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eduinaf/incl/grid.php

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<?php
# guide utilizzate: https://www.zenwebthemes.com/blog/create-grid-layout-wordpress-flexbox/
# https://wordpress.stackexchange.com/questions/269671/wp-query-by-keyword-or-post-tag
# inclusione di grid.css
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# function edu_inaf_to_the_head () {
# wp_register_style( 'grid', plugins_url( 'eduinaf/incl/grid.css' ) );
# wp_enqueue_style( 'grid' );
# }
#
#add_action( 'wp_enqueue_scripts', 'edu_inaf_to_the_head' );
# griglia per loop generico per categoria ed etichetta
add_shortcode ( 'grigliaeduinaf', 'grigliaeduinaf');
function grigliaeduinaf ($atts) {
extract(
shortcode_atts(
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array(
'categoria' => 'null',
'etichetta' => 'null',
),
$atts
)
);
if ( $categoria <> 'null' ) {
if ( $etichetta <> 'null' ) {
$q = new WP_Query( array( 'category_name' => $categoria, 'tag' => $etichetta, 'posts_per_page'=>-1 ) );
}
else {
$q = new WP_Query( array( 'category_name' => $categoria, 'posts_per_page'=>-1 ) );
}
}
else {
if ( $etichetta <> 'null' ) {
$q = new WP_Query( array( 'tag' => $etichetta, 'posts_per_page'=>-1 ) );
}
else { $q = new WP_Query( array( 'categoria' => 'beta', 'posts_per_page'=>0 ) );}
}
$grid = '<ul class="grid-wrap">';
if ( $q->have_posts() ) {
while ( $q->have_posts() ) {
$q->the_post();
$thumb = get_the_post_thumbnail($post->ID, 'thumbnail');
$grid = $grid.'<li class="grid-item"><span class="grid-border"><a href="'.get_the_permalink().'">'.$thumb.'</a><h4>'.get_the_title().'</h4></span></li>';
}
$grid = $grid.'</ul>';
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# ripristino ricerca
wp_reset_postdata();
} else {
$grid = '<p><strong>Nessun articolo trovato</strong></p>';
}
return $grid;
}
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# griglia per loop generico per categoria, etichetta, tassonomia e suo valore
add_shortcode ( 'grigliata', 'grigliata');
function grigliata ($atts) {
extract(
shortcode_atts(
array(
'categoria' => 'null',
'etichetta' => 'null',
'tassonomia' => 'null',
'valore' => 'null',
),
$atts
)
);
if ( $categoria <> 'null' ) {
if ( $etichetta <> 'null' ) {
if ( $tassonomia <> 'null' ) {
if ( $valore <> 'null' ) {
$qtax = new WP_Query ( array( 'category_name' => $categoria, 'tag' => $etichetta, 'taxonomy' => $tassonomia, 'term' => $valore, 'posts_per_page'=>-1 ) );
} else {
$qtax = new WP_Query ( array( 'category_name' => $categoria, 'tag' => $etichetta, 'taxonomy' => $tassonomia, 'posts_per_page'=>-1 ) );
}
} else {
$qtax = new WP_Query ( array( 'category_name' => $categoria, 'tag' => $etichetta, 'posts_per_page'=>-1 ) );
}
} else {
if ( $tassonomia <> 'null' ) {
if ( $valore <> 'null' ) {
$qtax = new WP_Query ( array( 'category_name' => $categoria, 'taxonomy' => $tassonomia, 'term' => $valore, 'posts_per_page'=>-1 ) );
} else {
$qtax = new WP_Query ( array( 'category_name' => $categoria, 'taxonomy' => $tassonomia, 'posts_per_page'=>-1 ) );
}
} else {
$qtax = new WP_Query ( array( 'category_name' => $categoria, 'posts_per_page'=>-1 ) );
}
}
} else {
if ( $etichetta <> 'null' ) {
if ( $tassonomia <> 'null' ) {
if ( $valore <> 'null' ) {
$qtax = new WP_Query ( array( 'tag' => $etichetta, 'taxonomy' => $tassonomia, 'term' => $valore, 'posts_per_page'=>-1 ) );
} else {
$qtax = new WP_Query ( array( 'tag' => $etichetta, 'taxonomy' => $tassonomia, 'posts_per_page'=>-1 ) );
}
} else {
$qtax = new WP_Query ( array( 'tag' => $etichetta, 'posts_per_page'=>-1 ) );
}
} else {
if ( $tassonomia <> 'null' ) {
if ( $valore <> 'null' ) {
$qtax = new WP_Query ( array( 'taxonomy' => $tassonomia, 'term' => $valore, 'posts_per_page'=>-1 ) );
} else {
$qtax = new WP_Query ( array( 'taxonomy' => $tassonomia, 'posts_per_page'=>-1 ) );
}
}
}
}
$grid = '<ul class="grid-wrap">';
if ( $qtax->have_posts() ) {
while ( $qtax->have_posts() ) {
$qtax->the_post();
$thumb = get_the_post_thumbnail($post->ID, 'thumbnail');
$grid = $grid.'<li class="grid-item"><span class="grid-border"><a href="'.get_the_permalink().'">'.$thumb.'</a><h4>'.get_the_title().'</h4></span></li>';
}
$grid = $grid.'</ul>';
# ripristino ricerca
wp_reset_postdata();
} else {
$grid = '<p><strong>Nessun articolo trovato</strong></p>';
}
return $grid;
}
# creazione della griglia per il loop dei libri: pesca il campo del titolo del libro
add_shortcode( 'griglialibri', 'griglialibri' );
function griglialibri ($atts) {
global $post; #https://wordpress.stackexchange.com/questions/43315/use-a-shortcode-to-display-custom-meta-box-contents
extract(
shortcode_atts(
array(
'etichetta' => 'libri-per-bambini-e-ragazzi',
),
$atts
)
);
$q = new WP_Query( array( 'category_name' => 'libri', 'tag' => $etichetta, 'posts_per_page'=>-1 ) );
$grid = '<ul class="grid-wrap">';
if ( $q->have_posts() ) {
while ( $q->have_posts() ) {
$q->the_post();
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# recupero dei valori dei campi personalizzati definiti in metabox.php
# guida: https://wordpress.stackexchange.com/questions/13074/pull-custom-fields-from-custom-posts-within-a-loop
$customtitlevalue = get_post_meta($post->ID, "meta-titolo", true);
$thumb = get_the_post_thumbnail($post->ID, 'thumbnail');
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# ciclo if che sostituisce, se presente, il titolo del post con il titolo del libro
if ( $customtitlevalue <> 'null') {
$titolo = $customtitlevalue;
}
else
{
$titolo = get_the_title();
}
$grid = $grid.'<li class="grid-item"><a href="'.get_the_permalink().'">'.$thumb.'</a><h4>'.$titolo.'</h4></li>';
}
$grid = $grid.'</ul>';
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# ripristino ricerca
wp_reset_postdata();
} else {
$grid = '<p><strong>Nessun articolo trovato</strong></p>';
}
return $grid;
}