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| <?php
/**
* Toggle Model Behavior
*
* Allows you to toggle default fields or a specific field/fields
* Can also toggle a field on or off explicitly
*
* @package app.models.behaviors
* @author Jose Diaz-Gonzalez
* @version 1.4.7
**/
class ToggleBehavior extends ModelBehavior {
/**
* Default settings for a model that has this behavior attached.
*
* @var array
* @access protected
*/
protected $_settings = array(
'fields' => array('active'),
'callbacks' => false
);
/**
* Initiate behaviour for the model using settings.
*
* @param AppModel $Model Model instance
* @param array $config Settings to override for model.
* @access public
*/
function setup(&$model, $config = array()) {
$this->settings[$model->alias] = $this->_settings;
//merge custom config with default settings
$this->settings[$model->alias] = array_merge($this->settings[$model->alias], (array)$config);
}
/**
* Toggles the fields
*
* @param AppModel $Model Model instance
* @param mixed $id Optional The ID of the record to read
* @param array $fieldNames name of fields to be toggled
* @return mixed Array of non-existing fields, saved data/true if everything went well, or false if saving failed
* @author Jose Diaz-Gonzalez
**/
function toggle(&$model, $fieldNames = array(), $id = null) {
return $this->_turnFields($model, $fieldNames, 'toggle', $id);
}
/**
* Toggles the fields on
*
* @param AppModel $Model Model instance
* @param mixed $id Optional The ID of the record to read
* @param array $fieldNames name of fields to be toggled
* @return mixed Array of non-existing fields, saved data/true if everything went well, or false if saving failed
* @author Jose Diaz-Gonzalez
**/
function turnOn(&$model, $fieldNames = array(), $id = null) {
return $this->_turnFields($model, $fieldNames, 1, $id);
}
/**
* Toggles the fields off
*
* @param AppModel $Model Model instance
* @param array $fieldNames name of fields to be toggled
* @param mixed $id Optional The ID of the record to read
* @return mixed Array of non-existing fields, saved data/true if everything went well, or false if saving failed
* @author Jose Diaz-Gonzalez
**/
function turnOff(&$model, $fieldNames = array(), $id = null) {
return $this->_turnFields($model, $fieldNames, 0, $id);
}
/**
* Does the grunt work for toggling
*
* @param AppModel $Model Model instance
* @param array $fieldNames name of fields to be toggled
* @param mixed $type Either the string "toggle" or the value to save
* @param mixed $id Optional The ID of the record to read
* @return mixed Array of non-existing fields, saved data/true if everything went well, or false if saving failed
* @author Jose Diaz-Gonzalez
**/
function _turnFields(&$model, $fieldNames = array(), $type = null, $id = null) {
if (!is_null($id) and !empty($id)) {
$id;
} else {
if (is_array($this->id)) {
$id = $this->id[0];
} else {
$id = $this->id;
}
}
$errors = array();
if (!empty($fields)) {
$fields = $fieldNames;
} else {
$fields = $this->settings[$model->alias]['fields'];
}
$model->id = $id;
$arr = $this->_checkFields($model, $fields);
$errors = $arr['errors'];
$fields = $arr['fields'];
if (!empty($errors)) {var_dump($errors);die;
return $errors;
}
switch ($type) {
case 'toggle' :
foreach ($fields as $field) {
$field = $model->escapeField($field);
$toSave[$field] = 'NOT ' . $field;
}
break;
default:
foreach ($fields as $field) {
$toSave[$field] = $type;
}
break;
}
if ($this->settings[$model->alias]['callbacks']) {
$model->beforeSave();
$data = $model->updateAll($toSave, array($model->escapeField() => $id));
$model->afterSave();
} else {
$data = $model->updateAll($toSave, array($model->escapeField() => $id));
}
return $data;
}
/**
* Checks the model to ensure that the fields do indeed exist
*
* @param AppModel $Model Model instance
* @param array $fieldNames name of fields to be toggled
* @return array Fields and Errors in a single array
* @author Jose Diaz-Gonzalez
**/
function _checkFields(&$model, $fields) {
$errors = array();
foreach ($fields as $key => $field) {
if(!$model->hasField($field)) {
unset($fields[$key]);
$errors[] = $field;
}
}
return array('fields' => $fields, 'errors' => $errors);
}
}
?>
|
13 Aug 2009 | 
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