taxonomy-filter-bulks.php

<?php
/**
 * Manage bulk columns
 *
 * @param array $columns
 *
 * @return array
 */
function taxonomy_filter_manage_bulk_columns( $columns ) {
	$new_columns = array();
	foreach ( $columns as $key => $value ) {
		$new_columns[ $key ] = $value;
		if ( $key == 'title' ) {
			if ( ! TFP_ONLY_DEFAULT_CATEGORY_BULK_FILTER ) {
				// Use all the taxonomy filters
				$options = get_option( TFP_PREFIX );
				$show_filter = true;

				// Loop over taxonomy_filter option items
				if ( ! empty( $options ) ) {
					foreach ( $options as $taxonomy ) {
						// If current taxonomy is enabled for replace add filter box
						if ( is_object( $taxonomy ) && $taxonomy->replace == 1 ) {
							if ( $taxonomy->hide_blank == 1 ) {
								$terms = get_terms( $taxonomy->slug );
								$show_filter = ! empty( $terms );
							}

							// Show filter box
							if ( $show_filter ) {
								$new_columns[ TFP_PREFIX . '_field_' . $taxonomy->slug ] = 'Taxonomy ' . $taxonomy->slug . ' filter';
							}
						}
					}
				}
			}
			else {
				// Use only taxonomy category filter
				$new_columns[ 'taxonomy_filter_field_category' ] = 'Taxonomy category filter';
			}
		}
	}
	return $new_columns;
}
add_filter( 'manage_posts_columns', 'taxonomy_filter_manage_bulk_columns', 10, 1 );

/**
 * Manage bulk fields
 *
 * @param $column_name
 */
function taxonomy_filter_add_to_bulk_quick_edit_custom_box($column_name) {
	// Get hidden taxonomies
	$options = get_option( TFP_OPTIONS );
	$hidden_taxonomies = $options->hidden;
	if ( empty( $hidden_taxonomies ) ) $hidden_taxonomies = array();

	// Get current user hidden taxonomies
	$user = wp_get_current_user();
	$user_hidden_taxonomies = get_user_meta( $user->ID, TFP_META_HIDDEN_TAXONOMIES, true );
	if ( empty( $user_hidden_taxonomies ) ) $user_hidden_taxonomies = array();

	// Check if is a taxonomy filter column (now only for category taxonomy)
	if ( strpos( $column_name, 'taxonomy_filter_field_' )  !== false ) {
		// Get filter category slug
		$taxonomy_field = substr( $column_name, 22 );
		?>
		<fieldset class="inline-edit-col-right" id="<?php echo TFP_PREFIX . '_fieldset_' . $taxonomy_field ?>">
			<div class="inline-edit-col">
				<div class="inline-edit-group">
					<label>
						<span class="title" id="<?php echo TFP_PREFIX . '_title_' . $taxonomy_field ?>"><?php _e( 'Filter by', TFP_PREFIX ) ?> "<?php echo $taxonomy_field ?>"</span>
						<input type="text" id="<?php echo TFP_PREFIX . '_value_' . $taxonomy_field ?>" name="<?php echo TFP_PREFIX . '_value_' . $taxonomy_field ?>" value="" />
					</label>
				</div>
			</div>
		</fieldset>

		<script type="text/javascript">
			jQuery(document).ready(function() {
				// Get categories bulk edit section container
				var current_categories = jQuery('.inline-edit-categories');

				// Search if categories container has current taxonomy filter category list
				var current_filter_ul_categories = current_categories.find('<?php echo ".".$taxonomy_field."-checklist" ?>');

				if (current_filter_ul_categories.length === 0) {
					// Categories container not found, hide taxonomy filter fieldset
					var current_filter_fieldset = jQuery('<?php echo "#".TFP_PREFIX."_fieldset_".$taxonomy_field ?>');
					current_filter_fieldset.css('display', 'none');
				}
				else {
					// Apply user hidden taxonomies filter (for inline edit)
					jQuery('<?php echo "." . $taxonomy_field . "-checklist" ?>').find('li').each(function () {
						var hidden_taxonomies_array = [];
						var user_hidden_taxonomies_array = [];
						var taxonomy_id = jQuery(this).attr('id');
						var normalized_taxonomy_id = taxonomy_id.replace('<?php echo $taxonomy_field . "-" ?>', '');
						hidden_taxonomies_array = <?php echo json_encode($hidden_taxonomies) ?>;
						user_hidden_taxonomies_array = <?php echo json_encode($user_hidden_taxonomies) ?>;

						// Remove taxonomy checking hidden values
						if (hidden_taxonomies_array[normalized_taxonomy_id] === 1) {
							jQuery(this).remove();
						}

						// Remove taxonomy checking user hidden values
						if (jQuery.inArray(normalized_taxonomy_id, user_hidden_taxonomies_array) !== -1) {
							jQuery(this).remove();
						}
					});

					// Input value KeyUp event management
					jQuery('<?php echo "#".TFP_PREFIX."_value_".$taxonomy_field ?>').keyup(function () {
						// Read current taxonomy filter value
						var filter_value = jQuery(this).val();
						var filter_value_parent_row = jQuery(this).parents('tr.inline-edit-row.quick-edit-row.inline-editor').attr('id');
						var filter_ul_class = '#' + filter_value_parent_row + '<?php echo " .".$taxonomy_field."-checklist" ?>';

						jQuery(filter_ul_class).find("li").each(function () {
							// Clean up all classes on KeyUp event
							jQuery(this).removeClass("filter-exists");
							jQuery(this).parent("ul.children").removeClass("filter-exists");
						});

						jQuery(filter_ul_class).find("input[type='checkbox']").each(function () {
							// Loop over taxonomy checkboxes
							var filter_item = jQuery(this).parent(); // checkbox label element
							var filter_li = jQuery(this).parent().parent(); // checkbox li element

							if (filter_item.text().toLowerCase().indexOf(filter_value.toLowerCase()) > -1) {
								// Show checkbox if text match with filter value
								filter_li.show();
								// Add "filter-exists" class to identify valid filtered items
								filter_li.addClass("filter-exists");
								// Add class to all parent UL if at least a valid filtered item exists
								filter_li.parents("ul.children").addClass("filter-exists");
							}
						});

						jQuery(filter_ul_class).find("li:not(.filter-exists)").each(function () {
							// Hide items without children or show previously hidden items (now valid)
							if (jQuery(this).children("ul.children.filter-exists").length === 0 && jQuery(this).parent("ul.children").parent("li.filter-exists").length === 0) {
								// Hide items (without a child with class "filter-exists" or without a parent with class "filter-exists")
								jQuery(this).hide();
							}
							else {
								// Show items (with at least a child with class "filter-exists")
								jQuery(this).show();
							}
						});
					});
				}

				// Disable hide taxonomy filter bulk fields option
				jQuery('<?php echo "#".TFP_PREFIX."_field_".$taxonomy_field."-hide" ?>').parent("label").css("display", "none");
			});
		</script>
		<?php
	}
}
add_action( 'bulk_edit_custom_box', 'taxonomy_filter_add_to_bulk_quick_edit_custom_box', 10, 1 );
add_action( 'quick_edit_custom_box', 'taxonomy_filter_add_to_bulk_quick_edit_custom_box', 10, 1 );

/**
 * Add custom CSS to admin pages to hide bulk columns
 */
function taxonomy_filter_admin_hide_bulk_columns_css() {
	if ( ! TFP_ONLY_DEFAULT_CATEGORY_BULK_FILTER ) {
		// Use all the taxonomy filters
		$options = get_option( TFP_PREFIX );
		$show_filter = true;

		if ( ( is_array( $options ) || is_object( $options ) ) && ! empty( $options ) && count( (array) $options ) > 0 ) {
			?>
			<style type="text/css">
				<?php
				// Loop over taxonomy_filter option items
				foreach ( $options as $taxonomy ) {
					// If current taxonomy is enabled for replace add filter box
					if ( is_object( $taxonomy ) && $taxonomy->replace == 1 ) {
						if ( $taxonomy->hide_blank == 1 ) {
							$terms = get_terms( $taxonomy->slug );
							$show_filter = ! empty($terms );
						}

						// Show filter box
						if ( $show_filter ) {
							echo '.column-' . TFP_PREFIX . '_field_' . $taxonomy->slug . ' {display: none !important;} ';
						}
					}
				}
				?>
			</style>
			<?php
		}
	}
	else {
		// Use only taxonomy category filter
		?>
		<style type="text/css">
			.column-taxonomy_filter_field_category {display: none !important;}
		</style>
		<?php
	}
}
add_action( 'admin_head', 'taxonomy_filter_admin_hide_bulk_columns_css' );