aboutsummaryrefslogtreecommitdiffstats
path: root/docs/results/js/gauge.js
diff options
context:
space:
mode:
Diffstat (limited to 'docs/results/js/gauge.js')
-rw-r--r--docs/results/js/gauge.js165
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;
+};