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php-e107/e107_handlers/chart_class.php

699 lines
15 KiB
PHP

<?php
/*
* e107 website system
*
* Copyright (C) 2008-2013 e107 Inc (e107.org)
* Released under the terms and conditions of the
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
*
* Chart Class for e107. @see https://github.com/FVANCOP/ChartNew.js for details.
*/
/**
*
*
* Example of Usage:
*
* $data = array();
$data['labels'] = array("January","February","March","April","May","June","July");
$data['datasets'][] = array(
'fillColor' => "rgba(220,220,220,0.5)",
'strokeColor' => "rgba(220,220,220,1)",
'pointColor ' => "rgba(220,220,220,1)",
'pointStrokeColor' => "#fff",
'data' => array(65,59,90,81,56,55,40)
);
$data['datasets'][] = array(
'fillColor' => "rgba(151,187,205,0.5)",
'strokeColor' => "rgba(151,187,205,1)",
'pointColor ' => "rgba(151,187,205,1)",
'pointStrokeColor' => "#fff",
'data' => array(28,48,40,19,96,27,100)
);
$options = array('bezierCurve' => false);
'
$cht = e107::getChart();
$cht->setType('line');
$cht->setOptions($options);
$cht->setData($data,'canvas');
echo $cht->render('canvas');
*/
/*
* var allopts = {
//Boolean - If we show the scale above the chart data -> Default value Changed
scaleOverlay : true,
//Boolean - If we want to override with a hard coded scale
scaleOverride : false,
//** Required if scaleOverride is true **
//Number - The number of steps in a hard coded scale
scaleSteps : null,
//Number - The value jump in the hard coded scale
scaleStepWidth : null,
//Number - The scale starting value
scaleStartValue : null,
//String - Colour of the scale line
scaleLineColor : "rgba(0,0,0,.1)",
//Number - Pixel width of the scale line
scaleLineWidth : 1,
//Boolean - Whether to show labels on the scale
scaleShowLabels : true,
//Interpolated JS string - can access value
scaleLabel : "<%=value%>",
//String - Scale label font declaration for the scale label
scaleFontFamily : "'Arial'",
//Number - Scale label font size in pixels
scaleFontSize : 12,
//String - Scale label font weight style
scaleFontStyle : "normal",
//String - Scale label font colour
scaleFontColor : "#666",
///Boolean - Whether grid lines are shown across the chart
scaleShowGridLines : true,
//String - Colour of the grid lines
scaleGridLineColor : "rgba(0,0,0,.05)",
//Number - Width of the grid lines
scaleGridLineWidth : 1,
//Boolean - Whether the line is curved between points -> Default value Changed
bezierCurve : false,
//Boolean - Whether to show a dot for each point -> Default value Changed
pointDot : false,
//Number - Radius of each point dot in pixels
pointDotRadius : 3,
//Number - Pixel width of point dot stroke
pointDotStrokeWidth : 1,
//Boolean - Whether to show a stroke for datasets
datasetStroke : true,
//Number - Pixel width of dataset stroke
datasetStrokeWidth : 2,
//Boolean - Whether to fill the dataset with a colour
datasetFill : true,
//Boolean - Whether to animate the chart -> Default value changed
animation : false,
//Number - Number of animation steps
animationSteps : 60,
//String - Animation easing effect
animationEasing : "easeOutQuart",
//Function - Fires when the animation is complete
onAnimationComplete : null,
canvasBorders : true,
canvasBordersWidth : 30,
canvasBordersColor : "black",
yAxisLeft : true,
yAxisRight : true,
yAxisLabel : "Y axis",
yAxisFontFamily : "'Arial'",
yAxisFontSize : 50,
yAxisFontStyle : "normal",
yAxisFontColor : "#666",
xAxisLabel : "",
xAxisFontFamily : "'Arial'",
xAxisFontSize : 16,
xAxisFontStyle : "normal",
xAxisFontColor : "#666",
yAxisUnit : "UNIT",
yAxisUnitFontFamily : "'Arial'",
yAxisUnitFontSize : 12,
yAxisUnitFontStyle : "normal",
yAxisUnitFontColor : "#666",
graphTitle : "",
graphTitleFontFamily : "'Arial'",
graphTitleFontSize : 24,
graphTitleFontStyle : "bold",
graphTitleFontColor : "#666",
graphSubTitle : "",
graphSubTitleFontFamily : "'Arial'",
graphSubTitleFontSize : 18,
graphSubTitleFontStyle : "normal",
graphSubTitleFontColor : "#666",
footNote : "Footnote",
footNoteFontFamily : "'Arial'",
footNoteFontSize : 50,
footNoteFontStyle : "bold",
footNoteFontColor : "#666",
legend : true,
legendFontFamily : "'Arial'",
legendFontSize : 18,
legendFontStyle : "normal",
legendFontColor : "#666",
legendBlockSize : 30,
legendBorders : true,
legendBordersWidth : 30,
legendBordersColor : "#666",
// ADDED PARAMETERS
graphMin : "DEFAULT",
graphMax : "DEFAULT"
*/
/**
* Using with Google Charts:
* $cht = e107::getChart();
$cht->setProvider('google');
$cht->setType('line');
$cht->setOptions('demo');
$cht->setData('demo','canvas');
$text = $cht->render('canvas');
*/
class e_chart
{
protected $id;
protected $data = null;
protected $type = 'line';
protected $options = array('scaleFontSize' => 14, 'annotateDisplay' => true, 'bezierCurve' => true, 'inGraphDataShow'=>false);
protected $provider = null;
function __construct()
{
// e107::js('core','chart/Chart.min.js','jquery');
// e107::css('inline','canvas.e-graph { width: 100% !important; max-width: 800px; height: auto !important; }');
}
/**
* @param $type
* @return $this
*/
public function setProvider($type = null)
{
if(!empty($type))
{
$this->provider = $type;
}
return $this;
}
/**
* @return null
*/
public function getProvider()
{
return $this->provider;
}
/**
* @return false|string
*/
private function getData()
{
return json_encode($this->data);
}
/**
* @return false|string
*/
private function getOptions()
{
return json_encode($this->options);
}
/**
* @param $flag
* @return $this
*/
public function debug($flag=false)
{
if($flag === true)
{
e107::getDebug()->log($this->data);
}
return $this;
}
/**
* @return string
*/
public function renderTable()
{
$head = array();
$body = array();
foreach($this->data as $k=>$v)
{
if($k == 0)
{
foreach($v as $key=> $val)
{
$head[] = $val;
}
continue;
}
foreach($v as $key=> $val)
{
$body[$k][$key] = $val;
}
}
$text = "<table class='table table-condensed table-striped table-bordered'>";
$text .= "<colgroup>";
foreach($head as $th)
{
$text .= "<col class='".eHelper::secureIdAttr($th)."' />";
}
$text .= "</colgroup>";
$text .= "<tr>";
foreach($head as $th)
{
$text .= "<th>".$th."</th>";
}
$text .= "</tr>";
foreach($body as $tr)
{
$text .= "<tr>";
foreach($tr as $td)
{
$text .= "<td>".$td."</td>";
}
$text .= "</tr>";
}
$text .= "</table>";
return $text;
}
/**
* Set the type of graph
* @param string $type - line | bar | pie | radar | doughnut | polar
* @return $this
*/
public function setType($type)
{
$this->type = $type;
return $this;
}
/**
* Set the data values
* @param array $data
* @return $this
*/
public function setData($data)
{
// $this->id = $id;
if($data == 'demo')
{
$this->data = $this->getDemoData();
}
else
{
$this->data = $data;
}
return $this;
}
/**
* @return array
*/
private function getDemoData()
{
$data = array();
if($this->provider == 'google')
{
$data = array(
array('Year', 'Sales', 'Expenses'),
array('2013', 1000, 400),
array('2014', 1170, 460),
array('2015', 660, 1120),
array('2016', 1030, 540)
);
return $data;
}
$data['labels'] = array("January","February","March","April","May","June","July");
$data['datasets'][] = array(
'fillColor' => "rgba(220,220,220,0.5)",
'strokeColor' => "rgba(220,220,220,1)",
'pointColor ' => "rgba(220,220,220,1)",
'pointStrokeColor' => "#fff",
'data' => array(65,59,90,81,56,55,40),
'title' => "Visits"
);
$data['datasets'][] = array(
'fillColor' => "rgba(151,187,205,0.5)",
'strokeColor' => "rgba(151,187,205,1)",
'pointColor ' => "rgba(151,187,205,1)",
'pointStrokeColor' => "#fff",
'data' => array(28,48,40,19,96,27,100),
'title' => "Unique Visits"
);
return $data;
}
/**
* @param $data
* @return $this
*/
public function setOptions($data)
{
if($this->provider == 'google' && $data == 'demo')
{
$this->options = array(
'title' => 'Company Performance',
'hAxis' => array('title'=>'Year', 'titleTextStyle'=>array('color'=>'#333')),
'vAxis' => array('minValue'=>0)
);
}
else
{
$this->options = $data;
}
return $this;
}
/**
* Render Graph
* @param string $id of canvas
* @param integer $width
* @param integer $height
* @return null
*/
public function render($id, $width='100%',$height=300)
{
if($this->data == null)
{
return "<div class='alert alert-info alert-block'>No chart data provided</div>";
}
if($this->provider == 'google')
{
$this->options['width'] = $width;
$this->options['height']= $height;
$fName = 'draw'.ucfirst($id);
$js = " google.load('visualization', '1', {packages:['corechart']});
google.setOnLoadCallback(".$fName.");
function ".$fName."() {
var data = google.visualization.arrayToDataTable(".$this->getData().");
var options = ".$this->getOptions()." ;
";
switch ($this->type)
{
case 'bar':
$js .= "var chart = new google.visualization.BarChart(document.getElementById('".$id."')); ";
break;
case 'column':
$js .= "var chart = new google.visualization.ColumnChart(document.getElementById('".$id."')); ";
break;
case 'geo':
$js .= "var chart = new google.visualization.GeoChart(document.getElementById('".$id."')); ";
break;
case 'polar':
//TODO
break;
case 'doughnut':
//
break;
case 'pie':
$js .= "var chart = new google.visualization.PieChart(document.getElementById('".$id."')); ";
break;
default:
case 'line':
case 'area':
$js .= "var chart = new google.visualization.AreaChart(document.getElementById('".$id."')); ";
break;
}
// Toggle Data from clicking on Legend. //FIXME
/* $js .= "
// create columns array
var columns".$id." = [];
// display these data series by default
var defaultSeries = [1, 3];
var series".$id." = {};
for (var i = 0; i < data.getNumberOfColumns(); i++) {
if (i == 0 || defaultSeries.indexOf(i) > -1) {
// if the column is the domain column or in the default list, display the series
columns".$id.".push(i);
}
else {
// otherwise, hide it
columns".$id.".push({
label: data.getColumnLabel(i),
type: data.getColumnType(i),
sourceColumn: i,
calc: function () {
return null;
}
});
}
if (i > 0) {
columns".$id.".push({
calc: 'stringify',
sourceColumn: i,
type: 'string',
role: 'annotation'
});
// set the default series option
series".$id."[i - 1] = {};
if (defaultSeries.indexOf(i) == -1) {
// backup the default color (if set)
if (typeof(series".$id."[i - 1].color) !== 'undefined') {
series".$id."[i - 1].backupColor = series".$id."[i - 1].color;
}
series".$id."[i - 1].color = '#CCCCCC';
}
}
}
function showHideSeries".$id." () {
var sel = chart.getSelection();
// if selection length is 0, we deselected an element
if (sel.length > 0) {
// if row is undefined, we clicked on the legend
if (sel[0].row == null) {
var col = sel[0].column;
if (typeof(columns".$id."[col]) == 'number') {
var src = columns".$id."[col];
// hide the data series
columns".$id."[col] = {
label: data.getColumnLabel(src),
type: data.getColumnType(src),
sourceColumn: src,
calc: function () {
return null;
}
};
// grey out the legend entry
series".$id."[src - 1].color = '#CCCCCC';
}
else {
var src = columns".$id."[col].sourceColumn;
// show the data series
columns".$id."[col] = src;
series".$id."[src - 1].color = null;
}
var view = new google.visualization.DataView(data);
view.setColumns(columns".$id.");
chart.draw(view, options);
}
}
}
google.visualization.events.addListener(chart, 'select', showHideSeries".$id.");
";
*/
$js .= "
chart.draw(data, options);
}
$(window).resize(function(){
".$fName."();
});
$('a[data-toggle=\"tab\"]').on('shown.bs.tab', function (e) {
".$fName."();
});
";
e107::js('footer','https://www.google.com/jsapi');
e107::js('footer-inline', $js);
return "<div class='e-graph e-chart' id='".$id."' style='width: ".$width."; height: ".$height."px;'></div>";
}
e107::js('core','chart/ChartNew.js','jquery');
$js = "var ChartData = ".$this->getData()."\n";
$js .= 'var ChartOptions = '.$this->getOptions();
$js .= ";\n";
switch ($this->type)
{
case 'bar':
$js .= 'var myLine = new Chart(document.getElementById("'.$id.'").getContext("2d")).Bar(ChartData, ChartOptions);';
break;
case 'polar':
case 'pie':
case 'radar':
//TODO
break;
case 'doughnut':
$js .= 'var myDoughnut = new Chart(document.getElementById("'.$id.'").getContext("2d")).Doughnut(ChartData, ChartOptions);';
break;
default:
case 'line':
$js .= '
var myLine = new Chart(document.getElementById("'.$id.'").getContext("2d")).Line(ChartData, ChartOptions);
';
break;
}
// Auto-resize the canvas. //TODO Get it working with multiple instances.
e107::js('footer-inline', "
var c = $('#".$id."');
var ct = c.get(0).getContext('2d');
var container = $(c).parent();
//Run function when browser resizes
$(window).resize( respondCanvas );
function respondCanvas(){
c.attr('width', $(container).width() ); //max width
c.attr('height', $(container).height() ); //max height
//Call a function to redraw other content (texts, images etc)
}
//Initial call
respondCanvas();
");
e107::js('footer-inline',$js);
return '<canvas class="e-graph e-chart" id="'.$id.'" height="'.$height.'" width="'.$width.'" >HTML5 Canvas not supported.</canvas>';
}
}