Attachment 37375 Details for Bug 115927 – org.eclipse.wst.html.ui.patch

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[patch] org.eclipse.wst.html.ui.patch

org.eclipse.wst.html.ui.patch (text/plain), 13.36 KB, created by Amy Wu

on 2006-03-30 20:03:40 EST

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Creator: Amy Wu

Created: 2006-03-30 20:03:40 EST

Size: 13.36 KB

patch

obsolete

>Index: src/org/eclipse/wst/html/ui/internal/contentassist/HTMLContentAssistProcessor.java
>===================================================================
>RCS file: /cvsroot/webtools/wst/components/html/plugins/org.eclipse.wst.html.ui/src/org/eclipse/wst/html/ui/internal/contentassist/HTMLContentAssistProcessor.java,v
>retrieving revision 1.22
>diff -u -r1.22 HTMLContentAssistProcessor.java
>--- src/org/eclipse/wst/html/ui/internal/contentassist/HTMLContentAssistProcessor.java	7 Sep 2005 23:49:25 -0000	1.22
>+++ src/org/eclipse/wst/html/ui/internal/contentassist/HTMLContentAssistProcessor.java	31 Mar 2006 01:03:00 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2004 IBM Corporation and others.
>+ * Copyright (c) 2004, 2006 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
>@@ -119,9 +119,20 @@
> 	 * @param context
> 	 */
> 	private void addTemplates(ContentAssistRequest contentAssistRequest, String context) {
>+		addTemplates(contentAssistRequest, context, contentAssistRequest.getReplacementBeginPosition());
>+	}
>+	
>+	/**
>+	 * Adds templates to the list of proposals
>+	 * 
>+	 * @param contentAssistRequest
>+	 * @param context
>+	 * @param startOffset
>+	 */
>+	private void addTemplates(ContentAssistRequest contentAssistRequest, String context, int startOffset) {
> 		if (contentAssistRequest == null)
> 			return;
>-
>+		
> 		// if already adding template proposals for a certain context type, do
> 		// not add again
> 		if (!fTemplateContexts.contains(context)) {
>@@ -130,7 +141,7 @@
> 
> 			if (getTemplateCompletionProcessor() != null) {
> 				getTemplateCompletionProcessor().setContextType(context);
>-				ICompletionProposal[] proposals = getTemplateCompletionProcessor().computeCompletionProposals(fTextViewer, contentAssistRequest.getReplacementBeginPosition());
>+				ICompletionProposal[] proposals = getTemplateCompletionProcessor().computeCompletionProposals(fTextViewer, startOffset);
> 				for (int i = 0; i < proposals.length; ++i) {
> 					if (useProposalList)
> 						contentAssistRequest.addProposal(proposals[i]);
>@@ -151,7 +162,8 @@
> 
> 	protected ContentAssistRequest computeCompletionProposals(int documentPosition, String matchString, ITextRegion completionRegion, IDOMNode treeNode, IDOMNode xmlnode) {
> 		ContentAssistRequest request = super.computeCompletionProposals(documentPosition, matchString, completionRegion, treeNode, xmlnode);
>-		addTemplates(request, TemplateContextTypeIdsHTML.ALL);
>+		// bug115927 use original document position for all/any region templates
>+		addTemplates(request, TemplateContextTypeIdsHTML.ALL, documentPosition);
> 		return request;
> 	}
> 
>Index: src/org/eclipse/wst/html/ui/internal/contentassist/HTMLTemplateCompletionProcessor.java
>===================================================================
>RCS file: /cvsroot/webtools/wst/components/html/plugins/org.eclipse.wst.html.ui/src/org/eclipse/wst/html/ui/internal/contentassist/HTMLTemplateCompletionProcessor.java,v
>retrieving revision 1.3
>diff -u -r1.3 HTMLTemplateCompletionProcessor.java
>--- src/org/eclipse/wst/html/ui/internal/contentassist/HTMLTemplateCompletionProcessor.java	15 Mar 2005 02:43:58 -0000	1.3
>+++ src/org/eclipse/wst/html/ui/internal/contentassist/HTMLTemplateCompletionProcessor.java	31 Mar 2006 01:03:00 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2004 IBM Corporation and others.
>+ * Copyright (c) 2004, 2006 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
>@@ -10,14 +10,24 @@
>  *******************************************************************************/
> package org.eclipse.wst.html.ui.internal.contentassist;
> 
>+import java.util.ArrayList;
>+import java.util.Collections;
>+import java.util.Comparator;
>+import java.util.List;
>+
>+import org.eclipse.jface.text.IDocument;
> import org.eclipse.jface.text.IRegion;
>+import org.eclipse.jface.text.ITextSelection;
> import org.eclipse.jface.text.ITextViewer;
>+import org.eclipse.jface.text.Region;
> import org.eclipse.jface.text.contentassist.ICompletionProposal;
> import org.eclipse.jface.text.templates.ContextTypeRegistry;
> import org.eclipse.jface.text.templates.Template;
> import org.eclipse.jface.text.templates.TemplateCompletionProcessor;
> import org.eclipse.jface.text.templates.TemplateContext;
> import org.eclipse.jface.text.templates.TemplateContextType;
>+import org.eclipse.jface.text.templates.TemplateException;
>+import org.eclipse.jface.text.templates.TemplateProposal;
> import org.eclipse.jface.text.templates.persistence.TemplateStore;
> import org.eclipse.swt.graphics.Image;
> import org.eclipse.wst.html.ui.internal.HTMLUIPlugin;
>@@ -33,8 +43,88 @@
>  * templates.
>  */
> class HTMLTemplateCompletionProcessor extends TemplateCompletionProcessor {
>+	private static final class ProposalComparator implements Comparator {
>+		public int compare(Object o1, Object o2) {
>+			return ((TemplateProposal) o2).getRelevance() - ((TemplateProposal) o1).getRelevance();
>+		}
>+	}
>+
>+	private static final Comparator fgProposalComparator = new ProposalComparator();
> 	private String fContextTypeId = null;
> 
>+	/*
>+	 * Copied from super class except instead of calling createContext(viewer,
>+	 * region) call createContext(viewer, region, offset) instead
>+	 */
>+	public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int offset) {
>+
>+		ITextSelection selection = (ITextSelection) viewer.getSelectionProvider().getSelection();
>+
>+		// adjust offset to end of normalized selection
>+		if (selection.getOffset() == offset)
>+			offset = selection.getOffset() + selection.getLength();
>+
>+		String prefix = extractPrefix(viewer, offset);
>+		Region region = new Region(offset - prefix.length(), prefix.length());
>+		TemplateContext context = createContext(viewer, region, offset);
>+		if (context == null)
>+			return new ICompletionProposal[0];
>+
>+		context.setVariable("selection", selection.getText()); // name of the
>+																// selection
>+																// variables
>+																// {line,
>+																// word}_selection
>+																// //$NON-NLS-1$
>+
>+		Template[] templates = getTemplates(context.getContextType().getId());
>+
>+		List matches = new ArrayList();
>+		for (int i = 0; i < templates.length; i++) {
>+			Template template = templates[i];
>+			try {
>+				context.getContextType().validate(template.getPattern());
>+			}
>+			catch (TemplateException e) {
>+				continue;
>+			}
>+			if (template.matches(prefix, context.getContextType().getId()))
>+				matches.add(createProposal(template, context, (IRegion) region, getRelevance(template, prefix)));
>+		}
>+
>+		Collections.sort(matches, fgProposalComparator);
>+
>+		return (ICompletionProposal[]) matches.toArray(new ICompletionProposal[matches.size()]);
>+	}
>+
>+	/**
>+	 * Creates a concrete template context for the given region in the
>+	 * document. This involves finding out which context type is valid at the
>+	 * given location, and then creating a context of this type. The default
>+	 * implementation returns a <code>SmartReplaceTemplateContext</code> for
>+	 * the context type at the given location. This takes the offset at which
>+	 * content assist was invoked into consideration.
>+	 * 
>+	 * @param viewer
>+	 *            the viewer for which the context is created
>+	 * @param region
>+	 *            the region into <code>document</code> for which the
>+	 *            context is created
>+	 * @param offset
>+	 *            the original offset where content assist was invoked
>+	 * @return a template context that can handle template insertion at the
>+	 *         given location, or <code>null</code>
>+	 */
>+	private TemplateContext createContext(ITextViewer viewer, IRegion region, int offset) {
>+		// pretty much same code as super.createContext except create SmartReplaceTemplateContext
>+		TemplateContextType contextType = getContextType(viewer, region);
>+		if (contextType != null) {
>+			IDocument document = viewer.getDocument();
>+			return new ReplaceNameTemplateContext(contextType, document, region.getOffset(), region.getLength(), offset);
>+		}
>+		return null;
>+	}
>+
> 	protected ICompletionProposal createProposal(Template template, TemplateContext context, IRegion region, int relevance) {
> 		return new CustomTemplateProposal(template, context, region, getImage(template), relevance);
> 	}
>Index: src/org/eclipse/wst/html/ui/internal/contentassist/ReplaceNameTemplateContext.java
>===================================================================
>RCS file: src/org/eclipse/wst/html/ui/internal/contentassist/ReplaceNameTemplateContext.java
>diff -N src/org/eclipse/wst/html/ui/internal/contentassist/ReplaceNameTemplateContext.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/wst/html/ui/internal/contentassist/ReplaceNameTemplateContext.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,109 @@
>+/*******************************************************************************
>+ * Copyright (c) 2006 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.internal.contentassist;
>+
>+import org.eclipse.jface.text.BadLocationException;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.jface.text.Position;
>+import org.eclipse.jface.text.templates.DocumentTemplateContext;
>+import org.eclipse.jface.text.templates.Template;
>+import org.eclipse.jface.text.templates.TemplateBuffer;
>+import org.eclipse.jface.text.templates.TemplateContextType;
>+import org.eclipse.jface.text.templates.TemplateException;
>+
>+/**
>+ * Just like DocumentTemplateContext except if an insert offset is passed in,
>+ * during evaluation, the "prefix" before the template will be checked to see
>+ * if it matches the template name. If so, overwrite the template name.
>+ * Otherwise, just insert the template at the insert offset location (by not
>+ * overwriting the prefix text)
>+ */
>+public class ReplaceNameTemplateContext extends DocumentTemplateContext {
>+	private int fInsertOffset = -1;
>+
>+	/**
>+	 * Creates a document template context.
>+	 * 
>+	 * @param type
>+	 *            the context type
>+	 * @param document
>+	 *            the document this context applies to
>+	 * @param offset
>+	 *            the offset of the document region
>+	 * @param length
>+	 *            the length of the document region
>+	 */
>+	public ReplaceNameTemplateContext(TemplateContextType type, IDocument document, int offset, int length) {
>+		this(type, document, new Position(offset, length));
>+	}
>+
>+	/**
>+	 * Creates a document template context. The supplied <code>Position</code>
>+	 * will be queried to compute the <code>getStart</code> and
>+	 * <code>getEnd</code> methods, which will therefore answer updated
>+	 * position data if it is registered with the document.
>+	 * 
>+	 * @param type
>+	 *            the context type
>+	 * @param document
>+	 *            the document this context applies to
>+	 * @param position
>+	 *            the position describing the area of the document which forms
>+	 *            the template context
>+	 * @since 3.1
>+	 */
>+	public ReplaceNameTemplateContext(TemplateContextType type, IDocument document, Position position) {
>+		super(type, document, position);
>+	}
>+
>+	/**
>+	 * Creates a document template context.
>+	 * 
>+	 * @param type
>+	 *            the context type
>+	 * @param document
>+	 *            the document this context applies to
>+	 * @param offset
>+	 *            the offset of the document region
>+	 * @param length
>+	 *            the length of the document region
>+	 * @param insertOffset
>+	 *            the offset of the document region where insert was
>+	 *            originally requested
>+	 */
>+	public ReplaceNameTemplateContext(TemplateContextType type, IDocument document, int offset, int length, int insertOffset) {
>+		this(type, document, new Position(offset, length));
>+		fInsertOffset = insertOffset;
>+	}
>+
>+	/*
>+	 * @see org.eclipse.jface.text.templates.TemplateContext#evaluate(org.eclipse.jface.text.templates.Template)
>+	 */
>+	public TemplateBuffer evaluate(Template template) throws BadLocationException, TemplateException {
>+		TemplateBuffer buffer = super.evaluate(template);
>+		if (buffer != null) {
>+			if (fInsertOffset > -1 && fInsertOffset > getStart()) {
>+				try {
>+					String prefix = getDocument().get(getStart(), fInsertOffset - getStart());
>+					if (!template.getName().startsWith(prefix)) {
>+						// generate a new buffer that actually contains the
>+						// text that was going to be overwritten
>+						buffer = new TemplateBuffer(prefix + buffer.getString(), buffer.getVariables());
>+					}
>+				}
>+				catch (BadLocationException e) {
>+
>+				}
>+			}
>+		}
>+		return buffer;
>+	}
>+}

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Attachments on bug 115927: 37284 | 37285 | 37286 | 37374 | 37375 | 37376