Add Listbox.index and Listbox.rename.

examples/example.rb

@@ -80,6 +80,7 @@ def self.show
 
 list = %w{ Hello World Lorem Ipsum Single'Quote Double'Quote }
 lst_list = SKUI::Listbox.new( list )
+lst_list.name = :lst_test
 lst_list.size = 4
 lst_list.multiple = true
 lst_list.value = lst_list.items.first

src/SKUI/js/ui.listbox.js

@@ -69,6 +69,14 @@ Listbox.remove_item = function( ui_id, index ) {
   return index;
 };
 
+Listbox.rename = function( ui_id, index, value ) {
+  $control = $('#' + ui_id);
+  $select = $control.children('select');
+  $items = $select.children('option');
+  $items.eq(index).text(value);
+  return;
+};
+
 Listbox.prototype.set_items = function( value ) {
   $select = this.control.children('select');
   $select.empty();

src/SKUI/listbox.rb

@@ -62,6 +62,17 @@ def clear
       nil
     end
 
+    # @param [String] string
+    #
+    # @return [Integer]
+    # @since 1.0.0
+    def index( value )
+      unless value.is_a?(String)
+        raise( ArgumentError, 'Value must be a string.' )
+      end
+      items.index( value )
+    end
+
     # @overload insert(index, string, ...)
     #   @param [String] string
     #
@@ -150,6 +161,28 @@ def remove_item( arg )
       nil
     end
 
+    # @param [Integer] index
+    # @param [String] value
+    #
+    # @return [Boolean]
+    # @since 1.0.0
+    def rename( index, value )
+      unless index.is_a?(Integer)
+        raise( ArgumentError, 'Index must be an integer.' )
+      end
+      unless value.is_a?(String)
+        raise( ArgumentError, 'Value must be a string.' )
+      end
+      puts "rename"
+      if index > 0 && index < @properties[ :items ].size
+        @properties[ :items ][ index ] = value
+        window.bridge.call( 'UI.Listbox.rename', ui_id, index, value )
+        true
+      else
+        false
+      end
+    end
+
     # @param [Integer] value
     #
     # @return [Integer]