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<?php
/**
* TJuiSortable class file.
*
* @author Fabio Bas <ctrlaltca[at]gmail[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2013-2014 PradoSoft
* @license http://www.pradosoft.com/license/
* @package System.Web.UI.JuiControls
*/
Prado::using('System.Web.UI.JuiControls.TJuiControlAdapter');
/**
* TJuiSortable class.
*
*
* <code>
* <com:TJuiSortable ID="repeater1" />
* </code>
*
* <code>
* $this->repeater1->DataSource=array('home', 'office', 'car', 'boat', 'plane');
* $this->repeater1->dataBind();
* </code>
*
* @author Fabio Bas <ctrlaltca[at]gmail[dot]com>
* @package System.Web.UI.JuiControls
* @since 3.3
*/
class TJuiSortable extends TActivePanel implements IJuiOptions
{
/**
* Creates a new callback control, sets the adapter to
* TActiveControlAdapter. If you override this class, be sure to set the
* adapter appropriately by, for example, by calling this constructor.
*/
public function __construct()
{
parent::__construct();
$this->setAdapter(new TJuiControlAdapter($this));
}
/**
* Object containing defined javascript options
* @return TJuiControlOptions
*/
public function getOptions()
{
static $options;
if($options===null)
$options=new TJuiControlOptions($this);
return $options;
}
/**
* Array containing valid javascript options
* @return array()
*/
public function getValidOptions()
{
return array('appendTo', 'axis', 'cancel', 'connectWith', 'containment', 'cursor', 'cursorAt', 'delay', 'disabled', 'distance', 'dropOnEmpty', 'forceHelperSize', 'forcePlaceholderSize', 'grid', 'handle', 'helper', 'items', 'opacity', 'placeholder', 'revert', 'scroll', 'scrollSensitivity', 'scrollSpeed', 'tolerance', 'zIndex');
}
/**
* @return array list of callback options.
*/
protected function getPostBackOptions()
{
$options = $this->getOptions()->toArray();
return $options;
}
/**
* Ensure that the ID attribute is rendered and registers the javascript code
* for initializing the active control.
*/
protected function addAttributesToRender($writer)
{
parent::addAttributesToRender($writer);
$writer->addAttribute('id',$this->getClientID());
$options=TJavascript::encode($this->getPostBackOptions());
$cs=$this->getPage()->getClientScript();
$code="jQuery('#".$this->getClientId()."_0').sortable(".$options.");";
$cs->registerEndScript(sprintf('%08X', crc32($code)), $code);
}
/**
* @var ITemplate template for repeater items
*/
private $_repeater=null;
/**
* @param array data source for Selectables.
*/
public function setDataSource($data)
{
$this->getSelectables()->setDataSource($data);
}
/**
* Overrides parent implementation. Callback {@link renderSelectables()} when
* page's IsCallback property is true.
*/
public function dataBind()
{
parent::dataBind();
if($this->getPage()->getIsCallback())
$this->renderSelectables($this->getResponse()->createHtmlWriter());
}
/**
* @return TRepeater suggestion list repeater
*/
public function getSelectables()
{
if($this->_repeater===null)
$this->_repeater = $this->createRepeater();
return $this->_repeater;
}
/**
* @return TRepeater new instance of TRepater to render the list of Selectables.
*/
protected function createRepeater()
{
$repeater = Prado::createComponent('System.Web.UI.WebControls.TRepeater');
$repeater->setHeaderTemplate(new TJuiSortableTemplate('<ul id="'.$this->getClientId().'_0'.'">'));
$repeater->setFooterTemplate(new TJuiSortableTemplate('</ul>'));
$repeater->setItemTemplate(new TTemplate('<li><%# $this->DataItem %></li>',null));
$repeater->setEmptyTemplate(new TJuiSortableTemplate('<ul></ul>'));
$this->getControls()->add($repeater);
return $repeater;
}
}
/**
* TJuiSortableTemplate class.
*
* TJuiSortableTemplate is the default template for TJuiSortableTemplate
* item template.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @package System.Web.UI.ActiveControls
* @since 3.1
*/
class TJuiSortableTemplate extends TComponent implements ITemplate
{
private $_template;
public function __construct($template)
{
$this->_template = $template;
}
/**
* Instantiates the template.
* It creates a {@link TDataList} control.
* @param TControl parent to hold the content within the template
*/
public function instantiateIn($parent)
{
$parent->getControls()->add($this->_template);
}
}
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