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<?php
/**
* TStyle 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;
use Prado\Exceptions\TInvalidDataValueException;
/**
* TTableStyle class.
* TTableStyle represents the CSS style specific for HTML table.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package Prado\Web\UI\WebControls
* @since 3.0
*/
class TTableStyle extends TStyle
{
/**
* @var TVerticalAlign the URL of the background image for the table
*/
private $_backImageUrl=null;
/**
* @var THorizontalAlign horizontal alignment of the contents within the table
*/
private $_horizontalAlign=null;
/**
* @var integer cellpadding of the table
*/
private $_cellPadding=null;
/**
* @var integer cellspacing of the table
*/
private $_cellSpacing=null;
/**
* @var TTableGridLines grid line setting of the table
*/
private $_gridLines=null;
/**
* @var boolean whether the table border should be collapsed
*/
private $_borderCollapse=null;
/**
* Sets the style attributes to default values.
* This method overrides the parent implementation by
* resetting additional TTableStyle specific attributes.
*/
public function reset()
{
$this->_backImageUrl=null;
$this->_horizontalAlign=null;
$this->_cellPadding=null;
$this->_cellSpacing=null;
$this->_gridLines=null;
$this->_borderCollapse=null;
}
/**
* Copies the fields in a new style to this style.
* If a style field is set in the new style, the corresponding field
* in this style will be overwritten.
* @param TStyle the new style
*/
public function copyFrom($style)
{
parent::copyFrom($style);
if($style instanceof TTableStyle)
{
if($style->_backImageUrl!==null)
$this->_backImageUrl=$style->_backImageUrl;
if($style->_horizontalAlign!==null)
$this->_horizontalAlign=$style->_horizontalAlign;
if($style->_cellPadding!==null)
$this->_cellPadding=$style->_cellPadding;
if($style->_cellSpacing!==null)
$this->_cellSpacing=$style->_cellSpacing;
if($style->_gridLines!==null)
$this->_gridLines=$style->_gridLines;
if($style->_borderCollapse!==null)
$this->_borderCollapse=$style->_borderCollapse;
}
}
/**
* 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($style instanceof TTableStyle)
{
if($this->_backImageUrl===null && $style->_backImageUrl!==null)
$this->_backImageUrl=$style->_backImageUrl;
if($this->_horizontalAlign===null && $style->_horizontalAlign!==null)
$this->_horizontalAlign=$style->_horizontalAlign;
if($this->_cellPadding===null && $style->_cellPadding!==null)
$this->_cellPadding=$style->_cellPadding;
if($this->_cellSpacing===null && $style->_cellSpacing!==null)
$this->_cellSpacing=$style->_cellSpacing;
if($this->_gridLines===null && $style->_gridLines!==null)
$this->_gridLines=$style->_gridLines;
if($this->_borderCollapse===null && $style->_borderCollapse!==null)
$this->_borderCollapse=$style->_borderCollapse;
}
}
/**
* 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()))!=='')
$writer->addStyleAttribute('background-image','url('.$url.')');
if(($horizontalAlign=$this->getHorizontalAlign())!==THorizontalAlign::NotSet)
$writer->addStyleAttribute('text-align',strtolower($horizontalAlign));
if(($cellPadding=$this->getCellPadding())>=0)
$writer->addAttribute('cellpadding',"$cellPadding");
if(($cellSpacing=$this->getCellSpacing())>=0)
$writer->addAttribute('cellspacing',"$cellSpacing");
if($this->getBorderCollapse())
$writer->addStyleAttribute('border-collapse','collapse');
switch($this->getGridLines())
{
case TTableGridLines::Horizontal : $writer->addAttribute('rules','rows'); break;
case TTableGridLines::Vertical : $writer->addAttribute('rules','cols'); break;
case TTableGridLines::Both : $writer->addAttribute('rules','all'); break;
}
parent::addAttributesToRender($writer);
}
/**
* @return string the URL of the background image for the table
*/
public function getBackImageUrl()
{
return $this->_backImageUrl===null?'':$this->_backImageUrl;
}
/**
* Sets the URL of the background image for the table
* @param string the URL
*/
public function setBackImageUrl($value)
{
$this->_backImageUrl=$value;
}
/**
* @return THorizontalAlign the horizontal alignment of the contents within the table, defaults to THorizontalAlign::NotSet.
*/
public function getHorizontalAlign()
{
return $this->_horizontalAlign===null?THorizontalAlign::NotSet:$this->_horizontalAlign;
}
/**
* Sets the horizontal alignment of the contents within the table.
* @param THorizontalAlign the horizontal alignment
*/
public function setHorizontalAlign($value)
{
$this->_horizontalAlign=TPropertyValue::ensureEnum($value,'THorizontalAlign');
}
/**
* @return integer cellpadding of the table. Defaults to -1, meaning not set.
*/
public function getCellPadding()
{
return $this->_cellPadding===null?-1:$this->_cellPadding;
}
/**
* @param integer cellpadding of the table. A value equal to -1 clears up the setting.
* @throws TInvalidDataValueException if the value is less than -1.
*/
public function setCellPadding($value)
{
if(($this->_cellPadding=TPropertyValue::ensureInteger($value))<-1)
throw new TInvalidDataValueException('tablestyle_cellpadding_invalid');
}
/**
* @return integer cellspacing of the table. Defaults to -1, meaning not set.
*/
public function getCellSpacing()
{
return $this->_cellSpacing===null?-1:$this->_cellSpacing;
}
/**
* @param integer cellspacing of the table. A value equal to -1 clears up the setting.
* @throws TInvalidDataValueException if the value is less than -1.
*/
public function setCellSpacing($value)
{
if(($this->_cellSpacing=TPropertyValue::ensureInteger($value))<-1)
throw new TInvalidDataValueException('tablestyle_cellspacing_invalid');
}
/**
* @return TTableGridLines the grid line setting of the table. Defaults to TTableGridLines::None.
*/
public function getGridLines()
{
return $this->_gridLines===null?TTableGridLines::None:$this->_gridLines;
}
/**
* Sets the grid line style of the table.
* @param TTableGridLines the grid line setting of the table
*/
public function setGridLines($value)
{
$this->_gridLines=TPropertyValue::ensureEnum($value,'TTableGridLines');
}
/**
* @return boolean whether the table borders should be collapsed. Defaults to false.
*/
public function getBorderCollapse()
{
return $this->_borderCollapse===null?false:$this->_borderCollapse;
}
/**
* @param boolean whether the table borders should be collapsed.
*/
public function setBorderCollapse($value)
{
$this->_borderCollapse=TPropertyValue::ensureBoolean($value);
}
}
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