<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
    <head>
        <meta http-equiv="content-type" content="text/html;charset=utf-8" />

        <title>Jarmon - customisable, Javascript generated charts from
        Collectd RRD data</title>

        <link rel="stylesheet" type="text/css" href="assets/css/style.css" />
        <link rel="stylesheet" type="text/css" href="assets/css/tabs-no-images.css" />
        <link rel="stylesheet" type="text/css" href="assets/css/jquerytools.dateinput.skin1.css" />

        <script type="text/javascript" src="assets/js/dependencies.js"></script>

        <script type="text/javascript" src="../../jarmon/jarmon.js"></script>
        <script type="text/javascript" src="jarmon_example_recipes.js"></script>
        <script type="text/javascript">
        // Recipes for the charts on this page

        var application_recipes = [
            {
                title: 'Jarmon Webserver TCP Stats',
                data: [
                    ['data/tcpconns-8080-local/tcp_connections-CLOSE_WAIT.rrd', 0, 'CLOSE_WAIT', ''],
                    ['data/tcpconns-8080-local/tcp_connections-SYN_RECV.rrd', 0, 'SYN_RECV', ''],
                    ['data/tcpconns-8080-local/tcp_connections-TIME_WAIT.rrd', 0, 'TIME_WAIT', ''],
                    ['data/tcpconns-8080-local/tcp_connections-CLOSED.rrd', 0, 'CLOSED', ''],
                    ['data/tcpconns-8080-local/tcp_connections-FIN_WAIT2.rrd', 0, 'FIN_WAIT2', ''],
                    ['data/tcpconns-8080-local/tcp_connections-FIN_WAIT1.rrd', 0, 'FIN_WAIT1', ''],
                    ['data/tcpconns-8080-local/tcp_connections-ESTABLISHED.rrd', 0, 'ESTABLISHED', ''],
                    ['data/tcpconns-8080-local/tcp_connections-LAST_ACK.rrd', 0, 'LAST_ACK', ''],
                    ['data/tcpconns-8080-local/tcp_connections-LISTEN.rrd', 0, 'LISTEN', ''],
                    ['data/tcpconns-8080-local/tcp_connections-SYN_SENT.rrd', 0, 'SYN_SENT', ''],
                    ['data/tcpconns-8080-local/tcp_connections-CLOSING.rrd', 0, 'CLOSING', '']
                ],
                options: jQuery.extend(true, {yaxis: {tickDecimals: 0}}, jarmon.Chart.BASE_OPTIONS, jarmon.Chart.STACKED_OPTIONS)
            }
        ];


        function initialiseCharts() {
            /**
             * Setup chart date range controls and all charts
             **/

            var p = new jarmon.Parallimiter(1);
            function serialDownloader(url) {
                return p.addCallable(jarmon.downloadBinary, [url]);
            }

            // Extract the chart template from the page
            var chartTemplate = $('.chart-container').remove();

            function templateFactory(parentEl) {
                return function() {
                    // The chart template must be appended to the page early, so
                    // that flot can calculate chart dimensions etc.
                    return chartTemplate.clone().appendTo(parentEl);
                }
            }

            var cc = new jarmon.ChartCoordinator($('.chartRangeControl'));
            var t;
            // Initialise tabs and update charts when tab is clicked
            $(".css-tabs:first").bind('click', function(i) {
                // XXX: Hack to give the tab just enough time to become visible
                // so that flot can calculate chart dimensions.
                window.clearTimeout(t);
                t = window.setTimeout(function() { cc.update(); }, 100);
            });

            cc.charts = [].concat(
                jarmon.Chart.fromRecipe(
                    [].concat(
                        jarmon.COLLECTD_RECIPES.cpu,
                        jarmon.COLLECTD_RECIPES.memory,
                        jarmon.COLLECTD_RECIPES.load),
                    templateFactory('.system-charts'), serialDownloader),
                jarmon.Chart.fromRecipe(
                    jarmon.COLLECTD_RECIPES.interface,
                    templateFactory('.network-charts'), serialDownloader),
                jarmon.Chart.fromRecipe(
                    jarmon.COLLECTD_RECIPES.dns,
                    templateFactory('.dns-charts'), serialDownloader),
                jarmon.Chart.fromRecipe(
                    application_recipes,
                    templateFactory('.application-charts'), serialDownloader)
            );

            // Initialise all the charts
            cc.init();
        }

        $(function() {
            // Add dhtml calendars to the date input fields
            $(".timerange_control img")
                .dateinput({
                    'format': 'dd mmm yyyy 00:00:00',
                    'max': +1,
                    'css': {'input': 'jquerytools_date'}})
                .bind('onBeforeShow', function(e) {
                    var classes = $(this).attr('class').split(' ');
                    var currentDate, input_selector;
                    for(var i=0; i<=classes.length; i++) {
                        input_selector = '[name="' + classes[i] + '"]';
                        // Look for a neighboring input element whose name matches the
                        // class name of this calendar
                        // Parse the value as a date if the returned date.getTime
                        // returns NaN we know it's an invalid date
                        // XXX: is there a better way to check for valid date?
                        currentDate = new Date($(this).siblings(input_selector).val());
                        if(currentDate.getTime() != NaN) {
                            $(this).data('dateinput')._input_selector = input_selector;
                            $(this).data('dateinput')._initial_val = currentDate.getTime();
                            $(this).data('dateinput').setValue(currentDate);
                            break;
                        }
                    }
                })
                .bind('onHide', function(e) {
                    // Called after a calendar date has been chosen by the user.

                    // Use the sibling selector that we generated above before opening
                    // the calendar
                    var input_selector = $(this).data('dateinput')._input_selector;
                    var oldStamp = $(this).data('dateinput')._initial_val;
                    var newDate = $(this).data('dateinput').getValue();
                    // Only update the form field if the date has changed.
                    if(oldStamp != newDate.getTime()) {
                        $(this).siblings(input_selector).val(
                            newDate.toString().split(' ').slice(1,5).join(' '));
                        // Trigger a change event which should automatically update the
                        // graphs and change the timerange drop down selector to
                        // "custom"
                        $(this).siblings(input_selector).trigger('change');
                    }
                });

            // Avoid overlaps between the calendars
            // XXX: This is a bit of hack, what if there's more than one set of calendar
            // controls on a page?
            $(".timerange_control img.from_custom").bind('onBeforeShow',
                function() {
                    var otherVal = new Date(
                        $('.timerange_control [name="to_custom"]').val());

                    $(this).data('dateinput').setMax(otherVal);
                }
            );
            $(".timerange_control img.to_custom").bind('onBeforeShow',
                function() {
                    var otherVal = new Date(
                        $('.timerange_control [name="from_custom"]').val());

                    $(this).data('dateinput').setMin(otherVal);
                }
            );

            // Setup dhtml tabs
            $(".css-tabs").tabs(".css-panes > div", {history: true});

            initialiseCharts();
        });
        </script>
    </head>

    <body>
        <div class="chartRangeControl">
            <form>
                <div>
                    <span class="timerange_control custom">
                        <img src="assets/icons/calendar.png" width="16" height="16" alt="calendar" class="from_custom"
                             title="Click to choose a custom start date" />
                        <input name="from_custom" type="text" readonly="readonly"
                               title="Time range start" />
                        <img src="assets/icons/calendar.png" width="16" height="16" alt="calendar" class="to_custom"
                             title="Click to choose a custom end date" />
                        <input name="to_custom" type="text" readonly="readonly"
                               title="Time range end" />
                    </span>
                    <span class="timerange_control standard">
                        <select name="from_standard"
                                title="Time range shortcuts - click to select an alternative time range" >
                        </select>
                    </span>
                    <input name="from" type="hidden"  />
                    <input name="to" type="hidden"  />
                    <select name="tzoffset"
                            title="Timezone offset - click to choose a custom timezone offset" ></select>
                    <input name="action" value="Update" type="button"
                           title="Graph update - click to update all graphs" />
                </div>
                <div class="range-preview"
                     title="Time range preview - click and drag to select a custom timerange" ></div>
            </form>
            <ul class="css-tabs">
                <li><a href="#system">System</a></li>
                <li><a href="#network">Network</a></li>
                <li><a href="#dns">DNS</a></li>
                <li><a href="#application">Application</a></li>
            </ul>
            <div class="css-panes charts">
                <div class="system-charts"></div>
                <div class="network-charts"></div>
                <div class="dns-charts"></div>
                <div class="application-charts"></div>
            </div>
            <div class="chart-container">
                <h2 class="title"></h2>
                <div class="chart"></div>
                <div class="graph-legend"></div>
            </div>
        </div>
    </body>
</html>