fronend/js/pages/charts/sparkline.js

$(function () {
    $(".sparkline").each(function () {
        var $this = $(this);
        $this.sparkline('html', $this.data());
    });

    $('.sparkline-pie').sparkline('html', {
        type: 'pie',
        offset: 90,
        width: '150px',
        height: '150px',
        sliceColors: ['#E91E63', '#00BCD4', '#FFC107']
    })

    drawDocSparklines();
    drawMouseSpeedDemo();
});

//Taken from http://omnipotent.net/jquery.sparkline ================
function drawDocSparklines() {

    // Bar + line composite charts
    $('#compositebar').sparkline('html', { type: 'bar', barColor: '#aaf' });
    $('#compositebar').sparkline([4, 1, 5, 7, 9, 9, 8, 7, 6, 6, 4, 7, 8, 4, 3, 2, 2, 5, 6, 7],
        { composite: true, fillColor: false, lineColor: 'red' });


    // Line charts taking their values from the tag
    $('.sparkline-1').sparkline();

    // Larger line charts for the docs
    $('.largeline').sparkline('html',
        { type: 'line', height: '2.5em', width: '4em' });

    // Customized line chart
    $('#linecustom').sparkline('html',
        {
            height: '1.5em', width: '8em', lineColor: '#f00', fillColor: '#ffa',
            minSpotColor: false, maxSpotColor: false, spotColor: '#77f', spotRadius: 3
        });

    // Bar charts using inline values
    $('.sparkbar').sparkline('html', { type: 'bar' });

    $('.barformat').sparkline([1, 3, 5, 3, 8], {
        type: 'bar',
        tooltipFormat: '{{value:levels}} - {{value}}',
        tooltipValueLookups: {
            levels: $.range_map({ ':2': 'Low', '3:6': 'Medium', '7:': 'High' })
        }
    });

    // Tri-state charts using inline values
    $('.sparktristate').sparkline('html', { type: 'tristate' });
    $('.sparktristatecols').sparkline('html',
        { type: 'tristate', colorMap: { '-2': '#fa7', '2': '#44f' } });

    // Composite line charts, the second using values supplied via javascript
    $('#compositeline').sparkline('html', { fillColor: false, changeRangeMin: 0, chartRangeMax: 10 });
    $('#compositeline').sparkline([4, 1, 5, 7, 9, 9, 8, 7, 6, 6, 4, 7, 8, 4, 3, 2, 2, 5, 6, 7],
        { composite: true, fillColor: false, lineColor: 'red', changeRangeMin: 0, chartRangeMax: 10 });

    // Line charts with normal range marker
    $('#normalline').sparkline('html',
        { fillColor: false, normalRangeMin: -1, normalRangeMax: 8 });
    $('#normalExample').sparkline('html',
        { fillColor: false, normalRangeMin: 80, normalRangeMax: 95, normalRangeColor: '#4f4' });

    // Discrete charts
    $('.discrete1').sparkline('html',
        { type: 'discrete', lineColor: 'blue', xwidth: 18 });
    $('#discrete2').sparkline('html',
        { type: 'discrete', lineColor: 'blue', thresholdColor: 'red', thresholdValue: 4 });

    // Bullet charts
    $('.sparkbullet').sparkline('html', { type: 'bullet' });

    // Pie charts
    $('.sparkpie').sparkline('html', { type: 'pie', height: '1.0em' });

    // Box plots
    $('.sparkboxplot').sparkline('html', { type: 'box' });
    $('.sparkboxplotraw').sparkline([1, 3, 5, 8, 10, 15, 18],
        { type: 'box', raw: true, showOutliers: true, target: 6 });

    // Box plot with specific field order
    $('.boxfieldorder').sparkline('html', {
        type: 'box',
        tooltipFormatFieldlist: ['med', 'lq', 'uq'],
        tooltipFormatFieldlistKey: 'field'
    });

    // click event demo sparkline
    $('.clickdemo').sparkline();
    $('.clickdemo').bind('sparklineClick', function (ev) {
        var sparkline = ev.sparklines[0],
            region = sparkline.getCurrentRegionFields();
        value = region.y;
        alert("Clicked on x=" + region.x + " y=" + region.y);
    });

    // mouseover event demo sparkline
    $('.mouseoverdemo').sparkline();
    $('.mouseoverdemo').bind('sparklineRegionChange', function (ev) {
        var sparkline = ev.sparklines[0],
            region = sparkline.getCurrentRegionFields();
        value = region.y;
        $('.mouseoverregion').text("x=" + region.x + " y=" + region.y);
    }).bind('mouseleave', function () {
        $('.mouseoverregion').text('');
    });
}

/**
 ** Draw the little mouse speed animated graph
 ** This just attaches a handler to the mousemove event to see
 ** (roughly) how far the mouse has moved
 ** and then updates the display a couple of times a second via
 ** setTimeout()
 **/
function drawMouseSpeedDemo() {
    var mrefreshinterval = 500; // update display every 500ms
    var lastmousex = -1;
    var lastmousey = -1;
    var lastmousetime;
    var mousetravel = 0;
    var mpoints = [];
    var mpoints_max = 30;
    $('html').mousemove(function (e) {
        var mousex = e.pageX;
        var mousey = e.pageY;
        if (lastmousex > -1) {
            mousetravel += Math.max(Math.abs(mousex - lastmousex), Math.abs(mousey - lastmousey));
        }
        lastmousex = mousex;
        lastmousey = mousey;
    });
    var mdraw = function () {
        var md = new Date();
        var timenow = md.getTime();
        if (lastmousetime && lastmousetime != timenow) {
            var pps = Math.round(mousetravel / (timenow - lastmousetime) * 1000);
            mpoints.push(pps);
            if (mpoints.length > mpoints_max)
                mpoints.splice(0, 1);
            mousetravel = 0;
            $('#mousespeed').sparkline(mpoints, { width: mpoints.length * 2, tooltipSuffix: ' pixels per second' });
        }
        lastmousetime = timenow;
        setTimeout(mdraw, mrefreshinterval);
    };
    // We could use setInterval instead, but I prefer to do it this way
    setTimeout(mdraw, mrefreshinterval);
}

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