com.rcpcompany.uibindings.tests.views.TestView.java Source code

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Here is the source code for com.rcpcompany.uibindings.tests.views.TestView.java

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/*******************************************************************************
 * Copyright (c) 2006-2013 The RCP Company 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:
 *     The RCP Company - initial API and implementation
 *******************************************************************************/
package com.rcpcompany.uibindings.tests.views;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.databinding.EMFObservables;
import org.eclipse.emf.databinding.EMFUpdateValueStrategy;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.part.ViewPart;
import org.eclipse.ui.progress.IWorkbenchSiteProgressService;

import com.rcpcompany.uibinding.tests.model.TestModelFactory;
import com.rcpcompany.uibinding.tests.model.TestModelPackage;
import com.rcpcompany.uibinding.tests.model.TestObject;

public class TestView extends ViewPart {

    private Composite myBody;
    private TestObject myObject;
    private Text myText;

    /**
     * Constructs and returns a new view.
     */
    public TestView() {
    }

    @Override
    public void createPartControl(Composite parent) {
        final Composite body = new Composite(parent, SWT.NONE);
        body.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        body.setLayout(new GridLayout(2, false));

        final Label label = new Label(body, SWT.NONE);
        label.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
        label.setText("Field:");

        final TestObject myTestObject = TestModelFactory.eINSTANCE.getTestContainer().getChildren().get(0);
        final Text text = new Text(body, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
        text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
        text.setText("");

        myTestObject.eAdapters().add(new AdapterImpl() {
            @Override
            public void notifyChanged(Notification msg) {
                super.notifyChanged(msg);
                if (msg.getFeature() == TestModelPackage.Literals.TEST_OBJECT__TEXT) {
                    text.getDisplay().asyncExec(new Runnable() {
                        @Override
                        public void run() {
                            text.setText(myTestObject.getText());
                        }
                    });
                }
            }
        });
        text.setText(myTestObject.getText());

        text.addModifyListener(new ModifyListener() {
            @Override
            public void modifyText(ModifyEvent e) {
                myTestObject.setText(text.getText());
            }
        });
    }

    public void createPartControl2(Composite parent) {
        myBody = new Composite(parent, SWT.NONE);

        final IWorkbenchSiteProgressService service = (IWorkbenchSiteProgressService) getSite()
                .getService(IWorkbenchSiteProgressService.class);
        service.schedule(new Job("Fetch data for " + getTitle()) {
            @Override
            protected IStatus run(IProgressMonitor monitor) {
                fetchData();
                myBody.getDisplay().asyncExec(new Runnable() {
                    @Override
                    public void run() {
                        bindUI();
                    }
                });
                return Status.OK_STATUS;
            }
        });
        myBody.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        myBody.setLayout(new GridLayout(2, false));

        final Label label = new Label(myBody, SWT.NONE);
        label.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
        label.setText("Field:");

        myObject = TestModelFactory.eINSTANCE.getTestContainer().getChildren().get(0);
        myText = new Text(myBody, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
        myText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
        myText.setText("");
    }

    protected void fetchData() {
        // ...
    }

    protected void bindUI() {
        final DataBindingContext c = new DataBindingContext();

        final UpdateValueStrategy modelToTarget = new EMFUpdateValueStrategy();
        final UpdateValueStrategy targetToModel = new EMFUpdateValueStrategy();

        c.bindValue(SWTObservables.observeText(myText, SWT.Modify),
                EMFObservables.observeValue(myObject, TestModelPackage.Literals.TEST_OBJECT__TEXT), targetToModel,
                modelToTarget);
    }

    @Override
    public void showBusy(boolean busy) {
        myBody.setEnabled(!busy);
        super.showBusy(busy);
    }

    @Override
    public void setFocus() {
        // TODO Auto-generated method stub

    }

    private void initializeToolBar() {
        final IToolBarManager toolBarManager = getViewSite().getActionBars().getToolBarManager();
    }
}