package com.googlecode.jslint4java.eclipse.ui;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import com.googlecode.jslint4java.eclipse.builder.NatureManager;
public class ToggleNatureAction implements IObjectActionDelegate {
private IStructuredSelection selection;
public void run(IAction action) {
NatureManager natureManager = new NatureManager();
for (Object obj : selection.toArray()) {
IProject project = projectFromSelectedItem(obj);
if (project != null) {
natureManager.toggleNature(project);
}
}
}
/** Convert to a project, or return null. */
private IProject projectFromSelectedItem(Object obj) {
if (obj instanceof IProject) {
return (IProject) obj;
} else if (obj instanceof IAdaptable) {
return (IProject) ((IAdaptable) obj).getAdapter(IProject.class);
} else {
return null;
}
}
public void selectionChanged(IAction action, ISelection selection) {
if (selection instanceof IStructuredSelection) {
this.selection = (IStructuredSelection) selection;
}
}
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
}
}