170 lines
3.5 KiB
PHP
170 lines
3.5 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
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namespace Icinga\User;
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use Countable;
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/**
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* User preferences container
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*
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* Usage example:
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* <code>
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* <?php
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*
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* use Icinga\User\Preferences;
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*
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* $preferences = new Preferences(); // Start with empty preferences
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*
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* $preferences = new Preferences(array('aPreference' => 'value')); // Start with initial preferences
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*
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* $preferences->aNewPreference = 'value'; // Set a preference
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*
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* unset($preferences->aPreference); // Unset a preference
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*
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* // Retrieve a preference and return a default value if the preference does not exist
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* $anotherPreference = $preferences->get('anotherPreference', 'defaultValue');
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*/
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class Preferences implements Countable
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{
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/**
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* Preferences key-value array
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*
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* @var array
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*/
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protected $preferences = array();
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/**
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* Constructor
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*
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* @param array $preferences Preferences key-value array
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*/
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public function __construct(array $preferences = array())
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{
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$this->preferences = $preferences;
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}
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/**
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* Count all preferences
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*
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* @return int The number of preferences
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*/
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public function count()
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{
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return count($this->preferences);
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}
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/**
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* Determine whether a preference exists
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*
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* @param string $name
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*
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* @return bool
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*/
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public function has($name)
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{
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return array_key_exists($name, $this->preferences);
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}
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/**
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* Write data to a preference
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*
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* @param string $name
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* @param mixed $value
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*/
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public function __set($name, $value)
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{
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$this->preferences[$name] = $value;
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}
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/**
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* Retrieve a preference section
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*
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* @param string $name
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*
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* @return array|null
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*/
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public function get($name)
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{
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if (array_key_exists($name, $this->preferences)) {
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return $this->preferences[$name];
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}
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return null;
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}
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/**
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* Retrieve a value from a specific section
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*
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* @param string $section
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* @param string $name
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* @param null $default
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*
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* @return array|null
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*/
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public function getValue($section, $name, $default = null)
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{
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if (array_key_exists($section, $this->preferences)
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&& array_key_exists($name, $this->preferences[$section])
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) {
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return $this->preferences[$section][$name];
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}
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return $default;
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}
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/**
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* Magic method so that $obj->value will work.
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*
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* @param string $name
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*
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* @return mixed
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*/
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public function __get($name)
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{
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return $this->get($name);
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}
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/**
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* Remove a given preference
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*
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* @param string $name Preference name
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*/
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public function remove($name)
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{
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unset($this->preferences[$name]);
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}
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/**
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* Determine if a preference is set and is not NULL
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*
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* @param string $name Preference name
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*
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* @return bool
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*/
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public function __isset($name)
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{
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return isset($this->preferences[$name]);
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}
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/**
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* Unset a given preference
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*
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* @param string $name Preference name
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*/
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public function __unset($name)
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{
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$this->remove($name);
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}
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/**
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* Get preferences as array
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*
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* @return array
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*/
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public function toArray()
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{
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return $this->preferences;
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}
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}
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