81 lines
2.2 KiB
PHP
81 lines
2.2 KiB
PHP
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<?php
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/**
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* CInputWidget class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright 2008-2013 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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/**
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* CInputWidget is the base class for widgets that collect user inputs.
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*
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* CInputWidget declares properties common among input widgets. An input widget
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* can be associated with a data model and an attribute, or a name and a value.
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* If the former, the name and the value will be generated automatically.
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* Child classes may use {@link resolveNameID} and {@link hasModel}.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package system.web.widgets
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* @since 1.0
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*/
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abstract class CInputWidget extends CWidget
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{
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/**
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* @var CModel the data model associated with this widget.
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*/
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public $model;
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/**
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* @var string the attribute associated with this widget.
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* The name can contain square brackets (e.g. 'name[1]') which is used to collect tabular data input.
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*/
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public $attribute;
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/**
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* @var string the input name. This must be set if {@link model} is not set.
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*/
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public $name;
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/**
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* @var string the input value
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*/
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public $value;
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/**
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* @var array additional HTML options to be rendered in the input tag
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*/
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public $htmlOptions=array();
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/**
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* @return array the name and the ID of the input.
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* @throws CException in case input name and ID cannot be resolved.
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*/
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protected function resolveNameID()
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{
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if($this->name!==null)
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$name=$this->name;
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elseif(isset($this->htmlOptions['name']))
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$name=$this->htmlOptions['name'];
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elseif($this->hasModel())
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$name=CHtml::activeName($this->model,$this->attribute);
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else
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throw new CException(Yii::t('yii','{class} must specify "model" and "attribute" or "name" property values.',array('{class}'=>get_class($this))));
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if(($id=$this->getId(false))===null)
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{
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if(isset($this->htmlOptions['id']))
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$id=$this->htmlOptions['id'];
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else
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$id=CHtml::getIdByName($name);
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}
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return array($name,$id);
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}
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/**
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* @return boolean whether this widget is associated with a data model.
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*/
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protected function hasModel()
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{
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return $this->model instanceof CModel && $this->attribute!==null;
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}
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}
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