Module: delite/CustomElement

delite/CustomElement

require(["delite/CustomElement"], function (CustomElement) { new CustomElement(); })

Base class for all custom elements.

Use this class rather that Widget for non-visual custom elements. Custom elements can provide custom setters/getters for properties, which are called automatically when the value is set. For an attribute XXX, define methods _setXXXAttr() and/or _getXXXAttr()
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Members

createdCallback

Some doc.
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destroy

Destroy this class, releasing any resources registered via own().
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Methods

defer(fcn, delay)

Wrapper to setTimeout to avoid deferred functions executing after the originating widget has been destroyed. Returns an object handle with a remove method (that returns null) (replaces clearTimeout).
Parameters:
Name Type Description
fcn Object Function reference.
delay Object Delay, defaults to 0.
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emit()

Signal that a synthetic event occurred, ex: 


myWidget.emit("attrmodified-selectedChildWidget", {}).

Emits an event of specified type, based on eventObj. Also calls onType() method, if present, and returns value from that method. Modifies eventObj by adding missing parameters (bubbles, cancelable, widget).
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findCustomElements(Element)

Search subtree under root returning custom elements found.
Parameters:
Name Type Argument Description
Element <optional>
 root Node to search under.
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mix()

Set a hash of properties on a Stateful instance
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Example
myObj.mix({
	foo: "Howdy",
	bar: 3
})

on()

Call specified function when event occurs, ex: myWidget.on("click", function () { ... }).
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own()

Track specified handles and remove/destroy them when this instance is destroyed, unless they were already removed/destroyed manually.
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processConstructorParameters()

Called after Object is created to process parameters passed to constructor.
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watch()

Watches a property for changes.
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