| 1 | package charts.series.dots {
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| 2 |
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| 3 | import flash.display.Sprite;
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| 4 | import flash.display.Graphics;
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| 5 | import flash.display.BlendMode;
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| 6 | import charts.series.Element;
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| 7 | import caurina.transitions.Tweener;
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| 8 | import caurina.transitions.Equations;
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| 9 | import string.Utils;
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| 10 | import flash.geom.Point;
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| 11 |
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| 12 | public class star extends PointDotBase {
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| 13 |
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| 14 | public function star( index:Number, value:Properties ) {
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| 15 |
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| 16 | var colour:Number = string.Utils.get_colour( value.get('colour') );
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| 17 |
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| 18 | super( index, value );
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| 19 |
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| 20 | this.tooltip = this.replace_magic_values( value.get('tip') );
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| 21 | this.attach_events();
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| 22 |
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| 23 | // if style.x is null then user wants a gap in the line
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| 24 | //
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| 25 | // I don't understand what this is doing...
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| 26 | //
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| 27 | // if (style.x == null)
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| 28 | // {
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| 29 | // this.visible = false;
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| 30 | // }
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| 31 | // else
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| 32 | // {
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| 33 |
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| 34 | if (value.get('hollow'))
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| 35 | {
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| 36 | // Hollow - set the fill to the background color/alpha
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| 37 | if (value.get('background-colour') != null)
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| 38 | {
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| 39 | var bgColor:Number = string.Utils.get_colour( value.get('background-colour') );
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| 40 | }
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| 41 | else
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| 42 | {
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| 43 | bgColor = colour;
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| 44 | }
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| 45 |
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| 46 | this.graphics.beginFill(bgColor, value.get('background-alpha'));
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| 47 | }
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| 48 | else
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| 49 | {
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| 50 | // set the fill to be the same color and alpha as the line
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| 51 | this.graphics.beginFill( colour, value.get('alpha') );
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| 52 | }
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| 53 |
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| 54 | this.graphics.lineStyle( value.get('width'), colour, value.get('alpha') );
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| 55 |
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| 56 | this.drawStar_2(this.graphics, this.radius, value.get('rotation'));
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| 57 | // Check to see if part of the line needs to be erased
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| 58 | if (value.get('halo-size') > 0)
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| 59 | {
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| 60 | var s:Sprite = new Sprite();
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| 61 | s.graphics.lineStyle( 0, 0, 0 );
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| 62 | s.graphics.beginFill( 0, 1 );
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| 63 | this.drawStar_2(s.graphics, value.get('halo-size')+this.radius, value.get('rotation'));
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| 64 | s.blendMode = BlendMode.ERASE;
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| 65 | s.graphics.endFill();
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| 66 | this.line_mask = s;
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| 67 | }
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| 68 | // }
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| 69 |
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| 70 | }
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| 71 |
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| 72 |
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| 73 | public override function set_tip( b:Boolean ):void {
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| 74 | if ( b )
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| 75 | {
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| 76 | if ( !this.is_tip )
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| 77 | {
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| 78 | Tweener.addTween(this, {scaleX:1.3, time:0.4, transition:"easeoutbounce"} );
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| 79 | Tweener.addTween(this, {scaleY:1.3, time:0.4, transition:"easeoutbounce" } );
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| 80 | if (this.line_mask != null)
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| 81 | {
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| 82 | Tweener.addTween(this.line_mask, {scaleX:1.3, time:0.4, transition:"easeoutbounce"} );
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| 83 | Tweener.addTween(this.line_mask, {scaleY:1.3, time:0.4, transition:"easeoutbounce" } );
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| 84 | }
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| 85 | }
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| 86 | this.is_tip = true;
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| 87 | }
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| 88 | else
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| 89 | {
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| 90 | Tweener.removeTweens(this);
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| 91 | Tweener.removeTweens(this.line_mask);
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| 92 | this.scaleX = 1;
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| 93 | this.scaleY = 1;
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| 94 | if (this.line_mask != null)
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| 95 | {
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| 96 | this.line_mask.scaleX = 1;
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| 97 | this.line_mask.scaleY = 1;
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| 98 | }
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| 99 | this.is_tip = false;
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| 100 | }
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| 101 | }
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| 102 |
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| 103 | private function drawStar_2( aGraphics:Graphics, aRadius:Number,
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| 104 | aRotation:Number ):void
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| 105 | {
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| 106 | var angle:Number = 360 / 10;
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| 107 |
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| 108 | // Start at top point (unrotated)
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| 109 | var degrees:Number = -90 + aRotation;
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| 110 | for (var ix:int = 0; ix < 11; ix++)
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| 111 | {
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| 112 | var rad:Number;
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| 113 | rad = (ix % 2 == 0) ? aRadius : aRadius/2;
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| 114 | var xVal:Number = calcXOnCircle(rad, degrees);
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| 115 | var yVal:Number = calcYOnCircle(rad, degrees);
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| 116 | if(ix == 0)
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| 117 | {
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| 118 | aGraphics.moveTo(xVal, yVal);
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| 119 | }
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| 120 | else
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| 121 | {
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| 122 | aGraphics.lineTo(xVal, yVal);
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| 123 | }
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| 124 | degrees += angle;
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| 125 | }
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| 126 | }
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| 127 |
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| 128 | }
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| 129 | }
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