From 12fe58d997d2066dc362fd393a18b4e5da190513 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Wed, 27 May 2009 15:11:53 -0700
Subject: Rename 'kohana' to 'system' to conform to the Kohana filesystem
 layout.  I'm comfortable with us not clearly drawing the distinction about
 the fact that it's Kohana.

---
 kohana/core/Event.php | 232 --------------------------------------------------
 1 file changed, 232 deletions(-)
 delete mode 100644 kohana/core/Event.php

(limited to 'kohana/core/Event.php')

diff --git a/kohana/core/Event.php b/kohana/core/Event.php
deleted file mode 100644
index 22a9f69d..00000000
--- a/kohana/core/Event.php
+++ /dev/null
@@ -1,232 +0,0 @@
-<?php defined('SYSPATH') OR die('No direct access allowed.');
-/**
- * Process queuing/execution class. Allows an unlimited number of callbacks
- * to be added to 'events'. Events can be run multiple times, and can also
- * process event-specific data. By default, Kohana has several system events.
- *
- * $Id: Event.php 3993 2009-02-17 18:42:50Z jheathco $
- *
- * @package    Core
- * @author     Kohana Team
- * @copyright  (c) 2007 Kohana Team
- * @license    http://kohanaphp.com/license.html
- * @link       http://docs.kohanaphp.com/general/events
- */
-final class Event {
-
-	// Event callbacks
-	private static $events = array();
-
-	// Cache of events that have been run
-	private static $has_run = array();
-
-	// Data that can be processed during events
-	public static $data;
-
-	/**
-	 * Add a callback to an event queue.
-	 *
-	 * @param   string   event name
-	 * @param   array    http://php.net/callback
-	 * @return  boolean
-	 */
-	public static function add($name, $callback)
-	{
-		if ( ! isset(self::$events[$name]))
-		{
-			// Create an empty event if it is not yet defined
-			self::$events[$name] = array();
-		}
-		elseif (in_array($callback, self::$events[$name], TRUE))
-		{
-			// The event already exists
-			return FALSE;
-		}
-
-		// Add the event
-		self::$events[$name][] = $callback;
-
-		return TRUE;
-	}
-
-	/**
-	 * Add a callback to an event queue, before a given event.
-	 *
-	 * @param   string   event name
-	 * @param   array    existing event callback
-	 * @param   array    event callback
-	 * @return  boolean
-	 */
-	public static function add_before($name, $existing, $callback)
-	{
-		if (empty(self::$events[$name]) OR ($key = array_search($existing, self::$events[$name])) === FALSE)
-		{
-			// Just add the event if there are no events
-			return self::add($name, $callback);
-		}
-		else
-		{
-			// Insert the event immediately before the existing event
-			return self::insert_event($name, $key, $callback);
-		}
-	}
-
-	/**
-	 * Add a callback to an event queue, after a given event.
-	 *
-	 * @param   string   event name
-	 * @param   array    existing event callback
-	 * @param   array    event callback
-	 * @return  boolean
-	 */
-	public static function add_after($name, $existing, $callback)
-	{
-		if (empty(self::$events[$name]) OR ($key = array_search($existing, self::$events[$name])) === FALSE)
-		{
-			// Just add the event if there are no events
-			return self::add($name, $callback);
-		}
-		else
-		{
-			// Insert the event immediately after the existing event
-			return self::insert_event($name, $key + 1, $callback);
-		}
-	}
-
-	/**
-	 * Inserts a new event at a specfic key location.
-	 *
-	 * @param   string   event name
-	 * @param   integer  key to insert new event at
-	 * @param   array    event callback
-	 * @return  void
-	 */
-	private static function insert_event($name, $key, $callback)
-	{
-		if (in_array($callback, self::$events[$name], TRUE))
-			return FALSE;
-
-		// Add the new event at the given key location
-		self::$events[$name] = array_merge
-		(
-			// Events before the key
-			array_slice(self::$events[$name], 0, $key),
-			// New event callback
-			array($callback),
-			// Events after the key
-			array_slice(self::$events[$name], $key)
-		);
-
-		return TRUE;
-	}
-
-	/**
-	 * Replaces an event with another event.
-	 *
-	 * @param   string   event name
-	 * @param   array    event to replace
-	 * @param   array    new callback
-	 * @return  boolean
-	 */
-	public static function replace($name, $existing, $callback)
-	{
-		if (empty(self::$events[$name]) OR ($key = array_search($existing, self::$events[$name], TRUE)) === FALSE)
-			return FALSE;
-
-		if ( ! in_array($callback, self::$events[$name], TRUE))
-		{
-			// Replace the exisiting event with the new event
-			self::$events[$name][$key] = $callback;
-		}
-		else
-		{
-			// Remove the existing event from the queue
-			unset(self::$events[$name][$key]);
-
-			// Reset the array so the keys are ordered properly
-			self::$events[$name] = array_values(self::$events[$name]);
-		}
-
-		return TRUE;
-	}
-
-	/**
-	 * Get all callbacks for an event.
-	 *
-	 * @param   string  event name
-	 * @return  array
-	 */
-	public static function get($name)
-	{
-		return empty(self::$events[$name]) ? array() : self::$events[$name];
-	}
-
-	/**
-	 * Clear some or all callbacks from an event.
-	 *
-	 * @param   string  event name
-	 * @param   array   specific callback to remove, FALSE for all callbacks
-	 * @return  void
-	 */
-	public static function clear($name, $callback = FALSE)
-	{
-		if ($callback === FALSE)
-		{
-			self::$events[$name] = array();
-		}
-		elseif (isset(self::$events[$name]))
-		{
-			// Loop through each of the event callbacks and compare it to the
-			// callback requested for removal. The callback is removed if it
-			// matches.
-			foreach (self::$events[$name] as $i => $event_callback)
-			{
-				if ($callback === $event_callback)
-				{
-					unset(self::$events[$name][$i]);
-				}
-			}
-		}
-	}
-
-	/**
-	 * Execute all of the callbacks attached to an event.
-	 *
-	 * @param   string   event name
-	 * @param   array    data can be processed as Event::$data by the callbacks
-	 * @return  void
-	 */
-	public static function run($name, & $data = NULL)
-	{
-		if ( ! empty(self::$events[$name]))
-		{
-			// So callbacks can access Event::$data
-			self::$data =& $data;
-			$callbacks  =  self::get($name);
-
-			foreach ($callbacks as $callback)
-			{
-				call_user_func($callback);
-			}
-
-			// Do this to prevent data from getting 'stuck'
-			$clear_data = '';
-			self::$data =& $clear_data;
-		}
-
-		// The event has been run!
-		self::$has_run[$name] = $name;
-	}
-
-	/**
-	 * Check if a given event has been run.
-	 *
-	 * @param   string   event name
-	 * @return  boolean
-	 */
-	public static function has_run($name)
-	{
-		return isset(self::$has_run[$name]);
-	}
-
-} // End Event
\ No newline at end of file
-- 
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