Draft: implement new get_param functions (step 5)

See #11677

Last bits...

src/Mod/Draft/WorkingPlane.py

@@ -1601,8 +1601,7 @@ class PlaneGui(PlaneBase):
         """Align the view to the WP."""
         if self._view is not None:
             try:
-                param = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/View")
-                default_cam_dist = abs(param.GetFloat("NewDocumentCameraScale", 100.0))
+                default_cam_dist = abs(params.get_param_view("NewDocumentCameraScale"))
                 cam = self._view.getCameraNode()
                 cur_cam_dist = abs(self.get_local_coords(Vector(cam.position.getValue().getValue())).z)
                 cam_dist = max(default_cam_dist, cur_cam_dist)
@@ -1678,7 +1677,7 @@ class PlaneGui(PlaneBase):
         return FreeCAD.Units.Quantity(coord, FreeCAD.Units.Length).UserString
 
     def _format_vector(self, vec):
-        dec = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Units").GetInt("Decimals", 2)
+        dec = params.get_param("Decimals", path="Units")
         return f"({vec.x:.{dec}f}  {vec.y:.{dec}f}  {vec.z:.{dec}f})"
 
     def _update_all(self, _hist_add=True):

src/Mod/Draft/draftguitools/gui_labels.py

@@ -45,7 +45,6 @@ from draftguitools import gui_base_original
 from draftguitools import gui_tool_utils
 from draftguitools import gui_trackers as trackers
 from draftutils import params
-from draftutils import utils
 from draftutils.messages import _toolmsg
 from draftutils.translate import translate
 
@@ -84,7 +83,7 @@ class Label(gui_base_original.Creator):
         """Set the type of label, if it is associated to an object."""
         from draftobjects.label import get_label_types
         self.labeltype = get_label_types()[i]
-        utils.setParam("labeltype", self.labeltype)
+        params.set_param("labeltype", self.labeltype)
 
     def finish(self, cont=False):
         """Finish the command."""

src/Mod/Draft/draftutils/params.py

@@ -150,7 +150,7 @@ def _param_observer_callback_snapcolor():
 
 def _param_observer_callback_svg_pattern():
     # imports have to happen here to avoid circular imports
-    from draftutils import utils 
+    from draftutils import utils
     from draftviewproviders import view_base
     utils.load_svg_patterns()
     if App.ActiveDocument is None:
@@ -264,7 +264,7 @@ def _param_from_PrefDoubleSpinBox(widget):
     for elem in list(widget):
         if "name" in elem.keys():
             att_name = elem.attrib["name"]
-            if att_name == "value": # Can be missing.
+            if att_name == "value":  # Can be missing.
                 value = float(elem.find("double").text)
             elif att_name == "prefEntry":
                 entry = elem.find("cstring").text
@@ -274,7 +274,17 @@ def _param_from_PrefDoubleSpinBox(widget):
 
 
 def _param_from_PrefUnitSpinBox(widget):
-    return _param_from_PrefDoubleSpinBox(widget)
+    value = 0.0
+    for elem in list(widget):
+        if "name" in elem.keys():
+            att_name = elem.attrib["name"]
+            if att_name == "rawValue":  # Can be missing.
+                value = float(elem.find("double").text)
+            elif att_name == "prefEntry":
+                entry = elem.find("cstring").text
+            elif att_name == "prefPath":
+                path = elem.find("cstring").text
+    return path, entry, value
 
 
 def _param_from_PrefQuantitySpinBox(widget):
@@ -282,7 +292,7 @@ def _param_from_PrefQuantitySpinBox(widget):
     for elem in list(widget):
         if "name" in elem.keys():
             att_name = elem.attrib["name"]
-            if att_name == "rawValue":  # Not sure if this can be missing.
+            if att_name == "rawValue":  # Can be missing.
                 value = elem.find("double").text.rstrip(".0")
             elif att_name == "unit":
                 unit = elem.find("string").text
@@ -378,8 +388,6 @@ def _get_param_dictionary():
         "SubelementMode":              ("bool",      False),
         "SvgLinesBlack":               ("bool",      True),
         "useSupport":                  ("bool",      False),
-
-
     }
 
     # Arch parameters that are not in the preferences:
@@ -402,6 +410,7 @@ def _get_param_dictionary():
         "EnableSelection":             ("bool",      True),
         "Gradient":                    ("bool",      True),
         "MarkerSize":                  ("int",       9),
+        "NewDocumentCameraScale":      ("float",     100.0),
     }
 
     # For the General parameters we do not check the preferences: