/**
* Outputs HTML select menu of all registered styles.
*
* @since 0.1.0
* @uses postscript_style_handles() Array of registered style handles
*/
function postscript_add_style_callback()
{
// Array of alphabetized, front-end registered script handles.
$style_handles = postscript_style_handles();
// Output HTML select menu of (sorted) handles.
?>
<select id="postscript-add-style" name="postscript[add_style]">
<option value=''><?php
_e('Select style to add:', 'postscript');
?>
</option>
<?php
foreach ($style_handles as $style_handle) {
$handle = esc_attr($style_handle);
echo "<option value=\"{$handle}\">{$handle}</option>";
}
?>
</select>
<?php
// Get user-selected style handles (stored as tax terms).
$args = array('hide_empty' => false, 'fields' => 'all');
$styles_added = get_terms('poststyles', $args);
// Display table of selected handles (with $wp_styles data and term's post count).
?>
<table class="wp-list-table widefat striped">
<caption><strong><?php
_e('Styles added', 'postscript');
?>
</strong></caption>
<thead>
<tr>
<th scope="col" class="th-full" style="padding: 0.5em;"><?php
_e('Handle', 'postscript');
?>
</th>
<th scope="col" class="th-full" style="padding: 0.5em;"><?php
_e('Ver', 'postscript');
?>
</th>
<th scope="col" class="th-full" style="padding: 0.5em;"><?php
_e('Deps', 'postscript');
?>
</th>
<th scope="col" class="th-full" style="padding: 0.5em;"><?php
_e('Media', 'postscript');
?>
</th>
<th scope="col" class="th-full" style="padding: 0.5em;"><?php
_e('Posts', 'postscript');
?>
</th>
</tr>
</thead>
<tbody>
<?php
// Array of registered styles' data (the transient holds front-end $wp_styles).
$postscript_styles_reg = get_transient('postscript_styles_reg');
if (!empty($styles_added)) {
foreach ($styles_added as $style_obj) {
if (in_array($style_obj->name, $style_handles)) {
$style_name = esc_html($style_obj->name);
$style_arr = $postscript_styles_reg[$style_name];
// Comma-separated list of style dependencies.
$deps = implode(',', $style_arr->deps);
// Does script load in footer?
$footer = isset($script_arr->extra['group']) ? $script_arr->extra['group'] : '';
// Make relative URLs full (for core registered scripts in '/wp-admin' or '/wp-includes').
$src = $style_arr->src ? postscript_core_full_urls($style_arr->src) : '';
// Add link to handle name, if registered source file.
$handle = $src ? "<a href=\"{$src}\">" . $style_name . '</a>' : $style_name;
// Tax term post count, linked to list of posts (if count>0).
$count = $style_obj->count;
if ($count) {
$posts_count_url = admin_url() . "edit.php?poststyles={$style_name}\"";
$posts_count = '<a href="' . esc_url($posts_count_url) . "\">{$count}</a>";
} else {
$posts_count = $count;
}
// For wp_kses() sanitization of HTML.
$allowed_html = array('a' => array('href' => array()));
$allowed_protocols = array('http', 'https');
?>
<tr>
<th scope="row" class="th-full" style="padding: 0.5em;">
<label><?php
echo wp_kses($handle, $allowed_html, $allowed_protocols);
?>
</label>
</th>
<td><?php
echo esc_html($style_arr->ver);
?>
</td>
<td><?php
echo esc_html($deps);
?>
</td>
<td><?php
echo esc_html($footer);
?>
</td>
<td><?php
echo wp_kses($posts_count, $allowed_html, $allowed_protocols);
?>
</td>
</tr>
<?php
}
// if
}
// foreach
} else {
?>
<tr><td><p><?php
_e('You have not added any styles yet.', 'postscript');
?>
</p></td></tr>
<?php
}
?>
</tbody>
</table>
<?php
}
/**
* Allows only registered handles as custom tax terms.
*
* Late priority number to ensure font-end script handles are loaded.
*
* @uses postscript_script_handles() Returns array of registered scripts.
* @uses postscript_style_handles() Returns array of registered styles.
* @return string $term Submitted taxonomy term (or WP_Error admin-notice).
*/
function postscript_check_tax_term($term, $taxonomy)
{
if ($taxonomy == 'postscripts') {
$script_handles = postscript_script_handles();
if (in_array($term, $script_handles)) {
return $term;
} else {
return new WP_Error('invalid_term', __('The script handle you entered is <strong>not</strong> <a href="https://developer.wordpress.org/reference/functions/wp_register_script/">registered</a>.'));
}
}
if ($taxonomy == 'poststyles') {
$style_handles = postscript_style_handles();
if (in_array($term, $style_handles)) {
return $term;
} else {
return new WP_Error('invalid_term', __('The style handle you entered is <strong>not</strong> <a href="https://developer.wordpress.org/reference/functions/wp_register_style/">registered</a>.'));
}
}
return $term;
}
