PlotKit.CanvasRenderer.prototype._renderPieAxis = function()

in web/servicemix-web-console/src/main/webapp/js/plotkit/Canvas.js [487:565]
63 lines of code
14 McCabe index (conditional complexity)

PlotKit.CanvasRenderer.prototype._renderPieAxis = function() {
    if (!this.options.drawXAxis)
        return;

	if (this.layout.xticks) {
		// make a lookup dict for x->slice values
		var lookup = new Array();
		for (var i = 0; i < this.layout.slices.length; i++) {
			lookup[this.layout.slices[i].xval] = this.layout.slices[i];
		}
		
		var centerx = this.area.x + this.area.w * 0.5;
	    var centery = this.area.y + this.area.h * 0.5;
	    var radius = Math.min(this.area.w * this.options.pieRadius,
	                          this.area.h * this.options.pieRadius);
		var labelWidth = this.options.axisLabelWidth;
		
		for (var i = 0; i < this.layout.xticks.length; i++) {
			var slice = lookup[this.layout.xticks[i][0]];
			if (MochiKit.Base.isUndefinedOrNull(slice))
				continue;
				
				
			var angle = (slice.startAngle + slice.endAngle)/2;
			// normalize the angle
			var normalisedAngle = angle;
			if (normalisedAngle > Math.PI * 2)
				normalisedAngle = normalisedAngle - Math.PI * 2;
			else if (normalisedAngle < 0)
				normalisedAngle = normalisedAngle + Math.PI * 2;
				
			var labelx = centerx + Math.sin(normalisedAngle) * (radius + 10);
	        var labely = centery - Math.cos(normalisedAngle) * (radius + 10);

			var attrib = {"position": "absolute",
	                      "zIndex": 11,
	                      "width": labelWidth + "px",
	                      "fontSize": this.options.axisLabelFontSize + "px",
	                      "overflow": "hidden",
						  "color": this.options.axisLabelColor.toHexString()
						};

			if (normalisedAngle <= Math.PI * 0.5) {
	            // text on top and align left
	            attrib["textAlign"] = "left";
	            attrib["verticalAlign"] = "top";
	            attrib["left"] = labelx + "px";
	            attrib["top"] = (labely - this.options.axisLabelFontSize) + "px";
	        }
	        else if ((normalisedAngle > Math.PI * 0.5) && (normalisedAngle <= Math.PI)) {
	            // text on bottom and align left
	            attrib["textAlign"] = "left";
	            attrib["verticalAlign"] = "bottom";     
	            attrib["left"] = labelx + "px";
	            attrib["top"] = labely + "px";

	        }
	        else if ((normalisedAngle > Math.PI) && (normalisedAngle <= Math.PI*1.5)) {
	            // text on bottom and align right
	            attrib["textAlign"] = "right";
	            attrib["verticalAlign"] = "bottom"; 
	            attrib["left"] = (labelx  - labelWidth) + "px";
	            attrib["top"] = labely + "px";
	        }
	        else {
	            // text on top and align right
	            attrib["textAlign"] = "right";
	            attrib["verticalAlign"] = "bottom";  
	            attrib["left"] = (labelx  - labelWidth) + "px";
	            attrib["top"] = (labely - this.options.axisLabelFontSize) + "px";
	        }
	
			var label = DIV({'style': attrib}, this.layout.xticks[i][1]);
			this.xlabels.push(label);
			MochiKit.DOM.appendChildNodes(this.container, label);
	  }
		
	}
};