admin-customizations

<?php
/**
 *  Admin Customizations
 *
 * @description: All functions that customize the admin area go here
 */


/************
* Automatic update of themes, plugins and major WP versions.
*
* http://www.wpwhitesecurity.com/wordpress-tutorial/guide-configuring-wordpress-automatic-updates/
*
*************************/

/* Allow major updates to be automatic updated */
add_filter('allow_major_auto_core_updates', '__return_true' );

/* Allow themes to be automatic updated */
add_filter( 'auto_update_theme', '__return_true');

/* Allow plugins to be automatic updated */
add_filter( 'auto_update_plugin', '__return_true' );



/***********************************************************************
* Adds a -- favicon -- 
* and CSS for login screen, dashboard and sidebar items
*
*************************************************************************/
function wordimpress_custom_styles() {

	//* Adds a favicon
	echo '<link rel="shortcut icon" type="image/png" href="' . plugins_url( 'assets/img/favicon.ico',  dirname(__FILE__) ) . '" />';
	
	//* Adds the admin.css file
	echo '<link rel="stylesheet" href="' . plugins_url( 'assets/css/admin.css', dirname(__FILE__) ) . '" type="text/css" media="screen" />';
	
}

//* Adds the favicon to the login screen and the backend admin area 
add_action( 'login_head', 'wordimpress_custom_styles' );
add_action( 'admin_head', 'wordimpress_custom_styles' );


/***********************************************
* Login with username or email address:
* http://en.bainternet.info/2013/wordpress-allow-login-with-email
*
***********************************************/

add_filter('authenticate', 'bainternet_allow_email_login', 20, 3);
function bainternet_allow_email_login( $user, $username, $password ) {
    if ( is_email( $username ) ) {
        $user = get_user_by_email( $username );
        if ( $user ) $username = $user->user_login;
        
    }
    return wp_authenticate_username_password( null, $username, $password );
}

add_filter( 'gettext', 'addEmailToLogin', 20, 3 );
function addEmailToLogin( $translated_text, $text, $domain ) {
    if ( "Username" == $translated_text )
        $translated_text .= __( ' Or Email');
    return $translated_text;
}


/*************************************************
* domainname.com/login after the domain name redirects to the correct wp-login.php url. 
* http://en.bainternet.info/2012/wordpress-easy-login-url-with-no-htaccess
*
***************************************************/

// Add rewrite rule and flush on plugin activation
register_activation_hook( __FILE__, 'NLURL_activate' );
function NLURL_activate() {
    if (! get_option('permalink_structure') ){
        add_action('admin_notices', 'permalink_structure_admin_notice');
    }
    NLURL_rewrite();
    flush_rewrite_rules();
}
 
// Flush on plugin deactivation
register_deactivation_hook( __FILE__, 'NLURL_deactivate' );
function NLURL_deactivate() {
    flush_rewrite_rules();
}
 
// Create new rewrite rule
add_action( 'init', 'NLURL_rewrite' );
function NLURL_rewrite() {
    add_rewrite_rule( 'login/?$', 'wp-login.php', 'top' );
    add_rewrite_rule( 'register/?$', 'wp-login.php?action=register', 'top' );
    add_rewrite_rule( 'forgot/?$', 'wp-login.php?action=lostpassword', 'top' );
}
 
 
//register url fix
add_filter('register','fix_register_url');
function fix_register_url($link){
    return str_replace(site_url('wp-login.php?action=register', 'login'),site_url('register', 'login'),$link);
}
 

/******************************
login url fix
add_filter('login_url','fix_login_url');
function fix_login_url($link){
    return str_replace(site_url('wp-login.php', 'login'),site_url('login', 'login'),$link);
}
*******************************/
 
//forgot password url fix
add_filter('lostpassword_url','fix_lostpass_url');
function fix_lostpass_url($link){
    return str_replace('?action=lostpassword','',str_replace(network_site_url('wp-login.php', 'login'),site_url('forgot', 'login'),$link));
}
 
//Site URL hack to overwrite register url
add_filter('site_url','fix_urls',10,3);
function fix_urls($url, $path, $orig_scheme){
    if ($orig_scheme !== 'login')
        return $url;
    if ($path == 'wp-login.php?action=register')
        return site_url('register', 'login');
 
    return $url;
}
//notice if user needs to enable permalinks
function permalink_structure_admin_notice(){
    echo '<div id="message" class="error"><p>Please Make sure to enable <a href="options-permalink.php">Permalinks</a>.</p></div>';
}


/********************************************************************
* replace WordPress Howdy
* http://www.trickspanda.com/2014/01/change-howdy-text-wordpress-admin-bar/
*
********************************************************************/
function change_howdy($translated, $text, $domain) {

    if (!is_admin() || 'default' != $domain)
        return $translated;
    if (false !== strpos($translated, 'Howdy'))
        return str_replace('Howdy', 'Welcome', $translated);
    return $translated;
}
add_filter('gettext', 'change_howdy', 10, 3);


/***************************************
* Change --Footer text-- in WordPress admin/backend
* http://www.trickspanda.com/2014/01/change-footer-text-wordpress-admin-panel/
*
***************************************/
function remove_footer_admin () {
	echo 'Made with <a href="http://www.wordpress.org" target="_blank">WordPress</a> | Initial creation by <a href="http://wordimpress.com/" target="_blank">WordImpress</a> | WordPress Tutorials: <a href="http://easywebdesigntutorials.com/" target="_blank">Easy Web Design Tutorials</a></p>';
}
add_filter('admin_footer_text', 'remove_footer_admin');


/***************************************************
* Reveal page IDs - Ads the Page ID on the Pages list screen
*
* http://markgoodyear.com/2013/07/display-page-id-wordpress-admin-area/
* There is also a plugin: http://wordpress.org/plugins/reveal-ids-for-wp-admin-25/
****************************************************/

// Set columns to be used in the Pages section
function custom_set_pages_columns($columns) {
  return array(
    'cb' => '<input type="checkbox" />',
    'page_id' => __('ID'),
    'title' => __('Title'),
    'author' => __('Author'),
    'date' => __('Date'),
  );
}

// Add the ID to the page ID column
function custom_set_pages_columns_page_id( $column, $post_id ) {
  if ($column == 'page_id'){
    echo $post_id;
  }
}

// Add custom styles to the page ID column
function custom_admin_styling() {
  echo '<style type="text/css">',
    'th#page_id{width:60px;}',
    '</style>';
}

// Add filters and actions
add_filter('manage_edit-page_columns' , 'custom_set_pages_columns');
add_action( 'manage_pages_custom_column' , 'custom_set_pages_columns_page_id', 10, 2 );
add_action('admin_head', 'custom_admin_styling');

	


/************************ ---- CHECK THE CODE - It effects the visibility of Posts ----
* Hide items from wp-admin menu for non admin users
* http://www.1stwebdesigner.com/wordpress/12-wordpress-coding-snippets-hacks/
*
*************************


    function remove_dashboard_widgets() {
        global $menu,$submenu;

        global $current_user;
        get_currentuserinfo();

        if ($current_user->ID != 1) { // only admin sees the whole thing
            // $menu and $submenu will return fo all menu and submenu list in admin panel .
            $menu[2] = ""; //Dashboard
            $menu[5] = ""; // Posts
            $menu[15] = ""; //Links
            $menu[25] = ""; //Comments
            $menu[65] = ""; //Plugins

            unset($submenu['themes.php'][5]); //themes
            unset($submenu['themes.php'][12]); //editor
        }
    }
    add_action('admin_head', 'remove_dashboard_widgets');


/********************************************
*
* Add TinyMCE Editor to Category Description -- Is not working correctly-
*
* http://www.paulund.co.uk/add-tinymce-editor-category-description
*
**********************************************/

// remove the html filtering
remove_filter( 'pre_term_description', 'wp_filter_kses' );
remove_filter( 'term_description', 'wp_kses_data' );

add_filter('edit_category_form_fields', 'cat_description');
function cat_description($tag)
{
    ?>
        <table class="form-table">
            <tr class="form-field">
                <th scope="row" valign="top"><label for="description"><?php _ex('Description', 'Taxonomy Description'); ?></label></th>
                <td>
                <?php
                    $settings = array('wpautop' => true, 'media_buttons' => true, 'quicktags' => true, 'textarea_rows' => '15', 'textarea_name' => 'description' );
                    wp_editor(wp_kses_post($tag->description , ENT_QUOTES, 'UTF-8'), 'cat_description', $settings);
                ?>
                <br />
                <span class="description"><?php _e('The description is not prominent by default; however, some themes may show it.'); ?></span>
                </td>
            </tr>
        </table>
    <?php
}

add_action('admin_head', 'remove_default_category_description');
function remove_default_category_description()
{
    global $current_screen;
    if ( $current_screen->id == 'edit-category' )
    {
    ?>
        <script type="text/javascript">
        jQuery(function($) {
            $('textarea#description').closest('tr.form-field').remove();
        });
        </script>
    <?php
    }
}



/***************************************
* Change the opacity OR hide WordPress Admin Bar 
* http://technerdia.com/1140_wordpress-admin-bar.html
* 
* Opacity is set to 50 on the frontend and 100 on the backend.
* On hover 50 changes to 100.
*
*****************************************/
function hide_adminbar() {
	$hide_adminbar = '<script type="text/javascript">
		$(document).ready( function() {
			$("#wpadminbar").fadeTo( "slow", 0 );
			$("#wpadminbar").hover(function() {
				$("#wpadminbar").fadeTo( "slow", 1 );
			}, function() {
				$("#wpadminbar").fadeTo( "slow", 0 );
			});
		});
	</script>
	<style type="text/css">
		html { margin-top: !important; }
		* html body { margin-top: !important; }
		#wpadminbar {
			-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)"; 
			filter: alpha(opacity=50);
			-moz-opacity:0.5;
			-khtml-opacity:0.5;
			opacity:0.5;
		}
		#wpadminbar:hover, #wpadminbar:focus {
			-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
			filter: alpha(opacity=100);
			-moz-opacity:1;
			-khtml-opacity:1;
			opacity:1;
		}
	</style>';
	echo $hide_adminbar;
}
/* wp-admin area - Backend */
/*if ( is_admin() ) {
	add_action( 'admin_head', 'hide_adminbar' );
}*/
/* websites - Frontend */
if ( !is_admin() ) {
	add_action( 'wp_head', 'hide_adminbar' );
}



/*********************************
* Add and remove dashboard widgets 
* - activity, right now (At a Glance) and quick press (Quick Draft), primary (WordPress News)
************************************/
function wordimpress_dashboard_cleanup() {
 
	//* remove meta boxes to the left
//*	remove_meta_box( 'dashboard_activity', 'dashboard', 'normal' );
//*	remove_meta_box( 'dashboard_right_now', 'dashboard', 'normal' );

	//* remove meta boxes to the right
//*	remove_meta_box( 'dashboard_primary', 'dashboard', 'side' );
//*	remove_meta_box( 'dashboard_quick_press', 'dashboard', 'side' );

}

/***************************** 
*Add a custom Welcome Panel
*****************************/
function my_welcome_panel() {
    ?>
    
    <div class="top-welcome-panel-content">
    	
    	<div class="top-welcome-panel-logo" style="height: 120px;">
      	<!-- Adds a logo top left-->
      	
      	<a href="http://wordimpress.com/building-first-custom-functionality-plugin/" target="_blank" style="float: left;"><img src="<?php echo plugins_url( '../assets/img/wordimpress-logo.png', __FILE__) ?>" title="Go to the Blog entry at WordImpress on part 1 - building the first custom functionality plugin"/></a> <b>Based on and inspired by</b> <br /> 
    	
    	<a href="http://advancedwp.org/" target="_blank" style="float: left; padding: 0 40px 20px 40px;"><img src="<?php echo plugins_url( '../assets/img/awp-logo.png', __FILE__) ?>" title="Advanced WordPress web page"/></a> Made by <br />
    	
    	<a href="http://easywebdesigntutorials.com/" target="_blank"><img src="<?php echo plugins_url( '../assets/img/easyweb-logo2.png', __FILE__) ?>" title="The web site for Easy Web Design Tutorials" style="padding: -20px 0 30px -10px; margin: -20px 0 -10px 0;"/></a>
	  	</div>
	  	
    	<!-- using ?php_e makes the string/words translatable http://codex.wordpress.org/Function_Reference/_e -->
    	<div class="title-welcome-panel" style="margin: 5px 0 5px 0;">
   		 	<h2><?php _e( 'Welcome to WordPress. ' ); ?><br /></h2>
   		</div>
  		  	 <p class="about-description" style="float: left;"><?php _e( 'This is the backend. We use it to modify and add functions to the web site. The most important sections are: ' ); ?></p>
     		</div>
     	
     
    <div class="welcome-panel-column-container">
    
   	 <div class="welcome-panel-column welcome-panel-first">
        <h4><?php _e( 'Add Content' ); ?></h4>
        <ul>
        
        	<li><?php printf( '<a href="%s" class="dashicons dashicons-admin-page">' . __( 'Add a page' ) . '</a>', admin_url( 'edit.php?post_type=page' ) ); ?></li>
        
            <li><?php printf( '<a href="%s" class="dashicons dashicons-admin-post">' . __( 'Add a blog post (article)' ) . '</a>', admin_url( 'edit.php' ) ); ?></li>
            
          	<li><?php printf( '<a href="%s" class="dashicons dashicons-admin-media">' . __( 'Add to the Media Library' ) . '</a>', admin_url( 'upload.php' ) ); ?></li> 
          	
          	<!-- <li><?php printf( '<a href="%s" class="dashicons dashicons-welcome-view-site">' . __( 'View your site (frontend)' ) . '</a>', home_url( '/' ) ); ?></li></p> -->
          	
        </ul>
   	 </div>
   
   	<div class="welcome-panel-column welcome-panel-middle">
       <h4><?php _e( 'Appearance' ); ?></h4>
       <ul>
       
       	<li><?php printf( '<a href="%s" class="dashicons dashicons-format-image">' . __( 'Check out the themes' ) . '</a>', admin_url( 'themes.php' ) ); ?></li>
       
           <li><?php printf( '<a href="%s" class="dashicons dashicons-hammer">' . __( 'Customize the look of your site' ) . '</a>', admin_url( 'customize.php' ) ); ?></li>
                    	
           <li><?php printf( '<div class="dashicons dashicons-welcome-widgets-menus">' . __( 'Manage <a href="%1$s">widgets</a> or <a href="%2$s">menus</a>' ) . '</div>', admin_url( 'widgets.php' ), admin_url( 'nav-menus.php' ) ); ?></li>
           
           <li><?php printf( '<a href="%s" class="dashicons dashicons-admin-plugins">' . __( 'Add a plugin' ) . '</a>', admin_url( 'upload.php' ) ); ?></li> 
           
       </ul>
   	</div>
      
    <div class="welcome-panel-column welcome-panel-last">
        <h4><?php _e( 'Settings' ); ?></h4>
        <ul>
            
            <li><?php printf( '<a href="%s" class="dashicons dashicons-admin-generic">' . __( 'General' ) . '</a>', admin_url( 'options-general.php' ) ); ?></li></p>
            
            <li><?php printf( '<a href="%s" class="dashicons dashicons-clipboard">' . __( 'Reading' ) . '</a>', admin_url( 'options-reading.php' ) ); ?></li>
            
            <li><?php printf( '<a href="%s" class="dashicons dashicons-images-alt2">' . __( 'Media' ) . '</a>', admin_url( 'options-media.php' ) ); ?></li>          
            
             <li><?php printf( '<a href="%s" class="dashicons dashicons-admin-links">' . __( 'Permalink' ) . '</a>', admin_url( 'options-permalink.php' ) ); ?></li>
            
           <!-- <li><?php printf( '<a href="%s" class="welcome-icon welcome-learn-more">' . __( 'Learn more about getting started' ) . '</a>', __( 'http://codex.wordpress.org/First_Steps_With_WordPress' ) ); ?></li> -->
        </ul>
    </div>
   </div>
   
    <div class="welcome-bottom-middle">
    <h3 align=center><?php _e( 'Getting started series' ); ?></h3>
   <!-- <p class="about-description">Create a new paragraph!</p>
    <p>Write your custom message here</p> -->
    <p align=center><iframe width="560" height="315" src="//www.youtube.com/embed/videoseries?list=PLD3AB608F62AC973C" frameborder="0" allowfullscreen></iframe></p>
    <p align=center><?php _e('The first video shows the sections mentioned above' ); ?></p>
     <p align=center><?php _e('Below are the standard Dashboard widget sections.' ); ?></p>
    </div>
    <!-- commented out the following close div tag to have all the widgets inside the welcome panel. Uncommented to move the default widgets outside of the welcome panel.
    </div> -->
<?php
}

remove_action('welcome_panel','wp_welcome_panel');
add_action( 'welcome_panel', 'my_welcome_panel' );


/********************* 
* re-order admin panel
* Do also check this page: http://www.paulund.co.uk/add-menu-item-to-wordpress-admin
*
**********************/
function wordimpress_reorder_menu( $__return_true ) {
	return array(
		'index.php', // this represents the dashboard link
		'edit.php?post_type=page', // this is the default page menu
		'edit.php?post_type=post', // this is the default page menu
		'edit.php', // this is the default POST admin menu
		'upload.php',
		'edit-comments.php',
	);
}

add_filter( 'custom_menu_order', 'wordimpress_reorder_menu' );
add_filter( 'menu_order', 'wordimpress_reorder_menu' );

/**
 * Remove Menu Links
 *
 * @see : https://codex.wordpress.org/Function_Reference/remove_menu_page
 * @TODO: Determin which menu pages, if any, you would like removed
 */
function wordimpress_remove_menus() {

//  remove_menu_page( 'index.php' );                  //Dashboard
//	remove_menu_page( 'edit.php' ); 										//Posts
//  remove_menu_page( 'upload.php' );                 //Media
//  remove_menu_page( 'edit.php?post_type=page' );    //Pages
//  remove_menu_page( 'edit-comments.php' );          //Comments
//  remove_menu_page( 'themes.php' );                 //Appearance
//  remove_menu_page( 'plugins.php' );                //Plugins
//  remove_menu_page( 'users.php' );                  //Users
//  remove_menu_page( 'tools.php' );                  //Tools
//  remove_menu_page( 'options-general.php' );        //Settings

}

add_action( 'admin_menu', 'wordimpress_remove_menus' );