From 413ce83d00e1b920a0365e04dac687e02ee189c1 Mon Sep 17 00:00:00 2001
From: Yorik van Havre <yorik@uncreated.net>
Date: Mon, 10 Oct 2016 11:45:07 -0300
Subject: [PATCH] Arch: allow to toggle nodes on/off when editing structures -
 issue #2356

---
 src/Mod/Arch/ArchStructure.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/Mod/Arch/ArchStructure.py b/src/Mod/Arch/ArchStructure.py
index 29ec9afdf..658bd844c 100644
--- a/src/Mod/Arch/ArchStructure.py
+++ b/src/Mod/Arch/ArchStructure.py
@@ -658,9 +658,17 @@ class StructureTaskPanel(ArchComponent.ComponentTaskPanel):
         lay.addWidget(self.connectButton)
         QtCore.QObject.connect(self.connectButton, QtCore.SIGNAL("clicked()"), self.connectNodes)
 
+        self.toggleButton = QtGui.QPushButton(self.optwid)
+        self.toggleButton.setIcon(QtGui.QIcon(":/icons/dagViewVisible.svg"))
+        self.toggleButton.setText(QtGui.QApplication.translate("Arch", "Toggle all nodes", None, QtGui.QApplication.UnicodeUTF8))
+        self.toggleButton.setToolTip(QtGui.QApplication.translate("Arch", "Toggles all structural nodes of the document on/off", None, QtGui.QApplication.UnicodeUTF8))
+        lay.addWidget(self.toggleButton)
+        QtCore.QObject.connect(self.toggleButton, QtCore.SIGNAL("clicked()"), self.toggleNodes)
+
         self.form = [self.form,self.optwid]
         self.Object = obj
         self.observer = None
+        self.nodevis = None
 
     def editNodes(self):
         FreeCADGui.Control.closeDialog()
@@ -735,9 +743,23 @@ class StructureTaskPanel(ArchComponent.ComponentTaskPanel):
                             else:
                                 other.Nodes = [other.Nodes[0],other.Placement.inverse().multVec(intersect)]
 
+    def toggleNodes(self):
+        if self.nodevis:
+            for obj in self.nodevis:
+                obj[0].ViewObject.ShowNodes = obj[1]
+            self.nodevis = None
+        else:
+            self.nodevis = []
+            for obj in FreeCAD.ActiveDocument.Objects:
+                if hasattr(obj.ViewObject,"ShowNodes"):
+                    self.nodevis.append([obj,obj.ViewObject.ShowNodes])
+                    obj.ViewObject.ShowNodes = True
+
     def accept(self):
         if self.observer:
             FreeCADGui.Selection.removeObserver(self.observer)
+        if self.nodevis:
+            self.toggleNodes()
         FreeCAD.ActiveDocument.recompute()
         FreeCADGui.ActiveDocument.resetEdit()
         return True