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Draft: move Draft_Slope to gui_lineslope module
The class name was renamed to `LineSlope` as it is fundamentally inteded to control slopes of lines.
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| Original file line number | Diff line number | Diff line change |
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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 tools to change the slope of a line over the working plane. | ||
| 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 DRAFT | ||
| # \brief Provides tools to change the slope of a line over the working plane. | ||
|
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||
| import PySide.QtGui as QtGui | ||
| from PySide.QtCore import QT_TRANSLATE_NOOP | ||
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| import FreeCAD as App | ||
| import FreeCADGui as Gui | ||
| import Draft_rc | ||
| import draftutils.utils as utils | ||
| import draftguitools.gui_base as gui_base | ||
| from draftutils.translate import _tr, translate | ||
|
|
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| # The module is used to prevent complaints from code checkers (flake8) | ||
| True if Draft_rc.__name__ else False | ||
|
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| 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. | ||
| """ | ||
|
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| def __init__(self): | ||
| super().__init__(name=_tr("Change slope")) | ||
|
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| def GetResources(self): | ||
| """Set icon, menu and tooltip.""" | ||
| _menu = "Set slope" | ||
| _tip = ("Sets the slope of the selected line " | ||
| "by changing the value of the Z value of one of its points.\n" | ||
| "If a polyline is selected, it will apply the slope " | ||
| "transformation to each of its segments.\n\n" | ||
| "The slope will always change the Z value, therefore " | ||
| "this command only works well for\n" | ||
| "straight Draft lines that are drawn in the XY plane. " | ||
| "Selected objects that aren't single lines will be ignored.") | ||
|
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| return {'Pixmap': 'Draft_Slope', | ||
| 'MenuText': QT_TRANSLATE_NOOP("Draft_Slope", _menu), | ||
| 'ToolTip': QT_TRANSLATE_NOOP("Draft_Slope", _tip)} | ||
|
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| def Activated(self): | ||
| """Execute when the command is called.""" | ||
| super().Activated() | ||
|
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| # 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 = QtGui.QWidget() | ||
| w.setWindowTitle(translate("Draft", "Slope")) | ||
| layout = QtGui.QHBoxLayout(w) | ||
| label = QtGui.QLabel(w) | ||
| label.setText(translate("Draft", "Slope")+":") | ||
| layout.addWidget(label) | ||
| self.spinbox = QtGui.QDoubleSpinBox(w) | ||
| 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) | ||
|
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| # 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 = QtGui.QWidget() | ||
| taskwidget.form = w | ||
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| # 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) | ||
|
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| 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() | ||
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| Draft_Slope = LineSlope | ||
| Gui.addCommand('Draft_Slope', LineSlope()) |
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