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<?php |
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namespace ntentan\honam\engines\php\helpers\form; |
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use ntentan\honam\TemplateRenderer; |
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/** |
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* The form element class. |
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* An element can be anything from the form itself to the elements on the form. This class provides an abstract render |
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* method that elements use to output their HTML code. Any visible element of the form must have this class as a parent. |
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*/ |
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abstract class Element |
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{ |
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use ElementFactory; |
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/** |
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* The id of the form useful for CSS styling and DOM access. |
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* |
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* @var string |
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*/ |
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protected $id = ""; |
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/** |
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* The label of the form element. |
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* |
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* @var string |
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*/ |
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protected $label = ""; |
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/** |
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* The description of the form element. |
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* |
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* @var string |
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*/ |
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protected $description = ""; |
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/** |
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* An array of all the CSS classes associated with this element. |
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* |
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* @var array |
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*/ |
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protected $classes = []; |
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/** |
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* An array of all HTML attributes. These attributes are stored as |
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* objects of the Attribute class. Attributes in this array are applied |
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* directly to the form element. |
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* |
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* @var array |
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*/ |
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protected $attributes = []; |
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/** |
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* An array of all HTML attributes. These attributes are stored as |
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* objects of the Attribute class. Attributes in this array are applied |
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* directly to the wrapper which wraps the form element. |
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* |
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* @var array |
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*/ |
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//protected $wrapperAttributes = []; |
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/** |
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* An array of all error messages associated with this element. |
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* Error messages are setup during validation, when any element |
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* fails its validation test. |
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* |
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* @var array |
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*/ |
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protected $errors = array(); |
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/** |
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* A boolean value which is set to true whenever there is an error |
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* assiciated with the field element in one way or the other. |
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* @var boolean |
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*/ |
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protected $error = false; |
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protected $name; |
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protected $hasLabel = true; |
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protected $templateRenderer; |
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public function __construct(string $label = "") |
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{ |
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$this->setLabel($label); |
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} |
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public function setId(string $id): Element |
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{ |
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$this->id = $id; |
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$this->setAttribute('id', $this->id); |
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return $this; |
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} |
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public function getId(): string |
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{ |
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return $this->id; |
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} |
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/** |
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* Public accessor for setting the name property of the field. |
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* |
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* @param string $name |
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* @return Element |
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*/ |
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public function setName($name): Element |
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{ |
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$this->name = $name; |
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return $this; |
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} |
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/** |
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* Public accessor for getting the name property of the field. |
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* |
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* @return string |
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*/ |
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public function getName(): string |
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{ |
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return $this->name; |
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} |
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/** |
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* Set a label for the form element. |
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*/ |
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public function setLabel(string $label): Element |
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{ |
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$this->label = $label; |
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return $this; |
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} |
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/** |
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* Get the label for the form element. |
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*/ |
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public function getLabel(): string |
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{ |
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return $this->label; |
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} |
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/** |
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* Gets the description which is attached to this element. The description is normally displayed under the element |
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* when rendering HTML. |
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* |
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* @return string |
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*/ |
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public function getDescription(): string |
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{ |
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return $this->description; |
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} |
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/** |
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* Sets the description which is attached to this element. The description is normally displayed under the element |
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* when rendering HTML. |
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* |
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* @return Element |
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*/ |
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public function setDescription($description): Element |
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{ |
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$this->description = $description; |
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return $this; |
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} |
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/** |
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* Returns all the arrays associated with this document. |
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* |
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* @return array |
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*/ |
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public function getErrors(): array |
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{ |
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return $this->errors; |
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} |
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public function hasError(): bool |
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{ |
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return $this->error; |
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} |
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/** |
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* Renders the form element by outputing the HTML associated with the element. This method is abstract and it is |
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* implemented by all the other classes which inherit the Element class. |
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* |
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* @return string |
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*/ |
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abstract public function render(); |
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public function __toString() |
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{ |
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return $this->templateRenderer->render("forms_layout_element.tpl.php", array('element' => $this)); |
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} |
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/** |
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* Adds an attribute to the element or its surrounding scope. |
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*/ |
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public function setAttribute(string $attribute, string $value) : Element |
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{ |
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$this->attributes[$attribute] = $value; |
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return $this; |
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} |
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/** |
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* Returns an HTML representation of all the attributes. This method is normally called when rendering the HTML for |
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* the element. |
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*/ |
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public function getAttributes() : array |
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{ |
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return $this->attributes; |
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} |
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public function getAttribute(string $attribute) : ?string |
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{ |
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return $this->attributes[$attribute] ?? null; |
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} |
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public function setErrors(array $errors) : Element |
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{ |
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$this->errors = $errors; |
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$this->error = true; |
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return $this; |
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} |
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public function setTemplateRenderer(TemplateRenderer $templateRenderer) |
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{ |
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$this->templateRenderer = $templateRenderer; |
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} |
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public function getHasLabel(): bool |
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{ |
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return $this->hasLabel; |
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} |
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} |
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