102 lines
3.5 KiB
PHP
102 lines
3.5 KiB
PHP
<?php
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/**
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* Common interface for Pico plugins
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*
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* For a list of supported events see {@link DummyPlugin}; you can use
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* {@link DummyPlugin} as template for new plugins. For a list of deprecated
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* events see {@link PicoDeprecated}.
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*
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* You SHOULD NOT use deprecated events when implementing this interface.
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* Deprecated events are triggered by the {@link PicoDeprecated} plugin, if
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* plugins which don't implement this interface are loaded. You can take
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* advantage from this behaviour if you want to do something only when old
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* plugins are loaded. Consequently the old events are never triggered when
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* your plugin is implementing this interface and no old plugins are present.
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*
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* If you're developing a new plugin, you MUST implement this interface. If
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* you're the developer of an old plugin, it is STRONGLY RECOMMENDED to use
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* the events introduced in Pico 1.0 when releasing a new version of your
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* plugin. If you want to use any of the new events, you MUST implement
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* this interface and update all other events you use.
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*
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* @author Daniel Rudolf
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* @link http://picocms.org
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* @license http://opensource.org/licenses/MIT The MIT License
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* @version 2.0
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*/
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interface PicoPluginInterface
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{
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/**
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* Constructs a new instance of a Pico plugin
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*
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* @param Pico $pico current instance of Pico
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*/
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public function __construct(Pico $pico);
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/**
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* Handles a event that was triggered by Pico
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*
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* @param string $eventName name of the triggered event
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* @param array $params passed parameters
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* @return void
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*/
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public function handleEvent($eventName, array $params);
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/**
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* Enables or disables this plugin
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*
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* @see PicoPluginInterface::isEnabled()
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* @see PicoPluginInterface::isStatusChanged()
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* @param boolean $enabled enable (true) or disable (false) this plugin
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* @param boolean $recursive when true, enable or disable recursively
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* In other words, if you enable a plugin, all required plugins are
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* enabled, too. When disabling a plugin, all depending plugins are
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* disabled likewise. Recursive operations are only performed as long
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* as a plugin wasn't enabled/disabled manually. This parameter is
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* optional and defaults to true.
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* @param boolean $auto enable or disable to fulfill a dependency
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* This parameter is optional and defaults to false.
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* @return void
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* @throws RuntimeException thrown when a dependency fails
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*/
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public function setEnabled($enabled, $recursive = true, $auto = false);
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/**
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* Returns true if this plugin is enabled, false otherwise
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*
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* @see PicoPluginInterface::setEnabled()
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* @return boolean plugin is enabled (true) or disabled (false)
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*/
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public function isEnabled();
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/**
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* Returns true if the plugin was ever enabled/disabled manually
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*
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* @see PicoPluginInterface::setEnabled()
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* @return boolean plugin is in its default state (true), false otherwise
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*/
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public function isStatusChanged();
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/**
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* Returns a list of names of plugins required by this plugin
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*
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* @return string[] required plugins
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*/
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public function getDependencies();
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/**
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* Returns a list of plugins which depend on this plugin
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*
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* @return object[] dependant plugins
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*/
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public function getDependants();
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/**
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* Returns the plugins instance of Pico
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*
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* @see Pico
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* @return Pico the plugins instance of Pico
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*/
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public function getPico();
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}
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