Files
create/src/Mod/Arch/ArchReference.py
2019-01-22 00:11:11 -02:00

560 lines
20 KiB
Python

#***************************************************************************
#* *
#* Copyright (c) 2018 Yorik van Havre <yorik@uncreated.net> *
#* *
#* 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 Arch External Reference"
__author__ = "Yorik van Havre"
__url__ = "http://www.freecadweb.org"
import FreeCAD,os,zipfile,re,sys
if FreeCAD.GuiUp:
import FreeCADGui
from PySide import QtCore, QtGui
from DraftTools import translate
from PySide.QtCore import QT_TRANSLATE_NOOP
else:
# \cond
def translate(ctxt,txt, utf8_decode=False):
return txt
def QT_TRANSLATE_NOOP(ctxt,txt):
return txt
# \endcond
## @package ArchReference
# \ingroup ARCH
# \brief The Reference object and tools
#
# This module provides tools to build Reference objects.
# References can take a shape from a Part-based object in
# another file.
def makeReference(filepath=None,partname=None,name="External Reference"):
"makeReference([filepath,partname]): Creates an Arch Reference object"
if not FreeCAD.ActiveDocument:
FreeCAD.Console.PrintError("No active document. Aborting\n")
return
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython","ArchReference")
obj.Label = name
ArchReference(obj)
if FreeCAD.GuiUp:
ViewProviderArchReference(obj.ViewObject)
if filepath:
obj.File = filepath
if partname:
obj.Part = partname
import Draft
Draft.select(obj)
return obj
class ArchReference:
"The Arch Reference object"
def __init__(self,obj):
obj.Proxy = self
ArchReference.setProperties(self,obj)
self.Type = "Reference"
self.reload = True
def setProperties(self,obj):
pl = obj.PropertiesList
if not "File" in pl:
obj.addProperty("App::PropertyFile","File","Reference",QT_TRANSLATE_NOOP("App::Property","The base file this component is built upon"))
if not "Part" in pl:
obj.addProperty("App::PropertyString","Part","Reference",QT_TRANSLATE_NOOP("App::Property","The part to use from the base file"))
if not "TransientReference" in pl:
obj.addProperty("App::PropertyBool","TransientReference","Reference",QT_TRANSLATE_NOOP("App::Property","If True, the shape will be discarded when turning visibility off, resulting in a lighter file, but with an additional loading time when turning the object back on"))
self.Type = "Reference"
def onDocumentRestored(self,obj):
ArchReference.setProperties(self,obj)
self.reload = False
def __getstate__(self):
return None
def __setstate__(self,state):
return None
def onChanged(self,obj,prop):
if prop in ["File","Part"]:
self.reload = True
elif prop == "TransientReference":
if obj.TransientReference:
if (not obj.Shape) or obj.Shape.isNull():
self.reload = True
obj.touch()
else:
if obj.ViewObject:
obj.ViewObject.Visibility = False
else:
self.reload = False
import Part
pl = obj.Placement
obj.Shape = Part.Shape()
obj.Placement = pl
def execute(self,obj):
pl = obj.Placement
filename = self.getFile(obj)
if filename and obj.Part and self.reload:
self.parts = self.getPartsList(obj)
if self.parts:
zdoc = zipfile.ZipFile(filename)
if zdoc:
if obj.Part in self.parts:
if self.parts[obj.Part][1] in zdoc.namelist():
f = zdoc.open(self.parts[obj.Part][1])
shapedata = f.read()
f.close()
import Part
shape = Part.Shape()
if sys.version_info.major >= 3:
shapedata = shapedata.decode("utf8")
shape.importBrepFromString(shapedata)
obj.Shape = shape
if not pl.isIdentity():
obj.Placement = pl
else:
print("Part not found in file")
self.reload = False
def getFile(self,obj,filename=None):
"gets a valid file, if possible"
if not filename:
filename = obj.File
if not filename:
return None
if not filename.lower().endswith(".fcstd"):
return None
if not os.path.exists(filename):
# search for the file in the current directory if not found
basename = os.path.basename(filename)
currentdir = os.path.dirname(obj.Document.FileName)
altfile = os.path.join(currentdir,basename)
if altfile == obj.Document.FileName:
return None
elif os.path.exists(altfile):
return altfile
else:
# search for subpaths in current folder
altfile = None
subdirs = splitall(os.path.dirname(filename))
for i in range(len(subdirs)):
subpath = [currentdir]+subdirs[-i:]+[basename]
altfile = os.path.join(*subpath)
if os.path.exists(altfile):
return altfile
return None
return filename
def getPartsList(self,obj,filename=None):
parts = {}
filename = self.getFile(obj,filename)
if not filename:
return parts
zdoc = zipfile.ZipFile(filename)
with zdoc.open("Document.xml") as docf:
name = None
label = None
part = None
writemode = False
for line in docf:
if sys.version_info.major >= 3:
line = line.decode("utf8")
if "<Object name=" in line:
n = re.findall('name=\"(.*?)\"',line)
if n:
name = n[0]
elif "<Property name=\"Label\"" in line:
writemode = True
elif writemode and "<String value=" in line:
n = re.findall('value=\"(.*?)\"',line)
if n:
label = n[0]
writemode = False
elif "<Property name=\"Shape\" type=\"Part::PropertyPartShape\"" in line:
writemode = True
elif writemode and "<Part file=" in line:
n = re.findall('file=\"(.*?)\"',line)
if n:
part = n[0]
writemode = False
if name and label and part:
parts[name] = [label,part]
name = None
label = None
part = None
return parts
def getColors(self,obj):
filename = self.getFile(obj)
if not filename:
return None
part = obj.Part
if not obj.Part:
return None
zdoc = zipfile.ZipFile(filename)
if not "GuiDocument.xml" in zdoc.namelist():
return None
colorfile = None
with zdoc.open("GuiDocument.xml") as docf:
writemode1 = False
writemode2 = False
for line in docf:
if sys.version_info.major >= 3:
line = line.decode("utf8")
if ("<ViewProvider name=" in line) and (part in line):
writemode1 = True
elif writemode1 and ("<Property name=\"DiffuseColor\"" in line):
writemode1 = False
writemode2 = True
elif writemode2 and ("<ColorList file=" in line):
n = re.findall('file=\"(.*?)\"',line)
if n:
colorfile = n[0]
break
if not colorfile:
return None
if not colorfile in zdoc.namelist():
return None
colors = []
cf = zdoc.open(colorfile)
buf = cf.read()
cf.close()
for i in range(1,int(len(buf)/4)):
if sys.version_info.major >= 3:
colors.append((buf[i*4+3]/255.0,buf[i*4+2]/255.0,buf[i*4+1]/255.0,buf[i*4]/255.0))
else:
colors.append((ord(buf[i*4+3])/255.0,ord(buf[i*4+2])/255.0,ord(buf[i*4+1])/255.0,ord(buf[i*4])/255.0))
if colors:
return colors
return None
class ViewProviderArchReference:
"A View Provider for the Arch Reference object"
def __init__(self,vobj):
vobj.Proxy = self
self.setProperties(vobj)
def setProperties(self,vobj):
pl = vobj.PropertiesList
if not "TimeStamp" in pl:
vobj.addProperty("App::PropertyFloat","TimeStamp","Reference",QT_TRANSLATE_NOOP("App::Property","The latest time stamp of the linked file"))
vobj.setEditorMode("TimeStamp",2)
if not "UpdateColors" in pl:
vobj.addProperty("App::PropertyBool","UpdateColors","Reference",QT_TRANSLATE_NOOP("App::Property","If true, the colors from the linked file will be kept updated"))
vobj.UpdateColors = True
def getIcon(self):
import Arch_rc
return ":/icons/Arch_Reference.svg"
def setEdit(self,vobj,mode=0):
taskd = ArchReferenceTaskPanel(vobj.Object)
FreeCADGui.Control.showDialog(taskd)
return True
def unsetEdit(self,vobj,mode):
FreeCADGui.Control.closeDialog()
from DraftGui import todo
todo.delay(vobj.Proxy.recolorize,vobj)
return
def attach(self,vobj):
self.Object = vobj.Object
# Check for file change every minute
self.timer = QtCore.QTimer()
self.timer.timeout.connect(self.checkChanges)
s = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch").GetInt("ReferenceCheckInterval",60)
self.timer.start(1000*s)
def doubleClicked(self,vobj):
self.setEdit(vobj)
def __getstate__(self):
return None
def __setstate__(self,state):
return None
def updateData(self,obj,prop):
if (prop == "Shape") and hasattr(obj.ViewObject,"UpdateColors") and obj.ViewObject.UpdateColors:
if obj.Shape and not obj.Shape.isNull():
colors = obj.Proxy.getColors(obj)
if colors:
obj.ViewObject.DiffuseColor = colors
from DraftGui import todo
todo.delay(self.recolorize,obj.ViewObject)
def recolorize(self,vobj):
if hasattr(vobj,"DiffuseColor") and hasattr(vobj,"UpdateColors") and vobj.UpdateColors:
vobj.DiffuseColor = vobj.DiffuseColor
def checkChanges(self):
"checks if the linked file has changed"
if hasattr(self,"Object") and self.Object:
try:
f = self.Object.File
except ReferenceError:
f = None
if hasattr(self,"timer"):
self.timer.stop()
del self.timer
if f:
filename = self.Object.Proxy.getFile(self.Object)
if filename:
st_mtime = os.stat(filename).st_mtime
if hasattr(self.Object.ViewObject,"TimeStamp"):
if self.Object.ViewObject.TimeStamp:
if self.Object.ViewObject.TimeStamp != st_mtime:
self.Object.Proxy.reload = True
self.Object.touch()
self.Object.ViewObject.TimeStamp = st_mtime
def onChanged(self,vobj,prop):
if prop == "ShapeColor":
# prevent ShapeColor to override DiffuseColor
if hasattr(vobj,"DiffuseColor") and hasattr(vobj,"UpdateColors"):
if vobj.DiffuseColor and vobj.UpdateColors:
vobj.DiffuseColor = vobj.DiffuseColor
elif prop == "Visibility":
if vobj.Visibility == True:
if (not vobj.Object.Shape) or vobj.Object.Shape.isNull():
vobj.Object.Proxy.reload = True
vobj.Object.Proxy.execute(vobj.Object)
else:
if hasattr(vobj.Object,"TransientReference") and vobj.Object.TransientReference:
vobj.Object.Proxy.reload = False
import Part
pl = vobj.Object.Placement
vobj.Object.Shape = Part.Shape()
vobj.Object.Placement = pl
def onDelete(self,obj,doc):
if hasattr(self,"timer"):
self.timer.stop()
del self.timer
return True
def setupContextMenu(self,vobj,menu):
action1 = QtGui.QAction(QtGui.QIcon(":/icons/view-refresh.svg"),"Reload reference",menu)
QtCore.QObject.connect(action1,QtCore.SIGNAL("triggered()"),self.onReload)
menu.addAction(action1)
action2 = QtGui.QAction(QtGui.QIcon(":/icons/document-open.svg"),"Open reference",menu)
QtCore.QObject.connect(action2,QtCore.SIGNAL("triggered()"),self.onOpen)
menu.addAction(action2)
def onReload(self):
"reloads the reference object"
if hasattr(self,"Object") and self.Object:
self.Object.Proxy.reload = True
self.Object.touch()
FreeCAD.ActiveDocument.recompute()
def onOpen(self):
"opens the reference file"
if hasattr(self,"Object") and self.Object:
if self.Object.File:
FreeCAD.openDocument(self.Object.File)
class ArchReferenceTaskPanel:
'''The editmode TaskPanel for Axis objects'''
def __init__(self,obj):
self.obj = obj
self.filename = None
self.form = QtGui.QWidget()
self.form.setWindowTitle("External reference")
layout = QtGui.QVBoxLayout(self.form)
label1 = QtGui.QLabel("External file:")
layout.addWidget(label1)
self.fileButton = QtGui.QPushButton(self.form)
self.openButton = QtGui.QPushButton(self.form)
self.openButton.setText("Open")
if not self.obj.File:
self.openButton.setEnabled(False)
l2 = QtGui.QHBoxLayout(self.form)
layout.addLayout(l2)
l2.addWidget(self.fileButton)
l2.addWidget(self.openButton)
label2 = QtGui.QLabel("Part to use:")
layout.addWidget(label2)
if self.obj.File:
self.fileButton.setText(os.path.basename(self.obj.File))
else:
self.fileButton.setText("Choose file...")
self.partCombo = QtGui.QComboBox(self.form)
layout.addWidget(self.partCombo)
if hasattr(self.obj.Proxy,"parts"):
parts = self.obj.Proxy.parts
else:
parts = self.obj.Proxy.getPartsList(self.obj)
for k in sorted(parts.keys()):
self.partCombo.addItem(parts[k][0],k)
if self.obj.Part:
if self.obj.Part in parts.keys():
self.partCombo.setCurrentIndex(sorted(parts.keys()).index(self.obj.Part))
QtCore.QObject.connect(self.fileButton, QtCore.SIGNAL("clicked()"), self.chooseFile)
QtCore.QObject.connect(self.openButton, QtCore.SIGNAL("clicked()"), self.openFile)
def accept(self):
if self.filename:
if self.filename != self.obj.File:
self.obj.File = self.filename
FreeCAD.ActiveDocument.recompute()
if self.partCombo.currentText():
i = self.partCombo.currentIndex()
if self.partCombo.itemData(i) != self.obj.Part:
self.obj.Part = self.partCombo.itemData(i)
if self.obj.Label == "External Reference":
self.obj.Label = self.partCombo.itemText(i)
FreeCAD.ActiveDocument.recompute()
FreeCADGui.ActiveDocument.resetEdit()
return True
def reject(self):
FreeCAD.ActiveDocument.recompute()
FreeCADGui.ActiveDocument.resetEdit()
return True
def chooseFile(self):
loc = QtCore.QDir.homePath()
if self.obj.File:
loc = os.path.dirname(self.obj.File)
f = QtGui.QFileDialog.getOpenFileName(self.form,'Choose reference file',loc,"FreeCAD standard files (*.FCStd)")
if f:
self.filename = f[0]
self.fileButton.setText(os.path.basename(self.filename))
parts = self.obj.Proxy.getPartsList(self.obj,self.filename)
if parts:
self.partCombo.clear()
for k in sorted(parts.keys()):
self.partCombo.addItem(parts[k][0],k)
if self.obj.Part:
if self.obj.Part in parts.keys():
self.partCombo.setCurrentIndex(sorted(parts.keys()).index(self.obj.Part))
def openFile(self):
if self.obj.File:
FreeCAD.openDocument(self.obj.File)
FreeCADGui.Control.closeDialog()
FreeCADGui.ActiveDocument.resetEdit()
class ArchReferenceCommand:
"the Arch Reference command definition"
def GetResources(self):
return {'Pixmap' : 'Arch_Reference',
'MenuText': QtCore.QT_TRANSLATE_NOOP("Arch_Reference","External reference"),
'Accel': "E, X",
'ToolTip': QtCore.QT_TRANSLATE_NOOP("Arch_Reference","Creates an external reference object")}
def IsActive(self):
return not FreeCAD.ActiveDocument is None
def Activated(self):
FreeCADGui.Control.closeDialog()
FreeCAD.ActiveDocument.openTransaction(translate("Arch","Create external reference"))
FreeCADGui.addModule("Arch")
FreeCADGui.addModule("Draft")
FreeCADGui.doCommand("obj = Arch.makeReference()")
FreeCADGui.doCommand("Draft.autogroup(obj)")
FreeCAD.ActiveDocument.commitTransaction()
FreeCADGui.doCommand("obj.ViewObject.Document.setEdit(obj.ViewObject, 0)")
if FreeCAD.GuiUp:
FreeCADGui.addCommand('Arch_Reference', ArchReferenceCommand())
def splitall(path):
allparts = []
while 1:
parts = os.path.split(path)
if parts[0] == path: # sentinel for absolute paths
allparts.insert(0, parts[0])
break
elif parts[1] == path: # sentinel for relative paths
allparts.insert(0, parts[1])
break
else:
path = parts[0]
allparts.insert(0, parts[1])
return allparts