package de.ugoe.cs.eventbench.swt;

import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;

import de.ugoe.cs.util.console.CommandExecuter;

public class MainWindow {

	protected Shell shell;
	
	protected TabItem consoleTab;
	protected TabItem sequencesTab;
	protected TabItem modelsTab;
	protected TabItem dataTab;
	protected ConsoleTabComposite consoleTabComposite;
	protected SequencesTabComposite sequencesTabComposite;
	protected ModelsTabComposite modelsTabComposite;
	protected DataTabComposite dataTabComposite;
	
	protected CommandHistoryDialog historyDialog;


	/**
	 * Open the window.
	 * @wbp.parser.entryPoint
	 */
	public void open() {
		Display display = Display.getDefault();
		createContents();
		new SWTConsole(getTextConsoleOutput());
		historyDialog = new CommandHistoryDialog(shell, SWT.NONE);
		shell.open();
		shell.layout();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) {
				display.sleep();
			}
		}
	}

	/**
	 * Create contents of the window.
	 */
	protected void createContents() {
		shell = new Shell();
		shell.setSize(500, 300);
		shell.setText("SWT Application");
		shell.setLayout(new GridLayout(1, false));
		
		Menu menu = new Menu(shell, SWT.BAR);
		shell.setMenuBar(menu);
		
		MenuItem mntmFile = new MenuItem(menu, SWT.CASCADE);
		mntmFile.setText("File");
		
		Menu menu_1 = new Menu(mntmFile);
		mntmFile.setMenu(menu_1);
		
		MenuItem mntmShowHistory = new MenuItem(menu_1, SWT.NONE);
		mntmShowHistory.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				if( !historyDialog.isOpen()) {
					historyDialog.open();
				}
			}
		});
		mntmShowHistory.setText("Show History");
		
		MenuItem mntmExecBatchFile = new MenuItem(menu_1, SWT.NONE);
		mntmExecBatchFile.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);
				String filename = fileDialog.open();
				if( filename!=null ) {
					String command = "exec '" + filename + "'";
					CommandExecuter.getInstance().exec(command);
				}
			}
		});
		mntmExecBatchFile.setText("Exec. Batch File");
		
		new MenuItem(menu_1, SWT.SEPARATOR);
		
		MenuItem mntmLoad = new MenuItem(menu_1, SWT.NONE);
		mntmLoad.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);
				String filename = fileDialog.open();
				if( filename!=null ) {
					String command = "load '" + filename + "'";
					CommandExecuter.getInstance().exec(command);
				}
			}
		});
		mntmLoad.setText("Load...");
		
		MenuItem mntmSave = new MenuItem(menu_1, SWT.NONE);
		mntmSave.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				FileDialog fileDialog = new FileDialog(shell, SWT.SAVE);
				String filename = fileDialog.open();
				if( filename!=null ) {
					String command = "save '" + filename + "'";
					CommandExecuter.getInstance().exec(command);
				}
			}
		});
		mntmSave.setText("Save...");
		
		new MenuItem(menu_1, SWT.SEPARATOR);
		
		MenuItem mntmExit = new MenuItem(menu_1, SWT.NONE);
		mntmExit.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				shell.dispose();
			}
		});
		mntmExit.setText("Exit");
		
		MenuItem mntmHelp = new MenuItem(menu, SWT.CASCADE);
		mntmHelp.setText("Help");
		
		Menu menu_2 = new Menu(mntmHelp);
		mntmHelp.setMenu(menu_2);
		
		MenuItem mntmAbout = new MenuItem(menu_2, SWT.NONE);
		mntmAbout.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				AboutDialog aboutDialog = new AboutDialog(shell, SWT.NONE);
				aboutDialog.open();
			}
		});
		mntmAbout.setText("About");
		
		TabFolder tabFolder = new TabFolder(shell, SWT.NONE);
		tabFolder.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				if( e.item == sequencesTab ) {
					sequencesTabComposite.updateSequenceList();
				}
				else if(e.item == modelsTab ) {
					modelsTabComposite.updateModelList();
				}
				else if(e.item == dataTab) {
					dataTabComposite.updateDataList();
				}
			}
		});
		tabFolder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
		
		consoleTab = new TabItem(tabFolder, SWT.NONE);
		consoleTab.setText("Console");
		
		consoleTabComposite = new ConsoleTabComposite(tabFolder, SWT.NO_BACKGROUND);
		consoleTab.setControl(consoleTabComposite);
		
		sequencesTab = new TabItem(tabFolder, SWT.NONE);
		sequencesTab.setText("Sequences");
		
		sequencesTabComposite = new SequencesTabComposite(tabFolder, SWT.NO_BACKGROUND);
		sequencesTab.setControl(sequencesTabComposite);
		
		modelsTab = new TabItem(tabFolder, SWT.NONE);
		modelsTab.setText("Models");
		
		modelsTabComposite = new ModelsTabComposite(tabFolder, SWT.NO_BACKGROUND);
		modelsTab.setControl(modelsTabComposite);
		
		dataTab = new TabItem(tabFolder, SWT.NONE);
		dataTab.setText("Data");
		
		dataTabComposite = new DataTabComposite(tabFolder, SWT.NO_BACKGROUND);
		dataTab.setControl(dataTabComposite);
		
	}
	public Text getTextConsoleOutput() {
		return consoleTabComposite.textConsoleOutput;
	}
}