org.eclipse.e4.tutorial.contacts.views.ListView.java Source code

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Here is the source code for org.eclipse.e4.tutorial.contacts.views.ListView.java

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/*******************************************************************************
 * Copyright (c) 2010 Kai Toedter 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:
 *     Kai Toedter - initial implementation
 ******************************************************************************/

package org.eclipse.e4.tutorial.contacts.views;

import javax.inject.Inject;

import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.observable.map.IObservableMap;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.tutorial.contacts.model.Contact;
import org.eclipse.e4.tutorial.contacts.model.ContactsRepository;
import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
import org.eclipse.jface.databinding.viewers.ObservableListContentProvider;
import org.eclipse.jface.databinding.viewers.ObservableMapLabelProvider;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.layout.TableColumnLayout;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;

public class ListView {

    private TableViewer tableViewer;

    @Inject
    private ESelectionService selectionService;

    @Inject
    public ListView(Composite parent, ContactsRepository contactsRepository) {
        // Table composite (because of TableColumnLayout)
        final Composite tableComposite = new Composite(parent, SWT.NONE);
        tableComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        final TableColumnLayout tableColumnLayout = new TableColumnLayout();
        tableComposite.setLayout(tableColumnLayout);

        // Table viewer
        tableViewer = new TableViewer(tableComposite, SWT.FULL_SELECTION);
        tableViewer.getTable().setHeaderVisible(true);

        // first name column
        final TableViewerColumn firstNameColumn = new TableViewerColumn(tableViewer, SWT.NONE);
        firstNameColumn.getColumn().setText("First Name");
        tableColumnLayout.setColumnData(firstNameColumn.getColumn(), new ColumnWeightData(40));

        // last name column
        final TableViewerColumn lastNameColumn = new TableViewerColumn(tableViewer, SWT.NONE);
        lastNameColumn.getColumn().setText("Last Name");
        tableColumnLayout.setColumnData(lastNameColumn.getColumn(), new ColumnWeightData(40));

        ObservableListContentProvider contentProvider = new ObservableListContentProvider();

        tableViewer.setContentProvider(contentProvider);

        IObservableMap[] attributes = BeansObservables.observeMaps(contentProvider.getKnownElements(),
                Contact.class, new String[] { "firstName", "lastName" });
        tableViewer.setLabelProvider(new ObservableMapLabelProvider(attributes));

        tableViewer.setInput(contactsRepository.getAllContacts());

        GridLayoutFactory.fillDefaults().generateLayout(parent);

        tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
            @Override
            public void selectionChanged(SelectionChangedEvent event) {
                IStructuredSelection selection = (IStructuredSelection) event.getSelection();
                selectionService.setSelection(selection.getFirstElement());
            }
        });
    }
}