IssueLinkAdderPerson.java

package org.nightlabs.jfire.issuetracking.ui.issuelink.person;

import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

import org.eclipse.jface.viewers.IOpenListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.OpenEvent;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.nightlabs.base.ui.composite.AsyncInitEvent;
import org.nightlabs.base.ui.composite.AsyncInitListener;
import org.nightlabs.jdo.NLJDOHelper;
import org.nightlabs.jdo.ObjectID;
import org.nightlabs.jfire.base.ui.person.search.PersonSearchComposite;
import org.nightlabs.jfire.base.ui.person.search.PersonSearchUseCaseConstants;
import org.nightlabs.jfire.issue.Issue;
import org.nightlabs.jfire.issue.IssueLink;
import org.nightlabs.jfire.issue.IssueLinkType;
import org.nightlabs.jfire.issuetracking.ui.issuelink.AbstractIssueLinkAdder;
import org.nightlabs.jfire.person.Person;
import org.nightlabs.jfire.prop.PropertySet;
import org.nightlabs.progress.ProgressMonitor;

/**
 *
 * @author Chairat Kongarayawetchakun - chairat at nightlabs dot de
 *
 */
public class IssueLinkAdderPerson
extends AbstractIssueLinkAdder
{
	private PersonSearchComposite personSearchComposite;
	/**
	 * Constructs an issue-issue link adder.
	 */
	public IssueLinkAdderPerson() {
	}

	@Override
	protected Composite doCreateComposite(Composite parent) {
		personSearchComposite = new PersonSearchComposite(parent, SWT.NONE, "", PersonSearchUseCaseConstants.USE_CASE_ID_DEFAULT); //$NON-NLS-1$
//		personSearchComposite.addPaintListener(new PaintListener() {
//			@Override
//			public void paintControl(PaintEvent e) {
//				personSearchComposite.getResultViewer().addOpenListener(new IOpenListener() {
//					@Override
//					public void open(OpenEvent e) {
//						notifyIssueLinkDoubleClickListeners();
//					}
//				});
//				personSearchComposite.getResultViewer().addSelectionChangedListener(new ISelectionChangedListener() {
//					public void selectionChanged(SelectionChangedEvent e) {
//						fireSelectionChangedEvent();
//					}
//				});
//			}
//		});
		
		// There is no paint-listener in RAP. Introduced a new AsyncInitListener. And btw. the above code 
		// was called too often as paint-events are triggered pretty often! It should be called only once IMHO. Marco :-)

		personSearchComposite.addAsyncInitListener(new AsyncInitListener() {
			@Override
			public void initialised(AsyncInitEvent event)
			{
				personSearchComposite.getResultViewer().addOpenListener(new IOpenListener() {
					@Override
					public void open(OpenEvent e) {
						notifyIssueLinkDoubleClickListeners();
					}
				});
				personSearchComposite.getResultViewer().addSelectionChangedListener(new ISelectionChangedListener() {
					public void selectionChanged(SelectionChangedEvent e) {
						fireSelectionChangedEvent();
					}
				});

				personSearchComposite.createSearchButton(personSearchComposite.getButtonBar());
				personSearchComposite.layout(true, true);
//				createSearchButton(buttonBar);
			}
		});
		return personSearchComposite;
	}

//	private Button createSearchButton(Composite parent) {
//		Button searchButton = new Button(parent, SWT.PUSH);
//		searchButton.setText(Messages.getString("org.nightlabs.jfire.issuetracking.ui.issuelink.person.IssueLinkAdderPerson.searchButton.text")); //$NON-NLS-1$
//		searchButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
//		searchButton.addSelectionListener(new SelectionAdapter() {
//			@Override
//			public void widgetSelected(SelectionEvent e) {
//				doSearch();
//			}
//		});
//		parent.layout(true);
//		return searchButton;
//	}

	@Override
	protected void doSearch() {
		personSearchComposite.performSearch();
	}

	/**
	 *
	 */
	public Set<ObjectID> getLinkedObjectIDs() {
		Collection<Person> elements = (Collection<Person>) personSearchComposite.getResultViewer().getSelectedElements();
		return NLJDOHelper.getObjectIDSet(elements);
	}

	/**
	 *
	 * @return
	 */
	public boolean isComplete() {
		if (personSearchComposite == null)
			return false;
		return !personSearchComposite.getResultViewer().getSelectedElements().isEmpty();
	}

	@Override
	public Set<IssueLink> createIssueLinks(
			Issue issue,
			IssueLinkType issueLinkType,
			ProgressMonitor monitor)
	{
		Set<IssueLink> issueLinks = new HashSet<IssueLink>();
		for (PropertySet linkedPerson : personSearchComposite.getResultViewer().getSelectedElements()) {
			issueLinks.add(
					issue.createIssueLink(issueLinkType, linkedPerson));
		}
		return issueLinks;
	}
}