/*******************************************************************************
* Copyright (c) 2007, 2016 Tom Schindl and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Tom Schindl<tom.schindl@bestsolution.at> - initial API and implementation
* Wayne Beaton - bug 185540
* Lars Vogel <Lars.Vogel@vogella.com> - Bug 413427, 475361, 489234
* 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.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.jface.viewers.TextCellEditor;
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;
/**
* Snippet to present editor different CellEditors within one column in 3.2
* for 3.3 and above please use the new EditingSupport class
*
* @author Tom Schindl <tom.schindl@bestsolution.at>
*
*/
public class Snippet034CellEditorPerRow {
private class MyEditingSupport extends EditingSupport {
private CellEditor textEditor;
private CellEditor dropDownEditor;
public MyEditingSupport(TableViewer viewer) {
super(viewer);
textEditor = new TextCellEditor(viewer.getTable());
String[] elements = new String[10];
for (int i = 0; i < 10; i++) {
elements[i] = i+"";
}
dropDownEditor = new ComboBoxCellEditor(viewer.getTable(),elements);
}
@Override
protected boolean canEdit(Object element) {
return ((MyModel) element).counter % 2 == 0;
}
@Override
protected CellEditor getCellEditor(Object element) {
if( element instanceof MyModel2 ) {
return dropDownEditor;
} else {
return textEditor;
}
}
@Override
protected Object getValue(Object element) {
if( element instanceof MyModel2 ) {
return Integer.valueOf(((MyModel) element).counter);
} else {
return ((MyModel) element).counter + "";
}
}
@Override
protected void setValue(Object element, Object value) {
((MyModel)element).counter = Integer.parseInt(value.toString());
getViewer().update(element, null);
}
}
public class MyModel {
public int counter;
public MyModel(int counter) {
this.counter = counter;
}
@Override
public String toString() {
return "Item " + this.counter;
}
}
public class MyModel2 extends MyModel {
public MyModel2(int counter) {
super(counter);
}
@Override
public String toString() {
return "Special Item " + this.counter;
}
}
public Snippet034CellEditorPerRow(Shell shell) {
final Table table = new Table(shell, SWT.BORDER | SWT.FULL_SELECTION);
final TableViewer v = new TableViewer(table);
v.getTable().setLinesVisible(true);
TableViewerColumn column = new TableViewerColumn(v, SWT.NONE);
column.getColumn().setWidth(200);
column.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(Object element) {
return element.toString();
}
});
column.setEditingSupport(new MyEditingSupport(v));
v.setContentProvider(ArrayContentProvider.getInstance());
v.setInput(createModel());
}
private List<MyModel> createModel() {
List<MyModel> elements = new ArrayList<>();
for (int i = 0; i < 10; i++) {
elements.add(new MyModel(i));
}
for (int i = 0; i < 10; i++) {
elements.add(new MyModel2(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 Snippet034CellEditorPerRow(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}