content: package org.flashtool.gui.models;
  
  import org.eclipse.jface.viewers.ITreeContentProvider;
  import org.eclipse.jface.viewers.Viewer;
  import org.flashtool.flashsystem.Category;
  import org.flashtool.gui.TARestore;
  
  import lombok.extern.slf4j.Slf4j;
  
  @Slf4j
  public class CategoriesContentProvider implements ITreeContentProvider {
  
  	  private CategoriesModel model;
  
  	  @Override
  	  public void dispose() {
  	  }
  
  	  @Override
  	  public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  	    this.model = (CategoriesModel) newInput;
  	  }
  
  	  @Override
  	  public Object[] getElements(Object inputElement) {
  	    return model.getCategories().toArray();
  	  }
  
  	  @Override
  	  public Object[] getChildren(Object parentElement) {
  	    if (parentElement instanceof Category) {
  	      Category category = (Category) parentElement;
  	      return category.getEntries().toArray();
  	    }
  	    return null;
  	  }
  
  	  @Override
  	  public Object getParent(Object element) {
  	    return null;
  	  }
  
  	  @Override
  	  public boolean hasChildren(Object element) {
  	    if (element instanceof Category) {
  	      return true;
  	    }
  	    return false;
  	  }
  
  	}