object_boolean_tools.py

        col = main.column(align=True)
        col.enabled = obs_len == 2
        col.operator(OBJECT_OT_BoolTool_Auto_Slice.bl_idname, text='Slice', icon="ROTATECENTER")
        col.operator(OBJECT_OT_BoolTool_Auto_Subtract.bl_idname, text='Subtract', icon="ROTACTIVE")

        main.separator()

        col = main.column(align=True)
        col.enabled = obs_len > 1
        col.label("Brush Boolean:", icon="MODIFIER")
        col.separator()
        col.operator(BTool_Diff.bl_idname, text="Difference", icon="ROTACTIVE")
        col.operator(BTool_Union.bl_idname, text="Union", icon="ROTATECOLLECTION")
        col.operator(BTool_Inters.bl_idname, text="Intersect", icon="ROTATECENTER")
        col.operator(BTool_Slice.bl_idname, text="Slice", icon="ROTATECENTER")

        main.separator()

        col = main.column(align=True)
        col.label("Draw:", icon="MESH_CUBE")
        col.separator()
        col.operator(BTool_DrawPolyBrush.bl_idname, icon="LINE_DATA")


# ---------- Toolshelf: Properties --------------------------------------------------------

class VIEW3D_PT_booltool_config(Panel):
    bl_category = "Tools"
    bl_label = "Properties"
    bl_space_type = 'VIEW_3D'
    bl_region_type = 'TOOLS'
    bl_context = 'objectmode'

    @classmethod
    def poll(cls, context):

        result = False
        actObj = bpy.context.active_object
        if (isCanvas(actObj) or isBrush(actObj) or isPolyBrush(actObj)):
            result = True
        return result

    def draw(self, context):
        actObj = bpy.context.active_object
        icon = ""

        layout = self.layout
        row = layout.row(True)

        # CANVAS ---------------------------------------------------
        if isCanvas(actObj):
            row.label("CANVAS", icon="MESH_GRID")
            row = layout.row()
            row.prop(context.scene, 'BoolHide', text="Hide Bool objects")
            row = layout.row(True)
            row.operator(BTool_AllBrushToMesh.bl_idname, icon="MOD_LATTICE", text="Apply All")

            row = layout.row(True)
            Rem = row.operator(BTool_Remove.bl_idname, icon="CANCEL", text="Remove All")
            Rem.thisObj = ""
            Rem.Prop = "CANVAS"

            if isBrush(actObj):
                layout.separator()

        # BRUSH ------------------------------------------------------
        if isBrush(actObj):

            if (actObj["BoolToolBrush"] == "UNION"):
                icon = "ROTATECOLLECTION"
            if (actObj["BoolToolBrush"] == "DIFFERENCE"):
                icon = "ROTATECENTER"
            if (actObj["BoolToolBrush"] == "INTERSECT"):
                icon = "ROTACTIVE"
            if (actObj["BoolToolBrush"] == "SLICE"):
                icon = "ROTATECENTER"

            row = layout.row(True)
            row.label("BRUSH", icon=icon)

            icon = ""
            if actObj["BoolTool_FTransform"] == "True":
                icon = "PMARKER_ACT"
            else:
                icon = "PMARKER"
            if isFTransf():
                pass

            if isFTransf():
                row = layout.row(True)
                row.operator(BTool_EnableFTransform.bl_idname, text="Fast Vis", icon=icon)
                row.operator(BTool_EnableThisBrush.bl_idname, text="Enable", icon="VISIBLE_IPO_ON")
                row = layout.row(True)
            else:
                row.operator(BTool_EnableThisBrush.bl_idname, icon="VISIBLE_IPO_ON")
                row = layout.row(True)

        if isPolyBrush(actObj):
            row = layout.row(False)
            row.label("POLY BRUSH", icon="LINE_DATA")
            mod = actObj.modifiers["BTool_PolyBrush"]
            row = layout.row(False)
            row.prop(mod, "thickness", text="Size")
            layout.separator()

        if isBrush(actObj):
            row = layout.row(True)
            row.operator(BTool_BrushToMesh.bl_idname, icon="MOD_LATTICE", text="Apply Brush")
            row = layout.row(True)
            Rem = row.operator(BTool_Remove.bl_idname, icon="CANCEL", text="Remove Brush")
            Rem.thisObj = ""
            Rem.Prop = "BRUSH"

        layout.separator()


# ---------- Toolshelf: Brush Viewer -------------------------------------------------------

class VIEW3D_PT_booltool_bviewer(Panel):
    bl_category = "Tools"
    bl_label = "Brush Viewer"
    bl_space_type = 'VIEW_3D'
    bl_region_type = 'TOOLS'
    bl_context = 'objectmode'

    @classmethod
    def poll(cls, context):
        actObj = bpy.context.active_object

        if isCanvas(actObj):
            return True
        else:
            return False

    def draw(self, context):

        actObj = bpy.context.active_object
        icon = ""

        if isCanvas(actObj):

            for mod in actObj.modifiers:
                container = self.layout.box()
                row = container.row(True)
                icon = ""
                if ("BTool_" in mod.name):
                    if (mod.operation == "UNION"):
                        icon = "ROTATECOLLECTION"
                    if (mod.operation == "DIFFERENCE"):
                        icon = "ROTATECENTER"
                    if (mod.operation == "INTERSECT"):
                        icon = "ROTACTIVE"
                    if (mod.operation == "SLICE"):
                        icon = "ROTATECENTER"

                    objSelect = row.operator("btool.find_brush", text=mod.object.name, icon=icon, emboss=False)
                    objSelect.obj = mod.object.name

                    EnableIcon = "RESTRICT_VIEW_ON"
                    if (mod.show_viewport):
                        EnableIcon = "RESTRICT_VIEW_OFF"
                    Enable = row.operator(BTool_EnableBrush.bl_idname, icon=EnableIcon, emboss=False)
                    Enable.thisObj = mod.object.name

                    Remove = row.operator("btool.remove", icon="CANCEL", emboss=False)
                    Remove.thisObj = mod.object.name
                    Remove.Prop = "THIS"

                    # Stack Changer
                    Up = row.operator("btool.move_stack", icon="TRIA_UP", emboss=False)
                    Up.modif = mod.name
                    Up.direction = "UP"

                    Dw = row.operator("btool.move_stack", icon="TRIA_DOWN", emboss=False)
                    Dw.modif = mod.name
                    Dw.direction = "DOWN"

                else:
                    row.label(mod.name)
                    # Stack Changer
                    Up = row.operator("btool.move_stack", icon="TRIA_UP", emboss=False)
                    Up.modif = mod.name
                    Up.direction = "UP"

                    Dw = row.operator("btool.move_stack", icon="TRIA_DOWN", emboss=False)
                    Dw.modif = mod.name
                    Dw.direction = "DOWN"


# ------------------ BOOL TOOL Help ----------------------------


class WM_OT_BoolTool_Help(Operator):
    bl_idname = "wm.booltool_help"
    bl_label = "Bool Tool Help"
    bl_description = "Tool Help - click to read some basic information"

    def draw(self, context):
        layout = self.layout
        layout.label("To use:")
        layout.label("Select two or more objects,")
        layout.label("choose one option from the panel")
        layout.label("or from the Ctrl + Shift + B menu")

        layout.separator()

        layout.label("Auto Boolean:")
        layout.label("Apply Boolean operation directly.")

        layout.separator()

        layout.label("Brush Boolean:")
        layout.label("Create a Boolean brush setup.")

    def execute(self, context):
        return {'FINISHED'}

    def invoke(self, context, event):
        return context.window_manager.invoke_popup(self, width=220)


# ------------------ BOOL TOOL ADD-ON PREFERENCES ----------------------------


def UpdateBoolTool_Pref(self, context):
    if self.fast_transform:
        RegisterFastT()
    else:
        UnRegisterFastT()


# Add-ons Preferences Update Panel

# Define Panel classes for updating
panels = (
    VIEW3D_PT_booltool_tools,
    VIEW3D_PT_booltool_config,
    VIEW3D_PT_booltool_bviewer,
        )


def update_panels(self, context):
    try:
        for panel in panels:
            if "bl_rna" in panel.__dict__:
                bpy.utils.unregister_class(panel)

        for panel in panels:
            panel.bl_category = context.user_preferences.addons[__name__].preferences.category
            bpy.utils.register_class(panel)

    except Exception as e:
        message = "Bool Tool: Updating Panel locations has failed"
        print("\n[{}]\n{}\n\nError:\n{}".format(__name__, message, e))


class PREFS_BoolTool_Props(AddonPreferences):
    bl_idname = __name__

    fast_transform = BoolProperty(
            name="Fast Transformations",
            default=False,
            update=UpdateBoolTool_Pref,
            description="Replace the Transform HotKeys (G,R,S)\n"
                        "for a custom version that can optimize the visualization of Brushes",
            )
    make_vertex_groups = BoolProperty(
            name="Make Vertex Groups",
            default=False,
            description="When Applying a Brush to the Object it will create\n"
                        "a new vertex group for the new faces",
            )
    make_boundary = BoolProperty(
            name="Make Boundary",
            default=False,
            description="When Apply a Brush to the Object it will create a\n"
                        "new vertex group of the bondary boolean area",
            )
    use_wire = BoolProperty(
            name="Use Bmesh",
            default=False,
            description="Use The Wireframe Instead of Bounding Box for visualization",
            )
    category = StringProperty(
            name="Tab Category",
            description="Choose a name for the category of the panel",
            default="Tools",
            update=update_panels,
            )
    solver = EnumProperty(
            name="Boolean Solver",
            items=(('BMESH', "BMesh", "BMesh solver is faster, but less stable "
                                      "and cannot handle coplanar geometry"),
                   ('CARVE', "Carve", "Carve solver is slower, but more stable "
                                      "and can handle simple cases of coplanar geometry")),
            default='BMESH',
            description="Specify solver for boolean operations",
            )
    Enable_Tab_01 = BoolProperty(
            default=False
            )

    def draw(self, context):
        layout = self.layout
        split_percent = 0.3

        split = layout.split(percentage=split_percent)
        col = split.column()
        col.label(text="Tab Category:")
        col = split.column()
        colrow = col.row()
        colrow.prop(self, "category", text="")

        split = layout.split(percentage=split_percent)
        col = split.column()
        col.label("Boolean Solver:")
        col = split.column()
        colrow = col.row()
        colrow.prop(self, "solver", expand=True)

        split = layout.split(percentage=split_percent)
        col = split.column()
        col.label("Experimental Features:")
        col = split.column()
        colrow = col.row(align=True)
        colrow.prop(self, "fast_transform", toggle=True)
        colrow.prop(self, "use_wire", text="Use Wire Instead Of Bbox", toggle=True)
        layout.separator()
        """
        # EXPERIMENTAL
        col.prop(self, "make_vertex_groups")
        col.prop(self, "make_boundary")
        """
        layout.prop(self, "Enable_Tab_01", text="Hot Keys", icon="KEYINGSET")
        if self.Enable_Tab_01:
            row = layout.row()

            col = row.column()
            col.label("Hotkey List:")
            col.label("Menu: Ctrl Shift B")

            row = layout.row()
            col = row.column()
            col.label("Brush Operators:")
            col.label("Union: Ctrl Num +")
            col.label("Diff: Ctrl Num -")
            col.label("Intersect: Ctrl Num *")
            col.label("Slice: Ctrl Num /")

            row = layout.row()
            col = row.column()
            col.label("Auto Operators:")
            col.label("Difference: Ctrl Shift Num -")
            col.label("Union: Ctrl Shift Num +")
            col.label("Intersect: Ctrl Shift Num *")
            col.label("Slice: Ctrl Shift Num /")
            col.label("BTool Brush To Mesh: Ctrl Num Enter")
            col.label("BTool All Brush To Mesh: Ctrl Shift Num Enter")


# ------------------- Class List ------------------------------------------------

classes = (
    PREFS_BoolTool_Props,

    VIEW3D_MT_booltool_menu,
    VIEW3D_PT_booltool_tools,
    VIEW3D_PT_booltool_config,
    VIEW3D_PT_booltool_bviewer,

    OBJECT_OT_BoolTool_Auto_Union,
    OBJECT_OT_BoolTool_Auto_Difference,
    OBJECT_OT_BoolTool_Auto_Intersect,
    OBJECT_OT_BoolTool_Auto_Slice,
    OBJECT_OT_BoolTool_Auto_Subtract,

    BTool_Union,
    BTool_Diff,
    BTool_Inters,
    BTool_Slice,
    BTool_DrawPolyBrush,
    BTool_Remove,
    BTool_AllBrushToMesh,
    BTool_BrushToMesh,
    BTool_FindBrush,
    BTool_MoveStack,
    BTool_EnableBrush,
    BTool_EnableThisBrush,
    BTool_EnableFTransform,
    BTool_FastTransform,

    WM_OT_BoolTool_Help,
    )


# ------------------- REGISTER ------------------------------------------------

addon_keymaps = []
addon_keymapsFastT = []


# Fast Transform HotKeys Register
def RegisterFastT():
    wm = bpy.context.window_manager
    km = wm.keyconfigs.addon.keymaps.new(name='Object Mode', space_type='EMPTY')

    kmi = km.keymap_items.new(BTool_FastTransform.bl_idname, 'G', 'PRESS')
    kmi.properties.operator = "Translate"
    addon_keymapsFastT.append((km, kmi))

    kmi = km.keymap_items.new(BTool_FastTransform.bl_idname, 'R', 'PRESS')
    kmi.properties.operator = "Rotate"
    addon_keymapsFastT.append((km, kmi))

    kmi = km.keymap_items.new(BTool_FastTransform.bl_idname, 'S', 'PRESS')
    kmi.properties.operator = "Scale"
    addon_keymapsFastT.append((km, kmi))


# Fast Transform HotKeys UnRegister
def UnRegisterFastT():
    wm = bpy.context.window_manager
    kc = wm.keyconfigs.addon
    if kc:
        for km, kmi in addon_keymapsFastT:
            km.keymap_items.remove(kmi)

    addon_keymapsFastT.clear()


def register():
    for cls in classes:
        bpy.utils.register_class(cls)
    update_panels(None, bpy.context)

    # Scene variables
    bpy.types.Scene.BoolHide = BoolProperty(
            default=False,
            description="Hide boolean objects",
            update=update_BoolHide,
            )
    # Handlers
    bpy.app.handlers.scene_update_post.append(HandleScene)

    bpy.types.VIEW3D_MT_object.append(VIEW3D_BoolTool_Menu)
    try:
        bpy.types.VIEW3D_MT_Object.prepend(VIEW3D_BoolTool_Menu)
    except:
        pass

    wm = bpy.context.window_manager

    # create the boolean menu hotkey
    km = wm.keyconfigs.addon.keymaps.new(name='Object Mode')

    kmi = km.keymap_items.new('wm.call_menu', 'B', 'PRESS', ctrl=True, shift=True)
    kmi.properties.name = 'VIEW3D_MT_booltool_menu'
    addon_keymaps.append((km, kmi))

    # Brush Operators
    kmi = km.keymap_items.new(BTool_Union.bl_idname, 'NUMPAD_PLUS', 'PRESS', ctrl=True)
    addon_keymaps.append((km, kmi))
    kmi = km.keymap_items.new(BTool_Diff.bl_idname, 'NUMPAD_MINUS', 'PRESS', ctrl=True)
    addon_keymaps.append((km, kmi))
    kmi = km.keymap_items.new(BTool_Inters.bl_idname, 'NUMPAD_ASTERIX', 'PRESS', ctrl=True)
    addon_keymaps.append((km, kmi))
    kmi = km.keymap_items.new(BTool_Slice.bl_idname, 'NUMPAD_SLASH', 'PRESS', ctrl=True)
    addon_keymaps.append((km, kmi))
    kmi = km.keymap_items.new(BTool_BrushToMesh.bl_idname, 'NUMPAD_ENTER', 'PRESS', ctrl=True)
    addon_keymaps.append((km, kmi))
    kmi = km.keymap_items.new(BTool_AllBrushToMesh.bl_idname, 'NUMPAD_ENTER', 'PRESS', ctrl=True, shift=True)
    addon_keymaps.append((km, kmi))

    # Auto Operators
    kmi = km.keymap_items.new(OBJECT_OT_BoolTool_Auto_Union.bl_idname, 'NUMPAD_PLUS', 'PRESS', ctrl=True, shift=True)
    addon_keymaps.append((km, kmi))
    kmi = km.keymap_items.new(OBJECT_OT_BoolTool_Auto_Difference.bl_idname, 'NUMPAD_MINUS', 'PRESS', ctrl=True, shift=True)
    addon_keymaps.append((km, kmi))
    kmi = km.keymap_items.new(OBJECT_OT_BoolTool_Auto_Intersect.bl_idname, 'NUMPAD_ASTERIX', 'PRESS', ctrl=True, shift=True)
    addon_keymaps.append((km, kmi))
    kmi = km.keymap_items.new(OBJECT_OT_BoolTool_Auto_Slice.bl_idname, 'NUMPAD_SLASH', 'PRESS', ctrl=True, shift=True)
    addon_keymaps.append((km, kmi))


def unregister():
    # Keymapping
    # remove keymaps when add-on is deactivated
    wm = bpy.context.window_manager
    kc = wm.keyconfigs.addon
    if kc:
        for km, kmi in addon_keymaps:
            km.keymap_items.remove(kmi)

    addon_keymaps.clear()
    UnRegisterFastT()

    bpy.types.VIEW3D_MT_object.remove(VIEW3D_BoolTool_Menu)
    try:
        bpy.types.VIEW3D_MT_Object.remove(VIEW3D_BoolTool_Menu)
    except:
        pass

    del bpy.types.Scene.BoolHide

    for cls in classes:
        bpy.utils.unregister_class(cls)


if __name__ == "__main__":
    register()