| /******************************************************************************* |
| * Copyright (c) 2004, 2007 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.html.ui; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Vector; |
| |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Preferences; |
| import org.eclipse.jface.text.IAutoEditStrategy; |
| import org.eclipse.jface.text.ITextDoubleClickStrategy; |
| 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.jface.viewers.ILabelProvider; |
| import org.eclipse.wst.css.core.text.ICSSPartitions; |
| import org.eclipse.wst.css.ui.internal.contentassist.CSSContentAssistProcessor; |
| import org.eclipse.wst.css.ui.internal.style.LineStyleProviderForEmbeddedCSS; |
| import org.eclipse.wst.html.core.internal.HTMLCorePlugin; |
| import org.eclipse.wst.html.core.internal.format.HTMLFormatProcessorImpl; |
| import org.eclipse.wst.html.core.internal.preferences.HTMLCorePreferenceNames; |
| import org.eclipse.wst.html.core.internal.provisional.contenttype.ContentTypeIdForHTML; |
| import org.eclipse.wst.html.core.internal.text.StructuredTextPartitionerForHTML; |
| import org.eclipse.wst.html.core.text.IHTMLPartitions; |
| import org.eclipse.wst.html.ui.internal.autoedit.AutoEditStrategyForTabs; |
| import org.eclipse.wst.html.ui.internal.contentassist.HTMLContentAssistProcessor; |
| import org.eclipse.wst.html.ui.internal.contentassist.NoRegionContentAssistProcessorForHTML; |
| import org.eclipse.wst.html.ui.internal.style.LineStyleProviderForHTML; |
| 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; |
| import org.eclipse.wst.xml.core.internal.provisional.contenttype.ContentTypeIdForXML; |
| import org.eclipse.wst.xml.core.internal.text.rules.StructuredTextPartitionerForXML; |
| import org.eclipse.wst.xml.core.text.IXMLPartitions; |
| import org.eclipse.wst.xml.ui.StructuredTextViewerConfigurationXML; |
| import org.eclipse.wst.xml.ui.internal.contentoutline.JFaceNodeLabelProvider; |
| import org.w3c.dom.Node; |
| |
| /** |
| * Configuration for a source viewer which shows HTML content. |
| * <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 StructuredTextViewerConfigurationHTML 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 fLineStyleProviderForEmbeddedCSS; |
| /* |
| * One instance per configuration |
| */ |
| private LineStyleProvider fLineStyleProviderForHTML; |
| /* |
| * One instance per configuration |
| */ |
| private StructuredTextViewerConfiguration fXMLSourceViewerConfiguration; |
| private ILabelProvider fStatusLineLabelProvider; |
| |
| /** |
| * Create new instance of StructuredTextViewerConfigurationHTML |
| */ |
| public StructuredTextViewerConfigurationHTML() { |
| // 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]); |
| } |
| |
| // be sure this is added last in list, so it has a change to modify |
| // previous results. |
| // add auto edit strategy that handles when tab key is pressed |
| allStrategies.add(new AutoEditStrategyForTabs()); |
| |
| return (IAutoEditStrategy[]) allStrategies.toArray(new IAutoEditStrategy[allStrategies.size()]); |
| } |
| |
| public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) { |
| if (fConfiguredContentTypes == null) { |
| String[] xmlTypes = StructuredTextPartitionerForXML.getConfiguredContentTypes(); |
| String[] htmlTypes = StructuredTextPartitionerForHTML.getConfiguredContentTypes(); |
| fConfiguredContentTypes = new String[2 + xmlTypes.length + htmlTypes.length]; |
| |
| fConfiguredContentTypes[0] = IStructuredPartitions.DEFAULT_PARTITION; |
| fConfiguredContentTypes[1] = IStructuredPartitions.UNKNOWN_PARTITION; |
| |
| int index = 0; |
| System.arraycopy(xmlTypes, 0, fConfiguredContentTypes, index += 2, xmlTypes.length); |
| System.arraycopy(htmlTypes, 0, fConfiguredContentTypes, index += xmlTypes.length, htmlTypes.length); |
| } |
| |
| return fConfiguredContentTypes; |
| } |
| |
| protected IContentAssistProcessor[] getContentAssistProcessors(ISourceViewer sourceViewer, String partitionType) { |
| IContentAssistProcessor[] processors = null; |
| |
| if ((partitionType == IHTMLPartitions.HTML_DEFAULT) || (partitionType == IHTMLPartitions.HTML_COMMENT)) { |
| processors = new IContentAssistProcessor[]{new HTMLContentAssistProcessor()}; |
| } |
| else if (partitionType == ICSSPartitions.STYLE) { |
| processors = new IContentAssistProcessor[]{new CSSContentAssistProcessor()}; |
| } |
| else if (partitionType == IStructuredPartitions.UNKNOWN_PARTITION) { |
| processors = new IContentAssistProcessor[]{new NoRegionContentAssistProcessorForHTML()}; |
| } |
| |
| return processors; |
| } |
| |
| 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), IHTMLPartitions.HTML_DEFAULT); |
| ((MultiPassContentFormatter) formatter).setMasterStrategy(new StructuredFormattingStrategy(new HTMLFormatProcessorImpl())); |
| |
| return formatter; |
| } |
| |
| public ITextDoubleClickStrategy getDoubleClickStrategy(ISourceViewer sourceViewer, String contentType) { |
| if (contentType == IHTMLPartitions.HTML_DEFAULT) { |
| // use xml's doubleclick strategy |
| return getXMLSourceViewerConfiguration().getDoubleClickStrategy(sourceViewer, IXMLPartitions.XML_DEFAULT); |
| } |
| else |
| return super.getDoubleClickStrategy(sourceViewer, contentType); |
| |
| } |
| |
| public String[] getIndentPrefixes(ISourceViewer sourceViewer, String contentType) { |
| Vector vector = new Vector(); |
| |
| // prefix[0] is either '\t' or ' ' x tabWidth, depending on preference |
| Preferences preferences = HTMLCorePlugin.getDefault().getPluginPreferences(); |
| int indentationWidth = preferences.getInt(HTMLCorePreferenceNames.INDENTATION_SIZE); |
| String indentCharPref = preferences.getString(HTMLCorePreferenceNames.INDENTATION_CHAR); |
| boolean useSpaces = HTMLCorePreferenceNames.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; |
| |
| // workaround IXMLPartitions.XML_PI |
| if (partitionType == IHTMLPartitions.HTML_DEFAULT || partitionType == IHTMLPartitions.HTML_COMMENT || partitionType == IHTMLPartitions.HTML_DECLARATION || partitionType == IXMLPartitions.XML_PI) { |
| providers = new LineStyleProvider[]{getLineStyleProviderForHTML()}; |
| } |
| else if (partitionType == ICSSPartitions.STYLE) { |
| providers = new LineStyleProvider[]{getLineStyleProviderForEmbeddedCSS()}; |
| } |
| |
| return providers; |
| } |
| |
| private LineStyleProvider getLineStyleProviderForEmbeddedCSS() { |
| if (fLineStyleProviderForEmbeddedCSS == null) { |
| fLineStyleProviderForEmbeddedCSS = new LineStyleProviderForEmbeddedCSS(); |
| } |
| return fLineStyleProviderForEmbeddedCSS; |
| } |
| |
| private LineStyleProvider getLineStyleProviderForHTML() { |
| if (fLineStyleProviderForHTML == null) { |
| fLineStyleProviderForHTML = new LineStyleProviderForHTML(); |
| } |
| return fLineStyleProviderForHTML; |
| } |
| |
| public ILabelProvider getStatusLineLabelProvider(ISourceViewer sourceViewer) { |
| if (fStatusLineLabelProvider == null) { |
| fStatusLineLabelProvider = new JFaceNodeLabelProvider() { |
| public String getText(Object element) { |
| |
| if (element == null) |
| return null; |
| |
| StringBuffer s = new StringBuffer(); |
| Node node = (Node) element; |
| while (node != null) { |
| if (node.getNodeType() != Node.DOCUMENT_NODE) { |
| s.insert(0, super.getText(node)); |
| } |
| node = node.getParentNode(); |
| if (node != null && node.getNodeType() != Node.DOCUMENT_NODE) { |
| s.insert(0, IPath.SEPARATOR); |
| } |
| } |
| return s.toString(); |
| } |
| |
| }; |
| } |
| return fStatusLineLabelProvider; |
| } |
| |
| private StructuredTextViewerConfiguration getXMLSourceViewerConfiguration() { |
| if (fXMLSourceViewerConfiguration == null) { |
| fXMLSourceViewerConfiguration = new StructuredTextViewerConfigurationXML(); |
| } |
| return fXMLSourceViewerConfiguration; |
| } |
| |
| protected Map getHyperlinkDetectorTargets(ISourceViewer sourceViewer) { |
| Map targets = super.getHyperlinkDetectorTargets(sourceViewer); |
| targets.put(ContentTypeIdForHTML.ContentTypeID_HTML, null); |
| |
| // also add xml since there could be xml content in html |
| // (just hope the hyperlink detectors will do additional checking) |
| targets.put(ContentTypeIdForXML.ContentTypeID_XML, null); |
| return targets; |
| } |
| } |