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<?php
/**
* CJuiButton class file.
*
* @author Sebastian Thierer <sebas@artfos.com>
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2011 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/

Yii::import('zii.widgets.jui.CJuiInputWidget');

/**
* CJuiButton displays a button widget.
*
* CJuiButton encapsulates the {@link http://jqueryui.com/demos/button/ JUI Button}
* plugin.
*
* To use this widget as a submit button, you may insert the following code in a view:
* <pre>
* $this->widget('zii.widgets.jui.CJuiButton', array(
* 'name'=>'submit',
* 'caption'=>'Save',
* 'options'=>array(
* 'onclick'=>new CJavaScriptExpression('function(){alert("Yes");}'),
* ));
* </pre>
*
* To use this widget as a button, you may insert the following code in a view:
* <pre>
* $this->widget('zii.widgets.jui.CJuiButton', array(
* 'name'=>'button',
* 'caption'=>'Save',
* 'value'=>'asd',
* 'onclick'=>new CJavaScriptExpression('function(){alert("Save button clicked"); this.blur(); return false;}'),
* ));
* </pre>
*
* By configuring the {@link options} property, you may specify the options
* that need to be passed to the JUI button plugin. Please refer to
* the {@link http://jqueryui.com/demos/button/ JUI Button} documentation
* for possible options (name-value pairs).
*
* @author Sebastian Thierer <sebathi@gmail.com>
* @version $Id$
* @package zii.widgets.jui
* @since 1.1.3
*/
class CJuiButton extends CJuiInputWidget
{
/**
* @var string The button type (possible types: submit, button, link, radio, checkbox, buttonset).
* "submit" is used as default.
*/
public $buttonType = 'submit';

/**
* @var string The default html tag for the buttonset
*/
public $htmlTag = 'div';
/**
* @var mixed a URL or an action route that can be used to create a URL. Used when a buttonType "link" is selected.
* See {@link normalizeUrl} for more details about how to specify this parameter.
*/
public $url = null;

/**
* @var mixed The value of the current item. Used only for "radio" and "checkbox"
*/
public $value;

/**
* @var string The button text
*/
public $caption="";
/**
* @var string The javascript function to be raised when this item is clicked (client event).
*/
public $onclick;

/**
* (non-PHPdoc)
* @see framework/zii/widgets/jui/CJuiWidget::init()
*/
public function init(){
parent::init();
if ($this->buttonType=='buttonset')
{
list($name,$id)=$this->resolveNameID();

if(isset($this->htmlOptions['id']))
$id=$this->htmlOptions['id'];
else
$this->htmlOptions['id']=$id;
if(isset($this->htmlOptions['name']))
$name=$this->htmlOptions['name'];
else
$this->htmlOptions['name']=$name;

echo CHtml::openTag($this->htmlTag, $this->htmlOptions);
}
}

/**
* (non-PHPdoc)
* @see framework/CWidget::run()
*/
public function run()
{
$cs = Yii::app()->getClientScript();
list($name,$id)=$this->resolveNameID();

if(isset($this->htmlOptions['id']))
$id=$this->htmlOptions['id'];
else
$this->htmlOptions['id']=$id;
if(isset($this->htmlOptions['name']))
$name=$this->htmlOptions['name'];
else
$this->htmlOptions['name']=$name;

if ($this->buttonType=='buttonset')
{
echo CHtml::closeTag($this->htmlTag);
$cs->registerScript(__CLASS__.'#'.$id,"jQuery('#{$id}').buttonset();");
}
else
{
switch($this->buttonType)
{
case 'submit':
echo CHtml::submitButton($this->caption, $this->htmlOptions) . "\n";
break;
case 'button':
echo CHtml::htmlButton($this->caption, $this->htmlOptions) . "\n";
break;
case 'link':
echo CHtml::link($this->caption, $this->url, $this->htmlOptions) . "\n";
break;
case 'radio':
if ($this->hasModel())
{
echo CHtml::activeRadioButton($this->model, $this->attribute, $this->htmlOptions);
echo CHtml::label($this->caption, CHtml::activeId($this->model, $this->attribute)) . "\n";
}
else
{
echo CHtml::radioButton($name, $this->value, $this->htmlOptions);
echo CHtml::label($this->caption, $id) . "\n";
}
break;
case 'checkbox':
if ($this->hasModel())
{
echo CHtml::activeCheckbox($this->model, $this->attribute, $this->htmlOptions);
echo CHtml::label($this->caption, CHtml::activeId($this->model, $this->attribute)) . "\n";
}
else
{
echo CHtml::checkbox($name, $this->value, $this->htmlOptions);
echo CHtml::label($this->caption, $id) . "\n";
}
break;
default:
throw new CException(Yii::t('zii','The button type "{type}" is not supported.',array('{type}'=>$this->buttonType)));
}

$options=empty($this->options) ? '' : CJavaScript::encode($this->options);
if($this->onclick!==null)
{
if(!($this->onclick instanceof CJavaScriptExpression))
$this->onclick=new CJavaScriptExpression($this->onclick);
$click = CJavaScript::encode($this->onclick);
$cs->registerScript(__CLASS__.'#'.$id,"jQuery('#{$id}').button($options).click($click);");
}
else
{
$cs->registerScript(__CLASS__.'#'.$id,"jQuery('#{$id}').button($options);");
}
}
}
}
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