Container::is_valid_save() - Code Metrics - Inspection of "sanitize superglobal access in Sidebar_Manager" - htmlburger/carbon-fields - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — milestone/2.0 ( 77f3ad...371be2 )

unknown

created 2017-02-09 14:37 UTC

Container::is_valid_save() A

↳ Parent: Container

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	0
dl	0
loc	3
rs	10
c	0
b	0
f	0
ccs	0
cts	2
cp	0
crap	2

<?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;

	/**
	 * 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 ) {
		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 );
	}

	/**
	 * Activates and boots a field recursively
	 **/
	protected function activate_field( $field ) {
		if ( method_exists( $field, 'get_fields' ) ) {
			$fields = $field->get_fields();

			foreach ( $fields as $inner_field ) {
				$this->activate_field( $inner_field );
			}
		}

		$field->boot();

		do_action( 'crb_field_activated', $field );
	}

	/**
	 * 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 );
	}

	/**
	 * 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 ) {
		foreach ( $this->fields as $field ) {
			$field->set_value_from_input();
			$field->save();
		}
	}

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

	/**
	 * 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 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 );

			if ( call_user_func_array( array( $this, 'is_active' ), $param ) ) {
				$this->activate();

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

	/**
	 * 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;
	}

	/**
	 * 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();
		return apply_filters( 'carbon_container_is_valid_attach', $is_valid_attach, $this );
	}

	/**
	 * Require extending containers to define their own attach rules
	 *
	 * @return bool True if the container is allowed to be attached
	 **/
	abstract protected function _is_valid_attach();

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

	/**
	 * 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( '/', $field_name ) );
		$field = null;

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

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

htmlburger / carbon-fields

Push — milestone/2.0 ( 77f3ad...371be2 )

Container::is_valid_save() A

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