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<?php
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/**
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* TDraggable class file
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*
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* @author Christophe BOULAIN (Christophe.Boulain@gmail.com)
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* @copyright Copyright © 2008, PradoSoft
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* @license http://www.pradosoft.com/license
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* @version $Id: TDraggable.php 2517 2008-10-13 13:40:34Z tof $
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*/
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/**
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* TDraggable is a control which can be dragged
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*
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* This control will make "draggable" control.
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*
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* @author Christophe BOULAIN (Christophe.Boulain@gmail.com)
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* @copyright Copyright © 2008, PradoSoft
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* @license http://www.pradosoft.com/license
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* @version $Id: TDraggable.php 2517 2008-10-13 13:40:34Z tof $
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*/
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class TDraggable extends TPanel
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{
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/**
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* Set the handle id or css class
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* @param string
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*/
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public function setHandle ($value)
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{
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$this->setViewState('DragHandle', TPropertyValue::ensureString($value), null);
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}
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/**
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* Get the handle id or css class
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* @return string
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*/
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public function getHandle ()
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{
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return $this->getViewState('DragHandle', null);
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}
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/**
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* Determine if draggable element should revert to it orginal position
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* upon release in an non-droppable container.
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* @return boolean true to revert
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*/
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public function getRevert()
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{
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return $this->getViewState('Revert', true);
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}
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/**
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* Sets whether the draggable element should revert to it orginal position
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* upon release in an non-droppable container.
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* @param boolean true to revert
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*/
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public function setRevert($value)
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{
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$this->setViewState('Revert', TPropertyValue::ensureBoolean($value), true);
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}
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/**
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* Determine if the element should be cloned when dragged
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* If true, Clones the element and drags the clone, leaving the original in place until the clone is dropped.
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* Defaults to false
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* @return boolean true to clone the element
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*/
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public function getGhosting ()
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{
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return $this->getViewState('Ghosting', false);
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}
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/**
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* Sets wether the element should be cloned when dragged
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* If true, Clones the element and drags the clone, leaving the original in place until the clone is dropped.
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* Defaults to false
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* @return boolean true to clone the element
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*/
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public function setGhosting ($value)
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{
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$this->setViewState('Ghosting', TPropertyValue::ensureBoolean($value), false);
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}
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/**
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* Determine if the element should be constrainted in one direction or not
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* @return CDraggableConstraint
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*/
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public function getConstraint()
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{
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return $this->getViewState('Constraint', TDraggableConstraint::None);
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}
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/**
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* Set wether the element should be constrainted in one direction
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* @param CDraggableConstraint
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*/
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public function setConstraint($value)
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{
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$this->setViewState('Constraint', TPropertyValue::ensureEnum($value, 'TDraggableConstraint'), TDraggableConstraint::None);
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}
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/**
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* Ensure that the ID attribute is rendered and registers the javascript code
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* for initializing the active control.
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*/
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protected function addAttributesToRender($writer)
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{
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parent::addAttributesToRender($writer);
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$writer->addAttribute('id',$this->getClientID());
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$cs=$this->getPage()->getClientScript();
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$cs->registerPradoScript('dragdrop');
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$options=TJavascript::encode($this->getPostBackOptions());
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$class=$this->getClientClassName();
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$code="new {$class}('{$this->getClientId()}', {$options}) ";
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$cs->registerEndScript(sprintf('%08X', crc32($code)), $code);
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}
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/**
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* Gets the name of the javascript class responsible for performing postback for this control.
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* This method overrides the parent implementation.
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* @return string the javascript class name
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*/
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protected function getClientClassName ()
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{
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return 'Draggable';
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}
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/**
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* Gets the post back options for this textbox.
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* @return array
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*/
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protected function getPostBackOptions()
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{
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$options['ID'] = $this->getClientID();
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if (($handle=$this->getHandle())!== null) $options['handle']=$handle;
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$options['revert']=$this->getRevert();
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if (($constraint=$this->getConstraint())!==TDraggableConstraint::None) $options['constraint']=strtolower($constraint);
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$options['ghosting']=$this->getGhosting();
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return $options;
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}
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}
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class TDraggableConstraint extends TEnumerable
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{
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const None='None';
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const Horizontal='Horizontal';
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const Vertical='Vertical';
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}
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?>
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