Hello everyone!
I use an ordenable behavior to sort pages in my site. I created a field
called 'index' in my pages table, and it's working fine, except that when I
use the action MoveDown, it keeps moving the index down even limitlessly.
For example, if there are 5 pages, and I press moveDown in my "page 1" with
"index 1" 10 times, then my pages will be like:
(index - title)
1 - page 2
2 - page 3
3 - page 4
4 - page 5
10 - page 1
It should stop when it's
5 - page 1
Here's the behavior code:
[code]
<?php
class OrdenableBehavior extends ModelBehavior {
static $__settings = array();
var $toWrite = array();
function setup(&$model, $settings = array()) {
$defaults = array(
'field' => 'index',
);
if (array_key_exists('field',$settings))
{
self::$__settings['field'] = $settings['field'];
}
else
{
self::$__settings['field'] = $defaults['field'];
}
}
function beforeSave(&$model)
{
if (! isset($model->data[$model->name]['id']))
{
$lastPage = $this->_getLastContent($model);
if($lastPage)
{
$model->data[$model->name][self::$__settings['field']] =
$lastPage[$model->name][self::$__settings['field']] + 1;
}
else
{
$model->data[$model->name][self::$__settings['field']] = 1;
}
}
return true;
}
function moveUp(&$model,$content)
{
if ( $content[$model->name][self::$__settings['field']] > 1)
{
$searchKey =
$content[$model->name][self::$__settings['field']] - 1;
echo $searchKey;
$upContent = $model->find('first',array(
'conditions'=> array(
self::$__settings['field'] => $searchKey
)
));
if ($upContent)
{
$upContent[$model->name][self::$__settings['field']] =
$content[$model->name][self::$__settings['field']];
$model->save($upContent);
$model->create();
}
$content[$model->name][self::$__settings['field']] =
$searchKey;
$model->save($content,array('callbacks'=>false));
}
}
function moveDown(&$model,$content)
{
if ( $content[$model->name][self::$__settings['field']] !=
$this->_getLastContent($model))
{
$searchKey =
$content[$model->name][self::$__settings['field']] + 1;
$downContent = $model->find('first',array(
'conditions'=> array(
self::$__settings['field'] => $searchKey
)
));
if ($downContent )
{
$downContent
[$model->name][self::$__settings['field']] =
$content[$model->name][self::$__settings['field']];
$model->save($downContent
,array('callbacks'=>false));
$model->create();
}
$content[$model->name][self::$__settings['field']] =
$searchKey;
$model->save($content,array('callbacks'=>false));
}
}
function _getLastContent(&$model)
{
return $model->find('first',array(
'order'=>array($model->name.'.'.self::$__settings['field'] => 'DESC')
));
}
}
?>
[/code]
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