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<?php
/**
* TWizardNavigationButtonStyle class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link https://github.com/pradosoft/prado
* @copyright Copyright © 2005-2016 The PRADO Group
* @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT
* @version $Id $
* @package System.Web.UI.WebControls
*/
/**
* Includes TStyle class file
*/
Prado::using('System.Web.UI.WebControls.TStyle');
/**
* TWizardNavigationButtonStyle class.
* TWizardNavigationButtonStyle defines the style applied to a wizard navigation button.
* The button type can be specified via {@link setButtonType ButtonType}, which
* can be 'Button', 'Image' or 'Link'.
* If the button is an image button, {@link setImageUrl ImageUrl} will be
* used to load the image for the button.
* Otherwise, {@link setButtonText ButtonText} will be displayed as the button caption.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package System.Web.UI.WebControls
* @since 3.0
*/
class TWizardNavigationButtonStyle extends TStyle
{
private $_imageUrl=null;
private $_buttonText=null;
private $_buttonType=null;
/**
* Sets the style attributes to default values.
* This method overrides the parent implementation by
* resetting additional TWizardNavigationButtonStyle specific attributes.
*/
public function reset()
{
parent::reset();
$this->_imageUrl=null;
$this->_buttonText=null;
$this->_buttonType=null;
}
/**
* Copies the fields in a new style to this style.
* If a style field is set in the new style, the corresponding field
* in this style will be overwritten.
* @param TStyle the new style
*/
public function copyFrom($style)
{
parent::copyFrom($style);
if($style instanceof TWizardNavigationButtonStyle)
{
if($this->_imageUrl===null && $style->_imageUrl!==null)
$this->_imageUrl=$style->_imageUrl;
if($this->_buttonText===null && $style->_buttonText!==null)
$this->_buttonText=$style->_buttonText;
if($this->_buttonType===null && $style->_buttonType!==null)
$this->_buttonType=$style->_buttonType;
}
}
/**
* 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($style instanceof TWizardNavigationButtonStyle)
{
if($style->_imageUrl!==null)
$this->_imageUrl=$style->_imageUrl;
if($style->_buttonText!==null)
$this->_buttonText=$style->_buttonText;
if($style->_buttonType!==null)
$this->_buttonType=$style->_buttonType;
}
}
/**
* @return string image URL for the image button
*/
public function getImageUrl()
{
return $this->_imageUrl===null?'':$this->_imageUrl;
}
/**
* @param string image URL for the image button
*/
public function setImageUrl($value)
{
$this->_imageUrl=$value;
}
/**
* @return string button caption
*/
public function getButtonText()
{
return $this->_buttonText===null?'':$this->_buttonText;
}
/**
* @param string button caption
*/
public function setButtonText($value)
{
$this->_buttonText=$value;
}
/**
* @return TWizardNavigationButtonType button type. Default to TWizardNavigationButtonType::Button.
*/
public function getButtonType()
{
return $this->_buttonType===null? TWizardNavigationButtonType::Button :$this->_buttonType;
}
/**
* @param TWizardNavigationButtonType button type.
*/
public function setButtonType($value)
{
$this->_buttonType=TPropertyValue::ensureEnum($value,'TWizardNavigationButtonType');
}
/**
* Applies this style to the specified button
* @param mixed button to be applied with this style
*/
public function apply($button)
{
if($button instanceof TImageButton)
{
if($button->getImageUrl()==='')
$button->setImageUrl($this->getImageUrl());
}
if($button->getText()==='')
$button->setText($this->getButtonText());
$button->getStyle()->mergeWith($this);
}
}
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