97 lines
2.7 KiB
TypeScript
97 lines
2.7 KiB
TypeScript
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class DOMEvent
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{
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// Trigger for the DOM event
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Trigger: HTMLElement | Window;
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// Event name
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EventName: string;
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constructor(trigger: HTMLElement | Window, event_name: string)
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{
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this.Trigger = trigger;
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this.EventName = event_name;
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}
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Subscribe(listener: EventListener) : void
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{
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this.Trigger.addEventListener(this.EventName, listener, false);
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}
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Unsubscribe(listener: EventListener) : void
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{
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this.Trigger.removeEventListener(this.EventName, listener, false);
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}
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}
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namespace DOM
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{
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export namespace Event
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{
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// Retrieves the event from the first parameter passed into an HTML event
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export function Get(event: MouseEvent) : MouseEvent
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{
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// Internet explorer doesn't pass the event
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return <MouseEvent>window.event || event;
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}
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// Stops events bubbling up to parent event handlers
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export function StopPropagation(event: Event)
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{
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if (event)
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{
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event.cancelBubble = true;
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if (event.stopPropagation)
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event.stopPropagation();
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}
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}
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// Stop default action for event
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export function StopDefaultAction(event: Event)
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{
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if (event && event.preventDefault)
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event.preventDefault();
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else if (window.event && window.event.returnValue)
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window.event.returnValue = false;
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}
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// Get the position of the mouse cursor, page relative
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export function GetMousePosition(event: MouseEvent) : int2
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{
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let e = Get(event);
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let p = new int2();
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if (e.pageX || e.pageY)
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{
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p.x = e.pageX;
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p.y = e.pageY;
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}
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else if (event.clientX || event.clientY)
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{
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p.x = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
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p.y = e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
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}
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return p;
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}
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}
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//export namespace Node
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{
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// Append an arbitrary block of HTML to an existing element
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/*export function AppendHTML(node: HTMLElement, html: string) : HTMLElement
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{
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var child = CreateHTML(html);
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node.appendChild(child);
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return child;
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}*/
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// Append a div that clears the float style
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/*export function AppendClearFloat(node: HTMLElement) : HTMLElement
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{
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var child = document.createElement("div");
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child.style.clear = "both";
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node.appendChild(child);
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return child;
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}*/
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}
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}
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