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apwu banners

class Apwu_Banners_Admin {

	public function __construct() {

		add_action( 'admin_menu', array( $this, 'add_admin_menu' ) );
		add_action( 'admin_init', array( $this, 'init_settings'  ) );

	}

	public function add_admin_menu() {

		add_menu_page(
			esc_html__( 'APWU Banners', 'apwu-banners' ),
			esc_html__( 'APWU Banners', 'apwu-banners' ),
			'manage_options',
			'apwu-banners',
			array( $this, 'banners_page_layout' ),
			'dashicons-slides',
			99
		);

	}

	public function init_settings() {

		register_setting(
			'apwu_banners',
			'apwu_banners'
		);

		add_settings_section(
			'apwu_banners_section',
			'',
			false,
			'apwu_banners'
		);

		add_settings_field(
			'banner_headline',
			__( 'Main headline', 'apwu-banners' ),
			array( $this, 'render_banner_headline_field' ),
			'apwu_banners',
			'apwu_banners_section'
		);
		add_settings_field(
			'banner_subhead',
			__( 'Subhead', 'apwu-banners' ),
			array( $this, 'render_banner_subhead_field' ),
			'apwu_banners',
			'apwu_banners_section'
		);
		add_settings_field(
			'button_one_link',
			__( 'Button one link', 'apwu-banners' ),
			array( $this, 'render_button_one_link_field' ),
			'apwu_banners',
			'apwu_banners_section'
		);
		add_settings_field(
			'button_two_link',
			__( 'Button two link', 'apwu-banners' ),
			array( $this, 'render_button_two_link_field' ),
			'apwu_banners',
			'apwu_banners_section'
		);
		add_settings_field(
			'banner_image',
			__( 'Banner image', 'apwu-banners' ),
			array( $this, 'render_banner_image_field' ),
			'apwu_banners',
			'apwu_banners_section'
		);

	}

	public function banners_page_layout() {

		// Check required user capability
		if ( !current_user_can( 'manage_options' ) )  {
			wp_die( esc_html__( 'You do not have sufficient permissions to access this page.', 'apwu-banners' ) );
		}

		// Admin Page Layout
		echo '<div class="wrap">' . "n";
		echo '	<h1>' . get_admin_page_title() . '</h1>' . "n";
		echo '	<form action="options.php" method="post">' . "n";

		settings_fields( 'apwu_banners' );
		do_settings_sections( 'apwu_banners' );
		submit_button();

		echo '	</form>' . "n";
		echo '</div>' . "n";

	}

	function render_banner_headline_field() {

		// Retrieve data from the database.
		$options = get_option( 'apwu_banners' );

		// Set default value.
		$value = isset( $options['banner_headline'] ) ? $options['banner_headline'] : '';

		// Field output.
		echo '<input type="text" name="apwu_banners[banner_headline]" class="regular-text banner_headline_field" placeholder="' . esc_attr__( 'Enter headline ...', 'apwu-banners' ) . '" value="' . esc_attr( $value ) . '">';
		echo '<p class="description">' . __( 'Add main headline text.', 'apwu-banners' ) . '</p>';

	}

	function render_banner_subhead_field() {

		// Retrieve data from the database.
		$options = get_option( 'apwu_banners' );

		// Set default value.
		$value = isset( $options['banner_subhead'] ) ? $options['banner_subhead'] : '';

		// Field output.
		echo '<input type="text" name="apwu_banners[banner_subhead]" class="regular-text banner_subhead_field" placeholder="' . esc_attr__( 'Enter subhead ...', 'apwu-banners' ) . '" value="' . esc_attr( $value ) . '">';
		echo '<p class="description">' . __( 'Enter subhead text.', 'apwu-banners' ) . '</p>';

	}

	function render_button_one_link_field() {

		// Retrieve data from the database.
		$options = get_option( 'apwu_banners' );

		// Set default value.
		$value = isset( $options['button_one_link'] ) ? $options['button_one_link'] : '';

		// Field output.
		echo '<input type="url" name="apwu_banners[button_one_link]" class="regular-text button_one_link_field" placeholder="' . esc_attr__( '', 'apwu-banners' ) . '" value="' . esc_attr( $value ) . '">';
		echo '<p class="description">' . __( 'Enter URL for button one.', 'apwu-banners' ) . '</p>';

	}

	function render_button_two_link_field() {

		// Retrieve data from the database.
		$options = get_option( 'apwu_banners' );

		// Set default value.
		$value = isset( $options['button_two_link'] ) ? $options['button_two_link'] : '';

		// Field output.
		echo '<input type="url" name="apwu_banners[button_two_link]" class="regular-text button_two_link_field" placeholder="' . esc_attr__( '', 'apwu-banners' ) . '" value="' . esc_attr( $value ) . '">';
		echo '<p class="description">' . __( 'Enter URL for button two.', 'apwu-banners' ) . '</p>';

	}

	function render_banner_image_field() {

		// Retrieve data from the database.
		$options = get_option( 'apwu_banners' );

		// Set default value.
		$value = isset( $options['banner_image'] ) ? $options['banner_image'] : '';

		// Field output.
		echo '<input type="text" name="apwu_banners[banner_image]" class="regular-text banner_image_field" placeholder="' . esc_attr__( '', 'apwu-banners' ) . '" value="' . esc_attr( $value ) . '">';
		echo '<p class="description">' . __( 'Select an image.', 'apwu-banners' ) . '</p>';

	}

}

new Apwu_Banners_Admin;