| /******************************************************************************* |
| * Copyright (c) 2011 NumberFour AG |
| * |
| * 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 |
| * |
| * Contributors: |
| * NumberFour AG - initial API and Implementation (Alex Panchenko) |
| *******************************************************************************/ |
| package org.eclipse.dltk.javascript.internal.ui; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.dltk.core.ISourceModule; |
| import org.eclipse.dltk.core.PreferencesLookupDelegate; |
| import org.eclipse.dltk.core.manipulation.SourceModuleChange; |
| import org.eclipse.dltk.javascript.core.JavaScriptNature; |
| import org.eclipse.dltk.ui.editor.saveparticipant.IPostSaveListener; |
| import org.eclipse.dltk.ui.formatter.FormatterException; |
| import org.eclipse.dltk.ui.formatter.FormatterSyntaxProblemException; |
| import org.eclipse.dltk.ui.formatter.IScriptFormatter; |
| import org.eclipse.dltk.ui.formatter.IScriptFormatterFactory; |
| import org.eclipse.dltk.ui.formatter.ScriptFormatterManager; |
| import org.eclipse.dltk.ui.util.CodeGeneration; |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.ltk.core.refactoring.TextFileChange; |
| import org.eclipse.text.edits.MalformedTreeException; |
| import org.eclipse.text.edits.TextEdit; |
| |
| public class CodeFormatSaveParticipant implements IPostSaveListener { |
| |
| public String getName() { |
| return "Format source code"; |
| } |
| |
| public String getId() { |
| return ID; |
| } |
| |
| static final String ID = "CodeFormat"; |
| |
| /** |
| * Preference prefix that is appended to the id of |
| * {@link SaveParticipantDescriptor save participants}. |
| * |
| * <p> |
| * Value is of type <code>Boolean</code>. |
| * </p> |
| */ |
| static final String EDITOR_SAVE_PARTICIPANT_PREFIX = "editor_save_participant_"; //$NON-NLS-1$ |
| |
| public boolean isEnabled(ISourceModule compilationUnit) { |
| return new PreferencesLookupDelegate(compilationUnit.getScriptProject() |
| .getProject()).getBoolean(JavaScriptUI.PLUGIN_ID, |
| EDITOR_SAVE_PARTICIPANT_PREFIX + getId()); |
| } |
| |
| public boolean needsChangedRegions(ISourceModule compilationUnit) |
| throws CoreException { |
| // TODO Auto-generated method stub |
| return false; |
| } |
| |
| public void saved(ISourceModule compilationUnit, IRegion[] changedRegions, |
| IProgressMonitor monitor) throws CoreException { |
| final IDocument document = new Document(compilationUnit.getSource()); |
| final IScriptFormatterFactory factory = ScriptFormatterManager |
| .getSelected(JavaScriptNature.NATURE_ID, compilationUnit |
| .getScriptProject().getProject()); |
| if (factory != null) { |
| final IScriptFormatter formatter = factory.createFormatter( |
| CodeGeneration.getLineDelimiterUsed(compilationUnit), |
| factory.retrievePreferences(new PreferencesLookupDelegate( |
| compilationUnit.getScriptProject().getProject()))); |
| try { |
| final TextEdit edit = formatter.format(document.get(), 0, |
| document.getLength(), 0); |
| if (edit != null) { |
| final SourceModuleChange change = new SourceModuleChange( |
| "Format " + compilationUnit.getElementName(), |
| compilationUnit); |
| change.setSaveMode(TextFileChange.LEAVE_DIRTY); |
| change.setEdit(edit); |
| change.perform(monitor); |
| } |
| } catch (FormatterSyntaxProblemException e) { |
| return; |
| } catch (FormatterException e) { |
| throw new CoreException(new Status(IStatus.ERROR, |
| JavaScriptUI.PLUGIN_ID, e.toString(), e)); |
| } catch (MalformedTreeException e) { |
| throw new CoreException(new Status(IStatus.ERROR, |
| JavaScriptUI.PLUGIN_ID, e.toString(), e)); |
| } |
| } |
| } |
| |
| } |