125 lines
5.6 KiB
Python
125 lines
5.6 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2023 edi <edi271@a1.net> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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"""Provides the TechDraw AxoLengthDimension GuiCommand."""
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__title__ = "TechDrawTools.CommandAxoLengthDimension"
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__author__ = "edi"
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__url__ = "https://www.freecadweb.org"
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__version__ = "00.01"
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__date__ = "2023/02/01"
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from PySide.QtCore import QT_TRANSLATE_NOOP
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import FreeCAD as App
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import FreeCADGui as Gui
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import TechDrawTools
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import TechDraw
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from math import degrees
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class CommandAxoLengthDimension:
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"""Creates a 3D length dimension."""
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def __init__(self):
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"""Initialize variables for the command that must exist at all times."""
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pass
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def GetResources(self):
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"""Return a dictionary with data that will be used by the button or menu item."""
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return {'Pixmap': 'actions/TechDraw_AxoLengthDimension.svg',
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'Accel': "",
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'MenuText': QT_TRANSLATE_NOOP("TechDraw_AxoLengthDimension", "Axonometric length dimension"),
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'ToolTip': QT_TRANSLATE_NOOP("TechDraw_AxoLengthDimension", "Create an axonometric length dimension<br>\
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- select first edge to define direction and length of the dimension line<br>\
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- select second edge to define the direction of the extension lines<br>\
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- optional: select two more vertexes which define the measurement instead of the length<br>\
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of the first selected edge")}
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def Activated(self):
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"""Run the following code when the command is activated (button press)."""
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if self.selectionTest():
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(edges,vertexes) = self.selectionTest()
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view = Gui.Selection.getSelection()[0]
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StartPt, EndPt = edges[1].Vertexes[0].Point, edges[1].Vertexes[1].Point
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extLineVec = EndPt.sub(StartPt)
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StartPt, EndPt = edges[0].Vertexes[0].Point, edges[0].Vertexes[1].Point
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dimLineVec = EndPt.sub(StartPt)
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xAxis = App.Vector(1,0,0)
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extAngle = degrees(extLineVec.getAngle(xAxis))
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lineAngle = degrees(dimLineVec.getAngle(xAxis))
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if extLineVec.y < 0.0:
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extAngle = 180-extAngle
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if dimLineVec.y < 0.0:
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lineAngle = 180-lineAngle
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if abs(extAngle-lineAngle)>0.1:
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distanceDim=TechDraw.makeDistanceDim(view,'Distance',vertexes[0].Point,vertexes[1].Point)
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distanceDim.AngleOverride = True
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distanceDim.LineAngle = lineAngle
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distanceDim.ExtensionAngle = extAngle
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distanceDim.X = (vertexes[0].Point.x+vertexes[1].Point.x)/2
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distanceDim.Y = (vertexes[0].Point.y+vertexes[1].Point.y)/2
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distanceDim.recompute()
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view.requestPaint()
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Gui.Selection.clearSelection()
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def IsActive(self):
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"""Return True when the command should be active or False when it should be disabled (greyed)."""
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if App.ActiveDocument:
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return TechDrawTools.TDToolsUtil.havePage() and TechDrawTools.TDToolsUtil.haveView()
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else:
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return False
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def selectionTest(self):
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'''test correct selection'''
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if not Gui.Selection.getSelection():
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return False
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view = Gui.Selection.getSelection()[0]
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if not Gui.Selection.getSelectionEx():
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return False
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objectList = Gui.Selection.getSelectionEx()[0].SubElementNames
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if not len(objectList)>=2:
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return False
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edges = []
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vertexes = []
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for objectString in objectList:
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if objectString[0:4] == 'Edge':
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edges.append(view.getEdgeBySelection(objectString))
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elif objectString[0:6] == 'Vertex':
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vertexes.append(view.getVertexBySelection(objectString))
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if not len(edges) >= 2:
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return False
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if len(vertexes)<2:
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vertexes = []
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vertexes.append(edges[0].Vertexes[0])
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vertexes.append(edges[0].Vertexes[1])
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return(edges,vertexes)
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#
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# The command must be "registered" with a unique name by calling its class.
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Gui.addCommand('TechDraw_AxoLengthDimension', CommandAxoLengthDimension())
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