Arch: IFC browser - fixes #1384

Arch -> Utilities -> IFC Explorer
This opens a browser window that displays the contents of an IFC file
in a more readable manner than a text editor.

src/Mod/Arch/ArchCommands.py

@@ -925,6 +925,20 @@ class _CommandCheck:
                 FreeCADGui.Selection.addSelection(i[0])
 
 
+class _CommandIfcExplorer:
+    "the Arch Ifc Explorer command definition"
+    def GetResources(self):
+        return {'Pixmap'  : 'IFC',
+                'MenuText': QtCore.QT_TRANSLATE_NOOP("Arch_IfcExplorer","Ifc Explorer"),
+                'ToolTip': QtCore.QT_TRANSLATE_NOOP("Arch_Check","Explore the contents of an Ifc file")}
+
+    def Activated(self):
+        if hasattr(self,"dialog"):
+            del self.dialog
+        import importIFC
+        self.dialog = importIFC.explore()
+
+
 class _CommandFixture:
     # OBSOLETE - To be removed
     "the Arch Fixture command definition"
@@ -958,4 +972,5 @@ if FreeCAD.GuiUp:
     FreeCADGui.addCommand('Arch_RemoveShape',_CommandRemoveShape())
     FreeCADGui.addCommand('Arch_CloseHoles',_CommandCloseHoles())
     FreeCADGui.addCommand('Arch_Check',_CommandCheck())
+    FreeCADGui.addCommand('Arch_IfcExplorer',_CommandIfcExplorer())
     #FreeCADGui.addCommand('Arch_Fixture',_CommandFixture())

src/Mod/Arch/InitGui.py

@@ -74,10 +74,10 @@ class ArchWorkbench(Workbench):
                      "Arch_Window","Arch_Roof","Arch_Axis",
                      "Arch_SectionPlane","Arch_Space","Arch_Stairs",
                      "Arch_Frame","Arch_Add","Arch_Remove"]
-        self.meshtools = ["Arch_SplitMesh","Arch_MeshToShape",
+        self.utilities = ["Arch_SplitMesh","Arch_MeshToShape",
                      "Arch_SelectNonSolidMeshes","Arch_RemoveShape",
-                     "Arch_CloseHoles","Arch_MergeWalls"]
-        self.calctools = ["Arch_Check"]
+                     "Arch_CloseHoles","Arch_MergeWalls","Arch_Check",
+                     "Arch_IfcExplorer"]
 
         # draft tools
         self.drafttools = ["Draft_Line","Draft_Wire","Draft_Circle","Draft_Arc","Draft_Ellipse",
@@ -103,8 +103,7 @@ class ArchWorkbench(Workbench):
         self.appendToolbar(translate("arch","Arch tools"),self.archtools)
         self.appendToolbar(translate("arch","Draft tools"),self.drafttools)
         self.appendToolbar(translate("arch","Draft mod tools"),self.draftmodtools)
-        self.appendMenu([translate("arch","&Architecture"),translate("arch","Conversion Tools")],self.meshtools)
-        self.appendMenu([translate("arch","&Architecture"),translate("arch","Calculation Tools")],self.calctools)
+        self.appendMenu([translate("arch","&Architecture"),translate("arch","Utilities")],self.utilities)
         self.appendMenu(translate("arch","&Architecture"),self.archtools)
         self.appendMenu(translate("arch","&Draft"),self.drafttools+self.draftmodtools+self.extramodtools)
         self.appendMenu([translate("arch","&Draft"),translate("arch","Context Tools")],self.draftcontexttools)

src/Mod/Arch/Resources/Arch.qrc

@@ -40,6 +40,7 @@
         <file>icons/Arch_Rebar_Tree.svg</file>
         <file>icons/Arch_Frame.svg</file>
         <file>icons/Arch_Frame_Tree.svg</file>
+        <file>icons/IFC.svg</file>
         <file>ui/archprefs-base.ui</file>
         <file>ui/archprefs-import.ui</file>
         <file>ui/ParametersWindowDouble.svg</file>

src/Mod/Arch/ifcReader.py

@@ -145,6 +145,14 @@ class IfcSchema:
         attrs.reverse()
         return attrs
 
+    def capitalize(self, name):
+        "returns a capitalized version of a type"
+        if name.upper() in self.data.upper():
+            i1 = self.data.upper().index(name.upper())
+            i2 = i1 + len(name)
+            name = self.data[i1:i2]
+        return name
+
 class IfcFile:
     """
     Parses an ifc file given by filename, entities can be retrieved by name and id
@@ -291,6 +299,9 @@ class IfcEntity:
     def __repr__(self):
         return str(self.id) + ' : ' + self.type + ' ' + str(self.attributes)
 
+    def getProperties(self):
+        return self.doc.find('IFCRELDEFINESBYPROPERTIES','RelatedObjects',self)
+
     def getProperty(self,propName):
         "finds the value of the given property or quantity in this object, if exists"
         propsets = self.doc.find('IFCRELDEFINESBYPROPERTIES','RelatedObjects',self)
@@ -322,8 +333,7 @@ class IfcEntity:
             
 class IfcDocument:
     "an object representing an IFC document"
-    def __init__(self,filename,schema="IFC2X3_TC1.exp",debug=False):
-        DEBUG = debug
+    def __init__(self,filename,schema="IFC2X3_TC1.exp"):
         f = IfcFile(filename,schema)
         self.filename = filename
         self.data = f.entById
@@ -441,6 +451,81 @@ class IfcDocument:
                 obs.extend(self.getEnt(l))
             return obs
         return None
+
+def explorer(filename,schema="IFC2X3_TC1.exp"):
+    "returns a PySide dialog showing the contents of an IFC file"
+    from PySide import QtCore,QtGui
+    ifc = IfcDocument(filename,schema)
+    schema = IfcSchema(schema)
+    tree = QtGui.QTreeWidget()
+    tree.setColumnCount(3)
+    tree.setWordWrap(True)
+    tree.header().setDefaultSectionSize(60)
+    tree.header().resizeSection(0,60)
+    tree.header().resizeSection(1,30)
+    tree.header().setStretchLastSection(True)
+    tree.headerItem().setText(0, "ID")
+    tree.headerItem().setText(1, "")
+    tree.headerItem().setText(2, "Item and Properties")
+    bold = QtGui.QFont()
+    bold.setWeight(75)
+    bold.setBold(True)
+
+    for i in range(1,len(ifc.Entities)):
+        e = ifc.Entities[i]
+        item = QtGui.QTreeWidgetItem(tree)
+        item.setText(0,str(e.id))
+        if e.type in ["IFCWALL","IFCWALLSTANDARDCASE"]:
+            item.setIcon(1,QtGui.QIcon(":icons/Arch_Wall_Tree.svg"))
+        elif e.type in ["IFCCOLUMN","IFCBEAM","IFCSLAB","IFCFOOTING"]:
+            item.setIcon(1,QtGui.QIcon(":icons/Arch_Structure_Tree.svg"))
+        elif e.type in ["IFCSITE"]:
+            item.setIcon(1,QtGui.QIcon(":icons/Arch_Site_Tree.svg"))
+        elif e.type in ["IFCBUILDING"]:
+            item.setIcon(1,QtGui.QIcon(":icons/Arch_Building_Tree.svg"))
+        elif e.type in ["IFCSTOREY"]:
+            item.setIcon(1,QtGui.QIcon(":icons/Arch_Floor_Tree.svg"))
+        elif e.type in ["IFCWINDOW"]:
+            item.setIcon(1,QtGui.QIcon(":icons/Arch_Window_Tree.svg"))
+        elif e.type in ["IFCROOF"]:
+            item.setIcon(1,QtGui.QIcon(":icons/Arch_Roof_Tree.svg"))
+        elif e.type in ["IFCEXTRUDEDAREASOLID","IFCCLOSEDSHELL"]:
+            item.setIcon(1,QtGui.QIcon(":icons/Tree_Part.svg"))
+        elif e.type in ["IFCFACE"]:
+            item.setIcon(1,QtGui.QIcon(":icons/Draft_SwitchMode.svg"))
+        elif e.type in ["IFCARBITRARYCLOSEDPROFILEDEF","IFCPOLYLOOP"]:
+            item.setIcon(1,QtGui.QIcon(":icons/Draft_Draft.svg"))
+        item.setText(2,str(schema.capitalize(e.type)))
+        item.setFont(2,bold);
+        for a in e.attributes.keys():
+            if hasattr(e,a):
+                if not a.upper() in ["ID", "GLOBALID"]:
+                    v = getattr(e,a)
+                    if isinstance(v,IfcEntity):
+                        t = "Entity #" + str(v.id) + ": " + str(v.type)
+                    elif isinstance(v,list):
+                        t = ""
+                    else:
+                        t = str(v)
+                    t = "    " + str(a) + " : " + str(t)
+                    item = QtGui.QTreeWidgetItem(tree)
+                    item.setText(2,str(t))
+                    if isinstance(v,list):
+                        for vi in v:
+                            if isinstance(vi,IfcEntity):
+                                t = "Entity #" + str(vi.id) + ": " + str(vi.type) 
+                            else:
+                                t = vi
+                            t = "        " + str(t)
+                            item = QtGui.QTreeWidgetItem(tree)
+                            item.setText(2,str(t))
+    d = QtGui.QDialog()
+    d.setObjectName("IfcExplorer")
+    d.setWindowTitle("Ifc Explorer")
+    d.resize(640, 480)
+    layout = QtGui.QVBoxLayout(d)
+    layout.addWidget(tree)
+    return d
                         
 if __name__ == "__main__":
     print __doc__

src/Mod/Arch/importIFC.py

@@ -353,7 +353,8 @@ def read(filename):
         schema=getSchema()
         if schema:
             if DEBUG: print "opening",filename,"..."
-            ifc = ifcReader.IfcDocument(filename,schema=schema,debug=DEBUG)
+            ifcReader.DEBUG = DEBUG
+            ifc = ifcReader.IfcDocument(filename,schema=schema)
         else:
             FreeCAD.Console.PrintWarning(translate("Arch","IFC Schema not found, IFC import disabled.\n"))
             return None
@@ -995,3 +996,20 @@ def export(exportList,filename):
             print "IFC export: object type ", otype, " is not supported yet."
             
     ifc.write()
+
+
+def explore(filename=None):
+    "explore the contents of an ifc file in a Qt dialog"
+    if not filename:
+        from PySide import QtGui
+        filename = QtGui.QFileDialog.getOpenFileName(QtGui.qApp.activeWindow(),'IFC files','*.ifc')
+        if filename:
+            filename = filename[0]
+    if filename:
+        import ifcReader
+        getConfig()
+        schema=getSchema()
+        ifcReader.DEBUG = DEBUG
+        d = ifcReader.explorer(filename,schema)
+        d.show()
+        return d