Class: File

jala.Form.Component.File(name)

Subclass of jala.Form.Component.Input which renders and validates a file upload.

Constructor

new File(name)

Creates a new File component instance
Parameters:
Name Type Description
name String Name of the component, used as name of the html controls.
Source:
Returns:
A newly created File component

Methods

checkRequirements(reqData, tracker)

Validates a file upload by making sure it's there (if REQUIRE is set), checking the file size, the content type and by trying to construct an image.
Parameters:
Name Type Description
reqData Object request data
tracker jala.Form.Tracker jala.Form.Tracker object storing possible error messages
Source:
Returns:
null if everything is ok or string containing error message

renderControls(attr, value, reqData)

Renders a file input tag to the response.
Parameters:
Name Type Description
attr Object Basic attributes for this element.
value Object Value to be used for rendering this element.
reqData Object Request data for the whole form. This argument is passed only if the form is re-rendered after an error occured.
Source: