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BaseButton.as
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2020-08-04
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224 lines
package fl.controls
{
import fl.core.InvalidationType;
import fl.core.UIComponent;
import fl.events.ComponentEvent;
import flash.display.DisplayObject;
import flash.events.MouseEvent;
import flash.events.TimerEvent;
import flash.utils.Timer;
public class BaseButton extends UIComponent
{
private static var defaultStyles:Object = {
"upSkin":"Button_upSkin",
"downSkin":"Button_downSkin",
"overSkin":"Button_overSkin",
"disabledSkin":"Button_disabledSkin",
"selectedDisabledSkin":"Button_selectedDisabledSkin",
"selectedUpSkin":"Button_selectedUpSkin",
"selectedDownSkin":"Button_selectedDownSkin",
"selectedOverSkin":"Button_selectedOverSkin",
"focusRectSkin":null,
"focusRectPadding":null,
"repeatDelay":500,
"repeatInterval":35
};
protected var _selected:Boolean = false;
private var unlockedMouseState:String;
protected var pressTimer:Timer;
protected var mouseState:String;
protected var background:DisplayObject;
private var _mouseStateLocked:Boolean = false;
protected var _autoRepeat:Boolean = false;
public function BaseButton()
{
_selected = false;
_autoRepeat = false;
_mouseStateLocked = false;
super();
buttonMode = true;
mouseChildren = false;
useHandCursor = false;
setupMouseEvents();
setMouseState("up");
pressTimer = new Timer(1,0);
pressTimer.addEventListener(TimerEvent.TIMER,buttonDown,false,0,true);
}
public static function getStyleDefinition() : Object
{
return defaultStyles;
}
protected function endPress() : void
{
pressTimer.reset();
}
public function set mouseStateLocked(param1:Boolean) : void
{
_mouseStateLocked = param1;
if(param1 == false)
{
setMouseState(unlockedMouseState);
}
else
{
unlockedMouseState = mouseState;
}
}
public function get autoRepeat() : Boolean
{
return _autoRepeat;
}
public function set autoRepeat(param1:Boolean) : void
{
_autoRepeat = param1;
}
override public function set enabled(param1:Boolean) : void
{
super.enabled = param1;
mouseEnabled = param1;
}
public function get selected() : Boolean
{
return _selected;
}
protected function mouseEventHandler(param1:MouseEvent) : void
{
if(param1.type == MouseEvent.MOUSE_DOWN)
{
setMouseState("down");
startPress();
}
else if(param1.type == MouseEvent.ROLL_OVER || param1.type == MouseEvent.MOUSE_UP)
{
setMouseState("over");
endPress();
}
else if(param1.type == MouseEvent.ROLL_OUT)
{
setMouseState("up");
endPress();
}
}
public function setMouseState(param1:String) : void
{
if(_mouseStateLocked)
{
unlockedMouseState = param1;
return;
}
if(mouseState == param1)
{
return;
}
mouseState = param1;
invalidate(InvalidationType.STATE);
}
protected function startPress() : void
{
if(_autoRepeat)
{
pressTimer.delay = Number(getStyleValue("repeatDelay"));
pressTimer.start();
}
dispatchEvent(new ComponentEvent(ComponentEvent.BUTTON_DOWN,true));
}
protected function buttonDown(param1:TimerEvent) : void
{
if(!_autoRepeat)
{
endPress();
return;
}
if(pressTimer.currentCount == 1)
{
pressTimer.delay = Number(getStyleValue("repeatInterval"));
}
dispatchEvent(new ComponentEvent(ComponentEvent.BUTTON_DOWN,true));
}
public function set selected(param1:Boolean) : void
{
if(_selected == param1)
{
return;
}
_selected = param1;
invalidate(InvalidationType.STATE);
}
override public function get enabled() : Boolean
{
return super.enabled;
}
override protected function draw() : void
{
if(isInvalid(InvalidationType.STYLES,InvalidationType.STATE))
{
drawBackground();
invalidate(InvalidationType.SIZE,false);
}
if(isInvalid(InvalidationType.SIZE))
{
drawLayout();
}
super.draw();
}
protected function setupMouseEvents() : void
{
addEventListener(MouseEvent.ROLL_OVER,mouseEventHandler,false,0,true);
addEventListener(MouseEvent.MOUSE_DOWN,mouseEventHandler,false,0,true);
addEventListener(MouseEvent.MOUSE_UP,mouseEventHandler,false,0,true);
addEventListener(MouseEvent.ROLL_OUT,mouseEventHandler,false,0,true);
}
protected function drawLayout() : void
{
background.width = width;
background.height = height;
}
protected function drawBackground() : void
{
var _loc1_:* = null;
var _loc2_:DisplayObject = null;
_loc1_ = !!enabled ? mouseState : "disabled";
if(selected)
{
_loc1_ = "selected" + _loc1_.substr(0,1).toUpperCase() + _loc1_.substr(1);
}
_loc1_ += "Skin";
_loc2_ = background;
background = getDisplayObjectInstance(getStyleValue(_loc1_));
addChildAt(background,0);
if(_loc2_ != null && _loc2_ != background)
{
removeChild(_loc2_);
}
}
}
}