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<?php |
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/** |
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* Generic Slider super class. Extended by library specific classes. |
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* |
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* This class handles all slider related functionality, including saving settings and outputting |
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* the slider HTML (front end and back end) |
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*/ |
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class MetaSlider |
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{ |
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public $id = 0; // slider ID |
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public $identifier = 0; // unique identifier |
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public $slides = array(); //slides belonging to this slider |
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public $settings = array(); // slider settings |
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/** |
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* Constructor |
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* @param $id |
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* @param $shortcode_settings |
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*/ |
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public function __construct($id, $shortcode_settings) |
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{ |
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$this->id = $id; |
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$this->settings = array_merge($shortcode_settings, $this->get_settings()); |
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$this->identifier = 'metaslider_' . $this->id; |
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$this->save(); |
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$this->populate_slides(); |
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} |
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/** |
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* Return the unique identifier for the slider (used to avoid javascript conflicts) |
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* |
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* @return string unique identifier for slider |
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*/ |
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protected function get_identifier() |
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{ |
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return $this->identifier; |
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} |
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/** |
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* Get settings for the current slider |
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* |
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* @return array slider settings |
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*/ |
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private function get_settings() |
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{ |
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$settings = get_post_meta($this->id, 'ml-slider_settings', true); |
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if (is_array($settings) && isset($settings['type']) && in_array($settings['type'], array('flex', 'coin', 'nivo', 'responsive'))) { |
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return $settings; |
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} else { |
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return $this->get_default_parameters(); |
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} |
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} |
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/** |
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* Return an individual setting |
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* |
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* @param string $name Name of the setting |
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* @return string setting value or 'false' |
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*/ |
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public function get_setting($name) |
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{ |
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if (!isset($this->settings[$name])) { |
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$defaults = $this->get_default_parameters(); |
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if (isset($defaults[$name])) { |
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return $defaults[$name] ?: 'false'; |
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} |
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} else { |
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if (strlen($this->settings[$name]) > 0) { |
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return $this->settings[$name]; |
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} |
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} |
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return 'false'; |
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} |
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/** |
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* Get the slider libary parameters, this lists all possible parameters and their |
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* default values. Slider subclasses override this and disable/rename parameters |
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* appropriately. |
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* |
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* @return string javascript options |
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*/ |
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public function get_default_parameters() |
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{ |
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$params = array( |
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'type' => 'flex', |
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'random' => false, |
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'cssClass' => '', |
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'printCss' => true, |
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'printJs' => true, |
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'width' => 700, |
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'height' => 300, |
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'spw' => 7, |
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'sph' => 5, |
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'delay' => 3000, |
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'sDelay' => 30, |
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'opacity' => 0.7, |
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'titleSpeed' => 500, |
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'effect' => 'random', |
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'navigation' => true, |
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'links' => true, |
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'hoverPause' => true, |
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'theme' => 'default', |
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'direction' => 'horizontal', |
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'reverse' => false, |
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'animationSpeed' => 600, |
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'prevText' => '<', |
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'nextText' => '>', |
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'slices' => 15, |
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'center' => false, |
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'smartCrop' => true, |
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'carouselMode' => false, |
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'easing' => 'linear', |
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'autoPlay' => true, |
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'thumb_width' => 150, |
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'thumb_height' => 100, |
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'fullWidth' => false, |
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'noConflict' => false |
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); |
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$params = apply_filters('metaslider_default_parameters', $params); |
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return $params; |
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} |
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/** |
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* Save the slider details and initiate the update of all slides associated with slider. |
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*/ |
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private function save() |
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{ |
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if (!is_admin()) { |
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return; |
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} |
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// make changes to slider |
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if (isset($_POST['settings'])) { |
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check_admin_referer('metaslider_save_' . $this->id); |
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$this->update_settings($_POST['settings']); |
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} |
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if (isset($_POST['title'])) { |
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check_admin_referer('metaslider_save_' . $this->id); |
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$this->update_title($_POST['title']); |
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} |
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if (isset($_GET['deleteSlide'])) { |
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$this->delete_slide((int)$_GET['deleteSlide']); |
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} |
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// make changes to slides |
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if (isset($_POST['attachment'])) { |
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check_admin_referer('metaslider_save_' . $this->id); |
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$this->update_slides($_POST['attachment']); |
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} |
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} |
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/** |
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* The main query for extracting the slides for the slideshow |
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*/ |
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public function get_slides() |
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{ |
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$args = array( |
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'force_no_custom_order' => true, |
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'orderby' => 'menu_order', |
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'order' => 'ASC', |
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'post_type' => 'attachment', |
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'post_status' => 'inherit', |
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'lang' => '', // polylang, ingore language filter |
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'suppress_filters' => 1, // wpml, ignore language filter |
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'posts_per_page' => -1, |
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'tax_query' => array( |
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array( |
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'taxonomy' => 'ml-slider', |
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'field' => 'slug', |
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'terms' => $this->id |
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) |
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) |
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); |
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$args = apply_filters('metaslider_populate_slides_args', $args, $this->id, $this->settings); |
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$query = new WP_Query($args); |
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return $query; |
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} |
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/** |
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* Return slides for the current slider |
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* |
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* @return array collection of slides belonging to the current slider |
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*/ |
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private function populate_slides() |
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{ |
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$slides = array(); |
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$query = $this->get_slides(); |
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while ($query->have_posts()) { |
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$query->next_post(); |
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$type = get_post_meta($query->post->ID, 'ml-slider_type', true); |
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$type = $type ?: 'image'; // backwards compatibility, fall back to 'image' |
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if (has_filter("metaslider_get_{$type}_slide")) { |
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$return = apply_filters("metaslider_get_{$type}_slide", $query->post->ID, $this->id); |
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if (is_array($return)) { |
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$slides = array_merge($slides, $return); |
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} else { |
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$slides[] = $return; |
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} |
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} |
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} |
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// apply random setting |
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if ('true' === $this->get_setting('random') && !is_admin()) { |
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shuffle($slides); |
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} |
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$this->slides = $slides; |
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return $this->slides; |
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} |
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/** |
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* Render each slide belonging to the slider out to the screen |
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*/ |
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public function render_admin_slides() |
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{ |
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foreach ($this->slides as $slide) { |
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echo $slide; |
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} |
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} |
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/** |
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* Output the HTML and Javascript for this slider |
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* |
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* @return string HTML & Javascrpt |
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*/ |
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public function render_public_slides() |
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{ |
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$html[] = '<!-- meta slider -->'; |
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$html[] = '<div style="' . $this->get_container_style() . '" class="' . $this->get_container_class() . '">'; |
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$html[] = ' ' . $this->get_inline_css(); |
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$html[] = ' <div id="' . $this->get_container_id() . '">'; |
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$html[] = ' ' . $this->get_html(); |
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$html[] = ' ' . $this->get_html_after(); |
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$html[] = ' </div>'; |
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$html[] = ' <script type="text/javascript">'; |
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$html[] = ' ' . $this->get_inline_javascript(); |
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$html[] = ' </script>'; |
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$html[] = '</div>'; |
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$html[] = '<!--// meta slider-->'; |
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$slideshow = implode("\n", $html); |
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$slideshow = apply_filters('metaslider_slideshow_output', $slideshow, $this->id, $this->settings); |
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return $slideshow; |
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} |
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/** |
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* Return the ID to use for the container |
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*/ |
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private function get_container_id() |
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{ |
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$container_id = 'metaslider_container_' . $this->id; |
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$id = apply_filters('metaslider_container_id', $container_id, $this->id, $this->settings); |
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return $id; |
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} |
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/** |
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* Return the classes to use for the slidehsow container |
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*/ |
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private function get_container_class() |
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{ |
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$class = "metaslider metaslider-{$this->get_setting('type')} metaslider-{$this->id} ml-slider"; |
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// apply the css class setting |
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if ('false' !== $this->get_setting('cssClass')) { |
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$class .= ' ' . $this->get_setting('cssClass'); |
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} |
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// handle any custom classes |
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$class = apply_filters('metaslider_css_classes', $class, $this->id, $this->settings); |
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return $class; |
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} |
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/** |
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* Return the inline CSS style for the slideshow container. |
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*/ |
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private function get_container_style() |
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{ |
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// default |
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$style = "max-width: {$this->get_setting('width')}px;"; |
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// carousels are always 100% wide |
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if ('true' === $this->get_setting('carouselMode') || ('true' === $this->get_setting('fullWidth')) && 'coin' !== $this->get_setting('type')) { |
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$style = 'width: 100%;'; |
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} |
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// percentWidth showcode parameter takes precedence |
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if ('false' !== $this->get_setting('percentwidth') && $this->get_setting('percentwidth') > 0) { |
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$style = "width: {$this->get_setting('percentwidth')}%;"; |
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} |
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// center align the slideshow |
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if ('false' !== $this->get_setting('center')) { |
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$style .= ' margin: 0 auto;'; |
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} |
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// handle any custom container styles |
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$style = apply_filters('metaslider_container_style', $style, $this->id, $this->settings); |
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return $style; |
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320
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} |
|
321
|
|
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|
|
322
|
|
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/** |
|
323
|
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* Return the Javascript to kick off the slider. Code is wrapped in a timer |
|
324
|
|
|
* to allow for themes that load jQuery at the bottom of the page. |
|
325
|
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* |
|
326
|
|
|
* Delay execution of slider code until jQuery is ready (supports themes where |
|
327
|
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|
* jQuery is loaded at the bottom of the page) |
|
328
|
|
|
* |
|
329
|
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|
* @return string javascript |
|
330
|
|
|
*/ |
|
331
|
|
|
private function get_inline_javascript() |
|
332
|
|
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{ |
|
333
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$custom_js_before = $this->get_custom_javascript_before(); |
|
334
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$custom_js_after = $this->get_custom_javascript_after(); |
|
335
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|
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|
|
336
|
|
|
$script = 'var ' . $this->identifier . " = function($) {"; |
|
337
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|
|
$script .= $custom_js_before; |
|
338
|
|
|
$script .= "\n $('#" . $this->identifier . "')." . $this->js_function . '({ '; |
|
339
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|
$script .= "\n " . $this->get_javascript_parameters(); |
|
340
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|
|
$script .= "\n });"; |
|
341
|
|
|
$script .= $custom_js_after; |
|
342
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|
|
$script .= "\n };"; |
|
343
|
|
|
$script .= "\n var timer_" . $this->identifier . ' = function() {'; |
|
344
|
|
|
$script .= "\n var slider = !window.jQuery ? window.setTimeout(timer_{$this->identifier}, 100) : !jQuery.isReady ? window.setTimeout(timer_{$this->identifier}, 100) : {$this->identifier}(window.jQuery);"; |
|
345
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|
|
$script .= "\n };"; |
|
346
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|
|
$script .= "\n timer_" . $this->identifier . '();'; |
|
347
|
|
|
|
|
348
|
|
|
return $script; |
|
349
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|
|
} |
|
350
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|
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|
|
351
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|
|
/** |
|
352
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|
|
* Custom HTML to add immediately below the markup |
|
353
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|
|
*/ |
|
354
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|
|
private function get_html_after() |
|
355
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|
|
{ |
|
356
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|
|
$type = $this->get_setting('type'); |
|
357
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|
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|
|
358
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|
|
$html = apply_filters("metaslider_{$type}_slider_html_after", '', $this->id, $this->settings); |
|
|
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|
359
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|
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|
|
360
|
|
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if (strlen($html)) { |
|
361
|
|
|
return " {$html}"; |
|
362
|
|
|
} |
|
363
|
|
|
|
|
364
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|
|
return ''; |
|
365
|
|
|
} |
|
366
|
|
|
|
|
367
|
|
|
/** |
|
368
|
|
|
* Custom JavaScript to execute immediately before the slideshow is initialized |
|
369
|
|
|
*/ |
|
370
|
|
|
private function get_custom_javascript_before() |
|
371
|
|
|
{ |
|
372
|
|
|
$type = $this->get_setting('type'); |
|
373
|
|
|
|
|
374
|
|
|
$javascript = ''; |
|
375
|
|
|
|
|
376
|
|
|
if ('true' === $this->get_setting('noConflict') && 'flex' === $type) { |
|
377
|
|
|
$javascript = "$('#metaslider_{$this->id}').addClass('flexslider'); // theme/plugin conflict avoidance"; |
|
378
|
|
|
} |
|
379
|
|
|
|
|
380
|
|
|
$custom_js = apply_filters("metaslider_{$type}_slider_javascript_before", $javascript, $this->id); |
|
|
|
|
|
|
381
|
|
|
|
|
382
|
|
|
if (strlen($custom_js)) { |
|
383
|
|
|
return "\n {$custom_js}"; |
|
384
|
|
|
} |
|
385
|
|
|
|
|
386
|
|
|
return ''; |
|
387
|
|
|
} |
|
388
|
|
|
|
|
389
|
|
|
/** |
|
390
|
|
|
* Custom Javascript to execute immediately after the slideshow is initialized |
|
391
|
|
|
*/ |
|
392
|
|
|
private function get_custom_javascript_after() |
|
393
|
|
|
{ |
|
394
|
|
|
$type = $this->get_setting('type'); |
|
395
|
|
|
|
|
396
|
|
|
$custom_js = apply_filters("metaslider_{$type}_slider_javascript", '', $this->id); |
|
|
|
|
|
|
397
|
|
|
|
|
398
|
|
|
if (strlen($custom_js)) { |
|
399
|
|
|
return "\n {$custom_js}"; |
|
400
|
|
|
} |
|
401
|
|
|
|
|
402
|
|
|
return ''; |
|
403
|
|
|
} |
|
404
|
|
|
|
|
405
|
|
|
/** |
|
406
|
|
|
* Build the javascript parameter arguments for the slider. |
|
407
|
|
|
* |
|
408
|
|
|
* @return string parameters |
|
409
|
|
|
*/ |
|
410
|
|
|
private function get_javascript_parameters() |
|
411
|
|
|
{ |
|
412
|
|
|
$options = array(); |
|
413
|
|
|
|
|
414
|
|
|
// construct an array of all parameters |
|
415
|
|
|
foreach ($this->get_default_parameters() as $name => $default) { |
|
|
|
|
|
|
416
|
|
|
if ($param = $this->get_param($name)) { |
|
|
|
|
|
|
417
|
|
|
$val = $this->get_setting($name); |
|
418
|
|
|
|
|
419
|
|
|
if ('integer' === gettype($default) || 'true' === $val || 'false' === $val) { |
|
420
|
|
|
$options[$param] = $val; |
|
421
|
|
|
} else { |
|
422
|
|
|
$options[$param] = '"' . $val . '"'; |
|
423
|
|
|
} |
|
424
|
|
|
} |
|
425
|
|
|
} |
|
426
|
|
|
|
|
427
|
|
|
// deal with any customised parameters |
|
428
|
|
|
$type = $this->get_setting('type'); |
|
429
|
|
|
$options = apply_filters("metaslider_{$type}_slider_parameters", $options, $this->id, $this->settings); |
|
|
|
|
|
|
430
|
|
|
$arg = 'flex' === $type ? 'slider' : ''; |
|
431
|
|
|
|
|
432
|
|
|
// create key:value strings |
|
433
|
|
|
foreach ($options as $key => $value) { |
|
434
|
|
|
if (is_array($value)) { |
|
435
|
|
|
$pairs[] = "{$key}: function($arg) {\n " . implode("\n ", $value) . "\n }"; |
|
436
|
|
|
} else { |
|
437
|
|
|
$pairs[] = "{$key}:{$value}"; |
|
438
|
|
|
} |
|
439
|
|
|
} |
|
440
|
|
|
|
|
441
|
|
|
return implode(",\n ", $pairs); |
|
|
|
|
|
|
442
|
|
|
} |
|
443
|
|
|
|
|
444
|
|
|
/** |
|
445
|
|
|
* Apply any custom inline styling |
|
446
|
|
|
* |
|
447
|
|
|
* @return string |
|
448
|
|
|
*/ |
|
449
|
|
|
private function get_inline_css() |
|
450
|
|
|
{ |
|
451
|
|
|
$css = apply_filters('metaslider_css', '', $this->settings, $this->id); |
|
|
|
|
|
|
452
|
|
|
|
|
453
|
|
|
// use this to add the scoped attribute for HTML5 validation (if needed) |
|
454
|
|
|
$attributes = apply_filters('metaslider_style_attributes', '', $this->settings, $this->id); |
|
|
|
|
|
|
455
|
|
|
|
|
456
|
|
|
if (strlen($css)) { |
|
457
|
|
|
return "<style type=\"text/css\"{$attributes}>{$css}\n </style>"; |
|
458
|
|
|
} |
|
459
|
|
|
|
|
460
|
|
|
return ''; |
|
461
|
|
|
} |
|
462
|
|
|
|
|
463
|
|
|
/** |
|
464
|
|
|
* Include slider assets, JS and CSS paths are specified by child classes. |
|
465
|
|
|
*/ |
|
466
|
|
|
public function enqueue_scripts() |
|
467
|
|
|
{ |
|
468
|
|
|
if ('true' === $this->get_setting('printJs')) { |
|
469
|
|
|
wp_enqueue_script('metaslider-' . $this->get_setting('type') . '-slider', METASLIDER_ASSETS_URL . $this->js_path, array('jquery'), METASLIDER_VERSION); |
|
|
|
|
|
|
470
|
|
|
} |
|
471
|
|
|
|
|
472
|
|
|
if ('true' === $this->get_setting('printCss')) { |
|
473
|
|
|
// this will be added to the bottom of the page as <head> has already been processed by WordPress. |
|
474
|
|
|
// For HTML5 compatibility, use a minification plugin to move the CSS to the <head> |
|
475
|
|
|
wp_enqueue_style('metaslider-' . $this->get_setting('type') . '-slider', METASLIDER_ASSETS_URL . $this->css_path, false, METASLIDER_VERSION); |
|
|
|
|
|
|
476
|
|
|
wp_enqueue_style('metaslider-public', METASLIDER_ASSETS_URL . 'metaslider/public.css', false, METASLIDER_VERSION); |
|
477
|
|
|
} |
|
478
|
|
|
|
|
479
|
|
|
do_action('metaslider_register_public_styles'); |
|
|
|
|
|
|
480
|
|
|
} |
|
481
|
|
|
|
|
482
|
|
|
/** |
|
483
|
|
|
* Update the slider settings, converting checkbox values (on/off) to true or false. |
|
484
|
|
|
* @param $new_settings |
|
485
|
|
|
*/ |
|
486
|
|
|
public function update_settings($new_settings) |
|
487
|
|
|
{ |
|
488
|
|
|
$old_settings = $this->get_settings(); |
|
489
|
|
|
|
|
490
|
|
|
// convert submitted checkbox values from 'on' or 'off' to boolean values |
|
491
|
|
|
$checkboxes = array('noConflict', 'fullWidth', 'hoverPause', 'links', 'reverse', 'random', 'printCss', 'printJs', 'smoothHeight', 'center', 'smartCrop', 'carouselMode', 'autoPlay'); |
|
492
|
|
|
|
|
493
|
|
|
foreach ($checkboxes as $checkbox) { |
|
494
|
|
|
if (isset($new_settings[$checkbox]) && 'on' === $new_settings[$checkbox]) { |
|
495
|
|
|
$new_settings[$checkbox] = 'true'; |
|
496
|
|
|
} else { |
|
497
|
|
|
$new_settings[$checkbox] = 'false'; |
|
498
|
|
|
} |
|
499
|
|
|
} |
|
500
|
|
|
|
|
501
|
|
|
// update the slider settings |
|
502
|
|
|
update_post_meta($this->id, 'ml-slider_settings', array_merge((array)$old_settings, $new_settings)); |
|
|
|
|
|
|
503
|
|
|
|
|
504
|
|
|
$this->settings = $this->get_settings(); |
|
505
|
|
|
} |
|
506
|
|
|
|
|
507
|
|
|
/** |
|
508
|
|
|
* Update the title of the slider |
|
509
|
|
|
* @param $title |
|
510
|
|
|
*/ |
|
511
|
|
|
private function update_title($title) |
|
512
|
|
|
{ |
|
513
|
|
|
$slide = array( |
|
514
|
|
|
'ID' => $this->id, |
|
515
|
|
|
'post_title' => $title |
|
516
|
|
|
); |
|
517
|
|
|
|
|
518
|
|
|
wp_update_post($slide); |
|
|
|
|
|
|
519
|
|
|
} |
|
520
|
|
|
|
|
521
|
|
|
/** |
|
522
|
|
|
* Delete a slide. This doesn't actually remove the slide from WordPress, simply untags |
|
523
|
|
|
* it from the slide taxonomy. |
|
524
|
|
|
* |
|
525
|
|
|
* @param int $slide_id |
|
526
|
|
|
*/ |
|
527
|
|
|
private function delete_slide($slide_id) |
|
528
|
|
|
{ |
|
529
|
|
|
// Get the existing terms and only keep the ones we don't want removed |
|
530
|
|
|
$new_terms = array(); |
|
531
|
|
|
$current_terms = wp_get_object_terms($slide_id, 'ml-slider', array('fields' => 'ids')); |
|
|
|
|
|
|
532
|
|
|
$term = get_term_by('name', $this->id, 'ml-slider'); |
|
|
|
|
|
|
533
|
|
|
|
|
534
|
|
|
foreach ($current_terms as $current_term) { |
|
535
|
|
|
if ($current_term != $term->term_id) { |
|
536
|
|
|
$new_terms[] = (int)$current_term; |
|
537
|
|
|
} |
|
538
|
|
|
} |
|
539
|
|
|
|
|
540
|
|
|
return wp_set_object_terms($slide_id, $new_terms, 'ml-slider'); |
|
|
|
|
|
|
541
|
|
|
} |
|
542
|
|
|
|
|
543
|
|
|
/** |
|
544
|
|
|
* Loop over each slide and call the save action on each |
|
545
|
|
|
* |
|
546
|
|
|
* @param array $data - posted form data. |
|
547
|
|
|
*/ |
|
548
|
|
|
private function update_slides($data) |
|
549
|
|
|
{ |
|
550
|
|
|
foreach ($data as $slide_id => $fields) { |
|
551
|
|
|
do_action("metaslider_save_{$fields['type']}_slide", $slide_id, $this->id, $fields); |
|
|
|
|
|
|
552
|
|
|
} |
|
553
|
|
|
} |
|
554
|
|
|
} |
|
555
|
|
|
|
mambax7 /
extgallery
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You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.