BaseDialog.java

package com.jface.view;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TableEditor;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
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 BaseDialog extends Dialog {
	private Table table;

	/**
	 * Create the dialog.
	 * 
	 * @param parentShell
	 */
	public BaseDialog(Shell parentShell) {
		super(parentShell);
	}

	/**
	 * Create contents of the dialog.
	 * 
	 * @param parent
	 */
	@Override
	protected Control createDialogArea(Composite parent) {
		Composite composite = (Composite) super.createDialogArea(parent);
		composite.setLayout(new GridLayout(1, false));
		Composite composite_1 = new Composite(composite, SWT.NONE);
		composite_1.setLayout(new GridLayout(11, false));
		GridData gd_composite_1 = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
		gd_composite_1.heightHint = 44;
		gd_composite_1.widthHint = 450;
		composite_1.setLayoutData(gd_composite_1);
		Label lblNewLabel = new Label(composite_1, SWT.NONE);
		lblNewLabel.setText("Key Parameters");
		new Label(composite_1, SWT.NONE);
		new Label(composite_1, SWT.NONE);
		new Label(composite_1, SWT.NONE);
		new Label(composite_1, SWT.NONE);
		new Label(composite_1, SWT.NONE);
		new Label(composite_1, SWT.NONE);
		Button btnNewButton = new Button(composite_1, SWT.NONE);

		btnNewButton.setText("Add");
		new Label(composite_1, SWT.NONE);
		new Label(composite_1, SWT.NONE);
		Button btnNewButton_1 = new Button(composite_1, SWT.NONE);
		btnNewButton_1.setText("Remove");
	
		Composite composite_2 = new Composite(composite, SWT.NONE);
		GridData gd_composite_2 = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
		gd_composite_2.widthHint = 444;
		gd_composite_2.heightHint = 159;
		composite_2.setLayoutData(gd_composite_2);
		TableViewer tableViewer = new TableViewer(composite_2, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);

		table = tableViewer.getTable();
		table.setBounds(10, 0, 424, 149);

		table.setLinesVisible(true);
		TableColumn tblclmnNewColumn = new TableColumn(table, SWT.NONE);
		tblclmnNewColumn.setWidth(210);
		tblclmnNewColumn.setText("Key");
		TableColumn tblclmnNewColumn_1 = new TableColumn(table, SWT.NONE);
		tblclmnNewColumn_1.setWidth(220);
		tblclmnNewColumn_1.setText("Value");
		table.setHeaderVisible(true);

		btnNewButton.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				TableItem tableItem = new TableItem(table, SWT.NONE);
				tableItem.setText(new String[] { "Key", "Value" });
			}
		});

		final TableEditor editor = new TableEditor(table);
		editor.horizontalAlignment = SWT.LEFT;
		editor.grabHorizontal = true;

		table.addListener(SWT.MouseDown, new Listener() {
			public void handleEvent(Event event) {
				Rectangle clientArea = table.getClientArea();
				Point pt = new Point(event.x, event.y);
				int index = table.getTopIndex();
				while (index < table.getItemCount()) {
					boolean visible = false;
					final TableItem item = table.getItem(index);
					for (int i = 0; i < table.getColumnCount(); i++) {
						Rectangle rect = item.getBounds(i);
						if (rect.contains(pt)) {
							final int column = i;
							final Text text = new Text(table, SWT.NONE);
							Listener textListener = new Listener() {
								public void handleEvent(final Event e) {
									switch (e.type) {
									case SWT.FocusOut:
										item.setText(column, text.getText());
										text.dispose();
										break;
									case SWT.Traverse:
										switch (e.detail) {
										case SWT.TRAVERSE_RETURN:
											item.setText(column, text.getText());
											// FALL THROUGH
										case SWT.TRAVERSE_ESCAPE:
											text.dispose();
											e.doit = false;
										}
										break;
									}
								}
							};
							text.addListener(SWT.FocusOut, textListener);
							text.addListener(SWT.Traverse, textListener);
							editor.setEditor(text, item, i);
							text.setText(item.getText(i));
							text.selectAll();
							text.setFocus();
							return;
						}
						if (!visible && rect.intersects(clientArea)) {
							visible = true;
						}
					}
					if (!visible)
						return;
					index++;
				}
			}
		});
		
		btnNewButton_1.addListener(SWT.Selection, new Listener() {
		      public void handleEvent(Event event) {
		        table.remove(table.getSelectionIndices());
		      }
		    });

		return composite;
	}

	/**
	 * Create contents of the button bar.
	 * 
	 * @param parent
	 */
	@Override
	protected void createButtonsForButtonBar(Composite parent) {
		createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
		createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
		Button button = createButton(parent, 0, "Apply", false);
		button.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {

			}
		});
	}

	/**
	 * Return the initial size of the dialog.
	 */
	@Override
	protected Point getInitialSize() {
		return new Point(465, 375);
	}
}