package org.cfeclipse.cfml.frameworks.decorators;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.cfeclipse.cfml.frameworks.Activator;
import org.cfeclipse.cfml.frameworks.util.FWXImages;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.QualifiedName;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IDecoration;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ILightweightLabelDecorator;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.LabelProviderChangedEvent;
import org.eclipse.ui.IDecoratorManager;
public class ConfigFileDecorator extends LabelProvider implements
ILightweightLabelDecorator {
private final List<ILabelProviderListener> listeners = new ArrayList<ILabelProviderListener>();
public final static String ID = "org.cfeclipse.cfml.frameworks.decorator";
private Log logger = LogFactory.getLog(ConfigFileDecorator.class);
public static ConfigFileDecorator getConfigFileDecorator() {
IDecoratorManager decoratorManager = Activator.getDefault().getWorkbench().getDecoratorManager();
if (decoratorManager.getEnabled(ID)) {
return (ConfigFileDecorator) decoratorManager.getBaseLabelProvider(ID);
}
return null;
}
public void decorate(Object element, IDecoration decoration) {
if (element instanceof IResource) {
IResource selResource = (IResource) element;
if(selResource.exists() && selResource.isAccessible()) {
String isConfig = "false";
try {
isConfig = selResource.getPersistentProperty(new QualifiedName("", "isFrameworkConfig"));
} catch (CoreException e) {
e.printStackTrace();
}
ImageDescriptor linkImage = FWXImages.getImageDescriptor(FWXImages.GENERAL_OBJECTS,
FWXImages.DEC_CONFIG);
if (isConfig != null && isConfig.equals("true")) {
if (linkImage != null) {
decoration.addOverlay(linkImage);
}
}
}
}
}
public void addListener(ILabelProviderListener listener) {
if (!listeners.contains(listener)) {
listeners.add(listener);
}
}
public void dispose() {
listeners.clear();
}
public boolean isLabelProperty(Object element, String property) {
// TODO Auto-generated method stub
return true;
}
public void removeListener(ILabelProviderListener listener) {
listeners.remove(listener);
}
public void refresh() {
logger.debug("Being called to refrehs, I shall do my duty!");
ConfigFileDecorator decorator = getConfigFileDecorator();
Iterator<ILabelProviderListener> iterator = listeners.iterator();
while (iterator.hasNext()) {
ILabelProviderListener listener = (ILabelProviderListener) iterator.next();
listener.labelProviderChanged(new LabelProviderChangedEvent(decorator));
}
}
}