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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\grid; |
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use Closure; |
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use yii\base\Object; |
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use yii\helpers\Html; |
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/** |
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* Column is the base class of all [[GridView]] column classes. |
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* |
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* For more details and usage information on Column, see the [guide article on data widgets](guide:output-data-widgets). |
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* |
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* @author Qiang Xue <[email protected]> |
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* @since 2.0 |
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*/ |
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class Column extends Object |
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{ |
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/** |
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* @var GridView the grid view object that owns this column. |
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*/ |
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public $grid; |
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/** |
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* @var string the header cell content. Note that it will not be HTML-encoded. |
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*/ |
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public $header; |
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/** |
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* @var string the footer cell content. Note that it will not be HTML-encoded. |
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*/ |
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public $footer; |
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/** |
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* @var callable This is a callable that will be used to generate the content of each cell. |
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* The signature of the function should be the following: `function ($model, $key, $index, $column)`. |
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* Where `$model`, `$key`, and `$index` refer to the model, key and index of the row currently being rendered |
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* and `$column` is a reference to the [[Column]] object. |
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*/ |
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public $content; |
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/** |
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* @var bool whether this column is visible. Defaults to true. |
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*/ |
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public $visible = true; |
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/** |
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* @var array the HTML attributes for the column group tag. |
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* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. |
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*/ |
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public $options = []; |
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/** |
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* @var array the HTML attributes for the header cell tag. |
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* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. |
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*/ |
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public $headerOptions = []; |
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/** |
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* @var array|\Closure the HTML attributes for the data cell tag. This can either be an array of |
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* attributes or an anonymous function ([[Closure]]) that returns such an array. |
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* The signature of the function should be the following: `function ($model, $key, $index, $column)`. |
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* Where `$model`, `$key`, and `$index` refer to the model, key and index of the row currently being rendered |
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* and `$column` is a reference to the [[Column]] object. |
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* A function may be used to assign different attributes to different rows based on the data in that row. |
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* |
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* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. |
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*/ |
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public $contentOptions = []; |
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/** |
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* @var array the HTML attributes for the footer cell tag. |
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* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. |
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*/ |
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public $footerOptions = []; |
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/** |
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* @var array the HTML attributes for the filter cell tag. |
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* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. |
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*/ |
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public $filterOptions = []; |
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/** |
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* Renders the header cell. |
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*/ |
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public function renderHeaderCell() |
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{ |
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return Html::tag('th', $this->renderHeaderCellContent(), $this->headerOptions); |
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} |
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/** |
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* Renders the footer cell. |
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*/ |
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public function renderFooterCell() |
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{ |
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return Html::tag('td', $this->renderFooterCellContent(), $this->footerOptions); |
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} |
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/** |
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* Renders a data cell. |
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* @param mixed $model the data model being rendered |
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* @param mixed $key the key associated with the data model |
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* @param int $index the zero-based index of the data item among the item array returned by [[GridView::dataProvider]]. |
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* @return string the rendering result |
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*/ |
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public function renderDataCell($model, $key, $index) |
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{ |
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if ($this->contentOptions instanceof Closure) { |
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$options = call_user_func($this->contentOptions, $model, $key, $index, $this); |
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} else { |
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$options = $this->contentOptions; |
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} |
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return Html::tag('td', $this->renderDataCellContent($model, $key, $index), $options); |
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} |
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/** |
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* Renders the filter cell. |
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*/ |
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public function renderFilterCell() |
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{ |
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return Html::tag('td', $this->renderFilterCellContent(), $this->filterOptions); |
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} |
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/** |
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* Renders the header cell content. |
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* The default implementation simply renders [[header]]. |
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* This method may be overridden to customize the rendering of the header cell. |
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* @return string the rendering result |
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*/ |
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protected function renderHeaderCellContent() |
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{ |
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return trim($this->header) !== '' ? $this->header : $this->getHeaderCellLabel(); |
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} |
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/** |
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* Returns header cell label. |
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* This method may be overridden to customize the label of the header cell. |
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* @return string label |
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* @since 2.0.8 |
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*/ |
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protected function getHeaderCellLabel() |
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{ |
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return $this->grid->emptyCell; |
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} |
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/** |
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* Renders the footer cell content. |
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* The default implementation simply renders [[footer]]. |
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* This method may be overridden to customize the rendering of the footer cell. |
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* @return string the rendering result |
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*/ |
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protected function renderFooterCellContent() |
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{ |
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return trim($this->footer) !== '' ? $this->footer : $this->grid->emptyCell; |
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} |
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/** |
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* Renders the data cell content. |
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* @param mixed $model the data model |
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* @param mixed $key the key associated with the data model |
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* @param int $index the zero-based index of the data model among the models array returned by [[GridView::dataProvider]]. |
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* @return string the rendering result |
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*/ |
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protected function renderDataCellContent($model, $key, $index) |
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{ |
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if ($this->content !== null) { |
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return call_user_func($this->content, $model, $key, $index, $this); |
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} else { |
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return $this->grid->emptyCell; |
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} |
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} |
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/** |
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* Renders the filter cell content. |
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* The default implementation simply renders a space. |
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* This method may be overridden to customize the rendering of the filter cell (if any). |
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* @return string the rendering result |
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*/ |
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protected function renderFilterCellContent() |
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{ |
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return $this->grid->emptyCell; |
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} |
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} |
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rob006 /
yii2-dev
