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<?php
/**
* TDraggable class file
*
* @author Christophe BOULAIN (Christophe.Boulain@gmail.com)
* @copyright Copyright © 2008, PradoSoft
* @license http://www.pradosoft.com/license
* @package System.Web.UI.ActiveControls
* @version $Id: TDraggable.php 3159 2012-2013 PradoSoft
* @license http://www.pradosoft.com/license
* @package System.Web.UI.ActiveControls
* @version $Id$
*/
class TDraggable extends TPanel
{
/**
* Set the handle id or css class
* @param string
*/
public function setHandle ($value)
{
$this->setViewState('DragHandle', TPropertyValue::ensureString($value), null);
}
/**
* Get the handle id or css class
* @return string
*/
public function getHandle ()
{
return $this->getViewState('DragHandle', null);
}
/**
* Determine if draggable element should revert to it orginal position
* upon release in an non-droppable container.
* Since 3.2, Revert property can be set to one of the value of {@link TDraggableRevertOption} enumeration.
* o 'True' or 'Revert' : The draggable will revert to it's original position
* o 'False' or 'None' : The draggable won't revert to it's original position
* o 'Failure' : The draggable will only revert if it's dropped on a non droppable area
* @return TDraggableRevertOption true to revert
*/
public function getRevert()
{
return $this->getViewState('Revert', TDraggableRevertOptions::Revert);
}
/**
* Sets whether the draggable element should revert to it orginal position
* upon release in an non-droppable container.
* Since 3.2, Revert property can be set to one of the value of {@link TDraggableRevertOption} enumeration.
* o 'True' or 'Revert' : The draggable will revert to it's original position
* o 'False' or 'None' : The draggable won't revert to it's original position
* o 'Failure' : The draggable will only revert if it's dropped on a non droppable area
* @param boolean true to revert
*/
public function setRevert($value)
{
if (strcasecmp($value,'true')==0 || $value===true)
$value=TDraggableRevertOptions::Revert;
elseif (strcasecmp($value,'false')==0 || $value===false)
$value=TDraggableRevertOptions::None;
$this->setViewState('Revert', TPropertyValue::ensureEnum($value, 'TDraggableRevertOptions'), true);
}
/**
* Determine if the element should be cloned when dragged
* If true, Clones the element and drags the clone, leaving the original in place until the clone is dropped.
* Defaults to false
* Since 3.2, Ghosting can be set to one of the value of {@link TDraggableGhostingOptions} enumeration.
* o "True" or "Ghosting" means standard pre-3.2 ghosting mechanism
* o "SuperGhosting" use the Superghosting patch by Christopher Williams, which allow elements to be dragged from an
* scrollable list
* o "False" or "None" means no Ghosting options
*
* @return TDraggableGhostingOption to clone the element
*/
public function getGhosting ()
{
return $this->getViewState('Ghosting', TDraggableGhostingOptions::None);
}
/**
* Sets wether the element should be cloned when dragged
* If true, Clones the element and drags the clone, leaving the original in place until the clone is dropped.
* Defaults to false
*
* Since 3.2, Ghosting can be set to one of the value of {@link TDraggableGhostingOptions} enumeration.
* o "True" or "Ghosting" means standard pre-3.2 ghosting mechanism
* o "SuperGhosting" use the Superghosting patch by Christopher Williams, which allow elements to be dragged from an
* scrollable list
* o "False" or "None" means no Ghosting options
*
*/
public function setGhosting ($value)
{
if (strcasecmp($value,'true')==0 || $value===true)
$value=TDraggableGhostingOptions::Ghosting;
elseif (strcasecmp($value,'false')==0 || $value===false)
$value=TDraggableGhostingOptions::None;
$this->setViewState('Ghosting', TPropertyValue::ensureEnum($value, 'TDraggableGhostingOptions'), TDraggableGhostingOptions::None);
}
/**
* Determine if the element should be constrainted in one direction or not
* @return CDraggableConstraint
*/
public function getConstraint()
{
return $this->getViewState('Constraint', TDraggableConstraint::None);
}
/**
* Set wether the element should be constrainted in one direction
* @param CDraggableConstraint
*/
public function setConstraint($value)
{
$this->setViewState('Constraint', TPropertyValue::ensureEnum($value, 'TDraggableConstraint'), TDraggableConstraint::None);
}
/**
* Registers clientscripts
*
* This method overrides the parent implementation and is invoked before render.
* @param mixed event parameter
*/
public function onPreRender($param)
{
parent::onPreRender($param);
}
/**
* Ensure that the ID attribute is rendered and registers the javascript code
* for initializing the active control.
*/
protected function addAttributesToRender($writer)
{
parent::addAttributesToRender($writer);
$cs=$this->getPage()->getClientScript();
if ($this->getGhosting()==TDraggableGhostingOptions::SuperGhosting)
$cs->registerPradoScript('dragdropextra');
else
$cs->registerPradoScript('dragdrop');
$writer->addAttribute('id',$this->getClientID());
$options=TJavascript::encode($this->getPostBackOptions());
$class=$this->getClientClassName();
$code="new {$class}('{$this->getClientId()}', {$options}) ";
$cs->registerEndScript(sprintf('%08X', crc32($code)), $code);
}
/**
* Gets the name of the javascript class responsible for performing postback for this control.
* This method overrides the parent implementation.
* @return string the javascript class name
*/
protected function getClientClassName ()
{
return 'Draggable';
}
/**
* Gets the post back options for this textbox.
* @return array
*/
protected function getPostBackOptions()
{
$options['ID'] = $this->getClientID();
if (($handle=$this->getHandle())!== null) $options['handle']=$handle;
if (($revert=$this->getRevert())===TDraggableRevertOptions::None)
$options['revert']=false;
elseif ($revert==TDraggableRevertOptions::Revert)
$options['revert']=true;
else
$options['revert']=strtolower($revert);
if (($constraint=$this->getConstraint())!==TDraggableConstraint::None) $options['constraint']=strtolower($constraint);
switch ($this->getGhosting())
{
case TDraggableGhostingOptions::SuperGhosting:
$options['superghosting']=true;
break;
case TDraggableGhostingOptions::Ghosting:
$options['ghosting']=true;
break;
}
return $options;
}
}
/**
* @author Christophe BOULAIN (Christophe.Boulain@gmail.com)
* @copyright Copyright © 2008, PradoSoft
* @license http://www.pradosoft.com/license
* @package System.Web.UI.ActiveControls
* @version $Id: TDraggable.php 3159 2012-2013 PradoSoft
* @license http://www.pradosoft.com/license
* @package System.Web.UI.ActiveControls
* @version $Id$
*/
class TDraggableGhostingOptions extends TEnumerable
{
const None='None';
const Ghosting='Ghosting';
const SuperGhosting='SuperGhosting';
}
/**
* @author Christophe BOULAIN (Christophe.Boulain@gmail.com)
* @copyright Copyright © 2008, PradoSoft
* @license http://www.pradosoft.com/license
* @package System.Web.UI.ActiveControls
* @version $Id$
*/
class TDraggableRevertOptions extends TEnumerable
{
const None='None';
const Revert='Revert';
const Failure='Failure';
}
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