const class dom::EventType

sys::Obj
  dom::EventType

@Js

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EventType contains constants for the different DOM event types, which are used in methods like Elem.onEvent.

blur

const static Str blur := "blur"

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The blur event is fired when an element has lost focus.

contextMenu

const static Str contextMenu := "contextmenu"

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Fired when the right button of the mouse is clicked (before the context menu is displayed), or when the context menu key is pressed (in which case the context menu is displayed at the bottom left of the focused element, unless the element is a tree, in which case the context menu is displayed at the bottom left of the current row).

drag

const static Str drag := "drag"

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This event is fired at the source of the drag and is the element where dragStart was fired during the drag operation.

dragEnd

const static Str dragEnd := "dragend"

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The source of the drag will receive a dragEnd event when the drag operation is complete, whether it was successful or not. This event is not fired when dragging a file into the browser from the OS.

dragEnter

const static Str dragEnter := "dragenter"

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Fired when the mouse enters an element while a drag is occurring. A listener for this event should indicate whether a drop is allowed over this location. If there are no listeners, or the listeners perform no operations, then a drop is not allowed by default. This is also the event to listen for in order to provide feedback that a drop is allowed, such as displaying a highlight or insertion marker.

dragLeave

const static Str dragLeave := "dragleave"

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This event is fired when the mouse leaves an element while a drag is occurring. Listeners should remove any highlighting or insertion markers used for drop feedback.

dragOver

const static Str dragOver := "dragover"

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This event is fired as the mouse is moving over an element when a drag is occurring. Much of the time, the operation that occurs during a listener will be the same as the dragEnter event.

dragStart

const static Str dragStart := "dragstart"

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Fired on an element when a drag is started. The user is requesting to drag the element where the dragstart event is fired. During this event, a listener would set information such as the drag data and image to be associated with the drag. This event is not fired when dragging a file into the browser from the OS.

drop

const static Str drop := "drop"

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The drop event is fired on the element where the drop occurred at the end of the drag operation. A listener would be responsible for retrieving the data being dragged and inserting it at the drop location. This event will only fire if a drop is desired. It will not fire if the user cancelled the drag operation, for example by pressing the Escape key, or if the mouse button was released while the mouse was not over a valid drop target.

focus

const static Str focus := "focus"

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The focus event is fired when an element has received focus

input

const static Str input := "input"

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Fired synchronously when the value of an <input> or <textarea> element is changed.

keyDown

const static Str keyDown := "keydown"

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Fired when a key is pressed down.

keyPress

const static Str keyPress := "keypress"

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Fired when a key is pressed down and that key normally produces a character value (use input instead).

keyUp

const static Str keyUp := "keyup"

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Fired when a key is released.

mouseClick

const static Str mouseClick := "click"

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Fired when a mouse button is pressed and released on a single element.

mouseDoubleClick

const static Str mouseDoubleClick := "dblclick"

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Fired when a mouse button is clicked twice on a single element.

mouseDown

const static Str mouseDown := "mousedown"

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Fired when a mouse button is pressed on an element.

mouseEnter

const static Str mouseEnter := "mouseenter"

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Fired when mouse is moved over the element that has the listener attached. Similar to mouseOver, it differs in that it doesn't bubble and that it isn't sent when the mouse is moved from one of its descendants' physical space to its own physical space.

With deep hierarchies, the amount of mouseenter events sent can be quite huge and cause significant performance problems. In such cases, it is better to listen for mouseOver events.

mouseLeave

const static Str mouseLeave := "mouseleave"

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Fired when mouse is moved off the element that has the listener attached. Similar to mouseOut, it differs in that it doesn't bubble and that it isn't sent until the pointer has moved from its physical space and the one of all its descendants.

With deep hierarchies, the amount of mouseleave events sent can be quite huge and cause significant performance problems. In such cases, it is better to listen for mouseOut events.

mouseMove