1 files changed, 35 insertions, 0 deletions
diff --git a/web/nms.gathering.org/speedometer/c3-master/src/api.tooltip.js b/web/nms.gathering.org/speedometer/c3-master/src/api.tooltip.js
new file mode 100644
index 0000000..045a52e
--- /dev/null
+++ b/web/nms.gathering.org/speedometer/c3-master/src/api.tooltip.js
@@ -0,0 +1,35 @@
+c3_chart_fn.tooltip = function () {};
+c3_chart_fn.tooltip.show = function (args) {
+    var $$ = this.internal, index, mouse;
+
+    // determine mouse position on the chart
+    if (args.mouse) {
+        mouse = args.mouse;
+    }
+
+    // determine focus data
+    if (args.data) {
+        if ($$.isMultipleX()) {
+            // if multiple xs, target point will be determined by mouse
+            mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)];
+            index = null;
+        } else {
+            // TODO: when tooltip_grouped = false
+            index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x);
+        }
+    }
+    else if (typeof args.x !== 'undefined') {
+        index = $$.getIndexByX(args.x);
+    }
+    else if (typeof args.index !== 'undefined') {
+        index = args.index;
+    }
+
+    // emulate mouse events to show
+    $$.dispatchEvent('mouseover', index, mouse);
+    $$.dispatchEvent('mousemove', index, mouse);
+};
+c3_chart_fn.tooltip.hide = function () {
+    // TODO: get target data by checking the state of focus
+    this.internal.dispatchEvent('mouseout', 0);
+};