249 lines
9.6 KiB
Python
249 lines
9.6 KiB
Python
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import sys
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import DraftVecUtils
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import FreeCAD as App
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import FreeCADGui as Gui
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import draftguitools.gui_base_original as gui_base_original
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import draftguitools.gui_tool_utils as gui_tool_utils
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import draftutils.gui_utils as gui_utils
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import draftutils.todo as todo
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import draftutils.utils as utils
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from PySide.QtCore import QT_TRANSLATE_NOOP
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from draftutils.messages import _msg
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from draftutils.translate import translate
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class _wire3D(gui_base_original.Creator):
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"""Gui command for the Line tool."""
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def __init__(self):
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super(_wire3D, self).__init__()
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def GetResources(self):
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"""Set icon, menu and tooltip."""
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return {'Pixmap': 'Draft_Line',
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'Accel': "L,I",
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'MenuText': QT_TRANSLATE_NOOP("Draft_Line", "Line"),
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'ToolTip': QT_TRANSLATE_NOOP("Draft_Line",
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"Creates a 2-point line. CTRL to snap, SHIFT to constrain.")}
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def Activated(self, name=translate("draft", "Line")):
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"""Execute when the command is called."""
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super(_wire3D, self).Activated(name)
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if not self.doc:
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return
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self.obj = None # stores the temp shape
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self.oldWP = None # stores the WP if we modify it
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self.ui.wireUi(name)
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self.ui.setTitle(translate("draft", "Line"))
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if sys.version_info.major < 3:
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if isinstance(self.featureName, unicode):
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self.featureName = self.featureName.encode("utf8")
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self.obj = self.doc.addObject("Part::Feature", self.featureName)
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gui_utils.format_object(self.obj)
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self.call = self.view.addEventCallback("SoEvent", self.action)
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_msg(translate("draft", "Pick first point"))
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def action(self, arg):
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"""Handle the 3D scene events.
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This is installed as an EventCallback in the Inventor view.
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Parameters
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----------
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arg: dict
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Dictionary with strings that indicates the type of event received
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from the 3D view.
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"""
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print(arg, " -- point: ", gui_tool_utils.getPoint(self, arg))
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if arg["Type"] == "SoKeyboardEvent" and arg["Key"] == "ESCAPE":
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self.finish()
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elif arg["Type"] == "SoLocation2Event":
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self.point, ctrlPoint, self.info = gui_tool_utils.getPoint(self, arg)
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gui_tool_utils.redraw3DView()
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elif (arg["Type"] == "SoMouseButtonEvent"
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and arg["State"] == "DOWN"
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and arg["Button"] == "BUTTON1"):
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if arg["Position"] == self.pos:
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return self.finish(False, cont=True)
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if (not self.node) and (not self.support):
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gui_tool_utils.getSupport(arg)
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self.point, ctrlPoint, self.info = gui_tool_utils.getPoint(self, arg)
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if self.point:
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self.point = FreeCAD.Vector(self.info["x"], self.info["y"], self.info["z"])
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self.ui.redraw()
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self.pos = arg["Position"]
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self.node.append(self.point)
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self.drawSegment(self.point)
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if len(self.node) > 2:
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# The wire is closed
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if (self.point - self.node[0]).Length < utils.tolerance():
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self.undolast()
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if len(self.node) > 2:
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self.finish(True, cont=True)
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else:
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self.finish(False, cont=True)
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def finish(self, closed=False, cont=False):
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"""Terminate the operation and close the polyline if asked.
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Parameters
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----------
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closed: bool, optional
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Close the line if `True`.
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"""
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self.removeTemporaryObject()
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if self.oldWP:
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App.DraftWorkingPlane = self.oldWP
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if hasattr(Gui, "Snapper"):
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Gui.Snapper.setGrid()
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Gui.Snapper.restack()
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self.oldWP = None
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if len(self.node) > 1:
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Gui.addModule("Draft")
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# The command to run is built as a series of text strings
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# to be committed through the `draftutils.todo.ToDo` class.
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if (len(self.node) == 2
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and utils.getParam("UsePartPrimitives", False)):
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# Insert a Part::Primitive object
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p1 = self.node[0]
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p2 = self.node[-1]
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_cmd = 'FreeCAD.ActiveDocument.'
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_cmd += 'addObject("Part::Line", "Line")'
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_cmd_list = ['line = ' + _cmd,
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'line.X1 = ' + str(p1.x),
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'line.Y1 = ' + str(p1.y),
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'line.Z1 = ' + str(p1.z),
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'line.X2 = ' + str(p2.x),
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'line.Y2 = ' + str(p2.y),
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'line.Z2 = ' + str(p2.z),
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'Draft.autogroup(line)',
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'FreeCAD.ActiveDocument.recompute()']
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self.commit(translate("draft", "Create Line"),
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_cmd_list)
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else:
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# Insert a Draft line
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rot, sup, pts, fil = self.getStrings()
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_base = DraftVecUtils.toString(self.node[0])
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_cmd = 'Draft.makeWire'
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_cmd += '('
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_cmd += 'points, '
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_cmd += 'placement=pl, '
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_cmd += 'closed=' + str(closed) + ', '
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_cmd += 'face=' + fil + ', '
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_cmd += 'support=' + sup
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_cmd += ')'
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_cmd_list = ['pl = FreeCAD.Placement()',
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'pl.Rotation.Q = ' + rot,
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'pl.Base = ' + _base,
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'points = ' + pts,
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'line = ' + _cmd,
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'Draft.autogroup(line)',
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'FreeCAD.ActiveDocument.recompute()']
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self.commit(translate("draft", "Create Wire"),
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_cmd_list)
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super(_wire3D, self).finish()
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if self.ui and self.ui.continueMode:
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self.Activated()
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def removeTemporaryObject(self):
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"""Remove temporary object created."""
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if self.obj:
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try:
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old = self.obj.Name
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except ReferenceError:
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# object already deleted, for some reason
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pass
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else:
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todo.ToDo.delay(self.doc.removeObject, old)
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self.obj = None
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def undolast(self):
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"""Undoes last line segment."""
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import Part
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if len(self.node) > 1:
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self.node.pop()
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# last = self.node[-1]
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if self.obj.Shape.Edges:
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edges = self.obj.Shape.Edges
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if len(edges) > 1:
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newshape = Part.makePolygon(self.node)
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self.obj.Shape = newshape
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else:
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self.obj.ViewObject.hide()
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# DNC: report on removal
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# _msg(translate("draft", "Removing last point"))
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_msg(translate("draft", "Pick next point"))
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def drawSegment(self, point):
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"""Draws new line segment."""
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import Part
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if self.planetrack and self.node:
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self.planetrack.set(self.node[-1])
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if len(self.node) == 1:
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_msg(translate("draft", "Pick next point"))
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elif len(self.node) == 2:
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last = self.node[len(self.node) - 2]
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newseg = Part.LineSegment(last, point).toShape()
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self.obj.Shape = newseg
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self.obj.ViewObject.Visibility = True
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_msg(translate("draft", "Pick next point"))
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else:
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currentshape = self.obj.Shape.copy()
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last = self.node[len(self.node) - 2]
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if not DraftVecUtils.equals(last, point):
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newseg = Part.LineSegment(last, point).toShape()
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newshape = currentshape.fuse(newseg)
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self.obj.Shape = newshape
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_msg(translate("draft", "Pick next point"))
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def wipe(self):
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"""Remove all previous segments and starts from last point."""
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if len(self.node) > 1:
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# self.obj.Shape.nullify() # For some reason this fails
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self.obj.ViewObject.Visibility = False
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self.node = [self.node[-1]]
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if self.planetrack:
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self.planetrack.set(self.node[0])
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_msg(translate("draft", "Pick next point"))
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def orientWP(self):
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"""Orient the working plane."""
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import DraftGeomUtils
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if hasattr(App, "DraftWorkingPlane"):
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if len(self.node) > 1 and self.obj:
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n = DraftGeomUtils.getNormal(self.obj.Shape)
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if not n:
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n = App.DraftWorkingPlane.axis
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p = self.node[-1]
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v = self.node[-2].sub(self.node[-1])
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v = v.negative()
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if not self.oldWP:
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self.oldWP = App.DraftWorkingPlane.copy()
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App.DraftWorkingPlane.alignToPointAndAxis(p, n, upvec=v)
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if hasattr(Gui, "Snapper"):
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Gui.Snapper.setGrid()
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Gui.Snapper.restack()
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if self.planetrack:
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self.planetrack.set(self.node[-1])
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def numericInput(self, numx, numy, numz):
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"""Validate the entry fields in the user interface.
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This function is called by the toolbar or taskpanel interface
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when valid x, y, and z have been entered in the input fields.
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"""
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self.point = App.Vector(numx, numy, numz)
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self.node.append(self.point)
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self.drawSegment(self.point)
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self.ui.setNextFocus()
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