freecad-cam/Mod/Draft/draftguitools/gui_polararray.py
2026-02-01 01:59:24 +01:00

144 lines
6.0 KiB
Python

# ***************************************************************************
# * (c) 2019 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de> *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * 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. *
# * *
# * FreeCAD 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 FreeCAD; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
"""Provides GUI tools to create polar Array objects."""
## @package gui_polararray
# \ingroup draftguitools
# \brief Provides GUI tools to create polar Array objects.
## \addtogroup draftguitools
# @{
from pivy import coin
from PySide.QtCore import QT_TRANSLATE_NOOP
import FreeCAD as App
import FreeCADGui as Gui
import Draft
import Draft_rc # include resources, icons, ui files
from draftguitools import gui_base
from draftutils import gui_utils
from draftutils import todo
from draftutils.messages import _log
from draftutils.translate import translate
from drafttaskpanels import task_polararray
# The module is used to prevent complaints from code checkers (flake8)
bool(Draft_rc.__name__)
class PolarArray(gui_base.GuiCommandBase):
"""Gui command for the PolarArray tool."""
def __init__(self):
super().__init__()
self.command_name = "Polar array"
self.location = None
self.mouse_event = None
self.view = None
self.callback_move = None
self.callback_click = None
self.ui = None
self.point = App.Vector()
def GetResources(self):
"""Set icon, menu and tooltip."""
return {'Pixmap': 'Draft_PolarArray',
'MenuText': QT_TRANSLATE_NOOP("Draft_PolarArray", "Polar array"),
'ToolTip': QT_TRANSLATE_NOOP("Draft_PolarArray", "Creates copies of the selected object, and places the copies in a polar pattern\ndefined by a center of rotation and its angle.\n\nThe array can be turned into an orthogonal or a circular array by changing its type.")}
def Activated(self):
"""Execute when the command is called.
We add callbacks that connect the 3D view with
the widgets of the task panel.
"""
_log("GuiCommand: {}".format(self.command_name))
self.location = coin.SoLocation2Event.getClassTypeId()
self.mouse_event = coin.SoMouseButtonEvent.getClassTypeId()
self.view = Draft.get3DView()
self.callback_move = \
self.view.addEventCallbackPivy(self.location, self.move)
self.callback_click = \
self.view.addEventCallbackPivy(self.mouse_event, self.click)
self.ui = task_polararray.TaskPanelPolarArray()
# The calling class (this one) is saved in the object
# of the interface, to be able to call a function from within it.
self.ui.source_command = self
# Gui.Control.showDialog(self.ui)
todo.ToDo.delay(Gui.Control.showDialog, self.ui)
def move(self, event_cb):
"""Execute as a callback when the pointer moves in the 3D view.
It should automatically update the coordinates in the widgets
of the task panel.
"""
event = event_cb.getEvent()
mousepos = event.getPosition().getValue()
ctrl = event.wasCtrlDown()
self.point = Gui.Snapper.snap(mousepos, active=ctrl)
if self.ui:
self.ui.display_point(self.point)
def click(self, event_cb=None):
"""Execute as a callback when the pointer clicks on the 3D view.
It should act as if the Enter key was pressed, or the OK button
was pressed in the task panel.
"""
if event_cb:
event = event_cb.getEvent()
if (event.getState() != coin.SoMouseButtonEvent.DOWN
or event.getButton() != coin.SoMouseButtonEvent.BUTTON1):
return
if self.ui and self.point:
# The accept function of the interface
# should call the completed function
# of the calling class (this one).
self.ui.accept()
def completed(self):
"""Execute when the command is terminated.
We should remove the callbacks that were added to the 3D view
and then close the task panel.
"""
try:
self.view.removeEventCallbackPivy(self.location, self.callback_move)
self.view.removeEventCallbackPivy(self.mouse_event, self.callback_click)
gui_utils.end_all_events()
except RuntimeError:
# the view has been deleted already
pass
self.callback_move = None
self.callback_click = None
if Gui.Control.activeDialog():
Gui.Control.closeDialog()
self.finish()
Gui.addCommand('Draft_PolarArray', PolarArray())
## @}