<?php
/*
Plugin Name: Multicons
Plugin URI: http://www.doc4design.com/plugins/multicons
Description: Auto generates code for both a favicon and an apple favicon into the header of your website
Version: 5.1
Author: Doc4
Author URI: http://www.doc4design.com
*/



// install the options pages
function multicons_menu_page() {
	add_options_page( __( 'Multicons', 'multicons-mulitple-favicons' ), __( 'Multicons', 'multicons-mulitple-favicons' ), 'manage_options', 'mmf', 'mmf_options_page' );
}
add_action( 'admin_menu', 'multicons_menu_page' );


// admin
function mmf_admin_init() {
	add_settings_section( 'mmf-section', __( 'Website Favicon', 'multicons-mulitple-favicons' ), 'mmf_section_callback', 'mmf' );
	add_settings_field( 'mmf-field', __( 'Favicon URL', 'multicons-mulitple-favicons' ), 'mmf_field_callback', 'mmf', 'mmf-section' );
	register_setting( 'mmf-options', 'mmf-setting', 'sanitize_text_field' );

	add_settings_section( 'mmf-section-admin', __( 'Dashboard Favicon', 'multicons-mulitple-favicons' ), 'mmf_section_callback_admin', 'mmf' );
	add_settings_field( 'mmf-field-admin', __( 'Favicon URL', 'multicons-mulitple-favicons' ), 'mmf_field_callback_admin', 'mmf', 'mmf-section-admin' );
	register_setting( 'mmf-options', 'mmf-setting-admin', 'sanitize_text_field' );

	add_settings_section( 'mmf-section-ios', __( 'Apple Touch Original Icon', 'multicons-mulitple-favicons' ), 'mmf_section_callback_ios', 'mmf' );
	add_settings_field( 'mmf-field-ios', __( 'Favicon URL', 'multicons-mulitple-favicons' ), 'mmf_field_callback_ios', 'mmf', 'mmf-section-ios' );
	register_setting( 'mmf-options', 'mmf-setting-ios', 'sanitize_text_field' );

	add_settings_section( 'mmf-section-iosflat', __( 'Apple Touch Precomposed Icon', 'multicons-mulitple-favicons' ), 'mmf_section_callback_iosflat', 'mmf' );
	add_settings_field( 'mmf-field-iosflat', __( 'Favicon URL', 'multicons-mulitple-favicons' ), 'mmf_field_callback_iosflat', 'mmf', 'mmf-section-iosflat' );
	register_setting( 'mmf-options', 'mmf-setting-iosflat', 'sanitize_text_field' );

	add_settings_section( 'mmf-section-androidhirez', __( 'Android High Resolution Icon', 'multicons-mulitple-favicons' ), 'mmf_section_callback_androidhirez', 'mmf' );
	add_settings_field( 'mmf-field-androidhirez', __( 'Favicon URL', 'multicons-mulitple-favicons' ), 'mmf_field_callback_androidhirez', 'mmf', 'mmf-section-androidhirez' );
	register_setting( 'mmf-options', 'mmf-setting-androidhirez', 'sanitize_text_field' );

	add_settings_section( 'mmf-section-androidreg', __( 'Android Regular Icon', 'multicons-mulitple-favicons' ), 'mmf_section_callback_androidreg', 'mmf' );
	add_settings_field( 'mmf-field-androidreg', __( 'Favicon URL', 'multicons-mulitple-favicons' ), 'mmf_field_callback_androidreg', 'mmf', 'mmf-section-androidreg' );
	register_setting( 'mmf-options', 'mmf-setting-androidreg', 'sanitize_text_field' );
}
add_action( 'admin_init', 'mmf_admin_init' );


function mmf_section_callback() {
    echo __( '• Upload your favicon file in .ico format to the media library and paste the link below.<br/>• Dimensions: 16 x 16 pixels or Multi-Size<br/>• Sample File Included', 'multicons-mulitple-favicons' );
}

function mmf_section_callback_admin() {
    echo __( '• Upload your favicon file in .ico format to the media library and paste the link below.<br/>• Dimensions: 16 x 16 pixels or Multi-Size<br/>• Sample File Included', 'multicons-mulitple-favicons' );
}

function mmf_section_callback_ios() {
    echo __( '• Upload your icon in .png format to the media library and paste the link below.<br/>• <strong>Only use one Apple Touch Icon link (Do not add a url to both Original and Precomposed)</strong><br/>• Name your Apple Touch Original Icon [apple-touch-icon.png]<br/>• Dimensions: 180 x 180 pixels<br/>• Sample File Included', 'multicons-mulitple-favicons' );
}

function mmf_section_callback_iosflat() {
    echo __( '• Upload your icon in .png format to the media library and paste the link below.<br/>• <strong>Only use one Apple Touch Icon link (Do not add a url to both Original and Precomposed)</strong><br/>• Name your Apple Touch Precomposed Icon [apple-touch-icon-precomposed.png]<br/>• Dimensions: 180 x 180 pixels<br/>• Sample File Included', 'multicons-mulitple-favicons' );
}

function mmf_section_callback_androidhirez() {
    echo __( '• Upload your icon in .png format to the media library and paste the link below.<br/>• <strong>You may use both options for Android (High Resolution and Regular Icons)</strong><br/>• Name your Android High Resolution Icon [icon-hires.png]<br/>• Dimensions: 192 x 192 pixels<br/>• Sample File Included', 'multicons-mulitple-favicons' );
}

function mmf_section_callback_androidreg() {
    echo __( '• Upload your icon in .png format to the media library and paste the link below.<br/>• <strong>You may use both options for Android (High Resolution and Regular Icons)</strong><br/>• Name your Android Regular Icon [icon-regular.png]<br/>• Dimensions: 128 x 128 pixels<br/>• Sample File Included', 'multicons-mulitple-favicons' );
}


// fields
function mmf_field_callback() {
	$mmf_setting = esc_url( get_option( 'mmf-setting' ) );
	echo "<input type='text' size='60' maxlength='150' name='mmf-setting' value='$mmf_setting' /><br/><br/><br/><br/>";
}

function mmf_field_callback_admin() {
	$mmf_setting_admin = esc_url( get_option( 'mmf-setting-admin' ) );
	echo "<input type='text' size='60' maxlength='150' name='mmf-setting-admin' value='$mmf_setting_admin' /><br/><br/><br/><br/>";
}

function mmf_field_callback_ios() {
	$mmf_setting_ios = esc_url( get_option( 'mmf-setting-ios' ) );
	echo "<input type='text' size='60' maxlength='150' name='mmf-setting-ios' value='$mmf_setting_ios' /><br/><br/><br/><br/>";
}

function mmf_field_callback_iosflat() {
	$mmf_setting_iosflat = esc_url( get_option( 'mmf-setting-iosflat' ) );
	echo "<input type='text' size='60' maxlength='150' name='mmf-setting-iosflat' value='$mmf_setting_iosflat' /><br/><br/><br/><br/>";
}

function mmf_field_callback_androidhirez() {
	$mmf_setting_androidhirez = esc_url( get_option( 'mmf-setting-ios' ) );
	echo "<input type='text' size='60' maxlength='150' name='mmf-setting-androidhirez' value='$mmf_setting_androidhirez' /><br/><br/><br/><br/>";
}

function mmf_field_callback_androidreg() {
	$mmf_setting_androidreg = esc_url( get_option( 'mmf-setting-androidreg' ) );
	echo "<input type='text' size='60' maxlength='150' name='mmf-setting-androidreg' value='$mmf_setting_androidreg' /><br/><br/><br/><br/>";
}


// display
function mmf_options_page() {
?>
<div class="wrap">
	<h1><?php _e( 'Multicons [ Multiple Favicons ]', 'multicons-mulitple-favicons' ); ?></h1>
	<hr>
	<form action="options.php" method="POST">
	<?php settings_fields( 'mmf-options' ); ?>
	<?php do_settings_sections( 'mmf' ); ?>
	<?php submit_button(__('Save Changes', 'multicons-mulitple-favicons')); ?>
	</form>
	<hr>
	<p><?php _e( 'Note: When no link is provided, a default regular favicon will be used - this is to ensure the plugin is working properly.', 'multicons-mulitple-favicons' ); ?></p>

</div>
<?php
}


// add to the website header
function mmf_display_favicon() {
	$mmf_custom_favicon = esc_url( get_option( 'mmf-setting' ) );
	$mmf_default_favicon = plugins_url( 'images/favicon.ico', __FILE__ );

	if (empty( $mmf_custom_favicon )) {
		echo '<link rel="shortcut icon" href="'.$mmf_default_favicon.'" />'."\n";
	}
	else {
		echo '<link rel="shortcut icon" href="'.$mmf_custom_favicon.'" />'."\n";
	}
}
add_action( 'wp_head', 'mmf_display_favicon' );


// add to the website admin header
function mmf_display_icon_admin() {
	$mmf_custom_favicon_admin = esc_url( get_option( 'mmf-setting-admin' ) );
	$mmf_default_favicon_admin = plugins_url( 'images/favicon.ico', __FILE__ );

	if (empty( $mmf_custom_favicon_admin )) {
		echo '';
	}
	else {
		echo '<link rel="shortcut icon" href="'.$mmf_custom_favicon_admin.'" />'."\n";
	}
}
add_action( 'admin_head', 'mmf_display_icon_admin' );


// add apple original icon to website header
function mmf_display_icon_ios() {
	$mmf_custom_icon_ios = esc_url( get_option( 'mmf-setting-ios' ) );
	$mmf_default_icon_ios = plugins_url( 'images/apple-touch-icon.png', __FILE__ );

	if (empty( $mmf_custom_icon_ios )) {
		echo '';
	}
	else {
		echo '<link rel="apple-touch-icon" href="'.$mmf_custom_icon_ios.'" />'."\n";
	}
}
add_action( 'wp_head', 'mmf_display_icon_ios' );


// add apple precomposed icon to website header
function mmf_display_icon_iosflat() {
	$mmf_custom_icon_iosflat = esc_url( get_option( 'mmf-setting-iosflat' ) );
	$mmf_default_icon_iosflat = plugins_url( 'images/apple-touch-icon.png', __FILE__ );

	if (empty( $mmf_custom_icon_iosflat )) {
		echo ''."\n";
	}
	else {
		echo '<link rel="apple-touch-icon" href="'.$mmf_custom_icon_iosflat.'" />'."\n";
	}
}
add_action( 'wp_head', 'mmf_display_icon_iosflat' );


// add android high-rez icon to website header
function mmf_display_icon_androidhirez() {
	$mmf_custom_icon_androidhirez = esc_url( get_option( 'mmf-setting-androidhirez' ) );
	$mmf_default_icon_androidhirez = plugins_url( 'images/icon-hires.png', __FILE__ );

	if (empty( $mmf_custom_icon_androidhirez )) {
		echo ''."\n";
	}
	else {
		echo '<link rel="icon" href="'.$mmf_custom_icon_androidhirez.'" />'."\n";
	}
}
add_action( 'wp_head', 'mmf_display_icon_androidhirez' );


// add android regular icon to website header
function mmf_display_icon_androidreg() {
	$mmf_custom_icon_androidreg = esc_url( get_option( 'mmf-setting-androidreg' ) );
	$mmf_default_icon_androidreg = plugins_url( 'images/icon-regular.png', __FILE__ );

	if (empty( $mmf_custom_icon_androidreg )) {
		echo ''."\n";
	}
	else {
		echo '<link rel="icon" href="'.$mmf_custom_icon_androidreg.'" />'."\n";
	}
}
add_action( 'wp_head', 'mmf_display_icon_androidreg' );

?>