| <?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="stopid" name="stopid"> | |
| <?php | |
| $query = "select distinct myway_stop from myway_stops where myway_stop != '' order by myway_stop"; | |
| $query = $conn->prepare($query); | |
| $query->execute(); | |
| if (!$query) { | |
| databaseError($conn->errorInfo()); | |
| return Array(); | |
| } | |
| foreach ($query->fetchAll() as $stop) { | |
| echo "<option value=\"{$stop['myway_stop']}\">{$stop['myway_stop']}</option>"; | |
| }; | |
| ?> </select> <center><div id="placeholder" style="width:900px;height:550px"></div></center> | |
| <script type="text/javascript"> | |
| $(function () { | |
| var d = new Date(); | |
| d.setUTCMinutes(0); | |
| d.setUTCHours(0); | |
| var midnight = d.getTime(); | |
| var placeholder = $("#placeholder"); | |
| var data = []; | |
| var options = { | |
| xaxis: { | |
| mode: "time", | |
| min: midnight + (1000*60*60*8), | |
| max: midnight + (1000*60*60*23.5) | |
| }, | |
| yaxis: { | |
| tickFormatter: yformatter | |
| }, | |
| grid: { hoverable: true, clickable: true, labelMargin: 32 }, | |
| }; | |
| var plot = $.plot(placeholder, data, options); | |
| var o; | |
| o = plot.pointOffset({ x: midnight+ (9*60*60*1000), y: -1.2}); | |
| placeholder.append('<div style="position:absolute;left:' + (o.left + 4) + 'px;top:' + o.top + 'px;color:#666;font-size:smaller">9am</div>'); | |
| o = plot.pointOffset({ x: midnight+ (16*60*60*1000), y: -1.2}); | |
| placeholder.append('<div style="position:absolute;left:' + (o.left + 4) + 'px;top:' + o.top + 'px;color:#666;font-size:smaller">4pm</div>'); | |
| // fetch one series, adding to what we got | |
| var alreadyFetched = {}; | |
| $("#stopid").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_stop.json.php?stopid=" + 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].toFixed(2), | |
| y = item.datapoint[1].toFixed(2); | |
| var d = new Date(); | |
| d.setTime(x); | |
| var time = d.getUTCHours() +':'+ (d.getUTCMinutes().toString().length == 1 ? '0'+ d.getMinutes(): d.getUTCMinutes()) | |
| showTooltip(item.pageX, item.pageY, | |
| item.series.label + " at "+ time +" = " + Math.abs(new Number(y/60).toFixed(2))+" minutes "+(y >0 ? "early":"late")); | |
| } | |
| } | |
| else { | |
| $("#tooltip").remove(); | |
| previousPoint = null; | |
| } | |
| }); | |
| </script> |