experimental new plugin system

classes/pluginhost.php

@@ -0,0 +1,71 @@
+<?php
+class PluginHost {
+	private $link;
+	private $hooks = array();
+	private $plugins = array();
+
+	const HOOK_ARTICLE_BUTTON = 1;
+	const HOOK_ARTICLE_FILTER = 2;
+
+	function __construct($link) {
+		$this->link = $link;
+	}
+
+	private function register_plugin($name, $plugin) {
+		//array_push($this->plugins, $plugin);
+		$this->plugins[$name] = $plugin;
+	}
+
+	function get_link() {
+		return $this->link;
+	}
+
+	function get_plugins() {
+		return $this->plugins;
+	}
+
+	function get_plugin($name) {
+		return $this->plugins[$name];
+	}
+
+	function add_hook($type, $sender) {
+		if (!is_array($this->hooks[$type])) {
+			$this->hooks[$type] = array();
+		}
+
+		array_push($this->hooks[$type], $sender);
+	}
+
+	function del_hook($type, $sender) {
+		if (is_array($this->hooks[$type])) {
+			$key = array_Search($this->hooks[$type], $sender);
+			if ($key !== FALSE) {
+				unset($this->hooks[$type][$key]);
+			}
+		}
+	}
+
+	function get_hooks($type) {
+		return $this->hooks[$type];
+	}
+
+	function load($classlist) {
+		$plugins = explode(",", $classlist);
+
+		foreach ($plugins as $class) {
+			$class = trim($class);
+			$class_file = str_replace("_", "/", strtolower(basename($class)));
+			$file = dirname(__FILE__)."/../plugins/$class_file/$class_file.php";
+
+			if (file_exists($file)) require_once $file;
+
+			if (class_exists($class)) {
+				$plugin = new $class($this);
+
+				$this->register_plugin($class, $plugin);
+			}
+		}
+	}
+
+}
+?>