Add menu bar to Animation Editor, some refactoring

Data/Scripts/904_Anim Editor/Anim Editor elements/004_Menu bar.rb

@@ -0,0 +1,52 @@
+#===============================================================================
+# TODO: Ideally the menu buttons (add_button) will be replaced by a proper
+#       menu control (basically multiple DropdownList controls where the headers
+#       have fixed names and, while captured, hovering over a header changes
+#       which list is displayed). The menu control should go under UI controls
+#       rather than be unique to the Animation Editor.
+#===============================================================================
+class AnimationEditor::MenuBar < UIControls::ControlsContainer
+  MENU_BUTTON_WIDTH = 80
+  NAME_BUTTON_WIDTH = 400   # The animation's name
+
+  def initialize(x, y, width, height, viewport)
+    super(x, y, width, height)
+    @viewport.z = viewport.z + 10   # So that it appears over the canvas
+  end
+
+  #-----------------------------------------------------------------------------
+
+  def add_button(id, button_text)
+    ctrl = UIControls::Button.new(MENU_BUTTON_WIDTH, @height, @viewport, button_text)
+    ctrl.set_fixed_size
+    add_control(id, ctrl)
+  end
+
+  def add_name_button(id, button_text)
+    ctrl = UIControls::Button.new(NAME_BUTTON_WIDTH, @height, @viewport, button_text)
+    ctrl.set_fixed_size
+    add_control(id, ctrl)
+  end
+
+  def anim_name=(val)
+    ctrl = get_control(:name)
+    ctrl.set_text(val) if ctrl
+  end
+
+  #-----------------------------------------------------------------------------
+
+  private
+
+  def add_control(id, control, add_offset = false)
+    i = @controls.length
+    control_x = (add_offset ? @row_count - 1 : @row_count) * MENU_BUTTON_WIDTH
+    control_x = @width - control.width if control.width == NAME_BUTTON_WIDTH
+    @control_rects[i] = Rect.new(control_x, 0, control.width, control.height)
+    control.x = @control_rects[i].x + (add_offset ? OFFSET_FROM_LABEL_X : 0)
+    control.y = @control_rects[i].y + (add_offset ? OFFSET_FROM_LABEL_Y : 0)
+    control.set_interactive_rects
+    @controls[i] = [id, control]
+    @row_count += 1 if !add_offset
+    repaint
+  end
+end