diff options
Diffstat (limited to 'libs/open-flash-chart/actionscript/PieStyle.as')
| -rw-r--r-- | libs/open-flash-chart/actionscript/PieStyle.as | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/libs/open-flash-chart/actionscript/PieStyle.as b/libs/open-flash-chart/actionscript/PieStyle.as new file mode 100644 index 0000000000..5e31f1355c --- /dev/null +++ b/libs/open-flash-chart/actionscript/PieStyle.as @@ -0,0 +1,275 @@ +import flash.external.ExternalInterface;
+
+
+class PieStyle extends Style
+{
+ var TO_RADIANS:Number = Math.PI/180;
+ var labels:Array;
+ var links:Array;
+ var colours:Array;
+
+ var text_colour:Number;
+
+ public var values:Array;
+
+ private var pie_mcs:Array;
+ public var name:String;
+
+ private var gradientFill:String = 'true'; //toggle gradients
+ private var border_width:Number = 1;
+
+ public function PieStyle( lv:LoadVars, name:String )//, links:String )
+ {
+ this.labels = new Array();
+ this.links = new Array();
+ this.colours = new Array();
+
+ this.name = name;
+
+ this.parse( lv.pie );
+ this.labels = lv.pie_labels.split(',');
+ this.links = lv.links.split(',');
+
+ var tmp:Array;
+ if( lv.colours != undefined )
+ tmp = lv.colours.split(',');
+
+ // allow for both spellings fo colour.
+ if( lv.colors != undefined )
+ tmp = lv.colours.split(',');
+
+
+ for( var i:Number=0; i<tmp.length; i++ )
+ this.colours.push( _root.get_colour( tmp[i] ) );
+
+
+ var tmp:Array = this.parseVals( lv.values );
+ this.set_values( tmp );
+ }
+
+ public function parse( val:String ) : Void
+ {
+ var vals:Array = val.split(",");
+
+ this.alpha = Number( vals[0] );
+ this.colour = _root.get_colour( vals[1] );
+ this.text_colour = _root.get_colour( vals[2] );
+
+ if( vals.length > 3 )
+ this.gradientFill = vals[3];
+
+ if( vals.length > 4 )
+ this.border_width = vals[4];
+ }
+
+ private function parseVals( val:String ):Array
+ {
+ var tmp:Array = Array();
+
+ var vals:Array = val.split(",");
+ for( var i:Number=0; i < vals.length; i++ )
+ {
+ tmp.push( vals[i] );
+ }
+ return tmp;
+ }
+
+ // override Style:set_values
+ function set_values( v:Array )
+ {
+ super.set_values( v );
+
+ // make an empty array to hold each bar MovieClip:
+ this.pie_mcs = new Array( this.values.length );
+
+ for( var i:Number=0; i < this.values.length; i++ )
+ {
+ var mc:MovieClip = _root.createEmptyMovieClip( this.name+'_'+i, _root.getNextHighestDepth() );
+
+ mc.onRollOver = function() {ChartUtil.FadeIn(this, true); };
+ mc.onRollOut = function() {ChartUtil.FadeOut(this); };
+
+ if(this.links.length>i)
+ {
+ mc._ofc_link = this.links[i];
+ mc.onRelease = function ():Void { trace(this._ofc_link); getURL(this._ofc_link); };
+ }
+
+ // this is used in FadeIn and FadeOut
+ var tooltip:Object = {x_label:this.labels[i], value:this.values[i], key:'??'};
+ mc.tooltip = tooltip;
+
+ // add the MovieClip to our array:
+ this.pie_mcs[i] = mc;
+ }
+
+ this.valPos();
+ }
+
+ private function valPos() : Void
+ {
+ this.ExPoints = new Array();
+
+ var total:Number = 0;
+ var slice_start:Number=0;
+ for( var i:Number=0; i < this.values.length; i++)
+ {
+ total += Number(values[i]);
+ }
+
+ for( var i:Number=0; i < this.values.length; i++)
+ {
+ var slice_percent :Number = Number(this.values[i])*100/total;
+
+ this.ExPoints.push(
+ new ExPoint(
+ slice_start, // x position of value
+ 0, // center (not applicable for a bar)
+ Number(this.values[i]), //y
+ slice_percent,//width
+ // min=-100 and max=100, use b.zero
+ // min = 10 and max = 20, use b.bottom
+ slice_start, //bar bottom
+ //ChartUtil.format(slice_percent)+"%"+"\n"+ChartUtil.format(values[i]), //tooltip
+ //_root.format(slice_percent)+"%"+"\n"+_root.format(values[i])
+ slice_percent
+ //,"#" //link
+ )
+ );
+
+ slice_start += slice_percent;
+ }
+ }
+
+ public function draw() : Void
+ {
+
+ //var colors_array:Array = [0xd01f3c,0x356aa0,0xC79810,0x73880A,0xD15600,0x6BBA70];
+
+ for( var i:Number=0; i < this.ExPoints.length; i++ ) {
+ //ignore non-positive values
+ if( this.ExPoints[i].bar_width > 0)
+ {
+ this.draw_slice( this.ExPoints[i], i, this.colours[i%this.colours.length], this.labels[i], this.links[i] );
+ }
+ }
+ }
+
+ function draw_slice( value:ExPoint, num:Number, color:Number, label:String, link:String ) : Void
+ {
+ //radius for the pie
+ var r1:Number = (Stage.width<Stage.height) ? Stage.width/2-60 : Stage.height/2-60;
+
+ //the slice to be drawn
+ //var pieSlice: MovieClip = _root.createEmptyMovieClip(name, _root.getNextHighestDepth());
+ var pieSlice:MovieClip = this.pie_mcs[num];
+ pieSlice.clear();
+
+
+
+ //line from center to edge
+ pieSlice.lineStyle(this.border_width, this.colour, 100);
+
+ //if the user selected the charts to be gradient filled do gradients
+ if( this.gradientFill == 'true' )
+ {
+ //set gradient fill
+ var colors:Array = [color, color];
+ var alphas:Array = [100, 50];
+ var ratios:Array = [100,255];
+ var matrix:Object = {a:r1*2, b:0, c:50, d:0, e:r1*2, f:0, g:-3, h:3, i:1};
+ pieSlice.beginGradientFill("radial", colors, alphas, ratios, matrix);
+ }
+ else
+ pieSlice.beginFill(color, 100);
+
+ pieSlice.moveTo(0, 0);
+ pieSlice.lineTo(r1, 0);
+
+
+ var angle:Number = 4;
+ var a:Number = Math.tan((angle/2)*TO_RADIANS);
+
+ var i:Number = 0;
+ //draw curve segments spaced by angle
+ for( i=0; i+angle < value.bar_width*3.6; i+=angle) {
+ var endx:Number = r1*Math.cos((i+angle)*TO_RADIANS);
+ var endy:Number = r1*Math.sin((i+angle)*TO_RADIANS);
+ var ax:Number = endx+r1*a*Math.cos(((i+angle)-90)*TO_RADIANS);
+ var ay:Number = endy+r1*a*Math.sin(((i+angle)-90)*TO_RADIANS);
+ pieSlice.curveTo(ax, ay, endx, endy);
+ }
+
+ //when aproaching end of slice, refine angle interval
+ var angle:Number = 0.08;
+ var a:Number = Math.tan((angle/2)*TO_RADIANS);
+
+ for ( ; i+angle < value.bar_width*3.6; i+=angle) {
+ var endx:Number = r1*Math.cos((i+angle)*TO_RADIANS);
+ var endy:Number = r1*Math.sin((i+angle)*TO_RADIANS);
+ var ax:Number = endx+r1*a*Math.cos(((i+angle)-90)*TO_RADIANS);
+ var ay:Number = endy+r1*a*Math.sin(((i+angle)-90)*TO_RADIANS);
+ pieSlice.curveTo(ax, ay, endx, endy);
+ }
+
+ //close slice
+ pieSlice.endFill();
+ pieSlice.lineTo(0,0);
+
+ //move slice to center
+ pieSlice._x = Stage.width/2;//x;
+ pieSlice._y = Stage.height/2;//y;
+
+ //rotate slice to appropriate place in pie
+ pieSlice._rotation = 3.6*value.bar_bottom;
+
+ if( this.labels.length>0 )
+ {
+ var labelLineSize:Number = 1.1*r1;
+
+ //draw line
+ pieSlice.lineStyle(1, this.colour, 100);
+ //move to center of arc
+ pieSlice.moveTo(r1*Math.cos(value.bar_width/2*3.6*TO_RADIANS), r1*Math.sin(value.bar_width/2*3.6*TO_RADIANS));
+
+ //final line positions
+ var lineEnd_x : Number = labelLineSize*Math.cos(value.bar_width/2*3.6*TO_RADIANS);
+ var lineEnd_y : Number = labelLineSize*Math.sin(value.bar_width/2*3.6*TO_RADIANS);
+ pieSlice.lineTo(lineEnd_x, lineEnd_y);
+
+ //text field position
+ var legend_x : Number = pieSlice._x+labelLineSize*Math.cos((value.bar_bottom+value.bar_width/2)*3.6*TO_RADIANS);
+ var legend_y : Number = pieSlice._y+labelLineSize*Math.sin((value.bar_bottom+value.bar_width/2)*3.6*TO_RADIANS);
+
+ //create legend text field
+ if( _root["pie_text_"+num] != undefined )
+ _root["pie_text_"+num].removeTextField();
+
+ var legend_tf:TextField = _root.createTextField("pie_text_"+num, _root.getNextHighestDepth(), legend_x, legend_y, 10, 10);
+ legend_tf.text = label;
+ legend_tf.autoSize = true;
+ legend_tf.rotation = 3.6*value.bar_bottom;
+
+ //if legend stands to the right side of the pie
+ if(legend_x<pieSlice._x)
+ legend_tf._x -= legend_tf._width;
+
+ //if legend stands on upper half of the pie
+ if(legend_y<pieSlice._y)
+ legend_tf._y -= legend_tf._height;
+
+ var fmt:TextFormat = new TextFormat();
+ fmt.color = this.text_colour;
+ fmt.font = "Verdana";
+ //fmt.size = this.size;
+ fmt.align = "center";
+ legend_tf.setTextFormat(fmt);
+
+ //pieSlice.tool_tip_title = label;
+ //pieSlice.tool_tip_value = value.tooltip;
+
+ pieSlice._alpha = this.alpha;
+ pieSlice._alpha_original = this.alpha; // <-- remember our original alpha while tweening
+ }
+ }
+}
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