Current File : /home/dopla/www/wp-content/plugins/ml-slider/inc/slide/metaslide.class.php
<?php
if (!defined('ABSPATH')) die('No direct access.');
/**
* Slide class represting a single slide. This is extended by type specific
* slides (eg, MetaImageSlide, MetaYoutubeSlide (pro only), etc)
*/
class MetaSlide {
public $slide = 0;
public $slider = 0;
public $settings = array(); // slideshow settings
/**
* Constructor
*/
public function __construct() {
add_action( 'wp_ajax_update_slide_image', array( $this, 'ajax_update_slide_image' ) );
}
/**
* Set the slide
*
* @param int $id ID
*/
public function set_slide( $id ) {
$this->slide = get_post( $id );
}
/**
* Set the slide (that this slide belongs to)
*
* @param int $id ID
*/
public function set_slider( $id ) {
$this->slider = get_post( $id );
$this->settings = get_post_meta( $id, 'ml-slider_settings', true );
}
/**
* Return the HTML for the slide
*
* @param int $slide_id Slide ID
* @param int $slider_id Slider ID
* @return array complete array of slides
*/
public function get_slide( $slide_id, $slider_id ) {
$this->set_slider( $slider_id );
$this->set_slide( $slide_id );
return $this->get_slide_html();
}
/**
* Save the slide
*
* @param int $slide_id Slide ID
* @param int $slider_id Slider ID
* @param string $fields SLider fields
*/
public function save_slide($slide_id, $slider_id, $fields) {
$this->set_slider($slider_id);
$this->set_slide($slide_id);
$this->save($fields);
do_action('metaslider_save_slide', $slide_id, $slider_id, $fields);
}
/**
* Updates the slide meta value to a new image.
*
* @param int $slide_id The id of the slide being updated
* @param int $image_id The id of the new image to use
* @param int $slideshow_id The id of the slideshow
*
* @return array|WP_error The status message and if success, the thumbnail link
*/
protected function update_slide_image($slide_id, $image_id, $slideshow_id = null) {
/*
* Verifies that the $image_id is an actual image
*/
if (!($thumbnail_url = wp_get_attachment_image_url($image_id))) {
return new WP_Error('update_failed', __('The requested image does not exist. Please try again.', 'ml-slider'), array('status' => 409));
}
/*
* Updates the thumbnail, assigns it to the slideshow, crops the image
*/
if (update_post_meta($slide_id, '_thumbnail_id', $image_id)) {
if ($slideshow_id) {
$this->set_slider($slideshow_id);
// get resized image
$imageHelper = new MetaSliderImageHelper(
$slide_id,
$this->settings['width'],
$this->settings['height'],
isset($this->settings['smartCrop']) ? $this->settings['smartCrop'] : 'false'
);
}
return array(
'message' => __('The image was successfully updated.', 'ml-slider'),
'thumbnail_url' => $thumbnail_url,
'img_url' => $imageHelper ? $imageHelper->get_image_url() : wp_get_attachment_image_url($image_id, 'full')
);
}
return new WP_Error('update_failed', __('There was an error updating the image. Please try again', 'ml-slider'), array('status' => 409));
}
/**
* Ajax wrapper to update the slide image.
*
* @return String The status message and if success, the thumbnail link (JSON)
*/
public function ajax_update_slide_image() {
if (!wp_verify_nonce($_REQUEST['_wpnonce'], 'metaslider_update_slide_image')) {
return wp_send_json_error(array(
'message' => __('The security check failed. Please refresh the page and try again.', 'ml-slider')
), 401);
}
$result = $this->update_slide_image(
absint($_POST['slide_id']), absint($_POST['image_id']), absint($_POST['slider_id'])
);
if (is_wp_error($result)) {
return wp_send_json_error(array(
'message' => $result->get_error_message()
), 409);
}
return wp_send_json_success($result, 200);
}
/**
* Return the correct slide HTML based on whether we're viewing the slides in the
* admin panel or on the front end.
*
* @return string slide html
*/
public function get_slide_html() {
// If we are on the MetaSlider settings page, and the user has permission
// return the admin style slides
$on_settings_page = isset($_GET['page']) && ('metaslider' === $_GET['page']);
$has_permission = current_user_can(apply_filters('metaslider_capability', 'edit_others_posts'));
$ajax_call = apply_filters('wp_doing_ajax', defined('DOING_AJAX') && DOING_AJAX);
$rest_call = defined('REST_REQUEST') && REST_REQUEST;
if (is_admin() && $on_settings_page && $has_permission && !$ajax_call && !$rest_call) {
return $this->get_admin_slide();
}
// Otherwise deliver the public slide markup
return $this->get_public_slide();
}
/**
* Check if a slide already exists in a slideshow
*
* @param string $slider_id Slider ID
* @param string $slide_id SLide ID
* @return string
*/
public function slide_exists_in_slideshow( $slider_id, $slide_id ) {
return has_term( "{$slider_id}", 'ml-slider', $slide_id );
}
/**
* Check if a slide has already been assigned to a slideshow
*
* @param string $slider_id Slider ID
* @param string $slide_id SLide ID
* @return string
*/
public function slide_is_unassigned_or_image_slide( $slider_id, $slide_id ) {
$type = get_post_meta( $slide_id, 'ml-slider_type', true );
return ! strlen( $type ) || $type == 'image';
}
/**
* Build image HTML
*
* @param array $attributes Anchor attributes
* @return string image HTML
*/
public function build_image_tag($attributes) {
$attachment_id = $this->get_attachment_id();
if (('disabled' == $this->settings['smartCrop'] || 'disabled_pad' == $this->settings['smartCrop']) && ('image' == $this->identifier || 'html_overlay' == $this->identifier)) {
// This will use WP built in image building so we can remove some of these attributes
unset($attributes['src']);
unset($attributes['height']);
unset($attributes['width']);
return wp_get_attachment_image($attachment_id, apply_filters('metaslider_default_size', 'full', $this->slider), false, $attributes);
}
$html = "<img";
foreach ( $attributes as $att => $val ) {
if ( strlen( $val ) ) {
$html .= " " . $att . '="' . esc_attr( $val ) . '"';
} else if ( $att == 'alt' ) {
$html .= " " . $att . '=""'; // always include alt tag for HTML5 validation
}
}
$html .= " />";
return $html;
}
/**
* Build image HTML
*
* @param array $attributes Anchor attributes
* @param string $content Anchor contents
* @return string image HTML
*/
public function build_anchor_tag( $attributes, $content ) {
$html = "<a";
foreach ( $attributes as $att => $val ) {
if ( strlen( $val ) ) {
$html .= " " . $att . '="' . esc_attr( $val ) . '"';
}
}
$html .= ">" . $content . "</a>";
return $html;
}
/**
* Create a new post for a slide. Tag a featured image to it.
*
* @since 3.4
* @param string $media_id - Media File ID to use for the slide
* @param string $type - the slide type identifier
* @param int $slider_id - the parent slideshow ID
* @return int $slide_id - the ID of the newly created slide
*/
public function insert_slide($media_id, $type, $slider_id) {
// Store the post in the database (without translation)
$slide_id = wp_insert_post(
array(
'post_title' => "Slider {$slider_id} - {$type}",
'post_status' => 'publish',
'post_type' => 'ml-slide'
)
);
// Send back a friendlier error message
if (is_wp_error($slide_id)) {
return new WP_Error('create_failed', __('There was an error while updating the database. Please try again.', 'ml-slider'), array('status' => 409));
}
// Set the image to the slide
set_post_thumbnail($slide_id, $media_id);
$this->add_or_update_or_delete_meta($slide_id, 'type', $type);
return $slide_id;
}
/**
* Tag the slide attachment to the slider tax category
*/
public function tag_slide_to_slider() {
if ( ! term_exists( $this->slider->ID, 'ml-slider' ) ) {
// create the taxonomy term, the term is the ID of the slider itself
wp_insert_term( $this->slider->ID, 'ml-slider' );
}
// get the term thats name is the same as the ID of the slider
$term = get_term_by( 'name', $this->slider->ID, 'ml-slider' );
// tag this slide to the taxonomy term
wp_set_post_terms( $this->slide->ID, $term->term_id, 'ml-slider', true );
$this->update_menu_order();
}
/**
* Ouput the slide tabs
*/
public function get_admin_slide_tabs_html() {
return $this->get_admin_slide_tab_titles_html() . $this->get_admin_slide_tab_contents_html();
}
/**
* Generate the HTML for the tabs
*/
public function get_admin_slide_tab_titles_html() {
$tabs = apply_filters('metaslider_slide_tabs', $this->get_admin_tabs(), $this->slide, $this->slider, $this->settings);
$return = "<ul class='tabs'>";
foreach ( $tabs as $id => $tab ) {
$pos = array_search( $id, array_keys( $tabs ) );
$selected = $pos == 0 ? "class='selected'" : "";
$return .= "<li {$selected} ><a tabindex='0' href='#' data-tab_id='tab-{$pos}'>{$tab['title']}</a></li>";
}
$return .= "</ul>";
return $return;
}
/**
* Generate the HTML for the delete button
*
* @return string
*/
public function get_delete_button_html() {
return "<button class='toolbar-button delete-slide alignright tipsy-tooltip-top' title='" . __("Delete slide", "ml-slider") . "' data-slide-id='{$this->slide->ID}'><i><svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-x'><line x1='18' y1='6' x2='6' y2='18'/><line x1='6' y1='6' x2='18' y2='18'/></svg></i></button>";
}
/**
* Generate the HTML for the undelete button
*
* @return string
*/
public function get_undelete_button_html() {
return "<a href='#' onclick='return false;' class='trash-view-restore' data-slide-id='{$this->slide->ID}'>" . __('Restore', 'default') . "</a>";
}
/**
* Generate the HTML for the perminant button
*
* @return string
*/
public function get_perminant_delete_button_html() {
// TODO allow for a perminant delete button
$url = wp_nonce_url(admin_url("post.php?ml-slide={$this->slide->ID}&action=delete"));
return "<a href='{$url}' class='trash-view-perminant-delete' data-slide-id='{$this->slide->ID}'>" . __('Delete Permanently', 'default') . "</a>";
}
/**
* Generates the HTML for the update slide image button
*
* @return string The html for the edit button on a slide image
*/
public function get_update_image_button_html() {
$attachment_id = $this->get_attachment_id();
$slide_type = get_post_meta($this->slide->ID, 'ml-slider_type', true);
return "<button class='toolbar-button update-image alignright tipsy-tooltip-top' data-slide-type='{$slide_type}' data-button-text='" . __("Update slide image", "ml-slider") . "' title='" . __("Update slide image", "ml-slider") . "' data-slide-id='{$this->slide->ID}' data-attachment-id='{$attachment_id}'><i><svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-edit-2'><polygon points='16 3 21 8 8 21 3 21 3 16 16 3'/></svg></i></button>";
}
/**
* Generate the HTML for the tab content
*/
public function get_admin_slide_tab_contents_html() {
$tabs = apply_filters('metaslider_slide_tabs', $this->get_admin_tabs(), $this->slide, $this->slider, $this->settings);
$return = "<div class='tabs-content flex-grow'>";
foreach ( $tabs as $id => $tab ) {
$pos = array_search( $id, array_keys( $tabs ) );
$hidden = $pos != 0 ? "style='display: none;'" : "";
$return .= "<div class='h-full tab tab-{$pos}' {$hidden}>{$tab['content']}</div>";
}
$return .= "</div>";
return $return;
}
/**
* Ensure slides are added to the slideshow in the correct order.
*
* Find the highest slide menu_order in the slideshow, increment, then
* update the new slides menu_order.
*/
public function update_menu_order() {
$menu_order = 0;
// get the slide with the highest menu_order so far
$args = array(
'force_no_custom_order' => true,
'orderby' => 'menu_order',
'order' => 'DESC',
'post_type' => array('attachment', 'ml-slide'),
'post_status' => array('inherit', 'publish'),
'lang' => '', // polylang, ingore language filter
'suppress_filters' => 1, // wpml, ignore language filter
'posts_per_page' => 1,
'tax_query' => array(
array(
'taxonomy' => 'ml-slider',
'field' => 'slug',
'terms' => $this->slider->ID
)
)
);
$query = new WP_Query( $args );
while ( $query->have_posts() ) {
$query->next_post();
$menu_order = $query->post->menu_order;
}
wp_reset_query();
// increment
$menu_order = $menu_order + 1;
// update the slide
wp_update_post( array(
'ID' => $this->slide->ID,
'menu_order' => $menu_order
)
);
}
/**
* If the meta doesn't exist, add it
* If the meta exists, but the value is empty, delete it
* If the meta exists, update it
*
* @param int $post_id Post ID
* @param string $name SLider Name
* @param int $value Slaider Value
*/
public function add_or_update_or_delete_meta( $post_id, $name, $value ) {
$key = "ml-slider_" . $name;
if ( $value == 'false' || $value == "" || ! $value ) {
if ( get_post_meta( $post_id, $key ) ) {
delete_post_meta( $post_id, $key );
}
} else {
if ( get_post_meta( $post_id, $key ) ) {
update_post_meta( $post_id, $key, $value );
} else {
add_post_meta( $post_id, $key, $value, true );
}
}
}
/**
* Detect a [metaslider] or [ml-slider] shortcode in the slide caption, which has an ID that matches the current slideshow ID
*
* @param string $content Content for shortcode
* @return boolean
*/
protected function detect_self_metaslider_shortcode( $content ) {
$pattern = get_shortcode_regex();
if ( preg_match_all( '/'. $pattern .'/s', $content, $matches ) && array_key_exists( 2, $matches ) && ( in_array( 'metaslider', $matches[2] ) || in_array( 'ml-slider', $matches[2] ) ) ) {
// caption contains [metaslider] shortcode
if ( array_key_exists( 3, $matches ) && array_key_exists( 0, $matches[3] ) ) {
// [metaslider] shortcode has attributes
$attributes = shortcode_parse_atts( $matches[3][0] );
if ( isset( $attributes['id'] ) && $attributes['id'] == $this->slider->ID ) {
// shortcode has ID attribute that matches the current slideshow ID
return true;
}
}
}
return false;
}
/**
* Get the attachment ID
*
* @return Integer - the attachment ID
*/
public function get_attachment_id() {
if ('attachment' == $this->slide->post_type) {
return $this->slide->ID;
} else {
return get_post_thumbnail_id($this->slide->ID);
}
}
/**
* Get the thumbnail for the slide
*/
public function get_thumb() {
if ( get_post_type( $this->slide->ID ) == 'attachment' ) {
$image = wp_get_attachment_image_src( $this->slide->ID, 'thumbnail');
} else {
$image = wp_get_attachment_image_src( get_post_thumbnail_id( $this->slide->ID ) , 'thumbnail');
}
if ( isset( $image[0] ) ) {
return $image[0];
}
return "";
}
}
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