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<?php |
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|
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namespace ResponsiveMenu\Walkers; |
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use ResponsiveMenu\Collections\OptionsCollection; |
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|
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class Walker extends \Walker_Nav_Menu { |
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|
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private $current_item; |
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|
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public function __construct(OptionsCollection $options) { |
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$this->options = $options; |
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} |
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|
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public function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0) { |
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|
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$this->setCurrentItem($item); |
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|
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$classes = empty($item->classes) ? array() : (array) $item->classes; |
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$responsive_menu_classes = $classes; |
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|
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# Turn into our Responsive Menu Classes |
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foreach($classes as $class): |
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switch($class): |
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case 'menu-item': $responsive_menu_classes[] = 'responsive-menu-item'; break; |
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case 'current-menu-item': $responsive_menu_classes[] = 'responsive-menu-current-item'; break; |
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case 'menu-item-has-children': $responsive_menu_classes[] = 'responsive-menu-item-has-children'; break; |
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case 'current-menu-parent': $responsive_menu_classes[] = 'responsive-menu-item-current-parent'; break; |
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case 'current-menu-ancestor': $responsive_menu_classes[] = 'responsive-menu-item-current-ancestor'; break; |
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endswitch; |
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endforeach; |
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|
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/* Clear child class if we are at the final depth level */ |
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if(isset($responsive_menu_classes)): |
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if($depth + 1 == $this->options['menu_depth'] && ($key = array_search('responsive-menu-item-has-children', $responsive_menu_classes)) !== false) { |
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unset($responsive_menu_classes[$key]); |
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} |
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endif; |
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|
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$class_names = join(' ', array_unique($responsive_menu_classes)); |
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$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : ''; |
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|
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$id = ' id="responsive-menu-item-' . esc_attr( $item->ID ) . '"'; |
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|
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$output .= '<li' . $id . $class_names .'>'; |
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|
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$atts = array(); |
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$atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : ''; |
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$atts['target'] = ! empty( $item->target ) ? $item->target : ''; |
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$atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : ''; |
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$atts['href'] = ! empty( $item->url ) ? $item->url : ''; |
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$atts['class'] = 'responsive-menu-item-link'; |
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|
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$atts = apply_filters('nav_menu_link_attributes', $atts, $item, $args, $depth); |
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|
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$attributes = ''; |
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foreach ($atts as $attr => $value) { |
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if (!empty( $value)) { |
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$value = ('href' === $attr ) ? esc_url( $value) : esc_attr($value); |
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$attributes .= ' ' . $attr . '="' . $value . '"'; |
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} |
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} |
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|
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$title = apply_filters('the_title', $item->title, $item->ID); |
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$title = apply_filters('nav_menu_item_title', $title, $item, $args, $depth); |
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|
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/* Calculate which arrow to show */ |
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if(in_array('responsive-menu-item-has-children', $responsive_menu_classes)): |
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$inactive_arrow = '<div class="responsive-menu-subarrow">' . $this->options->getInActiveArrow() . '</div>'; |
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$active_arrow = '<div class="responsive-menu-subarrow responsive-menu-subarrow-active">' . $this->options->getActiveArrow() . '</div>'; |
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if($this->options['auto_expand_all_submenus'] == 'on'): |
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$initial_arrow = $active_arrow; |
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elseif( |
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$this->options['auto_expand_current_submenus'] == 'on' && (in_array('responsive-menu-item-current-parent', $responsive_menu_classes) |
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|| in_array('responsive-menu-item-current-ancestor', $responsive_menu_classes))): |
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$initial_arrow = $active_arrow; |
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else: |
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$initial_arrow = $inactive_arrow; |
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endif; |
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else: |
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$initial_arrow = ''; |
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endif; |
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|
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/* Clear Arrow if we are at the final depth level */ |
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if($depth + 1 == $this->options['menu_depth']) |
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$initial_arrow = ''; |
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|
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$item_output = '<a'. $attributes .'>'; |
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$item_output .= $title; |
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$item_output .= $initial_arrow; |
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|
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if(isset($item->description) && $item->description && $this->options['submenu_descriptions_on']) |
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$item_output .= '<span class="responsive-menu-item-description">' . $item->description . '</span>'; |
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|
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$item_output .= '</a>'; |
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|
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$output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args); |
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|
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} |
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|
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public function start_lvl(&$output, $depth = 0, $args = array()) { |
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$output .= "<ul class='responsive-menu-submenu responsive-menu-submenu-depth-" . ($depth + 1) . $this->getSubmenuClassOpenOrNot() . "'>"; |
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} |
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|
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public function end_el(&$output, $item, $depth = 0, $args = array()) { |
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$output .= "</li>"; |
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} |
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|
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public function end_lvl(&$output, $depth = 0, $args = array()) { |
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$output .= "</ul>"; |
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} |
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|
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public function setCurrentItem($item) { |
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$this->current_item = $item; |
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} |
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|
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public function getCurrentItem() { |
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return $this->current_item; |
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} |
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|
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public function getSubmenuClassOpenOrNot() { |
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return $this->expandAllSubmenuOptionsIsOn() || $this->expandCurrentSubmenuOnAndItemIsParent() ? ' responsive-menu-submenu-open' : ''; |
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} |
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|
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public function expandAllSubmenuOptionsIsOn() { |
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return $this->options['auto_expand_all_submenus'] == 'on'; |
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} |
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|
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public function expandCurrentSubmenuOnAndItemIsParent() { |
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return ($this->options['auto_expand_current_submenus'] == 'on') |
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&& ($this->getCurrentItem()->current_item_ancestor || $this->getCurrentItem()->current_item_parent); |
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} |
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|
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} |
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