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package gui;
import org.apache.log4j.Logger;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Monitor;
import org.eclipse.swt.widgets.Shell;
public abstract class GuiManager {
private final static Logger LOGGER = Logger.getLogger(GuiManager.class);
static Shell mainShell;
static Composite contentComposite;
static Display display;
/**
* Add a new composite with content to the main Shell
* @param The composite to add, should be a GUI
*/
public static void addContent( Composite contentComposite ){
removeContent();
GuiManager.contentComposite = contentComposite;
// sets the starting preferred size.
GridData gridData = new GridData(GridData.FILL, GridData.FILL, true, true);
gridData.widthHint = 800;
gridData.heightHint = 600;
contentComposite.setLayoutData(gridData);
mainShell.layout();
}
/**
* Remove the current content of the main shell
*/
private static void removeContent() {
if(contentComposite != null) {
GuiManager.contentComposite.dispose();
}
}
// TODO use showMessageBox
public static void showMessage(final String message) {
MessageBox msgBox = new MessageBox(mainShell, SWT.ICON_INFORMATION);
msgBox.setText("Information");
msgBox.setMessage(message);
int ret = msgBox.open();
}
// /**
// * Generic helper to show a message box to the user, and optionally log the message to the log file.
// *
// * @param message Message to display. Can be multi line.
// * @param messageType Type of message (warning, information)
// * @param logger Logger instance to log to. Can be null.
// * @param exception Exception related to this message. Can be null.
// */
// public static void showMessageBox(String message, MessageType messageType, Logger logger,
// Throwable exception) {
// if (logger != null)
// logger.log(messageType.logPriority, message, exception);
// if (exception != null)
// message += "\n\n" + exception.getClass().getSimpleName();
// JOptionPane.showMessageDialog(mainWindow, message, messageType.title, messageType.optionPaneId);
// }
public static Display getDisplay(){
return display;
}
public static void initGui() {
display = new Display();
mainShell = new Shell(display, SWT.SHELL_TRIM | SWT.CENTER);
Menu menuBar = new Menu(mainShell, SWT.BAR);
MenuItem cascadeFileMenu = new MenuItem(menuBar, SWT.CASCADE);
cascadeFileMenu.setText("&File");
Menu fileMenu = new Menu(mainShell, SWT.DROP_DOWN);
cascadeFileMenu.setMenu(fileMenu);
MenuItem exitItem = new MenuItem(fileMenu, SWT.PUSH);
exitItem.setText("&Exit");
exitItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
mainShell.getDisplay().dispose();
System.exit(0);
}
});
mainShell.setText("Dozmod");
mainShell.setMenuBar(menuBar);
// Set layout for the mainshell, items added to the shell should get a gridData
mainShell.setLayout(new GridLayout(1, true));
addContent(new gui.core.LoginGUI(mainShell));
// center the window on the primary monitor
Monitor primary = display.getPrimaryMonitor();
Rectangle bounds = primary.getBounds();
Rectangle rect = mainShell.getBounds();
int x = bounds.x + (bounds.width - rect.width) / 2;
int y = bounds.y + (bounds.height - rect.height) / 2;
mainShell.setLocation(x, y);
mainShell.pack();
mainShell.open();
LOGGER.info("GUI initialised.");
while (!mainShell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
}
}
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