Viewing file:  charts.php (5.12 KB) -rw-r--r--
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Charts extends CI_Controller
{
function __construct()
{
parent::__construct();
$this->load->helper('url');
$data['home'] = strtolower(__CLASS__).'/';
$this->load->vars($data);
}
function index()
{
// simple highcharts example
$this->load->library('highcharts');
// esta es la info que necesitamos pasar al primer ejemplo, de esta forma se pintan los datos
$serie['data'] = array(20, 45, 60, 22, 6, 36);
$data['charts'] = $this->highcharts->set_serie($serie)->render();
$this->load->view('charts', $data);
}
function categories()
{
$graph_data = $this->_data();
$this->load->library('highcharts');
$this->highcharts->set_type('column'); // drauwing type
$this->highcharts->set_title('INTERNET WORLD USERS BY LANGUAGE', 'Top 5 Languages in 2010'); // set chart title: title, subtitle(optional)
$this->highcharts->set_axis_titles('language', 'population'); // axis titles: x axis, y axis
$this->highcharts->set_xAxis($graph_data['axis']); // pushing categories for x axis labels
$this->highcharts->set_serie($graph_data['users']); // the first serie
$this->highcharts->set_serie($graph_data['popul']); // second serie
// we can user credits option to make a link to the source article.
// it's possible to pass an object instead of array (but object will be converted to array by the lib)
@$credits->href = 'http://www.internetworldstats.com/stats7.htm';
@$credits->text = "Article on Internet Wold Stats";
$this->highcharts->set_credits($credits);
$this->highcharts->render_to('my_div'); // choose a specific div to render to graph
$data['charts'] = $this->highcharts->render(); // we render js and div in same time
$this->load->view('charts', $data);
}
function template()
{
$graph_data = $this->_data();
$this->load->library('highcharts');
$this->highcharts
->initialize('chart_template') // load template
->push_xAxis($graph_data['axis']) // we use push to not override template config
->set_serie($graph_data['users'])
->set_serie($graph_data['popul'], 'Another description'); // ovverride serie name
// we want to display the second serie as sline. First parameter is the serie name
$this->highcharts->set_serie_options(array('type' => 'spline'), 'Another description');
$data['charts'] = $this->highcharts->render();
$this->load->view('charts', $data);
}
function active_record()
{
$result = $this->_ar_data();
// set data for conversion
$dat1['x_labels'] = 'contries'; // optionnal, set axis categories from result row
$dat1['series'] = array('users', 'population'); // set values to create series, values are result rows
$dat1['data'] = $result;
// just made some changes to display only one serie with custom name
$dat2 = $dat1;
$dat2['series'] = array('custom name' => 'users');
$this->load->library('highcharts');
// displaying muli graphs
$this->highcharts->from_result($dat1)->add(); // first graph: add() register the graph
$this->highcharts
->initialize('chart_template')
->set_dimensions('', 200) // dimension: width, height
->from_result($dat2)
->add(); // second graph
$data['charts'] = $this->highcharts->render();
$this->load->view('charts', $data);
}
function data_get()
{
$this->load->library('highcharts');
// some data series
$serie['data'] = array(20, 45, 60, 22, 6, 36);
$this->highcharts->set_serie($serie);
$data['array'] = $this->highcharts->get_array();
$data['json'] = $this->highcharts->get(); // false to keep data (dont clear current options)
$this->load->view('charts', $data);
}
// HELPERS FUNCTIONS
/**
* _data function.
* data for examples
*/
function _data()
{
$data['users']['data'] = array(536564837, 444948013, 153309074, 99143700, 82548200);
$data['users']['name'] = 'Users by Language';
$data['popul']['data'] = array(1277528133, 1365524982, 420469703, 126804433, 250372925);
$data['popul']['name'] = 'World Population';
$data['axis']['categories'] = array('English', 'Chinese', 'Spanish', 'Japanese', 'Portuguese');
return $data;
}
/**
* _ar_data function.
* simulate Active Record result
*/
function _ar_data()
{
$data = $this->_data();
foreach ($data['users']['data'] as $key => $val)
{
$output[] = (object)array(
'users' => $val,
'population' => $data['popul']['data'][$key],
'contries' => $data['axis']['categories'][$key]
);
}
return $output;
}
}
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