class UIColumn

A view class that represents a column container component.

class UIColumn
extends UIContainer

Description

A column container lays out its contained components vertically.

Constructor

• constructor(…content)Creates a new column container view object with the provided view content.

Instance Members

• applyViewPreset(preset)Applies the provided preset properties to this object.
• widthColumn width, in pixels or CSS length with unit.
• alignAlignment of content along the horizontal axis.
• distributeDistribution of content along the vertical axis.

Inherited Members

• findViewContent(type)Implementation of View.findViewContent() that searches within this container.
• delegateContentEvent(event, emitDelegate?) protectedDelegates events from content view objects.
• content readonlyThe list of all content view objects.
• layoutOptions related to layout of content components within this container.
• paddingPadding around contained elements, in pixels or CSS length with unit, or an object with separate offset values.
• spacingSpace between components, in pixels or CSS length with unit.
• asyncContentRenderingTrue if content views should be rendered asynchronously.
• allowFocusTrue if this container itself may receive direct input focus.
• allowKeyboardFocusTrue if this container itself may receive input focus using the keyboard (e.g. Tab key).
• hiddenTrue if the component should be hidden from view.
• positionOptions related to the position of this component.
• accessibleRoleWAI-ARIA role for this component, if applicable.
• accessibleLabelWAI-ARIA label text for this component (not tooltip), if applicable.
• requestFocus()Requests input focus on this component.
• requestFocusNext()Requests input focus for the next sibling component.
• requestFocusPrevious()Requests input focus for the previous sibling component.
• render(callback)Triggers asynchronous rendering for this component, and all contained components, if any.
• lastRenderOutputLast rendered output, if any; set by the UI component renderer.
• emit(event)Emits an event, immediately calling all event handlers.
• emitChange(name?, data?)Emits a change event, an instance of ManagedChangeEvent.
• listen(handler)Adds a handler for all events emitted by this object.
• isUnlinked()Returns true if the object has been unlinked.
• unlink()Unlinks this managed object.
• beforeUnlink() protectedA method that’s called immediately before unlinking an object, can be overridden.
• attach(target, observer?) protectedAttaches the provided managed object to this object.
• autoAttach(propertyName, observer?) protectedObserves a property, so that any object assigned to it is attached immediately.