/*******************************************************************************
* Copyright (c) 2006, 2014 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 - initial API and implementation
* Jeanderson Candido <http://jeandersonbc.github.io> - Bug 414565
*******************************************************************************/
package org.eclipse.jface.snippets.viewers;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.util.ConfigureColumns;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ColumnLabelProvider;
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.jface.window.SameShellProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
/**
* Explore the new API added in 3.3 and see how easily you can create reusable
* components
*
* @author Tom Schindl <tom.schindl@bestsolution.at>
* @since 3.2
*/
public class Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI {
public class Person {
public String givenname;
public String surname;
public String email;
public Person(String givenname, String surname, String email) {
this.givenname = givenname;
this.surname = surname;
this.email = email;
}
}
private class GivenNameLabelProvider extends ColumnLabelProvider {
@Override
public String getText(Object element) {
return ((Person) element).givenname;
}
}
private class GivenNameEditing extends EditingSupport {
private TextCellEditor cellEditor;
public GivenNameEditing(TableViewer viewer) {
super(viewer);
cellEditor = new TextCellEditor(viewer.getTable());
}
@Override
protected boolean canEdit(Object element) {
return true;
}
@Override
protected CellEditor getCellEditor(Object element) {
return cellEditor;
}
@Override
protected Object getValue(Object element) {
return ((Person) element).givenname;
}
@Override
protected void setValue(Object element, Object value) {
((Person) element).givenname = value.toString();
getViewer().update(element, null);
}
}
private class SurNameLabelProvider extends ColumnLabelProvider {
@Override
public String getText(Object element) {
return ((Person) element).surname;
}
}
private class SurNameEditing extends EditingSupport {
private TextCellEditor cellEditor;
public SurNameEditing(TableViewer viewer) {
super(viewer);
cellEditor = new TextCellEditor(viewer.getTable());
}
@Override
protected boolean canEdit(Object element) {
return true;
}
@Override
protected CellEditor getCellEditor(Object element) {
return cellEditor;
}
@Override
protected Object getValue(Object element) {
return ((Person) element).surname;
}
@Override
protected void setValue(Object element, Object value) {
((Person) element).surname = value.toString();
getViewer().update(element, null);
}
}
private class EmailLabelProvider extends ColumnLabelProvider {
@Override
public String getText(Object element) {
return ((Person) element).email;
}
}
private class EmailEditing extends EditingSupport {
private TextCellEditor cellEditor;
public EmailEditing(TableViewer viewer) {
super(viewer);
cellEditor = new TextCellEditor(viewer.getTable());
}
@Override
protected boolean canEdit(Object element) {
return true;
}
@Override
protected CellEditor getCellEditor(Object element) {
return cellEditor;
}
@Override
protected Object getValue(Object element) {
return ((Person) element).email;
}
@Override
protected void setValue(Object element, Object value) {
((Person) element).email = value.toString();
getViewer().update(element, null);
}
}
private int activeColumn = -1;
private TableViewerColumn column;
public Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI(Shell shell) {
final TableViewer v = new TableViewer(shell, SWT.BORDER
| SWT.FULL_SELECTION);
TableViewerColumn column1 = createColumnFor(v, "Givenname");
column1.setLabelProvider(new GivenNameLabelProvider());
column1.setEditingSupport(new GivenNameEditing(v));
TableViewerColumn column2 = createColumnFor(v, "Surname");
column2.setLabelProvider(new SurNameLabelProvider());
column2.setEditingSupport(new SurNameEditing(v));
v.setContentProvider(ArrayContentProvider.getInstance());
v.setInput(createModel());
v.getTable().setLinesVisible(true);
v.getTable().setHeaderVisible(true);
addMenu(v);
triggerColumnSelectedColumn(v);
}
private TableViewerColumn createColumnFor(TableViewer viewer, String label) {
TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
column.getColumn().setWidth(200);
column.getColumn().setText(label);
column.getColumn().setMoveable(true);
return column;
}
private void triggerColumnSelectedColumn(final TableViewer v) {
v.getTable().addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(MouseEvent e) {
int x = 0;
for (int i = 0; i < v.getTable().getColumnCount(); i++) {
x += v.getTable().getColumn(i).getWidth();
if (e.x <= x) {
activeColumn = i;
break;
}
}
}
});
}
private void removeEmailColumn(TableViewer v) {
column.getColumn().dispose();
v.refresh();
}
private void addEmailColumn(TableViewer v, int columnIndex) {
column = new TableViewerColumn(v, SWT.NONE, columnIndex);
column.setLabelProvider(new EmailLabelProvider());
column.setEditingSupport(new EmailEditing(v));
column.getColumn().setText("E-Mail");
column.getColumn().setResizable(false);
v.refresh();
column.getColumn().setWidth(200);
}
private void addMenu(final TableViewer v) {
final MenuManager mgr = new MenuManager();
final Action insertEmailBefore = new Action("Insert E-Mail before") {
@Override
public void run() {
addEmailColumn(v, activeColumn);
}
};
final Action insertEmailAfter = new Action("Insert E-Mail after") {
@Override
public void run() {
addEmailColumn(v, activeColumn + 1);
}
};
final Action removeEmail = new Action("Remove E-Mail") {
@Override
public void run() {
removeEmailColumn(v);
}
};
final Action configureColumns = new Action("Configure Columns...") {
@Override
public void run() {
ConfigureColumns.forTable(v.getTable(),
new SameShellProvider(v.getControl()));
}
};
mgr.setRemoveAllWhenShown(true);
mgr.addMenuListener(new IMenuListener() {
@Override
public void menuAboutToShow(IMenuManager manager) {
if (v.getTable().getColumnCount() == 2) {
manager.add(insertEmailBefore);
manager.add(insertEmailAfter);
} else {
manager.add(removeEmail);
}
manager.add(configureColumns);
}
});
v.getControl().setMenu(mgr.createContextMenu(v.getControl()));
}
private Person[] createModel() {
return new Person[] {
new Person("Tom", "Schindl", "tom.schindl@bestsolution.at"),
new Person("Boris", "Bokowski", "boris_bokowski@ca.ibm.com"),
new Person("Tod", "Creasey", "tod_creasey@ca.ibm.com"),
new Person("Lars", "Vogel", "lars.vogel@gmail.com"),
new Person("Hendrik", "Still", "hendrik.still@vogella.com"),
new Person("Jeanderson", "Candido", "jeandersonbc@gmail.com") };
}
/**
* @param args
*/
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
new Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}