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Filename : heading.php
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<?php

/**
 * @class FLHeadingModule
 */
class FLHeadingModule extends FLBuilderModule {

	/**
	 * @since 1.0
	 * @return void
	 */
	public function __construct() {
		parent::__construct(array(
			'name'            => __( 'Heading', 'fl-builder' ),
			'description'     => __( 'Display a title/page heading.', 'fl-builder' ),
			'category'        => __( 'Basic', 'fl-builder' ),
			'partial_refresh' => true,
			'icon'            => 'text.svg',
		));
	}

	/**
	 * Ensure backwards compatibility with old settings.
	 *
	 * @since 2.2
	 * @param object $settings A module settings object.
	 * @param object $helper A settings compatibility helper.
	 * @return object
	 */
	public function filter_settings( $settings, $helper ) {

		// Make sure we have a typography array.
		if ( ! isset( $settings->typography ) || ! is_array( $settings->typography ) ) {
			$settings->typography            = array();
			$settings->typography_medium     = array();
			$settings->typography_responsive = array();
		}

		// Handle old font settings.
		if ( isset( $settings->font ) && is_array( $settings->font ) && isset( $settings->font['family'] ) && isset( $settings->font['weight'] ) ) {
			$settings->typography['font_family'] = $settings->font['family'];
			$settings->typography['font_weight'] = $settings->font['weight'];
		}

		// Handle old alignment settings.
		if ( isset( $settings->alignment ) ) {
			$settings->typography['text_align'] = $settings->alignment;
		}
		if ( isset( $settings->r_alignment ) && 'custom' === $settings->r_alignment ) {
			$settings->typography_responsive['text_align'] = $settings->r_custom_alignment;
		}

		// Handle old font size settings.
		if ( isset( $settings->font_size ) && 'custom' === $settings->font_size ) {
			$settings->typography['font_size'] = array(
				'length' => $settings->custom_font_size,
				'unit'   => 'px',
			);
		}
		if ( isset( $settings->r_font_size ) && 'custom' === $settings->r_font_size ) {
			$settings->typography_responsive['font_size'] = array(
				'length' => $settings->r_custom_font_size,
				'unit'   => 'px',
			);
		}

		// Handle old line height settings.
		if ( isset( $settings->line_height ) && 'custom' === $settings->line_height ) {
			$settings->typography['line_height'] = array(
				'length' => $settings->custom_line_height,
				'unit'   => '',
			);
		}
		if ( isset( $settings->r_line_height ) && 'custom' === $settings->r_line_height ) {
			$settings->typography_responsive['line_height'] = array(
				'length' => $settings->r_custom_line_height,
				'unit'   => '',
			);
		}

		// Handle old letter spacing settings.
		if ( isset( $settings->letter_spacing ) && 'custom' === $settings->letter_spacing ) {
			$settings->typography['letter_spacing'] = array(
				'length' => $settings->custom_letter_spacing,
				'unit'   => 'px',
			);
		}
		if ( isset( $settings->r_letter_spacing ) && 'custom' === $settings->r_letter_spacing ) {
			$settings->typography_responsive['letter_spacing'] = array(
				'length' => $settings->r_custom_letter_spacing,
				'unit'   => 'px',
			);
		}

		// Unset old settings.
		if ( isset( $settings->font ) ) {
			unset( $settings->font );
			unset( $settings->alignment );
			unset( $settings->r_alignment );
			unset( $settings->r_custom_alignment );
			unset( $settings->font_size );
			unset( $settings->custom_font_size );
			unset( $settings->r_font_size );
			unset( $settings->r_custom_font_size );
			unset( $settings->line_height );
			unset( $settings->custom_line_height );
			unset( $settings->r_line_height );
			unset( $settings->r_custom_line_height );
			unset( $settings->letter_spacing );
			unset( $settings->custom_letter_spacing );
			unset( $settings->r_letter_spacing );
			unset( $settings->r_custom_letter_spacing );
		}

		// Return the filtered settings.
		return $settings;
	}

	/**
	 * Returns link rel based on settings.
	 * @since 2.2
	 * @return string
	 */
	public function get_rel() {
		$rel = array();
		if ( '_blank' == $this->settings->link_target ) {
			$rel[] = 'noopener';
		}
		if ( isset( $this->settings->link_nofollow ) && 'yes' == $this->settings->link_nofollow ) {
			$rel[] = 'nofollow';
		}
		$rel = implode( ' ', $rel );
		if ( $rel ) {
			$rel = ' rel="' . $rel . '" ';
		}
		return $rel;
	}
}

/**
 * Register the module and its form settings.
 */
FLBuilder::register_module('FLHeadingModule', array(
	'general' => array(
		'title'    => __( 'General', 'fl-builder' ),
		'sections' => array(
			'general' => array(
				'title'  => '',
				'fields' => array(
					'heading' => array(
						'type'        => 'text',
						'label'       => __( 'Heading', 'fl-builder' ),
						'default'     => '',
						'preview'     => array(
							'type'     => 'text',
							'selector' => '.fl-heading-text',
						),
						'connections' => array( 'string' ),
					),
					'tag'     => array(
						'type'    => 'select',
						'label'   => __( 'HTML Tag', 'fl-builder' ),
						'default' => 'h2',
						'options' => array(
							'h1' => 'h1',
							'h2' => 'h2',
							'h3' => 'h3',
							'h4' => 'h4',
							'h5' => 'h5',
							'h6' => 'h6',
						),
						'preview' => array(
							'type' => 'none',
						),
					),
					'link'    => array(
						'type'          => 'link',
						'label'         => __( 'Link', 'fl-builder' ),
						'show_target'   => true,
						'show_nofollow' => true,
						'preview'       => array(
							'type' => 'none',
						),
						'connections'   => array( 'url' ),
					),
				),
			),
		),
	),
	'style'   => array(
		'title'    => __( 'Style', 'fl-builder' ),
		'sections' => array(
			'colors' => array(
				'title'  => '',
				'fields' => array(
					'color'      => array(
						'type'        => 'color',
						'connections' => array( 'color' ),
						'show_reset'  => true,
						'show_alpha'  => true,
						'label'       => __( 'Color', 'fl-builder' ),
						'preview'     => array(
							'type'      => 'css',
							'selector'  => '.fl-module-content *',
							'property'  => 'color',
							'important' => true,
						),
					),
					'typography' => array(
						'type'       => 'typography',
						'label'      => __( 'Typography', 'fl-builder' ),
						'responsive' => true,
						'preview'    => array(
							'type'      => 'css',
							'selector'  => '{node}.fl-module-heading .fl-heading',
							'important' => true,
						),
					),
				),
			),
		),
	),
));