b9d7cd23a9
* BIM: IFC - Fixes for Qt 6 due to QtGui.QFont.setWeight() PySide6 replaced: PySide6.QtGui.QFont.setWeight(int) with: PySide6.QtGui.QFont.setWeight(PySide6.QtGui.QFont.Weight) * BIM: Fix IFC explorer addEntity() and addProperties() on Qt 6 Qt 6 removed QTreeWidget.setFirstItemColumnSpanned() https://doc.qt.io/qt-5/qtreewidget-obsolete.html#setFirstItemColumnSpanned Running the Python command 'BIM_IfcExplorer' failed: Traceback (most recent call last): File "/usr/lib64/freecad/Mod/BIM/bimcommands/BimIfcExplorer.py", line 170, in Activated self.open() File "/usr/lib64/freecad/Mod/BIM/bimcommands/BimIfcExplorer.py", line 223, in open self.addEntity(eid, children, self.tree) File "/usr/lib64/freecad/Mod/BIM/bimcommands/BimIfcExplorer.py", line 455, in addEntity self.tree.setFirstItemColumnSpanned(item, True) * BIM: Fix IFC explorer exception on toggle mesh Traceback (most recent call last): File "/usr/lib64/freecad/Mod/BIM/bimcommands/BimIfcExplorer.py", line 278, in toggleMesh import importIFCHelper ModuleNotFoundError: No module named 'importIFCHelper' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib64/freecad/Mod/BIM/bimcommands/BimIfcExplorer.py", line 282, in toggleMesh import importIFC ModuleNotFoundError: No module named 'importIFC' * BIM: Fix IFC explorer layout warnings QLayout: Attempting to add QLayout "" to QDialog "IfcExplorer", which already has a layout QLayout: Attempting to add QLayout "" to QDialog "IfcExplorer", which already has a layout https://doc.qt.io/qt-6/qtwidgets-tutorials-widgets-nestedlayouts-example.html * BIM: Output an error if IFC explorer can't explore a file --------- Co-authored-by: Roy-043 <info@b-k-g.nl>
648 lines
26 KiB
Python
648 lines
26 KiB
Python
# ***************************************************************************
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# * *
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# * Copyright (c) 2019 Yorik van Havre <yorik@uncreated.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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import os
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import FreeCAD
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import FreeCADGui
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QT_TRANSLATE_NOOP = FreeCAD.Qt.QT_TRANSLATE_NOOP
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translate = FreeCAD.Qt.translate
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class BIM_IfcExplorer:
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def __init__(self):
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self.tree = None
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def GetResources(self):
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import Arch_rc
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return {
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"Pixmap": "IFC",
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"MenuText": QT_TRANSLATE_NOOP("BIM_IfcExplorer", "IFC explorer"),
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"ToolTip": QT_TRANSLATE_NOOP("BIM_IfcExplorer", "IFC explorer utility"),
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}
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def Activated(self):
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from PySide import QtCore, QtGui
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try:
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import ifcopenshell
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except ImportError:
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FreeCAD.Console.PrintError(
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translate(
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"BIM",
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"IfcOpenShell was not found on this system. IFC support is disabled",
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)
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+ "\n"
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)
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return
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# setting up a font
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self.bold = QtGui.QFont()
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self.bold.setBold(True)
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# setting up a link fint
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self.linkfont = QtGui.QFont()
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self.linkfont.setUnderline(True)
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# setup a brush to paint text in system link color
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self.linkbrush = QtGui.QApplication.palette().link()
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# draw the main tree widget
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self.tree = QtGui.QTreeWidget()
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self.tree.setColumnCount(1)
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self.tree.setWordWrap(True)
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self.tree.header().setDefaultSectionSize(60)
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self.tree.header().resizeSection(0, 180)
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self.tree.header().setStretchLastSection(True)
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self.tree.headerItem().setText(0, translate("BIM", "Objects structure"))
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# draw the attributes widget
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self.attributes = QtGui.QTreeWidget()
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self.attributes.setColumnCount(2)
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self.attributes.setWordWrap(True)
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self.attributes.header().setDefaultSectionSize(60)
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self.attributes.header().resizeSection(0, 120)
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self.attributes.header().resizeSection(1, 200)
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self.attributes.header().setStretchLastSection(True)
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self.attributes.headerItem().setText(0, translate("BIM", "Attribute"))
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self.attributes.headerItem().setText(1, translate("BIM", "Value"))
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# draw the properties widget
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self.properties = QtGui.QTreeWidget()
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self.properties.setColumnCount(2)
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self.properties.setWordWrap(True)
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self.properties.header().setDefaultSectionSize(60)
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self.properties.header().resizeSection(0, 120)
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self.properties.header().resizeSection(1, 200)
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self.properties.header().setStretchLastSection(True)
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self.properties.headerItem().setText(0, translate("BIM", "Property"))
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self.properties.headerItem().setText(1, translate("BIM", "Value"))
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# create the dialog
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self.dialog = QtGui.QDialog()
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self.dialog.setObjectName("IfcExplorer")
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self.dialog.setWindowTitle(translate("BIM", "IFC Explorer"))
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self.dialog.resize(720, 540)
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toolbar = FreeCADGui.UiLoader().createWidget("Gui::ToolBar")
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layout = QtGui.QVBoxLayout()
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layout.addWidget(toolbar)
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hlayout = QtGui.QHBoxLayout()
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hlayout.addWidget(self.tree)
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layout.addLayout(hlayout)
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vlayout = QtGui.QVBoxLayout()
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hlayout.addLayout(vlayout)
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vlayout.addWidget(self.attributes)
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vlayout.addWidget(self.properties)
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self.dialog.setLayout(layout)
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# draw the toolbar buttons
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self.openAction = QtGui.QAction(translate("BIM", "Open"), None)
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self.openAction.setToolTip(translate("BIM", "Open another IFC file..."))
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self.openAction.triggered.connect(self.open)
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self.openAction.setIcon(QtGui.QIcon(":/icons/document-open.svg"))
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toolbar.addAction(self.openAction)
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self.backAction = QtGui.QAction(translate("BIM", "Back"), None)
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self.backAction.setToolTip(translate("BIM", "Go back to last item selected"))
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self.backAction.triggered.connect(self.back)
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self.backAction.setIcon(QtGui.QIcon(":/icons/edit-undo.svg"))
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toolbar.addAction(self.backAction)
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self.shapeAction = QtGui.QAction(translate("BIM", "Insert"), None)
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self.shapeAction.setToolTip(
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translate(
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"BIM",
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"Inserts the selected object and its children in the active document",
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)
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)
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self.shapeAction.triggered.connect(self.insert)
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self.shapeAction.setIcon(QtGui.QIcon(":icons/Tree_Part.svg"))
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self.shapeAction.setEnabled(False)
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toolbar.addAction(self.shapeAction)
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self.meshAction = QtGui.QAction(translate("BIM", "Mesh"), None)
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self.meshAction.setToolTip(translate("BIM", "Turn mesh display on/off"))
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self.meshAction.triggered.connect(self.toggleMesh)
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self.meshAction.setCheckable(True)
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self.meshAction.setChecked(False)
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self.meshAction.setIcon(QtGui.QIcon(":/icons/DrawStyleShaded.svg"))
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toolbar.addAction(self.meshAction)
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# connect signals/slots
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self.tree.currentItemChanged.connect(self.onSelectTree)
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self.attributes.itemDoubleClicked.connect(self.onDoubleClickTree)
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self.properties.itemDoubleClicked.connect(self.onDoubleClickTree)
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self.dialog.rejected.connect(self.close)
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# center the dialog over FreeCAD window
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mw = FreeCADGui.getMainWindow()
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self.dialog.move(
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mw.frameGeometry().topLeft()
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+ mw.rect().center()
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- self.dialog.rect().center()
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)
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# open a file and show the dialog
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self.open()
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if self.filename:
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self.dialog.show()
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def open(self):
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"opens a file"
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import ifcopenshell
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from PySide import QtCore, QtGui
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self.filename = ""
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lastfolder = FreeCAD.ParamGet(
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"User parameter:BaseApp/Preferences/Mod/BIM"
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).GetString("lastIfcExplorerFolder", "")
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filename = QtGui.QFileDialog.getOpenFileName(
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None,
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translate("BIM", "Select an IFC file"),
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lastfolder,
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translate("BIM", "IFC files (*.ifc)"),
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)
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if filename and filename[0]:
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self.filename = filename[0]
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FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/BIM").SetString(
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"lastIfcExplorerFolder", os.path.dirname(self.filename)
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)
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if not os.path.exists(self.filename):
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FreeCAD.Console.PrintError(translate("BIM", "File not found") + "\n")
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return
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else:
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return
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# set window title
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self.dialog.setWindowTitle(
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translate("BIM", "IFC Explorer") + " - " + os.path.basename(self.filename)
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)
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# clear everything
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self.tree.clear()
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self.attributes.clear()
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self.properties.clear()
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self.done = []
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self.backnav = []
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self.mesh = None
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self.products = []
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self.omeshes = {}
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self.currentmesh = None
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# read file and order contents
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self.ifc = ifcopenshell.open(self.filename)
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root = self.getEntitiesTree()
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# unable to find IfcSite
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if not root:
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FreeCAD.Console.PrintError(
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translate(
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"BIM",
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"IfcSite element was not found in %s. Unable to explore.",
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)
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% self.filename + "\n"
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)
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return
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# populate tree contents
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for eid, children in root.items():
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self.addEntity(eid, children, self.tree)
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# self.tree.expandAll()
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def close(self):
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"close the dialog"
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if FreeCAD.ActiveDocument:
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if getattr(self, "mesh", None):
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FreeCAD.ActiveDocument.removeObject(self.mesh.Name)
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if getattr(self, "currentmesh", None):
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FreeCAD.ActiveDocument.removeObject(self.currentmesh.Name)
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def back(self):
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"selects the previously selected item in the tree"
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if self.backnav:
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item = self.backnav.pop()
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self.tree.setCurrentItem(item)
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def insert(self):
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"inserts selected objects in the active document"
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import importIFC
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from PySide import QtCore, QtGui
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doc = FreeCAD.ActiveDocument
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if doc and self.filename:
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item = self.tree.currentItem()
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if item:
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eid = item.data(0, QtCore.Qt.UserRole)
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if eid:
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importIFC.ZOOMOUT = False
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try:
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importIFC.insert(self.ifc, doc.Name, only=[eid])
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except TypeError:
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importIFC.insert(self.filename, doc.Name, only=[eid])
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if self.currentmesh:
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self.currentmesh.ViewObject.hide()
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def toggleMesh(self, checked=False):
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"turns mesh display on/off"
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import Mesh
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import ifcopenshell
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from ifcopenshell import geom
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if not FreeCAD.ActiveDocument:
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doc = FreeCAD.newDocument()
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FreeCAD.setActiveDocument(doc.Name)
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if FreeCAD.ActiveDocument:
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if checked:
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if self.mesh:
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self.mesh.ViewObject.show()
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else:
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try:
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from importers import importIFCHelper
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s = importIFCHelper.getScaling(self.ifc)
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except:
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from importers import importIFC
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s = importIFC.getScaling(self.ifc)
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s *= 1000 # ifcopenshell outputs its meshes in metres
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trf = None
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if s != 1:
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trf = FreeCAD.Matrix()
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trf.scale(s, s, s)
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basemesh = Mesh.Mesh()
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s = geom.settings()
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s.set(s.USE_WORLD_COORDS, True)
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for product in self.products:
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try:
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m = geom.create_shape(s, product)
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g = m.geometry
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v = g.verts
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f = g.faces
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verts = [
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FreeCAD.Vector(v[i : i + 3])
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for i in range(0, len(v), 3)
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]
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faces = [tuple(f[i : i + 3]) for i in range(0, len(f), 3)]
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omesh = Mesh.Mesh((verts, faces))
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if trf:
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omesh.transform(trf)
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self.omeshes[product.id()] = omesh
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basemesh.addMesh(omesh)
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except:
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pass
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self.mesh = FreeCAD.ActiveDocument.addObject(
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"Mesh::Feature", "IFCMesh"
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)
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self.mesh.Mesh = basemesh
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self.mesh.ViewObject.Transparency = 85
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FreeCAD.ActiveDocument.recompute()
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FreeCADGui.Selection.clearSelection()
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FreeCADGui.Selection.addSelection(self.mesh)
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FreeCADGui.SendMsgToActiveView("ViewSelection")
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else:
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if self.mesh:
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self.mesh.ViewObject.hide()
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if self.currentmesh:
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self.currentmesh.ViewObject.hide()
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def getEntitiesTree(self):
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"stacks the entities inside containers"
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root = {}
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for site in self.ifc.by_type("IfcSite"):
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root[site.id()] = self.getChildren(site)
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return root
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# entities = ifc.by_type("IfcRoot")
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# entities += ifc.by_type("IfcRepresentation")
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# entities += ifc.by_type("IfcRepresentationItem")
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# entities += ifc.by_type("IfcRepresentationMap")
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# entities += ifc.by_type("IfcPlacement")
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# entities += ifc.by_type("IfcProperty")
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# entities += ifc.by_type("IfcPhysicalSimpleQuantity")
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# entities += ifc.by_type("IfcMaterial")
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# entities += ifc.by_type("IfcProductRepresentation")
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# entities = sorted(entities, key=lambda eid: eid.id())
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def getChildren(self, obj, keys=False):
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"returns a recursive dict of the children of this obj"
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children = {}
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if obj.is_a("IfcProduct"):
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self.products.append(obj)
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if hasattr(obj, "IsDecomposedBy"): # building structure
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for rel in obj.IsDecomposedBy:
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if hasattr(rel, "RelatedObjects"):
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for child in rel.RelatedObjects:
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children[child.id()] = self.getChildren(child)
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if hasattr(obj, "ContainsElements"): # objects inside building structure
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for rel in obj.ContainsElements:
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if hasattr(rel, "RelatedElements"):
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for child in rel.RelatedElements:
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children[child.id()] = self.getChildren(child)
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if hasattr(obj, "Representation"): # Shape representation
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if obj.Representation:
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children[obj.Representation.id()] = self.getChildren(obj.Representation)
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if hasattr(obj, "Representations"):
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for rep in obj.Representations:
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children[rep.id()] = self.getChildren(rep)
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if obj.is_a("IfcShapeRepresentation"):
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for it in obj.Items:
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children[it.id()] = self.getChildren(it)
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if keys:
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def getkeys(d):
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ck = list(d.keys())
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for v in d.values():
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ck.extend(getkeys(v))
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return ck
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return getkeys(children)
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return children
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def addEntity(self, eid, children, parent):
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"adds a given entity and its children to the given tree item"
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from PySide import QtCore, QtGui
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def get_name(e):
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try:
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return " : " + e.get_info()["Name"]
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except:
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return ""
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if not eid in self.done:
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entity = self.ifc[eid]
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item = QtGui.QTreeWidgetItem(parent)
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# item.setText(0,self.tostr(eid))
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name = ""
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if entity.is_a("IfcProduct"):
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name = get_name(entity)
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item.setFont(0, self.bold)
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if isinstance(parent, QtGui.QTreeWidgetItem):
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parent.setExpanded(True)
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item.setText(
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0, "#" + self.tostr(eid) + " : " + self.tostr(entity.is_a()) + name
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)
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if entity.is_a() in ["IfcWall", "IfcWallStandardCase"]:
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item.setIcon(0, QtGui.QIcon(":icons/Arch_Wall_Tree.svg"))
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elif entity.is_a() in ["IfcBuildingElementProxy"]:
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item.setIcon(0, QtGui.QIcon(":icons/Arch_Component.svg"))
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elif entity.is_a() in [
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"IfcColumn",
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"IfcColumnStandardCase",
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"IfcBeam",
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"IfcBeamStandardCase",
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"IfcSlab",
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"IfcFooting",
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"IfcPile",
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"IfcTendon",
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]:
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item.setIcon(0, QtGui.QIcon(":icons/Arch_Structure_Tree.svg"))
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elif entity.is_a() in ["IfcSite"]:
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item.setIcon(0, QtGui.QIcon(":icons/Arch_Site_Tree.svg"))
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elif entity.is_a() in ["IfcBuilding"]:
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item.setIcon(0, QtGui.QIcon(":icons/Arch_Building_Tree.svg"))
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elif entity.is_a() in ["IfcBuildingStorey"]:
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item.setIcon(0, QtGui.QIcon(":icons/Arch_Floor_Tree.svg"))
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elif entity.is_a() in [
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"IfcWindow",
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"IfcWindowStandardCase",
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"IfcDoor",
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"IfcDoorStandardCase",
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]:
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item.setIcon(0, QtGui.QIcon(":icons/Arch_Window_Tree.svg"))
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elif entity.is_a() in ["IfcRoof"]:
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item.setIcon(0, QtGui.QIcon(":icons/Arch_Roof_Tree.svg"))
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elif entity.is_a() in ["IfcExtrudedAreaSolid", "IfcClosedShell"]:
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item.setIcon(0, QtGui.QIcon(":icons/Tree_Part.svg"))
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elif entity.is_a() in ["IfcFace"]:
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item.setIcon(0, QtGui.QIcon(":icons/Draft_SwitchMode.svg"))
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elif entity.is_a() in ["IfcArbitraryClosedProfileDef", "IfcPolyloop"]:
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item.setIcon(0, QtGui.QIcon(":icons/Draft_Draft.svg"))
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elif entity.is_a() in [
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"IfcPropertySingleValue",
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"IfcQuantityArea",
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"IfcQuantityVolume",
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]:
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item.setIcon(0, QtGui.QIcon(":icons/Tree_Annotation.svg"))
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|
elif entity.is_a() in ["IfcMaterial"]:
|
|
item.setIcon(0, QtGui.QIcon(":icons/Arch_Material.svg"))
|
|
elif entity.is_a() in ["IfcReinforcingBar"]:
|
|
item.setIcon(0, QtGui.QIcon(":icons/Arch_Rebar.svg"))
|
|
elif entity.is_a("IfcProduct"):
|
|
item.setIcon(0, QtGui.QIcon(":icons/Arch_Component.svg"))
|
|
item.setFirstColumnSpanned(True)
|
|
item.setData(0, QtCore.Qt.UserRole, eid)
|
|
for childid, grandchildren in children.items():
|
|
self.addEntity(childid, grandchildren, item)
|
|
self.done.append(eid)
|
|
|
|
def addAttributes(self, eid, parent):
|
|
"adds the attributes of the given IFC entity under the given QTreeWidgetITem"
|
|
|
|
import ifcopenshell
|
|
from PySide import QtCore, QtGui
|
|
|
|
entity = self.ifc[eid]
|
|
|
|
i = 0
|
|
while True:
|
|
try:
|
|
argname = entity.attribute_name(i)
|
|
except RuntimeError:
|
|
break
|
|
else:
|
|
try:
|
|
argvalue = getattr(entity, argname)
|
|
except AttributeError:
|
|
FreeCAD.Console.PrintError(
|
|
translate("BIM", "Error in entity")
|
|
+ " "
|
|
+ self.tostr(entity)
|
|
+ "\n"
|
|
)
|
|
break
|
|
else:
|
|
if argname not in ["Id", "GlobalId"]:
|
|
colored = False
|
|
if isinstance(argvalue, ifcopenshell.entity_instance):
|
|
if argvalue.id() == 0:
|
|
t = self.tostr(argvalue)
|
|
else:
|
|
colored = True
|
|
t = (
|
|
"#"
|
|
+ self.tostr(argvalue.id())
|
|
+ ": "
|
|
+ self.tostr(argvalue.is_a())
|
|
)
|
|
elif isinstance(argvalue, (list, tuple)):
|
|
t = ""
|
|
else:
|
|
t = self.tostr(argvalue)
|
|
item = QtGui.QTreeWidgetItem(parent)
|
|
item.setText(0, self.tostr(argname))
|
|
if t and (t != "None"):
|
|
item.setText(1, t)
|
|
if colored:
|
|
item.setForeground(1, self.linkbrush)
|
|
item.setFont(1, self.linkfont)
|
|
if argname == "Name":
|
|
item.setFont(1, self.bold)
|
|
if isinstance(argvalue, (list, tuple)):
|
|
j = 0
|
|
for argitem in argvalue:
|
|
colored = False
|
|
if isinstance(argitem, ifcopenshell.entity_instance):
|
|
if argitem.id() == 0:
|
|
t = self.tostr(argitem)
|
|
else:
|
|
colored = True
|
|
t = (
|
|
"#"
|
|
+ self.tostr(argitem.id())
|
|
+ ": "
|
|
+ self.tostr(argitem.is_a())
|
|
)
|
|
else:
|
|
t = argitem
|
|
t = self.tostr(t)
|
|
if j == 0:
|
|
item.setText(1, t)
|
|
if colored:
|
|
item.setForeground(1, self.linkbrush)
|
|
item.setFont(1, self.linkfont)
|
|
else:
|
|
subitem = QtGui.QTreeWidgetItem(item)
|
|
subitem.setText(1, t)
|
|
if colored:
|
|
subitem.setForeground(1, self.linkbrush)
|
|
subitem.setFont(1, self.linkfont)
|
|
j += 1
|
|
i += 1
|
|
|
|
def addProperties(self, eid, parent):
|
|
"adds properties of a given entity to the given QTReeWidgetItem"
|
|
|
|
from PySide import QtCore, QtGui
|
|
|
|
entity = self.ifc[eid]
|
|
if hasattr(entity, "IsDefinedBy"):
|
|
for rel in entity.IsDefinedBy:
|
|
if hasattr(rel, "RelatingPropertyDefinition"):
|
|
if rel.RelatingPropertyDefinition:
|
|
item = QtGui.QTreeWidgetItem(parent)
|
|
item.setText(
|
|
0,
|
|
"PropertySet: "
|
|
+ self.tostr(rel.RelatingPropertyDefinition.Name),
|
|
)
|
|
item.setFont(0, self.bold)
|
|
item.setFirstColumnSpanned(True)
|
|
if hasattr(rel.RelatingPropertyDefinition, "HasProperties"):
|
|
for prop in rel.RelatingPropertyDefinition.HasProperties:
|
|
subitem = QtGui.QTreeWidgetItem(item)
|
|
subitem.setText(0, "Property")
|
|
self.addAttributes(prop.id(), subitem)
|
|
|
|
def tostr(self, text):
|
|
if isinstance(text, str):
|
|
return text
|
|
else:
|
|
return str(text)
|
|
|
|
def onSelectTree(self, item, previous):
|
|
"displays attributes and properties of a tree item"
|
|
|
|
from PySide import QtCore, QtGui
|
|
|
|
self.backnav.append(previous)
|
|
eid = item.data(0, QtCore.Qt.UserRole)
|
|
self.attributes.clear()
|
|
self.addAttributes(eid, self.attributes)
|
|
self.attributes.expandAll()
|
|
self.properties.clear()
|
|
self.addProperties(eid, self.properties)
|
|
self.properties.expandAll()
|
|
entity = self.ifc[eid]
|
|
if entity.is_a("IfcProduct") and FreeCAD.ActiveDocument:
|
|
self.shapeAction.setEnabled(True)
|
|
else:
|
|
self.shapeAction.setEnabled(False)
|
|
if eid in self.omeshes:
|
|
omesh = self.omeshes[eid]
|
|
else:
|
|
omesh = None
|
|
children = self.getChildren(entity, keys=True)
|
|
for k in children:
|
|
if k in self.omeshes:
|
|
kmesh = self.omeshes[k]
|
|
if omesh:
|
|
omesh.addMesh(kmesh)
|
|
else:
|
|
omesh = kmesh
|
|
if omesh:
|
|
if not self.currentmesh:
|
|
self.currentmesh = FreeCAD.ActiveDocument.addObject(
|
|
"Mesh::Feature", "IFCObjectMesh"
|
|
)
|
|
self.currentmesh.ViewObject.ShapeColor = (0.4, 0.4, 1.0)
|
|
self.currentmesh.Mesh = omesh
|
|
self.currentmesh.ViewObject.show()
|
|
FreeCAD.ActiveDocument.recompute()
|
|
else:
|
|
if self.currentmesh:
|
|
self.currentmesh.ViewObject.hide()
|
|
|
|
def onDoubleClickTree(self, item, column):
|
|
"when a property or attribute is double-clicked"
|
|
|
|
from PySide import QtCore, QtGui
|
|
|
|
if self.tree:
|
|
txt = item.text(column)
|
|
if txt.startswith("#"):
|
|
eid = txt[1:].split(":")[0]
|
|
target = self.tree.findItems(
|
|
"#" + eid + " :",
|
|
QtCore.Qt.MatchStartsWith | QtCore.Qt.MatchRecursive,
|
|
0,
|
|
)
|
|
if target:
|
|
self.tree.scrollToItem(target[0])
|
|
self.tree.setCurrentItem(target[0])
|
|
|
|
|
|
FreeCADGui.addCommand("BIM_IfcExplorer", BIM_IfcExplorer())
|