write(file.read())
            file.close()
        return {'FINISHED'}

def validinsert(ext):
	return ext in {".txt",".inc",".pov"}

class TEXT_MT_insert(bpy.types.Menu):
    bl_label = "Insert"
    bl_idname = "TEXT_MT_insert"

    def draw(self, context):
        pov_documents = locate_docpath()
        prop = self.layout.operator("wm.path_open", text="Open folder", icon='FILE_FOLDER')
        prop.filepath = pov_documents
        self.layout.separator()

        list=[]
        for root,dirs,files in os.walk(pov_documents):
            list.append(root)
        print(list)
        self.path_menu(list,
                       "text.povray_insert",
                       #{"internal": True},
					   filter_ext= validinsert
                       )

class TEXT_PT_povray_custom_code(TextButtonsPanel, bpy.types.Panel):
    bl_label = "POV-Ray"
    COMPAT_ENGINES = {'POVRAY_RENDER'}

    def draw(self, context):
        layout = self.layout

        text = context.space_data.text
            
        pov_documents = locate_docpath()
        if not pov_documents :
            layout.label(text="Please configure ", icon="INFO")
            layout.label(text="default pov include path ")
            layout.label(text="in addon preferences")
            #layout.separator()
            layout.operator("wm.addon_userpref_show",
                         text="Go to Render: POV-Ray addon",
                         icon="PREFERENCES").module = "render_povray"

            #layout.separator()
        else:
            #print(pov_documents)
            layout.menu(TEXT_MT_insert.bl_idname)

        if text:
            box = layout.box()
            box.label('Source to render:', icon='RENDER_STILL')
            row = box.row()
            row.prop(text.pov, "custom_code",expand = True)
            if text.pov.custom_code in {'3dview'}:
                box.operator("render.render", icon='OUTLINER_DATA_POSE')  
            if text.pov.custom_code in {'text'}:
                rtext = bpy.context.space_data.text
                box.operator("text.run", icon='POSE_DATA')
            #layout.prop(text.pov, "custom_code")
            elif text.pov.custom_code in {'both'}:
                box.operator("render.render", icon='POSE_HLT')
                layout.label(text="Please specify declared", icon="INFO")
                layout.label(text="items in properties ")
                #layout.label(text="")                
                layout.label(text="replacement fields")


###############################################
# Text editor templates from header menu

class TEXT_MT_templates_pov(bpy.types.Menu):
    bl_label = "POV-Ray"

    # We list templates on file evaluation, we can assume they are static data,
    # and better avoid running this on every draw call.
    import os
    template_paths = [os.path.join(os.path.dirname(__file__), "templates_pov")]

    def draw(self, context):
        self.path_menu(
            self.template_paths,
            "text.open",
            props_default={"internal": True},
        )

def menu_func_templates(self, context):
    # Do not depend on POV-Ray being active renderer here...
    self.layout.menu("TEXT_MT_templates_pov")