bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/StructuredTextViewerConfigurationJSP.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004, 2005 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.jst.jsp.ui;

 import java.util.ArrayList;
 import java.util.List;

 import org.eclipse.jdt.ui.JavaUI;
 import org.eclipse.jdt.ui.PreferenceConstants;
 import org.eclipse.jdt.ui.text.IJavaPartitions;
 import org.eclipse.jdt.ui.text.JavaSourceViewerConfiguration;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.text.IAutoEditStrategy;
 import org.eclipse.jface.text.ITextDoubleClickStrategy;
 import org.eclipse.jface.text.ITextHover;
 import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
 import org.eclipse.jface.text.contentassist.IContentAssistant;
 import org.eclipse.jface.text.formatter.IContentFormatter;
 import org.eclipse.jface.text.formatter.MultiPassContentFormatter;
 import org.eclipse.jface.text.hyperlink.IHyperlinkDetector;
 import org.eclipse.jface.text.information.IInformationPresenter;
 import org.eclipse.jface.text.information.IInformationProvider;
 import org.eclipse.jface.text.source.ISourceViewer;
 import org.eclipse.jst.jsp.core.internal.text.StructuredTextPartitionerForJSP;
 import org.eclipse.jst.jsp.core.text.IJSPPartitions;
 import org.eclipse.jst.jsp.ui.internal.autoedit.AutoEditStrategyForTabs;
 import org.eclipse.jst.jsp.ui.internal.autoedit.StructuredAutoEditStrategyJSP;
 import org.eclipse.jst.jsp.ui.internal.contentassist.JSPContentAssistProcessor;
 import org.eclipse.jst.jsp.ui.internal.contentassist.JSPELContentAssistProcessor;
 import org.eclipse.jst.jsp.ui.internal.contentassist.JSPJavaContentAssistProcessor;
 import org.eclipse.jst.jsp.ui.internal.contentassist.NoRegionContentAssistProcessorForJSP;
 import org.eclipse.jst.jsp.ui.internal.format.FormattingStrategyJSPJava;
 import org.eclipse.jst.jsp.ui.internal.hyperlink.JSPJavaHyperlinkDetector;
 import org.eclipse.jst.jsp.ui.internal.hyperlink.TaglibHyperlinkDetector;
 import org.eclipse.jst.jsp.ui.internal.hyperlink.XMLHyperlinkDetector;
 import org.eclipse.jst.jsp.ui.internal.style.LineStyleProviderForJSP;
 import org.eclipse.jst.jsp.ui.internal.style.java.LineStyleProviderForJava;
 import org.eclipse.jst.jsp.ui.internal.style.jspel.LineStyleProviderForJSPEL;
 import org.eclipse.jst.jsp.ui.internal.taginfo.JSPInformationProvider;
 import org.eclipse.jst.jsp.ui.internal.taginfo.JSPJavaJavadocHoverProcessor;
 import org.eclipse.jst.jsp.ui.internal.taginfo.JSPJavaJavadocInformationProvider;
 import org.eclipse.jst.jsp.ui.internal.taginfo.JSPTagInfoHoverProcessor;
 import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants;
 import org.eclipse.wst.css.core.text.ICSSPartitions;
 import org.eclipse.wst.html.core.internal.format.HTMLFormatProcessorImpl;
 import org.eclipse.wst.html.core.text.IHTMLPartitions;
 import org.eclipse.wst.html.ui.StructuredTextViewerConfigurationHTML;
 import org.eclipse.wst.sse.core.text.IStructuredPartitions;
 import org.eclipse.wst.sse.ui.StructuredTextViewerConfiguration;
 import org.eclipse.wst.sse.ui.internal.SSEUIPlugin;
 import org.eclipse.wst.sse.ui.internal.format.StructuredFormattingStrategy;
 import org.eclipse.wst.sse.ui.internal.provisional.style.LineStyleProvider;
 import org.eclipse.wst.sse.ui.internal.taginfo.TextHoverManager;
 import org.eclipse.wst.sse.ui.internal.util.EditorUtility;
 import org.eclipse.wst.xml.core.text.IXMLPartitions;
 import org.eclipse.wst.xml.ui.StructuredTextViewerConfigurationXML;

 /**
  * Configuration for a source viewer which shows JSP 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 StructuredTextViewerConfigurationJSP 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 fLineStyleProviderForJava;
 	/*
 	 * One instance per configuration
 	 */
 	private LineStyleProvider fLineStyleProviderForJSP;
 	/*
 	 * One instance per configuration
 	 */
 	private LineStyleProvider fLineStyleProviderForJSPEL;
 	private StructuredTextViewerConfiguration fHTMLSourceViewerConfiguration;
 	private JavaSourceViewerConfiguration fJavaSourceViewerConfiguration;
 	private StructuredTextViewerConfiguration fXMLSourceViewerConfiguration;

 	/**
 	 * Create new instance of StructuredTextViewerConfigurationJSP
 	 */
 	public StructuredTextViewerConfigurationJSP() {
 		// Must have empty constructor to createExecutableExtension
 		super();
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.text.source.SourceViewerConfiguration#getAutoEditStrategies(org.eclipse.jface.text.source.ISourceViewer,
 	 *      java.lang.String)
 	 */
 	public IAutoEditStrategy[] getAutoEditStrategies(ISourceViewer sourceViewer, String contentType) {
 		IAutoEditStrategy[] strategies = null;

 		if (contentType == IXMLPartitions.XML_DEFAULT) {
 			// xml autoedit strategies
 			strategies = getXMLSourceViewerConfiguration().getAutoEditStrategies(sourceViewer, contentType);
 		}
 		else if (contentType == IJSPPartitions.JSP_CONTENT_JAVA) {
 			// jsp java autoedit strategies
 			List allStrategies = new ArrayList(0);

 			IAutoEditStrategy[] javaStrategies = getJavaSourceViewerConfiguration().getAutoEditStrategies(sourceViewer, IJavaPartitions.JAVA_PARTITIONING);
 			for (int i = 0; i < javaStrategies.length; i++) {
 				allStrategies.add(javaStrategies[i]);
 			}
 			// be sure this is added last, after others, so it can modify
 			// results from earlier steps.
 			// add auto edit strategy that handles when tab key is pressed
 			allStrategies.add(new AutoEditStrategyForTabs());

 			strategies = (IAutoEditStrategy[]) allStrategies.toArray(new IAutoEditStrategy[allStrategies.size()]);
 		}
 		else if (contentType == IHTMLPartitions.HTML_DEFAULT || contentType == IHTMLPartitions.HTML_DECLARATION) {
 			// html and jsp autoedit strategies
 			List allStrategies = new ArrayList(0);

 			// add the jsp autoedit strategy first then add all html's
 			allStrategies.add(new StructuredAutoEditStrategyJSP());

 			IAutoEditStrategy[] htmlStrategies = getHTMLSourceViewerConfiguration().getAutoEditStrategies(sourceViewer, contentType);
 			for (int i = 0; i < htmlStrategies.length; i++) {
 				allStrategies.add(htmlStrategies[i]);
 			}

 			strategies = (IAutoEditStrategy[]) allStrategies.toArray(new IAutoEditStrategy[allStrategies.size()]);
 		}
 		else {
 			// default autoedit strategies
 			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, after others, so it can modify
 			// results from earlier steps.
 			// add auto edit strategy that handles when tab key is pressed
 			allStrategies.add(new AutoEditStrategyForTabs());

 			strategies = (IAutoEditStrategy[]) allStrategies.toArray(new IAutoEditStrategy[allStrategies.size()]);
 		}

 		return strategies;
 	}

 	public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) {
 		if (fConfiguredContentTypes == null) {
 			/*
 			 * A little bit of cheating because assuming html's configured
 			 * content types will add default, unknown, and all xml configured
 			 * content types
 			 */
 			String[] htmlTypes = getHTMLSourceViewerConfiguration().getConfiguredContentTypes(sourceViewer);
 			String[] jspTypes = StructuredTextPartitionerForJSP.getConfiguredContentTypes();
 			fConfiguredContentTypes = new String[htmlTypes.length + jspTypes.length];

 			int index = 0;
 			System.arraycopy(htmlTypes, 0, fConfiguredContentTypes, index, htmlTypes.length);
 			System.arraycopy(jspTypes, 0, fConfiguredContentTypes, index += htmlTypes.length, jspTypes.length);
 		}

 		return fConfiguredContentTypes;
 	}

 	protected IContentAssistProcessor[] getContentAssistProcessors(ISourceViewer sourceViewer, String partitionType) {
 		IContentAssistProcessor[] processors = null;

 		if (partitionType == IHTMLPartitions.SCRIPT) {
 			// HTML JavaScript
 			IContentAssistant htmlContentAssistant = getHTMLSourceViewerConfiguration().getContentAssistant(sourceViewer);
 			IContentAssistProcessor processor = htmlContentAssistant.getContentAssistProcessor(IHTMLPartitions.SCRIPT);
 			processors = new IContentAssistProcessor[]{processor};
 		}
 		else if (partitionType == ICSSPartitions.STYLE) {
 			// HTML CSS
 			IContentAssistant htmlContentAssistant = getHTMLSourceViewerConfiguration().getContentAssistant(sourceViewer);
 			IContentAssistProcessor processor = htmlContentAssistant.getContentAssistProcessor(ICSSPartitions.STYLE);
 			processors = new IContentAssistProcessor[]{processor};
 		}
 		// // jspcontentassistprocessor handles this?
 		// else if ((partitionType == IHTMLPartitionTypes.HTML_DEFAULT) ||
 		// (partitionType == IHTMLPartitionTypes.HTML_COMMENT)) {
 		// processors = new IContentAssistProcessor[]{new
 		// HTMLContentAssistProcessor()};
 		// }
 		else if ((partitionType == IXMLPartitions.XML_DEFAULT) || (partitionType == IHTMLPartitions.HTML_DEFAULT) || (partitionType == IHTMLPartitions.HTML_COMMENT) || (partitionType == IJSPPartitions.JSP_DEFAULT) || (partitionType == IJSPPartitions.JSP_DIRECTIVE) || (partitionType == IJSPPartitions.JSP_CONTENT_DELIMITER) || (partitionType == IJSPPartitions.JSP_CONTENT_JAVASCRIPT) || (partitionType == IJSPPartitions.JSP_COMMENT)) {
 			// jsp
 			processors = new IContentAssistProcessor[]{new JSPContentAssistProcessor()};
 		}
 		else if ((partitionType == IXMLPartitions.XML_CDATA) || (partitionType == IJSPPartitions.JSP_CONTENT_JAVA)) {
 			// jsp java
 			processors = new IContentAssistProcessor[]{new JSPJavaContentAssistProcessor()};
 		}
 		else if (partitionType == IJSPPartitions.JSP_DEFAULT_EL) {
 			// jsp el
 			processors = new IContentAssistProcessor[]{new JSPELContentAssistProcessor()};
 		}
 		else if (partitionType == IStructuredPartitions.UNKNOWN_PARTITION) {
 			// unknown
 			processors = new IContentAssistProcessor[]{new NoRegionContentAssistProcessorForJSP()};
 		}

 		return processors;
 	}

 	public IContentFormatter getContentFormatter(ISourceViewer sourceViewer) {
 		MultiPassContentFormatter formatter = new MultiPassContentFormatter(getConfiguredDocumentPartitioning(sourceViewer), IXMLPartitions.XML_DEFAULT);

 		formatter.setMasterStrategy(new StructuredFormattingStrategy(new HTMLFormatProcessorImpl()));
 		formatter.setSlaveStrategy(new FormattingStrategyJSPJava(), IJSPPartitions.JSP_CONTENT_JAVA);

 		return formatter;
 	}

 	public ITextDoubleClickStrategy getDoubleClickStrategy(ISourceViewer sourceViewer, String contentType) {
 		ITextDoubleClickStrategy strategy = null;

 		// html or javascript
 		if (contentType == IHTMLPartitions.HTML_DEFAULT || contentType == IHTMLPartitions.SCRIPT)
 			strategy = getHTMLSourceViewerConfiguration().getDoubleClickStrategy(sourceViewer, contentType);
 		else if (contentType == IJSPPartitions.JSP_CONTENT_JAVA || contentType == IJSPPartitions.JSP_CONTENT_JAVASCRIPT)
 			// JSP Java or JSP JavaScript
 			strategy = getJavaSourceViewerConfiguration().getDoubleClickStrategy(sourceViewer, contentType);
 		else if (contentType == IJSPPartitions.JSP_DEFAULT)
 			// JSP (just treat like html)
 			strategy = getHTMLSourceViewerConfiguration().getDoubleClickStrategy(sourceViewer, IHTMLPartitions.HTML_DEFAULT);
 		else
 			strategy = super.getDoubleClickStrategy(sourceViewer, contentType);

 		return strategy;
 	}

 	private StructuredTextViewerConfiguration getHTMLSourceViewerConfiguration() {
 		if (fHTMLSourceViewerConfiguration == null) {
 			fHTMLSourceViewerConfiguration = new StructuredTextViewerConfigurationHTML();
 		}
 		return fHTMLSourceViewerConfiguration;
 	}

 	public IHyperlinkDetector[] getHyperlinkDetectors(ISourceViewer sourceViewer) {
 		if (fPreferenceStore == null)
 			return null;
 		if (sourceViewer == null || !fPreferenceStore.getBoolean(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_HYPERLINKS_ENABLED))
 			return null;

 		List allDetectors = new ArrayList(0);
 		allDetectors.add(new JSPJavaHyperlinkDetector());
 		allDetectors.add(new TaglibHyperlinkDetector());
 		allDetectors.add(new XMLHyperlinkDetector());

 		IHyperlinkDetector[] superDetectors = super.getHyperlinkDetectors(sourceViewer);
 		for (int m = 0; m < superDetectors.length; m++) {
 			IHyperlinkDetector detector = superDetectors[m];
 			if (!allDetectors.contains(detector)) {
 				allDetectors.add(detector);
 			}
 		}
 		return (IHyperlinkDetector[]) allDetectors.toArray(new IHyperlinkDetector[0]);
 	}

 	public String[] getIndentPrefixes(ISourceViewer sourceViewer, String contentType) {
 		String[] indentations = null;

 		if (contentType == IXMLPartitions.XML_DEFAULT)
 			indentations = getXMLSourceViewerConfiguration().getIndentPrefixes(sourceViewer, contentType);
 		else
 			indentations = getHTMLSourceViewerConfiguration().getIndentPrefixes(sourceViewer, contentType);

 		return indentations;
 	}

 	protected IInformationProvider getInformationProvider(ISourceViewer sourceViewer, String partitionType) {
 		IInformationProvider provider = null;
 		if (partitionType == IHTMLPartitions.HTML_DEFAULT) {
 			// HTML
 			IInformationPresenter htmlPresenter = getHTMLSourceViewerConfiguration().getInformationPresenter(sourceViewer);
 			provider = htmlPresenter.getInformationProvider(IHTMLPartitions.HTML_DEFAULT);
 		}
 		else if (partitionType == IHTMLPartitions.SCRIPT) {
 			// HTML JavaScript
 			IInformationPresenter htmlPresenter = getHTMLSourceViewerConfiguration().getInformationPresenter(sourceViewer);
 			provider = htmlPresenter.getInformationProvider(IHTMLPartitions.SCRIPT);
 		}
 		else if (partitionType == IXMLPartitions.XML_DEFAULT) {
 			// XML
 			IInformationPresenter xmlPresenter = getXMLSourceViewerConfiguration().getInformationPresenter(sourceViewer);
 			provider = xmlPresenter.getInformationProvider(IXMLPartitions.XML_DEFAULT);
 		}
 		else if ((partitionType == IJSPPartitions.JSP_DEFAULT) || (partitionType == IJSPPartitions.JSP_DIRECTIVE)) {
 			// JSP tags
 			provider = new JSPInformationProvider();
 		}
 		else if (partitionType == IJSPPartitions.JSP_CONTENT_JAVA) {
 			// JSP java
 			provider = new JSPJavaJavadocInformationProvider();
 		}
 		return provider;
 	}

 	private JavaSourceViewerConfiguration getJavaSourceViewerConfiguration() {
 		if (fJavaSourceViewerConfiguration == null) {
 			IPreferenceStore store = PreferenceConstants.getPreferenceStore();
 			/*
 			 * NOTE: null text editor is being passed to
 			 * JavaSourceViewerConfiguration because
 			 * StructuredTextViewerConfiguration does not know current editor.
 			 * this is okay because editor is not needed in the cases we are
 			 * using javasourceviewerconfiguration.
 			 */
 			fJavaSourceViewerConfiguration = new JavaSourceViewerConfiguration(JavaUI.getColorManager(), store, null, IJavaPartitions.JAVA_PARTITIONING);
 		}
 		return fJavaSourceViewerConfiguration;
 	}

 	public LineStyleProvider[] getLineStyleProviders(ISourceViewer sourceViewer, String partitionType) {
 		LineStyleProvider[] providers = null;

 		if (partitionType == IHTMLPartitions.HTML_DEFAULT || partitionType == IHTMLPartitions.HTML_COMMENT || partitionType == IHTMLPartitions.HTML_DECLARATION) {
 			providers = getHTMLSourceViewerConfiguration().getLineStyleProviders(sourceViewer, IHTMLPartitions.HTML_DEFAULT);
 		}
 		else if (partitionType == IHTMLPartitions.SCRIPT || partitionType == IJSPPartitions.JSP_CONTENT_JAVASCRIPT) {
 			providers = getHTMLSourceViewerConfiguration().getLineStyleProviders(sourceViewer, IHTMLPartitions.SCRIPT);
 		}
 		else if (partitionType == ICSSPartitions.STYLE) {
 			providers = getHTMLSourceViewerConfiguration().getLineStyleProviders(sourceViewer, ICSSPartitions.STYLE);
 		}
 		else if (partitionType == IXMLPartitions.XML_DEFAULT || partitionType == IXMLPartitions.XML_CDATA || partitionType == IXMLPartitions.XML_COMMENT || partitionType == IXMLPartitions.XML_DECLARATION || partitionType == IXMLPartitions.XML_PI) {
 			providers = getXMLSourceViewerConfiguration().getLineStyleProviders(sourceViewer, IXMLPartitions.XML_DEFAULT);
 		}
 		else if (partitionType == IJSPPartitions.JSP_CONTENT_JAVA) {
 			providers = new LineStyleProvider[]{getLineStyleProviderForJava()};
 		}
 		else if (partitionType == IJSPPartitions.JSP_DEFAULT_EL) {
 			providers = new LineStyleProvider[]{getLineStyleProviderForJSPEL()};
 		}
 		else if (partitionType == IJSPPartitions.JSP_COMMENT || partitionType == IJSPPartitions.JSP_CONTENT_DELIMITER || partitionType == IJSPPartitions.JSP_DEFAULT || partitionType == IJSPPartitions.JSP_DIRECTIVE) {
 			providers = new LineStyleProvider[]{getLineStyleProviderForJSP()};
 		}

 		return providers;
 	}

 	private LineStyleProvider getLineStyleProviderForJava() {
 		if (fLineStyleProviderForJava == null) {
 			fLineStyleProviderForJava = new LineStyleProviderForJava();
 		}
 		return fLineStyleProviderForJava;
 	}

 	private LineStyleProvider getLineStyleProviderForJSP() {
 		if (fLineStyleProviderForJSP == null) {
 			fLineStyleProviderForJSP = new LineStyleProviderForJSP();
 		}
 		return fLineStyleProviderForJSP;
 	}

 	private LineStyleProvider getLineStyleProviderForJSPEL() {
 		if (fLineStyleProviderForJSPEL == null) {
 			fLineStyleProviderForJSPEL = new LineStyleProviderForJSPEL();
 		}
 		return fLineStyleProviderForJSPEL;
 	}

 	public ITextHover getTextHover(ISourceViewer sourceViewer, String contentType, int stateMask) {
 		ITextHover hover = null;

 		if (contentType == IHTMLPartitions.HTML_DEFAULT || contentType == IHTMLPartitions.SCRIPT) {
 			// html and javascript regions
 			hover = getHTMLSourceViewerConfiguration().getTextHover(sourceViewer, contentType, stateMask);
 		}
 		else if (contentType == IXMLPartitions.XML_DEFAULT) {
 			// xml regions
 			hover = getXMLSourceViewerConfiguration().getTextHover(sourceViewer, contentType, stateMask);
 		}
 		else if ((contentType == IJSPPartitions.JSP_DEFAULT) || (contentType == IJSPPartitions.JSP_DIRECTIVE) || (contentType == IJSPPartitions.JSP_CONTENT_JAVA)) {
 			TextHoverManager manager = SSEUIPlugin.getDefault().getTextHoverManager();
 			TextHoverManager.TextHoverDescriptor[] hoverDescs = manager.getTextHovers();
 			int i = 0;
 			while (i < hoverDescs.length && hover == null) {
 				if (hoverDescs[i].isEnabled() && EditorUtility.computeStateMask(hoverDescs[i].getModifierString()) == stateMask) {
 					String hoverType = hoverDescs[i].getId();
 					if (TextHoverManager.COMBINATION_HOVER.equalsIgnoreCase(hoverType)) {
 						if ((contentType == IJSPPartitions.JSP_DEFAULT) || (contentType == IJSPPartitions.JSP_DIRECTIVE)) {
 							// JSP
 							hover = manager.createBestMatchHover(new JSPTagInfoHoverProcessor());
 						}
 						else {
 							// JSP Java
 							hover = manager.createBestMatchHover(new JSPJavaJavadocHoverProcessor());
 						}
 					}
 					else if (TextHoverManager.DOCUMENTATION_HOVER.equalsIgnoreCase(hoverType)) {
 						if ((contentType == IJSPPartitions.JSP_DEFAULT) || (contentType == IJSPPartitions.JSP_DIRECTIVE)) {
 							// JSP
 							hover = new JSPTagInfoHoverProcessor();
 						}
 						else {
 							// JSP Java
 							hover = new JSPJavaJavadocHoverProcessor();
 						}
 					}
 				}
 				i++;
 			}
 		}

 		// no appropriate text hovers found, try super
 		if (hover == null)
 			hover = super.getTextHover(sourceViewer, contentType, stateMask);
 		return hover;
 	}

 	private StructuredTextViewerConfiguration getXMLSourceViewerConfiguration() {
 		if (fXMLSourceViewerConfiguration == null) {
 			fXMLSourceViewerConfiguration = new StructuredTextViewerConfigurationXML();
 		}
 		return fXMLSourceViewerConfiguration;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2004, 2005 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.jst.jsp.ui;

	import java.util.ArrayList;
	import java.util.List;

	import org.eclipse.jdt.ui.JavaUI;
	import org.eclipse.jdt.ui.PreferenceConstants;
	import org.eclipse.jdt.ui.text.IJavaPartitions;
	import org.eclipse.jdt.ui.text.JavaSourceViewerConfiguration;
	import org.eclipse.jface.preference.IPreferenceStore;
	import org.eclipse.jface.text.IAutoEditStrategy;
	import org.eclipse.jface.text.ITextDoubleClickStrategy;
	import org.eclipse.jface.text.ITextHover;
	import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
	import org.eclipse.jface.text.contentassist.IContentAssistant;
	import org.eclipse.jface.text.formatter.IContentFormatter;
	import org.eclipse.jface.text.formatter.MultiPassContentFormatter;
	import org.eclipse.jface.text.hyperlink.IHyperlinkDetector;
	import org.eclipse.jface.text.information.IInformationPresenter;
	import org.eclipse.jface.text.information.IInformationProvider;
	import org.eclipse.jface.text.source.ISourceViewer;
	import org.eclipse.jst.jsp.core.internal.text.StructuredTextPartitionerForJSP;
	import org.eclipse.jst.jsp.core.text.IJSPPartitions;
	import org.eclipse.jst.jsp.ui.internal.autoedit.AutoEditStrategyForTabs;
	import org.eclipse.jst.jsp.ui.internal.autoedit.StructuredAutoEditStrategyJSP;
	import org.eclipse.jst.jsp.ui.internal.contentassist.JSPContentAssistProcessor;
	import org.eclipse.jst.jsp.ui.internal.contentassist.JSPELContentAssistProcessor;
	import org.eclipse.jst.jsp.ui.internal.contentassist.JSPJavaContentAssistProcessor;
	import org.eclipse.jst.jsp.ui.internal.contentassist.NoRegionContentAssistProcessorForJSP;
	import org.eclipse.jst.jsp.ui.internal.format.FormattingStrategyJSPJava;
	import org.eclipse.jst.jsp.ui.internal.hyperlink.JSPJavaHyperlinkDetector;
	import org.eclipse.jst.jsp.ui.internal.hyperlink.TaglibHyperlinkDetector;
	import org.eclipse.jst.jsp.ui.internal.hyperlink.XMLHyperlinkDetector;
	import org.eclipse.jst.jsp.ui.internal.style.LineStyleProviderForJSP;
	import org.eclipse.jst.jsp.ui.internal.style.java.LineStyleProviderForJava;
	import org.eclipse.jst.jsp.ui.internal.style.jspel.LineStyleProviderForJSPEL;
	import org.eclipse.jst.jsp.ui.internal.taginfo.JSPInformationProvider;
	import org.eclipse.jst.jsp.ui.internal.taginfo.JSPJavaJavadocHoverProcessor;
	import org.eclipse.jst.jsp.ui.internal.taginfo.JSPJavaJavadocInformationProvider;
	import org.eclipse.jst.jsp.ui.internal.taginfo.JSPTagInfoHoverProcessor;
	import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants;
	import org.eclipse.wst.css.core.text.ICSSPartitions;
	import org.eclipse.wst.html.core.internal.format.HTMLFormatProcessorImpl;
	import org.eclipse.wst.html.core.text.IHTMLPartitions;
	import org.eclipse.wst.html.ui.StructuredTextViewerConfigurationHTML;
	import org.eclipse.wst.sse.core.text.IStructuredPartitions;
	import org.eclipse.wst.sse.ui.StructuredTextViewerConfiguration;
	import org.eclipse.wst.sse.ui.internal.SSEUIPlugin;
	import org.eclipse.wst.sse.ui.internal.format.StructuredFormattingStrategy;
	import org.eclipse.wst.sse.ui.internal.provisional.style.LineStyleProvider;
	import org.eclipse.wst.sse.ui.internal.taginfo.TextHoverManager;
	import org.eclipse.wst.sse.ui.internal.util.EditorUtility;
	import org.eclipse.wst.xml.core.text.IXMLPartitions;
	import org.eclipse.wst.xml.ui.StructuredTextViewerConfigurationXML;

	/**
	* Configuration for a source viewer which shows JSP 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 StructuredTextViewerConfigurationJSP 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 fLineStyleProviderForJava;
	/*
	* One instance per configuration
	*/
	private LineStyleProvider fLineStyleProviderForJSP;
	/*
	* One instance per configuration
	*/
	private LineStyleProvider fLineStyleProviderForJSPEL;
	private StructuredTextViewerConfiguration fHTMLSourceViewerConfiguration;
	private JavaSourceViewerConfiguration fJavaSourceViewerConfiguration;
	private StructuredTextViewerConfiguration fXMLSourceViewerConfiguration;

	/**
	* Create new instance of StructuredTextViewerConfigurationJSP
	*/
	public StructuredTextViewerConfigurationJSP() {
	// Must have empty constructor to createExecutableExtension
	super();
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.text.source.SourceViewerConfiguration#getAutoEditStrategies(org.eclipse.jface.text.source.ISourceViewer,
	* java.lang.String)
	*/
	public IAutoEditStrategy[] getAutoEditStrategies(ISourceViewer sourceViewer, String contentType) {
	IAutoEditStrategy[] strategies = null;

	if (contentType == IXMLPartitions.XML_DEFAULT) {
	// xml autoedit strategies
	strategies = getXMLSourceViewerConfiguration().getAutoEditStrategies(sourceViewer, contentType);
	}
	else if (contentType == IJSPPartitions.JSP_CONTENT_JAVA) {
	// jsp java autoedit strategies
	List allStrategies = new ArrayList(0);

	IAutoEditStrategy[] javaStrategies = getJavaSourceViewerConfiguration().getAutoEditStrategies(sourceViewer, IJavaPartitions.JAVA_PARTITIONING);
	for (int i = 0; i < javaStrategies.length; i++) {
	allStrategies.add(javaStrategies[i]);
	}
	// be sure this is added last, after others, so it can modify
	// results from earlier steps.
	// add auto edit strategy that handles when tab key is pressed
	allStrategies.add(new AutoEditStrategyForTabs());

	strategies = (IAutoEditStrategy[]) allStrategies.toArray(new IAutoEditStrategy[allStrategies.size()]);
	}
	else if (contentType == IHTMLPartitions.HTML_DEFAULT \|\| contentType == IHTMLPartitions.HTML_DECLARATION) {
	// html and jsp autoedit strategies
	List allStrategies = new ArrayList(0);

	// add the jsp autoedit strategy first then add all html's
	allStrategies.add(new StructuredAutoEditStrategyJSP());

	IAutoEditStrategy[] htmlStrategies = getHTMLSourceViewerConfiguration().getAutoEditStrategies(sourceViewer, contentType);
	for (int i = 0; i < htmlStrategies.length; i++) {
	allStrategies.add(htmlStrategies[i]);
	}

	strategies = (IAutoEditStrategy[]) allStrategies.toArray(new IAutoEditStrategy[allStrategies.size()]);
	}
	else {
	// default autoedit strategies
	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, after others, so it can modify
	// results from earlier steps.
	// add auto edit strategy that handles when tab key is pressed
	allStrategies.add(new AutoEditStrategyForTabs());

	strategies = (IAutoEditStrategy[]) allStrategies.toArray(new IAutoEditStrategy[allStrategies.size()]);
	}

	return strategies;
	}

	public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) {
	if (fConfiguredContentTypes == null) {
	/*
	* A little bit of cheating because assuming html's configured
	* content types will add default, unknown, and all xml configured
	* content types
	*/
	String[] htmlTypes = getHTMLSourceViewerConfiguration().getConfiguredContentTypes(sourceViewer);
	String[] jspTypes = StructuredTextPartitionerForJSP.getConfiguredContentTypes();
	fConfiguredContentTypes = new String[htmlTypes.length + jspTypes.length];

	int index = 0;
	System.arraycopy(htmlTypes, 0, fConfiguredContentTypes, index, htmlTypes.length);
	System.arraycopy(jspTypes, 0, fConfiguredContentTypes, index += htmlTypes.length, jspTypes.length);
	}

	return fConfiguredContentTypes;
	}

	protected IContentAssistProcessor[] getContentAssistProcessors(ISourceViewer sourceViewer, String partitionType) {
	IContentAssistProcessor[] processors = null;

	if (partitionType == IHTMLPartitions.SCRIPT) {
	// HTML JavaScript
	IContentAssistant htmlContentAssistant = getHTMLSourceViewerConfiguration().getContentAssistant(sourceViewer);
	IContentAssistProcessor processor = htmlContentAssistant.getContentAssistProcessor(IHTMLPartitions.SCRIPT);
	processors = new IContentAssistProcessor[]{processor};
	}
	else if (partitionType == ICSSPartitions.STYLE) {
	// HTML CSS
	IContentAssistant htmlContentAssistant = getHTMLSourceViewerConfiguration().getContentAssistant(sourceViewer);
	IContentAssistProcessor processor = htmlContentAssistant.getContentAssistProcessor(ICSSPartitions.STYLE);
	processors = new IContentAssistProcessor[]{processor};
	}
	// // jspcontentassistprocessor handles this?
	// else if ((partitionType == IHTMLPartitionTypes.HTML_DEFAULT) \|\|
	// (partitionType == IHTMLPartitionTypes.HTML_COMMENT)) {
	// processors = new IContentAssistProcessor[]{new
	// HTMLContentAssistProcessor()};
	// }
	else if ((partitionType == IXMLPartitions.XML_DEFAULT) \|\| (partitionType == IHTMLPartitions.HTML_DEFAULT) \|\| (partitionType == IHTMLPartitions.HTML_COMMENT) \|\| (partitionType == IJSPPartitions.JSP_DEFAULT) \|\| (partitionType == IJSPPartitions.JSP_DIRECTIVE) \|\| (partitionType == IJSPPartitions.JSP_CONTENT_DELIMITER) \|\| (partitionType == IJSPPartitions.JSP_CONTENT_JAVASCRIPT) \|\| (partitionType == IJSPPartitions.JSP_COMMENT)) {
	// jsp
	processors = new IContentAssistProcessor[]{new JSPContentAssistProcessor()};
	}
	else if ((partitionType == IXMLPartitions.XML_CDATA) \|\| (partitionType == IJSPPartitions.JSP_CONTENT_JAVA)) {
	// jsp java
	processors = new IContentAssistProcessor[]{new JSPJavaContentAssistProcessor()};
	}
	else if (partitionType == IJSPPartitions.JSP_DEFAULT_EL) {
	// jsp el
	processors = new IContentAssistProcessor[]{new JSPELContentAssistProcessor()};
	}
	else if (partitionType == IStructuredPartitions.UNKNOWN_PARTITION) {
	// unknown
	processors = new IContentAssistProcessor[]{new NoRegionContentAssistProcessorForJSP()};
	}

	return processors;
	}

	public IContentFormatter getContentFormatter(ISourceViewer sourceViewer) {
	MultiPassContentFormatter formatter = new MultiPassContentFormatter(getConfiguredDocumentPartitioning(sourceViewer), IXMLPartitions.XML_DEFAULT);

	formatter.setMasterStrategy(new StructuredFormattingStrategy(new HTMLFormatProcessorImpl()));
	formatter.setSlaveStrategy(new FormattingStrategyJSPJava(), IJSPPartitions.JSP_CONTENT_JAVA);

	return formatter;
	}

	public ITextDoubleClickStrategy getDoubleClickStrategy(ISourceViewer sourceViewer, String contentType) {
	ITextDoubleClickStrategy strategy = null;

	// html or javascript
	if (contentType == IHTMLPartitions.HTML_DEFAULT \|\| contentType == IHTMLPartitions.SCRIPT)
	strategy = getHTMLSourceViewerConfiguration().getDoubleClickStrategy(sourceViewer, contentType);
	else if (contentType == IJSPPartitions.JSP_CONTENT_JAVA \|\| contentType == IJSPPartitions.JSP_CONTENT_JAVASCRIPT)
	// JSP Java or JSP JavaScript
	strategy = getJavaSourceViewerConfiguration().getDoubleClickStrategy(sourceViewer, contentType);
	else if (contentType == IJSPPartitions.JSP_DEFAULT)
	// JSP (just treat like html)
	strategy = getHTMLSourceViewerConfiguration().getDoubleClickStrategy(sourceViewer, IHTMLPartitions.HTML_DEFAULT);
	else
	strategy = super.getDoubleClickStrategy(sourceViewer, contentType);

	return strategy;
	}

	private StructuredTextViewerConfiguration getHTMLSourceViewerConfiguration() {
	if (fHTMLSourceViewerConfiguration == null) {
	fHTMLSourceViewerConfiguration = new StructuredTextViewerConfigurationHTML();
	}
	return fHTMLSourceViewerConfiguration;
	}

	public IHyperlinkDetector[] getHyperlinkDetectors(ISourceViewer sourceViewer) {
	if (fPreferenceStore == null)
	return null;
	if (sourceViewer == null \|\| !fPreferenceStore.getBoolean(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_HYPERLINKS_ENABLED))
	return null;

	List allDetectors = new ArrayList(0);
	allDetectors.add(new JSPJavaHyperlinkDetector());
	allDetectors.add(new TaglibHyperlinkDetector());
	allDetectors.add(new XMLHyperlinkDetector());

	IHyperlinkDetector[] superDetectors = super.getHyperlinkDetectors(sourceViewer);
	for (int m = 0; m < superDetectors.length; m++) {
	IHyperlinkDetector detector = superDetectors[m];
	if (!allDetectors.contains(detector)) {
	allDetectors.add(detector);
	}
	}
	return (IHyperlinkDetector[]) allDetectors.toArray(new IHyperlinkDetector[0]);
	}

	public String[] getIndentPrefixes(ISourceViewer sourceViewer, String contentType) {
	String[] indentations = null;

	if (contentType == IXMLPartitions.XML_DEFAULT)
	indentations = getXMLSourceViewerConfiguration().getIndentPrefixes(sourceViewer, contentType);
	else
	indentations = getHTMLSourceViewerConfiguration().getIndentPrefixes(sourceViewer, contentType);

	return indentations;
	}

	protected IInformationProvider getInformationProvider(ISourceViewer sourceViewer, String partitionType) {
	IInformationProvider provider = null;
	if (partitionType == IHTMLPartitions.HTML_DEFAULT) {
	// HTML
	IInformationPresenter htmlPresenter = getHTMLSourceViewerConfiguration().getInformationPresenter(sourceViewer);
	provider = htmlPresenter.getInformationProvider(IHTMLPartitions.HTML_DEFAULT);
	}
	else if (partitionType == IHTMLPartitions.SCRIPT) {
	// HTML JavaScript
	IInformationPresenter htmlPresenter = getHTMLSourceViewerConfiguration().getInformationPresenter(sourceViewer);
	provider = htmlPresenter.getInformationProvider(IHTMLPartitions.SCRIPT);
	}
	else if (partitionType == IXMLPartitions.XML_DEFAULT) {
	// XML
	IInformationPresenter xmlPresenter = getXMLSourceViewerConfiguration().getInformationPresenter(sourceViewer);
	provider = xmlPresenter.getInformationProvider(IXMLPartitions.XML_DEFAULT);
	}
	else if ((partitionType == IJSPPartitions.JSP_DEFAULT) \|\| (partitionType == IJSPPartitions.JSP_DIRECTIVE)) {
	// JSP tags
	provider = new JSPInformationProvider();
	}
	else if (partitionType == IJSPPartitions.JSP_CONTENT_JAVA) {
	// JSP java
	provider = new JSPJavaJavadocInformationProvider();
	}
	return provider;
	}

	private JavaSourceViewerConfiguration getJavaSourceViewerConfiguration() {
	if (fJavaSourceViewerConfiguration == null) {
	IPreferenceStore store = PreferenceConstants.getPreferenceStore();
	/*
	* NOTE: null text editor is being passed to
	* JavaSourceViewerConfiguration because
	* StructuredTextViewerConfiguration does not know current editor.
	* this is okay because editor is not needed in the cases we are
	* using javasourceviewerconfiguration.
	*/
	fJavaSourceViewerConfiguration = new JavaSourceViewerConfiguration(JavaUI.getColorManager(), store, null, IJavaPartitions.JAVA_PARTITIONING);
	}
	return fJavaSourceViewerConfiguration;
	}

	public LineStyleProvider[] getLineStyleProviders(ISourceViewer sourceViewer, String partitionType) {
	LineStyleProvider[] providers = null;

	if (partitionType == IHTMLPartitions.HTML_DEFAULT \|\| partitionType == IHTMLPartitions.HTML_COMMENT \|\| partitionType == IHTMLPartitions.HTML_DECLARATION) {
	providers = getHTMLSourceViewerConfiguration().getLineStyleProviders(sourceViewer, IHTMLPartitions.HTML_DEFAULT);
	}
	else if (partitionType == IHTMLPartitions.SCRIPT \|\| partitionType == IJSPPartitions.JSP_CONTENT_JAVASCRIPT) {
	providers = getHTMLSourceViewerConfiguration().getLineStyleProviders(sourceViewer, IHTMLPartitions.SCRIPT);
	}
	else if (partitionType == ICSSPartitions.STYLE) {
	providers = getHTMLSourceViewerConfiguration().getLineStyleProviders(sourceViewer, ICSSPartitions.STYLE);
	}
	else if (partitionType == IXMLPartitions.XML_DEFAULT \|\| partitionType == IXMLPartitions.XML_CDATA \|\| partitionType == IXMLPartitions.XML_COMMENT \|\| partitionType == IXMLPartitions.XML_DECLARATION \|\| partitionType == IXMLPartitions.XML_PI) {
	providers = getXMLSourceViewerConfiguration().getLineStyleProviders(sourceViewer, IXMLPartitions.XML_DEFAULT);
	}
	else if (partitionType == IJSPPartitions.JSP_CONTENT_JAVA) {
	providers = new LineStyleProvider[]{getLineStyleProviderForJava()};
	}
	else if (partitionType == IJSPPartitions.JSP_DEFAULT_EL) {
	providers = new LineStyleProvider[]{getLineStyleProviderForJSPEL()};
	}
	else if (partitionType == IJSPPartitions.JSP_COMMENT \|\| partitionType == IJSPPartitions.JSP_CONTENT_DELIMITER \|\| partitionType == IJSPPartitions.JSP_DEFAULT \|\| partitionType == IJSPPartitions.JSP_DIRECTIVE) {
	providers = new LineStyleProvider[]{getLineStyleProviderForJSP()};
	}

	return providers;
	}

	private LineStyleProvider getLineStyleProviderForJava() {
	if (fLineStyleProviderForJava == null) {
	fLineStyleProviderForJava = new LineStyleProviderForJava();
	}
	return fLineStyleProviderForJava;
	}

	private LineStyleProvider getLineStyleProviderForJSP() {
	if (fLineStyleProviderForJSP == null) {
	fLineStyleProviderForJSP = new LineStyleProviderForJSP();
	}
	return fLineStyleProviderForJSP;
	}

	private LineStyleProvider getLineStyleProviderForJSPEL() {
	if (fLineStyleProviderForJSPEL == null) {
	fLineStyleProviderForJSPEL = new LineStyleProviderForJSPEL();
	}
	return fLineStyleProviderForJSPEL;
	}

	public ITextHover getTextHover(ISourceViewer sourceViewer, String contentType, int stateMask) {
	ITextHover hover = null;

	if (contentType == IHTMLPartitions.HTML_DEFAULT \|\| contentType == IHTMLPartitions.SCRIPT) {
	// html and javascript regions
	hover = getHTMLSourceViewerConfiguration().getTextHover(sourceViewer, contentType, stateMask);
	}
	else if (contentType == IXMLPartitions.XML_DEFAULT) {
	// xml regions
	hover = getXMLSourceViewerConfiguration().getTextHover(sourceViewer, contentType, stateMask);
	}
	else if ((contentType == IJSPPartitions.JSP_DEFAULT) \|\| (contentType == IJSPPartitions.JSP_DIRECTIVE) \|\| (contentType == IJSPPartitions.JSP_CONTENT_JAVA)) {
	TextHoverManager manager = SSEUIPlugin.getDefault().getTextHoverManager();
	TextHoverManager.TextHoverDescriptor[] hoverDescs = manager.getTextHovers();
	int i = 0;
	while (i < hoverDescs.length && hover == null) {
	if (hoverDescs[i].isEnabled() && EditorUtility.computeStateMask(hoverDescs[i].getModifierString()) == stateMask) {
	String hoverType = hoverDescs[i].getId();
	if (TextHoverManager.COMBINATION_HOVER.equalsIgnoreCase(hoverType)) {
	if ((contentType == IJSPPartitions.JSP_DEFAULT) \|\| (contentType == IJSPPartitions.JSP_DIRECTIVE)) {
	// JSP
	hover = manager.createBestMatchHover(new JSPTagInfoHoverProcessor());
	}
	else {
	// JSP Java
	hover = manager.createBestMatchHover(new JSPJavaJavadocHoverProcessor());
	}
	}
	else if (TextHoverManager.DOCUMENTATION_HOVER.equalsIgnoreCase(hoverType)) {
	if ((contentType == IJSPPartitions.JSP_DEFAULT) \|\| (contentType == IJSPPartitions.JSP_DIRECTIVE)) {
	// JSP
	hover = new JSPTagInfoHoverProcessor();
	}
	else {
	// JSP Java
	hover = new JSPJavaJavadocHoverProcessor();
	}
	}
	}
	i++;
	}
	}

	// no appropriate text hovers found, try super
	if (hover == null)
	hover = super.getTextHover(sourceViewer, contentType, stateMask);
	return hover;
	}

	private StructuredTextViewerConfiguration getXMLSourceViewerConfiguration() {
	if (fXMLSourceViewerConfiguration == null) {
	fXMLSourceViewerConfiguration = new StructuredTextViewerConfigurationXML();
	}
	return fXMLSourceViewerConfiguration;
	}
	}