Nếu hình ảnh là vô giá trị, chúng tôi trở lại kích thước ưa thích của đối tượng cha của chúng tôi. Về đầu Tóm tắt Đó COMPLETE tập tin này. Điều đó chúng tôi có xây dựng một bộ điều khiển có chứa một container câm | Implementing the Slide Show carefully you will notice a mistake in the image. Can you find it We create a new SlideShow menu and a new Toggle Play item. We assign Command-P as the shortcut and add the menu item to the menu. Next we create a Back and a Forward item with shortcut keys and add them to the menu. Finally we add the Slideshow menu to the menu bar. Options Help Toggle Controls Toggle Fullscreen optionsMenu new Menu Options controlsMenuItem new MenuItem Toggle Controls controlsMenuItem fullScreenMenuItem new MenuItem Toggle Full Screen fullScreenMenuItem optionsMenu setMenuBar menuBar1 For the options menu we create a new menu and the appropriate menu items. We do not assign command keys here because these items should not need be used frequently. Lastly we call setMenuBar which changes the main menu bar to the one we just created. Now we are ready for the last step in creating our constructor registering our application event listeners. Back to top Step 8 - Registering our Application Event Listeners Our application needs to install a number of event listeners in order to respond appropriately when events are fired. Not only do we need to listen to our controller and respond when it fires action events but we also have to listen to all of our menu items so that we can respond when these items are selected from the menus. fullScreenMenuItem new MenuItem Toggle Full Screen fullScreenMenuItem optionsMenu setMenuBar menuBar1 REGISTER_LISTENERS Register ActionListeners with the menu items and the controller. Insert SlideShow register listeners Locate the SlideShow register listeners clipping in the SlideShow folder and drag it directly below the last line of code shown above. Your code should now look like this Implementing the Slide Show fullScreenMenuItem new MenuItem Toggle Full Screen fullScreenMenuItem optionsMenu setMenuBar menuBar1 REGISTER_LISTENERS .
