| /******************************************************************************* |
| * Copyright (c) 2004, 2010 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.css.ui; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Vector; |
| |
| import org.eclipse.core.runtime.Preferences; |
| import org.eclipse.jface.text.IAutoEditStrategy; |
| import org.eclipse.jface.text.contentassist.IContentAssistProcessor; |
| import org.eclipse.jface.text.formatter.IContentFormatter; |
| import org.eclipse.jface.text.formatter.MultiPassContentFormatter; |
| import org.eclipse.jface.text.source.ISourceViewer; |
| import org.eclipse.wst.css.core.internal.CSSCorePlugin; |
| import org.eclipse.wst.css.core.internal.format.FormatProcessorCSS; |
| import org.eclipse.wst.css.core.internal.preferences.CSSCorePreferenceNames; |
| import org.eclipse.wst.css.core.text.ICSSPartitions; |
| import org.eclipse.wst.css.ui.internal.contentassist.CSSStructuredContentAssistProcessor; |
| import org.eclipse.wst.css.ui.internal.style.LineStyleProviderForCSS; |
| import org.eclipse.wst.sse.core.text.IStructuredPartitions; |
| import org.eclipse.wst.sse.ui.StructuredTextViewerConfiguration; |
| import org.eclipse.wst.sse.ui.internal.format.StructuredFormattingStrategy; |
| import org.eclipse.wst.sse.ui.internal.provisional.style.LineStyleProvider; |
| |
| /** |
| * Configuration for a source viewer which shows CSS. |
| * <p> |
| * Clients can subclass and override just those methods which must be specific |
| * to their needs. |
| * </p> |
| * |
| * @see org.eclipse.wst.sse.ui.StructuredTextViewerConfiguration |
| * @since 1.0 |
| */ |
| public class StructuredTextViewerConfigurationCSS extends StructuredTextViewerConfiguration { |
| /* |
| * One instance per configuration because not sourceviewer-specific and |
| * it's a String array |
| */ |
| private String[] fConfiguredContentTypes; |
| /* |
| * One instance per configuration |
| */ |
| private LineStyleProvider fLineStyleProviderForCSS; |
| |
| /** |
| * Create new instance of StructuredTextViewerConfigurationCSS |
| */ |
| public StructuredTextViewerConfigurationCSS() { |
| // Must have empty constructor to createExecutableExtension |
| super(); |
| } |
| |
| public IAutoEditStrategy[] getAutoEditStrategies(ISourceViewer sourceViewer, String contentType) { |
| List allStrategies = new ArrayList(0); |
| |
| IAutoEditStrategy[] superStrategies = super.getAutoEditStrategies(sourceViewer, contentType); |
| for (int i = 0; i < superStrategies.length; i++) { |
| allStrategies.add(superStrategies[i]); |
| } |
| |
| return (IAutoEditStrategy[]) allStrategies.toArray(new IAutoEditStrategy[0]); |
| } |
| |
| public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) { |
| if (fConfiguredContentTypes == null) { |
| fConfiguredContentTypes = new String[]{ICSSPartitions.STYLE, ICSSPartitions.COMMENT, IStructuredPartitions.DEFAULT_PARTITION, IStructuredPartitions.UNKNOWN_PARTITION}; |
| } |
| return fConfiguredContentTypes; |
| } |
| |
| /** |
| * @see org.eclipse.wst.sse.ui.StructuredTextViewerConfiguration#getContentAssistProcessors( |
| * org.eclipse.jface.text.source.ISourceViewer, java.lang.String) |
| */ |
| protected IContentAssistProcessor[] getContentAssistProcessors(ISourceViewer sourceViewer, String partitionType) { |
| IContentAssistProcessor processor = new CSSStructuredContentAssistProcessor( |
| this.getContentAssistant(), partitionType, sourceViewer); |
| return new IContentAssistProcessor[]{processor}; |
| } |
| |
| public IContentFormatter getContentFormatter(ISourceViewer sourceViewer) { |
| IContentFormatter formatter = super.getContentFormatter(sourceViewer); |
| // super was unable to create a formatter, probably because |
| // sourceViewer does not have document set yet, so just create a |
| // generic one |
| if (!(formatter instanceof MultiPassContentFormatter)) |
| formatter = new MultiPassContentFormatter(getConfiguredDocumentPartitioning(sourceViewer), ICSSPartitions.STYLE); |
| |
| ((MultiPassContentFormatter) formatter).setMasterStrategy(new StructuredFormattingStrategy(new FormatProcessorCSS())); |
| |
| return formatter; |
| } |
| |
| public String[] getIndentPrefixes(ISourceViewer sourceViewer, String contentType) { |
| Vector vector = new Vector(); |
| |
| // prefix[0] is either '\t' or ' ' x tabWidth, depending on preference |
| Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences(); |
| int indentationWidth = preferences.getInt(CSSCorePreferenceNames.INDENTATION_SIZE); |
| String indentCharPref = preferences.getString(CSSCorePreferenceNames.INDENTATION_CHAR); |
| boolean useSpaces = CSSCorePreferenceNames.SPACE.equals(indentCharPref); |
| |
| for (int i = 0; i <= indentationWidth; i++) { |
| StringBuffer prefix = new StringBuffer(); |
| boolean appendTab = false; |
| |
| if (useSpaces) { |
| for (int j = 0; j + i < indentationWidth; j++) |
| prefix.append(' '); |
| |
| if (i != 0) |
| appendTab = true; |
| } |
| else { |
| for (int j = 0; j < i; j++) |
| prefix.append(' '); |
| |
| if (i != indentationWidth) |
| appendTab = true; |
| } |
| |
| if (appendTab) { |
| prefix.append('\t'); |
| vector.add(prefix.toString()); |
| // remove the tab so that indentation - tab is also an indent |
| // prefix |
| prefix.deleteCharAt(prefix.length() - 1); |
| } |
| vector.add(prefix.toString()); |
| } |
| |
| vector.add(""); //$NON-NLS-1$ |
| |
| return (String[]) vector.toArray(new String[vector.size()]); |
| } |
| |
| public LineStyleProvider[] getLineStyleProviders(ISourceViewer sourceViewer, String partitionType) { |
| LineStyleProvider[] providers = null; |
| |
| if (partitionType == ICSSPartitions.STYLE || partitionType == ICSSPartitions.COMMENT) { |
| providers = new LineStyleProvider[]{getLineStyleProviderForCSS()}; |
| } |
| |
| return providers; |
| } |
| |
| private LineStyleProvider getLineStyleProviderForCSS() { |
| if (fLineStyleProviderForCSS == null) { |
| fLineStyleProviderForCSS = new LineStyleProviderForCSS(); |
| } |
| return fLineStyleProviderForCSS; |
| } |
| } |