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<?php |
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|
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/* |
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* displays languages in a dropdown list |
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* |
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* @since 1.2 |
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*/ |
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class PLL_Walker_Dropdown extends Walker { |
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var $db_fields = array ('parent' => 'parent', 'id' => 'id'); |
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|
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/* |
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* outputs one element |
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* |
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* @since 1.2 |
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* |
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* @see Walker::start_el |
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*/ |
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function start_el( &$output, $element, $depth = 0, $args = array(), $current_object_id = 0 ) { |
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$value = isset($args['value']) && $args['value'] ? $args['value'] : 'slug'; |
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$output .= sprintf( |
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"\t".'<option value="%s"%s>%s</option>'."\n", |
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esc_attr($element->$value), |
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isset($args['selected']) && $args['selected'] == $element->$value ? ' selected="selected"' : '', |
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esc_html($element->name) |
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); |
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} |
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|
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/* |
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* overrides Walker::display_element as expects an object with a parent property |
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* |
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* @since 1.2 |
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* |
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* @see Walker::display_element |
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*/ |
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function display_element( $element, &$children_elements, $max_depth, $depth = 0, $args, &$output ) { |
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$element = (object) $element; // make sure we have an object |
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$element->parent = $element->id = 0; // don't care about this |
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parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output ); |
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} |
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|
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/* |
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* starts teh output of the dropdown list |
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* |
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* @since 1.2 |
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* |
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* @param array $elements elements to display |
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* @param array $args |
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* @return string |
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*/ |
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function walk($elements, $args = array()) { |
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return sprintf( |
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'<select name="%1$s" id="%1$s"%2$s>' . "\n" . '%3$s' . "\n" . '</select>'."\n", |
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empty($args['name']) ? 'lang_choice' : esc_attr($args['name']), |
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empty($args['class']) ? '' : ' class="' . esc_attr($args['class']) . '"', |
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parent::walk($elements, -1, $args) |
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); |
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} |
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} |
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|
