| /******************************************************************************* |
| * Copyright (c) 2005, 2017 IBM Corporation and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.ui.tests.navigator; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.dltk.core.DLTKCore; |
| import org.eclipse.dltk.core.DLTKLanguageManager; |
| import org.eclipse.dltk.core.IModelElement; |
| import org.eclipse.dltk.core.IParent; |
| import org.eclipse.dltk.core.IScriptProject; |
| import org.eclipse.dltk.core.ModelException; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| |
| public class SimpleModelContentProvider implements ITreeContentProvider { |
| Object[] NONE_ELEMENTS =new Object[0]; |
| @Override |
| public Object[] getChildren(Object element) { |
| if( element instanceof IWorkspaceRoot ){ |
| IWorkspaceRoot root = ((IWorkspaceRoot)element); |
| return root.getProjects(); |
| |
| } |
| else if(element instanceof IProject ) { |
| if(DLTKLanguageManager.hasScriptNature((IProject)element)) { |
| IScriptProject project = DLTKCore.create((IProject)element); |
| try { |
| return project.getChildren(); |
| } catch (ModelException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| } |
| return NONE_ELEMENTS; |
| } |
| else if(element instanceof IParent) { |
| try { |
| return ((IParent)element).getChildren(); |
| } catch (ModelException e) { |
| e.printStackTrace(); |
| } |
| } |
| return NONE_ELEMENTS; |
| } |
| |
| @Override |
| public Object getParent(Object element) { |
| if(element instanceof IModelElement) { |
| return ((IModelElement)element).getParent(); |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| Object[] children = getChildren(element); |
| return children.length > 0; |
| } |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| @Override |
| public void dispose() { |
| // TODO Auto-generated method stub |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| // TODO Auto-generated method stub |
| } |
| } |