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<?php |
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/** |
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* Wraps a special case that really only occurs when we try to |
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* generate a thumbnail from a missing image (remote and local). |
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* |
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* @author Mark Guinn <[email protected]> |
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* @date 03.03.2014 |
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* @package cloudassets |
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* @subpackage wrappers |
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*/ |
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class CloudImageMissing extends Image |
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{ |
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/** @var CloudImage */ |
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protected $source; |
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/** @var string - e.g. 1x1 */ |
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protected $dimensions; |
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/** |
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* Create a new cached image. |
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* |
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*/ |
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public function __construct($source=null, $args=null) |
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{ |
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parent::__construct(array(), false); |
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$this->ID = -1; |
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$this->Filename = CloudAssets::config()->missing_image; |
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$this->source = $source; |
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if (empty($args)) { |
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$this->dimensions = '100x100'; |
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} else { |
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switch ($args[0]) { |
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case 'SetWidth'; |
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case 'SetHeight': |
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case 'ScaleWidth': |
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case 'ScaleHeight': |
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$this->dimensions = $args[1] . 'x' . $args[1]; |
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break; |
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case 'SetSize'; |
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case 'SetRatioSize'; |
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case 'ResizedImage'; |
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case 'CroppedImage'; |
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case 'PaddedImage': |
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$this->dimensions = $args[1] . 'x' . $args[2]; |
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break; |
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default: |
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$this->dimensions = '100x100'; |
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} |
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} |
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} |
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/** |
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* @return String |
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*/ |
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public function getRelativePath() |
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{ |
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return $this->getField('Filename'); |
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} |
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/** |
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* Prevent creating new tables for the cached record |
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* |
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* @return false |
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*/ |
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public function requireTable() |
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{ |
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return false; |
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} |
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/** |
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* Prevent writing the cached image to the database, but write the store record instead |
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*/ |
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public function write($showDebug = false, $forceInsert = false, $forceWrite = false, $writeComponents = false) |
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{ |
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throw new Exception("{$this->ClassName} can not be written back to the database."); |
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} |
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/** |
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* Prevent a delete |
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*/ |
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public function delete() |
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{ |
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throw new Exception("{$this->ClassName} can not be written back to the database."); |
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} |
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/** |
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* @param string $dim - 'string' or 0 (width) or 1 (height) |
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* @return int|string |
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*/ |
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public function getDimensions($dim = "string") |
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{ |
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$val = $this->dimensions; |
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if ($dim === 'string') { |
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return $val; |
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} |
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$val = explode('x', $val); |
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return $val[$dim]; |
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} |
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} |
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markguinn /
silverstripe-cloudassets
