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Lập trình Wrox Professional Xcode 3 cho Mac OS part 12

Một số hành động làm cho Lưu tất cả các cửa sổ để xuất hiện tự động. Dự án đóng một lực lượng bạn lưu hoặc từ bỏ các thay đổi được thực hiện trong tất cả các file dự án chưa được lưu. Bạn có thể cấu hình các lệnh Build trong Preferences Xcode để tự động lưu tất cả chưa được lưu fi les hoặc nhắc bạn cho những người thân để lưu trước khi xây dựng. | 94 CHAPTER 6 EDITING TEXT The File Save Command S command immediately writes the changes made in the active editor pane to the file. The File Save All Option Command S command presents a dialog box like the one in Figure 6-8 that lists all of the unsaved files. Select the files to save and click the Save All Selected button. n Save Edited Files DueDate Picker h - Volu mes Griffin Users james Documents Publications Wiley Xcod PromiseListViewContro I ler. h - Vol umes G riffin Users james Docu ments Publicat io ns PromiseListViewComroller.m - Volumes Griffin Users james Documents Publications Don t Save Save All FIGURE 6-8 Some actions cause the Save All window to appear automatically. Closing a project forces you to save or abandon the changes made in all unsaved project files. You can configure the Build commands in the Xcode Preferences to automatically save all unsaved files or prompt you for which ones to save before building. THE EDITOR PANE It s now time to take a detailed look at the Xcode editor pane shown in Figure 6-9. The editor pane has a number of controls and features. In the center naturally is the editor with the content of the file being edited. Across the top edge is the navigation bar the various functions of which are explained later in the Navigating Within a File section. Along the right edge are the scrollbars and split pane controls. On the left edge is the gutter and ribbon explained later in the Gutter section. The line running down the right side of the main editing region is the page guide. Depending on your display preferences and the kind of file being edited some of these features may not be visible. See the Display Options section to find out how to enable or disable them. Download at getcoolebook.com The Editor Pane 95 FIGURE 6-9 The active pane always has a blinking text cursor or a shaded text selection. You might get the idea that the text insertion cursor and the current text selection mentioned throughout this book are .