hangar-wp-theme/functions.php

<?php

//wp_set_password( 'testhangar', 1 );

load_theme_textdomain('hangar', TEMPLATEPATH .'/languages');

/* add support for thumbnails */
	if ( function_exists( 'add_theme_support' ) )
	add_theme_support( 'post-thumbnails' );

	if ( function_exists( 'add_image_size' ) ) {
	add_image_size( 'artists-thumb', 200, 230, true ); //200x230
	add_image_size( 'obres-thumb', 136, 102, true ); //per a les galeries de les obres
	}

// Path constants
define('THEMELIB', TEMPLATEPATH . '/library');

// Create widgetitzed sidebars
require_once(THEMELIB . '/widgetized-sidebars.php');

// Comments extensions
require_once(THEMELIB . '/comments-extensions.php');

// Comments extensions
require_once(THEMELIB . '/breadcrumb.php');

// Create custom posts and custom fields
require_once(THEMELIB . '/custom-posts.php');

// custom login screen i peu de l'admin
function custom_login() {
	echo '<link rel="stylesheet" type="text/css" href="'. get_template_directory_uri() .'/custom-login/custom-login.css" />';

}
add_action('login_head', 'custom_login');

function remove_footer_admin () {
echo 'Custom text | Copyright &copy; message';
}
add_filter('admin_footer_text', 'remove_footer_admin');


//afegir estils a l'editor

/* Custom CSS styles on WYSIWYG - Start
======================================= */
if ( ! function_exists( 'myCustomTinyMCE' ) ) :
function myCustomTinyMCE($init) {
$init['theme_advanced_buttons2_add_before'] = 'styleselect'; // Adiciona os botões no incio da linha. (theme_advanced_buttons2_add adiciona-os no fim da linha)
$init['theme_advanced_styles'] = 'Centrar text=centertext,Text blau=textblau,Lletra petita=petita,Icona PDF=pdficon'; // Especifica os estilos a aplicar pela selectbox acima criada, e que já estão definidos no mycustomstyles.css, altere e/ou acrescente os seus.
return $init;
}
endif;
add_filter('tiny_mce_before_init', 'myCustomTinyMCE' );
add_filter( 'mce_css', 'tdav_css' );
// incluir o CSS no tema.
function mycustomStyles(){
// time stamp for caching
// https://developer.wordpress.org/reference/functions/wp_enqueue_style/#comment-2056
wp_enqueue_style( 'myCustomStyles', get_template_directory_uri() . '/css/styleHangar.css', array(), filemtime(get_template_directory() . '/css/styleHangar.css'), false);

}
add_action('init', 'myCustomStyles');


/* Custom CSS styles on WYSIWYG - End
======================================= */
/**
 * Tests if any of a post's assigned categories are descendants of target categories
 *
 * @param int|array $cats The target categories. Integer ID or array of integer IDs
 * @param int|object $_post The post. Omit to test the current post in the Loop or main query
 * @return bool True if at least 1 of the post's categories is a descendant of any of the target categories
 * @see get_term_by() You can get a category by name or slug, then pass ID to this function
 * @uses get_term_children() Passes $cats
 * @uses in_category() Passes $_post (can be empty)
 * @version 2.7
 * @link http://codex.wordpress.org/Function_Reference/in_category#Testing_if_a_post_is_in_a_descendant_category
 */
function post_is_in_descendant_category( $cats, $_post = null )
{
	foreach ( (array) $cats as $cat ) {
		// get_term_children() accepts integer ID only
		$descendants = get_term_children( (int) $cat, 'category');
		if ( $descendants && in_category( $descendants, $_post ) )
			return true;
	}
	return false;
}
//end function testing descendent categories

function is_page_child($post, $idp)
{
	//497 = artistes residents
	$prova = $post->post_parent;
	if ($prova == $idp) :
		return true;
	else :
		return false;
	endif;

	$idp = null;
}

//per saber si una categoria té subcategories

function has_subcategories($catt)
{
	$child_cats = get_term_children($catt, 'category');

	$childs = count($child_cats);

	if ($childs > 0 ) :
		return true;
	else :
		return false;
	endif;
}

// commented on 2022/08/24 moved code to hangar-wp-plugin
//
//construim un panell de control a l'administració per a que vegin les que estan marcades per a sortir a la home
// function  menu_control_home(){
// 	add_menu_page( "Control Home","Control Home", "add_users", "control_home", "control_home", "", 6 );
// }
//
// function control_home(){
//
// 	global $wpdb;
// 	$querystr = "
// 				SELECT wposts.post_name,wposts.ID, users.user_login, m1.meta_value as inicio, m2.meta_value as orden
// 				FROM $wpdb->posts wposts
// 				INNER JOIN $wpdb->postmeta m1 ON wposts.ID = m1.post_id
// 				INNER JOIN $wpdb->postmeta m2 ON wposts.ID = m2.post_id
// 				INNER JOIN $wpdb->users users ON wposts.post_author = users.ID
// 				WHERE (wposts.post_type = 'post' OR wposts.post_type = 'page')
// 				AND m1.meta_key = 'Inici'
// 				AND m1.meta_value = '1'
// 				AND m2.meta_key = 'Ordre_inici'
// 				GROUP BY ID
// 				ORDER BY inicio DESC, CAST(orden AS SIGNED) ASC
// 			 ";
//
// 	echo' <div id="wpbody-content">
// 			<div class="wrap"><h2>Control Home</h2><br/></div>';
//
// 	$pageposts = $wpdb->get_results($querystr, OBJECT);
// 	if ($pageposts):
// 		global $post;
//
//
// 		echo "<table class=\"wp-list-table widefat fixed posts\" cellspacing=\"0\">
// 			<thead>
// 			<tr>
// 				<th scope='col' width='150' class='manage-column column-slug sortable desc'>Nombre Post</th>
// 				<th scope='col' class='manage-column column-slug sortable desc'>Id</th>
// 				<th scope='col' class='manage-column column-slug sortable desc'>Autor Post</th>
// 				<th scope='col' class='manage-column column-slug sortable desc'>Inicio</th>
// 				<th scope='col' class='manage-column column-slug sortable desc'>Orden</th>
// 			</tr>
// 			</thead>
// 			<tbody id=\"the-list\">";
//
// 		foreach ($pageposts as $post):
// 			$nom = $post->post_name;
// 			$id = $post->ID;
// 			$autor = $post->user_login;
// 			$inici = $post->inicio;
// 			$ordre = $post->orden;
// 			echo "<tr>
// 					<td><a href='post.php?post=$id&action=edit' class=\"row-tittle\">$nom</a></td>
// 					<td>$id</td>
// 					<td>$autor</td>
// 					<td>$inici</td>
// 					<td>$ordre</td>
// 					</tr>";
// 		endforeach;
// 		echo "</tbody></table></div>";
// 	endif;
//
// }
//
// add_action("admin_menu","menu_control_home");

// Filtre que modifica la funcio que mostra els menús, per poder seleccionar mitjançant el camp title, quines seràn links i quines no.
// title= no_link -> no es un link
// title != no_link -> es un link

// wp_includes -> nav-menu-template.php, es on es trova la clase que s'esta modificant

class my_Walker_Nav_Menu extends Walker_Nav_Menu {

	 /**
	 * @see Walker::start_el()
	 * @since 3.0.0
	 *
	 * @param string $output Passed by reference. Used to append additional content.
	 * @param object $item Menu item data object.
	 * @param int $depth Depth of menu item. Used for padding.
	 * @param int $current_page Menu item ID.
	 * @param object $args
	 */

	function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0)
	{
		global $wp_query;
		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

		$class_names = $value = '';

		$classes = empty( $item->classes ) ? array() : (array) $item->classes;
		$classes[] = 'menu-item-' . $item->ID;

		$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
		$class_names = ' class="' . esc_attr( $class_names ) . '"';

		$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args );
		$id = strlen( $id ) ? ' id="' . esc_attr( $id ) . '"' : '';

		$output .= $indent . '<li' . $id . $value . $class_names .'>';

		if(! empty( $item->attr_title ) && ($item->attr_title == 'no_link'))
		{
			$attributes  = '';
		}
		else
		{
			$attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : '';
			$attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : '';
			$attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) .'"' : '';
			$attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) .'"' : '';
		}

		$item_output = $args->before;
		$item_output .= '<a'. $attributes .'>';
		$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
		$item_output .= '</a>';
		$item_output .= $args->after;

		$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );

	}
}
?>
<?php
/*
 * all the_excerpt() and short content to be shown in the theme
*/

// per imprimir el content sense que ens tregui l'html
// https://www.wordpressaddicted.com/wordpress-get-content-with-formatting/
// function get_the_content_with_formatting ($more_link_text = '(...)', $stripteaser = 0, $more_file = '') {
// 	$content = get_the_content($more_link_text, $stripteaser, $more_file);
// 	$content = apply_filters('the_content', $content);
// 	$content = str_replace(']]>', ']]&gt;', $content);
// 	// output max 400 characters
// 	$content = substr($content, 0,200);
// 	return $content;
// }

//
// formatting the_excertp()
//
function hangar_excerpt_length($length) {
	return 20;
}
add_filter('excerpt_length', 'hangar_excerpt_length');
//
function hangar_excerpt_more($more) {
       global $post;
	return '<a href="'. get_permalink($post->ID) . '"> [...]</a>';
}
add_filter('excerpt_more', 'hangar_excerpt_more');
//
// https://wordpress.stackexchange.com/a/112651
function hangar_html_excerpt($text) {
    global $post;
    if ( '' == $text ) {
        $text = get_the_content('');
        $text = apply_filters('the_content', $text);
        $text = str_replace('\]\]\>', ']]&gt;', $text);
        $text = strip_tags($text, '<p><b><em>'); //write tags allowed removed img so the_post_thumbnail() is shown
        $excerpt_length = 55;
        $words = explode(' ', $text, $excerpt_length + 1);
        if (count($words)> $excerpt_length) {
            array_pop($words);
            array_push($words, '[...]');
            $text = implode(' ', $words);
        }
    }
    return $text;
}
remove_filter('get_the_excerpt', 'wp_trim_excerpt');
add_filter('get_the_excerpt', 'hangar_html_excerpt');

/* Code that preserves HTML formating to the automatically generated Excerpt. */
/* Also modifies the default excerpt_length and excerpt_more filters. */

// https://stackoverflow.com/questions/15283948/wordpress-html-tags-strip-on-manual-excerpt
function hangar_trim_excerpt($text='') {
$raw_excerpt = $text;
if ( '' == $text ) {
    //Retrieve the post content.
    $text = get_the_content('');

    //Delete all shortcode tags from the content.
    $text = strip_shortcodes( $text );

    $text = apply_filters('the_content', $text);
    $text = str_replace(']]>', ']]&gt;', $text);

    $allowed_tags = '<strong>,<em>,<b>,<i>,<p>,<a>'; /*** MODIFY THIS. Add the allowed HTML tags separated by a comma.***/
    $twopart_tags = '<strong>,<em>,<b>,<i>,<p>,<a>'; /*** MODIFY THIS. Add the twopart HTML tags separated by a comma.***/
    /* turn tag list into one big search pattern */
    $search_patterns = "/" . str_replace(",","|",str_replace(">", "[^>]*>",$twopart_tags)) . '/';

    $text = strip_tags($text, $allowed_tags);

    $excerpt_word_count = 20; /*** MODIFY THIS. change the excerpt word count to any integer you like.***/
    $excerpt_length = apply_filters('excerpt_length', $excerpt_word_count);

    $excerpt_end = '<a href="'. get_permalink($post->ID) . '"> [...]</a>'; /*** MODIFY THIS. change the excerpt endind to something else.***/
    $excerpt_more = apply_filters('excerpt_more', ' ' . $excerpt_end);

    $words = preg_split("/[\n\r\t ]+/", $text, $excerpt_length + 1, PREG_SPLIT_NO_EMPTY);
    if ( count($words) > $excerpt_length ) {
        array_pop($words);
        $text = implode(' ', $words);
        $text = $text . $excerpt_more;
    } else {
        $text = implode(' ', $words);
    };


    /* if fragment ends in open tag, trim off */
    preg_replace ("/<[^>]*$/", "", $text);

    /* search for tags in excerpt */
    preg_match_all ($search_patterns, $text, $matches);
    /* if any tags found, check for matching pairs */
    $tagstack = array ("");
    $tagsfound = $matches[0];
    while ( count ($tagsfound) > 0) {
        $tagmatch = array_shift($tagsfound);
    /* if it's a closing tag, hooray; but if it's not, then look for the closer */
        if ( !strpos($tagmatch,"</") && !strpos ($tagmatch,"/>") ) {
      preg_match("/\pL+/",$tagmatch, $tagwords);
          $endtag = "</" . $tagwords[0] . ">";
          /* if this tag was not closed, put the closing tag on the stack */
          if (!in_array($endtag, $tagsfound) ) {
        array_push($tagstack,$endtag);
          };
        };
    };

    /* if any unbalanced tags were found, add the closing tags */
    while (count ($tagstack) > 1) {
    $text = $text . array_pop($tagstack);
    }
}
return apply_filters('wp_trim_excerpt', $text, $raw_excerpt);
}
remove_filter('get_the_excerpt', 'wp_trim_excerpt');
add_filter('get_the_excerpt', 'hangar_trim_excerpt');
?>