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create/src/Mod/Draft/draftguitools/gui_ellipses.py
vocx-fc f4611f0a31 Draft: add modules of draftguitools to the proper Doxygen group 
This includes `gui_annotationstyleeditor`, `gui_arcs`, `gui_array_simple`,
`gui_arrays`, `gui_base`, `gui_base_original`, `gui_beziers`,
`gui_circles`, `gui_circulararray`, `gui_clone`, `gui_circulararray`,
`gui_clone`, `gui_dimension_ops`, `gui_dimensions`, `gui_downgrade`,
`gui_draft2sketch`, `gui_drawing`, `gui_edit`, `gui_edit_arch_objects`,
`gui_edit_draft_objects`, `gui_edit_part_objects`, `gui_edit_sketcher_objects`,
`gui_ellipses`, `gui_facebinders`, `gui_fillets`, `gui_grid`,
`gui_groups`, `gui_heal`, `gui_join`, `gui_labels`, `gui_line_add_delete`,
`gui_lineops`, `gui_lines`, `gui_lineslope`, `gui_mirror`,
`gui_move`, `gui_offset`, `gui_orthoarray`, `gui_patharray`,
`gui_planeproxy`, `gui_pointarray`, `gui_points`, `gui_polararray`,
`gui_polygons`, `gui_rectangles`, `gui_rotate`, `gui_scale`,
`gui_selectplane`, `gui_shape2dview`, `gui_shapestrings`, `gui_snapper`,
`gui_snaps`, `gui_splines`, `gui_split`, `gui_stretch`, `gui_styles`,
`gui_subeleemnts`, `gui_texts`, `gui_togglemodes`, `gui_tools_utils`,
`gui_trackers`, `gui_trimex`, `gui_upgrade`, `gui_wire2spline`.

These are added to the `draftguitools` Doxygen group
so that the functions and classes contained in each module
are listed appropriately in the automatically generated
documentation.
2020-07-17 13:01:45 +02:00

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# ***************************************************************************
# * (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net> *
# * (c) 2009, 2010 Ken Cline <cline@frii.com> *
# * (c) 2020 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 Ellipse objects."""
## @package gui_ellipses
# \ingroup draftguitools
# \brief Provides GUI tools to create Ellipse objects.
## \addtogroup draftguitools
# @{
import math
from PySide.QtCore import QT_TRANSLATE_NOOP
import FreeCAD as App
import FreeCADGui as Gui
import Draft_rc
import DraftVecUtils
import draftutils.utils as utils
import draftguitools.gui_base_original as gui_base_original
import draftguitools.gui_tool_utils as gui_tool_utils
import draftguitools.gui_trackers as trackers
from draftutils.translate import translate
from draftutils.messages import _msg, _err
# The module is used to prevent complaints from code checkers (flake8)
True if Draft_rc.__name__ else False
class Ellipse(gui_base_original.Creator):
"""Gui command for the Ellipse tool."""
def GetResources(self):
"""Set icon, menu and tooltip."""
_tip = "Creates an ellipse. CTRL to snap."
return {'Pixmap': 'Draft_Ellipse',
'Accel': "E, L",
'MenuText': QT_TRANSLATE_NOOP("Draft_Ellipse", "Ellipse"),
'ToolTip': QT_TRANSLATE_NOOP("Draft_Ellipse", _tip)}
def Activated(self):
"""Execute when the command is called."""
name = translate("draft", "Ellipse")
super(Ellipse, self).Activated(name)
if self.ui:
self.refpoint = None
self.ui.pointUi(name)
self.ui.extUi()
self.call = self.view.addEventCallback("SoEvent", self.action)
self.rect = trackers.rectangleTracker()
_msg(translate("draft", "Pick first point"))
def finish(self, closed=False, cont=False):
"""Terminate the operation."""
super(Ellipse, self).finish(self)
if self.ui:
self.rect.off()
self.rect.finalize()
if self.ui and self.ui.continueMode:
self.Activated()
def createObject(self):
"""Create the actual object in the current document."""
plane = App.DraftWorkingPlane
p1 = self.node[0]
p3 = self.node[-1]
diagonal = p3.sub(p1)
halfdiag = App.Vector(diagonal).multiply(0.5)
center = p1.add(halfdiag)
p2 = p1.add(DraftVecUtils.project(diagonal, plane.v))
p4 = p1.add(DraftVecUtils.project(diagonal, plane.u))
r1 = (p4.sub(p1).Length)/2
r2 = (p2.sub(p1).Length)/2
try:
# The command to run is built as a series of text strings
# to be committed through the `draftutils.todo.ToDo` class.
rot, sup, pts, fil = self.getStrings()
if r2 > r1:
r1, r2 = r2, r1
m = App.Matrix()
m.rotateZ(math.pi/2)
rot1 = App.Rotation()
rot1.Q = eval(rot)
rot2 = App.Placement(m)
rot2 = rot2.Rotation
rot = str((rot1.multiply(rot2)).Q)
if utils.getParam("UsePartPrimitives", False):
# Insert a Part::Primitive object
Gui.addModule("Part")
_cmd = 'FreeCAD.ActiveDocument.'
_cmd += 'addObject("Part::Ellipse", "Ellipse")'
_cmd_list = ['ellipse = ' + _cmd,
'ellipse.MajorRadius = ' + str(r1),
'ellipse.MinorRadius = ' + str(r2),
'pl = FreeCAD.Placement()',
'pl.Rotation.Q= ' + rot,
'pl.Base = ' + DraftVecUtils.toString(center),
'ellipse.Placement = pl',
'Draft.autogroup(ellipse)',
'FreeCAD.ActiveDocument.recompute()']
self.commit(translate("draft", "Create Ellipse"),
_cmd_list)
else:
# Insert a Draft ellipse
Gui.addModule("Draft")
_cmd = 'Draft.makeEllipse'
_cmd += '('
_cmd += str(r1) + ', ' + str(r2) + ', '
_cmd += 'placement=pl, '
_cmd += 'face=' + fil + ', '
_cmd += 'support=' + sup
_cmd += ')'
_cmd_list = ['pl = FreeCAD.Placement()',
'pl.Rotation.Q = ' + rot,
'pl.Base = ' + DraftVecUtils.toString(center),
'ellipse = ' + _cmd,
'Draft.autogroup(ellipse)',
'FreeCAD.ActiveDocument.recompute()']
self.commit(translate("draft", "Create Ellipse"),
_cmd_list)
except Exception:
_err("Draft: Error: Unable to create object.")
self.finish(cont=True)
def action(self, arg):
"""Handle the 3D scene events.
This is installed as an EventCallback in the Inventor view.
Parameters
----------
arg: dict
Dictionary with strings that indicates the type of event received
from the 3D view.
"""
if arg["Type"] == "SoKeyboardEvent":
if arg["Key"] == "ESCAPE":
self.finish()
elif arg["Type"] == "SoLocation2Event": # mouse movement detection
(self.point,
ctrlPoint, info) = gui_tool_utils.getPoint(self, arg,
mobile=True,
noTracker=True)
self.rect.update(self.point)
gui_tool_utils.redraw3DView()
elif arg["Type"] == "SoMouseButtonEvent":
if arg["State"] == "DOWN" and arg["Button"] == "BUTTON1":
if arg["Position"] == self.pos:
self.finish()
else:
if (not self.node) and (not self.support):
gui_tool_utils.getSupport(arg)
(self.point,
ctrlPoint, info) = gui_tool_utils.getPoint(self, arg,
mobile=True,
noTracker=True)
if self.point:
self.ui.redraw()
self.appendPoint(self.point)
def numericInput(self, numx, numy, numz):
"""Validate the entry fields in the user interface.
This function is called by the toolbar or taskpanel interface
when valid x, y, and z have been entered in the input fields.
"""
self.point = App.Vector(numx, numy, numz)
self.appendPoint(self.point)
def appendPoint(self, point):
"""Append the point to the list of nodes."""
self.node.append(point)
if len(self.node) > 1:
self.rect.update(point)
self.createObject()
else:
_msg(translate("draft", "Pick opposite point"))
self.ui.setRelative()
self.rect.setorigin(point)
self.rect.on()
if self.planetrack:
self.planetrack.set(point)
Gui.addCommand('Draft_Ellipse', Ellipse())
## @}
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