org.eclipse.pde.ds.ui.internal.editor.ServicesPage.java Source code

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Here is the source code for org.eclipse.pde.ds.ui.internal.editor.ServicesPage.java

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/**
 * Copyright (c) 2009 Anyware Technologies 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:
 *     Anyware Technologies - initial API and implementation
 *
 * $Id: ServicesPage.java,v 1.5 2009/07/28 16:23:51 bcabe Exp $
 */
package org.eclipse.pde.ds.ui.internal.editor;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.edit.command.*;
import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.jface.databinding.viewers.ViewerProperties;
import org.eclipse.jface.viewers.*;
import org.eclipse.pde.ds.scr.*;
import org.eclipse.pde.ds.ui.internal.editor.masterdetail.ServicesMasterDetail;
import org.eclipse.pde.emfforms.editor.AbstractEmfFormPage;
import org.eclipse.pde.emfforms.editor.EmfFormEditor;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Composite;

public class ServicesPage extends AbstractEmfFormPage {

    private ServicesMasterDetail _servicesMasterDetail;

    public final static String ID = "ds.services"; //$NON-NLS-1$

    public ServicesPage(EmfFormEditor<?> editor) {
        super(editor, 1, true);
    }

    public void bind(DataBindingContext bindingContext) {
        final EditingDomain editingDomain = ((DSEditor) getEditor()).getEditingDomain();

        bindingContext.bindValue(ViewerProperties.input().observe(_servicesMasterDetail.getTreeViewer()),
                getEditor().getInputObservable());

        _servicesMasterDetail.getBtnAddProvided().addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                Object sel = ((IStructuredSelection) _servicesMasterDetail.getTreeViewer().getSelection())
                        .getFirstElement();
                int idx = CommandParameter.NO_INDEX;
                if (sel != null) {
                    Object unwrappedElement = AdapterFactoryEditingDomain.unwrap(sel);
                    idx = ((Component) getEditor().getInputObservable().getValue()).getService().getProvide()
                            .indexOf(unwrappedElement);
                }

                Provide p = ScrFactory.eINSTANCE.createProvide();
                Command command = AddCommand.create(editingDomain,
                        ((Component) getEditor().getInputObservable().getValue()).getService(),
                        ScrPackage.Literals.SERVICE__PROVIDE, p, idx);
                editingDomain.getCommandStack().execute(command);

                getViewer().refresh(); // FIXME this should not be needed :/
                getViewer().setSelection(
                        new StructuredSelection(AdapterFactoryEditingDomain.getWrapper(p, editingDomain)), true);
            }
        });

        _servicesMasterDetail.getBtnAddRequired().addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                Object sel = ((IStructuredSelection) _servicesMasterDetail.getTreeViewer().getSelection())
                        .getFirstElement();
                int idx = CommandParameter.NO_INDEX;
                if (sel != null) {
                    Object unwrappedElement = AdapterFactoryEditingDomain.unwrap(sel);
                    idx = ((Component) getEditor().getInputObservable().getValue()).getReference()
                            .indexOf(unwrappedElement);
                }

                Reference r = ScrFactory.eINSTANCE.createReference();
                Command command = AddCommand.create(editingDomain, getEditor().getInputObservable().getValue(),
                        ScrPackage.Literals.COMPONENT__REFERENCE, r, idx);
                editingDomain.getCommandStack().execute(command);

                getViewer().setSelection(
                        new StructuredSelection(AdapterFactoryEditingDomain.getWrapper(r, editingDomain)), true);
            }
        });

        _servicesMasterDetail.getRemoveButton().addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                Object sel = ((IStructuredSelection) getViewer().getSelection()).getFirstElement();
                if (sel != null) {
                    Command c = DeleteCommand.create(editingDomain, sel);
                    editingDomain.getCommandStack().execute(c);
                }
            }
        });

    }

    public void createContents(Composite parent) {
        createDataMasterDetailSection(parent);
    }

    private void createDataMasterDetailSection(Composite parent) {
        _servicesMasterDetail = new ServicesMasterDetail(getEditor());
        _servicesMasterDetail.createContent(this.getManagedForm());
        // it is bad to manipulate editor here, but to manage Cut/Copy/Paste,
        // the editor shall add a listener the viewer, and this is a way for him
        // to know that viewer exists.
        ((DSEditor) getEditor()).addViewerToListenTo((StructuredViewer) getViewer());
    }

    @Override
    public String getId() {
        return ID;
    }

    @Override
    public String getPartName() {
        return Messages.ServicesPage_Title;
    }

    @Override
    public Viewer getViewer() {
        return _servicesMasterDetail.getTreeViewer();
    }

}