package org.bndtools.core.resolve.ui;
import java.util.Map.Entry;
import org.bndtools.core.ui.resource.R5LabelFormatter;
import org.bndtools.utils.jface.ImageCachingLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.graphics.Image;
import org.osgi.resource.Namespace;
import org.osgi.resource.Requirement;
import org.osgi.resource.Resource;
import bndtools.Plugin;
public class ResolutionTreeLabelProvider extends ImageCachingLabelProvider {
public ResolutionTreeLabelProvider() {
super(Plugin.PLUGIN_ID);
}
@Override
public void update(ViewerCell cell) {
Object element = cell.getElement();
StyledString label = new StyledString();
Image icon = null;
if (element instanceof ResolutionTreeItem) {
ResolutionTreeItem item = (ResolutionTreeItem) element;
R5LabelFormatter.appendCapability(label, item.getCapability());
// Get the icon from the capability namespace
icon = getImage(R5LabelFormatter.getNamespaceImagePath(item.getCapability().getNamespace()), true);
} else if (element instanceof Requirement) {
Requirement requirement = (Requirement) element;
if (Namespace.RESOLUTION_OPTIONAL.equals(requirement.getDirectives().get(Namespace.REQUIREMENT_RESOLUTION_DIRECTIVE)))
label.append(" OPTIONALLY", StyledString.QUALIFIER_STYLER);
label.append(" REQUIRED BY ", StyledString.QUALIFIER_STYLER);
Resource resource = requirement.getResource();
if (resource != null)
R5LabelFormatter.appendResourceLabel(label, resource);
else
label.append(" INITIAL");
label.append(" [", StyledString.QUALIFIER_STYLER);
boolean first = true;
for (Entry<String,String> entry : requirement.getDirectives().entrySet()) {
String key = entry.getKey();
if (!key.equals(Namespace.REQUIREMENT_RESOLUTION_DIRECTIVE)) {
if (!first)
label.append(",", StyledString.QUALIFIER_STYLER);
first = false;
label.append(key + ":=" + entry.getValue(), StyledString.QUALIFIER_STYLER);
}
}
label.append("]", StyledString.QUALIFIER_STYLER);
}
cell.setText(label.getString());
cell.setStyleRanges(label.getStyleRanges());
cell.setImage(icon);
}
}