<?php
include ('../include/common.inc.php');
include_header("MyWay Deltas", "mywayDelta");
?>
 
    <!--[if lte IE 8]><script language="javascript" type="text/javascript" src="../js/flot/excanvas.min.js"></script><![endif]--> 
 
    <script language="javascript" type="text/javascript" src="../js/flot/jquery.flot.js"></script> 
  <form method="get" action="">
    <select id="routeid" name="routeid">
<?php
$query = "select distinct route_full_name from myway_routes where myway_route != '' order by route_full_name";
$query = $conn->prepare($query);
$query->execute();
if (!$query) {
        databaseError($conn->errorInfo());
        return Array();
}
foreach ($query->fetchAll() as $route) {
           echo "<option value=\"{$route['route_full_name']}\">{$route['route_full_name']}</option>";
  
};
?>    </select>
  <center><div id="placeholder" style="width:900px;height:550px"></div></center>
<script type="text/javascript"> 
$(function () {
 
       var placeholder = $("#placeholder");
 var data = [];
    var options = {
            xaxis: {
            },
            yaxis: {
                tickFormatter: yformatter
            },
            grid: { hoverable: true, clickable: true, labelMargin: 32   },
series: {
      lines: { show: false },
      points: { show: true }
    }
    };
    
    var plot = $.plot(placeholder, data, options);
 
// fetch one series, adding to what we got
    var alreadyFetched = {};
    
   $("#routeid").change(function () {
   var select = $(this);
        
        // find the URL in the link right next to us 
    //    var dataurl = button.siblings('a').attr('href');
 var dataurl = "myway_timeliness_route.json.php?routeid=" + select.val();
        // then fetch the data with jQuery
        function onDataReceived(series) {
            // extract the first coordinate pair so you can see that
            // data is now an ordinary Javascript object
            var firstcoordinate = '(' + series.data[0][0] + ', ' + series.data[0][1] + ')';
 
      
            // let's add it to our current data
            if (!alreadyFetched[series.label]) {
                alreadyFetched[series.label] = true;
                data.push(series);
            }
            
            // and plot all we got
            $.plot(placeholder, data, options);
         }
        
        $.ajax({
            url: dataurl,
            method: 'GET',
            dataType: 'json',
            success: onDataReceived
        });
    });
 
 
 });
 
 
 
function yformatter(v) {
    if (Math.floor(v/60) < -9) return "";
    return Math.abs(Math.floor(v/60)) + " min " + (v == 0 ? "" : (v >0 ? "early":"late"))
}
  function showTooltip(x, y, contents) {
        $('<div id="tooltip">' + contents + '</div>').css( {
            position: 'absolute',
            display: 'none',
            top: y + 5,
            left: x + 5,
            border: '1px solid #fdd',
            padding: '2px',
            'background-color': '#fee',
            opacity: 0.80
        }).appendTo("body").fadeIn(200);
    }
 
    var previousPoint = null;
    $("#placeholder").bind("plothover", function (event, pos, item) {
        $("#x").text(pos.x.toFixed(2));
        $("#y").text(pos.y.toFixed(2));
 
            if (item) {
                if (previousPoint != item.dataIndex) {
                    previousPoint = item.dataIndex;
                    
                    $("#tooltip").remove();
                    var x = item.datapoint[0],
                        y = item.datapoint[1].toFixed(2);
                    
                    showTooltip(item.pageX, item.pageY,
                                item.series.label + " at stop_sequence "+ x +" = " + Math.abs(new Number(y/60).toFixed(2))+" minutes "+(y >0 ? "early":"late"));
                }
            }
            else {
                $("#tooltip").remove();
                previousPoint = null;            
            }
    });
 
</script>