| [7849] | 1 | package charts {
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| 2 |
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| 3 | import flash.events.Event;
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| 4 | import flash.events.MouseEvent;
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| 5 | import charts.series.Element;
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| 6 | import charts.series.dots.scat;
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| 7 | import string.Utils;
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| 8 | import flash.geom.Point;
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| 9 | import flash.display.Sprite;
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| 10 | import flash.display.BlendMode;
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| 11 | import charts.series.dots.DefaultDotProperties;
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| 12 |
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| 13 |
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| 14 | public class ScatterLine extends ScatterBase
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| 15 | {
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| 16 | public var stepgraph:Number = 0;
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| 17 | public static const STEP_HORIZONTAL:Number = 1;
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| 18 | public static const STEP_VERTICAL:Number = 2;
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| 19 |
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| 20 | public function ScatterLine( json:Object )
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| 21 | {
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| 22 | super(json);
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| 23 | //
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| 24 | // so the mask child can punch a hole through the line
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| 25 | //
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| 26 | this.blendMode = BlendMode.LAYER;
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| 27 | //
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| 28 |
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| 29 | this.style = {
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| 30 | values: [],
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| 31 | width: 2,
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| 32 | colour: '#3030d0',
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| 33 | text: '', // <-- default not display a key
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| 34 | 'font-size': 12,
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| 35 | stepgraph: 0,
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| 36 | axis: 'left'
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| 37 | };
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| 38 |
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| 39 | // hack: keep this incase the merge kills it, we'll
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| 40 | // remove the merge later (and this hack)
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| 41 | var tmp:Object = json['dot-style'];
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| 42 |
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| 43 | object_helper.merge_2( json, style );
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| 44 |
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| 45 | this.default_style = new DefaultDotProperties(
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| 46 | json['dot-style'], this.style.colour, this.style.axis);
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| 47 |
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| 48 | this.style.colour = string.Utils.get_colour( style.colour );
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| 49 |
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| 50 | this.line_width = style.width;
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| 51 | this.colour = this.style.colour;
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| 52 | this.key = style.text;
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| 53 | this.font_size = style['font-size'];
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| 54 | //this.circle_size = style['dot-size'];
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| 55 |
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| 56 | switch (style['stepgraph']) {
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| 57 | case 'horizontal':
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| 58 | stepgraph = STEP_HORIZONTAL;
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| 59 | break;
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| 60 | case 'vertical':
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| 61 | stepgraph = STEP_VERTICAL;
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| 62 | break;
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| 63 | }
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| 64 |
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| 65 | this.values = style.values;
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| 66 | this.add_values();
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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 | // Draw points...
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| 72 | public override function resize( sc:ScreenCoordsBase ): void {
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| 73 |
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| 74 | // move the dots:
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| 75 | super.resize( sc );
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| 76 |
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| 77 | this.graphics.clear();
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| 78 | this.graphics.lineStyle( this.style.width, this.style.colour );
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| 79 |
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| 80 | //if( this.style['line-style'].style != 'solid' )
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| 81 | // this.dash_line(sc);
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| 82 | //else
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| 83 | this.solid_line(sc);
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| 84 |
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| 85 | }
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| 86 |
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| 87 | //
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| 88 | // This is cut and paste from LineBase
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| 89 | //
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| 90 | public function solid_line( sc:ScreenCoordsBase ): void {
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| 91 |
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| 92 | var first:Boolean = true;
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| 93 | var last_x:Number = 0;
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| 94 | var last_y:Number = 0;
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| 95 |
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| 96 | var areaClosed:Boolean = true;
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| 97 | var isArea:Boolean = false;
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| 98 | var areaBaseX:Number = NaN;
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| 99 | var areaBaseY:Number = NaN;
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| 100 | var areaColour:Number = this.colour;
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| 101 | var areaAlpha:Number = 0.4;
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| 102 | var areaStyle:Object = this.style['area-style'];
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| 103 | if (areaStyle != null)
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| 104 | {
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| 105 | isArea = true;
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| 106 | if (areaStyle.x != null)
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| 107 | {
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| 108 | areaBaseX = areaStyle.x;
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| 109 | }
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| 110 | if (areaStyle.y != null)
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| 111 | {
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| 112 | areaBaseY = areaStyle.y;
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| 113 | }
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| 114 | if (areaStyle.colour != null)
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| 115 | {
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| 116 | areaColour = string.Utils.get_colour( areaStyle.colour );
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| 117 | }
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| 118 | if (areaStyle.alpha != null)
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| 119 | {
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| 120 | areaAlpha = areaStyle.alpha;
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| 121 | }
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| 122 | if (!isNaN(areaBaseX))
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| 123 | {
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| 124 | // Convert X Value to screen position
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| 125 | areaBaseX = sc.get_x_from_val(areaBaseX);
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| 126 | }
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| 127 | if (!isNaN(areaBaseY))
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| 128 | {
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| 129 | // Convert Y Value to screen position
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| 130 | areaBaseY = sc.get_y_from_val(areaBaseY); // TODO: Allow for right Y-Axis??
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| 131 | }
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| 132 | }
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| 133 |
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| 134 | for ( var i:Number = 0; i < this.numChildren; i++ ) {
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| 135 |
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| 136 | var tmp:Sprite = this.getChildAt(i) as Sprite;
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| 137 |
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| 138 | //
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| 139 | // filter out the line masks
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| 140 | //
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| 141 | if( tmp is Element )
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| 142 | {
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| 143 | var e:Element = tmp as Element;
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| 144 |
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| 145 | // tell the point where it is on the screen
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| 146 | // we will use this info to place the tooltip
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| 147 | e.resize( sc );
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| 148 | if (!e.visible)
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| 149 | {
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| 150 | // Creates a gap in the plot and closes out the current area if defined
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| 151 | if ((isArea) && (i > 0))
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| 152 | {
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| 153 | // draw an invisible line back to the base and close the fill
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| 154 | areaX = isNaN(areaBaseX) ? last_x : areaBaseX;
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| 155 | areaY = isNaN(areaBaseY) ? last_y : areaBaseY;
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| 156 | this.graphics.lineStyle( 0, areaColour, 0 );
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| 157 | this.graphics.lineTo(areaX, areaY);
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| 158 | this.graphics.endFill();
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| 159 | areaClosed = true;
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| 160 | }
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| 161 | first = true;
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| 162 | }
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| 163 | else if( first )
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| 164 | {
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| 165 | if (isArea)
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| 166 | {
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| 167 | // draw an invisible line from the base to the point
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| 168 | var areaX:Number = isNaN(areaBaseX) ? e.x : areaBaseX;
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| 169 | var areaY:Number = isNaN(areaBaseY) ? e.y : areaBaseY;
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| 170 | // Begin the fill for the area
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| 171 | this.graphics.beginFill(areaColour, areaAlpha);
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| 172 | this.graphics.lineStyle( 0, areaColour, 0 );
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| 173 | this.graphics.moveTo(areaX, areaY);
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| 174 | this.graphics.lineTo(e.x, e.y);
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| 175 | areaClosed = false;
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| 176 | // change the line style back to normal
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| 177 | this.graphics.lineStyle( this.style.width, this.style.colour, 1.0 );
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| 178 | }
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| 179 | else
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| 180 | {
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| 181 | // just move to the point
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| 182 | this.graphics.moveTo(e.x, e.y);
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| 183 | }
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| 184 | first = false;
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| 185 | }
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| 186 | else
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| 187 | {
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| 188 | if (this.stepgraph == STEP_HORIZONTAL)
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| 189 | this.graphics.lineTo(e.x, last_y);
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| 190 | else if (this.stepgraph == STEP_VERTICAL)
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| 191 | this.graphics.lineTo(last_x, e.y);
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| 192 |
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| 193 | this.graphics.lineTo(e.x, e.y);
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| 194 | }
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| 195 | last_x = e.x;
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| 196 | last_y = e.y;
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| 197 | }
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| 198 | }
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| 199 |
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| 200 | // Close out the area if defined
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| 201 | if (isArea && !areaClosed)
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| 202 | {
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| 203 | // draw an invisible line back to the base and close the fill
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| 204 | areaX = isNaN(areaBaseX) ? last_x : areaBaseX;
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| 205 | areaY = isNaN(areaBaseY) ? last_y : areaBaseY;
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| 206 | this.graphics.lineStyle( 0, areaColour, 0 );
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| 207 | this.graphics.lineTo(areaX, areaY);
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| 208 | this.graphics.endFill();
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| 209 | }
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| 210 | }
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| 211 |
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| 212 | }
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| 213 | }
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