Difference between revisions of "Action"
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All Actions must be derived from the '''Action''' base class, and should implement the <tt>available</tt> and <tt>execute</tt> methods. | All Actions must be derived from the '''Action''' base class, and should implement the <tt>available</tt> and <tt>execute</tt> methods. | ||
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+ | Refer to the built-in Actions in the resources/scripts/actions directory for examples. | ||
=== Attributes === | === Attributes === |
Revision as of 19:22, 18 November 2012
Action
All Actions must be derived from the Action base class, and should implement the available and execute methods.
Refer to the built-in Actions in the resources/scripts/actions directory for examples.
Attributes
These attributes are read-only.
Name | Description |
---|---|
actionType | The Action Type |
extension | If the Action implements an importer or exporter, the file extension the action works with |
id | The Action class name |
label | The Action label that appears in the Actions menu |
Methods
Name | Description |
---|---|
__init__(label, menu=None, type=Action, extension=None) | Constructor - Initializes the base class. The menu can be listed separately or prefixed to the label with the '|' character. |
available() | Should return True (the default) if the Action is available. The Action should examine the current state in this method and assert (with an optional error message) that conditions are good for execution. |
execute(path=None) | Called to execute the Action. UI Actions should be undoable. Importer/Exporter actions are passed the path to the file to operate on. |
Constants
Action Type
Name | Description |
---|---|
Action | A normal action that appears in the Actions menu (the default) |
ShapeImporter | An Action that should appear in the Shape Import menu |
ShapeExporter | An Action that should appear in the Shape Export menu |
Extension | An Action that implements core functionality is bound using some other means |