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985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | # SPDX-License-Identifier: LGPL-2.1-or-later
# ***************************************************************************
# * (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 change the slope of a line.
It currently only works for a line in the XY plane, it changes the height
of one of its points in the Z direction to create a sloped line.
"""
## @package gui_lineslope
# \ingroup draftguitools
# \brief Provides GUI tools to change the slope of a line.
## \addtogroup draftguitools
# @{
import PySide.QtWidgets as QtWidgets
from PySide.QtCore import QT_TRANSLATE_NOOP
import FreeCAD as App
import FreeCADGui as Gui
from draftguitools import gui_base
from draftutils import params
from draftutils import utils
from draftutils.translate import translate
class LineSlope(gui_base.GuiCommandNeedsSelection):
"""Gui Command for the Line slope tool.
For a line in the XY plane, it changes the height of one of its points
to create a sloped line.
To Do
-----
Make it work also with lines lying on the YZ and XZ planes,
or in an arbitrary plane, for which the normal is known.
"""
def __init__(self):
super().__init__(name=translate("draft", "Change Slope"))
def GetResources(self):
"""Set icon, menu and tooltip."""
return {
"Pixmap": "Draft_Slope",
"MenuText": QT_TRANSLATE_NOOP("Draft_Slope", "Set Slope"),
"ToolTip": QT_TRANSLATE_NOOP(
"Draft_Slope",
"Sets the slope of the selected line by changing the value of the Z value of one of its points.\nIf a polyline is selected, it will apply the slope transformation to each of its segments.\n\nThe slope will always change the Z value, therefore this command only works well for\nstraight Draft lines that are drawn on the XY-plane.",
),
}
def Activated(self):
"""Execute when the command is called."""
super().Activated()
# for obj in Gui.Selection.getSelection():
# if utils.get_type(obj) != "Wire":
# _msg(translate("draft",
# "This tool only works with "
# "Draft Lines and Wires"))
# return
# TODO: create a .ui file with QtCreator and import it here
# instead of creating the interface programmatically,
# see the `gui_othoarray` module for an example.
w = QtWidgets.QWidget()
w.setWindowTitle(translate("Draft", "Slope"))
layout = QtWidgets.QHBoxLayout(w)
label = QtWidgets.QLabel(w)
label.setText(translate("Draft", "Slope"))
layout.addWidget(label)
self.spinbox = QtWidgets.QDoubleSpinBox(w)
self.spinbox.setDecimals(params.get_param("Decimals", path="Units"))
self.spinbox.setMinimum(-9999.99)
self.spinbox.setMaximum(9999.99)
self.spinbox.setSingleStep(0.01)
_tip = (
"New slope of the selected lines.\n"
"This is the tangent of the horizontal angle:\n"
"0 = horizontal\n"
"1 = 45 deg up\n"
"-1 = 45deg down\n"
)
label.setToolTip(translate("Draft", _tip))
self.spinbox.setToolTip(translate("Draft", _tip))
layout.addWidget(self.spinbox)
# In order to display our interface inside the task panel
# we must contain our interface inside a parent widget.
# Then our interface must be installed in this parent widget
# inside the attribute called "form".
taskwidget = QtWidgets.QWidget()
taskwidget.form = w
# The "accept" attribute of the parent widget
# should also contain a reference to a function that will be called
# when we press the "OK" button.
# Then we must show the container widget.
taskwidget.accept = self.accept
Gui.Control.showDialog(taskwidget)
def accept(self):
"""Execute when clicking the OK button or pressing Enter key.
It changes the slope of the line that lies on the XY plane.
TODO: make it work also with lines lying on the YZ and XZ planes.
"""
if hasattr(self, "spinbox"):
pc = self.spinbox.value()
self.doc.openTransaction("Change slope")
for obj in Gui.Selection.getSelection():
if utils.get_type(obj) == "Wire":
if len(obj.Points) > 1:
lp = None
np = []
for p in obj.Points:
if not lp:
lp = p
else:
v = p.sub(lp)
z = pc * App.Vector(v.x, v.y, 0).Length
lp = App.Vector(p.x, p.y, lp.z + z)
np.append(lp)
obj.Points = np
self.doc.commitTransaction()
Gui.Control.closeDialog()
self.doc.recompute()
Draft_Slope = LineSlope
Gui.addCommand("Draft_Slope", LineSlope())
## @}
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