gov.redhawk.ide.spd.internal.ui.editor.wizard.ProcessorWizardPage.java Source code

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Here is the source code for gov.redhawk.ide.spd.internal.ui.editor.wizard.ProcessorWizardPage.java

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/*******************************************************************************
 * This file is protected by Copyright. 
 * Please refer to the COPYRIGHT file distributed with this source distribution.
 *
 * This file is part of REDHAWK IDE.
 *
 * 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
 *******************************************************************************/
package gov.redhawk.ide.spd.internal.ui.editor.wizard;

import gov.redhawk.ide.codegen.ICodeGeneratorDescriptor;
import gov.redhawk.ide.codegen.IProcessor;
import gov.redhawk.ide.codegen.ImplementationSettings;
import gov.redhawk.ide.codegen.RedhawkCodegenActivator;
import gov.redhawk.ui.util.EMFEmptyStringToNullUpdateValueStrategy;
import gov.redhawk.ui.validation.EmfValidationStatusProvider;

import java.util.List;

import mil.jpeojtrs.sca.spd.Processor;
import mil.jpeojtrs.sca.spd.SpdFactory;
import mil.jpeojtrs.sca.spd.SpdPackage;
import mil.jpeojtrs.sca.spd.registry.ProcessorRegistry;

import org.eclipse.emf.databinding.EMFDataBindingContext;
import org.eclipse.emf.databinding.EMFObservables;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;
import org.eclipse.emf.edit.provider.resource.ResourceItemProviderAdapterFactory;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.wizard.WizardPageSupport;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;

public class ProcessorWizardPage extends WizardPage {

    private static final String PAGE_NAME = "processorConfigPage";

    private Processor processor = SpdFactory.eINSTANCE.createProcessor();

    private final EMFDataBindingContext context = new EMFDataBindingContext();

    private WizardPageSupport pageSupport;

    private ComposedAdapterFactory adapterFactory;

    private final ImplementationSettings implSettings;

    private ComboViewer comboViewer;

    /**
     * @param pageName
     * @param title
     * @param titleImage
     * @since 2.0
     */
    public ProcessorWizardPage(final ImplementationSettings implSettings) {
        super(ProcessorWizardPage.PAGE_NAME, "New Processor", null);
        this.implSettings = implSettings;
        this.setDescription("Set values of new Processor.");
        setPageComplete(false);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void dispose() {
        super.dispose();
        this.pageSupport.dispose();
        this.context.dispose();
    }

    /**
     * @return the processor
     */
    public Processor getProcessor() {
        return this.processor;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void createControl(final Composite parent) {

        // Create an adapter factory that yields item providers.
        //
        this.adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);

        this.adapterFactory.addAdapterFactory(new ResourceItemProviderAdapterFactory());
        this.adapterFactory.addAdapterFactory(new ReflectiveItemProviderAdapterFactory());

        Label label;
        final Composite client = new Composite(parent, SWT.NULL);
        client.setLayout(new GridLayout(2, false));

        label = new Label(client, SWT.NULL);
        label.setText("Name:");
        this.comboViewer = new ComboViewer(client, SWT.DROP_DOWN | SWT.BORDER);
        this.comboViewer.getControl()
                .setLayoutData(GridDataFactory.fillDefaults().grab(true, false).span(1, 1).create());
        this.comboViewer.setContentProvider(new ArrayContentProvider());

        prepareProcessors();

        this.comboViewer.setComparator(new ViewerComparator());

        // Bind and validate
        this.context.bindValue(SWTObservables.observeText(this.comboViewer.getCombo()),
                EMFObservables.observeValue(this.processor, SpdPackage.Literals.PROCESSOR__NAME),
                new EMFEmptyStringToNullUpdateValueStrategy(), null);
        this.context.addValidationStatusProvider(
                new EmfValidationStatusProvider(this.processor, this.context, this.adapterFactory));
        this.pageSupport = WizardPageSupport.create(this, this.context);
        this.setControl(client);
    }

    /**
     * Sets the os.
     * 
     * @param os2 the os2
     */
    public void setProcessor(final Processor processor2) {
        this.processor = EcoreUtil.copy(processor2);
        this.setTitle("Edit Processor");
        this.setDescription("Edit Processor Value");
    }

    /**
     * @since 2.0
     */
    private void prepareProcessors() {
        if (this.implSettings != null) {
            final ICodeGeneratorDescriptor codeGenDesc = RedhawkCodegenActivator.getCodeGeneratorsRegistry()
                    .findCodegen(this.implSettings.getGeneratorId());
            final IProcessor[] processors = codeGenDesc.getProcessors();
            final List<String> tempProc = ProcessorRegistry.getProcessorNames();

            for (final IProcessor temp : processors) {
                if (!tempProc.contains(temp.getProcessorType())) {
                    tempProc.add(temp.getProcessorType());
                }
            }
            this.comboViewer.setInput(tempProc);
        } else {
            this.comboViewer.setInput(ProcessorRegistry.getProcessorNames());
        }
    }
}