function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0)
{
$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 = $class_names ? ' class="' . esc_attr($class_names) . '"' : '';
$id = apply_filters('nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args);
$id = $id ? ' id="' . esc_attr($id) . '"' : '';
$output .= $indent . '<li' . $id . $value . $class_names . '>';
$atts = array();
$atts['title'] = !empty($item->attr_title) ? $item->attr_title : '';
$atts['target'] = !empty($item->target) ? $item->target : '';
$atts['rel'] = !empty($item->xfn) ? $item->xfn : '';
$atts['href'] = !empty($item->url) ? $item->url : '';
$atts = apply_filters('nav_menu_link_attributes', $atts, $item, $args);
$attributes = '';
foreach ($atts as $attr => $value) {
if (!empty($value)) {
$value = 'href' === $attr ? esc_url($value) : esc_attr($value);
$attributes .= ' ' . $attr . '="' . $value . '"';
}
}
$icon_args = array();
$icon_args['icon_name'] = $item->icon_name;
$icon_args['icon_set'] = $item->icon_set;
$icon_args['icon_transform'] = $item->icon_transform;
$icon_args['icon_size'] = $item->icon_size;
$icon_args['icon_align'] = $item->icon_align;
$icon_args['icon_custom_classes'] = $item->icon_custom_classes;
$icon_args['icon_color'] = $item->icon_color;
$icon_args['icon_position'] = $item->icon_position;
// If hover effect selected, add "iconized-hover-trigger" class to link
$plugin_instance = Iconize_WP::get_instance();
$hovers = $plugin_instance->get_iconize_dialog_dropdown_options_for('hover');
$hovers = array_keys($hovers);
$link_class = '';
if (!empty($icon_args['icon_transform']) && in_array($icon_args['icon_transform'], $hovers)) {
$link_class = ' class="iconized-hover-trigger"';
}
$icon = iconize_get_icon($icon_args, 'menu_item');
if ('after' === $icon_args['icon_position']) {
$title = apply_filters('the_title', $item->title, $item->ID) . $icon;
} else {
$title = $icon . apply_filters('the_title', $item->title, $item->ID);
}
$item_output = $args->before;
$item_output .= '<a' . $attributes . $link_class . '>';
$item_output .= $args->link_before . $title . $args->link_after;
$item_output .= '</a>';
$item_output .= $args->after;
$output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
}
/**
* Start the element output.
*
* @see Walker::start_el()
*
* @since 1.1.0
*
* @uses iconize_get_term_icon_by()
* @uses iconize_get_icon()
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $category Category data object.
* @param int $depth Depth of category in reference to parents. Default 0.
* @param array $args An array of arguments. @see wp_list_categories()
* @param int $id ID of the current category.
*/
function start_el(&$output, $category, $depth = 0, $args = array(), $id = 0)
{
extract($args);
// Retrive an array of settings for term icon configured in term edit screen if there is icon.
$icon = iconize_get_term_icon_by('id', $category->term_id, $category->taxonomy);
$term_icon_args = array();
if (!empty($icon)) {
$term_icon_args = iconize_get_term_icon_by('id', $category->term_id, $category->taxonomy, 'array');
}
// Validate custom settings passed with 'iconize' arg to wp_list_categories().
$hover_effect = isset($iconized['hover_effect']) ? (string) $iconized['hover_effect'] : 'default';
$color = isset($iconized['color']) ? (string) $iconized['color'] : 'default';
$hover_effect_trigger = isset($iconized['hover_effect_trigger']) ? (string) $iconized['hover_effect_trigger'] : 'link';
$hover_color_change = isset($iconized['hover_color_change']) ? (bool) $iconized['hover_color_change'] : false;
$fallback_icon_args = isset($iconized['fallback_icon']) ? (array) $iconized['fallback_icon'] : array();
$override_icons = isset($iconized['override_icons']) ? (bool) $iconized['override_icons'] : false;
$style = isset($iconized['style']) ? (string) $iconized['style'] : 'default';
$after_icon = isset($iconized['after_icon']) ? (string) $iconized['after_icon'] : ' ';
// Determine which icon to display.
if (true === $override_icons) {
$icon_args = $fallback_icon_args;
} else {
$icon_args = $term_icon_args;
if (empty($icon_args) && !empty($fallback_icon_args)) {
$icon_args = $fallback_icon_args;
}
}
// Modify icon args if needed.
if (!empty($icon_args)) {
if ('iconize' === $style) {
$icon_args['icon_custom_classes'] .= !empty($icon_args['icon_custom_classes']) ? ',iconized-li' : 'iconized-li';
}
if (true === $hover_color_change && false === strpos($icon_args['icon_custom_classes'], 'hover-color-change')) {
$icon_args['icon_custom_classes'] .= !empty($icon_args['icon_custom_classes']) ? ',hover-color-change' : 'hover-color-change';
}
// Override effect and color if needed
if ('default' !== $hover_effect) {
$icon_args['icon_transform'] = $hover_effect;
}
if ('default' !== $color) {
$icon_args['icon_color'] = $color;
}
}
// Generate icon html.
$icon_html = iconize_get_icon($icon_args, $category->taxonomy, $after_icon);
// Generate iconized link.
$cat_name = esc_attr($category->name);
$cat_name = apply_filters('list_cats', $cat_name, $category);
$link = '<a href="' . esc_url(get_term_link($category)) . '" ';
if (0 == $use_desc_for_title || empty($category->description)) {
$link .= 'title="' . esc_attr(sprintf(__('View all posts filed under %s', 'iconize'), $cat_name)) . '"';
} else {
$link .= 'title="' . esc_attr(strip_tags(apply_filters('category_description', $category->description, $category))) . '"';
}
// Add hover effect class to link if needed.
if ('link' === $hover_effect_trigger && !empty($icon_html) && !empty($icon_args['icon_transform']) && !empty($hover_effect)) {
$link .= ' class="iconized-hover-trigger"';
}
$link .= '>';
$link .= $icon_html;
$link .= $cat_name . '</a>';
// The rest
if (!empty($feed_image) || !empty($feed)) {
$link .= ' ';
if (empty($feed_image)) {
$link .= '(';
}
$link .= '<a href="' . esc_url(get_term_feed_link($category->term_id, $category->taxonomy, $feed_type)) . '"';
if (empty($feed)) {
$alt = ' alt="' . sprintf(__('Feed for all posts filed under %s', 'iconize'), $cat_name) . '"';
} else {
$title = ' title="' . $feed . '"';
$alt = ' alt="' . $feed . '"';
$name = $feed;
$link .= $title;
}
$link .= '>';
if (empty($feed_image)) {
$link .= $name;
} else {
$link .= "<img src='{$feed_image}'{$alt}{$title}" . ' />';
}
$link .= '</a>';
if (empty($feed_image)) {
$link .= ')';
}
}
if (!empty($show_count)) {
$link .= ' (' . intval($category->count) . ')';
}
if ('list' === $args['style']) {
$output .= "\t<li";
$class = 'cat-item cat-item-' . $category->term_id;
if (!empty($current_category)) {
$_current_category = get_term($current_category, $category->taxonomy);
if ($category->term_id == $current_category) {
$class .= ' current-cat';
} elseif ($category->term_id == $_current_category->parent) {
$class .= ' current-cat-parent';
}
}
$output .= ' class="' . $class . '"';
$output .= ">{$link}\n";
} else {
$output .= "\t{$link}<br />\n";
}
}
/**
* Generate iconized tag cloud
*
* Attached to "wp_generate_tag_cloud" filter, extends default wp_generate_tag_cloud() function.
*
* @since 1.1.0
*
* @uses Iconize_WP::get_iconize_support_for()
* @uses Iconize_WP::iconize_get_term_icon_by()
* @uses Iconize_WP::iconize_get_icon()
*/
public function iconize_wp_generate_tag_cloud($return, $tags, $args)
{
// Modify default functionality
$defaults = array('smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 0, 'format' => 'flat', 'separator' => "\n", 'orderby' => 'name', 'order' => 'ASC', 'topic_count_text' => null, 'topic_count_text_callback' => null, 'topic_count_scale_callback' => 'default_topic_count_scale', 'filter' => 1);
// Insert "iconized" arg to defaults
if (!isset($defaults['iconized'])) {
/**
* Let users decide wheather to display iconized tag cloud or default one on each wp_tag_cloud() usage.
* Iconized tag cloud disabled by default
*/
$iconized_defaults = array();
// If in admin area, display icons - better for end user
if (is_admin()) {
$iconized_defaults = array('hover_effect' => 'default', 'color' => 'default', 'hover_effect_trigger' => 'link', 'hover_color_change' => false, 'fallback_icon' => array(), 'override_icons' => false, 'style' => 'default', 'after_icon' => ' ');
}
/**
* Apply "iconize_tag_cloud_defaults" filter to allow users to change default value of "iconized" parameter.
*/
$defaults['iconized'] = apply_filters('iconized_tag_cloud_defaults', $iconized_defaults, $args);
}
$args = wp_parse_args($args, $defaults);
// Check if iconize is enabled on this taxonomy
if (isset($args['taxonomy'])) {
$tax_support = $this->get_iconize_support_for('taxonomy_' . $args['taxonomy']);
$tax_icons_enabled = $tax_support['enabled'];
} else {
$tax_icons_enabled = false;
}
// Return output if no iconized arg or iconize is disabled
if (false === (bool) $args['iconized'] || !$tax_icons_enabled) {
return $return;
}
// Continue with default logic
extract($args, EXTR_SKIP);
$return = 'array' === $format ? array() : '';
if (empty($tags)) {
return $return;
}
// Juggle topic count tooltips:
if (isset($args['topic_count_text'])) {
// First look for nooped plural support via topic_count_text.
$translate_nooped_plural = $args['topic_count_text'];
} elseif (!empty($args['topic_count_text_callback'])) {
// Look for the alternative callback style. Ignore the previous default.
if ($args['topic_count_text_callback'] === 'default_topic_count_text') {
$translate_nooped_plural = _n_noop('%s topic', '%s topics');
} else {
$translate_nooped_plural = false;
}
} elseif (isset($args['single_text']) && isset($args['multiple_text'])) {
// If no callback exists, look for the old-style single_text and multiple_text arguments.
$translate_nooped_plural = _n_noop($args['single_text'], $args['multiple_text']);
} else {
// This is the default for when no callback, plural, or argument is passed in.
$translate_nooped_plural = _n_noop('%s topic', '%s topics');
}
$tags_sorted = apply_filters('tag_cloud_sort', $tags, $args);
if (empty($tags_sorted)) {
return $return;
}
if ($tags_sorted !== $tags) {
$tags = $tags_sorted;
unset($tags_sorted);
} else {
if ('RAND' === $order) {
shuffle($tags);
} else {
// SQL cannot save you; this is a second (potentially different) sort on a subset of data.
if ('name' === $orderby) {
uasort($tags, '_wp_object_name_sort_cb');
} else {
uasort($tags, '_wp_object_count_sort_cb');
}
if ('DESC' === $order) {
$tags = array_reverse($tags, true);
}
}
}
if ($number > 0) {
$tags = array_slice($tags, 0, $number);
}
$counts = array();
$real_counts = array();
// For the alt tag
foreach ((array) $tags as $key => $tag) {
$real_counts[$key] = $tag->count;
$counts[$key] = $topic_count_scale_callback($tag->count);
}
$min_count = min($counts);
$spread = max($counts) - $min_count;
if ($spread <= 0) {
$spread = 1;
}
$font_spread = $largest - $smallest;
if ($font_spread < 0) {
$font_spread = 1;
}
$font_step = $font_spread / $spread;
// Validate custom settings passed with 'iconize' arg to wp_tag_cloud().
$hover_effect = isset($iconized['hover_effect']) ? (string) $iconized['hover_effect'] : 'default';
$color = isset($iconized['color']) ? (string) $iconized['color'] : 'default';
$hover_effect_trigger = isset($iconized['hover_effect_trigger']) ? (string) $iconized['hover_effect_trigger'] : 'link';
$hover_color_change = isset($iconized['hover_color_change']) ? (bool) $iconized['hover_color_change'] : false;
$fallback_icon_args = isset($iconized['fallback_icon']) ? (array) $iconized['fallback_icon'] : array();
$override_icons = isset($iconized['override_icons']) ? (bool) $iconized['override_icons'] : false;
$style = isset($iconized['style']) ? (string) $iconized['style'] : 'default';
$after_icon = isset($iconized['after_icon']) ? (string) $iconized['after_icon'] : ' ';
$a = array();
foreach ($tags as $key => $tag) {
$count = $counts[$key];
$real_count = $real_counts[$key];
$tag_link = '#' != $tag->link ? esc_url($tag->link) : '#';
$tag_id = isset($tags[$key]->id) ? $tags[$key]->id : $key;
$tag_name = $tags[$key]->name;
if ($translate_nooped_plural) {
$title_attribute = sprintf(translate_nooped_plural($translate_nooped_plural, $real_count), number_format_i18n($real_count));
} else {
$title_attribute = call_user_func($topic_count_text_callback, $real_count, $tag, $args);
}
// Retrive an array of settings for term icon configured in term edit screen if there is an icon.
$icon = iconize_get_term_icon_by('name', $tag_name, $taxonomy);
$term_icon_args = array();
if (!empty($icon)) {
$term_icon_args = iconize_get_term_icon_by('name', $tag_name, $taxonomy, 'array');
}
// Determine which icon to display.
if (true === $override_icons) {
$icon_args = $fallback_icon_args;
} else {
$icon_args = $term_icon_args;
if (empty($icon_args) && !empty($fallback_icon_args)) {
$icon_args = $fallback_icon_args;
}
}
// Modify icon args if needed.
if (!empty($icon_args)) {
if (true === $hover_color_change && false === strpos($icon_args['icon_custom_classes'], 'hover-color-change')) {
$icon_args['icon_custom_classes'] .= !empty($icon_args['icon_custom_classes']) ? ',hover-color-change' : 'hover-color-change';
}
// Override effect and color if needed
if ('default' !== $hover_effect) {
$icon_args['icon_transform'] = $hover_effect;
}
if ('default' !== $color) {
$icon_args['icon_color'] = $color;
}
}
// Generate icon html.
$icon_html = iconize_get_icon($icon_args, $taxonomy, $after_icon);
// Add hover effect class to link if needed.
$het_link = '';
if ('link' === $hover_effect_trigger && !empty($icon_html) && !empty($icon_args['icon_transform']) && !empty($hover_effect)) {
$het_link = ' iconized-hover-trigger';
}
// Generate link.
$a[] = "<a href='{$tag_link}' class='{$style}-style iconized-tag-link{$het_link} tag-link-{$tag_id}' title='" . esc_attr($title_attribute) . "' style='font-size: " . str_replace(',', '.', $smallest + ($count - $min_count) * $font_step) . "{$unit};'>{$icon_html}{$tag_name}</a>";
}
switch ($format) {
case 'array':
$return =& $a;
break;
case 'list':
$return = "<ul class='wp-tag-cloud'>\n\t<li>";
$return .= join("</li>\n\t<li>", $a);
$return .= "</li>\n</ul>\n";
break;
default:
$return = join($separator, $a);
break;
}
return $return;
}
/**
* Function for retriving taxonomy icons configured using taxonomy edit screens
*
*
* @since 1.1.0
*
* @param string $field Either 'slug', 'name' or 'id' (term_id)
* @param string|int $value Search for this term value
* @param string $taxonomy Taxonomy Name
* @param boolean $format return html markup or array? Either 'html' or 'array'
* @param string $after_icon
*
* @return string $icon_html, array of settings or empty string on failure
*/
function iconize_get_term_icon_by($field = 'id', $value, $taxonomy, $format = 'html', $after_icon = ' ')
{
$fields = array('name', 'slug', 'id');
$after = !is_string($after_icon) ? ' ' : $after_icon;
$format = !is_string($format) ? 'html' : $format;
if (!taxonomy_exists($taxonomy) || !in_array($field, $fields)) {
return '';
}
// get term object
$term = get_term_by($field, $value, $taxonomy);
if (!$term || is_wp_error($term)) {
return '';
}
$term_id = $term->term_id;
$icon_args = array();
$icon_html = '';
$opt_array = get_option('iconize_taxonomy_icons');
if ($opt_array && array_key_exists($taxonomy, $opt_array) && array_key_exists($term_id, $opt_array[$taxonomy])) {
$icon_args['icon_name'] = isset($opt_array[$taxonomy][$term_id]['icon_name']) ? $opt_array[$taxonomy][$term_id]['icon_name'] : '';
$icon_args['icon_set'] = isset($opt_array[$taxonomy][$term_id]['icon_set']) ? $opt_array[$taxonomy][$term_id]['icon_set'] : '';
$icon_args['icon_transform'] = isset($opt_array[$taxonomy][$term_id]['icon_transform']) ? $opt_array[$taxonomy][$term_id]['icon_transform'] : '';
$icon_args['icon_size'] = isset($opt_array[$taxonomy][$term_id]['icon_size']) ? $opt_array[$taxonomy][$term_id]['icon_size'] : '';
$icon_args['icon_align'] = isset($opt_array[$taxonomy][$term_id]['icon_align']) ? $opt_array[$taxonomy][$term_id]['icon_align'] : '';
$icon_args['icon_custom_classes'] = isset($opt_array[$taxonomy][$term_id]['icon_custom_classes']) ? $opt_array[$taxonomy][$term_id]['icon_custom_classes'] : '';
$icon_args['icon_color'] = isset($opt_array[$taxonomy][$term_id]['icon_color']) ? $opt_array[$taxonomy][$term_id]['icon_color'] : '';
// Generate icon html
$icon_html = iconize_get_icon($icon_args, $taxonomy, $after);
}
if ('array' === $format) {
return $icon_args;
} else {
return $icon_html;
}
}