259 lines
9.8 KiB
PHP
259 lines
9.8 KiB
PHP
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<?php
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/**
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* CDetailView 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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* CDetailView displays the detail of a single data model.
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*
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* CDetailView is best used for displaying a model in a regular format (e.g. each model attribute
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* is displayed as a row in a table.) The model can be either an instance of {@link CModel}
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* or an associative array.
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*
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* CDetailView uses the {@link attributes} property to determines which model attributes
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* should be displayed and how they should be formatted.
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*
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* A typical usage of CDetailView is as follows:
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* <pre>
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* $this->widget('zii.widgets.CDetailView', array(
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* 'data'=>$model,
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* 'attributes'=>array(
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* 'title', // title attribute (in plain text)
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* 'owner.name', // an attribute of the related object "owner"
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* 'description:html', // description attribute in HTML
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* array( // related city displayed as a link
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* 'label'=>'City',
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* 'type'=>'raw',
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* 'value'=>CHtml::link(CHtml::encode($model->city->name),
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* array('city/view','id'=>$model->city->id)),
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* ),
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* ),
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* ));
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* </pre>
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*
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* @property CFormatter $formatter The formatter instance. Defaults to the 'format' application component.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package zii.widgets
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* @since 1.1
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*/
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class CDetailView extends CWidget
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{
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private $_formatter;
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/**
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* @var mixed the data model whose details are to be displayed. This can be either a {@link CModel} instance
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* (e.g. a {@link CActiveRecord} object or a {@link CFormModel} object) or an associative array.
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*/
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public $data;
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/**
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* @var array a list of attributes to be displayed in the detail view. Each array element
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* represents the specification for displaying one particular attribute.
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*
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* An attribute can be specified as a string in the format of "Name:Type:Label".
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* Both "Type" and "Label" are optional.
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*
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* "Name" refers to the attribute name. It can be either a property (e.g. "title") or a sub-property (e.g. "owner.username").
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*
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* "Label" represents the label for the attribute display. If it is not given, "Name" will be used to generate the appropriate label.
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*
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* "Type" represents the type of the attribute. It determines how the attribute value should be formatted and displayed.
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* It is defaulted to be 'text'.
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* "Type" should be recognizable by the {@link formatter}. In particular, if "Type" is "xyz", then the "formatXyz" method
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* of {@link formatter} will be invoked to format the attribute value for display. By default when {@link CFormatter} is used,
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* these "Type" values are valid: raw, text, ntext, html, date, time, datetime, boolean, number, email, image, url.
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* For more details about these types, please refer to {@link CFormatter}.
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*
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* An attribute can also be specified in terms of an array with the following elements:
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* <ul>
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* <li>label: the label associated with the attribute. If this is not specified, the following "name" element
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* will be used to generate an appropriate label.</li>
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* <li>name: the name of the attribute. This can be either a property or a sub-property of the model.
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* If the below "value" element is specified, this will be ignored.</li>
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* <li>value: the value to be displayed. If this is not specified, the above "name" element will be used
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* to retrieve the corresponding attribute value for display. Note that this value will be formatted according
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* to the "type" option as described below.</li>
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* <li>type: the type of the attribute that determines how the attribute value would be formatted.
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* Please see above for possible values.
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* <li>cssClass: the CSS class to be used for this item. This option is available since version 1.1.3.</li>
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* <li>template: the template used to render the attribute. If this is not specified, {@link itemTemplate}
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* will be used instead. For more details on how to set this option, please refer to {@link itemTemplate}.
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* This option is available since version 1.1.1.</li>
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* <li>visible: whether the attribute is visible. If set to <code>false</code>, the table row for the attribute will not be rendered.
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* This option is available since version 1.1.5.</li>
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* </ul>
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*/
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public $attributes;
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/**
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* @var string the text to be displayed when an attribute value is null. Defaults to "Not set".
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*/
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public $nullDisplay;
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/**
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* @var string the name of the tag for rendering the detail view. Defaults to 'table'.
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* If set to null, no tag will be rendered.
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* @see itemTemplate
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*/
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public $tagName='table';
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/**
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* @var string the template used to render a single attribute. Defaults to a table row.
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* These tokens are recognized: "{class}", "{label}" and "{value}". They will be replaced
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* with the CSS class name for the item, the label and the attribute value, respectively.
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* @see itemCssClass
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*/
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public $itemTemplate="<tr class=\"{class}\"><th>{label}</th><td>{value}</td></tr>\n";
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/**
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* @var array the CSS class names for the items displaying attribute values. If multiple CSS class names are given,
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* they will be assigned to the items sequentially and repeatedly.
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* Defaults to <code>array('odd', 'even')</code>.
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*/
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public $itemCssClass=array('odd','even');
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/**
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* @var array the HTML options used for {@link tagName}
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*/
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public $htmlOptions=array('class'=>'detail-view');
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/**
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* @var string the base script URL for all detail view resources (e.g. javascript, CSS file, images).
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* Defaults to null, meaning using the integrated detail view resources (which are published as assets).
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*/
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public $baseScriptUrl;
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/**
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* @var string the URL of the CSS file used by this detail view. Defaults to null, meaning using the integrated
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* CSS file. If this is set false, you are responsible to explicitly include the necessary CSS file in your page.
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*/
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public $cssFile;
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/**
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* Initializes the detail view.
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* This method will initialize required property values.
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*/
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public function init()
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{
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if($this->data===null)
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throw new CException(Yii::t('zii','Please specify the "data" property.'));
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if($this->attributes===null)
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{
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if($this->data instanceof CModel)
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$this->attributes=$this->data->attributeNames();
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elseif(is_array($this->data))
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$this->attributes=array_keys($this->data);
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else
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throw new CException(Yii::t('zii','Please specify the "attributes" property.'));
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}
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if($this->nullDisplay===null)
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$this->nullDisplay='<span class="null">'.Yii::t('zii','Not set').'</span>';
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if(isset($this->htmlOptions['id']))
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$this->id=$this->htmlOptions['id'];
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else
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$this->htmlOptions['id']=$this->id;
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if($this->baseScriptUrl===null)
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$this->baseScriptUrl=Yii::app()->getAssetManager()->publish(Yii::getPathOfAlias('zii.widgets.assets')).'/detailview';
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if($this->cssFile!==false)
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{
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if($this->cssFile===null)
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$this->cssFile=$this->baseScriptUrl.'/styles.css';
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Yii::app()->getClientScript()->registerCssFile($this->cssFile);
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}
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}
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/**
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* Renders the detail view.
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* This is the main entry of the whole detail view rendering.
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*/
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public function run()
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{
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$formatter=$this->getFormatter();
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if ($this->tagName!==null)
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echo CHtml::openTag($this->tagName,$this->htmlOptions);
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$i=0;
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$n=is_array($this->itemCssClass) ? count($this->itemCssClass) : 0;
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foreach($this->attributes as $attribute)
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{
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if(is_string($attribute))
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{
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if(!preg_match('/^([\w\.]+)(:(\w*))?(:(.*))?$/',$attribute,$matches))
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throw new CException(Yii::t('zii','The attribute must be specified in the format of "Name:Type:Label", where "Type" and "Label" are optional.'));
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$attribute=array(
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'name'=>$matches[1],
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'type'=>isset($matches[3]) ? $matches[3] : 'text',
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);
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if(isset($matches[5]))
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$attribute['label']=$matches[5];
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}
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if(isset($attribute['visible']) && !$attribute['visible'])
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continue;
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$tr=array('{label}'=>'', '{class}'=>$n ? $this->itemCssClass[$i%$n] : '');
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if(isset($attribute['cssClass']))
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$tr['{class}']=$attribute['cssClass'].' '.($n ? $tr['{class}'] : '');
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if(isset($attribute['label']))
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$tr['{label}']=$attribute['label'];
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elseif(isset($attribute['name']))
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{
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if($this->data instanceof CModel)
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$tr['{label}']=$this->data->getAttributeLabel($attribute['name']);
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else
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$tr['{label}']=ucwords(trim(strtolower(str_replace(array('-','_','.'),' ',preg_replace('/(?<![A-Z])[A-Z]/', ' \0', $attribute['name'])))));
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}
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if(!isset($attribute['type']))
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$attribute['type']='text';
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if(isset($attribute['value']))
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$value=is_callable($attribute['value']) ? call_user_func($attribute['value'],$this->data) : $attribute['value'];
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elseif(isset($attribute['name']))
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$value=CHtml::value($this->data,$attribute['name']);
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else
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$value=null;
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$tr['{value}']=$value===null ? $this->nullDisplay : $formatter->format($value,$attribute['type']);
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$this->renderItem($attribute, $tr);
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$i++;
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}
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if ($this->tagName!==null)
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echo CHtml::closeTag($this->tagName);
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}
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/**
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* This method is used by run() to render item row
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*
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* @param array $options config options for this item/attribute from {@link attributes}
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* @param string $templateData data that will be inserted into {@link itemTemplate}
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* @since 1.1.11
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*/
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protected function renderItem($options,$templateData)
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{
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echo strtr(isset($options['template']) ? $options['template'] : $this->itemTemplate,$templateData);
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}
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/**
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* @return CFormatter the formatter instance. Defaults to the 'format' application component.
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*/
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public function getFormatter()
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{
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if($this->_formatter===null)
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$this->_formatter=Yii::app()->format;
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return $this->_formatter;
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}
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/**
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* @param CFormatter $value the formatter instance
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*/
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public function setFormatter($value)
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{
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$this->_formatter=$value;
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}
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}
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