com.aptana.ui.properties.NaturesLabelProvider.java Source code

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Here is the source code for com.aptana.ui.properties.NaturesLabelProvider.java

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the Eclipse Public License (EPL).
 * Please see the license-epl.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.ui.properties;

import java.util.Map;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.ui.internal.OverlayIcon;
import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
import org.eclipse.ui.plugin.AbstractUIPlugin;

import com.aptana.core.util.StringUtil;
import com.aptana.ui.epl.UIEplPlugin;

@SuppressWarnings("restriction")
public class NaturesLabelProvider extends LabelProvider implements IFontProvider {

    private static final ImageDescriptor APTANA_NATURE_IMAGE = AbstractUIPlugin
            .imageDescriptorFromPlugin(UIEplPlugin.PLUGIN_ID, "icons/aptana_nature.gif"); //$NON-NLS-1$;
    private static final ImageDescriptor EMPTY_IMAGE = AbstractUIPlugin
            .imageDescriptorFromPlugin(UIEplPlugin.PLUGIN_ID, "icons/transparent_16x16.png"); //$NON-NLS-1$;

    // a map between nature id and its text description
    private Map<String, String> fNatureDescriptions;
    private String fPrimaryNature;

    public NaturesLabelProvider(Map<String, String> natureDescriptions) {
        fNatureDescriptions = natureDescriptions;
    }

    @Override
    public String getText(Object element) {
        String description = fNatureDescriptions.get(element.toString());
        if (description == null) {
            return StringUtil.EMPTY;
        }
        if (isPrimary(element.toString())) {
            description += EplMessages.ProjectNaturesPage_LBL_Primary;
        }
        return description;
    }

    @Override
    public Image getImage(Object element) {

        String nature = element.toString();
        OverlayIcon oi = null;
        ImageData id = EMPTY_IMAGE.getImageData();

        try {
            ImageDescriptor d = IDEWorkbenchPlugin.getDefault().getProjectImageRegistry()
                    .getNatureImage(element.toString());
            oi = new CenterIcon(EMPTY_IMAGE, d, new Point(id.width, id.height));
        } catch (Exception e) {
            oi = new CenterIcon(EMPTY_IMAGE, APTANA_NATURE_IMAGE, new Point(id.width, id.height));
        }

        if (UIEplPlugin.getDefault().getImageRegistry().get(nature) == null) {
            if (oi != null) {
                UIEplPlugin.getDefault().getImageRegistry().put(nature, oi.createImage());
            }
        }
        return UIEplPlugin.getDefault().getImageRegistry().get(nature);

    }

    public Font getFont(Object element) {
        // make the primary nature bold
        return isPrimary(element.toString()) ? JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)
                : null;
    }

    private static class CenterIcon extends OverlayIcon {
        public CenterIcon(ImageDescriptor base, ImageDescriptor overlay, Point size) {
            super(base, overlay, size);
        }

        protected void drawTopRight(ImageDescriptor overlay) {
            if (overlay == null) {
                return;
            }
            int x = getSize().x / 2;
            int y = getSize().y / 2;
            ImageData id = overlay.getImageData();
            x -= id.width / 2;
            y -= id.height / 2;
            drawImage(id, x, y);
        }

    }

    public void setPrimaryNature(String primary) {
        fPrimaryNature = primary;
    }

    private boolean isPrimary(String nature) {
        return fPrimaryNature != null && fPrimaryNature.equals(nature);
    }
}