th.column-thumb {width:60px;}
.form-field img.taxonomy-image {border:1px solid #eee;max-width:300px;max-height:300px;}
.inline-edit-row fieldset .thumb label span.title {width:48px;height:48px;border:1px solid #eee;display:inline-block;}
.column-thumb span {width:48px;height:48px;border:1px solid #eee;display:inline-block;}
.inline-edit-row fieldset .thumb img,.column-thumb img {width:48px;height:48px;}
';
}
// add image field in add form
function z_add_texonomy_field() {
if (get_bloginfo('version') >= 3.5)
wp_enqueue_media();
else {
wp_enqueue_style('thickbox');
wp_enqueue_script('thickbox');
}
echo '
'.z_script();
}
// add image field in edit form
function z_edit_texonomy_field($taxonomy) {
if (get_bloginfo('version') >= 3.5)
wp_enqueue_media();
else {
wp_enqueue_style('thickbox');
wp_enqueue_script('thickbox');
}
if (z_taxonomy_image_url( $taxonomy->term_id, NULL, TRUE ) == Z_IMAGE_PLACEHOLDER)
$image_url = "";
else
$image_url = z_taxonomy_image_url( $taxonomy->term_id, NULL, TRUE );
echo '
|
 . ')
|
'.z_script();
}
// upload using wordpress upload
function z_script() {
return '';
}
// save our taxonomy image while edit or save term
add_action('edit_term','z_save_taxonomy_image');
add_action('create_term','z_save_taxonomy_image');
function z_save_taxonomy_image($term_id) {
if(isset($_POST['taxonomy_image']))
update_option('z_taxonomy_image'.$term_id, $_POST['taxonomy_image'], NULL);
}
// get attachment ID by image url
function z_get_attachment_id_by_url($image_src) {
global $wpdb;
$query = $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE guid = %s", $image_src);
$id = $wpdb->get_var($query);
return (!empty($id)) ? $id : NULL;
}
// get taxonomy image url for the given term_id (Place holder image by default)
function z_taxonomy_image_url($term_id = NULL, $size = 'full', $return_placeholder = FALSE) {
if (!$term_id) {
if (is_category())
$term_id = get_query_var('cat');
elseif (is_tag())
$term_id = get_query_var('tag_id');
elseif (is_tax()) {
$current_term = get_term_by('slug', get_query_var('term'), get_query_var('taxonomy'));
$term_id = $current_term->term_id;
}
}
$taxonomy_image_url = get_option('z_taxonomy_image'.$term_id);
if(!empty($taxonomy_image_url)) {
$attachment_id = z_get_attachment_id_by_url($taxonomy_image_url);
if(!empty($attachment_id)) {
$taxonomy_image_url = wp_get_attachment_image_src($attachment_id, $size);
$taxonomy_image_url = $taxonomy_image_url[0];
}
}
if ($return_placeholder)
return ($taxonomy_image_url != '') ? $taxonomy_image_url : Z_IMAGE_PLACEHOLDER;
else
return $taxonomy_image_url;
}
function z_quick_edit_custom_box($column_name, $screen, $name) {
if ($column_name == 'thumb')
echo '';
}
/**
* Thumbnail column added to category admin.
*
* @access public
* @param mixed $columns
* @return void
*/
function z_taxonomy_columns( $columns ) {
$new_columns = array();
$new_columns['cb'] = $columns['cb'];
$new_columns['thumb'] = __('Image', 'categories-images');
unset( $columns['cb'] );
return array_merge( $new_columns, $columns );
}
/**
* Thumbnail column value added to category admin.
*
* @access public
* @param mixed $columns
* @param mixed $column
* @param mixed $id
* @return void
*/
function z_taxonomy_column( $columns, $column, $id ) {
if ( $column == 'thumb' )
$columns = ' . ')
';
return $columns;
}
// Change 'insert into post' to 'use this image'
function z_change_insert_button_text($safe_text, $text) {
return str_replace("Insert into Post", "Use this image", $text);
}
// Style the image in category list
if ( strpos( $_SERVER['SCRIPT_NAME'], 'edit-tags.php' ) > 0 ) {
add_action( 'admin_head', 'z_add_style' );
add_action('quick_edit_custom_box', 'z_quick_edit_custom_box', 10, 3);
add_filter("attribute_escape", "z_change_insert_button_text", 10, 2);
}
// New menu submenu for plugin options in Settings menu
add_action('admin_menu', 'z_options_menu');
function z_options_menu() {
add_options_page(__('Categories Images settings', 'categories-images'), __('Categories Images', 'categories-images'), 'manage_options', 'zci-options', 'zci_options');
add_action('admin_init', 'z_register_settings');
}
// Register plugin settings
function z_register_settings() {
register_setting('zci_options', 'zci_options', 'z_options_validate');
add_settings_section('zci_settings', __('Categories Images settings', 'categories-images'), 'z_section_text', 'zci-options');
add_settings_field('z_excluded_taxonomies', __('Excluded Taxonomies', 'categories-images'), 'z_excluded_taxonomies', 'zci-options', 'zci_settings');
}
// Settings section description
function z_section_text() {
echo ''.__('Please select the taxonomies you want to exclude it from Categories Images plugin', 'categories-images').'
';
}
// Excluded taxonomies checkboxs
function z_excluded_taxonomies() {
$options = get_option('zci_options');
$disabled_taxonomies = array('nav_menu', 'link_category', 'post_format');
foreach (get_taxonomies() as $tax) : if (in_array($tax, $disabled_taxonomies)) continue; ?>
/>
term_id;
}
}
$taxonomy_image_url = get_option('z_taxonomy_image'.$term_id);
if(!empty($taxonomy_image_url)) {
$attachment_id = z_get_attachment_id_by_url($taxonomy_image_url);
if(!empty($attachment_id))
$taxonomy_image = wp_get_attachment_image($attachment_id, $size, FALSE, $attr);
else {
$image_attr = '';
if(is_array($attr)) {
if(!empty($attr['class']))
$image_attr .= ' class="'.$attr['class'].'" ';
if(!empty($attr['alt']))
$image_attr .= ' alt="'.$attr['alt'].'" ';
if(!empty($attr['width']))
$image_attr .= ' width="'.$attr['width'].'" ';
if(!empty($attr['height']))
$image_attr .= ' height="'.$attr['height'].'" ';
if(!empty($attr['title']))
$image_attr .= ' title="'.$attr['title'].'" ';
}
$taxonomy_image = '
';
}
}
else{
$taxonomy_image = '';
}
if ($echo)
echo $taxonomy_image;
else
return $taxonomy_image;
}