Class: HorizontalSlider

HorizontalSlider

new HorizontalSlider(idopt, initialValueopt, smallIncrementopt, largeIncrementopt, largeIncrementAfteropt)

The horizontal slider widget provides a method for users to pecificy a value between 0 and 1 using VK_LEFT and VK_RIGHT
Parameters:
Name Type Attributes Description
id String <optional>
 The unique ID of the widget. If excluded, a temporary internal ID will be used (but not included in any output).
initialValue double <optional>
 Initial value for the slider.
smallIncrement double <optional>
 Amount to increase/decrease the value by when VK_LEFT or VK_RIGHT is pressed.
largeIncrement double <optional>
 Amount to increase/decrease the value by when VK_LEFT or VK_RIGHT is held down.
largeIncrementAfter double <optional>
 Number of smallIncrements to perform until switching to largeIncrement when key is held down.
Source:
Requires:
  • module:antie.events.KeyEvent
  • module:antie.events.SliderChangeEvent

Extends

Requires

  • module:antie.events.KeyEvent
  • module:antie.events.SliderChangeEvent

Methods

addClass(className)

Adds a CSS class to the widget if not already present.
Parameters:
Name Type Description
className String The class name to add.
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addEventListener(ev, func)

Add an event listener function to this widget.
Parameters:
Name Type Description
ev String The event type to listen for (e.g. keydown)
func function The handler to be called when the event is fired.
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appendChildWidget(widget)

Appends a child widget to this widget.
Parameters:
Name Type Description
widget antie.widgets.Widget The child widget to add.
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broadcastEvent()

Broadcasts an event from the application level to every single object it contains.
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bubbleEvent(ev)

Bubbles an event from object, triggering any event listeners bound to this widget and any parent widgets. To halt bubbling of the event, see antie.events.Event#stopPropagation.
Parameters:
Name Type Description
ev antie.events.Event The event to bubble.
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fireEvent(ev)

Fires an event on this object, triggering any event listeners bound to this widget only. Note: this does not bubble or propagate the event to other widgets, for that functionality see #bubbleEvent.
Parameters:
Name Type Description
ev antie.events.Event The event to fire.
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focus()

Moves focus to a button within this container. Focused button will be that which follows the current 'active' path.
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Returns:
Boolean true if focus has been moved to a button. Otherwise returns false.

getActiveChildWidget()

Get the current active widget.
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Returns:
The current active widget

getChildWidget(id)

Get a child widget from its unique ID.
Parameters:
Name Type Description
id String The id of the child widget to return.
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Returns:
antie.widgets.Widget of the widget with the given ID, otherwise undefined if the child does not exist.

getChildWidgetCount()

Gets the number of direct child widgets.
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Returns:
The number of direct child widgets.

getChildWidgets()

Get an array of all this widget's children.
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Returns:
An array of all this widget's children.

getClasses()

Get an array of class names that this widget has.
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Returns:
An array of class names (Strings)

getComponent()

Returns the component this widget is a descendant of
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getCurrentApplication()

Gets a reference to the application responsible for creating the widget.
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See:
  • antie.RuntimeContext

getDataItem()

Get any data item associated with this widget.
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getValue()

Returns the current value shown by the progress indicator.
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hasChildWidget(id)

Checks to see if a specific widget is a direct child of this widget.
Parameters:
Name Type Description
id String The widget id of the widget to check to see if it is a direct child of this widget.
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hasClass(className)

Checks to see if the widget has a given CSS class.
Parameters:
Name Type Description
className String The class name to check.
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Returns:
Boolean true if the device has the className. Otherwise boolean false.

hide(options)

Hides a widget. If animation is enabled the widget will be faded out of view.
Parameters:
Name Type Description
options Object Details of the element to be shown, with optional parameters.
Properties
Name Type Attributes Default Description
skipAnim Boolean <optional>
 By default the showing of the element will be animated (faded in). Pass true here to prevent animation.
onComplete function <optional>
 Callback function to be called when the element has been shown.
fps Number <optional>
 25 Frames per second for fade animation.
duration Number <optional>
 840 Duration of fade animation, in milliseconds (ms).
easing String <optional>
 linear Easing style for fade animation.
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Returns:
Boolean true if animation was called, otherwise false

insertChildWidget(index, widget)

Inserts a child widget at the specified index.
Parameters:
Name Type Description
index Integer The index where to insert the child widget.
widget antie.widgets.Widget The child widget to add.
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isComponent() → {Boolean}

Returns whether the widget is a Component.
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Returns:
True if the widget is a Component.
Type
Boolean

isFocusable()

Checks to see if a widget is focussable, i.e. contains an enabled button.
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isFocussed()

Get if this widget is in the current focus path.
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Returns:
Boolean true if this widget is in the focus path, otherwise false.

moveTo(options)

Moves a widget so that its top-left corner is at the given position.
Parameters:
Name Type Description
options Object Details of the element to be shown, with optional parameters.
Properties
Name Type Attributes Default Description
skipAnim Boolean <optional>
 By default the showing of the element will be animated (faded in). Pass true here to prevent animation.
onComplete function <optional>
 Callback function to be called when the element has been shown.
fps Number <optional>
 25 Frames per second for fade animation.
duration Number <optional>
 840 Duration of fade animation, in milliseconds (ms).
easing String <optional>
 linear Easing style for fade animation.
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Returns:
Boolean true if animation was called, otherwise false

prependWidget(widget)

Inserts a widget before the current one.
Parameters:
Name Type Description
widget antie.widgets.Widget The child widget to add.
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removeChildWidget(widget, retainElementopt)

Removes a specific child widget from this widget.
Parameters:
Name Type Attributes Description
widget antie.widgets.Widget The child widget to remove.
retainElement Boolean <optional>
 Pass true to retain the child output element of the given widget
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removeChildWidgets()

Remove all child widgets from this widget.
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removeClass(className)

Removes a CSS class from the widget if present.
Parameters:
Name Type Description
className String The class name to remove.
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removeEventListener(ev, func)

Removes an event listener function to this widget.
Parameters:
Name Type Description
ev String The event type that the listener is to be removed from (e.g. keydown)
func function The handler to be removed.
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removeFocus()

Remove focus state from this widget.
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render(device)

Renders the widget and any child widgets to device-specific output.
Parameters:
Name Type Description
device antie.devices.Device The device to render to.
Overrides:
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Returns:
A device-specific object that represents the widget as displayed on the device (in a browser, a DOMElement);

setActiveChildIndex(index)

Attempts to set focus to the child widget at the given index.
Parameters:
Name Type Description
index Integer Index of the child widget to set focus to.
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Returns:
Boolean true if the child widget was focusable, otherwise boolean false.

setActiveChildWidget(widget)

Attempt to set focus to the given child widget. Note: You can only set focus to a focusable widget. A focusable widget is one that contains an enabled antie.widgets.Button as either a direct or indirect child. Note: Widgets have 2 independent states: active and focussed. A focussed widget is either the Button with focus, or any parent of that Button. An active widget is one which is the active child of its parent Container. When the parent widget receives focus, focus will be placed on the active child. Classes 'active' and 'focus' are appended to widgets with these states.
Parameters:
Name Type Description
widget antie.widgets.Widget The child widget to set focus to.
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Returns:
Boolean true if the child widget was focusable, otherwise boolean false.

setDataItem(dataItem)

Associate a data item with this widget.
Parameters:
Name Type Description
dataItem object Object to associate with this widget.
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setSmallIncrement(val)

Sets the small increment
Parameters:
Name Type Description
val Float The increment value (between 0.0 and 1.0 inclusive).
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setValue(val)

Sets the current value to be shown by the progress indicator.
Parameters:
Name Type Description
val Float The value to show (between 0.0 and 1.0 inclusive).
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show(options)

Shows a widget. If animation is enabled the widget will be faded in.
Parameters:
Name Type Description
options Object Details of the element to be shown, with optional parameters.
Properties
Name Type Attributes Default Description
skipAnim Boolean <optional>
 By default the showing of the element will be animated (faded in). Pass true here to prevent animation.
onComplete function <optional>
 Callback function to be called when the element has been shown.
fps Number <optional>
 25 Frames per second for fade animation.
duration Number <optional>
 840 Duration of fade animation, in milliseconds (ms).
easing String <optional>
 linear Easing style for fade animation.
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Returns:
Boolean true if animation was called, otherwise false