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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
* Dinko Ivanov - bug 164365
* Jeanderson Candido <http://jeandersonbc.github.io> - Bug 414565
* Simon Scholz <simon.scholz@vogella.com> - Bug 448143
* Lars Vogel <Lars.Vogel@vogella.com> - Bug 475361, 489234
*******************************************************************************/
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.CellEditor;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ComboBoxCellEditor;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.swt.SWT;
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;
/**
* This snippet represents usage of the ComboBoxCell-Editor
*
* @author Tom Schindl <tom.schindl@bestsolution.at>
*
*/
public class Snippet027ComboBoxCellEditors {
public static class MyModel {
public int counter;
public MyModel(int counter) {
this.counter = counter;
}
@Override
public String toString() {
return "Item " + this.counter;
}
}
public Snippet027ComboBoxCellEditors(Shell shell) {
final Table table = new Table(shell, SWT.BORDER | SWT.FULL_SELECTION);
final TableViewer v = new TableViewer(table);
v.setContentProvider(ArrayContentProvider.getInstance());
TableColumn column = new TableColumn(table, SWT.NONE);
column.setWidth(200);
column.setText("Column 1");
TableViewerColumn viewerColumn = new TableViewerColumn(v, column);
viewerColumn.setLabelProvider(new ColumnLabelProvider());
viewerColumn.setEditingSupport(new EditingSupport(v) {
@Override
protected void setValue(Object element, Object value) {
((MyModel) element).counter = ((Integer) value).intValue() * 10;
getViewer().update(element, null);
}
@Override
protected Object getValue(Object element) {
// We need to calculate back to the index
return Integer.valueOf(((MyModel) element).counter / 10);
}
@Override
protected CellEditor getCellEditor(Object element) {
return new ComboBoxCellEditor(
v.getTable(), new String[] { "Zero", "Ten", "Twenty", "Thirty",
"Fourty", "Fifty", "Sixty", "Seventy", "Eighty",
"Ninety" });
}
@Override
protected boolean canEdit(Object element) {
return true;
}
});
v.setInput(createModel());
v.getTable().setLinesVisible(true);
v.getTable().setHeaderVisible(true);
}
private List<MyModel> createModel() {
List<MyModel> elements = new ArrayList<>();
for (int i = 0; i < 10; i++) {
elements.add(new MyModel(i * 10));
}
return elements;
}
/**
* @param args
*/
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
new Snippet027ComboBoxCellEditors(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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