system.gui.getQuality

This function is used in Python Scripting.

Description

Returns the data quality for the property of the given component as an integer. This function can be used to check the quality of a Tag binding on a component in the middle of the script so that alternative actions can be taken in the event of device disconnections.

A description of the quality codes can be found on the Quality Codes and Overlays page.

Client Permission Restrictions

This scripting function has no Client Permission restrictions.

Syntax

system.gui.getQuality(component, propertyName)

Parameters

Type	Parameter	Description
JComponent	component	The component whose property is being checked.
String	propertyName	The name of the property as a string value.

Returns

Integer - The data quality of the given property as an integer.

Scope

Vision Client

Code Examples

Example #1

# The following code checks the quality code on an component. If a quality is anything other than good, a message appears.
  
# Fetch the quality code from the Value property on a Numeric Label. The Numeric Label in this example is inside the same container as this script.
qualityCode = system.gui.getQuality(event.source.parent.getComponent('Numeric Label'), "value")
   
# Evaluate the quality code. If a value other than 192 is returned:
if str(qualityCode) == "Good":
    # The quality code is good, so continue working. This example simply shows a message, but could be modified to do something more meaningful
    system.gui.messageBox("The property is showing good quality") 
else:
    # ...then show a message informing the user. Using Python's string formatting (%i) to pass the quality code into the message.
    system.gui.messageBox("Operation Aborted \n The associated tag is showing quality code %s \n Please check the device connection" % qualityCode)