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Add some comments about some previous modifications (#6533)

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Ben RUBSON
2016-11-10 10:19:42 +01:00
committed by Torkel Ödegaard
parent ef08a243c5
commit 2443326386
4 changed files with 26 additions and 11 deletions
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8
public/app/plugins/panel/graph/graph_tooltip.js
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@@ -21,7 +21,9 @@ function ($) {
var initial = last*ps;
var len = series.datapoints.points.length;
for (var j = initial; j < len; j += ps) {
// Special case of a non stepped line, highlight the very last point just before a null point
if ((series.datapoints.points[initial] != null && series.datapoints.points[j] == null && ! series.lines.steps)
//normal case
|| series.datapoints.points[j] > posX) {
return Math.max(j - ps, 0)/ps;
}
@@ -58,11 +60,13 @@ function ($) {
series = seriesList[i];
if (!series.data.length || (panel.legend.hideEmpty && series.allIsNull)) {
// Init value & yaxis so that it does not brake series sorting
results.push({ hidden: true, value: 0, yaxis: 0 });
continue;
}
if (!series.data.length || (panel.legend.hideZero && series.allIsZero)) {
// Init value & yaxis so that it does not brake series sorting
results.push({ hidden: true, value: 0, yaxis: 0 });
continue;
}
@@ -71,6 +75,7 @@ function ($) {
hoverDistance = pos.x - series.data[hoverIndex][0];
pointTime = series.data[hoverIndex][0];
// Take the closest point before the cursor, or if it does not exist, the closest after
if (! minDistance
|| (hoverDistance >=0 && (hoverDistance < minDistance || minDistance < 0))
|| (hoverDistance < 0 && hoverDistance > minDistance)) {
@@ -99,6 +104,7 @@ function ($) {
hoverIndex = this.findHoverIndexFromDataPoints(pos.x, series, hoverIndex);
}
// Be sure we have a yaxis so that it does not brake series sorting
yaxis = 0;
if (series.yaxis) {
yaxis = series.yaxis.n;
@@ -116,7 +122,7 @@ function ($) {
});
}
// Find point which closer to pointer
// Time of the point closer to pointer
results.time = minTime;
return results;