1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | <?php /* * Copyright 2010,2011 Alexander Sadleir Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ include ('../include/common.inc.php'); include_header("MyWay Deltas", "mywayDelta"); ?> <!--[if lt IE 9]> <script type="text/javascript" src="../js/FlashCanvas/bin/flashcanvas.js"></script> <![endif]--> <script type="text/javascript" src="../js/flotr2/flotr2.min.js"></script> <form method="get" action=""> <select id="stopid" name="stopid"> <?php $query = "select distinct myway_stop from myway_timingdeltas 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 = document.getElementById("placeholder"); var data = []; var options = { xaxis: { mode: "time" }, yaxis: { tickFormatter: yformatter }, mouse: { track: true, relative: true, trackFormatter: showTooltip} }; Flotr.draw(placeholder, data, options); // 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) { // let's add it to our current data if (!alreadyFetched[series.label]) { alreadyFetched[series.label] = true; data.push(series); } // and plot all we got Flotr.draw(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(point) { var d = new Date(); d.setTime(point.x); var time = d.getUTCHours() +':'+ (d.getUTCMinutes().toString().length == 1 ? '0'+ d.getMinutes(): d.getUTCMinutes()) return point.series.label + " at "+ time +" = " + Math.abs(new Number(point.y/60).toFixed(2))+" minutes "+(point.y >0 ? "early":"late"); } </script> |