examples/org.eclipse.jface.snippets/Eclipse JFace Snippets/org/eclipse/jface/snippets/viewers/Snippet007FullSelection.java

/*******************************************************************************
 * Copyright (c) 2006, 2018 Tom Schindl and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     Tom Schindl - initial API and implementation
 *     Lars Vogel <Lars.Vogel@gmail.com> - Bug 414565
 *     Simon Scholz <simon.scholz@vogella.com> - Bug 448143
 *******************************************************************************/

package org.eclipse.jface.snippets.viewers;

import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ColumnViewer;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;

/**
 * TableViewer: Hide full selection
 *
 */
public class Snippet007FullSelection {

	public static class MyModel {
		public int counter;

		public MyModel(int counter) {
			this.counter = counter;
		}

		@Override
		public String toString() {
			return "Item " + this.counter;
		}
	}

	public Snippet007FullSelection(Shell shell) {
		final TableViewer v = new TableViewer(shell,SWT.BORDER|SWT.FULL_SELECTION);
		v.setContentProvider(ArrayContentProvider.getInstance());

		TableColumn column = new TableColumn(v.getTable(),SWT.NONE);
		column.setWidth(100);
		column.setText("Column 1");
		TableViewerColumn viewerColumn1 = new TableViewerColumn(v, column);
		viewerColumn1.setLabelProvider(new ColumnLabelProvider());
		viewerColumn1.setEditingSupport(new EditColumns(v));

		column = new TableColumn(v.getTable(),SWT.NONE);
		column.setWidth(100);
		column.setText("Column 2");
		TableViewerColumn viewerColumn2 = new TableViewerColumn(v, column);
		viewerColumn2.setLabelProvider(new ColumnLabelProvider());
		viewerColumn2.setEditingSupport(new EditColumns(v));

		MyModel[] model = createModel();
		v.setInput(model);
		v.getTable().setLinesVisible(true);
		v.getTable().setHeaderVisible(true);

		v.getTable().addListener(SWT.EraseItem, event -> event.detail &= ~SWT.SELECTED);

	}

	private MyModel[] createModel() {
		MyModel[] elements = new MyModel[10];

		for( int i = 0; i < 10; i++ ) {
			elements[i] = new MyModel(i);
		}

		return elements;
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Display display = new Display ();
		Shell shell = new Shell(display);
		shell.setLayout(new FillLayout());
		new Snippet007FullSelection(shell);
		shell.open ();

		while (!shell.isDisposed ()) {
			if (!display.readAndDispatch ()) display.sleep ();
		}

		display.dispose ();

	}

	private class EditColumns extends EditingSupport {

		public EditColumns(ColumnViewer viewer) {
			super(viewer);
		}

		@Override
		protected CellEditor getCellEditor(Object element) {
			return new TextCellEditor((Composite) getViewer().getControl());
		}

		@Override
		protected boolean canEdit(Object element) {
			return true;
		}

		@Override
		protected Object getValue(Object element) {
			return ((MyModel) element).counter + "";
		}

		@Override
		protected void setValue(Object element, Object value) {
			((MyModel) element).counter = Integer.parseInt(value.toString());
			getViewer().update(element, null);
		}

	}

}