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<?php |
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declare(strict_types=1); |
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namespace Plaisio\Helper; |
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use SetBased\Exception\LogicException; |
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/** |
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* Parent class for HTML elements. |
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* |
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* This class should be used for generation "heavy" HTML elements only. For light weight elements use methods of |
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* {@link \Plaisio\Helper\Html}. |
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* |
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* #### Global Attributes |
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* This class defines methods for getting attributes and setting |
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* [global attributes](http://www.w3schools.com/tags/ref_standardattributes.asp) only. |
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* |
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* Unless stated otherwise setting an attribute to null, false, or '' will unset the attribute. |
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* |
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* #### Event Attributes |
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* This class does not define methods for setting event attributes. Events handlers must be set with JavaScript. |
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*/ |
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class HtmlElement |
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{ |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* The attributes of this HTML element. |
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* |
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* @var array |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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protected $attributes = []; |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Adds a class to the list of classes. |
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* |
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* @param string|null $class The class. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function addClass(?string $class): void |
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{ |
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// If class is empty return immediately. |
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if ($class===null || $class==='') return; |
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if (isset($this->attributes['class'])) |
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{ |
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$this->attributes['class'] .= ' '; |
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$this->attributes['class'] .= $class; |
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} |
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else |
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{ |
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$this->attributes['class'] = $class; |
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} |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Returns the value of an attribute. |
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* |
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* @param string $attributeName The name of the attribute. |
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* |
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* @return mixed |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function getAttribute(string $attributeName) |
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{ |
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return $this->attributes[$attributeName] ?? null; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Removes a class from the list of classes. |
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* |
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* @param string|null $class The class to be removed. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function removeClass(?string $class): void |
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{ |
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// If class is empty or no classes are set return immediately. |
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if ($class===null || $class==='' || !isset($this->attributes['class'])) return; |
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// Remove the class from the list of classes. |
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$this->attributes['class'] = implode(' ', array_diff(explode(' ', $this->attributes['class']), [$class])); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [accesskey](http://www.w3schools.com/tags/att_global_accesskey.asp). |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrAccessKey(?string $value): void |
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{ |
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$this->attributes['accesskey'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets a [aria](http://w3c.github.io/html/infrastructure.html#element-attrdef-aria-aria) attribute. |
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* |
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* @param string $name The name of the attribute (without 'aria-'). |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.3.0 |
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* @api |
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*/ |
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public function setAttrAria(string $name, ?string $value): void |
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{ |
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$this->attributes['aria-'.$name] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [class](https://www.w3schools.com/tags/att_global_class.asp). |
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* |
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* @param string|null $value The class or classes. Any value set by {@link addClass} will be overwritten. |
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* |
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* @since 1.4.0 |
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* @api |
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*/ |
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public function setAttrClass(?string $value): void |
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{ |
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$this->attributes['class'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [contenteditable](http://www.w3schools.com/tags/att_global_contenteditable.asp). |
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* <ul> |
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* <li> Any value that evaluates to true will set the attribute to 'true'. |
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* <li> Any value that evaluates to false will set the attribute to 'false'. |
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* <li> Null will unset the attribute. |
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* </ul> |
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* |
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* @param mixed $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrContentEditable(?string $value): void |
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{ |
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$this->attributes['contenteditable'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [contextmenu](http://www.w3schools.com/tags/att_global_contextmenu.asp). |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrContextMenu(?string $value): void |
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{ |
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$this->attributes['contextmenu'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets a [data](http://www.w3schools.com/tags/att_global_data.asp) attribute. |
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* |
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* @param string $name The name of the attribute (without 'data-'). |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrData(string $name, ?string $value): void |
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{ |
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$this->attributes['data-'.$name] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [dir](http://www.w3schools.com/tags/att_global_dir.asp). Possible values: |
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* <ul> |
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* <li> ltr |
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* <li> rtl |
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* <li> auto |
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* </ul> |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrDir(?string $value): void |
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{ |
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$this->attributes['dir'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [draggable](http://www.w3schools.com/tags/att_global_draggable.asp). Possible values: |
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* <ul> |
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* <li> true |
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* <li> false |
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* <li> auto |
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* </ul> |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrDraggable(?string $value): void |
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{ |
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$this->attributes['draggable'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [dropzone](http://www.w3schools.com/tags/att_global_dropzone.asp). |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrDropZone(?string $value): void |
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{ |
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$this->attributes['dropzone'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [hidden](http://www.w3schools.com/tags/att_global_hidden.asp). |
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* This is a boolean attribute. Any none [empty](http://php.net/manual/function.empty.php) value will set the |
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* attribute to 'hidden'. Any other value will unset the attribute. |
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* |
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* @param mixed $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrHidden(?string $value): void |
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{ |
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$this->attributes['hidden'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [id](http://www.w3schools.com/tags/att_global_id.asp). |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrId(?string $value): void |
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{ |
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$this->attributes['id'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [lang](http://www.w3schools.com/tags/att_global_lang.asp). |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrLang(?string $value): void |
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{ |
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$this->attributes['lang'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [role](http://w3c.github.io/html/infrastructure.html#element-attrdef-aria-role). |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.3.0 |
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* @api |
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*/ |
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public function setAttrRole(?string $value): void |
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{ |
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$this->attributes['role'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [spellcheck](http://www.w3schools.com/tags/att_global_spellcheck.asp). |
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* <ul> |
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* <li> Any value that evaluates to true will set the attribute to 'true'. |
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* <li> Any value that evaluates to false will set the attribute to 'false'. |
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* <li> Null will unset the attribute. |
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* <ul> |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrSpellCheck(?string $value): void |
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{ |
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$this->attributes['spellcheck'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [style](http://www.w3schools.com/tags/att_global_style.asp) |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrStyle(?string $value): void |
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{ |
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$this->attributes['style'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [tabindex](http://www.w3schools.com/tags/att_global_tabindex.asp). |
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* |
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* @param int|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrTabIndex(?int $value): void |
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{ |
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$this->attributes['tabindex'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [title](http://www.w3schools.com/tags/att_global_title.asp). |
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* |
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* @param string|null $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrTitle(?string $value): void |
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{ |
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$this->attributes['title'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets the attribute [translate](http://www.w3schools.com/tags/att_global_translate.asp). |
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* <ul> |
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* <li> Any value that evaluates to true will set the attribute to 'yes'. |
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* <li> Any value that evaluates to false will set the attribute to 'no'. |
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* <li> Null will unset the attribute. |
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* </ul> |
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* |
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* @param mixed $value The attribute value. |
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* |
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* @since 1.0.0 |
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* @api |
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*/ |
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public function setAttrTranslate(?string $value): void |
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{ |
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$this->attributes['translate'] = $value; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Sets a fake attribute. A fake attribute has a name that starts with an underscore. Fake attributes will not be |
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* included in the generated HTML code. |
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* |
381
|
|
|
* @param string $name The name of the fake attribute. |
382
|
|
|
* @param mixed $value The value of the fake attribute. |
383
|
|
|
* |
384
|
|
|
* @since 1.0.0 |
385
|
|
|
* @api |
386
|
|
|
*/ |
387
|
2 |
|
public function setFakeAttribute(string $name, $value): void |
388
|
|
|
{ |
389
|
2 |
|
if (strpos($name, '_')!==0) |
390
|
|
|
{ |
391
|
1 |
|
throw new LogicException("Attribute '%s' is not a valid fake attribute.", $name); |
392
|
|
|
} |
393
|
|
|
|
394
|
1 |
|
$this->attributes[$name] = $value; |
395
|
1 |
|
} |
396
|
|
|
|
397
|
|
|
//-------------------------------------------------------------------------------------------------------------------- |
398
|
|
|
/** |
399
|
|
|
* Removes all classes for the list of classes. |
400
|
|
|
* |
401
|
|
|
* @since 1.0.0 |
402
|
|
|
* @api |
403
|
|
|
*/ |
404
|
1 |
|
public function unsetClass(): void |
405
|
|
|
{ |
406
|
1 |
|
unset($this->attributes['class']); |
407
|
1 |
|
} |
408
|
|
|
|
409
|
|
|
//-------------------------------------------------------------------------------------------------------------------- |
410
|
|
|
} |
411
|
|
|
|
412
|
|
|
//---------------------------------------------------------------------------------------------------------------------- |
413
|
|
|
|