Draft: gui_snapper.py clean up imports and spaces
Small spacing fixes like imports in separate lines for more clarity. Also use the `OrderedDict` prefixed with the `collections` module.
This commit is contained in:
vocx-fc
@@ -18,26 +18,37 @@
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# * USA *
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# * *
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# ***************************************************************************
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"""Provide the Snapper class to control snapping in the Draft Workbench.
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This module provides tools to handle point snapping and
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everything that goes with it (toolbar buttons, cursor icons, etc.).
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It also creates the Draft grid, which is actually a tracker
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defined by `gui_trackers.gridTracker`.
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"""
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## @package gui_snapper
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# \ingroup DRAFT
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# \brief Snapper class to control snapping in the Draft Workbench.
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#
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# This module provides tools to handle point snapping and
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# everything that goes with it (toolbar buttons, cursor icons, etc.).
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import collections as coll
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import itertools
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import math
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from pivy import coin
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from PySide import QtCore, QtGui
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import FreeCAD
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import FreeCADGui
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import Draft
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import DraftVecUtils
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from FreeCAD import Vector
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import draftguitools.gui_trackers as trackers
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__title__ = "FreeCAD Draft Snap tools"
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__author__ = "Yorik van Havre"
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__url__ = "https://www.freecadweb.org"
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## @package DraftSnap
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# \ingroup DRAFT
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# \brief Snapping system used by Draft & Arch workbenches
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#
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# This module provides tools to handle point snapping and
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# everything that goes with it (toolbar buttons, cursor icons, etc)
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import FreeCAD, FreeCADGui, math, Draft, DraftVecUtils, itertools
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import draftguitools.gui_trackers as trackers
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from collections import OrderedDict
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from FreeCAD import Vector
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from pivy import coin
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from PySide import QtCore, QtGui
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class Snapper:
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"""Classes to manage snapping in Draft and Arch.
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@@ -63,7 +74,7 @@ class Snapper:
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def __init__(self):
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self.activeview = None
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self.lastObj = [None,None]
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self.lastObj = [None, None]
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self.maxEdges = 0
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self.radius = 0
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self.constraintAxis = None
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@@ -71,9 +82,9 @@ class Snapper:
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self.affinity = None
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self.mask = None
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self.cursorMode = None
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if Draft.getParam("maxSnap",0):
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self.maxEdges = Draft.getParam("maxSnapEdges",0)
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self.snapStyle = Draft.getParam("snapStyle",0)
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if Draft.getParam("maxSnap", 0):
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self.maxEdges = Draft.getParam("maxSnapEdges", 0)
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self.snapStyle = Draft.getParam("snapStyle", 0)
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# we still have no 3D view when the draft module initializes
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self.tracker = None
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@@ -90,9 +101,12 @@ class Snapper:
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self.active = True
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self.forceGridOff = False
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self.lastExtensions = []
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# the trackers are stored in lists because there can be several views, each with its own set
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self.trackers = [[],[],[],[],[],[],[],[],[],[]] # view, grid, snap, extline, radius, dim1, dim2, trackLine, extline2, crosstrackers
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self.polarAngles = [90,45]
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# the trackers are stored in lists because there can be several views,
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# each with its own set
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# view, grid, snap, extline, radius, dim1, dim2, trackLine,
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# extline2, crosstrackers
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self.trackers = [[], [], [], [], [], [], [], [], [], []]
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self.polarAngles = [90, 45]
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self.selectMode = False
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self.holdTracker = None
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self.holdPoints = []
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@@ -103,44 +117,45 @@ class Snapper:
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# the snapmarker has "dot","circle" and "square" available styles
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if self.snapStyle:
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self.mk = OrderedDict([('passive', 'empty'),
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('extension', 'empty'),
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('parallel', 'empty'),
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('grid', 'quad'),
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('endpoint', 'quad'),
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('midpoint', 'quad'),
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('perpendicular','quad'),
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('angle', 'quad'),
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('center', 'quad'),
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('ortho', 'quad'),
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('intersection', 'quad'),
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('special', 'quad')])
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self.mk = coll.OrderedDict([('passive', 'empty'),
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('extension', 'empty'),
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('parallel', 'empty'),
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('grid', 'quad'),
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('endpoint', 'quad'),
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('midpoint', 'quad'),
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('perpendicular', 'quad'),
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('angle', 'quad'),
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('center', 'quad'),
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('ortho', 'quad'),
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('intersection', 'quad'),
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('special', 'quad')])
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else:
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self.mk = OrderedDict([('passive', 'circle'),
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('extension', 'circle'),
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('parallel', 'circle'),
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('grid', 'circle'),
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('endpoint', 'dot'),
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('midpoint', 'square'),
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('perpendicular','dot'),
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('angle', 'square'),
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('center', 'dot'),
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('ortho', 'dot'),
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('intersection', 'dot'),
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('special', 'dot')])
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self.mk = coll.OrderedDict([('passive', 'circle'),
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('extension', 'circle'),
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('parallel', 'circle'),
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('grid', 'circle'),
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('endpoint', 'dot'),
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('midpoint', 'square'),
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('perpendicular', 'dot'),
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('angle', 'square'),
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('center', 'dot'),
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('ortho', 'dot'),
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('intersection', 'dot'),
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('special', 'dot')])
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self.cursors = OrderedDict([('passive', ':/icons/Snap_Near.svg'),
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('extension', ':/icons/Snap_Extension.svg'),
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('parallel', ':/icons/Snap_Parallel.svg'),
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('grid', ':/icons/Snap_Grid.svg'),
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('endpoint', ':/icons/Snap_Endpoint.svg'),
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('midpoint', ':/icons/Snap_Midpoint.svg'),
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('perpendicular', ':/icons/Snap_Perpendicular.svg'),
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('angle', ':/icons/Snap_Angle.svg'),
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('center', ':/icons/Snap_Center.svg'),
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('ortho', ':/icons/Snap_Ortho.svg'),
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('intersection', ':/icons/Snap_Intersection.svg'),
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('special', ':/icons/Snap_Special.svg')])
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self.cursors = \
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coll.OrderedDict([('passive', ':/icons/Snap_Near.svg'),
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('extension', ':/icons/Snap_Extension.svg'),
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('parallel', ':/icons/Snap_Parallel.svg'),
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('grid', ':/icons/Snap_Grid.svg'),
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('endpoint', ':/icons/Snap_Endpoint.svg'),
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('midpoint', ':/icons/Snap_Midpoint.svg'),
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('perpendicular', ':/icons/Snap_Perpendicular.svg'),
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('angle', ':/icons/Snap_Angle.svg'),
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('center', ':/icons/Snap_Center.svg'),
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('ortho', ':/icons/Snap_Ortho.svg'),
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('intersection', ':/icons/Snap_Intersection.svg'),
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('special', ':/icons/Snap_Special.svg')])
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def cstr(self, lastpoint, constrain, point):
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"constrains if needed"
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