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<?php |
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|
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/** |
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* Class PW_CMB2_Field_Select2 |
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*/ |
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if (!class_exists('PW_CMB2_Field_Select2')) { |
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class PW_CMB2_Field_Select2 |
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{ |
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|
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/** |
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* Current version number |
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*/ |
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const VERSION = '3.0.3'; |
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|
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/** |
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* Initialize the plugin by hooking into CMB2 |
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*/ |
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public function __construct() |
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{ |
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add_filter('cmb2_render_pw_select', array($this, 'render_pw_select'), 10, 5); |
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add_filter('cmb2_render_pw_multiselect', array($this, 'render_pw_multiselect'), 10, 5); |
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add_filter('cmb2_sanitize_pw_multiselect', array($this, 'pw_multiselect_sanitize'), 10, 4); |
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add_filter('cmb2_types_esc_pw_multiselect', array($this, 'pw_multiselect_escaped_value'), 10, 3); |
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add_filter('cmb2_repeat_table_row_types', array($this, 'pw_multiselect_table_row_class'), 10, 1); |
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} |
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|
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/** |
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* Render select box field |
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*/ |
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public function render_pw_select($field, $field_escaped_value, $field_object_id, $field_object_type, $field_type_object) |
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{ |
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$this->setup_admin_scripts(); |
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|
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if (version_compare(CMB2_VERSION, '2.2.2', '>=')) { |
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$field_type_object->type = new CMB2_Type_Select($field_type_object); |
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} |
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|
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echo $field_type_object->select(array( |
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'class' => 'pw_select2 pw_select', |
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'desc' => $field_type_object->_desc(true), |
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'options' => '<option></option>' . $field_type_object->concat_items(), |
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'data-placeholder' => $field->args('attributes', 'placeholder') ? $field->args('attributes', 'placeholder') : $field->args('description'), |
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)); |
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} |
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|
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/** |
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* Render multi-value select input field |
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*/ |
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public function render_pw_multiselect($field, $field_escaped_value, $field_object_id, $field_object_type, $field_type_object) |
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{ |
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$this->setup_admin_scripts(); |
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|
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if (version_compare(CMB2_VERSION, '2.2.2', '>=')) { |
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$field_type_object->type = new CMB2_Type_Select($field_type_object); |
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} |
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|
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$a = $field_type_object->parse_args('pw_multiselect', array( |
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'multiple' => 'multiple', |
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'style' => 'width: 99%', |
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'class' => 'pw_select2 pw_multiselect', |
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'name' => $field_type_object->_name() . '[]', |
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'id' => $field_type_object->_id(), |
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'desc' => $field_type_object->_desc(true), |
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'options' => $this->get_pw_multiselect_options($field_escaped_value, $field_type_object), |
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'data-placeholder' => $field->args('attributes', 'placeholder') ? $field->args('attributes', 'placeholder') : $field->args('description'), |
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)); |
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|
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$attrs = $field_type_object->concat_attrs($a, array('desc', 'options')); |
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echo sprintf('<select%s>%s</select>%s', $attrs, $a['options'], $a['desc']); |
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} |
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|
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/** |
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* Return list of options for pw_multiselect |
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* |
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* Return the list of options, with selected options at the top preserving their order. This also handles the |
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* removal of selected options which no longer exist in the options array. |
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*/ |
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public function get_pw_multiselect_options($field_escaped_value = array(), $field_type_object = null) |
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{ |
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$options = (array) $field_type_object->field->options(); |
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|
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// If we have selected items, we need to preserve their order |
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if (!empty($field_escaped_value)) { |
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$options = $this->sort_array_by_array($options, $field_escaped_value); |
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} |
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|
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$selected_items = ''; |
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$other_items = ''; |
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|
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foreach ($options as $option_value => $option_label) { |
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|
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// Clone args & modify for just this item |
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$option = array( |
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'value' => $option_value, |
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'label' => $option_label, |
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); |
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|
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// Split options into those which are selected and the rest |
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if (in_array($option_value, (array) $field_escaped_value)) { |
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$option['checked'] = true; |
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$selected_items .= $field_type_object->select_option($option); |
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} else { |
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$other_items .= $field_type_object->select_option($option); |
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} |
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} |
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|
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return $selected_items . $other_items; |
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} |
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|
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/** |
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* Sort an array by the keys of another array |
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* |
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* @author Eran Galperin |
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* @link http://link.from.pw/1Waji4l |
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*/ |
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public function sort_array_by_array(array $array, array $orderArray) |
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{ |
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$ordered = array(); |
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|
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foreach ($orderArray as $key) { |
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if (array_key_exists($key, $array)) { |
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$ordered[$key] = $array[$key]; |
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unset($array[$key]); |
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} |
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} |
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|
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return $ordered + $array; |
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} |
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|
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/** |
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* Handle sanitization for repeatable fields |
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*/ |
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public function pw_multiselect_sanitize($check, $meta_value, $object_id, $field_args) |
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{ |
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if (!is_array($meta_value) || !$field_args['repeatable']) { |
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return $check; |
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} |
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|
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foreach ($meta_value as $key => $val) { |
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$meta_value[$key] = array_map('sanitize_text_field', $val); |
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} |
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|
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return $meta_value; |
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} |
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|
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/** |
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* Handle escaping for repeatable fields |
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*/ |
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public function pw_multiselect_escaped_value($check, $meta_value, $field_args) |
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{ |
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if (!is_array($meta_value) || !$field_args['repeatable']) { |
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return $check; |
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} |
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|
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foreach ($meta_value as $key => $val) { |
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$meta_value[$key] = array_map('esc_attr', $val); |
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} |
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|
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return $meta_value; |
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} |
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|
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/** |
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* Add 'table-layout' class to multi-value select field |
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*/ |
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public function pw_multiselect_table_row_class($check) |
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{ |
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$check[] = 'pw_multiselect'; |
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|
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return $check; |
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} |
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|
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/** |
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* Enqueue scripts and styles |
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*/ |
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public function setup_admin_scripts() |
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{ |
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$asset_path = apply_filters('pw_cmb2_field_select2_asset_path', plugins_url('', __FILE__)); |
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|
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wp_register_script('pw-select2', $asset_path . '/js/select2.min.js', array('jquery-ui-sortable'), '4.0.3'); |
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wp_enqueue_script('pw-select2-init', $asset_path . '/js/script.js', array('cmb2-scripts', 'pw-select2'), self::VERSION); |
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wp_register_style('pw-select2', $asset_path . '/css/select2.min.css', array(), '4.0.3'); |
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wp_enqueue_style('pw-select2-tweaks', $asset_path . '/css/style.css', array('pw-select2'), self::VERSION); |
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} |
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} |
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$pw_cmb2_field_select2 = new PW_CMB2_Field_Select2(); |
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} |
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|