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This commit is contained in:
Deon George
217
modules/gchart/classes/GoogleChart.php
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217
modules/gchart/classes/GoogleChart.php
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@@ -0,0 +1,217 @@
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<?php defined('SYSPATH') or die('No direct access allowed.');
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/**
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* This class provides access to Google's Chart API
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*
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* @package GoogleChart
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* @category Helper
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* @author Deon George
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* @copyright (c) 2009-2013 Deon George
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* @license http://dev.leenooks.net/license.html
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*/
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abstract class GoogleChart implements Iterator,Countable {
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// Hold the data for our chart
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protected $_data = array();
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protected $_axis = array();
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private $_plotdata = array();
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protected $_max = array();
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// Chart title
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protected $_title = '';
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protected $_dataurl = '';
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protected $_divname = 'gchart';
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// Default chart size.
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protected $_height = '200';
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protected $_width = '700';
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// Colors to use for series
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private $series_colors = array('AAACCC','E0E0E0','CCC888','EEEBBB','666CCC','888888');
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// Implementation Methods
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public function count() {
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return count($this->_plotdata);
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}
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public function current() {
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return current($this->_plotdata);
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}
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public function key() {
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return key($this->_plotdata);
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}
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public function next() {
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return next($this->_plotdata);
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}
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public function rewind() {
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reset($this->_plotdata);
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}
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public function valid() {
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return key($this->_plotdata) ? TRUE : FALSE;
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}
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public function __call($name,$args) {
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switch ($name) {
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case 'dataurl': $this->_dataurl = array_shift($args);
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break;
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case 'div': $this->_divname = array_shift($args);
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break;
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case 'height': $this->_height = array_shift($args);
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break;
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case 'title': $this->_title = array_shift($args);
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break;
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case 'width': $this->_width = array_shift($args);
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break;
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default:
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throw new Kohana_Exception('Unknown method :name',array(':name'=>$name));
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}
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return $this;
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}
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/**
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* Render the URL that generates the graph
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*/
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final public function __toString() {
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try {
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return (string)$this->render();
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} catch (Exception $e) {
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echo Debug::vars($e);
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}
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}
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/**
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* Pick the driver that will render the graph
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* @param $class The child class to invoke
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*/
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final public static function factory($class) {
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$c = sprintf('%s_%s',get_called_class(),$class);
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if (! class_exists($c))
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throw new Kohana_Exception('Unknown Google Chart Type :class',array(':class'=>$class));
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else
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return new $c();
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}
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// Render the chart data in a json format
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abstract public function json();
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// Our child class should define how to render as a string
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abstract public function render();
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/**
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* Record one series of data
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* @param $axis Axis used and legend title, eg: (yr->"Right Y",yl->"Left Y")
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* @param $data Data for Axis in the format ("x label"=>value);
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*
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* Example:
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* $this->data('yl'=>'Base Down Peak',array('11-12'=>1,'11-11'=>2));
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*/
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public function sdata(array $axis,array $data) {
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// Some sanity checking
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if (count($axis) != 1)
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throw new Kohana_Exception('We can only take 1 series at time.');
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// This should only iterate once
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foreach ($axis as $key => $l) {
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if (! in_array($key,array('yr','yl')))
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throw new Kohaan_Exception('Unknown AXIS :axis',array(':axis'=>$key));
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$this->_axis[$l] = $key;
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$this->_data[$l] = $data[$l];
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// Upate our plot data
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foreach ($data[$l] as $k=>$v)
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$this->_plotdata[$k][$l] = $v;
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ksort($this->_plotdata);
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$this->_max[$l] = max($data[$l]);
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}
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return $this;
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}
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/**
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* Record on plot event
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* @param $data Should contain an "X" with a "YL" and/or "YR"
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*/
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public function pdata($x,array $data) {
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if (! is_string($x))
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throw new Kohana_Exception('X should be a string');
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foreach ($data as $key => $values) {
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switch ($key) {
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case 'yr':
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case 'yl':
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foreach ($values as $k=>$v) {
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if (! in_array($k,$this->_axis))
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$this->_axis[$k] = $key;
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$this->_data[$k][$x] = $v;
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$this->_plotdata[$x][$k] = $v;
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}
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break;
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default:
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throw new Kohana_Exception('Unknown key :key',array(':key'=>$key));
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}
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}
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}
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/**
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* Return the colors that will be used for this series
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*/
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protected function seriescolors() {
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return array_slice($this->series_colors,0,count($this->_axis));
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}
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/**
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* Render the chart data in a table format
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*/
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public function table($vertical=TRUE,$class=array()) {
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if (! $this->_data)
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return sprintf('<table><tr><td>%s</td></tr></table>',_('No Data'));
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$output = sprintf('<table %s>',
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isset($class['table']) ? $class['table'] : 'class="google-data-table"');
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if ($vertical) {
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$output .= '<tr>';
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$output .= '<td> </td>';
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foreach ($this->_axis as $l => $axis)
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$output .= sprintf('<th style="text-align: right;">%s</th>',$l);
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$output .= '</tr>';
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foreach ($this as $k => $details) {
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$output .= '<tr>';
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$output .= sprintf('<th style="text-align: right;">%s</th>',$k);
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foreach ($this->_axis as $l => $axis)
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$output .= sprintf('<td style="text-align: right;">%s</td>',$details[$l]);
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$output .= '</tr>';
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}
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// Horizontal table
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} else {
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$output .= '<tr>';
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$output .= '<td> </td>';
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foreach ($this as $k => $details)
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$output .= sprintf('<th style="text-align: right;">%s</th>',$k);
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$output .= '</tr>';
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foreach ($this->_axis as $l => $axis) {
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$output .= '<tr>';
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$output .= sprintf('<th style="text-align: right;">%s</th>',$l);
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foreach ($this as $k => $v)
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$output .= sprintf('<td style="text-align: right;">%s</td>',$v[$l]);
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$output .= '</tr>';
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}
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}
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$output .= '</table>';
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return $output;
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}
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}
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?>
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170
modules/gchart/classes/GoogleChart/ComboChart.php
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170
modules/gchart/classes/GoogleChart/ComboChart.php
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@@ -0,0 +1,170 @@
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<?php defined('SYSPATH') or die('No direct access allowed.');
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/**
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* This class provides access to Google's Chart API
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*
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* @package GoogleChart
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* @category Helper
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* @author Deon George
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* @copyright (c) 2009-2013 Deon George
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* @license http://dev.leenooks.net/license.html
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*/
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class GoogleChart_ComboChart extends GoogleChart {
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// Should the Y column range be a log() function
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protected $_logy = FALSE;
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// Should the bar values be stacked
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protected $_stacked = FALSE;
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// Default line type to use
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protected $_type = 'bars';
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public function logy($value) {
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$this->_logy = $value;
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return $this;
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}
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public function stacked($value) {
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$this->_stacked = $value;
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return $this;
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}
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/**
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* Set the type of the chart
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* @param $type Chart type as per $this->cht
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*/
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public function ltitle($side,$title) {
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if (! in_array($side,array('yl','yr','x')))
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throw new Kohana_Exception('Unknown side :side',array(':side'=>$side));
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$this->_ltitle[$side] = $title;
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return $this;
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}
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public function json() {
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$result = array();
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$result['cols'][] = array(
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'id'=>'date',
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'label'=>'date',
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'type'=>'string',
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);
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// Columns
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foreach (array_keys($this->_axis) as $l) {
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$result['cols'][] = array(
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'id'=>$l,
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'label'=>$l,
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'type'=>'number',
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);
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}
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// Values
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foreach ($this as $k => $v) {
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$data = array();
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array_push($data,array('v'=>$k));
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foreach ($this->_axis as $l => $axis)
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array_push($data,array('v'=>isset($v[$l]) ? $v[$l] : 0));
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$result['rows'][] = array('c'=>$data);
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}
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$options = array(
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'bar' => array('groupWidth'=>'75%'),
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'vAxis' => array('logScale'=>$this->_logy ? 1:0),
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'title' => $this->_title,
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'isStacked' => $this->_stacked ? 1:0,
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'seriesType' => $this->_type,
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'series' => $this->series(),
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);
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return json_encode(array('data'=>$result,'options'=>$options));
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}
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public function render() {
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Script::add(array(
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'type'=>'src',
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'data'=>'https://www.google.com/jsapi',
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));
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Script::add(array(
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'type'=>'stdin',
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'data'=>'google.load("visualization", "1", {packages: ["corechart"]});',
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));
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Script::add(array(
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'type'=>'stdin',
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'data'=>"
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function drawChart_".$this->_divname."() {
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div = document.getElementById('".$this->_divname."');
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if (! div) {
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alert(\"Unable to render chart, DIV ['".$this->_divname."'] doesnt exist.\");
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return;
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}
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$.ajax({
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url: '".$this->_dataurl."',
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dataType: 'json',
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async: true,
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timeout: 10000,
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success: function(jsonData) {
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for(var key in jsonData) {
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if (key == 'data')
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data = jsonData[key];
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else if (key == 'options')
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options = jsonData[key];
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else
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alert('UNKNOWN Key: '+key);
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}
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// Create our data table out of JSON data loaded from server.
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var x = new google.visualization.DataTable(data);
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// Instantiate and draw our chart, passing in some options.
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var chart = new google.visualization.ComboChart(document.getElementById('".$this->_divname."'));
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chart.draw(x, options);
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},
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error: function(x, t, m) {
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if (t==='timeout') {
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alert('got timeout');
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} else {
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alert('t is: '+t+', X: '+x+', M: '+m);
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}
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}
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});
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}
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",
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));
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Script::add(array(
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'type'=>'stdin',
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'data'=>'$(document).ready(function() {google.setOnLoadCallback(drawChart_'.$this->_divname.'); });',
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));
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return sprintf('<div id="%s" style="width: %spx; height: %spx;"></div>',$this->_divname,$this->_width,$this->_height);
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}
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private function series() {
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$result = array();
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$c = $this->seriescolors();
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$j = count($c);
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$i = 0;
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foreach ($this->_axis as $l => $axis) {
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// @todo This shouldnt be hard coded
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if ($axis == 'yl')
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array_push($result,array('type'=>'bar','color'=>$c[$i%$j],'targetAxisIndex'=>0));
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else
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array_push($result,array('type'=>'line','color'=>$c[$i%$j],'targetAxisIndex'=>1));
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$i++;
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}
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return $result;
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}
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}
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?>
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220
modules/gchart/classes/GoogleChart/Legacy.php
Normal file
220
modules/gchart/classes/GoogleChart/Legacy.php
Normal file
@@ -0,0 +1,220 @@
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<?php defined('SYSPATH') or die('No direct access allowed.');
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|
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/**
|
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* This class provides access to Google's Chart Legacy API
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||||
*
|
||||
* @package GoogleChart
|
||||
* @category Helper
|
||||
* @author Deon George
|
||||
* @copyright (c) 2009-2013 Deon George
|
||||
* @license http://dev.leenooks.net/license.html
|
||||
*/
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class GoogleChart_Legacy extends GoogleChart {
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// Chart URL
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private $_url = 'http://chart.apis.google.com/chart';
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// The type of chart we'll plot
|
||||
private $_type = 'bvs';
|
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// Data encoding type to use
|
||||
private $_encodetype = 's';
|
||||
// Chart Types
|
||||
private $cht = array(
|
||||
// Line
|
||||
// 'line' => 'lc',
|
||||
// 'sparkline' => 'ls',
|
||||
// 'line_xy' => 'lxy',
|
||||
// Bar
|
||||
// 'horizontal_bar' => 'bhs',
|
||||
'vertical_bar' => 'bvs',
|
||||
// 'horizontal_bar_grp' => 'bhg',
|
||||
// 'vertical_bar_grp' => 'bvg',
|
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// Pie
|
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// 'pie' => 'p',
|
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// 'pie_3d' => 'p3',
|
||||
// 'pie_concentric' => 'pc',
|
||||
// Venn
|
||||
// 'venn' => 'v',
|
||||
// Scatter
|
||||
// 'scatter' => 's',
|
||||
// Radar
|
||||
// 'radar' => 'r',
|
||||
// 'radar_fill' => 'rs',
|
||||
// Maps
|
||||
// 'map' => 't',
|
||||
// Google-o-meter
|
||||
// 'google_o_meter' => 'gom',
|
||||
// QR
|
||||
// 'qr' => 'qr',
|
||||
);
|
||||
|
||||
/**
|
||||
* Set the type of the chart
|
||||
* @param $type Chart type as per $this->cht
|
||||
*/
|
||||
public function type($type) {
|
||||
if (empty($this->cht[$type]))
|
||||
throw new Kohana_Exception('Unknown chart type :type for :class',array(':type'=>$type,':class'=>get_class($this)));
|
||||
|
||||
$this->_type = $this->cht[$type];
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Count how many metrics are being graphed per side
|
||||
* @param $side Side YL (left) OR YR (right)
|
||||
*/
|
||||
private function axiscount($side) {
|
||||
$i = 0;
|
||||
|
||||
foreach ($this->_axis as $l => $axis)
|
||||
if ($axis == $side)
|
||||
$i++;
|
||||
|
||||
return $i;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate our maximum for each side of the chart
|
||||
*/
|
||||
private function maxes() {
|
||||
$result = array();
|
||||
|
||||
foreach ($this->_axis as $l => $axis) {
|
||||
if (! isset($result[$axis]))
|
||||
$result[$axis] = 0;
|
||||
|
||||
$result[$axis] += $this->_max[$l]*1.1; // @todo This scaleup should be configurable
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/** CHART FIELDS **/
|
||||
|
||||
private function chd() {
|
||||
$result = array();
|
||||
$maxes = $this->maxes();
|
||||
|
||||
// Perform our encoding
|
||||
foreach ($this->_axis as $l => $axis)
|
||||
array_push($result,$this->encode($this->_data[$l],$maxes[$axis]));
|
||||
|
||||
$prefix = (count($maxes) > 1) ? sprintf('%s:',$this->axiscount('yl')) : ':';
|
||||
|
||||
// If encoding is text, we need to separate the series with a |
|
||||
return ($this->_encodetype == 't') ? $prefix.implode('|',$result) : $prefix.implode(',',$result);
|
||||
}
|
||||
|
||||
private function chm() {
|
||||
$result = array();
|
||||
$sc = $this->seriescolors();
|
||||
$i = 0;
|
||||
|
||||
foreach ($this->_axis as $l => $axis) {
|
||||
if ($axis == 'yr')
|
||||
array_push($result,sprintf('%s,%s,%s,%s,%s,%s','D',$sc[$i],$i,0,2,2));// @todo 'D,0,2,2' May need to be configurable
|
||||
|
||||
$i++;
|
||||
}
|
||||
|
||||
return count($result) ? implode('|',$result) : '';
|
||||
}
|
||||
|
||||
private function chxl() {
|
||||
$result = array();
|
||||
|
||||
// @todo This should be performed better - it may be a wrong assumption that all keys in the series have data.
|
||||
foreach ($this->_data as $series => $data)
|
||||
// @todo Why the 0:?
|
||||
return '0:|'.implode('|',array_keys($data));
|
||||
}
|
||||
|
||||
private function chxr() {
|
||||
$result = array();
|
||||
$i = 1;
|
||||
|
||||
foreach ($this->maxes() as $key => $value)
|
||||
array_push($result,sprintf('%s,0,%s,0',$i++,$value));
|
||||
|
||||
return implode('|',$result);
|
||||
}
|
||||
|
||||
public function json() {}
|
||||
|
||||
/**
|
||||
* Return URL that renders the chart
|
||||
*/
|
||||
public function render() {
|
||||
return sprintf('<img src="%s?%s" alt="%s">',$this->_url,http_build_query($this->build()),_('Google Chart'));
|
||||
}
|
||||
|
||||
/**
|
||||
* Build the chart
|
||||
*/
|
||||
private function build() {
|
||||
if ($this->_data ) {
|
||||
return array(
|
||||
'chf'=>'bg,s,FFFFFF00',
|
||||
'cht'=>$this->_type,
|
||||
'chs'=>sprintf('%sx%s',$this->_width,$this->_height),
|
||||
'chtt'=>$this->_title,
|
||||
'chbh'=>'a', // @todo This might need to be calculated, valid options (a,r);
|
||||
'chg'=>'7.7,12.5,1,5', // @todo This should be calculated
|
||||
'chco'=>implode(',',$this->seriescolors()),
|
||||
'chdl'=>implode('|',array_keys($this->_axis)),
|
||||
'chd'=>$this->_encodetype.$this->chd(),
|
||||
'chm'=>$this->chm(),
|
||||
'chxt'=>'x,y,r', // @todo configurable?
|
||||
'chxl'=>$this->chxl(),
|
||||
'chxr'=>$this->chxr(),
|
||||
);
|
||||
|
||||
} else
|
||||
return array();
|
||||
}
|
||||
|
||||
/**
|
||||
* Encode the series data
|
||||
* @param $data String of data to encode
|
||||
* @param $max The maximum to scale to
|
||||
*/
|
||||
private function encode($data,$max=NULL) {
|
||||
$table = array();
|
||||
$table['simple'] = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
|
||||
$table['extend'] = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-.';
|
||||
|
||||
$size = array();
|
||||
$size['simple'] = strlen($table['simple']);
|
||||
$size['extend'] = strlen($table['extend']);
|
||||
|
||||
if (is_null($max) OR $max == 0)
|
||||
$max = max($data) > 0 ? max($data) : 1;
|
||||
|
||||
$encode = '';
|
||||
|
||||
switch ($this->_encodetype) {
|
||||
case 't' :
|
||||
return join(',',$data);
|
||||
|
||||
case 's' :
|
||||
foreach ($data as $v)
|
||||
$encode .= ($v > -1) ? substr($table['simple'],($size['simple']-1)*($v/$max),1) : '_';
|
||||
|
||||
break;
|
||||
|
||||
case 'e' :
|
||||
foreach ($data as $v) {
|
||||
# Convert to a 0-4095 data range
|
||||
$y = 4095*$v/$max;
|
||||
$first = substr($table['extend'],floor($y/$size['extend']),1);
|
||||
$second = substr($table['extend'],$y%$size['extend'],1);
|
||||
$encode .= "$first$second";
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
return $encode;
|
||||
}
|
||||
}
|
||||
?>
|
||||
Reference in New Issue
Block a user