<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

/**

 * CodeIgniter

 *

 * An open source application development framework for PHP 5.1.6 or newer

 *

 * @package		CodeIgniter

 * @author		ExpressionEngine Dev Team

 * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.

 * @license		http://codeigniter.com/user_guide/license.html

 * @link		http://codeigniter.com

 * @since		Version 1.0

 * @filesource

 */



// ------------------------------------------------------------------------



/**

 * Javascript Class

 *

 * @package		CodeIgniter

 * @subpackage	Libraries

 * @category	Javascript

 * @author		ExpressionEngine Dev Team

 * @link		http://codeigniter.com/user_guide/libraries/javascript.html

 */

class CI_Javascript {



	var $_javascript_location = 'js';



	public function __construct($params = array())

	{

		$defaults = array('js_library_driver' => 'jquery', 'autoload' => TRUE);



		foreach ($defaults as $key => $val)

		{

			if (isset($params[$key]) && $params[$key] !== "")

			{

				$defaults[$key] = $params[$key];

			}

		}



		extract($defaults);



		$this->CI =& get_instance();



		// load the requested js library

		$this->CI->load->library('javascript/'.$js_library_driver, array('autoload' => $autoload));

		// make js to refer to current library

		$this->js =& $this->CI->$js_library_driver;



		log_message('debug', "Javascript Class Initialized and loaded.  Driver used: $js_library_driver");

	}



	// --------------------------------------------------------------------	

	// Event Code

	// --------------------------------------------------------------------



	/**

	 * Blur

	 *

	 * Outputs a javascript library blur event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function blur($element = 'this', $js = '')

	{

		return $this->js->_blur($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Change

	 *

	 * Outputs a javascript library change event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function change($element = 'this', $js = '')

	{

		return $this->js->_change($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Click

	 *

	 * Outputs a javascript library click event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @param	boolean	whether or not to return false

	 * @return	string

	 */

	function click($element = 'this', $js = '', $ret_false = TRUE)

	{

		return $this->js->_click($element, $js, $ret_false);

	}



	// --------------------------------------------------------------------



	/**

	 * Double Click

	 *

	 * Outputs a javascript library dblclick event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function dblclick($element = 'this', $js = '')

	{

		return $this->js->_dblclick($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Error

	 *

	 * Outputs a javascript library error event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function error($element = 'this', $js = '')

	{

		return $this->js->_error($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Focus

	 *

	 * Outputs a javascript library focus event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function focus($element = 'this', $js = '')

	{

		return $this->js->__add_event($focus, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Hover

	 *

	 * Outputs a javascript library hover event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- Javascript code for mouse over

	 * @param	string	- Javascript code for mouse out

	 * @return	string

	 */

	function hover($element = 'this', $over, $out)

	{

		return $this->js->__hover($element, $over, $out);

	}



	// --------------------------------------------------------------------



	/**

	 * Keydown

	 *

	 * Outputs a javascript library keydown event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function keydown($element = 'this', $js = '')

	{

		return $this->js->_keydown($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Keyup

	 *

	 * Outputs a javascript library keydown event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function keyup($element = 'this', $js = '')

	{

		return $this->js->_keyup($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Load

	 *

	 * Outputs a javascript library load event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function load($element = 'this', $js = '')

	{

		return $this->js->_load($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Mousedown

	 *

	 * Outputs a javascript library mousedown event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function mousedown($element = 'this', $js = '')

	{

		return $this->js->_mousedown($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Mouse Out

	 *

	 * Outputs a javascript library mouseout event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function mouseout($element = 'this', $js = '')

	{

		return $this->js->_mouseout($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Mouse Over

	 *

	 * Outputs a javascript library mouseover event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function mouseover($element = 'this', $js = '')

	{

		return $this->js->_mouseover($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Mouseup

	 *

	 * Outputs a javascript library mouseup event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function mouseup($element = 'this', $js = '')

	{

		return $this->js->_mouseup($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Output

	 *

	 * Outputs the called javascript to the screen

	 *

	 * @access	public

	 * @param	string	The code to output

	 * @return	string

	 */

	function output($js)

	{

		return $this->js->_output($js);

	}



	// --------------------------------------------------------------------



	/**

	 * Ready

	 *

	 * Outputs a javascript library mouseup event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function ready($js)

	{

		return $this->js->_document_ready($js);

	}



	// --------------------------------------------------------------------



	/**

	 * Resize

	 *

	 * Outputs a javascript library resize event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function resize($element = 'this', $js = '')

	{

		return $this->js->_resize($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Scroll

	 *

	 * Outputs a javascript library scroll event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function scroll($element = 'this', $js = '')

	{

		return $this->js->_scroll($element, $js);

	}



	// --------------------------------------------------------------------



	/**

	 * Unload

	 *

	 * Outputs a javascript library unload event

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	string	The code to execute

	 * @return	string

	 */

	function unload($element = 'this', $js = '')

	{

		return $this->js->_unload($element, $js);

	}



	// --------------------------------------------------------------------	

	// Effects

	// --------------------------------------------------------------------





	/**

	 * Add Class

	 *

	 * Outputs a javascript library addClass event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- Class to add

	 * @return	string

	 */

	function addClass($element = 'this', $class = '')

	{

		return $this->js->_addClass($element, $class);

	}



	// --------------------------------------------------------------------



	/**

	 * Animate

	 *

	 * Outputs a javascript library animate event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds

	 * @param	string	- Javascript callback function

	 * @return	string

	 */

	function animate($element = 'this', $params = array(), $speed = '', $extra = '')

	{

		return $this->js->_animate($element, $params, $speed, $extra);

	}



	// --------------------------------------------------------------------



	/**

	 * Fade In

	 *

	 * Outputs a javascript library hide event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds

	 * @param	string	- Javascript callback function

	 * @return	string

	 */

	function fadeIn($element = 'this', $speed = '', $callback = '')

	{

		return $this->js->_fadeIn($element, $speed, $callback);

	}



	// --------------------------------------------------------------------



	/**

	 * Fade Out

	 *

	 * Outputs a javascript library hide event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds

	 * @param	string	- Javascript callback function

	 * @return	string

	 */

	function fadeOut($element = 'this', $speed = '', $callback = '')

	{

		return $this->js->_fadeOut($element, $speed, $callback);

	}

	// --------------------------------------------------------------------



	/**

	 * Slide Up

	 *

	 * Outputs a javascript library slideUp event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds

	 * @param	string	- Javascript callback function

	 * @return	string

	 */

	function slideUp($element = 'this', $speed = '', $callback = '')

	{

		return $this->js->_slideUp($element, $speed, $callback);



	}



	// --------------------------------------------------------------------



	/**

	 * Remove Class

	 *

	 * Outputs a javascript library removeClass event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- Class to add

	 * @return	string

	 */

	function removeClass($element = 'this', $class = '')

	{

		return $this->js->_removeClass($element, $class);

	}



	// --------------------------------------------------------------------



	/**

	 * Slide Down

	 *

	 * Outputs a javascript library slideDown event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds

	 * @param	string	- Javascript callback function

	 * @return	string

	 */

	function slideDown($element = 'this', $speed = '', $callback = '')

	{

		return $this->js->_slideDown($element, $speed, $callback);

	}



	// --------------------------------------------------------------------



	/**

	 * Slide Toggle

	 *

	 * Outputs a javascript library slideToggle event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds

	 * @param	string	- Javascript callback function

	 * @return	string

	 */

	function slideToggle($element = 'this', $speed = '', $callback = '')

	{

		return $this->js->_slideToggle($element, $speed, $callback);



	}



	// --------------------------------------------------------------------



	/**

	 * Hide

	 *

	 * Outputs a javascript library hide action

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds

	 * @param	string	- Javascript callback function

	 * @return	string

	 */

	function hide($element = 'this', $speed = '', $callback = '')

	{

		return $this->js->_hide($element, $speed, $callback);

	}



	// --------------------------------------------------------------------



	/**

	 * Toggle

	 *

	 * Outputs a javascript library toggle event

	 *

	 * @access	public

	 * @param	string	- element

	 * @return	string

	 */

	function toggle($element = 'this')

	{

		return $this->js->_toggle($element);



	}



	// --------------------------------------------------------------------



	/**

	 * Toggle Class

	 *

	 * Outputs a javascript library toggle class event

	 *

	 * @access	public

	 * @param	string	- element

	 * @return	string

	 */

	function toggleClass($element = 'this', $class='')

	{

		return $this->js->_toggleClass($element, $class);

	}



	// --------------------------------------------------------------------



	/**

	 * Show

	 *

	 * Outputs a javascript library show event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds

	 * @param	string	- Javascript callback function

	 * @return	string

	 */

	function show($element = 'this', $speed = '', $callback = '')

	{

		return $this->js->_show($element, $speed, $callback);

	}





	// --------------------------------------------------------------------



	/**

	 * Compile

	 *

	 * gather together all script needing to be output

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @return	string

	 */

	function compile($view_var = 'script_foot', $script_tags = TRUE)

	{

		$this->js->_compile($view_var, $script_tags);

	}



	/**

	 * Clear Compile

	 *

	 * Clears any previous javascript collected for output

	 *

	 * @access	public

	 * @return	void

	 */

	function clear_compile()

	{

		$this->js->_clear_compile();

	}



	// --------------------------------------------------------------------



	/**

	 * External

	 *

	 * Outputs a <script> tag with the source as an external js file

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @return	string

	 */

	function external($external_file = '', $relative = FALSE)

	{

		if ($external_file !== '')

		{

			$this->_javascript_location = $external_file;

		}

		else

		{

			if ($this->CI->config->item('javascript_location') != '')

			{

				$this->_javascript_location = $this->CI->config->item('javascript_location');

			}

		}



		if ($relative === TRUE OR strncmp($external_file, 'http://', 7) == 0 OR strncmp($external_file, 'https://', 8) == 0)

		{

			$str = $this->_open_script($external_file);

		}

		elseif (strpos($this->_javascript_location, 'http://') !== FALSE)

		{

			$str = $this->_open_script($this->_javascript_location.$external_file);

		}

		else

		{

			$str = $this->_open_script($this->CI->config->slash_item('base_url').$this->_javascript_location.$external_file);

		}



		$str .= $this->_close_script();

		return $str;

	}



	// --------------------------------------------------------------------



	/**

	 * Inline

	 *

	 * Outputs a <script> tag

	 *

	 * @access	public

	 * @param	string	The element to attach the event to

	 * @param	boolean	If a CDATA section should be added

	 * @return	string

	 */

	function inline($script, $cdata = TRUE)

	{

		$str = $this->_open_script();

		$str .= ($cdata) ? "\n// <![CDATA[\n{$script}\n// ]]>\n" : "\n{$script}\n";

		$str .= $this->_close_script();



		return $str;

	}

	

	// --------------------------------------------------------------------



	/**

	 * Open Script

	 *

	 * Outputs an opening <script>

	 *

	 * @access	private

	 * @param	string

	 * @return	string

	 */

	function _open_script($src = '')

	{

		$str = '<script type="text/javascript" charset="'.strtolower($this->CI->config->item('charset')).'"';

		$str .= ($src == '') ? '>' : ' src="'.$src.'">';

		return $str;

	}



	// --------------------------------------------------------------------



	/**

	 * Close Script

	 *

	 * Outputs an closing </script>

	 *

	 * @access	private

	 * @param	string

	 * @return	string

	 */

	function _close_script($extra = "\n")

	{

		return "</script>$extra";

	}





	// --------------------------------------------------------------------

	// --------------------------------------------------------------------

	// AJAX-Y STUFF - still a testbed

	// --------------------------------------------------------------------

	// --------------------------------------------------------------------



	/**

	 * Update

	 *

	 * Outputs a javascript library slideDown event

	 *

	 * @access	public

	 * @param	string	- element

	 * @param	string	- One of 'slow', 'normal', 'fast', or time in milliseconds

	 * @param	string	- Javascript callback function

	 * @return	string

	 */

	function update($element = 'this', $speed = '', $callback = '')

	{

		return $this->js->_updater($element, $speed, $callback);

	}



	// --------------------------------------------------------------------



	/**

	 * Generate JSON

	 *

	 * Can be passed a database result or associative array and returns a JSON formatted string

	 *

	 * @param	mixed	result set or array

	 * @param	bool	match array types (defaults to objects)

	 * @return	string	a json formatted string

	 */

	function generate_json($result = NULL, $match_array_type = FALSE)

	{

		// JSON data can optionally be passed to this function

		// either as a database result object or an array, or a user supplied array

		if ( ! is_null($result))

		{

			if (is_object($result))

			{

				$json_result = $result->result_array();

			}

			elseif (is_array($result))

			{

				$json_result = $result;

			}

			else

			{

				return $this->_prep_args($result);

			}

		}

		else

		{

			return 'null';

		}



		$json = array();

		$_is_assoc = TRUE;



		if ( ! is_array($json_result) AND empty($json_result))

		{

			show_error("Generate JSON Failed - Illegal key, value pair.");

		}

		elseif ($match_array_type)

		{

			$_is_assoc = $this->_is_associative_array($json_result);

		}



		foreach ($json_result as $k => $v)

		{

			if ($_is_assoc)

			{

				$json[] = $this->_prep_args($k, TRUE).':'.$this->generate_json($v, $match_array_type);

			}

			else

			{

				$json[] = $this->generate_json($v, $match_array_type);

			}

		}



		$json = implode(',', $json);



		return $_is_assoc ? "{".$json."}" : "[".$json."]";



	}



	// --------------------------------------------------------------------



	/**

	 * Is associative array

	 *

	 * Checks for an associative array

	 *

	 * @access	public

	 * @param	type

	 * @return	type

	 */

	function _is_associative_array($arr)

	{

		foreach (array_keys($arr) as $key => $val)

		{

			if ($key !== $val)

			{

				return TRUE;

			}

		}



		return FALSE;

	}



	// --------------------------------------------------------------------



	/**

	 * Prep Args

	 *

	 * Ensures a standard json value and escapes values

	 *

	 * @access	public

	 * @param	type

	 * @return	type

	 */

	function _prep_args($result, $is_key = FALSE)

	{

		if (is_null($result))

		{

			return 'null';

		}

		elseif (is_bool($result))

		{

			return ($result === TRUE) ? 'true' : 'false';

		}

		elseif (is_string($result) OR $is_key)

		{

			return '"'.str_replace(array('\\', "\t", "\n", "\r", '"', '/'), array('\\\\', '\\t', '\\n', "\\r", '\"', '\/'), $result).'"';			

		}

		elseif (is_scalar($result))

		{

			return $result;

		}

	}



	// --------------------------------------------------------------------

}

// END Javascript Class



/* End of file Javascript.php */

/* Location: ./system/libraries/Javascript.php */