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raspap-webgui/app/js/bandwidthcharts.js

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(function($, _t) {
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"use strict";
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/**
* Create a Chart.js barchart.
*/
function CreateChart(ctx, labels) {
var barchart = new Chart(ctx,{
type: 'line',
options: {
responsive: true,
scales: {
xAxes: [{
scaleLabel: {
display: true,
labelString: 'date',
},
ticks: {
maxRotation: 90,
minRotation: 80
}
}],
yAxes: [{
id: 'y-axis-1',
type: 'linear',
display: true,
position: 'left',
ticks: {
beginAtZero: true
}
}]
}
},
data: {
labels: labels,
datasets: []
}
});
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return barchart;
}
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/**
* Create a jquery bootstrap datatable.
*/
function CreateDataTable(placeholder, timeunits) {
$("#"+placeholder).append('<table id="tableBandwidth'+timeunits+
'" class="table table-striped"><thead>'+
'<tr><th>date</th><th>rx</th><th>tx</th></tr></thead><tbody></tbody></table>');
}
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/**
* Figure out which tab is selected and remove all existing charts and then
* construct the proper barchart.
*/
function ShowBandwidthChartHandler(e) {
// Remove all chartjs charts
$('#divChartBandwidthhourly').empty();
$('#divChartBandwidthdaily').empty();
$('#divChartBandwidthmonthly').empty();
// Remove all datatables
$('#divTableBandwidthhourly').empty();
$('#divTableBandwidthdaily').empty();
$('#divTableBandwidthmonthly').empty();
// Construct ajax uri for getting the proper data.
var timeunit = $('ul#tabbarBandwidth li.nav-item a.nav-link.active').attr('href').substr(1);
var uri = 'ajax/bandwidth/get_bandwidth.php?';
uri += 'inet=';
uri += encodeURIComponent($('#cbxInterface'+timeunit+' option:selected').text());
uri += '&tu=';
uri += encodeURIComponent(timeunit.substr(0, 1));
var datasizeunits = 'mb';
uri += '&dsu='+encodeURIComponent(datasizeunits);
// Init. datatable html
var datatable = CreateDataTable('divTableBandwidth'+timeunit, timeunit);
// Get data for chart
$.ajax({
url: uri,
dataType: 'json',
beforeSend: function() {
$('#divLoaderBandwidth'+timeunit).show();
}
}).done(function(jsondata) {
$('#divLoaderBandwidth'+timeunit).hide();
// Map json values to label array
var labels = jsondata.map(function(e) {
return e.date;
});
// Init. chart with label series
var barchart = CreateChart('divChartBandwidth'+timeunit, labels);
var dataRx = jsondata.map(function(e) {
return e.rx;
});
var dataTx = jsondata.map(function(e) {
return e.tx;
});
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addData(barchart, dataRx, dataTx, datasizeunits);
$('#tableBandwidth'+timeunit).DataTable({
'searching': false,
'paging': false,
'data': jsondata,
'order': [[ 0, 'ASC' ]],
'columns': [
{ 'data': 'date' },
{ 'data': 'rx', "title": _t['receive']+' '+datasizeunits.toUpperCase() },
{ 'data': 'tx', "title": _t['send']+' '+datasizeunits.toUpperCase() }]
});
}).fail(function(xhr, textStatus) {
if (window.console) {
console.error('server error');
} else {
alert("server error");
}
});
}
/**
* Add data array to datasets of current chart.
*/
function addData(chart, dataRx, dataTx, datasizeunits) {
chart.data.datasets.push({
label: 'Receive'+' '+datasizeunits.toUpperCase(),
yAxisID: 'y-axis-1',
borderColor: 'rgba(75, 192, 192, 1)',
backgroundColor: 'rgba(75, 192, 192, 0.2)',
data: dataRx
});
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chart.data.datasets.push({
label: 'Send'+' '+datasizeunits.toUpperCase(),
yAxisID: 'y-axis-1',
borderColor: 'rgba(192, 192, 192, 1)',
backgroundColor: 'rgba(192, 192, 192, 0.2)',
data: dataTx
});
chart.update();
}
$(document).ready(function() {
$('#tabbarBandwidth a[data-toggle="tab"]').on('shown.bs.tab', ShowBandwidthChartHandler);
$('#cbxInterfacehourly').on('change', ShowBandwidthChartHandler);
$('#cbxInterfacedaily').on('change', ShowBandwidthChartHandler);
$('#cbxInterfacemonthly').on('change', ShowBandwidthChartHandler);
ShowBandwidthChartHandler();
});
})(jQuery, t);