# *************************************************************************** # * (c) 2009, 2010 Yorik van Havre * # * (c) 2009, 2010 Ken Cline * # * (c) 2020 Eliud Cabrera Castillo * # * * # * 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 mirrored objects. The mirror tool creates a `Part::Mirroring` object, which is the same as the one created by the Part module. Perhaps in the future a specific Draft `Mirror` object can be defined. """ ## @package gui_mirror # \ingroup draftguitools # \brief Provides GUI tools to create mirrored objects. ## \addtogroup draftguitools # @{ from PySide.QtCore import QT_TRANSLATE_NOOP import FreeCAD as App import FreeCADGui as Gui import Draft_rc import DraftVecUtils import WorkingPlane import draftguitools.gui_base_original as gui_base_original import draftguitools.gui_tool_utils as gui_tool_utils from draftutils.messages import _msg from draftutils.translate import translate # The module is used to prevent complaints from code checkers (flake8) True if Draft_rc.__name__ else False class Mirror(gui_base_original.Modifier): """Gui Command for the Mirror tool.""" def GetResources(self): """Set icon, menu and tooltip.""" return {'Pixmap': 'Draft_Mirror', 'Accel': "M, I", 'MenuText': QT_TRANSLATE_NOOP("Draft_Mirror", "Mirror"), 'ToolTip': QT_TRANSLATE_NOOP("Draft_Mirror", "Mirrors the selected objects along a line defined by two points.")} def Activated(self): """Execute when the command is called.""" super(Mirror, self).Activated(name="Mirror") self.ghost = None if self.ui: if not Gui.Selection.getSelection(): self.ui.selectUi(on_close_call=self.finish) _msg(translate("draft", "Select an object to mirror")) self.call = \ self.view.addEventCallback("SoEvent", gui_tool_utils.selectObject) else: self.proceed() def proceed(self): """Proceed with the command if one object was selected.""" if self.call: self.view.removeEventCallback("SoEvent", self.call) self.sel = Gui.Selection.getSelection() self.ui.pointUi(title=translate("draft", self.featureName), icon="Draft_Mirror") self.ui.xValue.setFocus() self.ui.xValue.selectAll() # self.ghost = trackers.ghostTracker(self.sel) # TODO: solve this (see below) self.call = self.view.addEventCallback("SoEvent", self.action) _msg(translate("draft", "Pick start point of mirror line")) self.ui.isCopy.hide() def finish(self, cont=False): """Terminate the operation of the tool.""" if self.ghost: self.ghost.finalize() super(Mirror, self).finish() def mirror(self, p1, p2, copy=False): """Mirror the real shapes.""" sel = '[' for o in self.sel: if len(sel) > 1: sel += ', ' sel += 'FreeCAD.ActiveDocument.' + o.Name sel += ']' Gui.addModule("Draft") _cmd = 'Draft.mirror' _cmd += '(' _cmd += sel + ', ' _cmd += DraftVecUtils.toString(p1) + ', ' _cmd += DraftVecUtils.toString(p2) _cmd += ')' _cmd_list = ['m = ' + _cmd, 'FreeCAD.ActiveDocument.recompute()'] self.commit(translate("draft", "Mirror"), _cmd_list) 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) if len(self.node) > 0: last = self.node[-1] if self.ghost: if self.point != last: # TODO: the following doesn't work at the moment mu = self.point.sub(last).normalize() # This part used to test for the GUI to obtain # the camera view but this is unnecessary # as this command is always launched in the GUI. _view = Gui.ActiveDocument.ActiveView mv = _view.getViewDirection().negative() mw = mv.cross(mu) _plane = WorkingPlane.plane(u=mu, v=mv, w=mw, pos=last) tm = _plane.getPlacement().toMatrix() m = self.ghost.getMatrix() m = m.multiply(tm.inverse()) m.scale(App.Vector(1, 1, -1)) m = m.multiply(tm) m.scale(App.Vector(-1, 1, 1)) self.ghost.setMatrix(m) if self.extendedCopy: if not gui_tool_utils.hasMod(arg, gui_tool_utils.MODALT): self.finish() gui_tool_utils.redraw3DView() elif arg["Type"] == "SoMouseButtonEvent": if (arg["State"] == "DOWN") and (arg["Button"] == "BUTTON1"): if self.point: self.ui.redraw() if (self.node == []): self.node.append(self.point) self.ui.isRelative.show() if self.ghost: self.ghost.on() _msg(translate("draft", "Pick end point of mirror line")) if self.planetrack: self.planetrack.set(self.point) else: last = self.node[0] if (self.ui.isCopy.isChecked() or gui_tool_utils.hasMod(arg, gui_tool_utils.MODALT)): self.mirror(last, self.point, True) else: self.mirror(last, self.point) if gui_tool_utils.hasMod(arg, gui_tool_utils.MODALT): self.extendedCopy = True else: self.finish() 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) if not self.node: self.node.append(self.point) if self.ghost: self.ghost.on() _msg(translate("draft", "Pick end point of mirror line")) else: last = self.node[-1] if self.ui.isCopy.isChecked(): self.mirror(last, self.point, True) else: self.mirror(last, self.point) self.finish() Gui.addCommand('Draft_Mirror', Mirror()) ## @}