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DraftEdit.py
1281 lines (1145 loc) · 55.3 KB
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DraftEdit.py
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# -*- coding: utf8 -*-
#***************************************************************************
#* *
#* Copyright (c) 2009, 2010 *
#* Yorik van Havre <yorik@uncreated.net>, Ken Cline <cline@frii.com> *
#* *
#* 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. *
#* *
#* This program 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 this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
__title__= "FreeCAD Draft Edit Tool"
__author__ = "Yorik van Havre, Werner Mayer, Martin Burbaum, Ken Cline, Dmitry Chigrin, Carlo Pavan"
__url__ = "http://www.freecadweb.org"
import FreeCAD
import Draft
import math
from FreeCAD import Vector
# Do not import GUI-related modules if GUI is not there
if FreeCAD.GuiUp:
import FreeCADGui
import DraftTools
from DraftTrackers import *
from PySide import QtCore
from PySide.QtCore import QT_TRANSLATE_NOOP
from DraftTools import translate
class Edit():
"The Draft_Edit FreeCAD command definition"
def __init__(self):
self.running = False
self.trackers = []
self.obj = None
# event callbacks
self.call = None
self._keyPressedCB = None
self._mouseMovedCB = None
self._mousePressedCB = None
self.selectstate = None
self.originalDisplayMode = None
self.originalPoints = None
self.originalNodes = None
# preview
self.ghost = None
# soraypick action things
self.pick_radius = 30 # TODO: set pick radius according to user preferences
#list of supported objects type
self.supportedObjs = ["BezCurve","Wire","BSpline","Circle","Rectangle",
"Polygon","Dimension","Space","Structure","PanelCut",
"PanelSheet","Wall", "Window"]
self.supportedPartObjs = ["Part", "Part::Line", "Part::Box"]
def GetResources(self):
return {'Pixmap' : 'Draft_Edit',
'MenuText': QtCore.QT_TRANSLATE_NOOP("Draft_Edit", "Edit"),
'ToolTip': QtCore.QT_TRANSLATE_NOOP("Draft_Edit", "Edits the active object")}
#---------------------------------------------------------------------------
# MAIN FUNCTIONS
#---------------------------------------------------------------------------
def Activated(self):
if self.running: self.finish()
DraftTools.Modifier.Activated(self,"Edit")
if not FreeCAD.ActiveDocument: self.finish()
self.ui = FreeCADGui.draftToolBar
self.view = Draft.get3DView()
if FreeCADGui.Selection.getSelection():
self.proceed()
else:
self.ui.selectUi()
FreeCAD.Console.PrintMessage(translate("draft", "Select a Draft object to edit")+"\n")
self.register_selection_callback()
def proceed(self):
"this method defines editpoints and set the editTrackers"
self.unregister_selection_callback()
self.obj = self.getObjFromSelection()
if not self.obj: return self.finish()
# store selectable state of the object TODO: Separate function
if hasattr(self.obj.ViewObject,"Selectable"):
self.selectstate = self.obj.ViewObject.Selectable
self.obj.ViewObject.Selectable = False
# start object editing
FreeCADGui.Selection.clearSelection()
self.editing = None
self.editpoints = []
self.arc3Pt = True # TODO: Find a more elegant way
FreeCADGui.Snapper.setSelectMode(True)
self.ui.editUi()
self.setPlacement(self.obj)
self.setEditPoints(self.obj)
if self.editpoints: # set trackers and align plane
self.setTrackers()
# set plane tracker to match edited object
FreeCAD.DraftWorkingPlane.save()
self.alignWorkingPlane()
self.editpoints = []
self.register_editing_callbacks()#register action callback
else:
FreeCAD.Console.PrintWarning(translate("draft", "No edit point found for selected object")+"\n")
self.finish()
return
def finish(self,closed=False):
"terminates Edit Tool"
self.unregister_selection_callback()
self.unregister_editing_callbacks()
FreeCADGui.Snapper.setSelectMode(False)
self.finalizeGhost()
if self.obj and closed:
if "Closed" in self.obj.PropertiesList:
if not self.obj.Closed:
self.obj.Closed = True
if self.ui: self.removeTrackers()
if self.obj:
if hasattr(self.obj.ViewObject,"Selectable") and (self.selectstate != None):
self.obj.ViewObject.Selectable = self.selectstate
if Draft.getType(self.obj) == "Structure":
if self.originalDisplayMode != None:
self.obj.ViewObject.DisplayMode = self.originalDisplayMode
if self.originalPoints != None:
self.obj.ViewObject.NodeSize = self.originalPoints
if self.originalNodes != None:
self.obj.ViewObject.ShowNodes = self.originalNodes
self.selectstate = None
self.originalDisplayMode = None
self.originalPoints = None
self.originalNodes = None
DraftTools.Modifier.finish(self)
FreeCAD.DraftWorkingPlane.restore()
if FreeCADGui.Snapper.grid: FreeCADGui.Snapper.grid.set()
self.running = False
# delay resetting edit mode otherwise it doesn't happen
from PySide import QtCore
QtCore.QTimer.singleShot(0,FreeCADGui.ActiveDocument.resetEdit)
#---------------------------------------------------------------------------
# SCENE EVENTS CALLBACKS
#---------------------------------------------------------------------------
def register_selection_callback(self):
"register callback for selection when command is launched"
self.unregister_selection_callback()
self.call = self.view.addEventCallback("SoEvent",DraftTools.selectObject)
def unregister_selection_callback(self):
"remove callback for selection if it exhists"
if self.call:
self.view.removeEventCallback("SoEvent",self.call)
self.call = None
def register_editing_callbacks(self):
"register callbacks to use during editing (former action function)"
viewer = FreeCADGui.ActiveDocument.ActiveView.getViewer()
self.render_manager = viewer.getSoRenderManager()
view = FreeCADGui.ActiveDocument.ActiveView
self._keyPressedCB = view.addEventCallbackPivy(
coin.SoKeyboardEvent.getClassTypeId(), self.keyPressed)
self._mouseMovedCB = view.addEventCallbackPivy(
coin.SoLocation2Event.getClassTypeId(), self.mouseMoved)
self._mousePressedCB = view.addEventCallbackPivy(
coin.SoMouseButtonEvent.getClassTypeId(), self.mousePressed)
#FreeCAD.Console.PrintMessage("Draft edit callbacks registered \n")
def unregister_editing_callbacks(self):
"remove callbacks used during editing if they exhist"
view = FreeCADGui.ActiveDocument.ActiveView
if self._keyPressedCB:
view.removeEventCallbackSWIG(coin.SoKeyboardEvent.getClassTypeId(), self._keyPressedCB)
self._keyPressedCB = None
#FreeCAD.Console.PrintMessage("Draft edit keyboard callback unregistered \n")
if self._mouseMovedCB:
view.removeEventCallbackSWIG(coin.SoLocation2Event.getClassTypeId(), self._mouseMovedCB)
self._mouseMovedCB = None
#FreeCAD.Console.PrintMessage("Draft edit location callback unregistered \n")
if self._mousePressedCB:
view.removeEventCallbackSWIG(coin.SoMouseButtonEvent.getClassTypeId(), self._mousePressedCB)
self._mousePressedCB = None
#FreeCAD.Console.PrintMessage("Draft edit mouse button callback unregistered \n")
#---------------------------------------------------------------------------
# SCENE EVENT HANDLERS
#---------------------------------------------------------------------------
def keyPressed(self, event_callback):
"keyboard event handler"
#TODO: Get the keys from preferences
event = event_callback.getEvent()
if event.getState() == coin.SoKeyboardEvent.DOWN:
key = event.getKey()
#FreeCAD.Console.PrintMessage("pressed key : "+str(key)+"\n")
if key == 65307: # ESC
if self.editing == None: self.finish()
else:
self.finalizeGhost()
self.editpoints = []
self.setEditPoints(self.obj)
self.resetTrackers()
if key == 97: # "a"
self.finish()
if key == 111: # "o"
self.finish(closed=True)
if key == 105: # "i"
if Draft.getType(self.obj) == "Circle": self.arcInvert()
def mousePressed(self, event_callback):
"mouse button event handler, calls: startEditing, endEditing, addPoint, delPoint"
event = event_callback.getEvent()
if event.getTypeId().getName() != "SoMouseButtonEvent": return
if (event.getState() == coin.SoMouseButtonEvent.DOWN and
event.getButton() == event.BUTTON1):#left click
if self.ui.addButton.isChecked():
self.addPoint(event)
return
if self.ui.delButton.isChecked():
self.delPoint(self.obj, event)
return
if Draft.getType(self.obj) == "BezCurve":
pos = event.getPosition()
if self.ui.sharpButton.isChecked():
return self.smoothBezPoint(self.getEditNodeIndex(pos), 'Sharp')
elif self.ui.tangentButton.isChecked():
return self.smoothBezPoint(self.getEditNodeIndex(pos), 'Tangent')
elif self.ui.symmetricButton.isChecked():
return self.smoothBezPoint(self.getEditNodeIndex(pos), 'Symmetric')
if self.editing == None:
self.startEditing(event)
else:
self.endEditing()
def mouseMoved(self, event_callback):
"mouse moved event handler, update tracker position and update preview ghost"
event = event_callback.getEvent()
if self.editing != None:
self.updateTrackerAndGhost(event)
else:
# TODO add preselection color change for trackers
pass
def startEditing(self, event):
"start editing selected EditNode"
pos = event.getPosition()
ep = self.getEditNodeIndex(pos)
if ep == None:
#FreeCAD.Console.PrintMessage("Node not found\n")
return
FreeCAD.Console.PrintMessage(str("Editing node: n° ")+str(ep)+"\n")
self.ui.pointUi()
self.ui.isRelative.show()
self.editing = ep
self.trackers[self.editing].off()
self.finalizeGhost()
self.ghost = self.initGhost(self.obj)
self.node.append(self.trackers[self.editing].get())
FreeCADGui.Snapper.setSelectMode(False)
def updateTrackerAndGhost(self, event):
"updates tracker position when editing and update ghost"
pos = event.getPosition().getValue()
orthoConstrain = False
if event.wasShiftDown() == 1: orthoConstrain = True
snappedPos = FreeCADGui.Snapper.snap((pos[0],pos[1]),self.node[-1], constrain=orthoConstrain)
self.trackers[self.editing].set(snappedPos)
self.ui.displayPoint(snappedPos,self.node[-1])
if self.ghost: self.updateGhost(obj=self.obj,idx=self.editing,pt=snappedPos)
def endEditing(self):
"terminate editing and start object updating process"
self.finalizeGhost()
self.trackers[self.editing].on()
#if hasattr(self.obj.ViewObject,"Selectable"):
# self.obj.ViewObject.Selectable = True
FreeCADGui.Snapper.setSelectMode(True)
self.numericInput(self.trackers[self.editing].get())
DraftTools.redraw3DView()
#---------------------------------------------------------------------------
# UTILS
#---------------------------------------------------------------------------
def getObjFromSelection(self):
"evaluate selection and returns a valid object to edit"
selection = FreeCADGui.Selection.getSelection()
if len(selection) != 1:
FreeCAD.Console.PrintMessage(translate("draft", "Please select exactly one object")+"\n")
return None
if "Proxy" in selection[0].PropertiesList and hasattr(selection[0].Proxy,"Type"):
if Draft.getType(selection[0]) in self.supportedObjs:
return selection[0]
else:
try:
if Draft.getType(selection[0]) in self.supportedPartObjs and selection[0].TypeId in self.supportedPartObjs:
return selection[0]
except:
pass
FreeCAD.Console.PrintWarning(translate("draft", "This object is not editable")+"\n")
return None
def numericInput(self,v,numy=None,numz=None):
'''this function gets called by the toolbar
or by the mouse click and activate the update function'''
if (numy != None):
v = Vector(v,numy,numz)
self.update(v)
FreeCAD.ActiveDocument.recompute()
self.editing = None
self.ui.editUi(self.ui.lastMode)
self.node = []
def setPlacement(self,obj):
"set self.pl and self.invpl to self.obj placement and inverse placement"
if "Placement" in obj.PropertiesList:
self.pl = obj.Placement
self.invpl = self.pl.inverse()
def alignWorkingPlane(self):
"align working plane to self.obj"
if "Shape" in self.obj.PropertiesList:
if DraftTools.plane.weak:
DraftTools.plane.alignToFace(self.obj.Shape)
if self.planetrack:
self.planetrack.set(self.editpoints[0])
def getEditNodeIndex(self, pos):
"get edit node index from given screen position"
ep = self.sendRay(pos)
return ep
def sendRay(self, mouse_pos):
"sends a ray trough the scene and return the nearest entity"
ray_pick = coin.SoRayPickAction(self.render_manager.getViewportRegion())
ray_pick.setPoint(coin.SbVec2s(*mouse_pos))
ray_pick.setRadius(self.pick_radius)
ray_pick.setPickAll(True)
ray_pick.apply(self.render_manager.getSceneGraph())
picked_point = ray_pick.getPickedPointList()
return self.searchEditNode(picked_point)
def searchEditNode(self, picked_point):
"search edit node inside picked point list and retrurn node number"
for point in picked_point:
path = point.getPath()
length = path.getLength()
point = path.getNode(length - 2)
import DraftTrackers
if hasattr(point,"subElementName"):
subElement = str(point.subElementName.getValue())
if 'EditNode' in subElement:
ep = int(subElement[8:])
#doc = FreeCAD.getDocument(str(point.documentName.getValue()))
#self.obj = doc.getObject(str(point.objectName.getValue()))
return ep
#FreeCAD.Console.PrintMessage(str(self.obj)+str(ep)+"\n")
return None
#---------------------------------------------------------------------------
# EDIT TRACKERS functions
#---------------------------------------------------------------------------
def setTrackers(self):
"set Edit Trackers for editpoints collected from self.obj"
self.trackers = []
if Draft.getType(self.obj) == "BezCurve":
self.resetTrackersBezier()
else:
for ep in range(len(self.editpoints)):
self.trackers.append(editTracker(pos=self.editpoints[ep],name=self.obj.Name,idx=ep))
def resetTrackers(self):
"reset Edit Trackers and set them again"
self.removeTrackers()
self.setTrackers()
def removeTrackers(self):
"reset Edit Trackers and set them again"
if self.trackers:
for t in self.trackers:
t.finalize()
self.trackers = []
def hideTrackers(self):
"hide Edit Trackers"
for t in self.trackers:
t.off()
def showTrackers(self):
"show Edit Trackers"
for t in self.trackers:
t.on()
#---------------------------------------------------------------------------
# PREVIEW
#---------------------------------------------------------------------------
def initGhost(self,obj):
"initialize preview ghost"
if Draft.getType(obj) == "Wire":
return wireTracker(obj.Shape)
elif Draft.getType(obj) == "BSpline":
return bsplineTracker()
elif Draft.getType(obj) == "BezCurve":
return bezcurveTracker()
elif Draft.getType(obj) == "Circle":
return arcTracker()
def updateGhost(self,obj,idx,pt):
if Draft.getType(obj) in ["Wire"]:
self.ghost.on()
pointList = self.applyPlacement(obj.Points)
pointList[idx] = pt
if obj.Closed: pointList.append(pointList[0])
self.ghost.updateFromPointlist(pointList)
elif Draft.getType(obj) == "BSpline":
self.ghost.on()
pointList = self.applyPlacement(obj.Points)
pointList[idx] = pt
if obj.Closed: pointList.append(pointList[0])
self.ghost.update(pointList)
elif Draft.getType(obj) == "BezCurve":
self.ghost.on()
plist = self.applyPlacement(obj.Points)
pointList = self.recomputePointsBezier(plist,idx,pt,obj.Degree,moveTrackers=True)
self.ghost.update(pointList,obj.Degree)
elif Draft.getType(obj) == "Circle":
self.ghost.on()
self.ghost.setCenter(obj.Placement.Base)
self.ghost.setRadius(obj.Radius)
if self.obj.FirstAngle == self.obj.LastAngle:#self.obj is a circle
self.ghost.circle = True
if self.editing == 0: self.ghost.setCenter(pt)
elif self.editing == 1:
radius = pt.sub(obj.Placement.Base).Length
self.ghost.setRadius(radius)
else:
if self.arc3Pt == False:
self.ghost.setStartAngle(math.radians(obj.FirstAngle))
self.ghost.setEndAngle(math.radians(obj.LastAngle))
if self.editing == 0:
self.ghost.setCenter(pt)
elif self.editing == 1:
self.ghost.setStartPoint(pt)
elif self.editing == 2:
self.ghost.setEndPoint(pt)
elif self.editing == 3:
self.ghost.setRadius(self.invpl.multVec(pt).Length)
elif self.arc3Pt == True:
if self.editing == 0:#center point
import DraftVecUtils
p1 = self.invpl.multVec(self.obj.Shape.Vertexes[0].Point)
p2 = self.invpl.multVec(self.obj.Shape.Vertexes[1].Point)
p0 = DraftVecUtils.project(self.invpl.multVec(pt),self.invpl.multVec(self.getArcMid()))
self.ghost.autoinvert=False
self.ghost.setRadius(p1.sub(p0).Length)
self.ghost.setStartPoint(self.obj.Shape.Vertexes[1].Point)
self.ghost.setEndPoint(self.obj.Shape.Vertexes[0].Point)
self.ghost.setCenter(self.pl.multVec(p0))
return
else:
p1=self.obj.Shape.Vertexes[0].Point
p2=self.getArcMid()
p3=self.obj.Shape.Vertexes[1].Point
if self.editing == 1: p1=pt
elif self.editing == 3: p2=pt
elif self.editing == 2: p3=pt
self.ghost.setBy3Points(p1,p2,p3)
DraftTools.redraw3DView()
def applyPlacement(self,pointList):
if self.pl:
plist =[]
for p in pointList:
point = self.pl.multVec(p)
plist.append(point)
return plist
else: return pointList
def finalizeGhost(self):
try:
self.ghost.finalize()
self.ghost = None
except: return
#---------------------------------------------------------------------------
# EDIT OBJECT TOOLS : Add/Delete Vertexes
#---------------------------------------------------------------------------
def addPoint(self,event):
"called by action, add point to obj and reset trackers"
if not (Draft.getType(self.obj) in ["Wire","BSpline","BezCurve"]): return
pos = event.getPosition()
selobjs = FreeCADGui.ActiveDocument.ActiveView.getObjectsInfo((pos[0],pos[1]))
if not selobjs: return
for info in selobjs:
if not info: return
if self.obj.Name != info["Object"]: continue
if Draft.getType(self.obj) == "Wire" and 'Edge' in info["Component"]:
pt = FreeCAD.Vector(info["x"],info["y"],info["z"])
self.addPointToWire(pt, int(info["Component"][4:]))
elif Draft.getType(self.obj) in ["BSpline","BezCurve"]: #to fix double vertex created
#pt = self.point
if "x" in info:# prefer "real" 3D location over working-plane-driven one if possible
pt = FreeCAD.Vector(info["x"],info["y"],info["z"])
else: continue
self.addPointToCurve(pt,info)
self.obj.recompute()
self.editpoints = []
self.setEditPoints(self.obj)
self.resetTrackers()
return
def addPointToWire(self, newPoint, edgeIndex):
newPoints = []
hasAddedPoint = False
for index, point in enumerate(self.obj.Points):
if index == edgeIndex:
hasAddedPoint = True
newPoints.append(self.invpl.multVec(newPoint))
newPoints.append(point)
if not hasAddedPoint:
newPoints.append(point)
self.obj.Points = newPoints
def addPointToCurve(self,point,info=None):
import Part
if not (Draft.getType(self.obj) in ["BSpline","BezCurve"]): return
pts = self.obj.Points
if Draft.getType(self.obj) == "BezCurve":
if not info['Component'].startswith('Edge'):
return # clicked control point
edgeindex = int(info['Component'].lstrip('Edge'))-1
wire=self.obj.Shape.Wires[0]
bz=wire.Edges[edgeindex].Curve
param=bz.parameter(point)
seg1=wire.Edges[edgeindex].copy().Curve
seg2=wire.Edges[edgeindex].copy().Curve
seg1.segment(seg1.FirstParameter,param)
seg2.segment(param,seg2.LastParameter)
if edgeindex == len(wire.Edges):
#we hit the last segment, we need to fix the degree
degree=wire.Edges[0].Curve.Degree
seg1.increase(degree)
seg2.increase(degree)
edges=wire.Edges[0:edgeindex]+[Part.Edge(seg1),Part.Edge(seg2)]\
+ wire.Edges[edgeindex+1:]
pts = edges[0].Curve.getPoles()[0:1]
for edge in edges:
pts.extend(edge.Curve.getPoles()[1:])
if self.obj.Closed:
pts.pop()
c=self.obj.Continuity
# assume we have a tangent continuity for an arbitrarily split
# segment, unless it's linear
cont = 1 if (self.obj.Degree >= 2) else 0
self.obj.Continuity = c[0:edgeindex]+[cont]+c[edgeindex:]
else:
if (Draft.getType(self.obj) in ["BSpline"]):
if (self.obj.Closed == True):
curve = self.obj.Shape.Edges[0].Curve
else:
curve = self.obj.Shape.Curve
uNewPoint = curve.parameter(point)
uPoints = []
for p in self.obj.Points:
uPoints.append(curve.parameter(p))
for i in range(len(uPoints)-1):
if ( uNewPoint > uPoints[i] ) and ( uNewPoint < uPoints[i+1] ):
pts.insert(i+1, self.invpl.multVec(point))
break
# DNC: fix: add points to last segment if curve is closed
if ( self.obj.Closed ) and ( uNewPoint > uPoints[-1] ) :
pts.append(self.invpl.multVec(point))
self.obj.Points = pts
def delPoint(self,obj,event):
if not (Draft.getType(obj) in ["Wire","BSpline","BezCurve"]): return
if len(obj.Points) <= 2: return FreeCAD.Console.PrintWarning(
translate("draft", "Active object must have more than two points/nodes")+"\n")
pos = event.getPosition()
ep = self.getEditNodeIndex(pos)
if ep == None: return FreeCAD.Console.PrintWarning(
translate("draft", "Node not found\n"))
pts = obj.Points
pts.pop(ep)
self.obj.Points = pts
if Draft.getType(obj) =="BezCurve":
self.obj.Proxy.resetcontinuity(obj)
obj.recompute()
# don't do tan/sym on DWire/BSpline!
self.editpoints = []
self.setEditPoints(self.obj)
self.resetTrackers()
#---------------------------------------------------------------------------
# EDIT OBJECT TOOLS : GENERAL
#---------------------------------------------------------------------------
def setEditPoints(self,obj):
"calculate edit point position from given object and append to self.edipoints"
objectType = Draft.getType(obj)
if objectType == "Wall":
# setWallPts can change self.obj to self.obj.Base, so better
# to place it at the beginning
self.setWallPts()
if objectType in ["Wire","BSpline"]:
self.ui.editUi("Wire")
self.setWirePts(obj)
elif objectType == "BezCurve":
self.ui.editUi("BezCurve")
self.setWirePts(obj)
elif objectType == "Circle":
self.setCirclePts()
elif objectType == "Rectangle":
self.setRectanglePts()
elif objectType == "Polygon":
self.setPolygonPts()
elif objectType == "Dimension":
self.setDimensionPts()
elif objectType == "Window":
self.setWindowPts()
elif objectType == "Space":
self.setSpacePts()
elif objectType == "Structure":
self.setStructurePts()
elif objectType == "PanelCut":
self.setPanelCutPts()
elif objectType == "PanelSheet":
self.setPanelSheetPts()
elif objectType == "Part" and obj.TypeId == "Part::Box":
self.setPartBoxPts()
elif objectType == "Part::Line" and obj.TypeId == "Part::Line":
self.setPartLinePts()
def update(self,v):
"apply the vector to the modified point and update self.obj"
localVector = self.invpl.multVec(v) #subtract placement from edit vector, to be completed
FreeCAD.ActiveDocument.openTransaction("Edit")
if Draft.getType(self.obj) in ["Wire","BSpline"]: self.updateWire(localVector)
elif Draft.getType(self.obj) == "BezCurve": self.updateWire(localVector)
elif Draft.getType(self.obj) == "Circle": self.updateCircle(v)
elif Draft.getType(self.obj) == "Rectangle": self.updateRectangle(v)
elif Draft.getType(self.obj) == "Polygon": self.updatePolygon(v)
elif Draft.getType(self.obj) == "Dimension": self.updateDimension(v)
elif Draft.getType(self.obj) == "Wall": self.updateWall(v)
elif Draft.getType(self.obj) == "Window": self.updateWindow(v)
elif Draft.getType(self.obj) == "Space": self.updateSpace(v)
elif Draft.getType(self.obj) == "Structure": self.updateStructure(v)
elif Draft.getType(self.obj) == "PanelCut": self.updatePanelCut(v)
elif Draft.getType(self.obj) == "PanelSheet": self.updatePanelSheet(v)
elif Draft.getType(self.obj) == "Part::Line" and self.obj.TypeId == "Part::Line": self.updatePartLine(v)
elif Draft.getType(self.obj) == "Part" and self.obj.TypeId == "Part::Box": self.updatePartBox(v)
FreeCAD.ActiveDocument.commitTransaction()
try:
FreeCADGui.ActiveDocument.ActiveView.redraw()
except AttributeError as err:
pass
#---------------------------------------------------------------------------
# EDIT OBJECT TOOLS : Line/Wire/Bspline/Bezcurve
#---------------------------------------------------------------------------
def setWirePts(self,obj):
for p in obj.Points:
if self.pl: p = self.pl.multVec(p)
self.editpoints.append(p)
def updateWire(self,v):
pts = self.obj.Points
editPnt = v#self.invpl.multVec(v)
# DNC: allows to close the curve by placing ends close to each other
tol = 0.001
if ( ( self.editing == 0 ) and ( (editPnt - pts[-1]).Length < tol) ) or ( self.editing == len(pts) - 1 ) and ( (editPnt - pts[0]).Length < tol):
self.obj.Closed = True
# DNC: fix error message if edited point coincides with one of the existing points
if ( editPnt in pts ) == True: # checks if point enter is equal to other, this could cause a OCC problem
FreeCAD.Console.PrintMessage(translate("draft", "Is not possible to have two coincident points in this object, please try again.")+"\n")
if Draft.getType(self.obj) in ["BezCurve"]: self.resetTrackers()
else: self.trackers[self.editing].set(self.pl.multVec(self.obj.Points[self.editing]))
return
if Draft.getType(self.obj) in ["BezCurve"]:
pts = self.recomputePointsBezier(pts,self.editing,v,self.obj.Degree,moveTrackers=False)
# check that the new point lies on the plane of the wire
import DraftGeomUtils, DraftVecUtils
if self.obj.Closed:
n = DraftGeomUtils.getNormal(self.obj.Shape)
dv = editPnt.sub(pts[self.editing])
rn = DraftVecUtils.project(dv,n)
if dv.Length:
editPnt = editPnt.add(rn.negative())
pts[self.editing] = editPnt
self.obj.Points = pts
self.trackers[self.editing].set(self.pl.multVec(v))
def recomputePointsBezier(self,pts,idx,v,degree,moveTrackers=True):
"Point list, index of changed point, vector of new point, move trackers; return the new point list"
editPnt = v#self.invpl.multVec(v)
# DNC: allows to close the curve by placing ends close to each other
tol = 0.001
if ( ( idx == 0 ) and ( (editPnt - pts[-1]).Length < tol) ) or ( idx == len(pts) - 1 ) and ( (editPnt - pts[0]).Length < tol):
self.obj.Closed = True
# DNC: fix error message if edited point coincides with one of the existing points
#if ( editPnt in pts ) == False:
knot = None
ispole = idx % degree
if ispole == 0: #knot
if degree >=3:
if idx >= 1: #move left pole
knotidx = idx if idx < len(pts) else 0
pts[idx-1] = pts[idx-1] + editPnt - pts[knotidx]
if moveTrackers: self.trackers[idx-1].set(pts[idx-1])
if idx < len(pts)-1: #move right pole
pts[idx+1] = pts[idx+1] + editPnt - pts[idx]
if moveTrackers: self.trackers[idx+1].set(pts[idx+1])
if idx == 0 and self.obj.Closed: # move last pole
pts[-1] = pts [-1] + editPnt -pts[idx]
if moveTrackers: self.trackers[-1].set(pts[-1])
elif ispole == 1 and (idx >=2 or self.obj.Closed): #right pole
knot = idx -1
changep = idx -2 # -1 in case of closed curve
elif ispole == degree-1 and idx <= len(pts)-3: #left pole
knot = idx +1
changep = idx +2
elif ispole == degree-1 and self.obj.Closed and idx == len(pts)-1: #last pole
knot = 0
changep = 1
if knot is not None: # we need to modify the opposite pole
segment = int(knot / degree) -1
cont=self.obj.Continuity[segment] if \
len(self.obj.Continuity) > segment else 0
if cont == 1: #tangent
pts[changep] = self.obj.Proxy.modifytangentpole(\
pts[knot],editPnt,pts[changep])
if moveTrackers: self.trackers[changep].set(pts[changep])
elif cont ==2: #symmetric
pts[changep] = self.obj.Proxy.modifysymmetricpole(\
pts[knot],editPnt)
if moveTrackers: self.trackers[changep].set(pts[changep])
pts[idx]=v
return pts #returns the list of new points, taking into account knot continuity
def resetTrackersBezier(self):
#in future move tracker definition to DraftTrackers
from pivy import coin
knotmarkers = (coin.SoMarkerSet.DIAMOND_FILLED_9_9,#sharp
coin.SoMarkerSet.SQUARE_FILLED_9_9, #tangent
coin.SoMarkerSet.HOURGLASS_FILLED_9_9) #symmetric
polemarker = coin.SoMarkerSet.CIRCLE_FILLED_9_9 #pole
self.trackers=[]
cont=self.obj.Continuity
firstknotcont = cont[-1] if (self.obj.Closed and cont) else 0
pointswithmarkers=[(self.obj.Shape.Edges[0].Curve.\
getPole(1),knotmarkers[firstknotcont])]
for edgeindex, edge in enumerate(self.obj.Shape.Edges):
poles=edge.Curve.getPoles()
pointswithmarkers.extend([(point,polemarker) for \
point in poles[1:-1]])
if not self.obj.Closed or len(self.obj.Shape.Edges) > edgeindex +1:
knotmarkeri=cont[edgeindex] if len(cont) > edgeindex else 0
pointswithmarkers.append((poles[-1],knotmarkers[knotmarkeri]))
for index,pwm in enumerate(pointswithmarkers):
p,marker=pwm
#if self.pl: p = self.pl.multVec(p)
self.trackers.append(editTracker(p,self.obj.Name,\
index,self.obj.ViewObject.LineColor,\
marker=marker))
def smoothBezPoint(self, point, style='Symmetric'):
"called when changing the continuity of a knot"
style2cont = {'Sharp':0,'Tangent':1,'Symmetric':2}
if point == None: return
if not (Draft.getType(self.obj) == "BezCurve"):return
pts = self.obj.Points
deg = self.obj.Degree
if deg < 2: return
if point % deg != 0: #point is a pole
if deg >=3: #allow to select poles
if (point % deg == 1) and (point > 2 or self.obj.Closed): #right pole
knot = point -1
keepp = point
changep = point -2
elif point < len(pts) -3 and point % deg == deg -1: #left pole
knot = point +1
keepp = point
changep = point +2
elif point == len(pts)-1 and self.obj.Closed: #last pole
# if the curve is closed the last pole has the last
# index in the points lists
knot = 0
keepp = point
changep = 1
else:
FreeCAD.Console.PrintWarning(translate("draft", "Can't change Knot belonging to pole %d"%point)+"\n")
return
if knot:
if style == 'Tangent':
pts[changep] = self.obj.Proxy.modifytangentpole(\
pts[knot],pts[keepp],pts[changep])
elif style == 'Symmetric':
pts[changep] = self.obj.Proxy.modifysymmetricpole(\
pts[knot],pts[keepp])
else: #sharp
pass #
else:
FreeCAD.Console.PrintWarning(translate("draft", "Selection is not a Knot\n"))
return
else: #point is a knot
if style == 'Sharp':
if self.obj.Closed and point == len(pts)-1:
knot = 0
else:
knot = point
elif style == 'Tangent' and point > 0 and point < len(pts)-1:
prev, next = self.obj.Proxy.tangentpoles(pts[point],pts[point-1],pts[point+1])
pts[point-1] = prev
pts[point+1] = next
knot = point #index for continuity
elif style == 'Symmetric' and point > 0 and point < len(pts)-1:
prev, next = self.obj.Proxy.symmetricpoles(pts[point],pts[point-1],pts[point+1])
pts[point-1] = prev
pts[point+1] = next
knot = point #index for continuity
elif self.obj.Closed and (style == 'Symmetric' or style == 'Tangent'):
if style == 'Tangent':
pts[1],pts[-1] = self.obj.Proxy.tangentpoles(pts[0],pts[1],pts[-1])
elif style == 'Symmetric':
pts[1],pts[-1] = self.obj.Proxy.symmetricpoles(pts[0],pts[1],pts[-1])
knot = 0
else:
FreeCAD.Console.PrintWarning(translate("draft", "Endpoint of BezCurve can't be smoothed")+"\n")
return
segment = knot // deg #segment index
newcont=self.obj.Continuity[:] #don't edit a property inplace !!!
if not self.obj.Closed and (len(self.obj.Continuity) == segment -1 or \
segment == 0) : pass # open curve
elif len(self.obj.Continuity) >= segment or \
self.obj.Closed and segment == 0 and \
len(self.obj.Continuity) >1:
newcont[segment-1] = style2cont.get(style)
else: #should not happen
FreeCAD.Console.PrintWarning('Continuity indexing error:'+\
'point:%d deg:%d len(cont):%d' % (knot,deg,\
len(self.obj.Continuity)))
self.obj.Points = pts
self.obj.Continuity=newcont
self.resetTrackers()
#---------------------------------------------------------------------------
# EDIT OBJECT TOOLS : Rectangle
#---------------------------------------------------------------------------
def setRectanglePts(self):
self.editpoints.append(self.obj.Placement.Base)
self.editpoints.append(self.obj.Shape.Vertexes[2].Point)
v = self.obj.Shape.Vertexes
self.bx = v[1].Point.sub(v[0].Point)
if self.obj.Length < 0:
self.bx = self.bx.negative()
self.by = v[2].Point.sub(v[1].Point)
if self.obj.Height < 0:
self.by = self.by.negative()
def updateRectangle(self,v):
import DraftVecUtils
delta = v.sub(self.obj.Placement.Base)
if self.editing == 0:
p = self.obj.Placement
p.move(delta)
self.obj.Placement = p
elif self.editing == 1:
diag = v.sub(self.obj.Placement.Base)
nx = DraftVecUtils.project(diag,self.bx)
ny = DraftVecUtils.project(diag,self.by)
ax = nx.Length
ay = ny.Length
if ax and ay:
if abs(nx.getAngle(self.bx)) > 0.1:
ax = -ax
if abs(ny.getAngle(self.by)) > 0.1:
ay = -ay
self.obj.Length = ax
self.obj.Height = ay
self.obj.recompute()
self.trackers[0].set(self.obj.Placement.Base)
self.trackers[1].set(self.obj.Shape.Vertexes[2].Point)
#---------------------------------------------------------------------------
# EDIT OBJECT TOOLS : Ellipse (yet to be implemented)
#---------------------------------------------------------------------------
def setEllipsePts(self):
return
def updateEllipse(self,v):
return
#---------------------------------------------------------------------------
# EDIT OBJECT TOOLS : Circle/Arc
#---------------------------------------------------------------------------
def setCirclePts(self):
self.editpoints.append(self.obj.Placement.Base)
if self.obj.FirstAngle == self.obj.LastAngle:#self.obj is a circle
self.ui.editUi("Circle")
self.editpoints.append(self.obj.Shape.Vertexes[0].Point)
else:#self.obj is an arc
self.ui.editUi("Arc")
self.editpoints.append(self.obj.Shape.Vertexes[0].Point)#First endpoint
self.editpoints.append(self.obj.Shape.Vertexes[1].Point)#Second endpoint
self.editpoints.append(self.getArcMid())#Midpoint
return
def updateCirclePts(self,ep1=1,ep2=1,ep3=1,ep4=1):
self.obj.recompute()
if ep1 == 1:
self.trackers[0].set(self.obj.Placement.Base)
if ep2 == 1:
self.trackers[1].set(self.obj.Shape.Vertexes[0].Point)
if ep3 == 1:
self.trackers[2].set(self.obj.Shape.Vertexes[1].Point)
if ep4 == 1:
self.trackers[3].set(self.getArcMid())
def updateCircle(self,v):
delta = self.invpl.multVec(v)
if self.obj.FirstAngle == self.obj.LastAngle:# object is a circle
if self.editing == 0:
p = self.obj.Placement
p.move(delta)
self.obj.Placement = p
self.setPlacement(self.obj)
self.updateCirclePts(0,1,0,0)
if self.editing == 1:
self.obj.Radius = delta.Length
self.updateCirclePts(0,0,0,0)
else:#self.obj is an arc
if self.arc3Pt == False:#edit by center radius FirstAngle LastAngle
#deltaX = v[0]-self.obj.Placement.Base[0]
#deltaY = v[1]-self.obj.Placement.Base[1]
dangle = math.degrees(math.atan2(delta[1],delta[0]))
if self.editing == 0:
p = self.obj.Placement
p.move(delta)
self.obj.Placement = p
self.setPlacement(self.obj)
self.updateCirclePts(0,1,1,1)
elif self.editing == 1:
self.obj.FirstAngle=dangle
self.obj.recompute()
self.updateCirclePts(0,1,0,1)