Widget Class Reference

Inheritance diagram for Widget:

Collaboration diagram for Widget:

Public Member Functions
	addElement (WidgetElement $element, $index=null)
	insertElement (WidgetElement $element, $before_index, $index=null)
	getElement ($index)
	getElements ()
	removeElement ($index)
	hasElements ()
	hasElement ($index)
	forceRendering ($state=true)
	render ($variables=array())
	__isset ($offset)
	__get ($offset)
	__set ($offset, $value)
	__unset ($offset)

Protected Member Functions
	guessIndex (WidgetElement $element)

Protected Attributes
	$elements = array()
	$template = 'widgets/widget'
	$template_variables = array()
	$layout = 'widgets/widget-layout'
	$forced_rendering = false

Detailed Description

Generic Widget

Author

Jan-Hendrik Willms tleil.nosp@m.ax+s.nosp@m.tudip.nosp@m.@gma.nosp@m.il.co.nosp@m.m @license GPL 2 or later

Since

3.1

Member Function Documentation

__get()

__get

(

$offset

)

__isset()

__isset

(

$offset

)

__set()

__set	(		$offset,
			$value
	)

__unset()

__unset

(

$offset

)

addElement()

addElement	(	WidgetElement	$element,
			$index = null
	)

Add an element to the widget.

Parameters

WidgetElement	$element	The actual element
String	$index	Index/name of the element

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forceRendering()

forceRendering

(

$state = true

)

Force rendering

Parameters

bool

$state

Whether to force rendering or not

getElement()

getElement

(

$index

)

Retrieve the element at the specified position.

Parameters

String

$index

Index/name of the element to retrieve.

Returns

WidgetElement The element at the specified position.

Exceptions

Exception

if the specified position is invalid

getElements()

getElements

(

)

Returns all elements of the widget.

Returns

array of WidgetElement

guessIndex()

guessIndex ( WidgetElement  $element )

protected

Tries to guess an appropriate index name for the element.

Parameters

WidgetElement

$element

The element in question

Returns

String Appropriate index name

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hasElement()

hasElement

(

$index

)

Returns whether an element exists at the given index.

Parameters

String

$index

Index/name of the element to check for.

Returns

bool Does a widget exist at the given index?

hasElements()

hasElements

(

)

Returns whether this widget has any elements.

Returns

bool True if the widget has at least one element, false otherwise.

Reimplemented in SearchWidget.

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insertElement()

insertElement	(	WidgetElement	$element,
			$before_index,
			$index = null
	)

Insert an element before a specific other element or at the end of the list if the specified position is invalid.

Parameters

WidgetElement	$element	The actual element
String	$before_index	Insert element before this element.
String	$index	Index/name of the element

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removeElement()

removeElement

(

$index

)

Removes the element at the specified position.

Parameters

String

$index

Index/name of the element to remove.

Exceptions

Exception

if the specified position is invalid

render()

render

(

$variables = array()

)

Renders the widget. The widget will only be rendered if it contains at least one element.

Returns

String The THML code of the rendered sidebar widget

Reimplemented in HelpbarWidget, ListWidget, SearchWidget, SelectWidget, SemesterSelectorWidget, and SidebarWidget.

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Field Documentation

$elements

$elements = array()

protected

Contains the elements of the widget.

$forced_rendering

$forced_rendering = false

protected

Forced rendering?

$layout

$layout = 'widgets/widget-layout'

protected

Layout for this widget

$template

$template = 'widgets/widget'

protected

Contains the template used to render the widget.

$template_variables

$template_variables = array()

protected

Contains additional template variables

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The documentation for this class was generated from the following file:

• lib/classes/Widget.php