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19c73507 AD |
1 | <?php |
2 | class PluginHost { | |
3 | private $link; | |
4 | private $hooks = array(); | |
5 | private $plugins = array(); | |
8dcb2b47 | 6 | private $handlers = array(); |
73f28fe9 | 7 | private $commands = array(); |
19c73507 AD |
8 | |
9 | const HOOK_ARTICLE_BUTTON = 1; | |
10 | const HOOK_ARTICLE_FILTER = 2; | |
6065f3ad AD |
11 | const HOOK_PREFS_TAB = 3; |
12 | const HOOK_PREFS_SECTION = 4; | |
6cbe53c9 | 13 | const HOOK_PREFS_TABS = 5; |
19c73507 AD |
14 | |
15 | function __construct($link) { | |
16 | $this->link = $link; | |
17 | } | |
18 | ||
19 | private function register_plugin($name, $plugin) { | |
20 | //array_push($this->plugins, $plugin); | |
21 | $this->plugins[$name] = $plugin; | |
22 | } | |
23 | ||
24 | function get_link() { | |
25 | return $this->link; | |
26 | } | |
27 | ||
28 | function get_plugins() { | |
29 | return $this->plugins; | |
30 | } | |
31 | ||
32 | function get_plugin($name) { | |
33 | return $this->plugins[$name]; | |
34 | } | |
35 | ||
6065f3ad AD |
36 | function run_hooks($type, $method, $args) { |
37 | foreach ($this->get_hooks($type) as $hook) { | |
38 | $hook->$method($args); | |
39 | } | |
40 | } | |
41 | ||
19c73507 AD |
42 | function add_hook($type, $sender) { |
43 | if (!is_array($this->hooks[$type])) { | |
44 | $this->hooks[$type] = array(); | |
45 | } | |
46 | ||
47 | array_push($this->hooks[$type], $sender); | |
48 | } | |
49 | ||
50 | function del_hook($type, $sender) { | |
51 | if (is_array($this->hooks[$type])) { | |
52 | $key = array_Search($this->hooks[$type], $sender); | |
53 | if ($key !== FALSE) { | |
54 | unset($this->hooks[$type][$key]); | |
55 | } | |
56 | } | |
57 | } | |
58 | ||
59 | function get_hooks($type) { | |
60 | return $this->hooks[$type]; | |
61 | } | |
62 | ||
63 | function load($classlist) { | |
64 | $plugins = explode(",", $classlist); | |
65 | ||
66 | foreach ($plugins as $class) { | |
67 | $class = trim($class); | |
8dcb2b47 | 68 | $class_file = strtolower(basename($class)); |
19c73507 AD |
69 | $file = dirname(__FILE__)."/../plugins/$class_file/$class_file.php"; |
70 | ||
71 | if (file_exists($file)) require_once $file; | |
72 | ||
5a0e0392 | 73 | if (class_exists($class) && is_subclass_of($class, "Plugin")) { |
19c73507 AD |
74 | $plugin = new $class($this); |
75 | ||
76 | $this->register_plugin($class, $plugin); | |
77 | } | |
78 | } | |
79 | } | |
80 | ||
8dcb2b47 | 81 | function add_handler($handler, $method, $sender) { |
6cbe53c9 | 82 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
83 | $method = strtolower($method); |
84 | ||
85 | if (!is_array($this->handlers[$handler])) { | |
86 | $this->handlers[$handler] = array(); | |
87 | } | |
88 | ||
89 | $this->handlers[$handler][$method] = $sender; | |
90 | } | |
91 | ||
92 | function del_handler($handler, $method) { | |
6cbe53c9 | 93 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
94 | $method = strtolower($method); |
95 | ||
96 | unset($this->handlers[$handler][$method]); | |
97 | } | |
98 | ||
99 | function lookup_handler($handler, $method) { | |
6cbe53c9 | 100 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
101 | $method = strtolower($method); |
102 | ||
103 | if (is_array($this->handlers[$handler])) { | |
6cbe53c9 AD |
104 | if (isset($this->handlers[$handler]["*"])) { |
105 | return $this->handlers[$handler]["*"]; | |
106 | } else { | |
107 | return $this->handlers[$handler][$method]; | |
108 | } | |
8dcb2b47 AD |
109 | } |
110 | ||
111 | return false; | |
112 | } | |
73f28fe9 AD |
113 | |
114 | function add_command($command, $description, $sender) { | |
115 | $command = "-" . str_replace("-", "_", strtolower($command)); | |
116 | ||
117 | $this->commands[$command] = array("description" => $description, | |
118 | "class" => $sender); | |
119 | } | |
120 | ||
121 | function del_command($command) { | |
122 | $command = "-" . strtolower($command); | |
123 | ||
124 | unset($this->commands[$command]); | |
125 | } | |
126 | ||
127 | function lookup_command($command) { | |
128 | $command = "-" . strtolower($command); | |
129 | ||
130 | if (is_array($this->commands[$command])) { | |
131 | return $this->commands[$command]["class"]; | |
132 | } else { | |
133 | return false; | |
134 | } | |
135 | ||
136 | return false; | |
137 | } | |
138 | ||
139 | function get_commands() { | |
140 | return $this->commands; | |
141 | } | |
142 | ||
143 | function run_commands($args) { | |
144 | foreach ($this->get_commands() as $command => $data) { | |
145 | if (in_array($command, $args)) { | |
146 | $command = str_replace("-", "", $command); | |
147 | $data["class"]->$command($args); | |
148 | } | |
149 | } | |
150 | } | |
151 | ||
19c73507 AD |
152 | } |
153 | ?> |