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<?php
/**
* SimpleImageField provides an easy way of uploading images to {@link Image} has_one relationships.
* These relationships are auto-detected if you name the field accordingly.
* Unlike {@link ImageField}, it doesn't use an iframe.
*
* Restricts the upload size to 2MB by default, and only allows upload
* of files with the extension 'jpg', 'gif' or 'png'.
*
* <b>Usage</b>
*
* <code>
* class Article extends DataObject {
* static $has_one = array('MyImage' => 'Image');
* }
* // use in your form constructor etc.
* $myField = new SimpleImageField('MyImage');
* </code>
*
* <b>Usage within a controller</b>
*
* First add your $has_one relationship:
*
* <code>
* static $has_one = array(
* 'FileName' => 'FileType'
* );
* </code>
* (i.e. Image for a FileType)
*
* Then add your Field into your form:
*
* <code>
* function Form() {
* return new Form($this, "Form", new FieldList(
* new SimpleImageField (
* $name = "FileTypeID",
* $title = "Upload your FileType"
* )
* ), new FieldList(
*
* // List the action buttons here - doform executes the function 'doform' below
* new FormAction("doform", "Submit")
*
* // List the required fields here
* ), new RequiredFields(
* "FileTypeID"
* ));
* }
* // Then make sure that the file is saved into the assets area:
* function doform($data, $form) {
* $file = new File();
* $file->loadUploaded($_FILES['FileTypeID']);
*
* // Redirect to a page thanking people for registering
* $this->redirect('thanks-for-your-submission/');
* }
* </code>
*
* Your file should be now in the uploads directory
*
* @package forms
* @subpackage fields-files
*/
/**
* @deprecated 3.0 Use UploadField with $myField->getValidator()->setAllowedExtensions(array('jpg', 'gif', 'png'));
*/
class SimpleImageField extends FileField {
public function __construct($name, $title = null, $value = null) {
Deprecation::notice('3.0',
"SimpleImageField is deprecated. Use UploadField with "
. "\$myField->getValidator()->setAllowedExtensions(array('jpg', 'gif', 'png'))",
Deprecation::SCOPE_CLASS);
if(count(func_get_args()) > 3) {
Deprecation::notice('3.0', 'Use setRightTitle() and setFolderName() instead of constructor arguments',
Deprecation::SCOPE_GLOBAL);
}
parent::__construct($name, $title, $value);
$this->getValidator()->setAllowedExtensions(array('jpg','gif','png'));
}
public function Field($properties = array()) {
if($this->form) $record = $this->form->getRecord();
$fieldName = $this->name;
if(isset($record)&&$record) {
$imageField = $record->$fieldName();
} else {
$imageField = "";
}
$html = "<div class=\"simpleimage\">";
if($imageField && $imageField->exists()) {
$html .= '<div class="thumbnail">';
if($imageField->hasMethod('Thumbnail') && $imageField->Thumbnail()) {
$html .= "<img src=\"".$imageField->Thumbnail()->getURL()."\" />";
} else if($imageField->CMSThumbnail()) {
$html .= "<img src=\"".$imageField->CMSThumbnail()->getURL()."\" />";
}
$html .= '</div>';
}
$html .= $this->createTag("input",
array(
"type" => "file",
"name" => $this->name,
"id" => $this->id(),
"tabindex" => $this->getAttribute('tabindex'),
'disabled' => $this->disabled
)
);
$html .= $this->createTag("input",
array(
"type" => "hidden",
"name" => "MAX_FILE_SIZE",
"value" => $this->getValidator()->getAllowedMaxFileSize(),
"tabindex" => $this->getAttribute('tabindex'),
)
);
$html .= "</div>";
return $html;
}
/**
* Returns a readonly version of this field
*/
public function performReadonlyTransformation() {
$field = new SimpleImageField_Disabled($this->name, $this->title, $this->value);
$field->setForm($this->form);
$field->setReadonly(true);
return $field;
}
}
/**
* Disabled version of {@link SimpleImageField}.
* @package forms
* @subpackage fields-files
*/
class SimpleImageField_Disabled extends FormField {
protected $disabled = true;
protected $readonly = true;
public function Field($properties = array()) {
$record = $this->form->getRecord();
$fieldName = $this->name;
$field = "<div class=\"simpleimage\">";
if($this->value) {
// Only the case for DataDifferencer
$field .= $this->value;
} else {
if($record) $imageField = $record->$fieldName();
if($imageField && $imageField->exists()) {
if($imageField->hasMethod('Thumbnail')) $field .= "<img src=\"".$imageField->Thumbnail()->URL."\" />";
elseif($imageField->CMSThumbnail()) $field .= "<img src=\"".$imageField->CMSThumbnail()->URL."\" />";
else {} // This shouldn't be called but it sometimes is for some reason, so we don't do anything
}else{
$field .= "<label>" . _t('SimpleImageField.NOUPLOAD', 'No Image Uploaded') . "</label>";
}
}
$field .= "</div>";
return $field;
}
}
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