gui_pathtwistedarray.py

# ***************************************************************************
# *   Copyright (c) 2020 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de> *
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# *   This file is part of the FreeCAD CAx development system.              *
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"""Provides GUI tools to create PathTwistedArray objects.

The copies will be created along a path, like a polyline, B-spline,
or Bezier curve.
"""
## @package gui_pathtwistedarray
# \ingroup draftguitools
# \brief Provides GUI tools to create PathTwistedArray objects.

## \addtogroup draftguitools
# @{
from PySide.QtCore import QT_TRANSLATE_NOOP

import FreeCADGui as Gui
import Draft_rc
import draftguitools.gui_base_original as gui_base_original

from draftutils.messages import _err
from draftutils.translate import _tr

# The module is used to prevent complaints from code checkers (flake8)
True if Draft_rc.__name__ else False


class PathTwistedArray(gui_base_original.Modifier):
    """Gui Command for the Path twisted array tool.

    Parameters
    ----------
    use_link: bool, optional
        It defaults to `False`. If it is `True`, the created object
        will be a `Link array`.
    """

    def __init__(self, use_link=False):
        super(PathTwistedArray, self).__init__()
        self.use_link = use_link
        self.call = None

    def GetResources(self):
        """Set icon, menu and tooltip."""
        _menu = "Path twisted array"
        _tip = ("Creates copies of the selected object "
                "along a selected path, and twists the copies.\n"
                "First select the object, and then select the path.\n"
                "The path can be a polyline, B-spline, Bezier curve, "
                "or even edges from other objects.")

        return {'Pixmap': 'Draft_PathTwistedArray',
                'MenuText': QT_TRANSLATE_NOOP("Draft_PathTwistedArray", _menu),
                'ToolTip': QT_TRANSLATE_NOOP("Draft_PathTwistedArray", _tip)}

    def Activated(self, name=_tr("Path twisted array")):
        """Execute when the command is called."""
        super(PathTwistedArray, self).Activated(name=name)
        self.name = name
        self.proceed()

    def proceed(self):
        """Proceed with the command if one object was selected."""
        sel = Gui.Selection.getSelectionEx()
        if len(sel) != 2:
            _err(_tr("Please select exactly two objects, "
                     "the base object and the path object, "
                     "before calling this command."))
        else:
            base_object = sel[0].Object
            path_object = sel[1].Object

            count = 15
            rot_factor = 0.25
            use_link = self.use_link

            Gui.addModule("Draft")
            _cmd = "Draft.make_path_twisted_array"
            _cmd += "("
            _cmd += "App.ActiveDocument." + base_object.Name + ", "
            _cmd += "App.ActiveDocument." + path_object.Name + ", "
            _cmd += "count=" + str(count) + ", "
            _cmd += "rot_factor=" + str(rot_factor) + ", "
            _cmd += "use_link=" + str(use_link)
            _cmd += ")"

            _cmd_list = ["_obj_ = " + _cmd,
                         "Draft.autogroup(_obj_)",
                         "App.ActiveDocument.recompute()"]
            self.commit(_tr(self.name), _cmd_list)

        # Commit the transaction and execute the commands
        # through the parent class
        self.finish()


Gui.addCommand('Draft_PathTwistedArray', PathTwistedArray())


class PathTwistedLinkArray(PathTwistedArray):
    """Gui Command for the PathTwistedLinkArray tool."""

    def __init__(self):
        super(PathTwistedLinkArray, self).__init__(use_link=True)

    def GetResources(self):
        """Set icon, menu and tooltip."""
        _menu = "Path twisted Link array"
        _tip = ("Like the PathTwistedArray tool, but creates a 'Link array' "
                "instead.\n"
                "A 'Link array' is more efficient when handling many copies "
                "but the 'Fuse' option cannot be used.")

        return {'Pixmap': 'Draft_PathTwistedLinkArray',
                'MenuText': QT_TRANSLATE_NOOP("Draft_PathTwistedLinkArray",
                                              _menu),
                'ToolTip': QT_TRANSLATE_NOOP("Draft_PathTwistedLinkArray",
                                             _tip)}

    def Activated(self):
        """Execute when the command is called."""
        super(PathTwistedLinkArray,
              self).Activated(name=_tr("Path twisted link array"))


Gui.addCommand('Draft_PathTwistedLinkArray', PathTwistedLinkArray())

## @}