| /******************************************************************************* |
| * Copyright (c) 2012 NumberFour AG |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * NumberFour AG - initial API and Implementation (Alex Panchenko) |
| *******************************************************************************/ |
| package org.eclipse.dltk.ui.tests; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.dltk.core.IDLTKLanguageToolkit; |
| import org.eclipse.dltk.core.ISourceModule; |
| import org.eclipse.dltk.internal.ui.editor.ScriptEditor; |
| import org.eclipse.dltk.ui.DLTKUILanguageManager; |
| import org.eclipse.dltk.ui.DLTKUIPlugin; |
| import org.eclipse.dltk.ui.IDLTKUILanguageToolkit; |
| import org.eclipse.dltk.ui.text.completion.CompletionProposalCategory; |
| import org.eclipse.dltk.ui.text.completion.CompletionProposalComputerRegistry; |
| import org.eclipse.dltk.ui.text.completion.IScriptCompletionProposalComputer; |
| import org.eclipse.dltk.ui.text.completion.ProposalSorterRegistry; |
| import org.eclipse.dltk.ui.text.completion.ScriptContentAssistInvocationContext; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.TextUtilities; |
| import org.eclipse.jface.text.contentassist.ICompletionProposal; |
| import org.eclipse.jface.text.contentassist.ICompletionProposalExtension2; |
| import org.eclipse.jface.text.source.ISourceViewer; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.ui.IEditorPart; |
| import org.junit.Assert; |
| |
| public class UICompletionUtil { |
| |
| private final ScriptEditor editor; |
| private Integer offset; |
| |
| private UICompletionUtil(ScriptEditor editor) { |
| this.editor = editor; |
| } |
| |
| public static UICompletionUtil openEditor(ISourceModule module) throws CoreException { |
| return UICompletionUtil.on(DLTKUIPlugin.openInEditor(module)); |
| } |
| |
| public static UICompletionUtil on(IEditorPart part) { |
| Assert.assertNotNull("Editor must be not null", part); |
| return new UICompletionUtil((ScriptEditor) part); |
| } |
| |
| public UICompletionUtil after(String marker) { |
| calculateOffset(marker, false, true); |
| return this; |
| } |
| |
| public UICompletionUtil afterLast(String marker) { |
| calculateOffset(marker, true, true); |
| return this; |
| } |
| |
| private void calculateOffset(String marker, boolean last, boolean after) { |
| final String text = getDocument().get(); |
| final int offset = last ? text.lastIndexOf(marker) : text |
| .indexOf(marker); |
| Assert.assertTrue( |
| NLS.bind("Pattern \"{0}\" not found in {1}", marker, |
| editor.getTitle()), offset != -1); |
| this.offset = offset + (after ? marker.length() : 0); |
| } |
| |
| public IDocument getDocument() { |
| return getViewer().getDocument(); |
| } |
| |
| private ISourceViewer getViewer() { |
| return editor.getViewer(); |
| } |
| |
| private int getOffset() { |
| Assert.assertNotNull("Completion offset not specified", offset); |
| return offset.intValue(); |
| } |
| |
| public List<ICompletionProposal> invokeCompletion( |
| Class<? extends IScriptCompletionProposalComputer> computerClass) { |
| final IDLTKLanguageToolkit toolkit = editor.getLanguageToolkit(); |
| final ScriptContentAssistInvocationContext context = new ScriptContentAssistInvocationContext( |
| getViewer(), getOffset(), editor, toolkit.getNatureId()); |
| |
| final IScriptCompletionProposalComputer computer; |
| try { |
| computer = computerClass.newInstance(); |
| } catch (InstantiationException e) { |
| throw new AssertionError(e); |
| } catch (IllegalAccessException e) { |
| throw new AssertionError(e); |
| } |
| return computer.computeCompletionProposals(context, null); |
| } |
| |
| public List<ICompletionProposal> invokeCompletion() { |
| |
| final IDLTKLanguageToolkit toolkit = editor.getLanguageToolkit(); |
| final ScriptContentAssistInvocationContext context = new ScriptContentAssistInvocationContext( |
| getViewer(), getOffset(), editor, toolkit.getNatureId()); |
| |
| final IDLTKUILanguageToolkit ui = DLTKUILanguageManager |
| .getLanguageToolkit(toolkit); |
| |
| final String contentType; |
| try { |
| contentType = TextUtilities.getContentType(getDocument(), |
| ui.getPartitioningId(), offset, false); |
| } catch (BadLocationException e) { |
| throw new AssertionError(e); |
| } |
| |
| final List<ICompletionProposal> proposals = new ArrayList<ICompletionProposal>(); |
| for (CompletionProposalCategory cat : CompletionProposalComputerRegistry |
| .getDefault().getProposalCategories()) { |
| proposals.addAll(cat.computeCompletionProposals(context, |
| contentType, new NullProgressMonitor())); |
| } |
| ProposalSorterRegistry.getDefault().getCurrentSorter() |
| .sortProposals(context, proposals); |
| return proposals; |
| } |
| |
| public UICompletionUtil apply(ICompletionProposal proposal) { |
| ((ICompletionProposalExtension2) proposal).apply(getViewer(), (char) 0, |
| 0, getOffset()); |
| return this; |
| } |
| |
| public String getText() { |
| return getDocument().get(); |
| } |
| |
| } |