Spectrum Table
******************

A widget that allows plotting a spectrum attribute in a table. 

The widget shows a table coming from spectrum attributes.

Widget setting 
===============

The user has the ability to:

- Select the device and the spectrum attribute to plot in the table
- Precision: the precision to show for each value in the table
- Layout: the user can select the table layout: horizontal or vertical
- Show device: if selected, show the device name
- Attribute Display: select if show the name or the label of the device in the title. Label is shown as default
- Show index: if selected, it shows the index (0,1,2,3...) in the table header
- Show index: if selected, it shows the Labels (Index: , Values, ) in the first column of the table 
- Customize the CSS of the widget


\ |IMG1|\ 

Widget design 
===============

Once plotted, the result is like the following image:

\ |IMG2|\ 

**Note: The text field in the widget is disabled for read only spectrum attribute and the same is enabled for ReadWrite spectrum attributes.**

Writing value to spectrum
-------------------------

\ |IMG3|\

User can use the text field to input value to write the spectrum attribute.
The text field will show error icon for incorrect value. User can ``hover the text field`` to know about correct input value.
Once user enters correct value, the text input field turns green. Press enter to write value to spectrum attribute.
Once value is written, text field is cleared as below:

\ |IMG4|\

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.. |IMG1| image:: _static/img/spectrum_table_inspector.png
.. |IMG2| image:: _static/img/spectrum_table_view.png
.. |IMG3| image:: _static/img/spectrum_table_input.png
.. |IMG4| image:: _static/img/spectrum_table_input_cleared.png