Class: AbstractWidget

(abstract) parasql.widget.AbstractWidget

The AbstractWidget class is the root class for all ParaSQL widgets.
License:
  • https://www.parasql.com/about/license.jsp

Extends

  • Object

Methods

addEventListener(type, listener)

Adds an event listener to this widget. This can also be done via the Events... option on the tool bar.
Parameters:
Name Type Description
type string A valid event type.
listener string A string containing either the name of a JavaScript function to call, an inline function to be called, or code that resolves to an object which implements a handleEvent(event) method.
See:
Examples
// add an inline function as an event listener 
parasql.app.getWidgetById('ID1007').addEventListener('render','function (event) { event.target.getContentDiv().innerHTML = "Inline Hello World"; }');
// add a function call as an event listener
parasql.app.getWidgetById('ID1008').addEventListener('render','renderHelloWidget');
// add an object as an event listener; the object must implement handleEvent(event)
document.myClass = new MyClass();
parasql.app.getWidgetById('ID1009').addEventListener('render','document.myClass');

getWidgetId() → (non-null) {string}

Returns:
Returns an immutable string that uniquely identifies this widget.
Type
string

redisplay()

Redisplays this widget.