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<?php |
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/** |
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* Implementation of virtual widget. |
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* |
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* @package categoryposts. |
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* |
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* @since 4.7 |
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*/ |
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|
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namespace categoryPosts; |
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|
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// Don't call the file directly. |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* Class that represent a virtual widget. Each widget being created will have relevant |
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* CSS output in the header, but still requires a call for getHTML method or renderHTML |
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* to get or output the HTML |
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* |
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* @since 4.7 |
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*/ |
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class Virtual_Widget { |
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|
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/** |
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* A container for all the "active" objects |
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* |
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* @var Array |
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* |
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* @since 4.7 |
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*/ |
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private static $collection = array(); |
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|
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/** |
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* The identifier use as the id of the root html element when the HTML is generated. |
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* |
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* @var string |
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* |
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* @since 4.7 |
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*/ |
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private $id; |
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|
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/** |
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* The class name to be use us the class attribute on the root html element. |
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* |
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* @var string |
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* |
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* @since 4.7 |
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*/ |
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private $class; |
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|
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/** |
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* Construct the virtual widget. This should happen before wp_head action with priority |
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* 10 is executed if any CSS output should be generated. |
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* |
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* @param string $id The identifier use as the id of the root html element when the HTML |
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* is generated. |
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* |
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* @param string $class The class name to be use us the class attribute on the root html element. |
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* |
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* @param array $args The setting to be applied to the widget. |
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* |
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* @since 4.7 |
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*/ |
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public function __construct( $id, $class, $args ) { |
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$this->id = $id; |
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$this->class = $class; |
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self::$collection[ $id ] = upgrade_settings( $args ); |
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} |
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|
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/** |
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* Do what ever cleanup needed when the object is destroyed. |
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* |
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* @since 4.7 |
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*/ |
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public function __destruct() { |
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unset( self::$collection[ $this->id ] ); |
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} |
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|
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/** |
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* Return the HTML of the widget as is generated based on the settings passed at construction time |
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* |
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* @return string |
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* |
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* @since 4.7 |
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*/ |
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public function getHTML() { |
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|
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$widget = new Widget(); |
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$widget->number = $this->id; // needed to make a unique id for the widget html element. |
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ob_start(); |
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$args = self::$collection[ $this->id ]; |
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$args['is_shortcode'] = true; // indicate that we are doing shortcode processing to outputting funtions. |
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$widget->widget( |
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array( |
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'before_widget' => '', |
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'after_widget' => '', |
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'before_title' => '', |
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'after_title' => '', |
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), |
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$args |
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); |
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$ret = ob_get_clean(); |
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$ret = '<div id="' . esc_attr( $this->id ) . '" class="' . esc_attr( $this->class ) . '">' . $ret . '</div>'; |
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return $ret; |
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} |
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|
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/** |
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* Get an array of HTML pre item, for item starting from a specific position. |
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* |
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* @since 4.9 |
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* |
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* @param int $start The start element (0 based). |
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* @param int $number The maximal number of elements to return. A value of 0 |
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* Indicates to use the widget settings for that. |
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* @param string $context The ID of the post in which the items will be displayed. |
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* A empty string or any value which is not of an ID |
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* of actual post will be treated as if there is no context. |
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* |
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* @return string[] Array of HTML per element with the $start element first |
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* $start+1 next etc. An empty array is returned if there |
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* are no applicable items. |
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*/ |
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public function get_elements_HTML( $start, $number, $context ) { |
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$ret = array(); |
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|
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$widget = new Widget(); |
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$widget->number = $this->id; // needed to make a unique id for the widget html element. |
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|
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$ret = $widget->get_elements_HTML( self::$collection[ $this->id ], $context, $start, $number ); |
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return $ret; |
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} |
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|
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/** |
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* Output the widget HTML |
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* |
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* Just a wrapper that output getHTML |
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* |
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* @return void |
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* |
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* @since 4.7 |
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*/ |
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public function renderHTML() { |
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echo $this->getHTML(); // Xss off. Raw HTML is generated elsewhre. |
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} |
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|
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/** |
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* Calculate the CSS rules required for the widget as is generated based on the settings passed at construction time |
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* |
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* @param string $context One of the CONTEXT_* constants. For backward compatibility |
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* a bool is accepted as well, true being a shortcode and |
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* false a widget. |
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* @param array $rules "returned" Collection of CSS rules. |
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* |
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* @since 4.7 |
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*/ |
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public function getCSSRules( $context, &$rules ) { |
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|
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if ( is_bool( $context ) ) { // Signature used before 5.0.0. |
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$context = $context ? CONTEXT_SHORTCODE : CONTEXT_WIDGET; |
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} |
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|
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$is_shortcode = ( CONTEXT_SHORTCODE === $context ); |
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|
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$ret = array(); |
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$settings = self::$collection[ $this->id ]; |
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$everything_is_link = isset( $settings['everything_is_link'] ) && $settings['everything_is_link']; |
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|
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$widget_id = $this->id; |
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if ( CONTEXT_WIDGET === $context ) { |
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$widget_id .= '-internal'; |
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} |
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$disable_css = isset( $settings['disable_css'] ) && $settings['disable_css']; |
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|
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if ( ! $disable_css ) { // checks if css disable is not set. |
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|
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$styles = array( // styles that should be applied to all widgets. |
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'normalize' => 'ul {padding: 0;}', |
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'thumb_clenup' => '.cat-post-item img {max-width: initial; max-height: initial; margin: initial;}', |
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'author_clenup' => '.cat-post-author {margin-bottom: 0;}', |
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'thumb' => '.cat-post-thumbnail {margin: 5px 10px 5px 0;}', |
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'item_clenup' => '.cat-post-item:before {content: ""; clear: both;}', |
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'more_link' => '.cat-post-excerpt-more {display: inline-block;}', |
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'item_style' => '.cat-post-item {list-style: none; margin: 3px 0 10px; padding: 3px 0;}', |
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); |
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|
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if ( ! ( isset( $settings['disable_font_styles'] ) && $settings['disable_font_styles'] ) ) { // checks if disable font styles is not set. |
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// add general styles which apply to font styling. |
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$styles['current_title_font'] = '.cat-post-current .cat-post-title {font-weight: bold; text-transform: uppercase;}'; |
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$styles['post-taxs'] = '[class*=cat-post-tax] {font-size: 0.85em;}'; |
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$styles['post-tax-childs'] = '[class*=cat-post-tax] * {display:inline-block;}'; |
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} |
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|
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// everything link related styling |
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// if we are dealing with "everything is a link" option, we need to add the clear:both to the a element, not the div. |
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if ( $everything_is_link ) { |
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$styles['after_item'] = '.cat-post-item a:after {content: ""; display: table; clear: both;}'; |
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} else { |
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$styles['after_item'] = '.cat-post-item:after {content: ""; display: table; clear: both;}'; |
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} |
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|
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// title height in lines. |
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if ( isset( $settings['template'] ) && preg_match( '/%title%/', $settings['template'] ) ) { |
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$styles['item_title_lines'] = '.cat-post-item .cat-post-title {overflow: hidden;text-overflow: ellipsis;white-space: initial;' . |
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'display: -webkit-box;-webkit-line-clamp: ' . intval( $settings['item_title_lines'] ) . ';-webkit-box-orient: vertical;padding-bottom: 0 !important;}'; |
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} |
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|
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// wrap text around image. |
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if ( isset( $settings['template'] ) && preg_match( '/%excerpt%/', $settings['template'] ) ) { |
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$selector_wrap_text = 'p.cpwp-excerpt-text'; |
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$no_wrap = isset( $settings['text_do_not_wrap_thumb'] ) && $settings['text_do_not_wrap_thumb']; |
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if ( ! $no_wrap ) { |
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// wrap thumb and line-clamp: set the CSS two parent knotes higher (first parent for float, second parent is a browser hack for that float works well). |
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$styles['wrap_thumb'] = '.cpwp-wrap-text p {display: inline;}'; |
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$selector_wrap_text = '.cpwp-wrap-text'; |
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} |
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$styles['excerpt_lines'] = '.cat-post-item ' . $selector_wrap_text . ' {overflow: hidden;text-overflow: ellipsis;white-space: initial;' . |
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'display: -webkit-box;-webkit-line-clamp: ' . intval( $settings['excerpt_lines'] ) . ';-webkit-box-orient: vertical;padding-bottom: 0 !important;}'; |
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// float text instead wrap and don't hide the excerpt if there is no space |
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$styles['float_min_nowrap'] = 'p.cpwp-excerpt-text {min-width: 120px;}'; |
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} |
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|
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// add post format css if needed. |
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if ( isset( $settings['template'] ) && preg_match( '/%thumb%/', $settings['template'] ) ) { |
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if ( ! isset( $settings['show_post_format'] ) || ( ( 'none' !== $settings['show_post_format'] ) && ( 'nocss' !== $settings['show_post_format'] ) ) ) { |
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static $fonts_added = false; |
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if ( ! $fonts_added ) { |
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$fonturl = esc_url( plugins_url( 'icons/font', __FILE__ ) ); |
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$ret['post_format_font'] = "@font-face {\n" . |
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"font-family: 'cat_post';\n" . |
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"src: url('$fonturl/cat_post.eot?58348147');\n" . |
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"src: url('$fonturl/cat_post.eot?58348147#iefix') format('embedded-opentype'),\n" . |
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" url('$fonturl/cat_post.woff2?58348147') format('woff2'),\n" . |
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" url('$fonturl/cat_post.woff?58348147') format('woff'),\n" . |
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" url('$fonturl/cat_post.ttf?58348147') format('truetype');\n" . |
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" font-weight: normal;\n" . |
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" font-style: normal;\n" . |
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"}\n"; |
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} |
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$fonts_added = true; |
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|
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$placement = ''; |
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switch ( $settings['show_post_format'] ) { |
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case 'topleft': |
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$placement = 'top:10%; left:10%;'; |
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break; |
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case 'bottomleft': |
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$placement = 'bottom:10%; left:10%;'; |
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break; |
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case 'ceter': |
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$placement = 'top:calc(50% - 34px); left:calc(50% - 34px);'; |
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break; |
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case 'topright': |
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$placement = 'top:10%; right:10%;'; |
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break; |
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case 'bottomright': |
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$placement = 'bottom:10%; right:10%;'; |
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break; |
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} |
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$styles['post_format_thumb'] = '.cat-post-thumbnail span {position:relative; display:inline-block;}'; |
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$styles['post_format_icon_styling'] = '.cat-post-format:after {font-family: "cat_post"; position:absolute; color:#FFFFFF; font-size:64px; line-height: 1; ' . $placement . '}'; |
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|
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$styles['post_format_icon_aside'] = ".cat-post-format-aside:after { content: '\\f0f6'; }"; |
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$styles['post_format_icon_chat'] = ".cat-post-format-chat:after { content: '\\e802'; }"; |
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$styles['post_format_icon_gallery'] = ".cat-post-format-gallery:after { content: '\\e805'; }"; |
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$styles['post_format_icon_link'] = ".cat-post-format-link:after { content: '\\e809'; }"; |
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$styles['post_format_icon_image'] = ".cat-post-format-image:after { content: '\\e800'; }"; |
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$styles['post_format_icon_quote'] = ".cat-post-format-quote:after { content: '\\f10d'; }"; |
| 270 |
$styles['post_format_icon_status'] = ".cat-post-format-status:after { content: '\\e80a'; }"; |
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$styles['post_format_icon_video'] = ".cat-post-format-video:after { content: '\\e801'; }"; |
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$styles['post_format_icon_audio'] = ".cat-post-format-audio:after { content: '\\e803'; }"; |
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|
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} |
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} |
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|
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// everything link related styling |
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// if we are dealing with "everything is a link" option, we need to add the clear:both to the a element, not the div. |
| 279 |
if ( $everything_is_link ) { |
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$styles['clear_previous_item'] = '.cat-post-item a:after {content: ""; clear: both;}'; |
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} else { |
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$styles['clear_previous_item'] = '.cat-post-item:after {content: ""; display: table; clear: both;}'; |
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} |
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|
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foreach ( $styles as $key => $style ) { |
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$ret[ $key ] = '#' . $widget_id . ' ' . $style; |
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} |
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|
| 289 |
if ( $is_shortcode ) { |
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// Twenty Sixteen Theme adds underlines to links with box whadow wtf ... |
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$ret['twentysixteen_thumb'] = '#' . $widget_id . ' .cat-post-thumbnail {box-shadow:none}'; // this for the thumb link. |
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if ( ! ( isset( $settings['disable_font_styles'] ) && $settings['disable_font_styles'] ) ) { // checks if disable font styles is not set. |
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$ret['twentysixteen_tag_link'] = '#' . $widget_id . ' .cat-post-tax-tag a {box-shadow:none}'; // this for the tag link. |
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$ret['twentysixteen_tag_span'] = '#' . $widget_id . ' .cat-post-tax-tag span {box-shadow:none}'; // this for the tag link. |
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} |
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// Twenty Fifteen Theme adds border ... |
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$ret['twentyfifteen_thumb'] = '#' . $widget_id . ' .cat-post-thumbnail {border:0}'; // this for the thumb link. |
| 298 |
if ( ! ( isset( $settings['disable_font_styles'] ) && $settings['disable_font_styles'] ) ) { // checks if disable font styles is not set. |
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$ret['twentysixteen_tag_link'] = '#' . $widget_id . ' .cat-post-tax-tag a {border:0}'; // this for the tag link. |
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$ret['twentysixteen_tag_span'] = '#' . $widget_id . ' .cat-post-tax-tag span {border:0}'; // this for the tag link. |
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} |
| 302 |
} |
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|
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// localized widget CSS rules for the thumbnail. |
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$ret['left'] = '#' . $widget_id . ' .cat-post-thumbnail {display:block; float:left; margin:5px 10px 5px 0;}'; |
| 306 |
$ret['crop'] = '#' . $widget_id . ' .cat-post-crop {overflow:hidden;display:block;}'; |
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|
| 308 |
// probably all Themes have too much margin on their p element when used in the shortcode or widget. |
| 309 |
$ret['p_styling'] = '#' . $widget_id . ' p {margin:5px 0 0 0}'; // since on bottom it will make the spacing on cover |
| 310 |
// bigger (add to the padding) use only top for now. |
| 311 |
$ret['div_styling'] = '#' . $widget_id . ' li > div {margin:5px 0 0 0; clear:both;}'; // Add margin between the rows. |
| 312 |
|
| 313 |
// use WP dashicons in the template (e.g. for premade Template 'All and icons'). |
| 314 |
$ret['dashicons'] = '#' . $widget_id . ' .dashicons {vertical-align:middle;}'; |
| 315 |
} |
| 316 |
|
| 317 |
// Regardless if css is disabled we need some styling for the thumbnail |
| 318 |
// to make sure cropping is properly done, and they fit the allocated space. |
| 319 |
if ( isset( $settings['template'] ) && preg_match( '/%thumb%/', $settings['template'], $m, PREG_OFFSET_CAPTURE ) ) { |
| 320 |
if ( isset( $settings['thumb_h'] ) && 0 !== intval( $settings['thumb_h'] ) ) { |
| 321 |
$ret['thumb_crop_h'] = '#' . $widget_id . ' .cat-post-thumbnail .cat-post-crop img {height: ' . intval($settings['thumb_h']) . 'px;}'; |
| 322 |
} |
| 323 |
if ( isset( $settings['thumb_w'] ) && 0 !== intval( $settings['thumb_w'] ) ) { |
| 324 |
$ret['thumb_crop_w'] = '#' . $widget_id . ' .cat-post-thumbnail .cat-post-crop img {width: ' . intval($settings['thumb_w']) . 'px;}'; |
| 325 |
} |
| 326 |
$ret['thumb_crop'] = '#' . $widget_id . ' .cat-post-thumbnail .cat-post-crop img {object-fit: cover; max-width: 100%; display: block;}'; |
| 327 |
$ret['thumb_crop_not_supported'] = '#' . $widget_id . ' .cat-post-thumbnail .cat-post-crop-not-supported img {width: 100%;}'; |
| 328 |
$ret['thumb_fluid_width'] = '#' . $widget_id . ' .cat-post-thumbnail {max-width:' . intval( $settings['thumb_fluid_width'] ) . '%;}'; |
| 329 |
$ret['thumb_styling'] = '#' . $widget_id . ' .cat-post-item img {margin: initial;}'; |
| 330 |
} |
| 331 |
|
| 332 |
// Some hover effect require css to work, add it even if CSS is disabled. |
| 333 |
if ( isset( $settings['thumb_hover'] ) ) { |
| 334 |
switch ( $settings['thumb_hover'] ) { |
| 335 |
case 'white': |
| 336 |
$ret['white_hover_background'] = '#' . $widget_id . ' .cat-post-white span {background-color: white;}'; |
| 337 |
$ret['white_hover_thumb'] = '#' . $widget_id . ' .cat-post-white img {padding-bottom: 0 !important; -webkit-transition: all 0.3s ease; -moz-transition: all 0.3s ease; -ms-transition: all 0.3s ease; -o-transition: all 0.3s ease; transition: all 0.3s ease;}'; |
| 338 |
$ret['white_hover_transform'] = '#' . $widget_id . ' .cat-post-white:hover img {opacity: 0.8;}'; |
| 339 |
break; |
| 340 |
case 'dark': |
| 341 |
$ret['dark_hover_thumb'] = '#' . $widget_id . ' .cat-post-dark img {padding-bottom: 0 !important; -webkit-transition: all 0.3s ease; -moz-transition: all 0.3s ease; -ms-transition: all 0.3s ease; -o-transition: all 0.3s ease; transition: all 0.3s ease;}'; |
| 342 |
$ret['dark_hover_transform'] = '#' . $widget_id . ' .cat-post-dark:hover img {-webkit-filter: brightness(75%); -moz-filter: brightness(75%); -ms-filter: brightness(75%); -o-filter: brightness(75%); filter: brightness(75%);}'; |
| 343 |
break; |
| 344 |
case 'scale': |
| 345 |
$ret['scale_hover_thumb'] = '#' . $widget_id . ' .cat-post-scale img {margin: initial; padding-bottom: 0 !important; -webkit-transition: all 0.3s ease; -moz-transition: all 0.3s ease; -ms-transition: all 0.3s ease; -o-transition: all 0.3s ease; transition: all 0.3s ease;}'; |
| 346 |
$ret['scale_hover_transform'] = '#' . $widget_id . ' .cat-post-scale:hover img {-webkit-transform: scale(1.1, 1.1); -ms-transform: scale(1.1, 1.1); transform: scale(1.1, 1.1);}'; |
| 347 |
break; |
| 348 |
case 'blur': |
| 349 |
$ret['blur_hover_thumb'] = '#' . $widget_id . ' .cat-post-blur img {padding-bottom: 0 !important; -webkit-transition: all 0.3s ease; -moz-transition: all 0.3s ease; -ms-transition: all 0.3s ease; -o-transition: all 0.3s ease; transition: all 0.3s ease;}'; |
| 350 |
$ret['blur_hover_transform'] = '#' . $widget_id . ' .cat-post-blur:hover img {-webkit-filter: blur(2px); -moz-filter: blur(2px); -o-filter: blur(2px); -ms-filter: blur(2px); filter: blur(2px);}'; |
| 351 |
break; |
| 352 |
case 'icon': |
| 353 |
$fonturl = esc_url( plugins_url( 'icons/font', __FILE__ ) ); |
| 354 |
$ret['icon_hover_font'] = "@font-face {\n" . |
| 355 |
"font-family: 'cat_post';\n" . |
| 356 |
"src: url('$fonturl/cat_post.eot?58348147');\n" . |
| 357 |
"src: url('$fonturl/cat_post.eot?58348147#iefix') format('embedded-opentype'),\n" . |
| 358 |
" url('$fonturl/cat_post.woff2?58348147') format('woff2'),\n" . |
| 359 |
" url('$fonturl/cat_post.woff?58348147') format('woff'),\n" . |
| 360 |
" url('$fonturl/cat_post.ttf?58348147') format('truetype');\n" . |
| 361 |
" font-weight: normal;\n" . |
| 362 |
" font-style: normal;\n" . |
| 363 |
"}\n"; |
| 364 |
|
| 365 |
$ret['icon_hover_thumb'] = '#' . $widget_id . ' .cat-post-format-standard:after {opacity:0; -webkit-transition: all 0.3s ease; -moz-transition: all 0.3s ease; -ms-transition: all 0.3s ease; -o-transition: all 0.3s ease; transition: all 0.3s ease;}'; |
| 366 |
$ret['icon_hover_transform'] = '#' . $widget_id . ' .cat-post-thumbnail:hover .cat-post-format-standard:after {opacity:1;}'; |
| 367 |
if ( isset( $settings['show_post_format'] ) && ( 'none' === $settings['show_post_format'] ) ) { |
| 368 |
$ret[] = '#' . $widget_id . ' .cat-post-thumbnail span {position:relative; display:inline-block;}'; |
| 369 |
$ret[] = '#' . $widget_id . ' .cat-post-icon .cat-post-format:after {font-family: "cat_post"; position:absolute; color:#FFFFFF; font-size:64px; line-height: 1; ' . |
| 370 |
'top:calc(50% - 34px); left:calc(50% - 34px);}'; |
| 371 |
} |
| 372 |
$ret[] = '#' . $widget_id . " .cat-post-format-standard:after {padding-left:12px; content: '\\e806'; }"; |
| 373 |
break; |
| 374 |
} |
| 375 |
} |
| 376 |
if ( $settings['enable_loadmore'] ) { |
| 377 |
// $this->id is used over $widget_id because we need the id of the outer div, not the UL itself. |
| 378 |
$ret['loadmore'] = '#' . $this->id . ' .' . __NAMESPACE__ . '-loadmore {text-align:center;margin-top:10px}'; |
| 379 |
|
| 380 |
// Scrollbar |
| 381 |
if ( isset( $settings['loadmore_scrollTo'] ) && $settings['loadmore_scrollTo'] ) { |
| 382 |
$ret['loadmore_scrollTo'] = '#' . $widget_id . ' {overflow-y:scroll;}'; |
| 383 |
} |
| 384 |
} |
| 385 |
$rules[] = $ret; |
| 386 |
} |
| 387 |
|
| 388 |
/** |
| 389 |
* Output the widget CSS |
| 390 |
* |
| 391 |
* Just a wrapper that output getCSSRules |
| 392 |
* |
| 393 |
* @param string $context One of the CONTEXT_* constants, see getCSSRules(). |
| 394 |
* |
| 395 |
* @since 4.7 |
| 396 |
*/ |
| 397 |
public function outputCSS( $context ) { |
| 398 |
$rules = array(); |
| 399 |
$this->getCSSRules( $context, $rules ); |
| 400 |
foreach ( $rules as $group ) { |
| 401 |
foreach ( $group as $rule ) { |
| 402 |
echo "$rule\n"; // Xss off - raw css can not be html escaped. |
| 403 |
} |
| 404 |
} |
| 405 |
} |
| 406 |
|
| 407 |
/** |
| 408 |
* Get the id the virtual widget was registered with |
| 409 |
* |
| 410 |
* @return string |
| 411 |
* |
| 412 |
* @since 4.7 |
| 413 |
*/ |
| 414 |
public function id() { |
| 415 |
return $this->id; |
| 416 |
} |
| 417 |
|
| 418 |
/** |
| 419 |
* Get all the setting of the virtual widgets in an array |
| 420 |
* |
| 421 |
* @return array |
| 422 |
* |
| 423 |
* @since 4.7 |
| 424 |
*/ |
| 425 |
public static function getAllSettings() { |
| 426 |
return self::$collection; |
| 427 |
} |
| 428 |
|
| 429 |
} |
| 430 |
|
