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Current File : /home/opti/workflow/src/public/app-assets/js/scripts/charts/flot/line/tracking.js

/*=========================================================================================
    File Name: tracking.js
    Description: Flot tracking chart
    ----------------------------------------------------------------------------------------
    Item Name: Modern Admin - Clean Bootstrap 4 Dashboard HTML Template
    Version: 1.0
    Author: PIXINVENT
    Author URL: http://www.themeforest.net/user/pixinvent
==========================================================================================*/

// Tracking chart
// ------------------------------
$(window).on("load", function(){

    var sin = [], cos = [];
    for (var i = 0; i < 14; i += 0.1) {
        sin.push([i, Math.sin(i)]);
        cos.push([i, Math.cos(i)]);
    }

    plot = $.plot("#tracking", [
        { data: sin, label: "sin(x) = -0.00"},
        { data: cos, label: "cos(x) = -0.00" }
    ], {
        series: {
            lines: {
                show: true
            }
        },
        crosshair: {
            mode: "x"
        },
        grid: {
            borderWidth: 1,
            borderColor: 'transparent',
            color: '#999',
            minBorderMargin: 20,
            labelMargin: 10,
            margin: {
                top: 8,
                bottom: 20,
                left: 20
            },
            hoverable: true,
            autoHighlight: false
        },
        xaxis: {
            tickLength: 0,
            tickDecimals: 0,
        },
        yaxis: {
            min: -1.2,
            max: 1.2
        },
        colors: ['#00A5A8', '#FF7D4D']
    });

    var legends = $("#tracking .legendLabel");

    legends.each(function () {
        // fix the widths so they don't jump around
        $(this).css('width', $(this).width());
    });

    var updateLegendTimeout = null;
    var latestPosition = null;

    function updateLegend() {

        updateLegendTimeout = null;

        var pos = latestPosition;

        var axes = plot.getAxes();
        if (pos.x < axes.xaxis.min || pos.x > axes.xaxis.max ||
            pos.y < axes.yaxis.min || pos.y > axes.yaxis.max) {
            return;
        }

        var i, j, dataset = plot.getData();
        for (i = 0; i < dataset.length; ++i) {

            var series = dataset[i];

            // Find the nearest points, x-wise

            for (j = 0; j < series.data.length; ++j) {
                if (series.data[j][0] > pos.x) {
                    break;
                }
            }

            // Now Interpolate

            var y,
                p1 = series.data[j - 1],
                p2 = series.data[j];

            if (p1 == null) {
                y = p2[1];
            } else if (p2 == null) {
                y = p1[1];
            } else {
                y = p1[1] + (p2[1] - p1[1]) * (pos.x - p1[0]) / (p2[0] - p1[0]);
            }

            legends.eq(i).text(series.label.replace(/=.*/, "= " + y.toFixed(2)));
        }
    }

    $("#tracking").bind("plothover",  function (event, pos, item) {
        latestPosition = pos;
        if (!updateLegendTimeout) {
            updateLegendTimeout = setTimeout(updateLegend, 50);
        }
    });
});

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