org.eclipse.mylyn.internal.commons.identity.ui.PersonLabelProvider.java Source code

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Here is the source code for org.eclipse.mylyn.internal.commons.identity.ui.PersonLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2011 Tasktop Technologies.
 * 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:
 *     Tasktop Technologies - initial API and implementation
 *******************************************************************************/

package org.eclipse.mylyn.internal.commons.identity.ui;

import java.io.ByteArrayInputStream;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.mylyn.commons.identity.core.Account;
import org.eclipse.mylyn.commons.identity.core.IIdentity;
import org.eclipse.mylyn.commons.identity.core.IProfile;
import org.eclipse.mylyn.commons.identity.core.IProfileImage;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.internal.WorkbenchImages;

/**
 * @author Steffen Pingel
 */
public class PersonLabelProvider extends LabelProvider {

    private static final int IMAGE_SIZE = 16;

    ImageRegistry registry = new ImageRegistry();

    @Override
    public void dispose() {
        registry.dispose();
        super.dispose();
    }

    @Override
    public Image getImage(Object object) {
        if (object instanceof PeopleCategory) {
            return WorkbenchImages.getImage(ISharedImages.IMG_OBJ_FOLDER);
        } else if (object instanceof IIdentity) {
            IIdentity identity = (IIdentity) object;
            Image image = registry.get(identity.getId().toString());
            if (image == null) {
                Future<IProfileImage> result = identity.requestImage(IMAGE_SIZE, IMAGE_SIZE);
                if (result.isDone()) {
                    try {
                        IProfileImage profileImage = result.get(0, TimeUnit.SECONDS);
                        if (profileImage != null) {
                            ImageData data = new ImageData(new ByteArrayInputStream(profileImage.getData()));
                            if (data.width != IMAGE_SIZE || data.height != IMAGE_SIZE) {
                                data = data.scaledTo(IMAGE_SIZE, IMAGE_SIZE);
                            }
                            registry.put(identity.getId().toString(), ImageDescriptor.createFromImageData(data));
                            image = registry.get(identity.getId().toString());
                        }
                    } catch (Exception e) {
                        // ignore
                    }
                }
            }
            return image;
        }
        return null;
    }

    @Override
    public String getText(Object object) {
        if (object instanceof IIdentity) {
            IIdentity identity = (IIdentity) object;
            Future<IProfile> result = identity.requestProfile();
            if (result.isDone()) {
                try {
                    IProfile profile = result.get(0, TimeUnit.SECONDS);
                    if (profile.getName() != null) {
                        return profile.getName();
                    } else if (profile.getEmail() != null) {
                        return profile.getEmail();
                    }
                } catch (Exception e) {
                    // ignore
                }
            }
            //return identity.getAccounts()[0].getId();
            return identity.getId().toString();
        } else if (object instanceof Account) {
            Account account = (Account) object;
            if (account.getName() != null) {
                return account.getName() + " <" + account.getId() + ">"; //$NON-NLS-1$ //$NON-NLS-2$
            } else {
                return account.getId();
            }
        }
        return null;
    }

}