Draft: reintroduced grid button in snap toolbar

src/Mod/Draft/draftguitools/gui_snapper.py

@@ -1422,6 +1422,7 @@ class Snapper:
         self.toolbar.setObjectName("Draft Snap")
         self.toolbar.setWindowTitle(QtCore.QCoreApplication.translate("Workbench", "Draft Snap"))
 
+        # make snap buttons
         snap_gui_commands = get_draft_snap_commands()
         self.init_draft_snap_buttons(snap_gui_commands, self.toolbar, "_Button")
         self.restore_snap_buttons_state(self.toolbar,"_Button")
@@ -1443,6 +1444,15 @@ class Snapper:
                         to define the button name
         """
         for gc in commands:
+            if gc == "Separator":
+                continue
+            if gc == "Draft_ToggleGrid":
+                gb = self.init_grid_button(self.toolbar)
+                context.addAction(gb)
+                QtCore.QObject.connect(gb, QtCore.SIGNAL("triggered()"),
+                                    lambda f=Gui.doCommand, 
+                                    arg='Gui.runCommand("Draft_ToggleGrid")':f(arg))
+                continue
             # setup toolbar buttons
             command = 'Gui.runCommand("' + gc + '")'
             b = QtGui.QAction(context)
@@ -1464,6 +1474,18 @@ class Snapper:
                 b.setStatusTip(b.toolTip())
 
 
+    def init_grid_button(self, context):
+        """Add grid button to the given toolbar"""
+        b = QtGui.QAction(context)
+        b.setIcon(QtGui.QIcon.fromTheme("Draft", QtGui.QIcon(":/icons/"
+                                                         "Draft_Grid.svg")))        
+        b.setText(QtCore.QCoreApplication.translate("Draft_Snap", "Toggles Grid On/Off"))
+        b.setToolTip(QtCore.QCoreApplication.translate("Draft_Snap", "Toggle Draft Grid"))
+        b.setObjectName("Grid_Button")
+        b.setWhatsThis("Draft_ToggleGrid")
+        return b
+
+
     def restore_snap_buttons_state(self, toolbar, button_suffix):
         """
         Restore toolbar button's checked state according to 

src/Mod/Draft/draftguitools/gui_snaps.py

@@ -61,7 +61,8 @@ def sync_snap_toolbar_button(button, status):
                 # for lock button
                 snap_toolbar.actions()[0].setChecked(status)
                 for a in snap_toolbar.actions()[1:]:
-                    a.setEnabled(status)
+                    if a.objectName()[:10] == "Draft_Snap":
+                        a.setEnabled(status)
             else:
                 # for every other button
                 a.setChecked(status)
@@ -86,7 +87,8 @@ def sync_snap_statusbar_button(button, status):
     if button == "Draft_Snap_Lock_Statusbutton":
         ssb.setChecked(status)
         for a in actions[1:]:
-            a.setEnabled(status)
+            if a.objectName()[:10] == "Draft_Snap":
+                a.setEnabled(status)
     else:
         for a in actions:
             if a.objectName() == button:

src/Mod/Draft/draftutils/init_draft_statusbar.py

@@ -217,6 +217,9 @@ def init_draft_statusbar(sb):
         snap_gui_commands.remove('Draft_Snap_WorkingPlane')
     if 'Draft_Snap_Dimensions' in snap_gui_commands:
         snap_gui_commands.remove('Draft_Snap_Dimensions')
+    if 'Draft_ToggleGrid' in snap_gui_commands:
+        snap_gui_commands.remove('Draft_ToggleGrid')
+
     Gui.Snapper.init_draft_snap_buttons(snap_gui_commands,snaps_menu, "_Statusbutton")
     Gui.Snapper.restore_snap_buttons_state(snaps_menu, "_Statusbutton")
 

src/Mod/Draft/draftutils/init_tools.py

@@ -123,6 +123,7 @@ def get_draft_snap_commands():
             'Draft_Snap_Special', 'Draft_Snap_Near',
             'Draft_Snap_Ortho', 'Draft_Snap_Grid',
             'Draft_Snap_WorkingPlane', 'Draft_Snap_Dimensions',
+            'Separator', 'Draft_ToggleGrid'
             ]