152 lines
3.2 KiB
Haxe
152 lines
3.2 KiB
Haxe
package io.newgrounds.swf.common;
|
|
|
|
import openfl.display.Stage;
|
|
import openfl.events.Event;
|
|
import openfl.events.MouseEvent;
|
|
import openfl.display.MovieClip;
|
|
|
|
class Button {
|
|
|
|
var _enabled:Bool;
|
|
public var enabled(get, set):Bool;
|
|
function get_enabled():Bool { return _enabled; }
|
|
function set_enabled(value:Bool):Bool {
|
|
|
|
if (value != _enabled) {
|
|
|
|
_enabled = value;
|
|
updateEnabled();
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
public var onClick:Void->Void;
|
|
public var onOver:Void->Void;
|
|
public var onOut:Void->Void;
|
|
|
|
var _target:MovieClip;
|
|
var _down:Bool;
|
|
var _over:Bool;
|
|
var _foundLabels:Array<String>;
|
|
|
|
public function new(target:MovieClip, onClick:Void->Void = null, onOver:Void->Void = null, onOut:Void->Void = null) {
|
|
|
|
_target = target;
|
|
this.onClick = onClick;
|
|
this.onOver = onOver;
|
|
this.onOut = onOut;
|
|
|
|
_foundLabels = new Array<String>();
|
|
for (label in _target.currentLabels)
|
|
_foundLabels.push(label.name);
|
|
|
|
_target.stop();
|
|
_target.addEventListener(Event.ADDED_TO_STAGE, onAdded);
|
|
if (target.stage != null)
|
|
onAdded(null);
|
|
|
|
enabled = true;
|
|
}
|
|
|
|
function onAdded(e:Event):Void {
|
|
|
|
var stage = _target.stage;
|
|
stage.addEventListener(MouseEvent.MOUSE_UP, mouseHandler);
|
|
_target.addEventListener(MouseEvent.MOUSE_OVER, mouseHandler);
|
|
_target.addEventListener(MouseEvent.MOUSE_OUT, mouseHandler);
|
|
_target.addEventListener(MouseEvent.MOUSE_DOWN, mouseHandler);
|
|
_target.addEventListener(MouseEvent.CLICK, mouseHandler);
|
|
|
|
function selfRemoveEvent(e:Event):Void {
|
|
|
|
_target.removeEventListener(Event.REMOVED_FROM_STAGE, selfRemoveEvent);
|
|
onRemove(e, stage);
|
|
}
|
|
_target.addEventListener(Event.REMOVED_FROM_STAGE, selfRemoveEvent);
|
|
}
|
|
|
|
function onRemove(e:Event, stage:Stage):Void {
|
|
|
|
stage.removeEventListener(MouseEvent.MOUSE_UP, mouseHandler);
|
|
_target.removeEventListener(MouseEvent.MOUSE_OVER, mouseHandler);
|
|
_target.removeEventListener(MouseEvent.MOUSE_OUT, mouseHandler);
|
|
_target.removeEventListener(MouseEvent.MOUSE_DOWN, mouseHandler);
|
|
_target.removeEventListener(MouseEvent.CLICK, mouseHandler);
|
|
}
|
|
|
|
function mouseHandler(event:MouseEvent):Void {
|
|
|
|
switch(event.type) {
|
|
|
|
case MouseEvent.MOUSE_OVER:
|
|
|
|
_over = true;
|
|
|
|
if (onOver != null)
|
|
onOver();
|
|
|
|
case MouseEvent.MOUSE_OUT:
|
|
|
|
_over = false;
|
|
|
|
if (onOut != null)
|
|
onOut();
|
|
|
|
case MouseEvent.MOUSE_DOWN:
|
|
|
|
_down = true;
|
|
|
|
case MouseEvent.MOUSE_UP:
|
|
|
|
_down = false;
|
|
|
|
case MouseEvent.CLICK:
|
|
|
|
if (enabled && onClick != null)
|
|
onClick();
|
|
}
|
|
updateState();
|
|
}
|
|
|
|
function updateEnabled():Void {
|
|
|
|
updateState();
|
|
|
|
_target.useHandCursor = enabled;
|
|
_target.buttonMode = enabled;
|
|
}
|
|
|
|
function updateState():Void {
|
|
|
|
var state = determineState();
|
|
|
|
if (_target.currentLabel != state && _foundLabels.indexOf(state) != -1)
|
|
_target.gotoAndStop(state);
|
|
}
|
|
|
|
function determineState():String {
|
|
|
|
if (enabled) {
|
|
|
|
if (_over)
|
|
return _down ? "down" : "over";
|
|
|
|
return "up";
|
|
|
|
}
|
|
return "disabled";
|
|
}
|
|
|
|
public function destroy():Void {
|
|
|
|
_target.removeEventListener(Event.ADDED_TO_STAGE, onAdded);
|
|
|
|
_target = null;
|
|
onClick = null;
|
|
onOver = null;
|
|
onOut = null;
|
|
_foundLabels = null;
|
|
}
|
|
}
|