// // SimpleFrame class // part of the set of documents known as Java no sugar. // Copyright (c) 1996 Sunil Gupta, sunil@magnetic.demon.co.uk // placed into the public domain by the author // import java.awt.*; import java.applet.*; import OK_Dialog; public class SimpleFrame extends Frame { static final int DIALOG = 1; static final int FRAME = 2; static final int MENUBAR = 3; static final int MENUITEMS = 4; static final int CHECKMENU = 5; Button btn_quit; Button btn_dialog; Label label, lbl_status; MenuBar menubar; Menu menu_file, menu_help, menu_edit, menu_options, menu_cascade, sub_menu; MenuItem close_item; CheckboxMenuItem checked_menu_item; public SimpleFrame( String title, int what) { super(title); this.setLayout( new GridLayout(0,1) ); switch(what) { case FRAME: label = new Label ( "This is a simple frame "+ "But due to paranoid geeks on the net "+ "theres a horrible message at the "+ "bottom of the frame" ); this.add(label); break; case DIALOG: label = new Label("Unfortunately applets dont have direct access to dialogs"); this.add(label); btn_dialog = new Button("Click me for a dialog"); this.add(btn_dialog); break; case MENUBAR: case MENUITEMS: case CHECKMENU: menubar = new MenuBar(); this.setMenuBar(menubar); menu_file = new Menu("File"); menu_edit = new Menu("Edit"); menu_options = new Menu("Options"); menu_help = new Menu("Help"); menu_cascade = new Menu("Cascade"); menubar.add(menu_file); menubar.add(menu_edit); menubar.add(menu_options); menubar.add(menu_cascade); menubar.add(menu_help); menubar.setHelpMenu(menu_help); if (what != MENUBAR) { menu_file.add( new MenuItem("New")); menu_file.add( new MenuItem("Open")); menu_file.add( new MenuItem("-")); menu_file.add( new MenuItem("Print")); menu_file.add( new MenuItem("Print Preview")); menu_file.add( new MenuItem("-")); close_item = new MenuItem("Close"); menu_file.add( close_item); menu_edit.add( new MenuItem("Cut")); menu_edit.add( new MenuItem("Copy")); menu_edit.add( new MenuItem("Paste")); sub_menu = new Menu("Sub menu"); sub_menu.add (new MenuItem("Item 1") ); sub_menu.add (new MenuItem("Item 2") ); sub_menu.add (new MenuItem("Item 3") ); menu_cascade.add(sub_menu); menu_help.add( new MenuItem("About")); if (what == CHECKMENU) { checked_menu_item = new CheckboxMenuItem("HTML mode"); checked_menu_item.setState(true); menu_options.add(checked_menu_item); menu_options.add ( new CheckboxMenuItem("java mode") ); menu_options.add ( new CheckboxMenuItem("C mode") ); menu_options.add ( new CheckboxMenuItem("Delphi mode") ); } } break; } btn_quit = new Button("Quit"); this.add(btn_quit); lbl_status = new Label("status"); this.add(lbl_status); } public SimpleFrame( String title) { this(title, FRAME); } public boolean action(Event event, Object arg) { OK_dialog dialog; CardLayout layout; if ((event.target == btn_quit) || (event.target == close_item)) { this.hide(); this.dispose(); return (true); } else if(event.target == btn_dialog) { dialog = new OK_dialog(this, "this is a dialog", "About"); dialog.show(); return (true); } else if (event.target instanceof MenuItem) { MenuItem the_item; Menu menu; String status; the_item = (MenuItem)(event.target); menu = (Menu) the_item.getParent(); lbl_status.setText( "item " + arg +" in " + menu.getLabel() ); return (true); } return(false); } }
file: /Techref/language/java/nosugar/ui/code/SimpleFrame.java, 3KB, , updated: 1996/10/10 11:10, local time: 2024/8/26 09:15,
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