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<?php |
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/** |
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* Read-only field to display a non-editable value with a label. |
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* Consider using an {@link LabelField} if you just need a label-less |
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* value display. |
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* |
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* @package forms |
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* @subpackage fields-basic |
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*/ |
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class ReadonlyField extends FormField { |
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protected $readonly = true; |
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/** |
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* Include a hidden field in the HTML for the readonly field |
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* @var boolean |
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*/ |
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protected $includeHiddenField = false; |
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protected $schemaDataType = FormField::SCHEMA_DATA_TYPE_TEXT; |
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/** |
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* If true, a hidden field will be included in the HTML for the readonly field. |
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* |
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* This can be useful if you need to pass the data through on the form submission, as |
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* long as it's okay than an attacker could change the data before it's submitted. |
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* |
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* This is disabled by default as it can introduce security holes if the data is not |
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* allowed to be modified by the user. |
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* |
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* @param boolean $includeHiddenField |
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*/ |
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public function setIncludeHiddenField($includeHiddenField) { |
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$this->includeHiddenField = $includeHiddenField; |
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} |
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public function performReadonlyTransformation() { |
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return clone $this; |
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} |
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/** |
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* @param array $properties |
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* @return string |
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*/ |
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public function Field($properties = array()) { |
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// Include a hidden field in the HTML |
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if($this->includeHiddenField && $this->readonly) { |
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$hidden = clone $this; |
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$hidden->setReadonly(false); |
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return parent::Field($properties) . $hidden->Field($properties); |
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} else { |
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return parent::Field($properties); |
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} |
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} |
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public function getAttributes() { |
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return array_merge( |
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parent::getAttributes(), |
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array( |
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'type' => 'hidden', |
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'value' => $this->readonly ? null : $this->value, |
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) |
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); |
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} |
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public function Type() { |
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return 'readonly'; |
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} |
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public function castingHelper($field) { |
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// Get dynamic cast for 'Value' field |
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if(strcasecmp($field, 'Value') === 0) { |
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return $this->getValueCast(); |
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} |
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// Fall back to default casting |
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return parent::castingHelper($field); |
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} |
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/** |
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* If $dontEscape is true the returned value will be plain text |
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* and should be escaped in templates via .XML |
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* |
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* If $dontEscape is false the returned value will be safely encoded, |
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* but should not be escaped by the frontend. |
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* |
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* @return mixed|string |
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*/ |
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public function Value() { |
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// Get raw value |
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$value = $this->dataValue(); |
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if($value) { |
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return $value; |
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} |
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// "none" text |
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$label = _t('FormField.NONE', 'none'); |
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return "<i>('{$label}')</i>"; |
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} |
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/** |
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* Get custom cating helper for Value() field |
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* |
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* @return string |
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*/ |
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public function getValueCast() { |
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// Casting class for 'none' text |
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$value = $this->dataValue(); |
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if(empty($value)) { |
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return 'HTMLFragment'; |
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} |
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// Use default casting |
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return $this->config()->casting['Value']; |
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} |
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} |
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silverstripe /
silverstripe-framework
