bed3dd2372
Add view properties of dimensions, labels, and text objects through methods, calling the parent classes, and `ViewProviderDraftAnnotation` when needed.
205 lines
8.7 KiB
Python
205 lines
8.7 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net> *
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# * Copyright (c) 2009, 2010 Ken Cline <cline@frii.com> *
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# * *
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# * This file is part of the FreeCAD CAx development system. *
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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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# * FreeCAD 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 FreeCAD; 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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"""This module provides the Draft Text view provider classes
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"""
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## @package text
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# \ingroup DRAFT
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# \brief This module provides the view provider code for Draft Text.
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import FreeCAD as App
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import DraftVecUtils, DraftGeomUtils
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import math, sys
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from pivy import coin
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from PySide.QtCore import QT_TRANSLATE_NOOP
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import draftutils.utils as utils
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import draftutils.gui_utils as gui_utils
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from draftviewproviders.view_draft_annotation import ViewProviderDraftAnnotation
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class ViewProviderText(ViewProviderDraftAnnotation):
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"""A View Provider for the Draft Text annotation"""
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def __init__(self,vobj):
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super(ViewProviderText, self).__init__(vobj)
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self.set_properties(vobj)
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self.Object = vobj.Object
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vobj.Proxy = self
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def set_properties(self, vobj):
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"""Set the properties only if they don't already exist."""
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super(ViewProviderText, self).set_properties(vobj)
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properties = vobj.PropertiesList
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if "FontSize" not in properties:
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"The size of the text")
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vobj.addProperty("App::PropertyLength",
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"FontSize",
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"Text",
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_tip)
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vobj.FontSize = utils.get_param("textheight", 1)
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if "FontName" not in properties:
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"The font of the text")
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vobj.addProperty("App::PropertyFont",
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"FontName",
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"Text",
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_tip)
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vobj.FontName = utils.get_param("textfont", "sans")
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if "Justification" not in properties:
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"The vertical alignment of the text")
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vobj.addProperty("App::PropertyEnumeration",
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"Justification",
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"Text",
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_tip)
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vobj.Justification = ["Left", "Center", "Right"]
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if "TextColor" not in properties:
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"Text color")
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vobj.addProperty("App::PropertyColor",
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"TextColor",
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"Text",
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_tip)
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if "LineSpacing" not in properties:
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_tip = QT_TRANSLATE_NOOP("App::Property",
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"Line spacing (relative to font size)")
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vobj.addProperty("App::PropertyFloat",
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"LineSpacing",
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"Text",
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_tip)
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def getIcon(self):
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return ":/icons/Draft_Text.svg"
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def claimChildren(self):
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return []
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def attach(self,vobj):
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'''Setup the scene sub-graph of the view provider'''
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# backwards compatibility
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self.ScaleMultiplier = 1.00
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self.mattext = coin.SoMaterial()
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textdrawstyle = coin.SoDrawStyle()
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textdrawstyle.style = coin.SoDrawStyle.FILLED
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self.trans = coin.SoTransform()
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self.font = coin.SoFont()
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self.text2d = coin.SoAsciiText()
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self.text3d = coin.SoText2()
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self.text2d.string = self.text3d.string = "Label" # need to init with something, otherwise, crash!
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self.text2d.justification = coin.SoAsciiText.LEFT
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self.text3d.justification = coin.SoText2.LEFT
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self.node2d = coin.SoGroup()
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self.node2d.addChild(self.trans)
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self.node2d.addChild(self.mattext)
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self.node2d.addChild(textdrawstyle)
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self.node2d.addChild(self.font)
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self.node2d.addChild(self.text2d)
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self.node3d = coin.SoGroup()
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self.node3d.addChild(self.trans)
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self.node3d.addChild(self.mattext)
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self.node3d.addChild(textdrawstyle)
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self.node3d.addChild(self.font)
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self.node3d.addChild(self.text3d)
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vobj.addDisplayMode(self.node2d,"2D text")
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vobj.addDisplayMode(self.node3d,"3D text")
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self.onChanged(vobj,"TextColor")
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self.onChanged(vobj,"FontSize")
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self.onChanged(vobj,"FontName")
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self.onChanged(vobj,"Justification")
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self.onChanged(vobj,"LineSpacing")
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def getDisplayModes(self,vobj):
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return ["2D text","3D text"]
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def setDisplayMode(self,mode):
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return mode
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def updateData(self,obj,prop):
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if prop == "Text":
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if obj.Text:
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if sys.version_info.major >= 3:
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self.text2d.string.setValues([l for l in obj.Text if l])
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self.text3d.string.setValues([l for l in obj.Text if l])
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else:
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self.text2d.string.setValues([l.encode("utf8") for l in obj.Text if l])
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self.text3d.string.setValues([l.encode("utf8") for l in obj.Text if l])
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elif prop == "Placement":
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self.trans.translation.setValue(obj.Placement.Base)
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self.trans.rotation.setValue(obj.Placement.Rotation.Q)
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def onChanged(self,vobj,prop):
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if prop == "ScaleMultiplier":
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if "ScaleMultiplier" in vobj.PropertiesList:
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if vobj.ScaleMultiplier:
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self.ScaleMultiplier = vobj.ScaleMultiplier
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if "FontSize" in vobj.PropertiesList:
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self.font.size = vobj.FontSize.Value * self.ScaleMultiplier
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elif prop == "TextColor":
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if "TextColor" in vobj.PropertiesList:
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l = vobj.TextColor
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self.mattext.diffuseColor.setValue([l[0],l[1],l[2]])
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elif (prop == "FontName"):
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if "FontName" in vobj.PropertiesList:
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self.font.name = vobj.FontName.encode("utf8")
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elif prop == "FontSize":
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if "FontSize" in vobj.PropertiesList:
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self.font.size = vobj.FontSize.Value * self.ScaleMultiplier
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elif prop == "Justification":
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try:
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if getattr(vobj, "Justification", None) is not None:
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if vobj.Justification == "Left":
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self.text2d.justification = coin.SoAsciiText.LEFT
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self.text3d.justification = coin.SoText2.LEFT
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elif vobj.Justification == "Right":
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self.text2d.justification = coin.SoAsciiText.RIGHT
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self.text3d.justification = coin.SoText2.RIGHT
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else:
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self.text2d.justification = coin.SoAsciiText.CENTER
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self.text3d.justification = coin.SoText2.CENTER
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except AssertionError:
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pass # Race condition - Justification enum has not been set yet
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elif prop == "LineSpacing":
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if "LineSpacing" in vobj.PropertiesList:
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self.text2d.spacing = vobj.LineSpacing
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self.text3d.spacing = vobj.LineSpacing
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# Alias for compatibility with v0.18 and earlier
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ViewProviderDraftText = ViewProviderText
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