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<?php
/**
* TPanelStyle class file
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2014 PradoSoft
* @license http://www.pradosoft.com/license/
* @package Prado\Web\UI\WebControls
*/
namespace Prado\Web\UI\WebControls;
use Prado\TPropertyValue;
/**
* TPanelStyle class.
* TPanelStyle represents the CSS style specific for panel HTML tag.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package Prado\Web\UI\WebControls
* @since 3.0
*/
class TPanelStyle extends TStyle
{
/**
* @var string the URL of the background image for the panel component
*/
private $_backImageUrl=null;
/**
* @var string alignment of the content in the panel.
*/
private $_direction=null;
/**
* @var string horizontal alignment of the contents within the panel
*/
private $_horizontalAlign=null;
/**
* @var string visibility and position of scroll bars
*/
private $_scrollBars=null;
/**
* @var boolean whether the content wraps within the panel
*/
private $_wrap=null;
/**
* Adds attributes related to CSS styles to renderer.
* This method overrides the parent implementation.
* @param THtmlWriter the writer used for the rendering purpose
*/
public function addAttributesToRender($writer)
{
if(($url=trim($this->getBackImageUrl()))!=='')
$this->setStyleField('background-image','url('.$url.')');
switch($this->getScrollBars())
{
case TScrollBars::Horizontal: $this->setStyleField('overflow-x','scroll'); break;
case TScrollBars::Vertical: $this->setStyleField('overflow-y','scroll'); break;
case TScrollBars::Both: $this->setStyleField('overflow','scroll'); break;
case TScrollBars::Auto: $this->setStyleField('overflow','auto'); break;
}
if(($align=$this->getHorizontalAlign())!==THorizontalAlign::NotSet)
$this->setStyleField('text-align',strtolower($align));
if(!$this->getWrap())
$this->setStyleField('white-space','nowrap');
if(($direction=$this->getDirection())!==TContentDirection::NotSet)
{
if($direction===TContentDirection::LeftToRight)
$this->setStyleField('direction','ltr');
else
$this->setStyleField('direction','rtl');
}
parent::addAttributesToRender($writer);
}
/**
* @return string the URL of the background image for the panel component.
*/
public function getBackImageUrl()
{
return $this->_backImageUrl===null?'':$this->_backImageUrl;
}
/**
* Sets the URL of the background image for the panel component.
* @param string the URL
*/
public function setBackImageUrl($value)
{
$this->_backImageUrl=$value;
}
/**
* @return TContentDirection alignment of the content in the panel. Defaults to TContentDirection::NotSet.
*/
public function getDirection()
{
return $this->_direction===null?TContentDirection::NotSet:$this->_direction;
}
/**
* @param TContentDirection alignment of the content in the panel.
*/
public function setDirection($value)
{
$this->_direction=TPropertyValue::ensureEnum($value,'TContentDirection');
}
/**
* @return boolean whether the content wraps within the panel. Defaults to true.
*/
public function getWrap()
{
return $this->_wrap===null?true:$this->_wrap;
}
/**
* Sets the value indicating whether the content wraps within the panel.
* @param boolean whether the content wraps within the panel.
*/
public function setWrap($value)
{
$this->_wrap=TPropertyValue::ensureBoolean($value);
}
/**
* @return THorizontalAlign the horizontal alignment of the contents within the panel, defaults to THorizontalAlign::NotSet.
*/
public function getHorizontalAlign()
{
return $this->_horizontalAlign===null?THorizontalAlign::NotSet:$this->_horizontalAlign;
}
/**
* Sets the horizontal alignment of the contents within the panel.
* @param THorizontalAlign the horizontal alignment
*/
public function setHorizontalAlign($value)
{
$this->_horizontalAlign=TPropertyValue::ensureEnum($value,'THorizontalAlign');
}
/**
* @return TScrollBars the visibility and position of scroll bars in a panel control, defaults to TScrollBars::None.
*/
public function getScrollBars()
{
return $this->_scrollBars===null?TScrollBars::None:$this->_scrollBars;
}
/**
* @param TScrollBars the visibility and position of scroll bars in a panel control.
*/
public function setScrollBars($value)
{
$this->_scrollBars=TPropertyValue::ensureEnum($value,'TScrollBars');
}
/**
* Sets the style attributes to default values.
* This method overrides the parent implementation by
* resetting additional TPanelStyle specific attributes.
*/
public function reset()
{
parent::reset();
$this->_backImageUrl=null;
$this->_direction=null;
$this->_horizontalAlign=null;
$this->_scrollBars=null;
$this->_wrap=null;
}
/**
* Copies the fields in a new style to this style.
* If a style field is set in the new style, the corresponding field
* in this style will be overwritten.
* @param TStyle the new style
*/
public function copyFrom($style)
{
parent::copyFrom($style);
if($style instanceof TPanelStyle)
{
if($style->_backImageUrl!==null)
$this->_backImageUrl=$style->_backImageUrl;
if($style->_direction!==null)
$this->_direction=$style->_direction;
if($style->_horizontalAlign!==null)
$this->_horizontalAlign=$style->_horizontalAlign;
if($style->_scrollBars!==null)
$this->_scrollBars=$style->_scrollBars;
if($style->_wrap!==null)
$this->_wrap=$style->_wrap;
}
}
/**
* Merges the style with a new one.
* If a style field is not set in this style, it will be overwritten by
* the new one.
* @param TStyle the new style
*/
public function mergeWith($style)
{
parent::mergeWith($style);
if($style instanceof TPanelStyle)
{
if($this->_backImageUrl===null && $style->_backImageUrl!==null)
$this->_backImageUrl=$style->_backImageUrl;
if($this->_direction===null && $style->_direction!==null)
$this->_direction=$style->_direction;
if($this->_horizontalAlign===null && $style->_horizontalAlign!==null)
$this->_horizontalAlign=$style->_horizontalAlign;
if($this->_scrollBars===null && $style->_scrollBars!==null)
$this->_scrollBars=$style->_scrollBars;
if($this->_wrap===null && $style->_wrap!==null)
$this->_wrap=$style->_wrap;
}
}
}
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