<?php

/**

 * Customize Control Class

 *

 * @package WordPress

 * @subpackage Customize

 * @since 3.4.0

 */

class WP_Customize_Control {

	public $manager;

	public $id;

	// All settings tied to the control.

	public $settings;

	// The primary setting for the control (if there is one).

	public $setting = 'default';

	public $priority          = 10;

	public $section           = '';

	public $label             = '';

	// @todo: remove choices

	public $choices           = array();

	public $json = array();

	public $type = 'text';

	/**

	 * Constructor.

	 *

	 * If $args['settings'] is not defined, use the $id as the setting ID.

	 *

	 * @since 3.4.0

	 */

	function __construct( $manager, $id, $args = array() ) {

		$keys = array_keys( get_object_vars( $this ) );

		foreach ( $keys as $key ) {

			if ( isset( $args[ $key ] ) )

				$this->$key = $args[ $key ];

		}

		$this->manager = $manager;

		$this->id = $id;

		// Process settings.

		if ( empty( $this->settings ) )

			$this->settings = $id;

		$settings = array();

		if ( is_array( $this->settings ) ) {

			foreach ( $this->settings as $key => $setting ) {

				$settings[ $key ] = $this->manager->get_setting( $setting );

			}

		} else {

			$this->setting = $this->manager->get_setting( $this->settings );

			$settings['default'] = $this->setting;

		}

		$this->settings = $settings;

	}

	/**

	 * Enqueue control related scripts/styles.

	 *

	 * @since 3.4.0

	 */

	public function enqueue() {}

	/**

	 * Fetch a setting's value.

	 * Grabs the main setting by default.

	 *

	 * @since 3.4.0

	 */

	public final function value( $setting_key = 'default' ) {

		if ( isset( $this->settings[ $setting_key ] ) )

			return $this->settings[ $setting_key ]->value();

	}

	/**

	 * Refresh the parameters passed to the JavaScript via JSON.

	 *

	 * @since 3.4.0

	 */

	public function to_json() {

		$this->json['settings'] = array();

		foreach ( $this->settings as $key => $setting ) {

			$this->json['settings'][ $key ] = $setting->id;

		}

		$this->json['type'] = $this->type;

	}

	/**

	 * Check if the theme supports the control and check user capabilities.

	 *

	 * @since 3.4.0

	 *

	 * @return bool False if theme doesn't support the control or user doesn't have the required permissions, otherwise true.

	 */

	public final function check_capabilities() {

		foreach ( $this->settings as $setting ) {

			if ( ! $setting->check_capabilities() )

				return false;

		}

		$section = $this->manager->get_section( $this->section );

		if ( isset( $section ) && ! $section->check_capabilities() )

			return false;

		return true;

	}

	/**

	 * Check capabilities and render the control.

	 *

	 * @since 3.4.0

	 */

	public final function maybe_render() {

		if ( ! $this->check_capabilities() )

			return;

		do_action( 'customize_render_control', $this );

		do_action( 'customize_render_control_' . $this->id, $this );

		$this->render();

	}

	/**

	 * Render the control. Renders the control wrapper, then calls $this->render_content().

	 *

	 * @since 3.4.0

	 */

	protected function render() {

		$id    = 'customize-control-' . str_replace( '[', '-', str_replace( ']', '', $this->id ) );

		$class = 'customize-control customize-control-' . $this->type;

		?><li id="<?php echo esc_attr( $id ); ?>" class="<?php echo esc_attr( $class ); ?>">

			<?php $this->render_content(); ?>

		</li><?php

	}

	public function get_link( $setting_key = 'default' ) {

		if ( ! isset( $this->settings[ $setting_key ] ) )

			return '';

		return 'data-customize-setting-link="' . esc_attr( $this->settings[ $setting_key ]->id ) . '"';

	}

	public function link( $setting_key = 'default' ) {

		echo $this->get_link( $setting_key );

	}

	/**

	 * Render the control's content.

	 *

	 * Allows the content to be overriden without having to rewrite the wrapper.

	 *

	 * @since 3.4.0

	 */

	protected function render_content() {

		switch( $this->type ) {

			case 'text':

				?>

				<label>

					<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>

					<input type="text" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); ?> />

				</label>

				<?php

				break;

			case 'checkbox':

				?>

				<label>

					<input type="checkbox" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); checked( $this->value() ); ?> />

					<?php echo esc_html( $this->label ); ?>

				</label>

				<?php

				break;

			case 'radio':

				if ( empty( $this->choices ) )

					return;

				$name = '_customize-radio-' . $this->id;

				?>

				<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>

				<?php

				foreach ( $this->choices as $value => $label ) :

					?>

					<label>

						<input type="radio" value="<?php echo esc_attr( $value ); ?>" name="<?php echo esc_attr( $name ); ?>" <?php $this->link(); checked( $this->value(), $value ); ?> />

						<?php echo esc_html( $label ); ?><br/>

					</label>

					<?php

				endforeach;

				break;

			case 'select':

				if ( empty( $this->choices ) )

					return;

				?>

				<label>

					<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>

					<select <?php $this->link(); ?>>

						<?php

						foreach ( $this->choices as $value => $label )

							echo '<option value="' . esc_attr( $value ) . '"' . selected( $this->value(), $value, false ) . '>' . $label . '</option>';

						?>

					</select>

				</label>

				<?php

				break;

			case 'dropdown-pages':

				$dropdown = wp_dropdown_pages(

					array(

						'name'              => '_customize-dropdown-pages-' . $this->id,

						'echo'              => 0,

						'show_option_none'  => __( '— Select —' ),

						'option_none_value' => '0',

						'selected'          => $this->value(),

					)

				);

				// Hackily add in the data link parameter.

				$dropdown = str_replace( '<select', '<select ' . $this->get_link(), $dropdown );

				printf(

					'<label class="customize-control-select"><span class="customize-control-title">%s</span> %s</label>',

					$this->label,

					$dropdown

				);

				break;

		}

	}

}

class WP_Customize_Color_Control extends WP_Customize_Control {

	public $type = 'color';

	public $statuses;

	public function __construct( $manager, $id, $args = array() ) {

		$this->statuses = array( '' => __('Default') );

		parent::__construct( $manager, $id, $args );

	}

	public function enqueue() {

		wp_enqueue_script( 'farbtastic' );

		wp_enqueue_style( 'farbtastic' );

	}

	public function to_json() {

		parent::to_json();

		$this->json['statuses'] = $this->statuses;

	}

	public function render_content() {

		?>

		<label>

			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>

			<div class="customize-control-content">

				<div class="dropdown">

					<div class="dropdown-content">

						<div class="dropdown-status"></div>

					</div>

					<div class="dropdown-arrow"></div>

				</div>

				<input class="color-picker-hex" type="text" maxlength="7" placeholder="<?php esc_attr_e('Hex Value'); ?>" />

			</div>

			<div class="farbtastic-placeholder"></div>

		</label>

		<?php

	}

}

class WP_Customize_Upload_Control extends WP_Customize_Control {

	public $type    = 'upload';

	public $removed = '';

	public $context;

	public function enqueue() {

		wp_enqueue_script( 'wp-plupload' );

	}

	public function to_json() {

		parent::to_json();

		$this->json['removed'] = $this->removed;

		if ( $this->context )

			$this->json['context'] = $this->context;

	}

	public function render_content() {

		?>

		<label>

			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>

			<div>

				<a href="#" class="button-secondary upload"><?php _e( 'Upload' ); ?></a>

				<a href="#" class="remove"><?php _e( 'Remove' ); ?></a>

			</div>

		</label>

		<?php

	}

}

class WP_Customize_Image_Control extends WP_Customize_Upload_Control {

	public $type = 'image';

	public $get_url;

	public $statuses;

	protected $tabs = array();

	public function __construct( $manager, $id, $args ) {

		$this->statuses = array( '' => __('No Image') );

		parent::__construct( $manager, $id, $args );

		$this->add_tab( 'upload-new', __('Upload New'), array( $this, 'tab_upload_new' ) );

		$this->add_tab( 'uploaded',   __('Uploaded'),   array( $this, 'tab_uploaded' ) );

		// Early priority to occur before $this->manager->prepare_controls();

		add_action( 'customize_controls_init', array( $this, 'prepare_control' ), 5 );

	}

	/**

	 * Prepares the control.

	 *

	 * If no tabs exist, removes the control from the manager.

	 *

	 * @since 3.4.2

	 */

	public function prepare_control() {

		if ( ! $this->tabs )

			$this->manager->remove_control( $this->id );

	}

	public function to_json() {

		parent::to_json();

		$this->json['statuses'] = $this->statuses;

	}

	public function render_content() {

		$src = $this->value();

		if ( isset( $this->get_url ) )

			$src = call_user_func( $this->get_url, $src );

		?>

		<div class="customize-image-picker">

			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>

			<div class="customize-control-content">

				<div class="dropdown preview-thumbnail">

					<div class="dropdown-content">

						<?php if ( empty( $src ) ): ?>

							<img style="display:none;" />

						<?php else: ?>

							<img src="<?php echo esc_url( set_url_scheme( $src ) ); ?>" />

						<?php endif; ?>

						<div class="dropdown-status"></div>

					</div>

					<div class="dropdown-arrow"></div>

				</div>

			</div>

			<div class="library">

				<ul>

					<?php foreach ( $this->tabs as $id => $tab ): ?>

						<li data-customize-tab='<?php echo esc_attr( $id ); ?>'>

							<?php echo esc_html( $tab['label'] ); ?>

						</li>

					<?php endforeach; ?>

				</ul>

				<?php foreach ( $this->tabs as $id => $tab ): ?>

					<div class="library-content" data-customize-tab='<?php echo esc_attr( $id ); ?>'>

						<?php call_user_func( $tab['callback'] ); ?>

					</div>

				<?php endforeach; ?>

			</div>

			<div class="actions">

				<a href="#" class="remove"><?php _e( 'Remove Image' ); ?></a>

			</div>

		</div>

		<?php

	}

	public function add_tab( $id, $label, $callback ) {

		$this->tabs[ $id ] = array(

			'label'    => $label,

			'callback' => $callback,

		);

	}

	public function remove_tab( $id ) {

		unset( $this->tabs[ $id ] );

	}

	public function tab_upload_new() {

		if ( ! _device_can_upload() ) {

			?>

			<p><?php _e('The web browser on your device cannot be used to upload files. You may be able to use the <a href="http://wordpress.org/extend/mobile/">native app for your device</a> instead.'); ?></p>

			<?php

		} else {

			?>

			<div class="upload-dropzone">

				<?php _e('Drop a file here or <a href="#" class="upload">select a file</a>.'); ?>

			</div>

			<div class="upload-fallback">

				<span class="button-secondary"><?php _e('Select File'); ?></span>

			</div>

			<?php

		}

	}

	public function tab_uploaded() {

		?>

		<div class="uploaded-target"></div>

		<?php

	}