PCUI API Reference - v5.2.0
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    Class Element

    The base class for all UI elements.

    Hierarchy (View Summary)

    Index

    Constructors

    constructor

    Accessors

    alignItems alignSelf binding class dom enabled error flexBasis flexDirection flexGrow flexShrink flexWrap height hidden hiddenToRoot ignoreParent justifyContent justifySelf parent readOnly style tabIndex width

    Methods

    destroy flash link unlink create register unregister

    Events

    EVENT_CLICK EVENT_DESTROY EVENT_DISABLE EVENT_ENABLE EVENT_HIDE EVENT_HIDE_TO_ROOT EVENT_HOVER EVENT_HOVER_END EVENT_PARENT EVENT_READ_ONLY EVENT_SHOW EVENT_SHOW_TO_ROOT

    Constructors

    Accessors

    • get enabled(): boolean

      Gets whether the Element or its parent chain is enabled or not.

      Returns boolean

    • set enabled(value: boolean): void

      Sets whether the Element or its parent chain is enabled or not. Defaults to true.

      Parameters

      • value: boolean

      Returns void

    • get height(): number

      Gets the height of the Element in pixels.

      Returns number

    • set height(value: string | number): void

      Sets the height of the Element in pixels. Can also be an empty string to remove it.

      Parameters

      • value: string | number

      Returns void

    • get hiddenToRoot(): boolean

      Gets whether the Element is hidden all the way up to the root. If the Element itself or any of its parents are hidden then this is true.

      Returns boolean

    • get ignoreParent(): boolean

      Gets whether the Element will ignore parent events & variable states.

      Returns boolean

    • set ignoreParent(value: boolean): void

      Sets whether the Element will ignore parent events & variable states.

      Parameters

      • value: boolean

      Returns void

    • get width(): number

      Gets the width of the Element in pixels.

      Returns number

    • set width(value: string | number): void

      Sets the width of the Element in pixels. Can also be an empty string to remove it.

      Parameters

      • value: string | number

      Returns void

    Methods

    • Links the specified observers and paths to the Element's data binding.

      Parameters

      • observers: Observer | Observer[]

        An array of observers or a single observer.

      • paths: string | string[]

        A path for the observer(s) or an array of paths that maps to each separate observer.

      Returns void

    • Creates a new Element of the desired type.

      Parameters

      • type: string

        The type of the Element (registered by Element#register).

      • args: ElementArgs

        Arguments for the Element.

      Returns any

      The new Element or undefined if type is not found.

    • Type Parameters

      Parameters

      • type: string

        The type we want to reference this Element by.

      • cls: Object

        The actual class of the Element.

      • OptionaldefaultArguments: any

        Default arguments when creating this type.

      Returns void

    Events

    EVENT_CLICK: "click" = 'click'

    Fired when the mouse is clicked on the Element but only if the Element is enabled. The native DOM MouseEvent is passed as a parameter to the event handler.

    const element = new Element();
    element.on('click', (evt: MouseEvent) => {
        console.log('Element clicked');
    });
    EVENT_DESTROY: "destroy" = 'destroy'

    Fired after the element has been destroyed. Both the DOM element and the owner Element instance are passed as parameters to the event handler.

    const element = new Element();
    element.on('destroy', (dom: HTMLElement, element: Element) => {
        console.log('Element destroyed');
    });
    EVENT_DISABLE: "disable" = 'disable'

    Fired when the Element gets disabled.

    const element = new Element();
    element.on('disable', () => {
        console.log('Element disabled');
    });
    EVENT_ENABLE: "enable" = 'enable'

    Fired when the Element gets enabled.

    const element = new Element();
    element.on('enable', () => {
        console.log('Element enabled');
    });
    EVENT_HIDE: "hide" = 'hide'

    Fired when the Element gets hidden.

    const element = new Element();
    element.on('hide', () => {
        console.log('Element hidden');
    });
    EVENT_HIDE_TO_ROOT: "hideToRoot" = 'hideToRoot'

    Fired when the Element or any of its parent get hidden.

    const element = new Element();
    element.on('hideToRoot', () => {
        console.log('Element or one of its parents hidden');
    });
    EVENT_HOVER: "hover" = 'hover'

    Fired when the mouse starts hovering on the Element. The native DOM MouseEvent is passed as a parameter to the event handler.

    const element = new Element();
    element.on('hover', (evt: MouseEvent) => {
        console.log('Element hovered');
    });
    EVENT_HOVER_END: "hoverend" = 'hoverend'

    Fired when the mouse stops hovering on the Element. The native DOM MouseEvent is passed as a parameter to the event handler.

    const element = new Element();
    element.on('hoverend', (evt: MouseEvent) => {
        console.log('Element hover ended');
    });
    EVENT_PARENT: "parent" = 'parent'

    Fired when the Element's parent gets set.

    const element = new Element();
    element.on('parent', (parent: Element) => {
        console.log(`Element's parent is now ${parent}`);
    });
    EVENT_READ_ONLY: "readOnly" = 'readOnly'

    Fired when the readOnly property of an Element changes.

    const element = new Element();
    element.on('readOnly', (readOnly: boolean) => {
        console.log(`Element is now ${readOnly ? 'read only' : 'editable'}`);
    });
    EVENT_SHOW: "show" = 'show'

    Fired when the Element stops being hidden.

    const element = new Element();
    element.on('show', () => {
        console.log('Element shown');
    });
    EVENT_SHOW_TO_ROOT: "showToRoot" = 'showToRoot'

    Fired when the Element and all of its parents become visible.

    const element = new Element();
    element.on('showToRoot', () => {
        console.log('Element and all of its parents shown');
    });

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