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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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2
public/app/plugins/panel/graph/graph.ts
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@ -183,6 +183,8 @@ module.directive('grafanaGraph', function($rootScope, timeSrv) {
}
}
// Series could have different timeSteps,
// let's find the smallest one so that bars are correctly rendered.
function getMinTimeStepOfSeries(data) {
var min = 100000000000;

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;

2
public/vendor/flot/jquery.flot.js vendored
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@ -1210,7 +1210,7 @@ Licensed under the MIT license.
// middle point has same y
points[k + 1] = points[k - ps + 1] || 0;
// if series has null values, let's give the last correct value a nice step
// if series has null values, let's give the last !null value a nice step
if(nullify)
points[k] = p[0];

25
public/vendor/flot/jquery.flot.stack.js vendored
View File

@ -78,9 +78,12 @@ charts or filled areas).
i = 0, j = 0, l, m;
while (true) {
// browse all points from the current series and from the previous series
if (i >= points.length && j >= otherpoints.length)
break;
// newpoints will replace current series with
// as many points as different timestamps we have in the 2 (current & previous) series
l = newpoints.length;
px = points[i + keyOffset];
py = points[i + accumulateOffset];
@ -89,30 +92,32 @@ charts or filled areas).
bottom = 0;
if (i < points.length && px == null) {
// ignore point
// let's ignore null points from current series, nothing to do with them
i += ps;
}
else if (j < otherpoints.length && qx == null) {
// ignore point
// let's ignore null points from previous series, nothing to do with them
j += otherps;
}
else if (i >= points.length) {
// take the remaining points from the previous series
// no more points in the current series, simply take the remaining points
// from the previous series so that next series will correctly stack
for (m = 0; m < ps; ++m)
newpoints.push(otherpoints[j + m]);
bottom = qy;
j += otherps;
}
else if (j >= otherpoints.length) {
// take the remaining points from the current series
// no more points in the previous series, of course let's take
// the remaining points from the current series
for (m = 0; m < ps; ++m)
newpoints.push(points[i + m]);
i += ps;
}
else {
// cases where we actually got two points
// next available points from current and previous series have the same timestamp
if (px == qx) {
// take the point from the current series and skip the previous' one
// so take the point from the current series and skip the previous' one
for (m = 0; m < ps; ++m)
newpoints.push(points[i + m]);
@ -122,8 +127,9 @@ charts or filled areas).
i += ps;
j += otherps;
}
// next available point with the smallest timestamp is from the previous series
else if (px > qx) {
// take the point from the previous series so that the next series can stack over it
// so take the point from the previous series so that next series will correctly stack
for (m = 0; m < ps; ++m)
newpoints.push(otherpoints[j + m]);
@ -135,8 +141,9 @@ charts or filled areas).
j += otherps;
}
else { // px < qx
// take the point from the current series
// (px < qx) next available point with the smallest timestamp is from the current series
else {
// so of course let's take the point from the current series
for (m = 0; m < ps; ++m)
newpoints.push(points[i + m]);