Spectrum Table
The widget displays a table based on spectrum attributes and allows users to plot these attributes directly within the table.
Widget setting
The following image shows an example of a widget setting.
It is possible to customize the widget settings from the inspector panel (in edit mode), as shown below:
Input value |
Description |
|---|---|
Device |
Type in a device name (or * to list all) |
Attribute |
Once a device is selected, type in an attribute name (or * to list all available attributes) |
Show Value at Index |
Show value at specified index |
Precision |
Defines the precision displayed for each value in the table |
Layout |
Sets the table layout: horizontal or vertical |
Show Device |
Displays the device name when enabled |
Show Tango Database Name |
Displays the tango database name when enabled |
Attribute Display |
Select the Label, Name, or None for the attribute |
Show Index |
Displays the index when enabled |
Show Labels |
Displays the labels of the index when enabled |
Font Size (in units) |
1 corresponds to 1em text size |
Custom CSS |
Write custom CSS for the widget container. The syntax is the same as standard CSS used in HTML files |
Widget design
Once plotted, the result is like the following image:
Note: The text field in the widget is disabled for read only spectrum attributes and the same is enabled for ReadWrite spectrum attributes.
Writing value to spectrum
The user can use the text field to enter a value to write to the spectrum attribute.
The text field displays an error icon if an invalid value is entered. The user can hover over the text field to see information about the correct input value.
Once the user enters a correct value, the text input field turns green. Press enter to write the value to the spectrum attribute.
Once the value is written, the text field is cleared as below:
