Use the new Text Modules custom post type and display a text module by either shortcode or widget.
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text-modules.php

README.md

Text Modules

Have you ever wanted to use some pieces of text information more than once? For instance, contact information such as a postal address? Or some slogan, motto or claim?

This is exactly when Text Modules kicks in.

Installation

  1. Upload the text-modules folder to the /wp-content/plugins/ directory on your web server.
  2. Activate the plugin through the Plugins menu in WordPress.
  3. Find the new Text Modules menu in your WordPress backend.

Usage

This plugin registers a simple post type for text modules. A text module can be accessed either via shortcode (by means of the text module's ID or slug) or via a new Tex Modules widget.

Filters

In order to customize certain aspects of the plugin, it provides you with several filters. For each of these, a short description as well as a code example on how to alter the default behavior is given below. Just put the according code snippet in your theme's functions.php file or your customization plugin, or to some other appropriate place.

text_modules_after_widget_content

This filter lets you alter the HTML after the widget content.

/**
 * Filter the HTML after the widget content.
 *
 * @param string $after_widget_content Some HTML after the widget content.
 */
add_filter( 'text_modules_after_widget_content', function() {

	return '<!-- End of Text Modules widget content -->';
} );

text_modules_before_widget_content

This filter lets you alter the HTML before the widget content.

/**
 * Filter the HTML before the widget content.
 *
 * @param string $before_widget_content Some HTML before the widget content.
 */
add_filter( 'text_modules_before_widget_content', function() {

	return '<!-- Start of Text Modules widget content -->';
} );

text_modules_post_type

Yes, you can alter the post type (slug).

/**
 * Filter the post type.
 *
 * @param string $post_type Post type.
 */
add_filter( 'text_modules_post_type', function() {

	return 'exotic_stuff';
} );

text_modules_post_type_args

If you want to alter a specific post type argument but you can't find a fitting filter, there's text_modules_post_type_args, which provides you with the complete args array.

/**
 * Filter the post type args.
 *
 * @param array $args Post type args.
 */
add_filter( 'text_modules_post_type_args', function( $args ) {

	// Use hierarchical external content
	$args[ 'hierarchical' ] = TRUE;

	return $args;
} );

text_modules_post_type_description

The post type description can be customized by using the text_modules_post_type_description filter.

/**
 * Filter the post type description.
 *
 * @param string $description Post type description.
 */
add_filter( 'text_modules_post_type_description', function() {

	// Provide a description
	return 'Simple post type for text modules.';
} );

text_modules_post_type_labels

In case you don't like the labels, easily adapt them to your liking.

/**
 * Filter the post type labels.
 *
 * @param array $labels Post type labels.
 */
add_filter( 'text_modules_post_type_labels', function( $labels ) {

	// A little more horror, please...
	$labels[ 'not_found' ] = 'ZOMG, no text module found!!1!!1!!oneone!!!1!eleven!1!';

	return $labels;
} );

text_modules_post_type_supports

This filter provides you with the post type supports.

/**
 * Filter the post type supports.
 *
 * @param array $supports Post type supports.
 */
add_filter( 'text_modules_post_type_supports', function( $supports ) {

	// Let's add revisions for our post type
	if ( ! in_array( 'revisions', $supports ) ) {
		$supports[] = 'revisions';
	}

	return $supports;
} );

text_modules_shortcode_apply_do_shortcode

By default, do_shortcode() will be called on the shortcode output. Of course, you can change that.

/**
 * Filter if the shortcode should apply do_shortcode() to the output.
 *
 * @param bool $do_shortcode Should the shortcode apply do_shortcode()?
 */
add_filter( 'text_modules_shortcode_apply_do_shortcode', '__return_false' );

text_modules_shortcode_callback

In case you would like to adapt how the shortcode data is handled, you can provide your own shortcode callback. This can either be a string holding the function name, or an array with either a class name or an object, and the according method.

/**
 * Filter the shortcode callback.
 *
 * @param array|string $callback Shortcode callback.
 */
add_filter( 'text_modules_shortcode_callback', function() {

	return 'my_text_modules_shortcode_callback';
} );

text_modules_shortcode_id_attribute_name

This filter lets you alter the shortcode's 'id' attribute name.

/**
 * Filter the 'id' shortcode attribute name.
 *
 * @param string $name Attribute name.
 */
add_filter( 'text_modules_shortcode_id_attribute_name', function() {

	return 'post_id';
} );

text_modules_shortcode_output

This filter lets you alter the shortcode output. The second parameter holds the shortcode attributes array.

/**
 * Filter the shortcode output.
 *
 * @param string $output Shortcode output.
 * @param array  $atts   Shortcode attributes array.
 */
add_filter( 'text_modules_shortcode_output', function( $output ) {

	return $output . ' Over and out.';
} );

text_modules_shortcode_query_args

Also, there's text_modules_shortcode_query_args, which provides you with the complete args array for the shortcode's query.

/**
 * Filter the shortcode query args.
 *
 * @param array $args Shortcode query args.
 */
add_filter( 'text_modules_shortcode_query_args', function( $args ) {

	// Exclude some text modules by ID
	$args[ 'post__not_in' ] = array( 4, 8, 15, 16, 23, 42 );

	return $args;
} );

text_modules_shortcode_slug_attribute_name

This filter lets you alter the shortcode's 'slug' attribute name.

/**
 * Filter the 'slug' shortcode attribute name.
 *
 * @param string $name Attribute name.
 */
add_filter( 'text_modules_shortcode_slug_attribute_name', function() {

	return 'post_slug';
} );

text_modules_shortcode_tag

This filter lets you alter the shortcode's tag.

/**
 * Filter the shortcode tag.
 *
 * @param string $shortcode_tag Shortcode tag.
 */
add_filter( 'text_modules_shortcode_tag', function() {

	return 'text_block';
} );

text_modules_shortcode_use_slug

By default, text modules are being queried by their post ID first. Of course, you can change that and use the post slug instead.

/**
 * Filter if the shortcode (query) should use the post slug instead of the post ID.
 *
 * @param bool $use_slug Use slug instead of ID?
 */
add_filter( 'text_modules_shortcode_use_slug', '__return_true' );

text_modules_widget_form_query_args

Also, there's text_modules_widget_form_query_args, which provides you with the complete args array for the widget form's query.

/**
 * Filter the widget form query args.
 *
 * @param array $args Query args.
 */
add_filter( 'text_modules_widget_form_query_args', function( $args ) {

	// Exclude some text modules by ID
	$args[ 'post__not_in' ] = array( 4, 8, 15, 16, 23, 42 );

	return $args;
} );

Contribution

If you have a feature request, or if you have developed the feature already, please feel free to use the Issues and/or Pull Requests section.

Of course, you can also provide me with translations if you would like to use the plugin in another not yet included language.

Changelog

Changelog