58 lines
1.5 KiB
PHP
58 lines
1.5 KiB
PHP
<?php
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/*
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* A generic extension class, for subclassing
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*/
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interface Extension {
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public function receive_event(Event $event);
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}
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/*
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* send_event(BlahEvent()) -> onBlah($event)
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*
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* Also loads the theme object into $this->theme if available
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*
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* index.php will load all SimpleExtension subclasses with default
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* priority, so no need for register_extension(new Foo())
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*
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* Hopefully this removes as much copy & paste code from the extension
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* files as possible \o/
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*
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* The original concept came from Artanis's SimpleExtension extension
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* --> http://github.com/Artanis/simple-extension/tree/master
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* Then re-implemented by Shish after he broke the forum and couldn't
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* find the thread where the original was posted >_<
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*/
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abstract class SimpleExtension implements Extension {
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var $theme;
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var $_child;
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public function i_am($child) {
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$this->_child = $child;
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if(is_null($this->theme)) $this->theme = get_theme_object($child, false);
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}
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public function receive_event(Event $event) {
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$name = get_class($event);
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$name = "on".str_replace("Event", "", $name);
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if(method_exists($this->_child, $name)) {
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$this->_child->$name($event);
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}
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}
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}
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/*
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* Several extensions have this in common, make a common API
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*/
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abstract class FormatterExtension implements Extension {
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public function receive_event(Event $event) {
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if($event instanceof TextFormattingEvent) {
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$event->formatted = $this->format($event->formatted);
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$event->stripped = $this->strip($event->stripped);
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}
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}
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abstract public function format($text);
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abstract public function strip($text);
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}
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?>
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