Content Proposal Dialog Reopens if ENTER is used for ContentProposalAdapter's KeyStroke in RWT

[eclipse-rap]

Content Proposal Dialog Reopens if ENTER is used for ContentProposalAdapter's KeyStroke in RWT

[ifurnadjiev]

Snippet to reproduce the issue:

package main;

import org.eclipse.jface.bindings.keys.KeyStroke;
import org.eclipse.jface.fieldassist.ContentProposalAdapter;
import org.eclipse.jface.fieldassist.IContentProposal;
import org.eclipse.jface.fieldassist.IContentProposalListener;
import org.eclipse.jface.fieldassist.IContentProposalProvider;
import org.eclipse.jface.fieldassist.TextContentAdapter;
import org.eclipse.rap.rwt.application.AbstractEntryPoint;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;

@SuppressWarnings({ "javadoc", "serial" })
public class Snippet extends AbstractEntryPoint
{
    @Override
    protected void createContents(Composite parent)
    {
        new Label(parent, SWT.NONE).setText("Content Proposal KeyStroke = ENTER"); //$NON-NLS-1$
        Text enterTextField = new Text(parent, SWT.BORDER);
        ContentProposalAdapter enterContentProposalAdapter = new ContentProposalAdapter(enterTextField,
                new TextContentAdapter(), new SnippetContentProposalProvider(), KeyStroke.getInstance(SWT.CR), null);
        enterContentProposalAdapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_IGNORE);
        enterContentProposalAdapter.addContentProposalListener(new SnippetContentProposalListener());

        new Label(parent, SWT.NONE).setText("Content Proposal KeyStroke = HOME"); //$NON-NLS-1$
        Text escTextField = new Text(parent, SWT.BORDER);
        ContentProposalAdapter escContentProposalAdapter = new ContentProposalAdapter(escTextField,
                new TextContentAdapter(), new SnippetContentProposalProvider(), KeyStroke.getInstance(SWT.HOME), null);
        escContentProposalAdapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_IGNORE);
        escContentProposalAdapter.addContentProposalListener(new SnippetContentProposalListener());
    }

    private class SnippetContentProposalProvider implements IContentProposalProvider
    {
        public IContentProposal[] getProposals(String contents, int position)
        {
            return new SnippetContentProposal[] { new SnippetContentProposal("Proposal A"), //$NON-NLS-1$
                    new SnippetContentProposal("Proposal B"), new SnippetContentProposal("Proposal C") }; //$NON-NLS-1$ //$NON-NLS-2$
        }

    }

    private class SnippetContentProposal implements IContentProposal
    {
        private final String label;

        public SnippetContentProposal(String label)
        {
            this.label = label;
        }

        public String getContent()
        {
            return null;
        }

        public int getCursorPosition()
        {
            return 0;
        }

        public String getLabel()
        {
            return label;
        }

        public String getDescription()
        {
            return null;
        }

    }

    private class SnippetContentProposalListener implements IContentProposalListener
    {
        public void proposalAccepted(IContentProposal proposal)
        {
            System.out.println("Proposal Accepted: " + ((SnippetContentProposal)proposal).getLabel()); //$NON-NLS-1$
        }

    }

}