This class is also derived on `ViewProviderDimensionBase`.
It is used to measure the angle between two straight lines.
Various improvements in style, PEP8, spacing, docstrings.
In particular use more readable variable names.
The `updateData` method is modified to return immediately
if the `arc` attribute does not exist. This is better
to reduce the level of indentation of the code.
This class handles linear dimensions of edges, or radial
dimensions of arcs and circles.
Various improvements in style, PEP8, spacing, docstrings.
In particular use more readable variable names.
The modules `Part` and `DraftGeomUtils` have been delayed
in import.
The `updataData` method is modified to return immediately
if the Proxy property modified is different from `Start`,
`End`, `Dimline` or `Direction`.
Use methods to set up the properties. As the dimension object has
16 properties, these properties are assigned using three methods
corresponding to text, units, and graphics properties.
The functions `getDefaultUnit`, `makeFormatSpec`, `displayExternal`
are used to get the default unit schema for lengths and angles,
and display a string with a particular format.
They aren't used in `DraftGui.py`, but are used by the
viewprovider of the Dimension objects. Therefore, they are moved
into a separate module, so that they can be imported without
using the entire `DraftGui` module.
Various improvements in style, PEP8, spacing, docstrings.
Improve the methods to update the text, the arrow, and the frame
of the label.
Options to handle `Justification` and `LineSpacing` are added.
These can be handled just like with the `ViewProviderText` object,
as the internal text node is the same, a `SoAsciiText`.
Nevertheless, currently the leader line and the frame that are
drawn for the label don't consider the correction in position
for the `Justification` or `Linespacing` so the graphics
may be overlapped in certain situations.
Various improvements in style, PEP8, spacing, docstrings.
The list of strings is set to empty before being assigned again.
This solves a problem of the text not being updated correctly.
In the past some `try-except` blocks were there to catch and
ignore certain exceptions that apparently were caused by a
race condition, where certain properties are not assigned
to the object before they are used. These errors
don't seem to occur in v0.19, so we removed the exception
handling. We leave comments mentioning the issue
in case it re-appears.
The `DisplayMode` is swapped, so now `'2D text'` means that the
text always faces the camera, and `'3D text'` means that the
text can be positioned in different orientations in the 3D space.
This is consistent with the `Draft Label` behavior.
A function `draftutils.gui_utils.migrate_text_display_mode`
is provided to help migrate older objects of type `Text`
or `DraftText` to the new display mode.
