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Commit | Line | Data |
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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 $commands = array(); |
19c73507 AD |
8 | |
9 | const HOOK_ARTICLE_BUTTON = 1; | |
10 | const HOOK_ARTICLE_FILTER = 2; | |
6065f3ad AD |
11 | const HOOK_PREFS_TAB = 3; |
12 | const HOOK_PREFS_SECTION = 4; | |
6cbe53c9 | 13 | const HOOK_PREFS_TABS = 5; |
4412b877 | 14 | const HOOK_FEED_PARSED = 6; |
41b82aa4 | 15 | const HOOK_UPDATE_TASK = 7; |
19c73507 AD |
16 | |
17 | function __construct($link) { | |
18 | $this->link = $link; | |
19 | } | |
20 | ||
21 | private function register_plugin($name, $plugin) { | |
22 | //array_push($this->plugins, $plugin); | |
23 | $this->plugins[$name] = $plugin; | |
24 | } | |
25 | ||
26 | function get_link() { | |
27 | return $this->link; | |
28 | } | |
29 | ||
30 | function get_plugins() { | |
31 | return $this->plugins; | |
32 | } | |
33 | ||
34 | function get_plugin($name) { | |
35 | return $this->plugins[$name]; | |
36 | } | |
37 | ||
6065f3ad AD |
38 | function run_hooks($type, $method, $args) { |
39 | foreach ($this->get_hooks($type) as $hook) { | |
40 | $hook->$method($args); | |
41 | } | |
42 | } | |
43 | ||
19c73507 AD |
44 | function add_hook($type, $sender) { |
45 | if (!is_array($this->hooks[$type])) { | |
46 | $this->hooks[$type] = array(); | |
47 | } | |
48 | ||
49 | array_push($this->hooks[$type], $sender); | |
50 | } | |
51 | ||
52 | function del_hook($type, $sender) { | |
53 | if (is_array($this->hooks[$type])) { | |
54 | $key = array_Search($this->hooks[$type], $sender); | |
55 | if ($key !== FALSE) { | |
56 | unset($this->hooks[$type][$key]); | |
57 | } | |
58 | } | |
59 | } | |
60 | ||
61 | function get_hooks($type) { | |
19b3992b AD |
62 | if (isset($this->hooks[$type])) { |
63 | return $this->hooks[$type]; | |
64 | } else { | |
65 | return array(); | |
66 | } | |
19c73507 | 67 | } |
7a866114 AD |
68 | function load_all() { |
69 | $plugins = array_map("basename", glob("plugins/*")); | |
70 | $this->load(join(",", $plugins)); | |
71 | } | |
19c73507 AD |
72 | |
73 | function load($classlist) { | |
74 | $plugins = explode(",", $classlist); | |
75 | ||
76 | foreach ($plugins as $class) { | |
77 | $class = trim($class); | |
8dcb2b47 | 78 | $class_file = strtolower(basename($class)); |
19c73507 AD |
79 | $file = dirname(__FILE__)."/../plugins/$class_file/$class_file.php"; |
80 | ||
de612e7a AD |
81 | if (!isset($this->plugins[$class])) { |
82 | if (file_exists($file)) require_once $file; | |
19c73507 | 83 | |
de612e7a AD |
84 | if (class_exists($class) && is_subclass_of($class, "Plugin")) { |
85 | $plugin = new $class($this); | |
19c73507 | 86 | |
de612e7a AD |
87 | $this->register_plugin($class, $plugin); |
88 | } | |
19c73507 AD |
89 | } |
90 | } | |
91 | } | |
92 | ||
de612e7a AD |
93 | function is_system($plugin) { |
94 | $about = $plugin->_about(); | |
95 | ||
96 | return @$about[3]; | |
97 | } | |
98 | ||
99 | // only system plugins are allowed to modify routing | |
8dcb2b47 | 100 | function add_handler($handler, $method, $sender) { |
6cbe53c9 | 101 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
102 | $method = strtolower($method); |
103 | ||
de612e7a AD |
104 | if ($this->is_system($sender)) { |
105 | if (!is_array($this->handlers[$handler])) { | |
106 | $this->handlers[$handler] = array(); | |
107 | } | |
8dcb2b47 | 108 | |
de612e7a AD |
109 | $this->handlers[$handler][$method] = $sender; |
110 | } | |
8dcb2b47 AD |
111 | } |
112 | ||
113 | function del_handler($handler, $method) { | |
6cbe53c9 | 114 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
115 | $method = strtolower($method); |
116 | ||
de612e7a AD |
117 | if ($this->is_system($sender)) { |
118 | unset($this->handlers[$handler][$method]); | |
119 | } | |
8dcb2b47 AD |
120 | } |
121 | ||
122 | function lookup_handler($handler, $method) { | |
6cbe53c9 | 123 | $handler = str_replace("-", "_", strtolower($handler)); |
8dcb2b47 AD |
124 | $method = strtolower($method); |
125 | ||
126 | if (is_array($this->handlers[$handler])) { | |
6cbe53c9 AD |
127 | if (isset($this->handlers[$handler]["*"])) { |
128 | return $this->handlers[$handler]["*"]; | |
129 | } else { | |
130 | return $this->handlers[$handler][$method]; | |
131 | } | |
8dcb2b47 AD |
132 | } |
133 | ||
134 | return false; | |
135 | } | |
73f28fe9 | 136 | |
de612e7a | 137 | // only system plugins are allowed to modify commands |
73f28fe9 AD |
138 | function add_command($command, $description, $sender) { |
139 | $command = "-" . str_replace("-", "_", strtolower($command)); | |
140 | ||
de612e7a AD |
141 | if ($this->is_system($sender)) { |
142 | $this->commands[$command] = array("description" => $description, | |
143 | "class" => $sender); | |
144 | } | |
73f28fe9 AD |
145 | } |
146 | ||
147 | function del_command($command) { | |
148 | $command = "-" . strtolower($command); | |
149 | ||
de612e7a AD |
150 | if ($this->is_system($sender)) { |
151 | unset($this->commands[$command]); | |
152 | } | |
73f28fe9 AD |
153 | } |
154 | ||
155 | function lookup_command($command) { | |
156 | $command = "-" . strtolower($command); | |
157 | ||
158 | if (is_array($this->commands[$command])) { | |
159 | return $this->commands[$command]["class"]; | |
160 | } else { | |
161 | return false; | |
162 | } | |
163 | ||
164 | return false; | |
165 | } | |
166 | ||
167 | function get_commands() { | |
168 | return $this->commands; | |
169 | } | |
170 | ||
171 | function run_commands($args) { | |
172 | foreach ($this->get_commands() as $command => $data) { | |
173 | if (in_array($command, $args)) { | |
174 | $command = str_replace("-", "", $command); | |
175 | $data["class"]->$command($args); | |
176 | } | |
177 | } | |
178 | } | |
179 | ||
19c73507 AD |
180 | } |
181 | ?> |