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/*******************************************************************************
* Copyright (c) 2006 - 2015 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@vogella.com> - Bug 414565, 475361
* Jeanderson Candido <http://jeandersonbc.github.io> - Bug 414565
*******************************************************************************/
package org.eclipse.jface.snippets.viewers;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
/**
* Snippet that hides the selection when nothing is selected.
*
*/
public class Snippet004HideSelection {
public static class MyModel {
public int counter;
public MyModel(int counter) {
this.counter = counter;
}
@Override
public String toString() {
return "Item " + this.counter;
}
}
public Snippet004HideSelection(Shell shell) {
final TableViewer v = new TableViewer(shell, SWT.BORDER
| SWT.FULL_SELECTION);
v.setLabelProvider(new LabelProvider());
v.setContentProvider(ArrayContentProvider.getInstance());
v.setInput(createModel());
createColumn(v.getTable(), "Values");
v.getTable().setLinesVisible(true);
v.getTable().addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(MouseEvent e) {
if (v.getTable().getItem(new Point(e.x, e.y)) == null) {
v.setSelection(new StructuredSelection());
}
}
});
}
public void createColumn(Table tb, String text) {
TableColumn column = new TableColumn(tb, SWT.NONE);
column.setWidth(100);
column.setText(text);
tb.setHeaderVisible(true);
}
private List<MyModel> createModel() {
List<MyModel> elements = new ArrayList<>();
for (int i = 0; i < 10; i++) {
elements.add(new MyModel(i));
}
return elements;
}
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
new Snippet004HideSelection(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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