1 files changed, 165 insertions, 0 deletions
diff --git a/docs/results/js/gauge.js b/docs/results/js/gauge.js
new file mode 100644
index 00000000..4cad16c6
--- /dev/null
+++ b/docs/results/js/gauge.js
@@ -0,0 +1,165 @@
+// ******************************************
+// Gauge for reporting
+// Each scenario has a score
+// We use a gauge to indicate the trust level
+// ******************************************
+var gauge = function(container) {
+  var that = {};
+  var config = {
+    size						: 150,
+    clipWidth					: 250,
+    clipHeight					: 100,
+    ringInset					: 20,
+    ringWidth					: 40,
+
+    pointerWidth				: 7,
+    pointerTailLength			: 5,
+    pointerHeadLengthPercent	: 0.8,
+
+    minValue					: 0,
+    maxValue					: 100,
+
+    minAngle					: -90,
+    maxAngle					: 90,
+
+    transitionMs				: 4000,
+
+    majorTicks					: 7,
+    labelFormat					: d3.format(',g'),
+    labelInset					: 10,
+
+    arcColorFn					: d3.interpolateHsl(d3.rgb('#ff0000'), d3.rgb('#00ff00'))
+  };
+
+
+var range = undefined;
+var r = undefined;
+var pointerHeadLength = undefined;
+var value = 0;
+
+var svg = undefined;
+var arc = undefined;
+var scale = undefined;
+var ticks = undefined;
+var tickData = undefined;
+var pointer = undefined;
+
+var donut = d3.layout.pie();
+
+function deg2rad(deg) {
+  return deg * Math.PI / 180;
+}
+
+function newAngle(d) {
+  var ratio = scale(d);
+  var newAngle = config.minAngle + (ratio * range);
+  return newAngle;
+}
+
+function configure() {
+  range = config.maxAngle - config.minAngle;
+  r = config.size / 2;
+  pointerHeadLength = Math.round(r * config.pointerHeadLengthPercent);
+
+  // a linear scale that maps domain values to a percent from 0..1
+  scale = d3.scale.linear()
+    .range([0,1])
+    .domain([config.minValue, config.maxValue]);
+
+  ticks = scale.ticks(config.majorTicks);
+  tickData = d3.range(config.majorTicks).map(function() {return 1/config.majorTicks;});
+
+  arc = d3.svg.arc()
+    .innerRadius(r - config.ringWidth - config.ringInset)
+    .outerRadius(r - config.ringInset)
+    .startAngle(function(d, i) {
+      var ratio = d * i;
+      return deg2rad(config.minAngle + (ratio * range));
+    })
+    .endAngle(function(d, i) {
+      var ratio = d * (i+1);
+      return deg2rad(config.minAngle + (ratio * range));
+    });
+}
+that.configure = configure;
+
+function centerTranslation() {
+  return 'translate('+r +','+ r +')';
+}
+
+function isRendered() {
+  return (svg !== undefined);
+}
+that.isRendered = isRendered;
+
+function render(newValue) {
+  svg = d3.select(container)
+    .append('svg:svg')
+      .attr('class', 'gauge')
+      .attr('width', config.clipWidth)
+      .attr('height', config.clipHeight);
+
+  var centerTx = centerTranslation();
+
+  var arcs = svg.append('g')
+      .attr('class', 'arc')
+      .attr('transform', centerTx);
+
+  arcs.selectAll('path')
+      .data(tickData)
+    .enter().append('path')
+      .attr('fill', function(d, i) {
+        return config.arcColorFn(d * i);
+      })
+      .attr('d', arc);
+
+  var lg = svg.append('g')
+      .attr('class', 'label')
+      .attr('transform', centerTx);
+  lg.selectAll('text')
+      .data(ticks)
+    .enter().append('text')
+      .attr('transform', function(d) {
+        var ratio = scale(d);
+        var newAngle = config.minAngle + (ratio * range);
+        return 'rotate(' +newAngle +') translate(0,' +(config.labelInset - r) +')';
+      })
+      .text(config.labelFormat);
+
+  var lineData = [ [config.pointerWidth / 2, 0],
+          [0, -pointerHeadLength],
+          [-(config.pointerWidth / 2), 0],
+          [0, config.pointerTailLength],
+          [config.pointerWidth / 2, 0] ];
+  var pointerLine = d3.svg.line().interpolate('monotone');
+  var pg = svg.append('g').data([lineData])
+      .attr('class', 'pointer')
+      .attr('transform', centerTx);
+
+  pointer = pg.append('path')
+    .attr('d', pointerLine/*function(d) { return pointerLine(d) +'Z';}*/ )
+    .attr('transform', 'rotate(' +config.minAngle +')');
+
+  update(newValue === undefined ? 0 : newValue);
+}
+that.render = render;
+
+function update(newValue, newConfiguration) {
+  if ( newConfiguration  !== undefined) {
+    configure(newConfiguration);
+  }
+  var ratio = scale(newValue);
+  var newAngle = config.minAngle + (ratio * range);
+  pointer.transition()
+    .duration(config.transitionMs)
+    .ease('elastic')
+    .attr('transform', 'rotate(' +newAngle +')');
+}
+that.update = update;
+
+configure();
+
+render();
+
+return that;
+};