package org.cfeclipse.cfml.editors.decoration;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.cfeclipse.cfml.CFMLPlugin;
import org.cfeclipse.cfml.preferences.CFMLPreferenceConstants;
import org.cfeclipse.cfml.util.CFPluginImages;
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 URLDecorator extends LabelProvider implements
ILightweightLabelDecorator {
private final List listeners = new ArrayList();
public final static String ID = "org.cfeclipse.cfml.editors.decoration.URLDecorator";
public static URLDecorator getURLDecorator() {
IDecoratorManager decoratorManager = CFMLPlugin.getDefault()
.getWorkbench().getDecoratorManager();
if (decoratorManager
.getEnabled(ID)) {
return (URLDecorator) decoratorManager
.getBaseLabelProvider(ID);
}
return null;
}
public void decorate(Object element, IDecoration decoration) {
if (element instanceof IResource) {
IResource selResource = (IResource) element;
String urlProperty = null;
if(selResource.exists() && selResource.isAccessible()) {
try {
urlProperty = selResource
.getPersistentProperty(new QualifiedName("",
CFMLPreferenceConstants.P_PROJECT_URL));
} catch (CoreException e) {
e.printStackTrace();
}
//TODO: move this out from the CFPluginImages
ImageDescriptor linkImage = LinkImageDescriptor.createDescriptor("obj16","decorator_link.gif");
if (urlProperty != null && urlProperty.length() > 0) {
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() {
URLDecorator decorator = getURLDecorator();
Iterator iterator = listeners.iterator();
while (iterator.hasNext()) {
ILabelProviderListener listener = (ILabelProviderListener) iterator.next();
listener.labelProviderChanged(new LabelProviderChangedEvent(decorator));
}
}
}