TbImageColumn.php

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<?php
Yii::import('zii.widgets.grid.CGridColumn');

class TbImageColumn extends CGridColumn
{
        public $imageOptions = array();

        public $imagePathExpression;

        public $emptyText = '';

        public $usePlaceHoldIt = false;

        public $usePlaceKitten = true;

        public $placeHoldItSize = '48x48';

        public $placeKittenSize = '48/48';

        protected function renderDataCellContent($row, $data)
        {
                $content = $this->emptyText;
                if ($this->imagePathExpression && $imagePath = $this->evaluateExpression(
                        $this->imagePathExpression,
                        array('row' => $row, 'data' => $data)
                )
                ) {
                        $this->imageOptions['src'] = $imagePath;
                        $content = CHtml::tag('img', $this->imageOptions);
                } elseif ($this->usePlaceHoldIt && !empty($this->placeHoldItSize)) {
                        $content = CHtml::tag(
                                'img',
                                array('src' => 'http://placehold.it/' . $this->placeHoldItSize)
                        );
                } elseif ($this->usePlaceKitten && !empty($this->placeKittenSize)) {
                        $content = CHtml::tag('img', array('src' => 'http://placekitten.com/' . $this->placeKittenSize));
                }
                echo $content;
        }
}