root/trunk/modules/flot/libraries/Flot.php

<?php
/**
 * Flot (jQuery plotting plugin) Kohana integration.
 *
 * $Id$
 *
 * @package    Flot
 * @author     Woody Gilk
 * @copyright  (c) 2007-2008 Kohana Team
 * @license    http://kohanaphp.com/license.html
 */
class Flot_Core {

    // Container type and attributes
    protected $type = 'div';
    protected $attr = array();

    // Dataset and options
    protected $dataset;
    protected $options;

    public function __construct($id, $attr = array(), $type = NULL)
    {
        // Set the id to the attributes
        $attr['id'] = $id;

        // Set the attributes of the container
        $this->attr += $attr;

        // Set the type, if not NULL
        empty($type) or $this->type = $type;

        // Create the data set array
        $this->dataset = array();

        // Create the options object
        $this->options = new StdClass;
    }

    public function __get($key)
    {
        if ( ! isset($this->options->$key))
        {
            // Create the object if it does not exist
            $this->options->$key = new StdClass;
        }

        // Return the option
        return $this->options->$key;
    }

    public function __set($key, $value)
    {
        // Set the option value
        $this->options->$key = $value;
    }

    /**
     * Return the rendered graph as an HTML string.
     *
     * @return string
     */
    public function __toString()
    {
        return $this->render();
    }

    /**
     * Add data to the data set.
     *
     * @chainable
     * @param   object   a constructed Flot_Dataset
     * @return  object
     */
    public function add(Flot_Dataset $set, $label = NULL)
    {
        // Add the label, if requested
        empty($label) or $set->label = $label;

        // Add the set to the current data set
        $this->dataset[] = $set;

        return $this;
    }

    /**
     * Set options.
     *
     * @chainable
     * @param   string  option name
     * @param   mixed   options value
     * @return  object
     */
    public function set($key, $value)
    {
        // Set the requested value
        $this->__set($key, $value);

        return $this;
    }

    /**
     * Return the rendered graph as an HTML string.
     *
     * @return string
     */
    public function render($template = 'kohana_flot')
    {
        // Load the template
        return View::factory($template)
            // Set container properties
            ->set('type', $this->type)
            ->set('attr', $this->attr)
            // JSON encode the dataset and options
            ->set('dataset', array_map('json_encode', $this->dataset))
            ->set('options', json_encode($this->options))
            // And return the rendered view
            ->render();
    }

} // End Flot