Container::factory() - Code Metrics - Inspection of "enable legacy storage and meta query services by d..." - htmlburger/carbon-fields - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — milestone/2.0 ( 9939d7...e0608a )

unknown

created 2017-02-17 15:07 UTC

Container::factory() A

↳ Parent: Container

Complexity

Conditions	1
Paths	1

Size

Total Lines	11
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	8
c	0
b	0
f	0
nc	1
nop	2
dl	0
loc	11
ccs	8
cts	8
cp	1
crap	1
rs	9.4285

<?php

namespace Carbon_Fields\Container;

use Carbon_Fields\App;
use Carbon_Fields\Field\Field;
use Carbon_Fields\Field\Group_Field;
use Carbon_Fields\Datastore\Datastore_Interface;
use Carbon_Fields\Datastore\Datastore_Holder_Interface;
use Carbon_Fields\Exception\Incorrect_Syntax_Exception;

/**
 * Base container class.
 * Defines the key container methods and their default implementations.
 */
abstract class Container implements Datastore_Holder_Interface {
	/**
	 * Where to put a particular tab -- at the head or the tail. Tail by default
	 */
	const TABS_TAIL = 1;
	const TABS_HEAD = 2;

	/**
	 * Separator signifying field hierarchy relation
	 * Used when searching for fields in a specific complex field
	 */
	const HIERARCHY_FIELD_SEPARATOR = '/';

	/**
	 * Separator signifying complex_field->group relation
	 * Used when searching for fields in a specific complex field group
	 */
	const HIERARCHY_GROUP_SEPARATOR = ':';

	/**
	 * Stores if the container is active on the current page
	 *
	 * @see activate()
	 * @var bool
	 */
	protected $active = false;

	/**
	 * List of registered unique field names for this container instance
	 *
	 * @see verify_unique_field_name()
	 * @var array
	 */
	protected $registered_field_names = array();

	/**
	 * Stores all the container Backbone templates
	 *
	 * @see factory()
	 * @see add_template()
	 * @var array
	 */
	protected $templates = array();

	/**
	 * Tabs available
	 */
	protected $tabs = array();

	/**
	 * List of default container settings
	 *
	 * @see init()
	 * @var array
	 */
	public $settings = array();

	/**
	 * Title of the container
	 *
	 * @var string
	 */
	public $title = '';

	/**
	 * List of notification messages to be displayed on the front-end
	 *
	 * @var array
	 */
	protected $notifications = array();

	/**
	 * List of error messages to be displayed on the front-end
	 *
	 * @var array
	 */
	protected $errors = array();

	/**
	 * List of container fields
	 *
	 * @see add_fields()
	 * @var array
	 */
	protected $fields = array();

	/**
	 * Container datastores. Propagated to all container fields
	 *
	 * @see set_datastore()
	 * @see get_datastore()
	 * @var object
	 */
	protected $datastore;

	/**
	 * Flag whether the datastore is the default one or replaced with a custom one
	 *
	 * @see set_datastore()
	 * @see get_datastore()
	 * @var boolean
	 */
	protected $has_default_datastore = true;

	/**
	 * Normalizes a container type string to an expected format
	 *
	 * @param string $type
	 * @return string $normalized_type
	 **/
	protected static function normalize_container_type( $type ) {
		// backward compatibility: post_meta container used to be called custom_fields
		if ( $type === 'custom_fields' ) {
			$type = 'post_meta';
		}

		$normalized_type = str_replace( ' ', '_', ucwords( str_replace( '_', ' ', $type ) ) );
		return $normalized_type;
	}

	/**
	 * Resolves a string-based type to a fully qualified container class name
	 *
	 * @param string $type
	 * @return string $class_name
	 **/
	protected static function container_type_to_class( $type ) {
		$class = __NAMESPACE__ . '\\' . $type . '_Container';
		if ( ! class_exists( $class ) ) {
			Incorrect_Syntax_Exception::raise( 'Unknown container "' . $type . '".' );
			$class = __NAMESPACE__ . '\\Broken_Container';
		}
		return $class;
	}

	/**
	 * Create a new container of type $type and name $name.
	 *
	 * @param string $type
	 * @param string $name Human-readable name of the container
	 * @return object $container
	 **/
	public static function factory( $type, $name ) {
		$repository = App::resolve( 'container_repository' );
		$unique_id = $repository->get_unique_panel_id( $name );
		
		$normalized_type = static::normalize_container_type( $type );
		$class = static::container_type_to_class( $normalized_type );
		$container = new $class( $unique_id, $name, $normalized_type );
		$repository->register_container( $container );

		return $container;
	}

	/**
	 * An alias of factory().
	 *
	 * @see Container::factory()
	 **/
	public static function make( $type, $name ) {
		return static::factory( $type, $name );
	}

	/**
	 * Create a new container
	 *
	 * @param string $unique_id Unique id of the container
	 * @param string $title title of the container
	 * @param string $type Type of the container
	 **/
	public function __construct( $unique_id, $title, $type ) {
		App::verify_boot();

		if ( empty( $title ) ) {
			Incorrect_Syntax_Exception::raise( 'Empty container title is not supported' );
		}

		$this->id = $unique_id;
		$this->title = $title;
		$this->type = $type;
	}

	/**
	 * Return whether the container is active
	 **/
	public function active() {
		return $this->active;
	}

	/**
	 * Activate the container and trigger an action
	 **/
	protected function activate() {
		$this->active = true;
		$this->boot();
		do_action( 'crb_container_activated', $this );

		$fields = $this->get_fields();
		foreach ( $fields as $field ) {
			$field->activate();
		}
	}

	/**
	 * Perform instance initialization
	 **/
	abstract public function init();

	/**
	 * Prints the container Underscore template
	 **/
	public function template() {
		?>
		<div class="{{{ classes.join(' ') }}}">
			<# _.each(fields, function(field) { #>
				<div class="{{{ field.classes.join(' ') }}}">
					<label for="{{{ field.id }}}">
						{{ field.label }}

						<# if (field.required) { #>
							 <span class="carbon-required">*</span>
						<# } #>
					</label>

					<div class="field-holder {{{ field.id }}}"></div>

					<# if (field.help_text) { #>
						<em class="help-text">
							{{{ field.help_text }}}
						</em>
					<# } #>

					<em class="carbon-error"></em>
				</div>
			<# }); #>
		</div>
		<?php
	}

	/**
	 * Boot the container once it's attached.
	 **/
	protected function boot() {
		$this->add_template( $this->type, array( $this, 'template' ) );

		add_action( 'admin_footer', array( get_class(), 'admin_hook_scripts' ), 5 );
		add_action( 'admin_footer', array( get_class(), 'admin_hook_styles' ), 5 );
	}

	/**
	 * Load the value for each field in the container.
	 * Could be used internally during container rendering
	 **/
	public function load() {
		foreach ( $this->fields as $field ) {
			$field->load();
		}
	}

	/**
	 * Called first as part of the container save procedure.
	 * Responsible for checking the request validity and
	 * calling the container-specific save() method
	 *
	 * @see save()
	 * @see is_valid_save()
	 **/
	public function _save() {
		$param = func_get_args();
		if ( call_user_func_array( array( $this, 'is_valid_save' ), $param ) ) {
			call_user_func_array( array( $this, 'save' ), $param );
		}
	}

	/**
	 * Load submitted data and save each field in the container
	 *
	 * @see is_valid_save()
	 **/
	public function save( $data = null ) {
		foreach ( $this->fields as $field ) {
			$field->set_value_from_input( stripslashes_deep( $_POST ) );

			$field->save();
		}
	}

	/**
	 * Checks whether the current request is valid
	 *
	 * @return bool
	 **/
	public function is_valid_save() {
		return false;
	}

	/**
	 * Called first as part of the container attachment procedure.
	 * Responsible for checking it's OK to attach the container
	 * and if it is, calling the container-specific attach() method
	 *
	 * @see attach()
	 * @see is_valid_attach()
	 **/
	public function _attach() {
		$param = func_get_args();
		if ( call_user_func_array( array( $this, 'is_valid_attach' ), $param ) ) {
			call_user_func_array( array( $this, 'attach' ), $param );

			// Allow containers to activate but not load (useful in cases such as theme options)
			if ( $this->should_activate() ) {
				$this->activate();
			}
		}
	}

	/**
	 * Attach the container rendering and helping methods
	 * to concrete WordPress Action hooks
	 **/
	public function attach() {}

	/**
	 * Perform checks whether the container should be attached during the current request
	 *
	 * @return bool True if the container is allowed to be attached
	 **/
	final public function is_valid_attach() {
		$is_valid_attach = $this->is_valid_attach_for_request();
		return apply_filters( 'carbon_fields_container_is_valid_attach', $is_valid_attach, $this );
	}

	/**
	 * Check container attachment rules against current page request (in admin)
	 *
	 * @return bool
	 **/
	abstract protected function is_valid_attach_for_request();

	/**
	 * Check container attachment rules against object id
	 *
	 * @param int $object_id
	 * @return bool
	 **/
	abstract public function is_valid_attach_for_object( $object_id = null );

	/**
	 * Whether this container is currently viewed.
	 **/
	public function should_activate() {
		return $this->is_valid_attach();
	}

	/**
	 * Returns all the Backbone templates
	 *
	 * @return array
	 **/
	public function get_templates() {
		return $this->templates;
	}

	/**
	 * Adds a new Backbone template
	 **/
	protected function add_template( $name, $callback ) {
		$this->templates[ $name ] = $callback;
	}

	/**
	 * Perform a check whether the current container has fields
	 *
	 * @return bool
	 **/
	public function has_fields() {
		return (bool) $this->fields;
	}

	/**
	 * Returns the private container array of fields.
	 * Use only if you are completely aware of what you are doing.
	 *
	 * @return array
	 **/
	public function get_fields() {
		return $this->fields;
	}

	/**
	 * Return root field from container with specified name
	 * 
	 * @example crb_complex
	 * 
	 * @param string $field_name
	 * @return Field
	 **/
	public function get_root_field_by_name( $field_name ) {
		$fields = $this->get_fields();
		foreach ( $fields as $field ) {
			if ( $field->get_base_name() === $field_name ) {
				return $field;
			}
		}
		return null;
	}

	/**
	 * Return field from container with specified name
	 * 
	 * @example crb_complex/text_field
	 * @example crb_complex/complex_2
	 * @example crb_complex/complex_2:text_group/text_field
	 * 
	 * @param string $field_name Can specify a field inside a complex with a / (slash) separator
	 * @return Field
	 **/
	public function get_field_by_name( $field_name ) {
		$hierarchy = array_filter( explode( static::HIERARCHY_FIELD_SEPARATOR, $field_name ) );
		$field = null;

		$field_group = $this->get_fields();
		$hierarchy_left = $hierarchy;

		while ( ! empty( $hierarchy_left ) ) {
			$segment = array_shift( $hierarchy_left );
			$segment_pieces = explode( static::HIERARCHY_GROUP_SEPARATOR, $segment, 2 );
			$field_name = $segment_pieces[0];
			$group_name = isset( $segment_pieces[1] ) ? $segment_pieces[1] : Group_Field::DEFAULT_GROUP_NAME;

			foreach ( $field_group as $f ) {
				if ( $f->get_base_name() === $field_name ) {
					if ( empty( $hierarchy_left ) ) {
						$field = $f;
					} else {
						if ( is_a( $f, 'Carbon_Fields\\Field\\Complex_Field' ) ) {
							$group = $f->get_group_by_name( $group_name );
							if ( ! $group ) {
								Incorrect_Syntax_Exception::raise( 'Unknown group name specified when fetching a value inside a complex field: "' . $group_name . '".' );
							}
							$field_group = $group->get_fields();
						} else {
							Incorrect_Syntax_Exception::raise( 'Attempted to look for a nested field inside a non-complex field.' );
						}
					}
					break;
				}
			}
		}

		return $field;
	}

	/**
	 * Perform checks whether there is a field registered with the name $name.
	 * If not, the field name is recorded.
	 *
	 * @param string $name
	 **/
	public function verify_unique_field_name( $name ) {
		if ( in_array( $name, $this->registered_field_names ) ) {
			Incorrect_Syntax_Exception::raise( 'Field name "' . $name . '" already registered' );
		}

		$this->registered_field_names[] = $name;
	}

	/**
	 * Remove field name $name from the list of unique field names
	 *
	 * @param string $name
	 **/
	public function drop_unique_field_name( $name ) {
		$index = array_search( $name, $this->registered_field_names );

		if ( $index !== false ) {
			unset( $this->registered_field_names[ $index ] );
		}
	}

	/**
	 * Return whether the datastore instance is the default one or has been overriden
	 *
	 * @return boolean
	 **/
	public function has_default_datastore() {
		return $this->has_default_datastore;
	}

	/**
	 * Set datastore instance
	 *
	 * @param Datastore_Interface $datastore
	 * @return object $this
	 **/
	public function set_datastore( Datastore_Interface $datastore, $set_as_default = false ) {
		if ( $set_as_default && ! $this->has_default_datastore() ) {
			return $this; // datastore has been overriden with a custom one - abort changing to a default one
		}
		$this->datastore = $datastore;
		$this->has_default_datastore = $set_as_default;

		foreach ( $this->fields as $field ) {
			$field->set_datastore( $this->get_datastore(), true );
		}
		return $this;
	}

	/**
	 * Get the DataStore instance
	 *
	 * @return Datastore_Interface $datastore
	 **/
	public function get_datastore() {
		return $this->datastore;
	}

	/**
	 * Return WordPress nonce name used to identify the current container instance
	 *
	 * @return string
	 **/
	public function get_nonce_name() {
		return 'carbon_panel_' . $this->id . '_nonce';
	}

	/**
	 * Return WordPress nonce field
	 *
	 * @return string
	 **/
	public function get_nonce_field() {
		return wp_nonce_field( $this->get_nonce_name(), $this->get_nonce_name(), /*referer?*/ false, /*echo?*/ false );
	}

	/**
	 * Check if the nonce is present in the request and that it is verified
	 *
	 * @return bool
	 **/
	protected function verified_nonce_in_request() {
		$nonce_name = $this->get_nonce_name();
		$nonce_value = isset( $_REQUEST[ $nonce_name ] ) ? $_REQUEST[ $nonce_name ] : '';

		return wp_verify_nonce( $nonce_value, $nonce_name );
	}

	/**
	 * Internal function that creates the tab and associates it with particular field set
	 *
	 * @param string $tab_name
	 * @param array $fields
	 * @param int $queue_end
	 * @return object $this
	 */
	private function create_tab( $tab_name, $fields, $queue_end = self::TABS_TAIL ) {
		if ( isset( $this->tabs[ $tab_name ] ) ) {
			Incorrect_Syntax_Exception::raise( "Tab name duplication for $tab_name" );
		}

		if ( $queue_end === static::TABS_TAIL ) {
			$this->tabs[ $tab_name ] = array();
		} else if ( $queue_end === static::TABS_HEAD ) {
			$this->tabs = array_merge(
				array( $tab_name => array() ),
				$this->tabs
			);
		}

		foreach ( $fields as $field ) {
			$field_name = $field->get_name();
			$this->tabs[ $tab_name ][ $field_name ] = $field;
		}

		$this->settings['tabs'] = $this->get_tabs_json();
	}

	/**
	 * Whether the container is tabbed or not
	 *
	 * @return bool
	 */
	public function is_tabbed() {
		return (bool) $this->tabs;
	}

	/**
	 * Retrieve all fields that are not defined under a specific tab
	 *
	 * @return array
	 */
	protected function get_untabbed_fields() {
		$tabbed_fields_names = array();
		foreach ( $this->tabs as $tab_fields ) {
			$tabbed_fields_names = array_merge( $tabbed_fields_names, array_keys( $tab_fields ) );
		}

		$all_fields_names = array();
		foreach ( $this->fields as $field ) {
			$all_fields_names[] = $field->get_name();
		}

		$fields_not_in_tabs = array_diff( $all_fields_names, $tabbed_fields_names );

		$untabbed_fields = array();
		foreach ( $this->fields as $field ) {
			if ( in_array( $field->get_name(), $fields_not_in_tabs ) ) {
				$untabbed_fields[] = $field;
			}
		}

		return $untabbed_fields;
	}

	/**
	 * Retrieve all tabs.
	 * Create a default tab if there are any untabbed fields.
	 *
	 * @return array
	 */
	protected function get_tabs() {
		$untabbed_fields = $this->get_untabbed_fields();

		if ( ! empty( $untabbed_fields ) ) {
			$this->create_tab( __( 'General', \Carbon_Fields\TEXT_DOMAIN ), $untabbed_fields, static::TABS_HEAD );
		}

		return $this->tabs;
	}

	/**
	 * Build the tabs JSON
	 *
	 * @return array
	 */
	protected function get_tabs_json() {
		$tabs_json = array();
		$tabs = $this->get_tabs();

		foreach ( $tabs as $tab_name => $fields ) {
			foreach ( $fields as $field_name => $field ) {
				$tabs_json[ $tab_name ][] = $field_name;
			}
		}

		return $tabs_json;
	}

	/**
	 * Underscore template for tabs
	 */
	public function template_tabs() {
		?>
		<div class="carbon-tabs">
			<ul class="carbon-tabs-nav">
				<# _.each(tabs, function (tab, tabName) { #>
					<li><a href="#" data-id="{{{ tab.id }}}">{{{ tabName }}}</a></li>
				<# }); #>
			</ul>

			<div class="carbon-tabs-body">
				<# _.each(tabs, function (tab) { #>
					<div class="carbon-fields-collection carbon-tab">
						{{{ tab.html }}}
					</div>
				<# }); #>
			</div>
		</div>
		<?php
	}

	/**
	 * Returns an array that holds the container data, suitable for JSON representation.
	 * This data will be available in the Underscore template and the Backbone Model.
	 *
	 * @param bool $load  Should the value be loaded from the database or use the value from the current instance.
	 * @return array
	 */
	public function to_json( $load ) {
		$container_data = array(
			'id' => $this->id,
			'type' => $this->type,
			'title' => $this->title,
			'settings' => $this->settings,
			'fields' => array(),
		);

		$fields = $this->get_fields();
		foreach ( $fields as $field ) {
			$field_data = $field->to_json( $load );
			$container_data['fields'][] = $field_data;
		}

		return $container_data;
	}

	/**
	 * Enqueue admin scripts
	 */
	public static function admin_hook_scripts() {
		wp_enqueue_script( 'carbon-containers', \Carbon_Fields\URL . '/assets/js/containers.js', array( 'carbon-app' ), \Carbon_Fields\VERSION );

		wp_localize_script( 'carbon-containers', 'carbon_containers_l10n',
			array(
				'please_fill_the_required_fields' => __( 'Please fill out all required fields highlighted below.', \Carbon_Fields\TEXT_DOMAIN ),
				'changes_made_save_alert' => __( 'The changes you made will be lost if you navigate away from this page.', \Carbon_Fields\TEXT_DOMAIN ),
			)
		);
	}

	/**
	 * Enqueue admin styles
	 */
	public static function admin_hook_styles() {
		wp_enqueue_style( 'carbon-main', \Carbon_Fields\URL . '/assets/bundle.css', array(), \Carbon_Fields\VERSION );
	}

	/**
	 * COMMON USAGE METHODS
	 */

	/**
	 * Append array of fields to the current fields set. All items of the array
	 * must be instances of Field and their names should be unique for all
	 * Carbon containers.
	 * If a field does not have DataStore already, the container datastore is
	 * assigned to them instead.
	 *
	 * @param array $fields
	 * @return object $this
	 **/
	public function add_fields( $fields ) {
		foreach ( $fields as $field ) {
			if ( ! is_a( $field, 'Carbon_Fields\\Field\\Field' ) ) {
				Incorrect_Syntax_Exception::raise( 'Object must be of type Carbon_Fields\\Field\\Field' );
			}

			$this->verify_unique_field_name( $field->get_name() );

			$field->set_context( $this->type );
			if ( ! $field->get_datastore() ) {
				$field->set_datastore( $this->get_datastore(), $this->has_default_datastore() );
			}
		}

		$this->fields = array_merge( $this->fields, $fields );

		return $this;
	}

	/**
	 * Configuration function for adding tab with fields
	 *
	 * @param string $tab_name
	 * @param array $fields
	 * @return object $this
	 */
	public function add_tab( $tab_name, $fields ) {
		$this->add_template( 'tabs', array( $this, 'template_tabs' ) );

		$this->add_fields( $fields );
		$this->create_tab( $tab_name, $fields );

		return $this;
	}
}


1			<?php
2
3			namespace Carbon_Fields\Container;
4
5			use Carbon_Fields\App;
6			use Carbon_Fields\Field\Field;
7			use Carbon_Fields\Field\Group_Field;
8			use Carbon_Fields\Datastore\Datastore_Interface;
9			use Carbon_Fields\Datastore\Datastore_Holder_Interface;
10			use Carbon_Fields\Exception\Incorrect_Syntax_Exception;
11
12			/**
13			* Base container class.
14			* Defines the key container methods and their default implementations.
15			*/
16			abstract class Container implements Datastore_Holder_Interface {
17			/**
18			* Where to put a particular tab -- at the head or the tail. Tail by default
19			*/
20			const TABS_TAIL = 1;
21			const TABS_HEAD = 2;
22
23			/**
24			* Separator signifying field hierarchy relation
25			* Used when searching for fields in a specific complex field
26			*/
27			const HIERARCHY_FIELD_SEPARATOR = '/';
28
29			/**
30			* Separator signifying complex_field->group relation
31			* Used when searching for fields in a specific complex field group
32			*/
33			const HIERARCHY_GROUP_SEPARATOR = ':';
34
35			/**
36			* Stores if the container is active on the current page
37			*
38			* @see activate()
39			* @var bool
40			*/
41			protected $active = false;
42
43			/**
44			* List of registered unique field names for this container instance
45			*
46			* @see verify_unique_field_name()
47			* @var array
48			*/
49			protected $registered_field_names = array();
50
51			/**
52			* Stores all the container Backbone templates
53			*
54			* @see factory()
55			* @see add_template()
56			* @var array
57			*/
58			protected $templates = array();
59
60			/**
61			* Tabs available
62			*/
63			protected $tabs = array();
64
65			/**
66			* List of default container settings
67			*
68			* @see init()
69			* @var array
70			*/
71			public $settings = array();
72
73			/**
74			* Title of the container
75			*
76			* @var string
77			*/
78			public $title = '';
79
80			/**
81			* List of notification messages to be displayed on the front-end
82			*
83			* @var array
84			*/
85			protected $notifications = array();
86
87			/**
88			* List of error messages to be displayed on the front-end
89			*
90			* @var array
91			*/
92			protected $errors = array();
93
94			/**
95			* List of container fields
96			*
97			* @see add_fields()
98			* @var array
99			*/
100			protected $fields = array();
101
102			/**
103			* Container datastores. Propagated to all container fields
104			*
105			* @see set_datastore()
106			* @see get_datastore()
107			* @var object
108			*/
109			protected $datastore;
110
111			/**
112			* Flag whether the datastore is the default one or replaced with a custom one
113			*
114			* @see set_datastore()
115			* @see get_datastore()
116			* @var boolean
117			*/
118			protected $has_default_datastore = true;
119
120			/**
121			* Normalizes a container type string to an expected format
122			*
123			* @param string $type
124			* @return string $normalized_type
125			**/
126			protected static function normalize_container_type( $type ) {
127			// backward compatibility: post_meta container used to be called custom_fields
128			if ( $type === 'custom_fields' ) {
129			$type = 'post_meta';
130			}
131
132			$normalized_type = str_replace( ' ', '_', ucwords( str_replace( '_', ' ', $type ) ) );
133			return $normalized_type;
134			}
135
136			/**
137			* Resolves a string-based type to a fully qualified container class name
138			*
139			* @param string $type
140			* @return string $class_name
141			**/
142			protected static function container_type_to_class( $type ) {
143			$class = __NAMESPACE__ . '\\' . $type . '_Container';
144		View Code Duplication	if ( ! class_exists( $class ) ) {
145			Incorrect_Syntax_Exception::raise( 'Unknown container "' . $type . '".' );
146			$class = __NAMESPACE__ . '\\Broken_Container';
147			}
148			return $class;
149			}
150
151			/**
152			* Create a new container of type $type and name $name.
153			*
154			* @param string $type
155			* @param string $name Human-readable name of the container
156			* @return object $container
157			**/
158	9		public static function factory( $type, $name ) {
159	9		$repository = App::resolve( 'container_repository' );
160	9		$unique_id = $repository->get_unique_panel_id( $name );
161
162	9		$normalized_type = static::normalize_container_type( $type );
163	9		$class = static::container_type_to_class( $normalized_type );
164	7		$container = new $class( $unique_id, $name, $normalized_type );
165	7		$repository->register_container( $container );
166
167	7		return $container;
168			}
169
170			/**
171			* An alias of factory().
172			*
173			* @see Container::factory()
174			**/
175			public static function make( $type, $name ) {
176			return static::factory( $type, $name );
177			}
178
179			/**
180			* Create a new container
181			*
182			* @param string $unique_id Unique id of the container
183			* @param string $title title of the container
184			* @param string $type Type of the container
185			**/
186	2		public function __construct( $unique_id, $title, $type ) {
187	2		App::verify_boot();
188
189	2		if ( empty( $title ) ) {
190	1		Incorrect_Syntax_Exception::raise( 'Empty container title is not supported' );
191			}
192
193	1		$this->id = $unique_id;
194	1		$this->title = $title;
195	1		$this->type = $type;
196	1		}
197
198			/**
199			* Return whether the container is active
200			**/
201			public function active() {
202			return $this->active;
203			}
204
205			/**
206			* Activate the container and trigger an action
207			**/
208			protected function activate() {
209			$this->active = true;
210			$this->boot();
211			do_action( 'crb_container_activated', $this );
212
213			$fields = $this->get_fields();
214			foreach ( $fields as $field ) {
215			$field->activate();
216			}
217			}
218
219			/**
220			* Perform instance initialization
221			**/
222			abstract public function init();
223
224			/**
225			* Prints the container Underscore template
226			**/
227			public function template() {
228			?>
229			<div class="{{{ classes.join(' ') }}}">
230			<# _.each(fields, function(field) { #>
231			<div class="{{{ field.classes.join(' ') }}}">
232			<label for="{{{ field.id }}}">
233			{{ field.label }}
234
235			<# if (field.required) { #>
236			<span class="carbon-required">*</span>
237			<# } #>
238			</label>
239
240			<div class="field-holder {{{ field.id }}}"></div>
241
242			<# if (field.help_text) { #>
243			<em class="help-text">
244			{{{ field.help_text }}}
245			</em>
246			<# } #>
247
248			<em class="carbon-error"></em>
249			</div>
250			<# }); #>
251			</div>
252			<?php
253			}
254
255			/**
256			* Boot the container once it's attached.
257			**/
258			protected function boot() {
259			$this->add_template( $this->type, array( $this, 'template' ) );
260
261			add_action( 'admin_footer', array( get_class(), 'admin_hook_scripts' ), 5 );
262			add_action( 'admin_footer', array( get_class(), 'admin_hook_styles' ), 5 );
263			}
264
265			/**
266			* Load the value for each field in the container.
267			* Could be used internally during container rendering
268			**/
269			public function load() {
270			foreach ( $this->fields as $field ) {
271			$field->load();
272			}
273			}
274
275			/**
276			* Called first as part of the container save procedure.
277			* Responsible for checking the request validity and
278			* calling the container-specific save() method
279			*
280			* @see save()
281			* @see is_valid_save()
282			**/
283			public function _save() {
284			$param = func_get_args();
285			if ( call_user_func_array( array( $this, 'is_valid_save' ), $param ) ) {
286			call_user_func_array( array( $this, 'save' ), $param );
287			}
288			}
289
290			/**
291			* Load submitted data and save each field in the container
292			*
293			* @see is_valid_save()
294			**/
295			public function save( $data = null ) {
296			foreach ( $this->fields as $field ) {
297			$field->set_value_from_input( stripslashes_deep( $_POST ) );
			1 ignored issue – show introduced 2017-02-16 13:35 UTC by Report Bug Copy Issue Report Detected access of super global var $_POST, probably need manual inspection. Loading history...
298			$field->save();
299			}
300			}
301
302			/**
303			* Checks whether the current request is valid
304			*
305			* @return bool
306			**/
307			public function is_valid_save() {
308			return false;
309			}
310
311			/**
312			* Called first as part of the container attachment procedure.
313			* Responsible for checking it's OK to attach the container
314			* and if it is, calling the container-specific attach() method
315			*
316			* @see attach()
317			* @see is_valid_attach()
318			**/
319			public function _attach() {
320			$param = func_get_args();
321			if ( call_user_func_array( array( $this, 'is_valid_attach' ), $param ) ) {
322			call_user_func_array( array( $this, 'attach' ), $param );
323
324			// Allow containers to activate but not load (useful in cases such as theme options)
325			if ( $this->should_activate() ) {
326			$this->activate();
327			}
328			}
329			}
330
331			/**
332			* Attach the container rendering and helping methods
333			* to concrete WordPress Action hooks
334			**/
335			public function attach() {}
336
337			/**
338			* Perform checks whether the container should be attached during the current request
339			*
340			* @return bool True if the container is allowed to be attached
341			**/
342			final public function is_valid_attach() {
343			$is_valid_attach = $this->is_valid_attach_for_request();
344			return apply_filters( 'carbon_fields_container_is_valid_attach', $is_valid_attach, $this );
345			}
346
347			/**
348			* Check container attachment rules against current page request (in admin)
349			*
350			* @return bool
351			**/
352			abstract protected function is_valid_attach_for_request();
353
354			/**
355			* Check container attachment rules against object id
356			*
357			* @param int $object_id
358			* @return bool
359			**/
360			abstract public function is_valid_attach_for_object( $object_id = null );
361
362			/**
363			* Whether this container is currently viewed.
364			**/
365			public function should_activate() {
366			return $this->is_valid_attach();
367			}
368
369			/**
370			* Returns all the Backbone templates
371			*
372			* @return array
373			**/
374			public function get_templates() {
375			return $this->templates;
376			}
377
378			/**
379			* Adds a new Backbone template
380			**/
381			protected function add_template( $name, $callback ) {
382			$this->templates[ $name ] = $callback;
383			}
384
385			/**
386			* Perform a check whether the current container has fields
387			*
388			* @return bool
389			**/
390			public function has_fields() {
391			return (bool) $this->fields;
392			}
393
394			/**
395			* Returns the private container array of fields.
396			* Use only if you are completely aware of what you are doing.
397			*
398			* @return array
399			**/
400			public function get_fields() {
401			return $this->fields;
402			}
403
404			/**
405			* Return root field from container with specified name
406			*
407			* @example crb_complex
408			*
409			* @param string $field_name
410			* @return Field
411			**/
412			public function get_root_field_by_name( $field_name ) {
413			$fields = $this->get_fields();
414			foreach ( $fields as $field ) {
415			if ( $field->get_base_name() === $field_name ) {
416			return $field;
417			}
418			}
419			return null;
420			}
421
422			/**
423			* Return field from container with specified name
424			*
425			* @example crb_complex/text_field
426			* @example crb_complex/complex_2
427			* @example crb_complex/complex_2:text_group/text_field
428			*
429			* @param string $field_name Can specify a field inside a complex with a / (slash) separator
430			* @return Field
431			**/
432			public function get_field_by_name( $field_name ) {
433			$hierarchy = array_filter( explode( static::HIERARCHY_FIELD_SEPARATOR, $field_name ) );
434			$field = null;
435
436			$field_group = $this->get_fields();
437			$hierarchy_left = $hierarchy;
438
439			while ( ! empty( $hierarchy_left ) ) {
440			$segment = array_shift( $hierarchy_left );
441			$segment_pieces = explode( static::HIERARCHY_GROUP_SEPARATOR, $segment, 2 );
442			$field_name = $segment_pieces[0];
443			$group_name = isset( $segment_pieces[1] ) ? $segment_pieces[1] : Group_Field::DEFAULT_GROUP_NAME;
444
445			foreach ( $field_group as $f ) {
446			if ( $f->get_base_name() === $field_name ) {
447			if ( empty( $hierarchy_left ) ) {
448			$field = $f;
449			} else {
450			if ( is_a( $f, 'Carbon_Fields\\Field\\Complex_Field' ) ) {
451			$group = $f->get_group_by_name( $group_name );
452			if ( ! $group ) {
453			Incorrect_Syntax_Exception::raise( 'Unknown group name specified when fetching a value inside a complex field: "' . $group_name . '".' );
454			}
455			$field_group = $group->get_fields();
456			} else {
457			Incorrect_Syntax_Exception::raise( 'Attempted to look for a nested field inside a non-complex field.' );
458			}
459			}
460			break;
461			}
462			}
463			}
464
465			return $field;
466			}
467
468			/**
469			* Perform checks whether there is a field registered with the name $name.
470			* If not, the field name is recorded.
471			*
472			* @param string $name
473			**/
474		View Code Duplication	public function verify_unique_field_name( $name ) {
475			if ( in_array( $name, $this->registered_field_names ) ) {
476			Incorrect_Syntax_Exception::raise( 'Field name "' . $name . '" already registered' );
477			}
478
479			$this->registered_field_names[] = $name;
480			}
481
482			/**
483			* Remove field name $name from the list of unique field names
484			*
485			* @param string $name
486			**/
487			public function drop_unique_field_name( $name ) {
488			$index = array_search( $name, $this->registered_field_names );
489
490			if ( $index !== false ) {
491			unset( $this->registered_field_names[ $index ] );
492			}
493			}
494
495			/**
496			* Return whether the datastore instance is the default one or has been overriden
497			*
498			* @return boolean
499			**/
500	6		public function has_default_datastore() {
501	6		return $this->has_default_datastore;
502			}
503
504			/**
505			* Set datastore instance
506			*
507			* @param Datastore_Interface $datastore
508			* @return object $this
509			**/
510	6	View Code Duplication	public function set_datastore( Datastore_Interface $datastore, $set_as_default = false ) {
511	6		if ( $set_as_default && ! $this->has_default_datastore() ) {
512	1		return $this; // datastore has been overriden with a custom one - abort changing to a default one
513			}
514	6		$this->datastore = $datastore;
515	6		$this->has_default_datastore = $set_as_default;
516
517	6		foreach ( $this->fields as $field ) {
518			$field->set_datastore( $this->get_datastore(), true );
519	6		}
520	6		return $this;
521			}
522
523			/**
524			* Get the DataStore instance
525			*
526			* @return Datastore_Interface $datastore
527			**/
528	6		public function get_datastore() {
529	6		return $this->datastore;
530			}
531
532			/**
533			* Return WordPress nonce name used to identify the current container instance
534			*
535			* @return string
536			**/
537			public function get_nonce_name() {
538			return 'carbon_panel_' . $this->id . '_nonce';
539			}
540
541			/**
542			* Return WordPress nonce field
543			*
544			* @return string
545			**/
546			public function get_nonce_field() {
547			return wp_nonce_field( $this->get_nonce_name(), $this->get_nonce_name(), /referer?/ false, /echo?/ false );
548			}
549
550			/**
551			* Check if the nonce is present in the request and that it is verified
552			*
553			* @return bool
554			**/
555			protected function verified_nonce_in_request() {
556			$nonce_name = $this->get_nonce_name();
557			$nonce_value = isset( $_REQUEST[ $nonce_name ] ) ? $_REQUEST[ $nonce_name ] : '';
			0 ignored issues – show introduced 2017-02-09 14:43 UTC by Report Bug Copy Issue Report Detected access of super global var $_REQUEST, probably need manual inspection. Loading history... introduced 2017-02-09 14:43 UTC by Report Bug Copy Issue Report Detected usage of a non-sanitized input variable: $_REQUEST Loading history...
558			return wp_verify_nonce( $nonce_value, $nonce_name );
559			}
560
561			/**
562			* Internal function that creates the tab and associates it with particular field set
563			*
564			* @param string $tab_name
565			* @param array $fields
566			* @param int $queue_end
567			* @return object $this
568			*/
569			private function create_tab( $tab_name, $fields, $queue_end = self::TABS_TAIL ) {
570			if ( isset( $this->tabs[ $tab_name ] ) ) {
571			Incorrect_Syntax_Exception::raise( "Tab name duplication for $tab_name" );
572			}
573
574			if ( $queue_end === static::TABS_TAIL ) {
575			$this->tabs[ $tab_name ] = array();
576			} else if ( $queue_end === static::TABS_HEAD ) {
577			$this->tabs = array_merge(
578			array( $tab_name => array() ),
579			$this->tabs
580			);
581			}
582
583			foreach ( $fields as $field ) {
584			$field_name = $field->get_name();
585			$this->tabs[ $tab_name ][ $field_name ] = $field;
586			}
587
588			$this->settings['tabs'] = $this->get_tabs_json();
589			}
590
591			/**
592			* Whether the container is tabbed or not
593			*
594			* @return bool
595			*/
596			public function is_tabbed() {
597			return (bool) $this->tabs;
598			}
599
600			/**
601			* Retrieve all fields that are not defined under a specific tab
602			*
603			* @return array
604			*/
605			protected function get_untabbed_fields() {
606			$tabbed_fields_names = array();
607			foreach ( $this->tabs as $tab_fields ) {
608			$tabbed_fields_names = array_merge( $tabbed_fields_names, array_keys( $tab_fields ) );
609			}
610
611			$all_fields_names = array();
612			foreach ( $this->fields as $field ) {
613			$all_fields_names[] = $field->get_name();
614			}
615
616			$fields_not_in_tabs = array_diff( $all_fields_names, $tabbed_fields_names );
617
618			$untabbed_fields = array();
619			foreach ( $this->fields as $field ) {
620			if ( in_array( $field->get_name(), $fields_not_in_tabs ) ) {
621			$untabbed_fields[] = $field;
622			}
623			}
624
625			return $untabbed_fields;
626			}
627
628			/**
629			* Retrieve all tabs.
630			* Create a default tab if there are any untabbed fields.
631			*
632			* @return array
633			*/
634			protected function get_tabs() {
635			$untabbed_fields = $this->get_untabbed_fields();
636
637			if ( ! empty( $untabbed_fields ) ) {
638			$this->create_tab( __( 'General', \Carbon_Fields\TEXT_DOMAIN ), $untabbed_fields, static::TABS_HEAD );
639			}
640
641			return $this->tabs;
642			}
643
644			/**
645			* Build the tabs JSON
646			*
647			* @return array
648			*/
649			protected function get_tabs_json() {
650			$tabs_json = array();
651			$tabs = $this->get_tabs();
652
653			foreach ( $tabs as $tab_name => $fields ) {
654			foreach ( $fields as $field_name => $field ) {
655			$tabs_json[ $tab_name ][] = $field_name;
656			}
657			}
658
659			return $tabs_json;
660			}
661
662			/**
663			* Underscore template for tabs
664			*/
665			public function template_tabs() {
666			?>
667			<div class="carbon-tabs">
668			<ul class="carbon-tabs-nav">
669			<# _.each(tabs, function (tab, tabName) { #>
670			<li><a href="#" data-id="{{{ tab.id }}}">{{{ tabName }}}</a></li>
671			<# }); #>
672			</ul>
673
674			<div class="carbon-tabs-body">
675			<# _.each(tabs, function (tab) { #>
676			<div class="carbon-fields-collection carbon-tab">
677			{{{ tab.html }}}
678			</div>
679			<# }); #>
680			</div>
681			</div>
682			<?php
683			}
684
685			/**
686			* Returns an array that holds the container data, suitable for JSON representation.
687			* This data will be available in the Underscore template and the Backbone Model.
688			*
689			* @param bool $load Should the value be loaded from the database or use the value from the current instance.
690			* @return array
691			*/
692			public function to_json( $load ) {
693			$container_data = array(
694			'id' => $this->id,
695			'type' => $this->type,
696			'title' => $this->title,
697			'settings' => $this->settings,
698			'fields' => array(),
699			);
700
701			$fields = $this->get_fields();
702			foreach ( $fields as $field ) {
703			$field_data = $field->to_json( $load );
704			$container_data['fields'][] = $field_data;
705			}
706
707			return $container_data;
708			}
709
710			/**
711			* Enqueue admin scripts
712			*/
713			public static function admin_hook_scripts() {
714			wp_enqueue_script( 'carbon-containers', \Carbon_Fields\URL . '/assets/js/containers.js', array( 'carbon-app' ), \Carbon_Fields\VERSION );
715
716			wp_localize_script( 'carbon-containers', 'carbon_containers_l10n',
717			array(
718			'please_fill_the_required_fields' => __( 'Please fill out all required fields highlighted below.', \Carbon_Fields\TEXT_DOMAIN ),
719			'changes_made_save_alert' => __( 'The changes you made will be lost if you navigate away from this page.', \Carbon_Fields\TEXT_DOMAIN ),
720			)
721			);
722			}
723
724			/**
725			* Enqueue admin styles
726			*/
727			public static function admin_hook_styles() {
728			wp_enqueue_style( 'carbon-main', \Carbon_Fields\URL . '/assets/bundle.css', array(), \Carbon_Fields\VERSION );
729			}
730
731			/**
732			* COMMON USAGE METHODS
733			*/
734
735			/**
736			* Append array of fields to the current fields set. All items of the array
737			* must be instances of Field and their names should be unique for all
738			* Carbon containers.
739			* If a field does not have DataStore already, the container datastore is
740			* assigned to them instead.
741			*
742			* @param array $fields
743			* @return object $this
744			**/
745			public function add_fields( $fields ) {
746			foreach ( $fields as $field ) {
747			if ( ! is_a( $field, 'Carbon_Fields\\Field\\Field' ) ) {
748			Incorrect_Syntax_Exception::raise( 'Object must be of type Carbon_Fields\\Field\\Field' );
749			}
750
751			$this->verify_unique_field_name( $field->get_name() );
752
753			$field->set_context( $this->type );
754			if ( ! $field->get_datastore() ) {
755			$field->set_datastore( $this->get_datastore(), $this->has_default_datastore() );
756			}
757			}
758
759			$this->fields = array_merge( $this->fields, $fields );
760
761			return $this;
762			}
763
764			/**
765			* Configuration function for adding tab with fields
766			*
767			* @param string $tab_name
768			* @param array $fields
769			* @return object $this
770			*/
771			public function add_tab( $tab_name, $fields ) {
772			$this->add_template( 'tabs', array( $this, 'template_tabs' ) );
773
774			$this->add_fields( $fields );
775			$this->create_tab( $tab_name, $fields );
776
777			return $this;
778			}
779			}
780

htmlburger / carbon-fields

Push — milestone/2.0 ( 9939d7...e0608a )

Container::factory() A

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