/* DEMONSTRATES RAP PROBLEM WITH MENUDETECT ONLY OCCURRING ONCE IN TABLE HEADERS */
package bug.snippet;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;

public class Bugsy {
	private Display display;
	private Shell shell;
	private static Table tab;
	private static TableColumn col;
	int answer = -1;
	private Menu menu;
	
	public void begin() {
		System.out.println("BugSnippy Starting...");
		
		// create the Shell
		display = new Display();
		shell = new Shell(display, SWT.APPLICATION_MODAL|SWT.TITLE|SWT.CLOSE);
		shell.setText("Shell");
		//shell.setMaximized(true);
		shell.setBounds(10, 10, 900, 500);
		shell.setBackground(new Color(null, new RGB(255,128,128)));
		FormLayout layout = new FormLayout();
		shell.setLayout(layout);

		//create the table
		tab = new Table(shell, SWT.FULL_SELECTION|SWT.MULTI|SWT.BORDER);
		tab.setHeaderVisible(true);
		tab.setLinesVisible(true);

		col = new TableColumn(tab, SWT.NONE);
		col.setResizable(true);
		col.setWidth(700);
		col.setText("My Column");

		col = new TableColumn(tab, SWT.NONE);
		col.setResizable(true);
		col.setWidth(225);
		col.setText("My 2nd Column");

		//add some data to the table
		String[] tableData = new String[2]; //2 columns
		
		for (int i = 0; i < 100; i++) {
			tableData[0] = "My Value " + i;
			tableData[1] = "Wonderful " + i*10;
			TableItem tableItem = new TableItem(tab, SWT.None, 0);
			tableItem.setText(tableData);
		}
		
		//set table's position
		FormData fd = new FormData();
		fd.left = new FormAttachment(0, 5);
		fd.top = new FormAttachment(0, 5);
		fd.width = 800;
		fd.height = 400;
		tab.setLayoutData(fd);

		tab.addListener(SWT.MenuDetect, menuDetectListener);

		// construct the table's context popup menu
		menu = new Menu(shell, SWT.POP_UP);
		MenuItem mi = new MenuItem(menu, SWT.NONE);
		mi.setText("Select All");
		mi.addListener(SWT.Selection, menuItemListener);
		
		shell.open();
		while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
		}
		display.dispose();

		System.out.println("BugSnippy Done!");
	}

	Listener menuDetectListener = new Listener() {
		public void handleEvent(Event event) {
			Point pt = display.map(null, tab, new Point(event.x, event.y));
			Rectangle clientArea;
			boolean header;
			clientArea = tab.getClientArea();
			header = clientArea.y <= pt.y && pt.y < (clientArea.y + tab.getHeaderHeight());
			if (header) {
				System.out.println("Context menu required here in table header");
				tab.setMenu(menu);
			}
			else {
				System.out.println("No context menu in this location thanks - table header only");
				tab.setMenu(null);
			}
		}
	};

	Listener menuItemListener = new Listener() {
		public void handleEvent(Event event) {
			System.out.println("Item on Context Menu Selected!");
		}
	};

}