| /******************************************************************************* |
| * Copyright (c) 2016 Red Hat Inc. and others. |
| * 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: |
| * Sopot Cela, Mickael Istria (Red Hat Inc.) - initial implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.genericeditor; |
| |
| import java.util.Arrays; |
| import java.util.LinkedHashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Queue; |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.content.IContentType; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.text.AbstractReusableInformationControlCreator; |
| import org.eclipse.jface.text.DefaultInformationControl; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IDocumentPartitioningListener; |
| import org.eclipse.jface.text.IInformationControl; |
| import org.eclipse.jface.text.IInformationControlCreator; |
| import org.eclipse.jface.text.ITextHover; |
| import org.eclipse.jface.text.contentassist.ContentAssistant; |
| import org.eclipse.jface.text.contentassist.IContentAssistProcessor; |
| import org.eclipse.jface.text.contentassist.IContentAssistant; |
| import org.eclipse.jface.text.presentation.IPresentationReconciler; |
| import org.eclipse.jface.text.quickassist.IQuickAssistAssistant; |
| import org.eclipse.jface.text.quickassist.QuickAssistAssistant; |
| import org.eclipse.jface.text.source.ISourceViewer; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IPropertyListener; |
| import org.eclipse.ui.editors.text.TextSourceViewerConfiguration; |
| import org.eclipse.ui.internal.editors.text.EditorsPlugin; |
| import org.eclipse.ui.internal.genericeditor.markers.MarkerResoltionQuickAssistProcessor; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| |
| /** |
| * The configuration of the {@link ExtensionBasedTextEditor}. It registers the proxy composite |
| * for hover, completion, syntax highlighting, and then those proxy take care of resolving to |
| * the right extensions on-demand. |
| * |
| * @since 1.0 |
| */ |
| @SuppressWarnings("restriction") |
| public final class ExtensionBasedTextViewerConfiguration extends TextSourceViewerConfiguration implements IDocumentPartitioningListener { |
| |
| private ITextEditor editor; |
| private Set<IContentType> contentTypes; |
| private IDocument document; |
| |
| private ContentAssistant contentAssistant; |
| private List<IContentAssistProcessor> processors; |
| |
| /** |
| * |
| * @param editor the editor we're creating. |
| * @param preferenceStore the preference store. |
| */ |
| public ExtensionBasedTextViewerConfiguration(ITextEditor editor, IPreferenceStore preferenceStore) { |
| super(preferenceStore); |
| this.editor = editor; |
| this.editor.addPropertyListener(new IPropertyListener() { |
| @Override |
| public void propertyChanged(Object source, int propId) { |
| if (propId == IEditorPart.PROP_INPUT) { |
| watchDocument(editor.getDocumentProvider().getDocument(editor.getEditorInput())); |
| } |
| } |
| }); |
| } |
| |
| private Set<IContentType> getContentTypes() { |
| if (this.contentTypes == null) { |
| this.contentTypes = new LinkedHashSet<>(); |
| Queue<IContentType> types = new LinkedList<>(Arrays.asList(Platform.getContentTypeManager().findContentTypesFor(editor.getEditorInput().getName()))); |
| while (!types.isEmpty()) { |
| IContentType type = types.poll(); |
| this.contentTypes.add(type); |
| IContentType parent = type.getBaseType(); |
| if (parent != null) { |
| types.add(parent); |
| } |
| } |
| } |
| return this.contentTypes; |
| } |
| |
| @Override |
| public ITextHover getTextHover(ISourceViewer sourceViewer, String contentType) { |
| TextHoverRegistry registry= GenericEditorPlugin.getDefault().getHoverRegistry(); |
| return registry.getAvailableHover(sourceViewer, getContentTypes()); |
| } |
| |
| @Override |
| public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) { |
| ContentAssistProcessorRegistry registry= GenericEditorPlugin.getDefault().getContentAssistProcessorRegistry(); |
| contentAssistant= new ContentAssistant(true); |
| contentAssistant.setContextInformationPopupOrientation(ContentAssistant.CONTEXT_INFO_BELOW); |
| contentAssistant.setProposalPopupOrientation(ContentAssistant.PROPOSAL_REMOVE); |
| contentAssistant.enableColoredLabels(true); |
| contentAssistant.enableAutoActivation(true); |
| this.processors = registry.getContentAssistProcessors(sourceViewer, getContentTypes()); |
| for (IContentAssistProcessor processor : this.processors) { |
| contentAssistant.addContentAssistProcessor(processor, IDocument.DEFAULT_CONTENT_TYPE); |
| } |
| if (this.document != null) { |
| associateTokenContentTypes(this.document); |
| } |
| contentAssistant.setInformationControlCreator(new AbstractReusableInformationControlCreator() { |
| @Override |
| protected IInformationControl doCreateInformationControl(Shell parent) { |
| return new DefaultInformationControl(parent); |
| } |
| }); |
| return contentAssistant; |
| } |
| |
| @Override |
| public IPresentationReconciler getPresentationReconciler(ISourceViewer sourceViewer) { |
| PresentationReconcilerRegistry registry = GenericEditorPlugin.getDefault().getPresentationReconcilerRegistry(); |
| List<IPresentationReconciler> reconciliers = registry.getPresentationReconcilers(sourceViewer, getContentTypes()); |
| if (!reconciliers.isEmpty()) { |
| return reconciliers.get(0); |
| } |
| return super.getPresentationReconciler(sourceViewer); |
| } |
| |
| void watchDocument(IDocument document) { |
| if (this.document == document) { |
| return; |
| } |
| if (this.document != null) { |
| this.document.removeDocumentPartitioningListener(this); |
| } |
| this.document = document; |
| associateTokenContentTypes(document); |
| document.addDocumentPartitioningListener(this); |
| } |
| |
| @Override |
| public void documentPartitioningChanged(IDocument document) { |
| associateTokenContentTypes(document); |
| } |
| |
| private void associateTokenContentTypes(IDocument document) { |
| if (contentAssistant == null || this.processors == null) { |
| return; |
| } |
| for (String legalTokenContentType : document.getLegalContentTypes()) { |
| for (IContentAssistProcessor processor : this.processors) { |
| contentAssistant.addContentAssistProcessor(processor, legalTokenContentType); |
| } |
| } |
| } |
| |
| @Override |
| public IQuickAssistAssistant getQuickAssistAssistant(ISourceViewer sourceViewer) { |
| QuickAssistAssistant quickAssistAssistant = new QuickAssistAssistant(); |
| quickAssistAssistant.setQuickAssistProcessor(new MarkerResoltionQuickAssistProcessor()); |
| quickAssistAssistant.setRestoreCompletionProposalSize(EditorsPlugin.getDefault().getDialogSettingsSection("quick_assist_proposal_size")); //$NON-NLS-1$ |
| quickAssistAssistant.setInformationControlCreator(new IInformationControlCreator() { |
| @Override |
| public IInformationControl createInformationControl(Shell parent) { |
| return new DefaultInformationControl(parent, EditorsPlugin.getAdditionalInfoAffordanceString()); |
| } |
| }); |
| return quickAssistAssistant; |
| } |
| } |