/*
 * Table example snippet: place arbitrary controls in a table
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.custom.TableEditor;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;

public class Snippet126 {

	private static void hook(TableEditor editor, TableItem item) {
		item.addDisposeListener(event -> {
			editor.getEditor().dispose();
			editor.dispose();
		});
	}

	public static void main(String[] args) {
		Display display = new Display();
		Shell shell = new Shell(display);
		shell.setText("Snippet 126"); //$NON-NLS-1$
		shell.setLayout(new FillLayout());
		Table table = new Table(shell, SWT.BORDER | SWT.MULTI);
		table.setLinesVisible(true);
		for (int i = 0; i < 4; i++) {
			TableColumn column = new TableColumn(table, SWT.NONE);
			column.setWidth(100);
		}
		for (int i = 0; i < 12; i++) {
			new TableItem(table, SWT.NONE);
		}
		TableItem[] items = table.getItems();
		for (TableItem thisItem : items) {
			TableEditor editor = new TableEditor(table);
			CCombo combo = new CCombo(table, SWT.NONE);
			combo.setText("CCombo"); //$NON-NLS-1$
			combo.add("item 1"); //$NON-NLS-1$
			combo.add("item 2"); //$NON-NLS-1$
			editor.grabHorizontal = true;
			editor.setEditor(combo, thisItem, 0);
			hook(editor, thisItem);
			editor = new TableEditor(table);
			Text text = new Text(table, SWT.NONE);
			text.setText("Text"); //$NON-NLS-1$
			editor.grabHorizontal = true;
			editor.setEditor(text, thisItem, 1);
			hook(editor, thisItem);
			editor = new TableEditor(table);
			Button button = new Button(table, SWT.CHECK);
			button.pack();
			editor.minimumWidth = button.getSize().x;
			editor.horizontalAlignment = SWT.LEFT;
			editor.setEditor(button, thisItem, 2);
			hook(editor, thisItem);
			editor = new TableEditor(table);
			button = new Button(table, SWT.CHECK);
			button.pack();
			button.addSelectionListener(new SelectionAdapter() {
				@Override
				public void widgetSelected(SelectionEvent e) {
					TableItem[] items = table.getItems();
					TableItem[] selected = table.getSelection();
					boolean isSelected = false;
					for (TableItem ti : selected) {
						if (ti == thisItem) {
							isSelected = true;
							break;
						}
					}
					int index = -1;
					for (int i = 0; i < items.length; i++) {
						if (items[i] == thisItem) {
							index = i;
							break;
						}
					}
					if (index >= 0) {
						if (isSelected) {
							table.deselect(index);
						}
						table.remove(index);
					}
					// Generate an event so that table editors move.
//					table.setRedraw(false);
//					try {
//						Rectangle bounds = table.getBounds();
//						table.setSize(bounds.width, bounds.height - 1);
//						table.setSize(bounds.width, bounds.height);
//					} finally {
//						table.setRedraw(true);
//					}
				}
			});
			editor.minimumWidth = button.getSize().x;
			editor.horizontalAlignment = SWT.CENTER;
			editor.setEditor(button, thisItem, 3);
			hook(editor, thisItem);
		}
		shell.pack();
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) {
				display.sleep();
			}
		}
		display.dispose();
	}
}