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add piwik installation

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coderkun 2014-04-25 03:56:02 +02:00
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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Settings;
/**
* Base setting type class.
*
* @api
*/
abstract class Setting
{
/**
* Describes the setting's PHP data type. When saved, setting values will always be casted to this
* type.
*
* See {@link Piwik\Plugin\Settings} for a list of supported data types.
*
* @var string
*/
public $type = null;
/**
* Describes what HTML element should be used to manipulate the setting through Piwik's UI.
*
* See {@link Piwik\Plugin\Settings} for a list of supported control types.
*
* @var string
*/
public $uiControlType = null;
/**
* Name-value mapping of HTML attributes that will be added HTML form control, eg,
* `array('size' => 3)`. Attributes will be escaped before outputting.
*
* @var array
*/
public $uiControlAttributes = array();
/**
* The list of all available values for this setting. If null, the setting can have any value.
*
* If supplied, this field should be an array mapping available values with their prettified
* display value. Eg, if set to `array('nb_visits' => 'Visits', 'nb_actions' => 'Actions')`,
* the UI will display **Visits** and **Actions**, and when the user selects one, Piwik will
* set the setting to **nb_visits** or **nb_actions** respectively.
*
* The setting value will be validated if this field is set. If the value is not one of the
* available values, an error will be triggered.
*
* _Note: If a custom validator is supplied (see {@link $validate}), the setting value will
* not be validated._
*
* @var null|array
*/
public $availableValues = null;
/**
* Text that will appear above this setting's section in the _Plugin Settings_ admin page.
*
* @var null|string
*/
public $introduction = null;
/**
* Text that will appear directly underneath the setting title in the _Plugin Settings_ admin
* page. If set, should be a short description of the setting.
*
* @var null|string
*/
public $description = null;
/**
* Text that will appear next to the setting's section in the _Plugin Settings_ admin page. If set,
* it should contain information about the setting that is more specific than a general description,
* such as the format of the setting value if it has a special format.
*
* @var null|string
*/
public $inlineHelp = null;
/**
* A closure that does some custom validation on the setting before the setting is persisted.
*
* The closure should take two arguments: the setting value and the {@link Setting} instance being
* validated. If the value is found to be invalid, the closure should throw an exception with
* a message that describes the error.
*
* **Example**
*
* $setting->validate = function ($value, Setting $setting) {
* if ($value > 60) {
* throw new \Exception('The time limit is not allowed to be greater than 60 minutes.');
* }
* }
*
* @var null|\Closure
*/
public $validate = null;
/**
* A closure that transforms the setting value. If supplied, this closure will be executed after
* the setting has been validated.
*
* _Note: If a transform is supplied, the setting's {@link $type} has no effect. This means the
* transformation function will be responsible for casting the setting value to the appropriate
* data type._
*
* **Example**
*
* $setting->transform = function ($value, Setting $setting) {
* if ($value > 30) {
* $value = 30;
* }
*
* return (int) $value;
* }
*
* @var null|\Closure
*/
public $transform = null;
/**
* Default value of this setting.
*
* The default value is not casted to the appropriate data type. This means _**you**_ have to make
* sure the value is of the correct type.
*
* @var mixed
*/
public $defaultValue = null;
/**
* This setting's display name, for example, `'Refresh Interval'`.
*
* @var string
*/
public $title = '';
protected $key;
protected $name;
protected $displayedForCurrentUser = false;
/**
* @var StorageInterface
*/
private $storage;
/**
* Constructor.
*
* @param string $name The setting's persisted name. Only alphanumeric characters are allowed, eg,
* `'refreshInterval'`.
* @param string $title The setting's display name, eg, `'Refresh Interval'`.
*/
public function __construct($name, $title)
{
$this->key = $name;
$this->name = $name;
$this->title = $title;
}
/**
* Returns the setting's persisted name, eg, `'refreshInterval'`.
*
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* Returns `true` if this setting can be displayed for the current user, `false` if otherwise.
*
* @return bool
*/
public function canBeDisplayedForCurrentUser()
{
return $this->displayedForCurrentUser;
}
/**
* Sets the object used to persist settings.
*
* @return StorageInterface
*/
public function setStorage(StorageInterface $storage)
{
$this->storage = $storage;
}
/**
* Returns the previously persisted setting value. If no value was set, the default value
* is returned.
*
* @return mixed
* @throws \Exception If the current user is not allowed to change the value of this setting.
*/
public function getValue()
{
return $this->storage->getSettingValue($this);
}
/**
* Sets and persists this setting's value overwriting any existing value.
*
* @param mixed $value
* @throws \Exception If the current user is not allowed to change the value of this setting.
*/
public function setValue($value)
{
return $this->storage->setSettingValue($this, $value);
}
/**
* Returns the unique string key used to store this setting.
*
* @return string
*/
public function getKey()
{
return $this->key;
}
/**
* Returns the display order. The lower the return value, the earlier the setting will be displayed.
*
* @return int
*/
public function getOrder()
{
return 100;
}
}