rabbitmq-server/deps/rabbitmq_management/priv/www/js/charts.js

93 lines
2.8 KiB
JavaScript

function render_charts() {
$('.chart').map(function() {
render_chart($(this));
});
}
var chart_colors_full = ['#edc240', '#afd8f8', '#cb4b4b', '#4da74d', '#9440ed', '#666666', '#aaaaaa'];
var chart_chrome_full = {
series: { lines: { show: true } },
grid: { borderWidth: 2, borderColor: "#aaa" },
xaxis: { tickColor: "#fff", mode: "time", timezone: "browser" },
yaxis: { tickColor: "#eee", min: 0 },
legend: { show: false }
};
var chart_colors_node = ['#6ae26a', '#e24545'];
var chart_chrome_node = {
series: { lines: { show: true, lineWidth: 2, fill: true } },
grid: { borderWidth: 0 },
xaxis: { show: false },
yaxis: { show: false, min: 0 },
legend: { show: false }
};
function render_chart(div) {
var id = div.attr('id').substring('chart-'.length);
var rate_mode = div.hasClass('chart-rates');
var out_data = [];
var data = chart_data[id]['data'];
var fmt = chart_data[id]['fmt'];
var colors;
var chrome;
if (div.hasClass('chart-full')) {
colors = chart_colors_full;
chrome = chart_chrome_full;
}
else {
colors = chart_colors_node;
chrome = chart_chrome_node;
}
for (var name in data) {
var series = data[name];
var samples = series.samples;
var i = series.ix;
var d = [];
for (var j = 1; j < samples.length; j++) {
var x = samples[j].timestamp;
var y;
if (rate_mode) {
// TODO This doesn't work well if you are looking at
// stuff in the browser that is finer granularity than
// the data we have in the DB (and thus we get
// duplicated entries). Do we care? We should just
// never allow that...
y = (samples[j - 1].sample - samples[j].sample) * 1000 /
(samples[j - 1].timestamp - samples[j].timestamp);
}
else {
y = samples[j].sample;
}
d.push([x, y]);
}
out_data.push({data: d, color: colors[i], shadowSize: 0});
}
chart_data[id] = {};
chrome.yaxis.tickFormatter = fmt_y_axis(fmt);
$.plot(div, out_data, chrome);
}
function fmt_y_axis(fmt) {
return function (val, axis) {
// axis.ticks seems to include the bottom value but not the top
if (axis.max == 1 && axis.ticks.length > 1) {
var newTicks = [axis.ticks[0]];
axis.ticks = newTicks;
}
return fmt(val, axis.max);
}
}
function update_rate_options(sammy) {
var id = sammy.params['id'];
store_pref('rate-mode-' + id, sammy.params['mode']);
store_pref('chart-size-' + id, sammy.params['size']);
store_pref('chart-range-' + id, sammy.params['range']);
partial_update();
}