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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | <?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 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_name from myway_timingdeltas order by route_name"; $query = $conn->prepare($query); $query->execute(); if (!$query) { databaseError($conn->errorInfo()); return Array(); } foreach ($query->fetchAll() as $route) { echo "<option value=\"{$route['route_name']}\">{$route['route_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> |