lighttroupe/luz

#
# GuiDirectorMenu is the fullscreen director grid
#
class GuiDirectorMenu < GuiWindow
    def initialize(directors)
        super()
        create!
        set_directors(directors)
        update_grid_size!
    end

    def create!
        self << @background = GuiObject.new.set(:background_image => $engine.load_image('images/overlay.png'))

        self << @grid = GuiGrid.new.set(:scale => 0.95, :spacing_x => 0.1, :spacing_y => 0.1, :min_columns => 3)
        @grid.on_contents_change { $engine.project.directors = @grid.map(&:object) ; $engine.project_changed! }

        self << @output_view_button = GuiOutputViewButton.new.set(:scale_x => 0.05, :scale_y => 0.06, :offset_x => -0.475, :offset_y => 0.47, :background_image => $engine.load_image('images/buttons/output-view.png'), :background_image_hover => $engine.load_image('images/buttons/output-view-hover.png'), :background_image_click => $engine.load_image('images/buttons/output-view-click.png'), :background_image_on => $engine.load_image('images/buttons/output-view-on.png'))
        @output_view_button.on_clicked {
            $gui.mode = :output
            close!
        }

        self << @project_effects_button = GuiButton.new.set(:scale_x => 0.05, :scale_y => 0.06, :offset_x => 0.475, :offset_y => -0.47, :background_image => $engine.load_image('images/buttons/project-effects.png'), :background_image_hover => $engine.load_image('images/buttons/project-effects-hover.png'), :background_image_click => $engine.load_image('images/buttons/project-effects-click.png'))
        @project_effects_button.on_clicked {
            $gui.build_editor_for($engine.project)
            close!
        }

        self << @add_button = GuiButton.new.set(:scale_x => 0.05, :scale_y => 0.06, :offset_x => -0.475, :offset_y => -0.47, :background_image => $engine.load_image('images/buttons/new-director.png'), :background_image_hover => $engine.load_image('images/buttons/new-director-hover.png'), :background_image_click => $engine.load_image('images/buttons/new-director-click.png'))
        @add_button.on_clicked {
            add_new_director!
        }

        self << @cancel_button = GuiButton.new.set(:scale_x => 0.05, :scale_y => 0.06, :offset_x => 0.475, :offset_y => 0.47, :background_image => $engine.load_image('images/buttons/director-view-close.png'), :background_image_hover => $engine.load_image('images/buttons/director-view-close-hover.png'), :background_image_click => $engine.load_image('images/buttons/director-view-close-click.png'))
        @cancel_button.on_clicked {
            close!
        }
    end

    def set_directors(directors)
        @grid.contents = directors.map { |director| create_renderer_for_director(director) }
    end

    def grab_keyboard_focus!
        @grid.grab_keyboard_focus!
    end

    def add_new_director!
        director = Director.new
        $engine.project.directors << director
        @grid << create_renderer_for_director(director)
        update_grid_size!
        choose_director(director)
    end

    def create_renderer_for_director(director)
        renderer = director.new_renderer.set(:background_image => $engine.load_image('images/director-menu-director-background.png'))
        # callbacks
        renderer.on_clicked { |pointer|
            renderer.animate(:gui_enter_exit_progress, 0.5, 0.1)

            @grid.set_selection(renderer)
            renderer.grab_keyboard_focus!

            $gui.chosen_next_director = director        # for playing live
        }
        renderer.on_double_clicked { |pointer|
            choose_director(director)
        }
        renderer
    end

    def choose_director(director)
        close!
        $gui.chosen_director = director
        $gui.positive_message director.title
    end

    def close!
        super
        $gui.default_focus!
    end

    def on_key_press(key)
        if key.control?
            case key
            when 'n'
                add_new_director!
            when 'up'
                close!
            when 'right'
                $gui.build_editor_for($engine.project)
                close!
            else
                super
            end
        else
            case key
            when 'escape'
                close!
            when 'return'
                selected = @grid.selection.first
                if selected
                    choose_director(selected.object)
                end
            else
                super
            end
        end
    end

private

    def update_grid_size!
        @grid.min_columns = choose_column_count
    end

    def choose_column_count
        if @grid.count > 49
            8
        elsif @grid.count > 36
            7
        elsif @grid.count > 25
            6
        elsif @grid.count > 16
            5
        elsif @grid.count > 9
            4
        else
            3
        end
    end
end