kvision / pl.treksoft.kvision.core / Widget

Widget

open class Widget : StyledComponent

Base widget class. The parent of all component classes.

A simple widget is rendered as HTML DIV element.

Constructors

<init>

Widget(classes: Set<String> = setOf())

Creates basic Widget with given CSS class names.

Properties

draggable	`var draggable: Boolean?` Determines if the current widget is draggable.
id	`var id: String?` An ID attribute of generated HTML element.
parent	`open var parent: Component?` Parent of the current component.
role	`var role: String?` A role attribute of generated HTML element.
title	`var title: String?` A title attribute of generated HTML element.
visible	`open var visible: Boolean` Visibility state of the current component.

Inherited Properties

background	`var background: Background?` Background of the current component.
border	`var border: Border?` Border of the current component.
borderBottom	`var borderBottom: Border?` Bottom border of the current component.
borderLeft	`var borderLeft: Border?` Left border of the current component.
borderRight	`var borderRight: Border?` Right border of the current component.
borderTop	`var borderTop: Border?` Top border of the current component.
bottom	`var bottom: CssSize?` Bottom edge of the current component.
color	`var color: Color?` Text color for the current component.
colorHex	`var colorHex: Int?` Text color for the current component given in hex format (write only).
colorName	`var colorName: Col?` Text color for the current component given with named constant (write only).
height	`var height: CssSize?` Height of the current component.
left	`var left: CssSize?` Left edge of the current component.
margin	`var margin: CssSize?` Margin of the current component.
marginBottom	`var marginBottom: CssSize?` Bottom margin of the current component.
marginLeft	`var marginLeft: CssSize?` Left margin of the current component.
marginRight	`var marginRight: CssSize?` Right margin of the current component.
marginTop	`var marginTop: CssSize?` Top margin of the current component.
maxHeight	`var maxHeight: CssSize?` Maximal height of the current component.
maxWidth	`var maxWidth: CssSize?` Maximal width of the current component.
minHeight	`var minHeight: CssSize?` Minimal height of the current component.
minWidth	`var minWidth: CssSize?` Minimal width of the current component.
opacity	`var opacity: Double?` Opacity of the current component.
overflow	`var overflow: Overflow?` CSS overflow of the current component.
padding	`var padding: CssSize?` Padding of the current component.
paddingBottom	`var paddingBottom: CssSize?` Bottom padding of the current component.
paddingLeft	`var paddingLeft: CssSize?` Left padding of the current component.
paddingRight	`var paddingRight: CssSize?` Right padding of the current component.
paddingTop	`var paddingTop: CssSize?` Top padding of the current component.
position	`var position: Position?` CSS position of the current component.
resize	`var resize: Resize?` CSS resize of the current component.
right	`var right: CssSize?` Right edge of the current component.
top	`var top: CssSize?` Top edge of the current component.
width	`open var width: CssSize?` Width of the current component.
zIndex	`var zIndex: Int?` Z-index of the current component.

Functions

addCssClass	`open fun addCssClass(css: String): Widget` Adds given value to the set of CSS classes generated in html code of current component.
addSurroundingCssClass	`open fun addSurroundingCssClass(css: String): Widget` Adds given value to the set of CSS classes generated in html code of parent component.
afterCreate	`open fun afterCreate(node: VNode): Unit` Method called after creating Snabbdom vnode.
afterDestroy	`open fun afterDestroy(): Unit` Method called after destroying Snabbdom vnode.
afterInsert	`open fun afterInsert(node: VNode): Unit` Method called after inserting Snabbdom vnode into the DOM.
afterPostpatch	`open fun afterPostpatch(node: VNode): Unit` Method called after updating Snabbdom vnode.
clearDragDropData	`open fun clearDragDropData(): Unit` Clears D&D data for the current widget. It also makes it not draggable.
getElement	`open fun getElement(): Node?` Returns DOM element bound to the current component.
getElementJQuery	`open fun getElementJQuery(): JQuery?` Returns JQuery element bound to the current component.
getElementJQueryD	`open fun getElementJQueryD(): dynamic` Returns JQuery element bound to the current component as a dynamic type.
getSnAttrs	`open fun getSnAttrs(): List<StringPair>` Returns list of element attributes in the form of a List.
getSnClass	`open fun getSnClass(): List<StringBoolPair>` Returns list of CSS class names for current widget in the form of a List.
getSnHooks	`open fun getSnHooks(): Hooks?` Returns list of hooks in the form of a Snabbdom Hooks object.
getSnOn	`open fun getSnOn(): On?` Returns list of event handlers in the form of a Snabbdom On object.
hide	`open fun hide(): Widget` Makes current widget invisible.
removeCssClass	`open fun removeCssClass(css: String): Widget` Removes given value from the set of CSS classes generated in html code of current component.
removeEventListeners	`open fun removeEventListeners(): Widget` Removes all event listeners from current widget.
removeSurroundingCssClass	`open fun removeSurroundingCssClass(css: String): Widget` Removes given value from the set of CSS classes generated in html code of parent component.
render	`open fun render(): VNode` `open fun render(elementName: String): VNode` `open fun render(elementName: String, children: Array<dynamic>): VNode` Renders current component as a Snabbdom vnode.
setDragDropData	`open fun setDragDropData(format: String, data: String): Unit` Sets D&D data for the current widget. It also makes it draggable.
setDropTarget	`open fun setDropTarget(format: String, callback: (DragEvent) -> Unit): Unit` `open fun setDropTarget(formats: Set<String>? = null, callback: (DragEvent) -> Unit): Unit` Sets the current widget as a D&D drop target.
setDropTargetData	`open fun setDropTargetData(format: String, callback: (String?) -> Unit): Unit` Sets the current widget as a D&D drop target with helper callback accepting String data.
setEventListener	`open fun <T : Widget> setEventListener(block: SnOn<T>.() -> Unit): Widget` Sets an event listener for current widget, keeping the actual type of component. `open fun setEventListener(block: SnOn<Widget>.() -> Unit): Widget` Sets an event listener for current widget.
show	`open fun show(): Widget` Makes current widget visible.
toggleVisible	`open fun toggleVisible(): Widget` Toggles visibility of current widget.

Inherited Functions

getSnStyle

open fun getSnStyle(): List<StringPair>

Returns the list of String pairs defining CSS style attributes and their values.

Companion Object Functions

widget

fun Container.widget(classes: Set<String> = setOf(), init: Widget.() -> Unit = null): Widget

DSL builder extension function.

Inheritors

AbstractTextInput	`abstract class AbstractTextInput : Widget` Base class for basic text components.
Button	`open class Button : Widget` Button component.
CheckInput	`open class CheckInput : Widget` The basic input component rendered as HTML input type="checkbox" or input type="radio".
CloseIcon	`open class CloseIcon : Widget` Helper class for close icon component.
DataContainer	`class DataContainer<M : DataComponent, C : Component> : Widget, Container, DataUpdatable` A container class with support for observable data model.
DateTimeInput	`open class DateTimeInput : Widget` Basic date/time chooser component.
Image	`open class Image : Widget` Image component.
SelectOption	`open class SelectOption : Widget` The helper component for adding options to Select or SelectOptGroup.
SimplePanel	`open class SimplePanel : Widget, Container` Basic container class, rendered as a DIV element with all children directly within.
SpinnerInput	`open class SpinnerInput : Widget` The basic component for spinner control.
WidgetWrapper	`open class WidgetWrapper : Widget` This class allows to wrap a component into separately styled DIV element.