# code-snippets/2.10.1/php/class-list-table.php
Code Snippets, version 2.10.1. 1,071 lines.
- Page: https://pluginprobe.com/plugins/code-snippets/2.10.1/code/php/class-list-table.php
- Raw: https://pluginprobe.com/plugins/code-snippets/2.10.1/raw/php/class-list-table.php
- Modified: 2018-07-21T13:04:06+00:00
Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/code-snippets/2.10.1/code/php/class-list-table.php#L10-L20`.
```php
is_network = is_network_admin();
/* Determine the status */
$status = 'all';
if ( isset( $_REQUEST['status'] ) && in_array( $_REQUEST['status'], $this->statuses ) ) {
$status = $_REQUEST['status'];
}
/* Add the search query to the URL */
if ( isset( $_REQUEST['s'] ) ) {
$_SERVER['REQUEST_URI'] = add_query_arg( 's', stripslashes( $_REQUEST['s'] ) );
}
/* Add a snippets per page screen option */
$page = $this->get_pagenum();
add_screen_option( 'per_page', array(
'label' => __( 'Snippets per page', 'code-snippets' ),
'default' => 999,
'option' => 'snippets_per_page',
) );
/* Set the table columns hidden in Screen Options by default */
add_filter( "get_user_option_manage{$screen->id}columnshidden", array( $this, 'get_default_hidden_columns' ), 15 );
/* Strip the result query arg from the URL */
$_SERVER['REQUEST_URI'] = remove_query_arg( 'result' );
/* Add filters to format the snippet description in the same way the post content is formatted */
$filters = array( 'wptexturize', 'convert_smilies', 'convert_chars', 'wpautop', 'shortcode_unautop', 'capital_P_dangit' );
foreach ( $filters as $filter ) {
add_filter( 'code_snippets/list_table/print_snippet_description', $filter );
}
/* Setup the class */
parent::__construct( array(
'ajax' => true,
'plural' => 'snippets',
'singular' => 'snippet',
) );
}
/**
* Define the output of all columns that have no callback function
*
* @param Code_Snippet $snippet The snippet used for the current row
* @param string $column_name The name of the column being printed
*
* @return string The content of the column to output
*/
protected function column_default( $snippet, $column_name ) {
switch ( $column_name ) {
case 'id':
return $snippet->id;
case 'description':
return empty( $snippet->desc ) ? '—' :
apply_filters( 'code_snippets/list_table/column_description', $snippet->desc );
default:
return apply_filters( "code_snippets/list_table/column_{$column_name}", $snippet );
}
}
/**
* Build a list of action links for individual snippets
*
* @param Code_Snippet $snippet The current snippet
*
* @return array The action links HTML
*/
private function get_snippet_action_links( Code_Snippet $snippet ) {
$actions = array();
$link_format = '%1$s';
if ( $this->is_network || ! $snippet->network ) {
if ( $snippet->active ) {
$actions['deactivate'] = sprintf(
$link_format,
$snippet->network ? esc_html__( 'Network Deactivate', 'code-snippets' ) : esc_html__( 'Deactivate', 'code-snippets' ),
esc_url( add_query_arg( array(
'action' => 'deactivate',
'id' => $snippet->id,
) ) )
);
} elseif ( 'single-use' === $snippet->scope ) {
$actions['run_once'] = sprintf(
$link_format,
esc_html__( 'Run Once', 'code-snippets' ),
esc_url( add_query_arg( array(
'action' => 'run-once',
'id' => $snippet->id,
) ) )
);
} else {
$actions['activate'] = sprintf(
$link_format,
$snippet->network ? esc_html__( 'Network Activate', 'code-snippets' ) : esc_html__( 'Activate', 'code-snippets' ),
esc_url( add_query_arg( array(
'action' => 'activate',
'id' => $snippet->id,
) ) )
);
}
$actions['edit'] = sprintf(
$link_format,
esc_html__( 'Edit', 'code-snippets' ),
code_snippets()->get_snippet_edit_url( $snippet->id )
);
$actions['export'] = sprintf(
$link_format,
esc_html__( 'Export', 'code-snippets' ),
esc_url( add_query_arg( array(
'action' => 'export',
'id' => $snippet->id,
) ) )
);
$actions['delete'] = sprintf(
'%1$s',
esc_html__( 'Delete', 'code-snippets' ),
esc_url( add_query_arg( array(
'action' => 'delete',
'id' => $snippet->id,
) ) ),
esc_js( sprintf(
'return confirm("%s");',
esc_html__( 'You are about to permanently delete the selected item.', 'code-snippets' ) . "\n" .
esc_html__( "'Cancel' to stop, 'OK' to delete.", 'code-snippets' )
) )
);
} else {
if ( $snippet->active ) {
$actions['network_active'] = esc_html__( 'Network Active', 'code-snippets' );
} else {
$actions['network_only'] = esc_html__( 'Network Only', 'code-snippets' );
}
}
return $actions;
}
/**
* Build a list of action links for individual shared network snippets
*
* @param Code_Snippet $snippet The current snippet
*
* @return array The action links HTML
*/
private function get_shared_network_snippet_action_links( Code_Snippet $snippet ) {
$actions = array();
$link_format = '%1$s';
/* Only add Activate/Deactivate for subsites */
if ( ! $this->is_network ) {
$action = $snippet->active ? 'deactivate' : 'activate';
$label = $snippet->active ? esc_html__( 'Deactivate', 'code-snippets' ) : esc_html__( 'Activate', 'code-snippets' );
$activate_url = add_query_arg( array(
'action' => $action . '-shared',
'id' => $snippet->id,
) );
$actions[ $action ] = sprintf( $link_format, $label, esc_url( $activate_url ) );
}
/* Don't add Edit/Export/Delete actions for if current user can't manage network snippets */
if ( ! current_user_can( code_snippets()->get_network_cap_name() ) ) {
return $actions;
}
$actions['edit'] = sprintf(
$link_format,
esc_html__( 'Edit', 'code-snippets' ),
code_snippets()->get_snippet_edit_url( $snippet->id, 'network' )
);
$actions['export'] = sprintf(
$link_format,
esc_html__( 'Export', 'code-snippets' ),
add_query_arg(
array(
'action' => 'export',
'id' => $snippet->id,
),
code_snippets()->get_menu_url( 'manage', 'network' )
)
);
$actions['delete'] = sprintf(
'%1$s',
esc_html__( 'Delete', 'code-snippets' ),
add_query_arg(
array(
'action' => 'delete',
'id' => $snippet->id,
),
code_snippets()->get_menu_url( 'manage', 'network' )
),
esc_js( sprintf(
'return confirm("%s");',
esc_html__( 'You are about to permanently delete the selected item.', 'code-snippets' ) . "\n" .
esc_html__( "'Cancel' to stop, 'OK' to delete.", 'code-snippets' )
) )
);
return $actions;
}
/**
* Build the content of the snippet name column
*
* @param Code_Snippet $snippet The snippet being used for the current row
*
* @return string The content of the column to output
*/
protected function column_name( $snippet ) {
$action_links = $snippet->shared_network ?
$this->get_shared_network_snippet_action_links( $snippet ) :
$this->get_snippet_action_links( $snippet );
$title = empty( $snippet->name ) ? sprintf( __( 'Untitled #%d', 'code-snippets' ), $snippet->id ) : $snippet->name;
$row_actions = $this->row_actions( $action_links,
apply_filters( 'code_snippets/list_table/row_actions_always_visible', true )
);
$out = esc_html( $title );
if ( 'global' !== $snippet->scope ) {
$out .= ' ';
}
/* Only bold active snippets */
if ( $snippet->active ) {
$out = sprintf( '%s', $out );
}
/* Add a link to the snippet if it isn't an unreadable network-only snippet */
if ( $this->is_network || ! $snippet->network || current_user_can( code_snippets()->get_network_cap_name() ) ) {
$out = sprintf(
'%s',
code_snippets()->get_snippet_edit_url( $snippet->id, $snippet->network ? 'network' : 'admin' ),
$out
);
}
if ( $snippet->shared_network ) {
$out .= ' ' . esc_html__( 'Shared on Network', 'code-snippets' ) . '';
}
/* Return the name contents */
return apply_filters( 'code_snippets/list_table/column_name', $out, $snippet ) . $row_actions;
}
/**
* Builds the checkbox column content
*
* @param Code_Snippet $snippet The snippet being used for the current row
*
* @return string The column content to be printed
*/
protected function column_cb( $snippet ) {
$out = sprintf(
'',
$snippet->shared_network ? 'shared_ids' : 'ids',
$snippet->id
);
return apply_filters( 'code_snippets/list_table/column_cb', $out, $snippet );
}
/**
* Output the content of the tags column
* This function is used once for each row
*
* @since 2.0
*
* @param Code_Snippet $snippet The snippet being used for the current row
*
* @return string The column output
*/
protected function column_tags( $snippet ) {
/* Return a placeholder if there are no tags */
if ( empty( $snippet->tags ) ) {
return '—';
}
$out = array();
/* Loop through the tags and create a link for each one */
foreach ( $snippet->tags as $tag ) {
$out[] = sprintf( '%s',
esc_url( add_query_arg( 'tag', esc_attr( $tag ) ) ),
esc_html( $tag )
);
}
return join( ', ', $out );
}
/**
* Define the column headers for the table
*
* @return array The column headers, ID paired with label
*/
public function get_columns() {
$columns = array(
'cb' => '',
'name' => __( 'Name', 'code-snippets' ),
'id' => __( 'ID', 'code-snippets' ),
'description' => __( 'Description', 'code-snippets' ),
'tags' => __( 'Tags', 'code-snippets' ),
);
if ( ! code_snippets_get_setting( 'general', 'enable_description' ) ) {
unset( $columns['description'] );
}
if ( ! code_snippets_get_setting( 'general', 'enable_tags' ) ) {
unset( $columns['tags'] );
}
return apply_filters( 'code_snippets/list_table/columns', $columns );
}
/**
* Define the columns that can be sorted
*
* @return array The IDs of the columns that can be sorted
*/
public function get_sortable_columns() {
$sortable_columns = array(
'id' => array( 'id', true ),
'name' => array( 'name', false ),
);
return apply_filters( 'code_snippets/list_table/sortable_columns', $sortable_columns );
}
/**
* Define the columns that are hidden by default
*
* @param mixed $result
* @return mixed|array
*/
public function get_default_hidden_columns( $result ) {
return $result ? $result : array( 'id' );
}
/**
* Define the bulk actions to include in the drop-down menus
*
* @return array An array of menu items with the ID paired to the label
*/
public function get_bulk_actions() {
$actions = array(
'activate-selected' => $this->is_network ? __( 'Network Activate', 'code-snippets' ) : __( 'Activate', 'code-snippets' ),
'deactivate-selected' => $this->is_network ? __( 'Network Deactivate', 'code-snippets' ) : __( 'Deactivate', 'code-snippets' ),
'download-selected' => __( 'Download', 'code-snippets' ),
'export-selected' => __( 'Export', 'code-snippets' ),
'delete-selected' => __( 'Delete', 'code-snippets' ),
);
return apply_filters( 'code_snippets/list_table/bulk_actions', $actions );
}
/**
* Retrieve the classes for the table
*
* We override this in order to add 'snippets' as a class for custom styling
*
* @return array The classes to include on the table element
*/
public function get_table_classes() {
$classes = array( 'widefat', $this->_args['plural'] );
return apply_filters( 'code_snippets/list_table/table_classes', $classes );
}
/**
* Retrieve the 'views' of the table
*
* Example: active, inactive, recently active
*
* @return array A list of the view labels linked to the view
*/
public function get_views() {
global $totals, $status;
$status_links = array();
/* Loop through the view counts */
foreach ( $totals as $type => $count ) {
/* Don't show the view if there is no count */
if ( ! $count ) {
continue;
}
/* Define the labels for each view */
$labels = array(
'all' => _n( 'All (%s)', 'All (%s)', $count, 'code-snippets' ),
'active' => _n( 'Active (%s)', 'Active (%s)', $count, 'code-snippets' ),
'inactive' => _n( 'Inactive (%s)', 'Inactive (%s)', $count, 'code-snippets' ),
'recently_activated' => _n( 'Recently Active (%s)', 'Recently Active (%s)', $count, 'code-snippets' ),
);
/* The page URL with the status parameter */
$url = esc_url( add_query_arg( 'status', $type ) );
/* Add a class if this view is currently being viewed */
$class = $type === $status ? ' class="current"' : '';
/* Add the view count to the label */
$text = sprintf( $labels[ $type ], number_format_i18n( $count ) );
/* Construct the link */
$status_links[ $type ] = sprintf( '%s', $url, $class, $text );
}
/* Filter and return the list of views */
return apply_filters( 'code_snippets/list_table/views', $status_links );
}
/**
* Gets the tags of the snippets currently being viewed in the table
* @since 2.0
*/
public function get_current_tags() {
global $snippets, $status;
/* If we're not viewing a snippets table, get all used tags instead */
if ( ! isset( $snippets, $status ) ) {
return get_all_snippet_tags();
}
$tags = array();
/* Merge all tags into a single array */
foreach ( $snippets[ $status ] as $snippet ) {
$tags = array_merge( $snippet->tags, $tags );
}
/* Remove duplicate tags */
return array_values( array_unique( $tags, SORT_REGULAR ) );
}
/**
* Add filters and extra actions above and below the table
* @param string $which Are the actions displayed on the table top or bottom
*/
public function extra_tablenav( $which ) {
global $status, $wpdb;
if ( 'top' === $which ) {
/* Tags dropdown filter */
$tags = $this->get_current_tags();
if ( count( $tags ) ) {
$query = isset( $_GET['tag'] ) ? $_GET['tag'] : '';
echo '';
echo '';
submit_button( __( 'Filter', 'code-snippets' ), 'button', 'filter_action', false );
echo '
';
}
}
echo '';
if ( 'recently_activated' === $status ) {
submit_button( __( 'Clear List', 'code-snippets' ), 'secondary', 'clear-recent-list', false );
}
do_action( 'code_snippets/list_table/actions', $which );
echo '
';
}
/**
* Output form fields needed to preserve important
* query vars over form submissions
*
* @param string $context In what context are the fields being outputted?
*/
public function required_form_fields( $context = 'main' ) {
$vars = apply_filters(
'code_snippets/list_table/required_form_fields',
array( 'page', 's', 'status', 'paged', 'tag' ),
$context
);
if ( 'search_box' === $context ) {
/* Remove the 's' var if we're doing this for the search box */
$vars = array_diff( $vars, array( 's' ) );
}
foreach ( $vars as $var ) {
if ( ! empty( $_REQUEST[ $var ] ) ) {
printf( '', esc_attr( $var ), esc_attr( $_REQUEST[ $var ] ) );
print "\n";
}
}
do_action( 'code_snippets/list_table/print_required_form_fields', $context );
}
/**
* Clear the recently activated snippets list if we've clicked the button
* @return string The action to execute
*/
public function current_action() {
if ( isset( $_POST['clear-recent-list'] ) ) {
$action = 'clear-recent-list';
} else {
$action = parent::current_action();
}
return apply_filters( 'code_snippets/list_table/current_action', $action );
}
/**
* Processes a bulk action
*
* @uses activate_snippet() to activate snippets
* @uses deactivate_snippet() to deactivate snippets
* @uses delete_snippet() to delete snippets
* @uses wp_redirect() to pass the results to the current page
* @uses add_query_arg() to append the results to the current URI
*/
public function process_bulk_actions() {
if ( isset( $_GET['action'], $_GET['id'] ) ) {
$id = absint( $_GET['id'] );
$action = sanitize_key( $_GET['action'] );
$_SERVER['REQUEST_URI'] = remove_query_arg( array( 'action', 'id' ) );
if ( 'activate' === $action ) {
activate_snippet( $id, $this->is_network );
$result = 'activated';
}
elseif ( 'run-once' === $action ) {
activate_snippet( $id, $this->is_network );
$result = 'executed';
}
elseif ( 'deactivate' === $action ) {
deactivate_snippet( $id, $this->is_network );
$result = 'deactivated';
}
elseif ( 'activate-shared' === $action ) {
$active_shared_snippets = get_option( 'active_shared_network_snippets', array() );
if ( ! in_array( $id, $active_shared_snippets ) ) {
$active_shared_snippets[] = $id;
update_option( 'active_shared_network_snippets', $active_shared_snippets );
}
$result = 'activated';
}
elseif ( 'deactivate-shared' === $action ) {
$active_shared_snippets = get_option( 'active_shared_network_snippets', array() );
update_option( 'active_shared_network_snippets', array_diff( $active_shared_snippets, array( $id ) ) );
$result = 'deactivated';
}
elseif ( 'delete' === $action ) {
delete_snippet( $id, $this->is_network );
$result = 'deleted';
}
elseif ( 'export' === $action ) {
export_snippets( array( $id ) );
}
elseif ( 'download' === $action ) {
download_snippets( array( $id ) );
}
if ( isset( $result ) ) {
wp_redirect( esc_url_raw( add_query_arg( 'result', $result ) ) );
exit;
}
}
if ( ! isset( $_POST['ids'] ) && ! isset( $_POST['shared_ids'] ) ) {
return;
}
$ids = isset( $_POST['ids'] ) ? $_POST['ids'] : array();
$_SERVER['REQUEST_URI'] = remove_query_arg( 'action' );
switch ( $this->current_action() ) {
case 'activate-selected':
foreach ( $ids as $id ) {
activate_snippet( $id, $this->is_network );
}
/* Process the shared network snippets */
if ( isset( $_POST['shared_ids'] ) && is_multisite() && ! $this->is_network ) {
$active_shared_snippets = get_option( 'active_shared_network_snippets', array() );
foreach ( $_POST['shared_ids'] as $id ) {
if ( ! in_array( $id, $active_shared_snippets ) ) {
$active_shared_snippets[] = $id;
}
}
update_option( 'active_shared_network_snippets', $active_shared_snippets );
}
wp_redirect( esc_url_raw( add_query_arg( 'result', 'activated-multi' ) ) );
exit;
case 'deactivate-selected':
foreach ( $ids as $id ) {
deactivate_snippet( $id, $this->is_network );
}
/* Process the shared network snippets */
if ( isset( $_POST['shared_ids'] ) && is_multisite() && ! $this->is_network ) {
$active_shared_snippets = get_option( 'active_shared_network_snippets', array() );
$active_shared_snippets = ( '' === $active_shared_snippets ) ? array() : $active_shared_snippets;
$active_shared_snippets = array_diff( $active_shared_snippets, $_POST['shared_ids'] );
update_option( 'active_shared_network_snippets', $active_shared_snippets );
}
wp_redirect( esc_url_raw( add_query_arg( 'result', 'deactivated-multi' ) ) );
exit;
case 'export-selected':
export_snippets( $ids );
break;
case 'download-selected':
download_snippets( $ids );
break;
case 'delete-selected':
foreach ( $ids as $id ) {
delete_snippet( $id, $this->is_network );
}
wp_redirect( esc_url_raw( add_query_arg( 'result', 'deleted-multi' ) ) );
exit;
case 'clear-recent-list':
if ( $this->is_network ) {
update_site_option( 'recently_activated_snippets', array() );
} else {
update_option( 'recently_activated_snippets', array() );
}
break;
}
}
/**
* Message to display if no snippets are found
*/
public function no_items() {
esc_html_e( 'Whoops, it looks like no snippets could be found.', 'code-snippets' );
printf(
' %s',
esc_url( code_snippets()->get_menu_url( 'add' ) ),
esc_html__( 'Perhaps you would like to add a new one?', 'code-snippets' )
);
}
/**
*
*/
private function fetch_shared_network_snippets() {
/** @var wpdb $wpdb */
global $snippets, $wpdb;
if ( ! is_multisite() || ! $ids = get_site_option( 'shared_network_snippets', false ) ) {
return;
}
if ( $this->is_network ) {
$limit = count( $snippets['all'] );
/** @var Code_Snippet $snippet */
for ( $i = 0; $i < $limit; $i++ ) {
$snippet = &$snippets['all'][ $i ];
if ( in_array( $snippet->id, $ids ) ) {
$snippet->shared_network = true;
$snippet->tags = array_merge( $snippet->tags, array( 'shared on network' ) );
$snippet->active = false;
}
}
} else {
$active_shared_snippets = get_option( 'active_shared_network_snippets', array() );
$sql = sprintf( "SELECT * FROM {$wpdb->ms_snippets} WHERE id IN (%s)",
implode( ',', array_fill( 0, count( $ids ), '%d' ) )
);
$shared_snippets = $wpdb->get_results( $wpdb->prepare( $sql, $ids ), ARRAY_A );
foreach ( $shared_snippets as $index => $snippet ) {
$snippet = new Code_Snippet( $snippet );
$snippet->network = true;
$snippet->shared_network = true;
$snippet->tags = array_merge( $snippet->tags, array( 'shared on network' ) );
$snippet->active = in_array( $snippet->id, $active_shared_snippets );
$shared_snippets[ $index ] = $snippet;
}
$snippets['all'] = array_merge( $snippets['all'], $shared_snippets );
}
}
/**
* Prepares the items to later display in the table.
* Should run before any headers are sent.
*/
public function prepare_items() {
global $status, $snippets, $totals, $s;
wp_reset_vars( array( 'orderby', 'order', 's' ) );
$screen = get_current_screen();
$user = get_current_user_id();
/* First, lets process the bulk actions */
$this->process_bulk_actions();
/* Initialize the $snippets array */
$snippets = array_fill_keys( $this->statuses, array() );
/* Fetch all snippets */
if ( is_multisite() && ! $this->is_network && current_user_can( code_snippets()->get_network_cap_name() ) &&
code_snippets_get_setting( 'general', 'show_network_snippets' ) ) {
$network_snippets = get_snippets( array(), true );
$network_snippets = array_filter( $network_snippets, array( $this, 'exclude_shared_network_snippets' ) );
$local_snippets = get_snippets( array(), false );
$snippets['all'] = array_merge( $local_snippets, $network_snippets );
} else {
$snippets['all'] = get_snippets( array() );
}
$snippets['all'] = apply_filters( 'code_snippets/list_table/get_snippets', $snippets['all'] );
/* Fetch shared network snippets */
$this->fetch_shared_network_snippets();
/* Redirect POST'ed tag filter to GET */
if ( isset( $_POST['tag'] ) ) {
$location = empty( $_POST['tag'] ) ? remove_query_arg( 'tag' ) : add_query_arg( 'tag', $_POST['tag'] );
wp_redirect( esc_url_raw( $location ) );
exit;
}
/* Add scope tags */
if ( code_snippets_get_setting( 'general', 'snippet_scope_enabled' ) ) {
foreach ( $snippets['all'] as $snippet ) {
if ( 'global' !== $snippet->scope ) {
$snippet->tags = array_merge( $snippet->tags, array( $snippet->scope ) );
}
}
}
/* Filter snippets by tag */
if ( ! empty( $_GET['tag'] ) ) {
$snippets['all'] = array_filter( $snippets['all'], array( $this, 'tags_filter_callback' ) );
}
/* Filter snippets based on search query */
if ( $s ) {
$snippets['all'] = array_filter( $snippets['all'], array( $this, 'search_callback' ) );
}
/* Clear recently activated snippets older than a week */
$recently_activated = $this->is_network ?
get_site_option( 'recently_activated_snippets', array() ) :
get_option( 'recently_activated_snippets', array() );
foreach ( $recently_activated as $key => $time ) {
if ( $time + WEEK_IN_SECONDS < time() ) {
unset( $recently_activated[ $key ] );
}
}
$this->is_network ?
update_site_option( 'recently_activated_snippets', $recently_activated ) :
update_option( 'recently_activated_snippets', $recently_activated );
/* Filter snippets into individual sections */
foreach ( $snippets['all'] as $snippet ) {
if ( $snippet->active ) {
$snippets['active'][] = $snippet;
} else {
$snippets['inactive'][] = $snippet;
/* Was the snippet recently activated? */
if ( isset( $recently_activated[ $snippet->id ] ) ) {
$snippets['recently_activated'][] = $snippet;
}
}
}
/* Count the totals for each section */
$totals = array();
foreach ( $snippets as $type => $list ) {
$totals[ $type ] = count( $list );
}
/* If the current status is empty, default tp all */
if ( empty( $snippets[ $status ] ) ) {
$status = 'all';
}
/* Get the current data */
$data = $snippets[ $status ];
/* Decide how many records per page to show by
getting the user's setting in the Screen Options panel */
$sort_by = $screen->get_option( 'per_page', 'option' );
$per_page = get_user_meta( $user, $sort_by, true );
if ( empty( $per_page ) || $per_page < 1 ) {
$per_page = $screen->get_option( 'per_page', 'default' );
}
$per_page = (int) $per_page;
$this->_column_headers = $this->get_column_info();
usort( $data, array( $this, 'usort_reorder_callback' ) );
/* Determine what page the user is currently looking at */
$current_page = $this->get_pagenum();
/* Check how many items are in the data array */
$total_items = count( $data );
/* The WP_List_Table class does not handle pagination for us, so we need
to ensure that the data is trimmed to only the current page. */
$data = array_slice( $data, ( ( $current_page - 1 ) * $per_page ), $per_page );
/* Now we can add our *sorted* data to the items property,
where it can be used by the rest of the class. */
$this->items = $data;
/* We register our pagination options and calculations */
$this->set_pagination_args( array(
'total_items' => $total_items, // Calculate the total number of items
'per_page' => $per_page, // Determine how many items to show on a page
'total_pages' => ceil( $total_items / $per_page ), // Calculate the total number of pages
) );
}
/**
* Callback for array_filter() to exclude shared network snippets from the
*
* @ignore
*
* @param Code_Snippet $snippet The current snippet item being filtered
*
* @return bool false if the snippet is a shared network snippet
*/
private function exclude_shared_network_snippets( $snippet ) {
return ! $snippet->shared_network;
}
/**
* Callback for usort() used to sort snippets
*
* @ignore
*
* @param Code_Snippet $a The first snippet to compare
* @param Code_Snippet $b The second snippet to compare
*
* @return int The sort order
*/
private function usort_reorder_callback( $a, $b ) {
/* If no sort, default to ID */
$orderby = (
! empty( $_REQUEST['orderby'] )
? $_REQUEST['orderby']
: apply_filters( 'code_snippets/list_table/default_orderby', 'id' )
);
/* If no order, default to ascending */
$order = (
! empty( $_REQUEST['order'] )
? $_REQUEST['order']
: apply_filters( 'code_snippets/list_table/default_order', 'asc' )
);
/* Determine sort order */
if ( 'id' === $orderby ) {
$result = $a->$orderby - $b->$orderby; // get the result for numerical data
} else {
$result = strcmp( $a->$orderby, $b->$orderby ); // get the result for string data
}
/* Send final sort direction to usort */
return ( 'asc' === $order ) ? $result : -$result;
}
/**
* Callback for search function
* @ignore
*
* @param Code_Snippet $snippet The snippet being filtered
*
* @return bool The result of the filter
*/
private function search_callback( $snippet ) {
static $term;
if ( is_null( $term ) ) {
$term = stripslashes( $_REQUEST['s'] );
}
$fields = array( 'name', 'desc', 'code', 'tags_list' );
foreach ( $fields as $field ) {
if ( false !== stripos( $snippet->$field, $term ) ) {
return true;
}
}
return false;
}
/**
* Callback for filtering snippets by tag
*
* @ignore
*
* @param Code_Snippet $snippet The snippet being filtered
*
* @return bool The result of the filter
*/
private function tags_filter_callback( $snippet ) {
$tags = explode( ',', $_GET['tag'] );
foreach ( $tags as $tag ) {
if ( in_array( $tag, $snippet->tags ) ) {
return true;
}
}
}
/**
* Display a notice showing the current search terms
*
* @since 1.7
*/
public function search_notice() {
if ( ! empty( $_REQUEST['s'] ) || ! empty( $_GET['tag'] ) ) {
echo '' . __( 'Search results', 'code-snippets' );
if ( ! empty( $_REQUEST['s'] ) ) {
echo sprintf( __( ' for “%s”', 'code-snippets' ), esc_html( $_REQUEST['s'] ) );
}
if ( ! empty( $_GET['tag'] ) ) {
echo sprintf( __( ' in tag “%s”', 'code-snippets' ), esc_html( $_GET['tag'] ) );
}
echo '';
printf(
' %s',
esc_url( remove_query_arg( array( 's', 'tag' ) ) ),
__( 'Clear Filters', 'code-snippets' )
);
}
}
/**
* Outputs content for a single row of the table
*
* @param Code_Snippet $snippet The snippet being used for the current row
*/
public function single_row( $snippet ) {
$row_class = ( $snippet->active ? 'active' : 'inactive' );
if ( code_snippets_get_setting( 'general', 'snippet_scope_enabled' ) ) {
$row_class .= sprintf( ' %s-scope', $snippet->scope );
}
if ( $snippet->shared_network ) {
$row_class .= ' shared-network';
}
printf( '', $row_class );
$this->single_row_columns( $snippet );
echo '
';
}
} // end of class
```