Perspective - Tag Browse Tree Scripting

This page details the component-specific events and functions available for Perspective's Tag Browse Tree component. Right-click on the component or select Components from the Designer menubar to access the Configure Events and Configure Scripts popups.

Component Events

The Perspective Event Types Reference page describes all the possible component event types for Perspective components.

onNodeClick

Fires whenever a node is clicked.

Object Path	Type	Description
event.name	String	The name of the node that was clicked.
event.path	String	The Tag path of the node that was clicked.

onNodeDoubleClick

Fires whenever a node is double-clicked.

Object Path	Type	Description
event.name	String	The name of the node that was clicked.
event.path	String	The Tag path of the node that was clicked.

onNodeContextMenu

Fires whenever a node is right-clicked.

Object Path	Type	Description
event.name	String	The name of the node that was clicked.
event.path	String	The Tag path of the node that was clicked.

Component Functions

This component does not have component functions associated with it.

Extension Functions

filterBrowseNode

• Description

  • Called for each Tag before it is displayed in the Tag Browse Tree. Provides an opportunity to create a complex filter for the Tags in the Tag Browse Tree. filerBrowseNode is best used alongside the Tag Browse Tree's root.path property to specify where the filter should begin filtering. Return False to exclude the Tag from displayed results.

• Parameters

  • ComponentModelScriptWrapper.SafetyWrapper self - A reference to the component that is invoking this function.
  • NodeBrowseInfo node - The Tag returned as type NodeBrowseInfo. See the Ignition JavaDocs for usage.

• Return

  • Boolean - The function must return either a True or False.

Example

filterBrowseNode Example

# This example will filter out any nodes (both Tags and folders included) that do not match the string Ramp.
if node.name == "Ramp":
    return True
else:
    return False