org.eclipse.tm.te.tcf.ui.internal.navigator.LabelProviderDelegate.java Source code

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Here is the source code for org.eclipse.tm.te.tcf.ui.internal.navigator.LabelProviderDelegate.java

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/*******************************************************************************
 * Copyright (c) 2011 Wind River Systems, Inc. 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:
 * Wind River Systems - initial API and implementation
 *******************************************************************************/
package org.eclipse.tm.te.tcf.ui.internal.navigator;

import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.viewers.ILabelDecorator;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;
import org.eclipse.tm.tcf.protocol.IPeer;
import org.eclipse.tm.tcf.protocol.Protocol;
import org.eclipse.tm.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tm.te.tcf.ui.activator.UIPlugin;
import org.eclipse.tm.te.tcf.ui.internal.ImageConsts;
import org.eclipse.tm.te.tcf.ui.internal.navigator.images.PeerImageDescriptor;
import org.eclipse.tm.te.ui.jface.images.AbstractImageDescriptor;

/**
 * Label provider delegate implementation.
 */
public class LabelProviderDelegate extends LabelProvider implements ILabelDecorator {

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
     */
    @Override
    public String getText(Object element) {
        if (element instanceof IPeerModel) {
            String label = null;

            final IPeer peer = ((IPeerModel) element).getPeer();
            final String[] peerName = new String[1];
            if (Protocol.isDispatchThread()) {
                peerName[0] = peer.getName();
            } else {
                Protocol.invokeAndWait(new Runnable() {
                    @Override
                    public void run() {
                        peerName[0] = peer.getName();
                    }
                });
            }
            label = peerName[0];

            if (label != null && !"".equals(label.trim())) { //$NON-NLS-1$
                return label;
            }
        }

        return ""; //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object)
     */
    @Override
    public Image getImage(Object element) {
        if (element instanceof IPeerModel) {
            return UIPlugin.getImage(ImageConsts.TARGET);
        }

        return super.getImage(element);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ILabelDecorator#decorateImage(org.eclipse.swt.graphics.Image, java.lang.Object)
     */
    @Override
    public Image decorateImage(Image image, Object element) {
        Image decoratedImage = null;

        if (image != null && element instanceof IPeerModel) {
            AbstractImageDescriptor descriptor = new PeerImageDescriptor(UIPlugin.getDefault().getImageRegistry(),
                    image, (IPeerModel) element);
            decoratedImage = UIPlugin.getSharedImage(descriptor);
        }

        return decoratedImage;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ILabelDecorator#decorateText(java.lang.String, java.lang.Object)
     */
    @Override
    public String decorateText(String text, Object element) {
        if (element instanceof IPeerModel) {
            String label = text;

            final IPeer peer = ((IPeerModel) element).getPeer();
            final StringBuilder builder = new StringBuilder(
                    label != null && !"".equals(label.trim()) ? label.trim() : "<noname>"); //$NON-NLS-1$ //$NON-NLS-2$
            if (Protocol.isDispatchThread()) {
                doDecorateText(builder, peer);
            } else {
                Protocol.invokeAndWait(new Runnable() {
                    @Override
                    public void run() {
                        doDecorateText(builder, peer);
                    }
                });
            }
            label = builder.toString();

            if (label != null && !"".equals(label.trim()) && !"<noname>".equals(label.trim())) { //$NON-NLS-1$ //$NON-NLS-2$
                return label;
            }
        }
        return null;
    }

    /**
     * Decorate the text with some peer attributes.
     * <p>
     * <b>Note:</b> Must be called with the TCF event dispatch thread.
     *
     * @param builder The string builder to decorate. Must not be <code>null</code>.
     * @param peer The peer. Must not be <code>null</code>.
     */
    /* default */ void doDecorateText(StringBuilder builder, IPeer peer) {
        Assert.isNotNull(builder);
        Assert.isNotNull(peer);
        Assert.isTrue(Protocol.isDispatchThread());

        String osName = peer.getOSName();

        if (osName != null && !"".equals(osName.trim())) { //$NON-NLS-1$
            builder.append(" [" + osName.trim() + "]"); //$NON-NLS-1$ //$NON-NLS-2$
        }

        String ip = peer.getAttributes().get(IPeer.ATTR_IP_HOST);
        String port = peer.getAttributes().get(IPeer.ATTR_IP_PORT);

        if (ip != null && !"".equals(ip.trim())) { //$NON-NLS-1$
            builder.append(" @ "); //$NON-NLS-1$
            builder.append(ip.trim());

            if (port != null && !"".equals(port.trim()) && !"1534".equals(port.trim())) { //$NON-NLS-1$ //$NON-NLS-2$
                builder.append(":"); //$NON-NLS-1$
                builder.append(port.trim());
            }
        }

    }
}