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graph.htm
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<html>
<head>
<meta name="viewport" content="width=device-width, maximum-scale=1.0" />
<style type="text/css">/* http://meyerweb.com/eric/tools/css/reset/
v2.0 | 20110126
License: none (public domain)
*/
@media screen {
*{-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box; }
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
display: block;
}
body {
line-height: 1;
}
ol, ul {
list-style: none;
}
blockquote, q {
quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
content: '';
content: none;
}
table {
border-collapse: collapse;
border-spacing: 0;
}
/*
Copyright (c) 2010, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.com/yui/license.html
version: 2.8.1
*/
body{font:13px/1.231 arial,helvetica,clean,sans-serif;*font-size:small;*font:x-small;}select,input,button,textarea,button{font:99% arial,helvetica,clean,sans-serif;}table{font-size:inherit;font:100%;}pre,code,kbd,samp,tt{font-family:monospace;*font-size:108%;line-height:100%;}
/*
font sizes
px %
10 77
11 85
12 93
13 100
14 108
15 116
16 123.1
17 131
18 138.5
19 146.5
20 153.9
21 161.6
22 167
23 174
24 182
25 189
26 197
*/
body, html{
height: 100%;
width: 100%:
}
}
</style>
</head>
<body style="margin: 2%;">
</body>
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="javascripts/plugins/hammer.js"></script>
<script src="javascripts/plugins/jquery.hammer.js"></script>
<script>
$(document.body).ready(function(){
// var pabs = new Pablo();
Pablo.init();
// Pablo.drawGrid();
});
</script>
<script>
var Pablo = Pablo || {};
Pablo = (function (window, document) {
var self = {
'init': function () {
var pablo = self;
pablo.unitsShown = 35;
pablo.MAX_VIEW = 100;
pablo.MIN_VIEW = 10;
pablo.yAxisMax = 5;
pablo.yAxisMin = 0;
$(document.body).append($('<canvas id="graph"></canvas>'));
$(document.body).append($('<input type="range" id="dateAdjust" min="' + pablo.MIN_VIEW + '" max="' + pablo.MAX_VIEW + '" value="' + pablo.unitsShown + '" step="1" style="width: 100%;" />'))
pablo.$graph = $('#graph');
pablo.graph = pablo.$graph[0];
pablo.context = pablo.graph.getContext('2d');
pablo.graph.width = parseInt(pablo.$graph.parent().width());
pablo.graph.height = parseInt(pablo.$graph.parent().height()) * 0.7;
$(window).on('resize', function () {
pablo.clear();
pablo.redraw();
});
pablo.modFactor = 1;
$(document.body).append($('<a href="#" id="btnPrev" style="margin-left:20%;display:block;width:100px;height:40px;border:1px solid black;">Prev</a>'));
$(document.body).append($('<a href="#" id="btnNext" style="margin-left:20%;display:block;width:100px;height:40px;border:1px solid black;">Next</a>'));
pablo.series = [];
$('#dateAdjust').on('change', pablo.adjustSlider);
$('#btnNext').on('click', function (e) {
e.preventDefault();
e.stopPropagation();
pablo.next();
});
$('#btnPrev').on('click', function (e) {
e.preventDefault();
e.stopPropagation();
pablo.prev();
});
pablo.transformTicker = 0;
pablo.$graph.hammer().on("swipe", function(e) {
e.preventDefault();
var dir = "";
if(e.direction == 'right'){
pablo.prev();
}else if(e.direction == 'left'){
pablo.next();
}
}).on('transform', function(e){
e.preventDefault();
e.stopPropagation();
var $dateSlider = $('#dateAdjust');
var value = parseInt($dateSlider.val());
if(e.scale < 1){
pablo.transformTicker++;
// if(pablo.transformTicker % 3 == 0){
$('#dateAdjust').val(value + 1).trigger('change');
// }
}else if(e.scale >= 1){
pablo.transformTicker++;
// if(pablo.transformTicker % 3 == 0){
// alert(value);
$('#dateAdjust').val(value - 1).trigger('change');
// }
}
});
if (window.devicePixelRatio > 1) {
var hidefCanvasWidth = pablo.graph.width;
var hidefCanvasHeight = pablo.graph.height;
var hidefCanvasCssWidth = hidefCanvasWidth + 'px';
var hidefCanvasCssHeight = hidefCanvasHeight + 'px';
pablo.$graph.attr('width',hidefCanvasWidth * window.devicePixelRatio);
pablo.$graph.attr('height',hidefCanvasHeight * window.devicePixelRatio);
pablo.$graph.css('width', hidefCanvasCssWidth);
pablo.$graph.css('height', hidefCanvasCssHeight);
pablo.context.scale(window.devicePixelRatio, window.devicePixelRatio);
}
pablo.updateData();
},
'drawGrid': function (cntxt) {
var pablo = self;
var $graph = pablo.$graph;
var graph = pablo.graph;
var context = cntxt || pablo.context;
var graphWidth = graph.width;
pablo.graphWSegments = graphWidth / pablo.unitsShown;
graphWSegments = pablo.graphWSegments;
var graphHeight = graph.height;
pablo.graphHSegments = graphHeight / 10;
graphHSegments = pablo.graphHSegments;
var curX = 0;
for(var i = 0; i <= pablo.unitsShown; i++) {
context.strokeStyle = '#bebebe';
pablo.modFactor = 1;
MAX_VIEW = pablo.MAX_VIEW;
var tier1 = MAX_VIEW * .3;
var tier2 = MAX_VIEW * .65;
var tier3 = MAX_VIEW * .85;
if(pablo.unitsShown >= tier1 && pablo.unitsShown < tier2) {
pablo.modFactor = 2;
} else if(pablo.unitsShown >= tier2 && pablo.unitsShown < tier3) {
pablo.modFactor = 4;
} else if(pablo.unitsShown >= tier3) {
pablo.modFactor = 8;
}
context.lineWidth = 0.5;
context.beginPath();
curX = i * (graphWSegments);
context.moveTo(curX, 0);
context.lineTo(curX, graphHeight);
context.closePath();
if(i % pablo.modFactor == 0) {
context.strokeStyle = 'rgba(190,190,190,0.9)';
context.stroke();
} else {
context.strokeStyle = 'rgba(190,190,190,0.3)';
context.stroke();
}
}
var curY = 0;
for(var j = 0; j <= 10; j++) {
var grad = context.createLinearGradient(0, 0, 0, graphHeight);
grad.addColorStop(0, "rgba(0,0,0,0)");
grad.addColorStop(0.05, "rgba(0,0,0,.1)");
grad.addColorStop(0.5, "rgba(0,0,0,1)");
grad.addColorStop(0.95, "rgba(0,0,0,.1)");
grad.addColorStop(1, "rgba(0,0,0,0)");
context.strokeStyle = grad;
context.lineWidth = 0.5;
context.beginPath();
curY = j * (graphHSegments);
context.moveTo(0, curY);
context.lineTo(graphWidth, curY);
context.closePath();
context.strokeStyle = 'rgba(0,0,0, 0.1)';
context.stroke();
}
return pablo;
},
'clear': function () {
var pablo = self;
pablo.context.clearRect(0, 0, pablo.graph.width, pablo.graph.height);
return pablo.context;
},
'offscreenCanvas': function () {
var pablo = self;
var $theCanvas = $('#graph');
var $dummy = $('<canvas></canvas>');
var dummyCanvas = $dummy[0];
dummyCanvas.height = $theCanvas[0].height;
dummyCanvas.width = $theCanvas[0].width;
return dummyCanvas;
},
'redraw': function (animate, forward) {
var pablo = self;
animate = animate || false;
forward = forward || false;
pablo.getMinYwithinRange(pablo.series[0]);
pablo.getMaxYwithinRange(pablo.series[0]);
var oldCanvas = $('#graph')[0].toDataURL("image/png");
var img = new Image();
img.src = oldCanvas;
if(animate) {
var hiddenCanvas = pablo.offscreenCanvas();
var hiddenContext = hiddenCanvas.getContext('2d');
pablo.drawGrid(hiddenContext).drawAllLines(hiddenContext);
var newCanvas = hiddenCanvas.toDataURL("image/png");
var newImg = new Image();
newImg.src = newCanvas;
}
img.onload = function () {
pablo.context.drawImage(img, 0, 0);
$('#graph')[0].width = pablo.$graph.parent().width();
if(animate) {
var x = 0;
var inc = 0.01;
if(!forward) {
inc = -0.01;
}
window.thisInterval = setInterval(function () {
pablo.clear().drawImage(img, x, 0);
if(forward) {
pablo.context.drawImage(newImg, x + pablo.graph.width, 0);
} else {
pablo.context.drawImage(newImg, x - pablo.graph.width, 0);
}
x -= inc;
inc += inc;
if(inc >= 15) {
inc = 15;
} else if(inc <= -15) {
inc = -15;
// inc *= -0.9;
}
if(forward && (x <= -1 * pablo.graph.width)) {
pablo.context.drawImage(newImg, -1 * pablo.graph.width, 0);
clearInterval(window.thisInterval);
pablo.redraw();
} else if(!forward && (x >= pablo.graph.width)) {
pablo.context.drawImage(newImg, pablo.graph.width, 0);
clearInterval(window.thisInterval);
pablo.redraw();
}
}, 10);
} else {
pablo.drawGrid().drawAllLines();
}
}
},
'drawSeeker': function () {
var pablo = self;
},
'drawLine': function (data, cntxt) {
var pablo = self;
var lastX = null;
var lastY = null;
var context = cntxt || pablo.context;
var dateCounter = 0;
for(var i = pablo.startDate, j = 0; i >= pablo.startDate - pablo.unitsShown; i--, j++) {
if(i < 0) {
pablo.unitsShown = j;
pablo.redraw();
break;
}
var value = data[i]['value'] / 100;
var valDif = value - pablo.yAxisMin;
var relDif = valDif / (pablo.yAxisMax - pablo.yAxisMin);
var relative = value / pablo.yAxisMax;
var yPoint = ((relDif) * pablo.graph.height); // + ((value / (pablo.yAxisMax-pablo.yAxisMin))*pablo.graphHSegments));//( * pablo.graphHSegments) + pablo.yAxisMin;
var xPoint = j * pablo.graphWSegments;
context.beginPath();
context.shadowOffsetX = 0; // Sets the shadow offset x, positive number is right
context.shadowOffsetY = 1; // Sets the shadow offset y, positive number is down
context.shadowBlur = 0; // Sets the shadow blur size
context.shadowColor = 'rgba(0, 0, 0, 0.6)'; // Sets the shadow color
// if(i == pablo.startDate - pablo.unitsShown - 1){
//
// log('wtf');
// context.lineTo(xPoint, yPoint);
// }else{
// log('omg');
context.moveTo(xPoint, yPoint);
context.lineTo(lastX, lastY);
// }
context.closePath();
context.stroke();
context.strokeStyle = 'rgba(0,0,0,1)';
context.beginPath();
if(true) {
var gradient = context.createLinearGradient(0, 0, 210, 363);
gradient.addColorStop(0, "rgb(253, 185, 105)");
gradient.addColorStop(0.5, "rgb(253, 185, 105)");
gradient.addColorStop(0.53, "rgb(242, 147, 35)");
gradient.addColorStop(1, "rgb(242, 147, 35)");
context.fillStyle = gradient;
}
if(lastX == null) {
context.arc(xPoint, yPoint, 7, 0, 2 * Math.PI, true);
context.beginPath();
context.rect(0, pablo.graph.height-50, pablo.graphWSegments * 1.5 * pablo.modFactor, 50);
context.fillStyle = '#83a725';
context.fill();
context.closePath();
context.fillStyle = '#fff';
context.font = '13px bold';
context.textBaseline = 'middle';
context.fillText('Jun', (pablo.graphWSegments * 1.5 / 2), pablo.graph.height-25);
} else {
if((j - 1) % pablo.modFactor == 0) {
context.arc(lastX, lastY, 7, 0, 2 * Math.PI, true);
context.fill();
context.beginPath();
context.rect(xPoint+((pablo.graphWSegments* pablo.modFactor)/2), pablo.graph.height-50, pablo.graphWSegments * pablo.modFactor, 50);
if(dateCounter%2 != 0){
context.fillStyle = '#8c8c8c';
}else{
context.fillStyle = '#a7a7a7';
}
dateCounter += 1;
context.fill();
context.closePath();
if(j > 1){
context.fillStyle = '#fff';
context.font = '13px';
context.textBaseline = 'middle';
var tickerDate = pablo.series[0][i]['timestamp'];
tickerDate = new Date(tickerDate);
context.fillText(tickerDate.getMinutes(), j*pablo.graphWSegments, pablo.graph.height-25);
}
} else {
context.fillStyle = "#bebebe";
context.arc(lastX, lastY, 3, 0, 2 * Math.PI, true);
context.fill();
}
}
context.closePath();
lastX = xPoint;
lastY = yPoint;
}
// }
},
'drawAllLines': function (cntxt) {
var pablo = self;
// log('drawAllLines', pablo.series, pablo.series.length);
for(var i = 0; i < pablo.series.length; i++) {
// log('drawing', pablo.series[i]);
pablo.drawLine(pablo.series[i], cntxt);
}
},
'setStartDate': function (date) {
var pablo = self;
pablo.startDate = date;
},
'getStartingDate': function () {
var pablo = self;
return pablo.startDate;
},
'getMinYwithinRange': function (data) {
var pablo = self;
var minY = 99999999999999999; //pablo.yAxisMax;
for(var i = 0; i < pablo.series.length; i++) {
for(var k = pablo.startDate, j = 0; k >= pablo.startDate - (pablo.unitsShown); k--, j++) {
if((data[k]['value'] / 100) < minY) {
minY = (data[k]['value'] / 100);
}
}
}
pablo.yAxisMin = minY - 0.01; //Math.round(minY + 0.5);
return minY;
},
'getMaxYwithinRange': function (data) {
var pablo = self;
var maxY = 0; //pablo.yAxisMax;
for(var i = 0; i < pablo.series.length; i++) {
for(var k = pablo.startDate, j = 0; k >= pablo.startDate - (pablo.unitsShown); k--, j++) {
if((data[k]['value'] / 100) > maxY) {
maxY = (data[k]['value'] / 100);
}
}
}
pablo.yAxisMax = maxY + 0.01; //Math.round(maxY + 0.5);
return maxY;
},
'adjustSlider': function (e) {
var pablo = self;
pablo.unitsShown = parseInt($(e.currentTarget).val());
if(pablo.unitsShown > pablo.MAX_VIEW){
pablo.unitsShown = pablo.MAX_VIEW;
$(e.currentTarget).val(pablo.MAX_VIEW);
}
pablo.redraw();
},
'next': function () {
var pablo = self;
if(pablo.getStartingDate() - pablo.unitsShown >= 0) {
pablo.setStartDate(pablo.getStartingDate() - pablo.unitsShown);
pablo.redraw(true, true);
}
},
'prev': function () {
var pablo = self;
if(pablo.getStartingDate() + pablo.unitsShown <= pablo.series[0].length - 1) {
pablo.setStartDate(pablo.getStartingDate() + pablo.unitsShown);
pablo.redraw(true, false);
}
},
'updateData': function () {
var pablo = self;
var maxY = pablo.yAxisMax;
$.ajax({
'url': 'query.php?a=getStatsHistory'
}).done(function (res) {
var importedSeries = $.parseJSON(res);
var date = new Date(importedSeries[0]['timestamp']);
log(importedSeries[0], date, date.getMonth() + 1 + '/' + date.getDate() + '/' + date.getFullYear());
var date = new Date(importedSeries[importedSeries.length - 1]['timestamp']);
log(importedSeries[importedSeries.length - 1], date, date.getMonth() + 1 + '/' + date.getDate() + '/' + date.getFullYear());
pablo.series.push(importedSeries);
pablo.setStartDate(importedSeries.length - 1);
pablo.redraw();
});
}
};
return self;
})(this, this.document);
window.log = function(){
log.history = log.history || []; // store logs to an array for reference
log.history.push(arguments);
if(this.console){
console.log( Array.prototype.slice.call(arguments) );
}
};
Object.size = function(obj) {
var size = 0, key;
for (key in obj) {
if (obj.hasOwnProperty(key)) size++;
}
return size;
};
</script>
</html>