org.eclipse.jface.snippets.viewers.Snippet024TableViewerExploreNewAPI.java Source code

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Here is the source code for org.eclipse.jface.snippets.viewers.Snippet024TableViewerExploreNewAPI.java

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/*******************************************************************************
 * Copyright (c) 2006, 2014 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
 *     Jeanderson Candido <http://jeandersonbc.github.io> - Bug 414565
 *******************************************************************************/

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.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;

/**
 * Example usage of ITableLabelProvider using images and labels
 *
 * @author Tom Schindl &lt;tom.schindl@bestsolution.at&gt;
 *
 */
public class Snippet024TableViewerExploreNewAPI {

    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;
        }

    }

    protected abstract class AbstractEditingSupport extends EditingSupport {
        private TextCellEditor editor;

        public AbstractEditingSupport(TableViewer viewer) {
            super(viewer);
            this.editor = new TextCellEditor(viewer.getTable());
        }

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

        @Override
        protected CellEditor getCellEditor(Object element) {
            return editor;
        }

        @Override
        protected void setValue(Object element, Object value) {
            doSetValue(element, value);
            getViewer().update(element, null);
        }

        protected abstract void doSetValue(Object element, Object value);
    }

    public Snippet024TableViewerExploreNewAPI(Shell shell) {
        TableViewer v = new TableViewer(shell, SWT.BORDER | SWT.FULL_SELECTION);
        v.setContentProvider(ArrayContentProvider.getInstance());

        TableViewerColumn column = createColumnFor(v, "Givenname");
        column.setLabelProvider(new ColumnLabelProvider() {

            @Override
            public String getText(Object element) {
                return ((Person) element).givenname;
            }
        });

        column.setEditingSupport(new AbstractEditingSupport(v) {

            @Override
            protected Object getValue(Object element) {
                return ((Person) element).givenname;
            }

            @Override
            protected void doSetValue(Object element, Object value) {
                ((Person) element).givenname = value.toString();
            }

        });

        column = createColumnFor(v, "Surname");
        column.setLabelProvider(new ColumnLabelProvider() {

            @Override
            public String getText(Object element) {
                return ((Person) element).surname;
            }

        });

        column.setEditingSupport(new AbstractEditingSupport(v) {

            @Override
            protected Object getValue(Object element) {
                return ((Person) element).surname;
            }

            @Override
            protected void doSetValue(Object element, Object value) {
                ((Person) element).surname = value.toString();
            }

        });

        column = createColumnFor(v, "E-Mail");
        column.setLabelProvider(new ColumnLabelProvider() {

            @Override
            public String getText(Object element) {
                return ((Person) element).email;
            }

        });

        column.setEditingSupport(new AbstractEditingSupport(v) {

            @Override
            protected Object getValue(Object element) {
                return ((Person) element).email;
            }

            @Override
            protected void doSetValue(Object element, Object value) {
                ((Person) element).email = value.toString();
            }

        });

        v.setInput(createModel());
        v.getTable().setLinesVisible(true);
        v.getTable().setHeaderVisible(true);
    }

    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 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("Wayne", "Beaton", "wayne@eclipse.org"),
                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 Snippet024TableViewerExploreNewAPI(shell);
        shell.open();

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

}