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|
import mx.events.EventDispatcher;
import mx.utils.Delegate;
import mx.core.UIComponent;
[Event("pressed")]
[Event("changed")]
[Event("changing")]
class Slider extends UIComponent
{
var addEventListener : Function;
var removeEventListener : Function;
static var dispatchEvent : Function;
var __width : Number;
var __height : Number;
var boundingBox_mc : MovieClip;
var mc_line : MovieClip;
var mc_arrow_1 : MovieClip;
var mc_arrow_2 : MovieClip;
static var _currentXPos:Number = 0;
var start_x : Number;
var end_x : Number;
var _min : Number = 0;
var _max : Number = 0;
var _steps : Number = 0;
var _arrow : String;
var _points : String;
var lockPoints : Array;
var lock_point:Number;
var pressed:Boolean;
var oldvalue:Number;
static var innerDepth : Number = 10;
static var _alreadyInserted : Boolean;
function Slider ()
{
_min = 0;
_max = 100;
_steps = 0;
EventDispatcher.initialize (this);
}
function init ():Void
{
super.init ();
boundingBox_mc._visible = false;
}
private function draw ():Void
{
__do_layout ();
}
private function size ():Void
{
super.size ();
}
private function createChildren ():Void
{
mc_line = this.createEmptyMovieClip ("line", 1);
mc_arrow_1 = this.attachMovie (_arrow != "" ? _arrow : "arrow_mc", "arrow_1", 2);
mc_arrow_2 = this.attachMovie (_arrow != "" ? _arrow : "arrow_mc", "arrow_2", 3);
//mc_arrow_2.removeMovieClip()
mc_arrow_2._visible = false;
start_x = mc_arrow_1._width / 2;
end_x = __width - start_x;
__do_properties ();
}
public function refresh ():Void
{
mc_line.removeMovieClip ();
mc_arrow_1.removeMovieClip ();
createChildren ();
__do_layout ();
}
private function __do_layout ():Void
{
mc_line = this.createEmptyMovieClip ("line", 1);
mc_line.clear ();
mc_line.lineStyle (0.1, this.getStyle ("lineColor") , 100);
mc_line.moveTo (start_x, Math.round (mc_arrow_1._height / 2));
mc_line.lineTo (end_x, Math.round (mc_arrow_1._height / 2));
var total_w:Number = mc_line._width;
var total:Number = _steps;
var point : MovieClip;
lockPoints = new Array ();
var a:Number;
for (a = 0; a <= total; a ++)
{
point = mc_line.attachMovie (_points != "" ? _points : "points_mc", "point_" + (a + 1) , (a + 1));
point._x = start_x - (point._width / 2) + total_w * (a / total);
if (this.getStyle ("displayPoints") == false)
{
point._visible = false;
}
point._y = Math.round (mc_arrow_1._height / 2) - point._height;
lockPoints.push ([start_x + total_w * (a / total) , _min + (a * steps)]);
}
mc_arrow_1.lock_point = 0;
mc_arrow_2.lock_point = lockPoints.length;
// -1 (pour restreindre le mca1_x par rapport à mca2_x)
mc_arrow_1._x = 0;
mc_arrow_2._x = end_x + 200;
//- mc_arrow_2._width/2
}
private function mc_arrow1_press(evt:Object){
dispatchEvent (
{
target : this, type : "pressed"
});
pressed = true;
oldvalue = lock_point
trace(evt.target._parent)
if (this._parent.mc_arrow_2.getDepth () > this.getDepth ()) this.swapDepths (this._parent.mc_arrow_2)
this.onMouseMove = function ()
{
var _mx = evt.target._parent.__get_x (evt.target._parent._xmouse, 1)
if (_mx [1] != undefined && _mx [1] > Slider._currentXPos)
{
/*****************/
var oldx = this._x;
this._x = _mx [1] - this._width / 2;
lock_point = _mx [0];
if (_mx [1] - this._width / 2 != oldx)
{
dispatchEvent (
{
type : "changing", target : this, changed : 1
});
}
}
updateAfterEvent ();
}
}
private function mc_arrow1_release(){
if (oldvalue != lock_point)
{
this._parent.dispatchEvent (
{
type : "changed", target : this, changed : this._name == "arrow_1" ? 1 : 2
});
}
delete onMouseMove;
pressed = false;
}
private function __do_properties ():Void
{mc_arrow_1.onPress = Delegate.create(this, mc_arrow1_press);
mc_arrow_1.onRelease = Delegate.create(this,mc_arrow1_release)
}
private function __get_x (num : Number, which : Number) : Array
{
var avg : Number;
if (num >= 0 && num <= mc_line._width)
{
if (which == 2)
{
for (var a = lockPoints.length - 1; a > mc_arrow_1.lock_point; a --)
{
if (num <= lockPoints [a][0] && num >= lockPoints [a - 1][0])
{
return [a, lockPoints [a][0]];
}
}
} else
{
for (var a = 0; a < mc_arrow_2.lock_point; a ++)
{
if (num >= lockPoints [a][0] && num <= lockPoints [a + 1][0])
{
avg = lockPoints [a + 1][0] - lockPoints [a][0];
if (num - lockPoints [a][0] < avg / 2)
{
return [a, lockPoints [a][0]];
}
}
}
}
}
else
{
if (num < 0)
{
if (which == 1)
{
return [0, lockPoints [0][0]];
} else
{
return [mc_arrow_1.lock_point + 1, lockPoints [mc_arrow_1.lock_point + 1][0]];
}
}
if (num > mc_line._width)
{
if (which == 2)
{
return [lockPoints.length - 1, lockPoints [lockPoints.length - 1][0]];
} else
{
return [mc_arrow_2.lock_point - 1, lockPoints [mc_arrow_2.lock_point - 1][0]];
}
}
return [undefined, undefined];
}
}
public function getValue () : Number //: Array
{
var x1 = mc_arrow_1.lock_point ;
return x1
}
[Inspectable(defaultValue=0,type="Number")]
public function set min (num : Number)
{
_min = num;
}
public function get min () : Number
{
return _min;
}
[Inspectable(defaultValue=0,type="Number")]
public function set max (num : Number)
{
_max = num;
}
public function get max () : Number
{
return _max;
}
[Inspectable(defaultValue=0,type="Number")]
public function set steps (num : Number)
{
_steps = num;
refresh ();
}
public function get steps () : Number
{
return _steps;
}
[Inspectable(defaultValue="",type="String")]
public function set arrow (value : String)
{
_arrow = value;
refresh ();
}
[Inspectable(defaultValue="",type="String")]
public function set points (value : String)
{
_points = value;
//refresh ();
}
public function set alreadyInserted (value : Boolean)
{
Slider._alreadyInserted = value;
}
public function get alreadyInserted () : Boolean
{
return Slider._alreadyInserted;
}
} |
[FLASH 8] [components] eventDispatcher
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