Examples with ITextRegionList org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList used on opensource projects

Example 56 with ITextRegionList

use of org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList in project webtools.sourceediting by eclipse.

the class JSPPropertyCompletionProposalComputer method addAttributeValueProposals.

/**
 * @see org.eclipse.wst.xml.ui.internal.contentassist.DefaultXMLCompletionProposalComputer#addAttributeValueProposals(org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest, org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext)
 */
protected void addAttributeValueProposals(ContentAssistRequest contentAssistRequest, CompletionProposalInvocationContext context) {
    IDOMNode node = (IDOMNode) contentAssistRequest.getNode();
    // only add attribute value proposals for specific elements
    if (node.getNodeName().equals(JSP11Namespace.ElementName.SETPROPERTY) || node.getNodeName().equals(JSP11Namespace.ElementName.GETPROPERTY)) {
        // Find the attribute name for which this position should have a value
        IStructuredDocumentRegion open = node.getFirstStructuredDocumentRegion();
        ITextRegionList openRegions = open.getRegions();
        int i = openRegions.indexOf(contentAssistRequest.getRegion());
        if (i < 0)
            return;
        // get the attribute in question (first attr name to the left of the cursor)
        ITextRegion attrNameRegion = null;
        String attributeName = null;
        while (i >= 0) {
            attrNameRegion = openRegions.get(i--);
            if (attrNameRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME)
                break;
        }
        if (attrNameRegion != null)
            attributeName = open.getText(attrNameRegion);
        // determine get or set
        ITextRegion tagNameRegion = null;
        boolean isGetProperty = true;
        for (int j = 0; j < openRegions.size(); j++) {
            tagNameRegion = openRegions.get(j);
            if (tagNameRegion.getType() == DOMRegionContext.XML_TAG_NAME && open.getText(tagNameRegion).trim().equals("jsp:setProperty")) {
                // $NON-NLS-1$
                isGetProperty = false;
                break;
            }
        }
        String currentValue = null;
        if (contentAssistRequest.getRegion().getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE)
            currentValue = contentAssistRequest.getText();
        else
            // $NON-NLS-1$
            currentValue = "";
        String matchString = null;
        // fixups since the matchString computations don't care if there are quotes around the value
        if (currentValue.length() > StringUtils.strip(currentValue).length() && // $NON-NLS-1$ //$NON-NLS-2$
        (currentValue.startsWith("\"") || currentValue.startsWith("'")) && contentAssistRequest.getMatchString().length() > 0) {
            matchString = currentValue.substring(1, contentAssistRequest.getMatchString().length());
        } else {
            matchString = currentValue.substring(0, contentAssistRequest.getMatchString().length());
        }
        // for now we ignore complicated values such as jsp embedded in an attribute
        boolean existingComplicatedValue = contentAssistRequest.getRegion() != null && contentAssistRequest.getRegion() instanceof ITextRegionContainer;
        if (existingComplicatedValue) {
            contentAssistRequest.getProposals().clear();
            contentAssistRequest.getMacros().clear();
        } else {
            if (attributeName.equals(JSP11Namespace.ATTR_NAME_NAME)) {
                addBeanNameProposals(contentAssistRequest, node, matchString);
            } else if (attributeName.equals(JSP11Namespace.ATTR_NAME_PROPERTY)) {
                addBeanPropertyProposals(contentAssistRequest, node, isGetProperty, matchString);
            }
        }
    }
}

Example 57 with ITextRegionList

use of org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList in project webtools.sourceediting by eclipse.

the class JSPTaglibCompletionProposalComputer method addAttributeValueProposals.

/**
 * @see org.eclipse.wst.xml.ui.internal.contentassist.DefaultXMLCompletionProposalComputer#addAttributeValueProposals(org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest, org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext)
 */
protected void addAttributeValueProposals(ContentAssistRequest contentAssistRequest, CompletionProposalInvocationContext context) {
    IPath basePath = getBasePath(contentAssistRequest);
    if (basePath != null) {
        IDOMNode node = (IDOMNode) contentAssistRequest.getNode();
        // only add attribute value proposals for specific elements
        if (node.getNodeName().equals(JSP11Namespace.ElementName.DIRECTIVE_TAGLIB)) {
            // Find the attribute name for which this position should have a value
            IStructuredDocumentRegion open = node.getFirstStructuredDocumentRegion();
            ITextRegionList openRegions = open.getRegions();
            int i = openRegions.indexOf(contentAssistRequest.getRegion());
            if (i < 0)
                return;
            ITextRegion nameRegion = null;
            while (i >= 0) {
                nameRegion = openRegions.get(i--);
                if (nameRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME)
                    break;
            }
            String attributeName = null;
            if (nameRegion != null)
                attributeName = open.getText(nameRegion);
            String currentValue = null;
            if (contentAssistRequest.getRegion().getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE)
                currentValue = contentAssistRequest.getText();
            else
                // $NON-NLS-1$
                currentValue = "";
            String matchString = null;
            // fixups
            int start = contentAssistRequest.getReplacementBeginPosition();
            int length = contentAssistRequest.getReplacementLength();
            if (currentValue.length() > StringUtils.strip(currentValue).length() && // $NON-NLS-1$ //$NON-NLS-2$
            (currentValue.startsWith("\"") || currentValue.startsWith("'")) && contentAssistRequest.getMatchString().length() > 0) {
                matchString = currentValue.substring(1, contentAssistRequest.getMatchString().length());
            } else {
                matchString = currentValue.substring(0, contentAssistRequest.getMatchString().length());
            }
            boolean existingComplicatedValue = contentAssistRequest.getRegion() != null && contentAssistRequest.getRegion() instanceof ITextRegionContainer;
            if (existingComplicatedValue) {
                contentAssistRequest.getProposals().clear();
                contentAssistRequest.getMacros().clear();
            } else {
                String lowerCaseMatch = matchString.toLowerCase(Locale.US);
                if (attributeName.equals(JSP11Namespace.ATTR_NAME_URI)) {
                    ITaglibRecord[] availableTaglibRecords = TaglibIndex.getAvailableTaglibRecords(basePath);
                    /*
						 * a simple enough way to remove duplicates (resolution at
						 * runtime would be nondeterministic anyway)
						 */
                    Map uriToRecords = new HashMap();
                    for (int taglibRecordNumber = 0; taglibRecordNumber < availableTaglibRecords.length; taglibRecordNumber++) {
                        ITaglibRecord taglibRecord = availableTaglibRecords[taglibRecordNumber];
                        ITaglibDescriptor descriptor = taglibRecord.getDescriptor();
                        String uri = null;
                        switch(taglibRecord.getRecordType()) {
                            case ITaglibRecord.URL:
                                uri = descriptor.getURI();
                                uriToRecords.put(uri, taglibRecord);
                                break;
                            case ITaglibRecord.JAR:
                                {
                                    IPath location = ((IJarRecord) taglibRecord).getLocation();
                                    IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocation(location);
                                    IPath localContextRoot = FacetModuleCoreSupport.computeWebContentRootPath(basePath);
                                    for (int fileNumber = 0; fileNumber < files.length; fileNumber++) {
                                        if (localContextRoot.isPrefixOf(files[fileNumber].getFullPath())) {
                                            uri = IPath.SEPARATOR + files[fileNumber].getFullPath().removeFirstSegments(localContextRoot.segmentCount()).toString();
                                            uriToRecords.put(uri, taglibRecord);
                                        } else {
                                            uri = FacetModuleCoreSupport.getRuntimePath(files[fileNumber].getFullPath()).toString();
                                            uriToRecords.put(uri, taglibRecord);
                                        }
                                    }
                                    break;
                                }
                            case ITaglibRecord.TLD:
                                {
                                    uri = descriptor.getURI();
                                    if (uri == null || uri.trim().length() == 0) {
                                        IPath path = ((ITLDRecord) taglibRecord).getPath();
                                        IPath localContextRoot = FacetModuleCoreSupport.computeWebContentRootPath(basePath);
                                        if (localContextRoot.isPrefixOf(path)) {
                                            uri = IPath.SEPARATOR + path.removeFirstSegments(localContextRoot.segmentCount()).toString();
                                        } else {
                                            uri = FacetModuleCoreSupport.getRuntimePath(path).toString();
                                        }
                                    }
                                    uriToRecords.put(uri, taglibRecord);
                                    break;
                                }
                        }
                    }
                    /*
						 * use the records and their descriptors to construct
						 * proposals
						 */
                    Object[] uris = uriToRecords.keySet().toArray();
                    for (int uriNumber = 0; uriNumber < uris.length; uriNumber++) {
                        String uri = uris[uriNumber].toString();
                        ITaglibRecord taglibRecord = (ITaglibRecord) uriToRecords.get(uri);
                        ITaglibDescriptor descriptor = (taglibRecord).getDescriptor();
                        if (uri != null && uri.length() > 0 && (matchString.length() == 0 || uri.toLowerCase(Locale.US).startsWith(lowerCaseMatch))) {
                            String url = getSmallImageURL(taglibRecord);
                            ImageDescriptor imageDescriptor = JSPUIPlugin.getInstance().getImageRegistry().getDescriptor(url);
                            if (imageDescriptor == null && url != null) {
                                URL imageURL;
                                try {
                                    imageURL = new URL(url);
                                    imageDescriptor = ImageDescriptor.createFromURL(imageURL);
                                    JSPUIPlugin.getInstance().getImageRegistry().put(url, imageDescriptor);
                                } catch (MalformedURLException e) {
                                    Logger.logException(e);
                                }
                            }
                            String additionalInfo = // $NON-NLS-1$
                            descriptor.getDisplayName() + "<br/>" + descriptor.getDescription() + "<br/>" + // $NON-NLS-1$
                            descriptor.getTlibVersion();
                            Image image = null;
                            try {
                                image = JSPUIPlugin.getInstance().getImageRegistry().get(url);
                            } catch (Exception e) {
                                Logger.logException(e);
                            }
                            if (image == null) {
                                image = XMLEditorPluginImageHelper.getInstance().getImage(XMLEditorPluginImages.IMG_OBJ_ATTRIBUTE);
                            }
                            CustomCompletionProposal proposal = new CustomCompletionProposal(// $NON-NLS-1$ //$NON-NLS-2$
                            "\"" + uri + "\"", // $NON-NLS-1$ //$NON-NLS-2$
                            start, // $NON-NLS-1$ //$NON-NLS-2$
                            length, // $NON-NLS-1$ //$NON-NLS-2$
                            uri.length() + 2, image, uri, null, additionalInfo, IRelevanceConstants.R_NONE);
                            contentAssistRequest.addProposal(proposal);
                        }
                    }
                } else if (attributeName.equals(JSP20Namespace.ATTR_NAME_TAGDIR)) {
                    ITaglibRecord[] availableTaglibRecords = TaglibIndex.getAvailableTaglibRecords(basePath);
                    /*
						 * a simple enough way to remove duplicates (resolution at
						 * runtime would be nondeterministic anyway)
						 */
                    Map uriToRecords = new HashMap();
                    IPath localContextRoot = FacetModuleCoreSupport.computeWebContentRootPath(basePath);
                    for (int taglibRecordNumber = 0; taglibRecordNumber < availableTaglibRecords.length; taglibRecordNumber++) {
                        ITaglibRecord taglibRecord = availableTaglibRecords[taglibRecordNumber];
                        String uri = null;
                        if (taglibRecord.getRecordType() == ITaglibRecord.TAGDIR) {
                            IPath path = ((ITagDirRecord) taglibRecord).getPath();
                            if (localContextRoot.isPrefixOf(path)) {
                                uri = IPath.SEPARATOR + path.removeFirstSegments(localContextRoot.segmentCount()).toString();
                                uriToRecords.put(uri, taglibRecord);
                            }
                        }
                    }
                    /*
						 * use the records and their descriptors to construct
						 * proposals
						 */
                    Object[] uris = uriToRecords.keySet().toArray();
                    for (int uriNumber = 0; uriNumber < uris.length; uriNumber++) {
                        String uri = uris[uriNumber].toString();
                        ITaglibRecord taglibRecord = (ITaglibRecord) uriToRecords.get(uri);
                        ITaglibDescriptor descriptor = (taglibRecord).getDescriptor();
                        if (uri != null && uri.length() > 0 && (matchString.length() == 0 || uri.toLowerCase(Locale.US).startsWith(lowerCaseMatch))) {
                            String url = getSmallImageURL(taglibRecord);
                            ImageDescriptor imageDescriptor = null;
                            if (url != null) {
                                imageDescriptor = JSPUIPlugin.getInstance().getImageRegistry().getDescriptor(url);
                            }
                            if (imageDescriptor == null && url != null) {
                                URL imageURL;
                                try {
                                    imageURL = new URL(url);
                                    imageDescriptor = ImageDescriptor.createFromURL(imageURL);
                                    JSPUIPlugin.getInstance().getImageRegistry().put(url, imageDescriptor);
                                } catch (MalformedURLException e) {
                                    Logger.logException(e);
                                }
                            }
                            // $NON-NLS-1$
                            String additionalInfo = descriptor.getDescription() + "<br/>" + descriptor.getTlibVersion();
                            Image image = null;
                            try {
                                image = JSPUIPlugin.getInstance().getImageRegistry().get(url);
                            } catch (Exception e) {
                                Logger.logException(e);
                            }
                            if (image == null) {
                                image = XMLEditorPluginImageHelper.getInstance().getImage(XMLEditorPluginImages.IMG_OBJ_ATTRIBUTE);
                            }
                            CustomCompletionProposal proposal = new CustomCompletionProposal(// $NON-NLS-1$ //$NON-NLS-2$
                            "\"" + uri + "\"", // $NON-NLS-1$ //$NON-NLS-2$
                            start, // $NON-NLS-1$ //$NON-NLS-2$
                            length, // $NON-NLS-1$ //$NON-NLS-2$
                            uri.length() + 2, // $NON-NLS-1$ //$NON-NLS-2$
                            image, // $NON-NLS-1$ //$NON-NLS-2$
                            uri, null, additionalInfo, IRelevanceConstants.R_NONE);
                            contentAssistRequest.addProposal(proposal);
                        }
                    }
                } else if (attributeName.equals(JSP11Namespace.ATTR_NAME_PREFIX)) {
                    Node uriAttr = node.getAttributes().getNamedItem(JSP11Namespace.ATTR_NAME_URI);
                    String uri = null;
                    if (uriAttr != null) {
                        uri = uriAttr.getNodeValue();
                        ITaglibRecord[] availableTaglibRecords = TaglibIndex.getAvailableTaglibRecords(basePath);
                        Map prefixMap = new HashMap();
                        for (int taglibrecordNumber = 0; taglibrecordNumber < availableTaglibRecords.length; taglibrecordNumber++) {
                            ITaglibDescriptor descriptor = availableTaglibRecords[taglibrecordNumber].getDescriptor();
                            if (isTaglibForURI(uri, basePath, availableTaglibRecords[taglibrecordNumber])) {
                                String shortName = descriptor.getShortName().trim();
                                if (shortName.length() > 0) {
                                    boolean valid = true;
                                    for (int character = 0; character < shortName.length(); character++) {
                                        valid = valid && !Character.isWhitespace(shortName.charAt(character));
                                    }
                                    if (valid) {
                                        prefixMap.put(shortName, descriptor);
                                    }
                                }
                            }
                        }
                        Object[] prefixes = prefixMap.keySet().toArray();
                        for (int j = 0; j < prefixes.length; j++) {
                            String prefix = (String) prefixes[j];
                            ITaglibDescriptor descriptor = (ITaglibDescriptor) prefixMap.get(prefix);
                            Image image = XMLEditorPluginImageHelper.getInstance().getImage(XMLEditorPluginImages.IMG_OBJ_ATTRIBUTE);
                            CustomCompletionProposal proposal = new CustomCompletionProposal(// $NON-NLS-1$ //$NON-NLS-2$
                            "\"" + prefix + "\"", // $NON-NLS-1$ //$NON-NLS-2$
                            start, // $NON-NLS-1$ //$NON-NLS-2$
                            length, // $NON-NLS-1$ //$NON-NLS-2$
                            prefix.length() + 2, // $NON-NLS-1$ //$NON-NLS-2$
                            image, prefix, null, descriptor.getDescription(), IRelevanceConstants.R_NONE);
                            contentAssistRequest.addProposal(proposal);
                        }
                    } else {
                        Node dirAttr = node.getAttributes().getNamedItem(JSP20Namespace.ATTR_NAME_TAGDIR);
                        if (dirAttr != null) {
                            String dir = dirAttr.getNodeValue();
                            if (dir != null) {
                                ITaglibRecord record = TaglibIndex.resolve(basePath.toString(), dir, false);
                                if (record != null) {
                                    ITaglibDescriptor descriptor = record.getDescriptor();
                                    if (descriptor != null) {
                                        String shortName = descriptor.getShortName();
                                        Image image = XMLEditorPluginImageHelper.getInstance().getImage(XMLEditorPluginImages.IMG_OBJ_ATTRIBUTE);
                                        CustomCompletionProposal proposal = new CustomCompletionProposal(// $NON-NLS-1$ //$NON-NLS-2$
                                        "\"" + shortName + "\"", // $NON-NLS-1$ //$NON-NLS-2$
                                        start, // $NON-NLS-1$ //$NON-NLS-2$
                                        length, // $NON-NLS-1$ //$NON-NLS-2$
                                        shortName.length() + 2, image, shortName, null, descriptor.getDescription(), IRelevanceConstants.R_NONE);
                                        contentAssistRequest.addProposal(proposal);
                                    } else {
                                        if (dir.startsWith("/WEB-INF/")) {
                                            // $NON-NLS-1$
                                            dir = dir.substring(9);
                                        }
                                        // $NON-NLS-1$ //$NON-NLS-2$
                                        String prefix = StringUtils.replace(dir, "/", "-");
                                        Image image = XMLEditorPluginImageHelper.getInstance().getImage(XMLEditorPluginImages.IMG_OBJ_ATTRIBUTE);
                                        CustomCompletionProposal proposal = new CustomCompletionProposal(// $NON-NLS-1$ //$NON-NLS-2$
                                        "\"" + prefix + "\"", // $NON-NLS-1$ //$NON-NLS-2$
                                        start, // $NON-NLS-1$ //$NON-NLS-2$
                                        length, // $NON-NLS-1$ //$NON-NLS-2$
                                        prefix.length() + 2, image, prefix, null, null, IRelevanceConstants.R_NONE);
                                        contentAssistRequest.addProposal(proposal);
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

Example 58 with ITextRegionList

use of org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList in project webtools.sourceediting by eclipse.

the class JSPUseBeanCompletionProposalComputer method addAttributeValueProposals.

/**
 * @see org.eclipse.wst.xml.ui.internal.contentassist.DefaultXMLCompletionProposalComputer#addAttributeValueProposals(org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest, org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext)
 */
protected void addAttributeValueProposals(ContentAssistRequest contentAssistRequest, CompletionProposalInvocationContext context) {
    IDOMNode node = (IDOMNode) contentAssistRequest.getNode();
    // only add attribute value proposals for specific elements
    if (node.getNodeName().equals(JSP11Namespace.ElementName.USEBEAN)) {
        // Find the attribute name for which this position should have a value
        IStructuredDocumentRegion open = node.getFirstStructuredDocumentRegion();
        ITextRegionList openRegions = open.getRegions();
        int i = openRegions.indexOf(contentAssistRequest.getRegion());
        if (i < 0)
            return;
        ITextRegion nameRegion = null;
        while (i >= 0) {
            nameRegion = openRegions.get(i--);
            if (nameRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME)
                break;
        }
        String attributeName = null;
        if (nameRegion != null)
            attributeName = open.getText(nameRegion);
        String currentValue = null;
        if (contentAssistRequest.getRegion().getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE)
            currentValue = contentAssistRequest.getText();
        else
            // $NON-NLS-1$
            currentValue = "";
        String matchString = null;
        // fixups
        int start = contentAssistRequest.getReplacementBeginPosition();
        int length = contentAssistRequest.getReplacementLength();
        if (// $NON-NLS-1$ //$NON-NLS-2$
        currentValue.length() > StringUtils.strip(currentValue).length() && (currentValue.startsWith("\"") || currentValue.startsWith("'")) && contentAssistRequest.getMatchString().length() > 0) {
            matchString = currentValue.substring(1, contentAssistRequest.getMatchString().length());
            start++;
            length = matchString.length();
        } else
            matchString = currentValue.substring(0, contentAssistRequest.getMatchString().length());
        boolean existingComplicatedValue = contentAssistRequest.getRegion() != null && contentAssistRequest.getRegion() instanceof ITextRegionContainer;
        if (existingComplicatedValue) {
            contentAssistRequest.getProposals().clear();
            contentAssistRequest.getMacros().clear();
        } else {
            if (attributeName.equals(JSP11Namespace.ATTR_NAME_CLASS)) {
                // class is the concrete implementation class
                IResource resource = JSPContentAssistHelper.getResource(contentAssistRequest);
                ICompletionProposal[] classProposals = JavaTypeFinder.getClassProposals(resource, start, length);
                if (classProposals != null) {
                    for (int j = 0; j < classProposals.length; j++) {
                        JavaTypeCompletionProposal proposal = (JavaTypeCompletionProposal) classProposals[j];
                        if (matchString.length() == 0 || proposal.getQualifiedName().toLowerCase().startsWith(matchString.toLowerCase()) || proposal.getShortName().toLowerCase().startsWith(matchString.toLowerCase()))
                            contentAssistRequest.addProposal(proposal);
                    }
                }
            } else if (attributeName.equals(JSP11Namespace.ATTR_NAME_TYPE)) {
                // type is the more general type for the bean
                // which means it may be an interface
                IResource resource = JSPContentAssistHelper.getResource(contentAssistRequest);
                ICompletionProposal[] typeProposals = JavaTypeFinder.getTypeProposals(resource, start, length);
                if (typeProposals != null) {
                    for (int j = 0; j < typeProposals.length; j++) {
                        JavaTypeCompletionProposal proposal = (JavaTypeCompletionProposal) typeProposals[j];
                        if (matchString.length() == 0 || proposal.getQualifiedName().toLowerCase().startsWith(matchString.toLowerCase()) || proposal.getShortName().toLowerCase().startsWith(matchString.toLowerCase()))
                            contentAssistRequest.addProposal(proposal);
                    }
                }
            } else if (attributeName.equals(JSP11Namespace.ATTR_NAME_BEAN_NAME)) {
                IResource resource = JSPContentAssistHelper.getResource(contentAssistRequest);
                ICompletionProposal[] beanNameProposals = JavaTypeFinder.getBeanProposals(resource, start, length);
                if (beanNameProposals != null) {
                    for (int j = 0; j < beanNameProposals.length; j++) {
                        if (beanNameProposals[j] instanceof CustomCompletionProposal) {
                            JavaTypeCompletionProposal proposal = (JavaTypeCompletionProposal) beanNameProposals[j];
                            if (matchString.length() == 0 || proposal.getDisplayString().toLowerCase().startsWith(matchString.toLowerCase()))
                                contentAssistRequest.addProposal(proposal);
                        } else if (beanNameProposals[j] instanceof JavaTypeCompletionProposal) {
                            JavaTypeCompletionProposal proposal = (JavaTypeCompletionProposal) beanNameProposals[j];
                            if (matchString.length() == 0 || proposal.getQualifiedName().toLowerCase().startsWith(matchString.toLowerCase()) || proposal.getShortName().toLowerCase().startsWith(matchString.toLowerCase()))
                                contentAssistRequest.addProposal(proposal);
                        }
                    }
                }
            }
        }
    }
}

Example 59 with ITextRegionList

use of org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList in project webtools.sourceediting by eclipse.

the class JSPContentAssistProcessor method addAttributeValueProposals.

/**
 * add proposals for tags in attribute values
 */
protected void addAttributeValueProposals(ContentAssistRequest contentAssistRequest) {
    addTemplates(contentAssistRequest, TemplateContextTypeIdsJSP.ATTRIBUTE_VALUE);
    IDOMNode node = (IDOMNode) contentAssistRequest.getNode();
    // add JSP extra proposals from JSPBeanInfoContentAssistProcessor
    // JSPPropertyContentAssistProcessor
    // 2.1
    // get results from JSPUseBean and JSPProperty here
    // (look up processor in a map based on node name)
    JSPDummyContentAssistProcessor extraProcessor = (JSPDummyContentAssistProcessor) fNameToProcessorMap.get(node.getNodeName());
    if (extraProcessor != null && contentAssistRequest != null) {
        extraProcessor.addAttributeValueProposals(contentAssistRequest);
    }
    ModelQuery mq = ModelQueryUtil.getModelQuery(node.getOwnerDocument());
    if (mq != null) {
        CMDocument doc = mq.getCorrespondingCMDocument(node);
        // this shouldn't have to have the prefix coded in
        if (// $NON-NLS-1$
        doc instanceof JSPCMDocument || doc instanceof CMNodeWrapper || node.getNodeName().startsWith("jsp:"))
            return;
    }
    // Find the attribute name for which this position should have a value
    IStructuredDocumentRegion open = node.getFirstStructuredDocumentRegion();
    ITextRegionList openRegions = open.getRegions();
    int i = openRegions.indexOf(contentAssistRequest.getRegion());
    if (i < 0)
        return;
    ITextRegion nameRegion = null;
    while (i >= 0) {
        nameRegion = openRegions.get(i--);
        if (nameRegion.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME)
            break;
    }
    // on an empty value, add all the JSP and taglib tags
    CMElementDeclaration elementDecl = getCMElementDeclaration(node);
    if (nameRegion != null && elementDecl != null) {
        String attributeName = open.getText(nameRegion);
        if (attributeName != null) {
            String currentValue = node.getAttributes().getNamedItem(attributeName).getNodeValue();
            if (currentValue == null || currentValue.length() == 0) {
                // $NON-NLS-1$
                List additionalElements = ModelQueryUtil.getModelQuery(node.getOwnerDocument()).getAvailableContent((Element) node, elementDecl, ModelQuery.INCLUDE_ATTRIBUTES);
                for (i = 0; i < additionalElements.size(); i++) {
                    Object additionalElement = additionalElements.get(i);
                    if (additionalElement instanceof CMElementDeclaration) {
                        CMElementDeclaration ed = (CMElementDeclaration) additionalElement;
                        String tagname = getContentGenerator().getRequiredName(node, ed);
                        // $NON-NLS-1$
                        StringBuffer contents = new StringBuffer("\"");
                        getContentGenerator().generateTag(node, ed, contents);
                        // $NON-NLS-1$
                        contents.append('"');
                        CustomCompletionProposal proposal = new CustomCompletionProposal(contents.toString(), contentAssistRequest.getReplacementBeginPosition(), contentAssistRequest.getReplacementLength(), contents.length(), JSPEditorPluginImageHelper.getInstance().getImage(JSPEditorPluginImages.IMG_OBJ_TAG_GENERIC), tagname, null, null, XMLRelevanceConstants.R_JSP_ATTRIBUTE_VALUE);
                        contentAssistRequest.addProposal(proposal);
                    }
                }
            }
        }
    } else if (contentAssistRequest.getRegion().getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) {
        try {
            // Create a new model for Content Assist to operate on. This
            // will simulate
            // a full Document and then adjust the offset numbers in the
            // list of results.
            IStructuredModel internalModel = null;
            IModelManager mmanager = StructuredModelManager.getModelManager();
            internalModel = mmanager.createUnManagedStructuredModelFor(ContentTypeIdForJSP.ContentTypeID_JSP);
            IDOMNode xmlNode = null;
            IDOMModel xmlOuterModel = null;
            if (contentAssistRequest.getNode() instanceof IDOMNode) {
                xmlNode = (IDOMNode) contentAssistRequest.getNode();
                xmlOuterModel = xmlNode.getModel();
                internalModel.setResolver(xmlOuterModel.getResolver());
                internalModel.setBaseLocation(xmlOuterModel.getBaseLocation());
            }
            String contents = StringUtils.strip(contentAssistRequest.getText());
            if (xmlNode != null && contents != null) {
                int additionalShifts = 0;
                // Be sure that custom tags from taglibs also show up
                // by
                // adding taglib declarations to the internal model.
                TLDCMDocumentManager mgr = TaglibController.getTLDCMDocumentManager(xmlOuterModel.getStructuredDocument());
                if (mgr != null) {
                    List trackers = mgr.getCMDocumentTrackers(contentAssistRequest.getReplacementBeginPosition());
                    if (trackers != null) {
                        for (i = 0; i < trackers.size(); i++) {
                            CMDocumentTracker tracker = (CMDocumentTracker) trackers.get(i);
                            String declaration = tracker.getStructuredDocumentRegion().getText();
                            if (declaration != null) {
                                contents = declaration + contents;
                                additionalShifts += declaration.length();
                            }
                        }
                    }
                }
                // Also copy any jsp:useBean tags so that
                // jsp:[gs]etProperty will function
                Document doc = null;
                if (contentAssistRequest.getNode().getNodeType() == Node.DOCUMENT_NODE)
                    doc = (Document) node;
                else
                    doc = node.getOwnerDocument();
                NodeList useBeans = doc.getElementsByTagName(JSP12Namespace.ElementName.USEBEAN);
                for (int k = 0; k < useBeans.getLength(); k++) {
                    IDOMNode useBean = (IDOMNode) useBeans.item(k);
                    if (useBean.getStartOffset() < contentAssistRequest.getReplacementBeginPosition()) {
                        // $NON-NLS-1$
                        StringBuffer useBeanText = new StringBuffer("<jsp:useBean");
                        for (int j = 0; j < useBean.getAttributes().getLength(); j++) {
                            Attr attr = (Attr) useBean.getAttributes().item(j);
                            useBeanText.append(' ');
                            useBeanText.append(attr.getName());
                            // $NON-NLS-1$
                            useBeanText.append("=\"");
                            useBeanText.append(attr.getValue());
                            useBeanText.append('"');
                        }
                        // $NON-NLS-1$
                        useBeanText.append("/>");
                        additionalShifts += useBeanText.length();
                        contents = useBeanText.toString() + contents;
                    }
                }
                internalModel.getStructuredDocument().set(contents);
                int internalOffset = 0;
                boolean quoted = false;
                // if quoted, use position inside and shift by one
                if (contentAssistRequest.getMatchString().length() > 0 && (contentAssistRequest.getMatchString().charAt(0) == '\'' || contentAssistRequest.getMatchString().charAt(0) == '"')) {
                    internalOffset = contentAssistRequest.getMatchString().length() - 1 + additionalShifts;
                    quoted = true;
                } else // if unquoted, use position inside
                if (contentAssistRequest.getMatchString().length() > 0 && contentAssistRequest.getMatchString().charAt(0) == '<')
                    internalOffset = contentAssistRequest.getMatchString().length() + additionalShifts;
                else
                    internalOffset = contentAssistRequest.getReplacementBeginPosition() - contentAssistRequest.getStartOffset() + additionalShifts;
                depthCount++;
                IndexedRegion internalNode = null;
                int tmpOffset = internalOffset;
                while (internalNode == null && tmpOffset >= 0) internalNode = internalModel.getIndexedRegion(tmpOffset--);
                if (internalModel.getFactoryRegistry() != null) {
                    // set up the internal model
                    if (internalModel.getFactoryRegistry().getFactoryFor(PageDirectiveAdapter.class) == null) {
                        internalModel.getFactoryRegistry().addFactory(new PageDirectiveAdapterFactory());
                    }
                    PageDirectiveAdapter outerEmbeddedTypeAdapter = (PageDirectiveAdapter) xmlOuterModel.getDocument().getAdapterFor(PageDirectiveAdapter.class);
                    PageDirectiveAdapter internalEmbeddedTypeAdapter = (PageDirectiveAdapter) ((INodeNotifier) ((Node) internalNode).getOwnerDocument()).getAdapterFor(PageDirectiveAdapter.class);
                    internalEmbeddedTypeAdapter.setEmbeddedType(outerEmbeddedTypeAdapter.getEmbeddedType());
                }
                AdapterFactoryRegistry adapterRegistry = JSPUIPlugin.getDefault().getAdapterFactoryRegistry();
                Iterator adapterList = adapterRegistry.getAdapterFactories();
                // of content
                while (adapterList.hasNext()) {
                    try {
                        AdapterFactoryProvider provider = (AdapterFactoryProvider) adapterList.next();
                        if (provider.isFor(internalModel.getModelHandler())) {
                            provider.addAdapterFactories(internalModel);
                        }
                    } catch (Exception e) {
                        Logger.logException(e);
                    }
                }
                /**
                 * the internal adapter does all the real work of using
                 * the JSP content model to form proposals
                 */
                ICompletionProposal[] results = null;
                depthCount--;
                if (results != null) {
                    for (i = 0; i < results.length; i++) {
                        contentAssistRequest.addProposal(new CustomCompletionProposal(((CustomCompletionProposal) results[i]).getReplacementString(), ((CustomCompletionProposal) results[i]).getReplacementOffset() - additionalShifts + contentAssistRequest.getStartOffset() + (quoted ? 1 : 0), ((CustomCompletionProposal) results[i]).getReplacementLength(), ((CustomCompletionProposal) results[i]).getCursorPosition(), results[i].getImage(), results[i].getDisplayString(), ((CustomCompletionProposal) results[i]).getContextInformation(), ((CustomCompletionProposal) results[i]).getAdditionalProposalInfo(), (results[i] instanceof IRelevanceCompletionProposal) ? ((IRelevanceCompletionProposal) results[i]).getRelevance() : IRelevanceConstants.R_NONE));
                    }
                }
            }
        } catch (Exception e) {
            // $NON-NLS-1$
            Logger.logException("Error in embedded JSP Content Assist", e);
        }
    }
}

Example 60 with ITextRegionList

use of org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList in project webtools.sourceediting by eclipse.

the class JSPContentAssistProcessor method computeCompletionProposals.

/**
 * This method is acting as a "catch all" for pulling together content
 * assist proposals from different Processors when document partitioning
 * alone couldn't determine definitively what content assist should show
 * up at that particular position in the document
 *
 * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeCompletionProposals(ITextViewer,
 *      int)
 */
public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentPosition) {
    fTemplateContexts.clear();
    IStructuredDocumentRegion sdRegion = ContentAssistUtils.getStructuredDocumentRegion(viewer, documentPosition);
    fViewer = viewer;
    ICompletionProposal[] jspResults = EMPTY_PROPOSAL_SET;
    ICompletionProposal[] embeddedResults = EMPTY_PROPOSAL_SET;
    // check the actual partition type
    String partitionType = getPartitionType(viewer, documentPosition);
    IStructuredDocument structuredDocument = (IStructuredDocument) viewer.getDocument();
    IStructuredDocumentRegion fn = structuredDocument.getRegionAtCharacterOffset(documentPosition);
    // check for xml-jsp tags...
    if (partitionType == IJSPPartitions.JSP_DIRECTIVE && fn != null) {
        IStructuredDocumentRegion possibleXMLJSP = ((fn.getType() == DOMRegionContext.XML_CONTENT) && fn.getPrevious() != null) ? fn.getPrevious() : fn;
        ITextRegionList regions = possibleXMLJSP.getRegions();
        if (regions.size() > 1) {
            // check bounds cases
            ITextRegion xmlOpenOrClose = regions.get(0);
            if (xmlOpenOrClose.getType() == DOMRegionContext.XML_TAG_OPEN && documentPosition == possibleXMLJSP.getStartOffset()) {
            // do regular jsp content assist
            } else if (xmlOpenOrClose.getType() == DOMRegionContext.XML_END_TAG_OPEN && documentPosition > possibleXMLJSP.getStartOffset()) {
            // do regular jsp content assist
            } else {
                // possible xml-jsp
                ITextRegion nameRegion = regions.get(1);
                String name = possibleXMLJSP.getText(nameRegion);
                if (name.equals("jsp:scriptlet") || name.equals("jsp:expression") || name.equals("jsp:declaration")) {
                    // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                    return getJSPJavaCompletionProposals(viewer, documentPosition);
                }
            }
        }
    }
    // check for XML-JSP in a <script> region
    if (partitionType == IJSPPartitions.JSP_CONTENT_JAVASCRIPT || partitionType == IHTMLPartitions.SCRIPT) {
        // fn should be block text
        IStructuredDocumentRegion decodedSDRegion = decodeScriptBlock(fn.getFullText());
        // decodedSDRegion.getEndOffset()));
        if (decodedSDRegion != null) {
            IStructuredDocumentRegion sdr = decodedSDRegion;
            while (sdr != null) {
                // sdr.getEndOffset()));
                if (sdr.getType() == DOMJSPRegionContexts.JSP_CONTENT) {
                    if (documentPosition >= fn.getStartOffset() + sdr.getStartOffset() && documentPosition <= fn.getStartOffset() + sdr.getEndOffset()) {
                        return getJSPJavaCompletionProposals(viewer, documentPosition);
                    }
                } else if (sdr.getType() == DOMRegionContext.XML_TAG_NAME) {
                    if (documentPosition > fn.getStartOffset() + sdr.getStartOffset() && documentPosition < fn.getStartOffset() + sdr.getEndOffset()) {
                        return EMPTY_PROPOSAL_SET;
                    } else if (documentPosition == fn.getStartOffset() + sdr.getEndOffset() && sdr.getNext() != null && sdr.getNext().getType() == DOMJSPRegionContexts.JSP_CONTENT) {
                        // <jsp:scriptlet>| blah </jsp:scriptlet>
                        return getJSPJavaCompletionProposals(viewer, documentPosition);
                    } else if (documentPosition == fn.getStartOffset() + sdr.getStartOffset() && sdr.getPrevious() != null && sdr.getPrevious().getType() == DOMRegionContext.XML_TAG_NAME) {
                        return getJSPJavaCompletionProposals(viewer, documentPosition);
                    }
                }
                sdr = sdr.getNext();
            }
        }
    }
    // check special JSP delimiter cases
    if (fn != null && partitionType == IJSPPartitions.JSP_CONTENT_DELIMITER) {
        IStructuredDocumentRegion fnDelim = fn;
        // if it's a nested JSP region, need to get the correct
        // StructuredDocumentRegion
        // not sure why this check was there...
        // if (fnDelim.getType() == XMLRegionContext.BLOCK_TEXT) {
        Iterator blockRegions = fnDelim.getRegions().iterator();
        ITextRegion temp = null;
        ITextRegionContainer trc;
        while (blockRegions.hasNext()) {
            temp = (ITextRegion) blockRegions.next();
            // we hit a nested
            if (temp instanceof ITextRegionContainer) {
                trc = (ITextRegionContainer) temp;
                // it's in this region
                if (documentPosition >= trc.getStartOffset() && documentPosition < trc.getEndOffset()) {
                    Iterator nestedJSPRegions = trc.getRegions().iterator();
                    while (nestedJSPRegions.hasNext()) {
                        temp = (ITextRegion) nestedJSPRegions.next();
                        if (XMLContentAssistUtilities.isJSPOpenDelimiter(temp.getType()) && documentPosition == trc.getStartOffset(temp)) {
                            // adapter
                            if (documentPosition > 0) {
                                partitionType = getPartitionType(viewer, documentPosition - 1);
                                break;
                            }
                        } else if (XMLContentAssistUtilities.isJSPCloseDelimiter(temp.getType()) && documentPosition == trc.getStartOffset(temp)) {
                            // JSP content assist
                            return getJSPJavaCompletionProposals(viewer, documentPosition);
                        }
                    }
                }
            }
        // }
        }
        // take care of XML-JSP delimter cases
        if (XMLContentAssistUtilities.isXMLJSPDelimiter(fnDelim)) {
            // since it's a delimiter, we know it's a ITextRegionContainer
            ITextRegion firstRegion = fnDelim.getRegions().get(0);
            if (fnDelim.getStartOffset() == documentPosition && (firstRegion.getType() == DOMRegionContext.XML_TAG_OPEN)) {
            // |<jsp:scriptlet> </jsp:scriptlet>
            // (pa) commented out so that we get regular behavior JSP
            // macros etc...
            // return getHTMLCompletionProposals(viewer,
            // documentPosition);
            } else if (fnDelim.getStartOffset() == documentPosition && (firstRegion.getType() == DOMRegionContext.XML_END_TAG_OPEN)) {
                // adapter get the proposals
                if (documentPosition > 0) {
                    String checkType = getPartitionType(viewer, documentPosition - 1);
                    if (checkType != IJSPPartitions.JSP_CONTENT_JAVASCRIPT) {
                        // javascript...)
                        return getJSPJavaCompletionProposals(viewer, documentPosition);
                    }
                    partitionType = IJSPPartitions.JSP_CONTENT_JAVASCRIPT;
                }
            } else if ((firstRegion.getType() == DOMRegionContext.XML_TAG_OPEN) && documentPosition >= fnDelim.getEndOffset()) {
                // anything else inbetween
                return getJSPJavaCompletionProposals(viewer, documentPosition);
            }
        } else if (XMLContentAssistUtilities.isJSPDelimiter(fnDelim)) {
            // the delimiter <%, <%=, <%!, ...
            if (XMLContentAssistUtilities.isJSPCloseDelimiter(fnDelim)) {
                if (documentPosition == fnDelim.getStartOffset()) {
                    // JAVASCRIPT adapter get the proposals
                    if (documentPosition > 0) {
                        String checkType = getPartitionType(viewer, documentPosition - 1);
                        if (checkType != IJSPPartitions.JSP_CONTENT_JAVASCRIPT) {
                            return getJSPJavaCompletionProposals(viewer, documentPosition);
                        }
                        partitionType = IJSPPartitions.JSP_CONTENT_JAVASCRIPT;
                    }
                }
            } else if (XMLContentAssistUtilities.isJSPOpenDelimiter(fnDelim)) {
                // use embedded HTML results
                if (documentPosition == fnDelim.getStartOffset()) {
                    embeddedResults = getHTMLCompletionProposals(viewer, documentPosition);
                } else if (documentPosition == fnDelim.getEndOffset()) {
                    // it's at the EOF <%|
                    return getJSPJavaCompletionProposals(viewer, documentPosition);
                }
            }
        }
    }
    // <!-- <% |%> -->
    if (fn != null && (fn.getType() == DOMRegionContext.XML_CDATA_TEXT || fn.getType() == DOMRegionContext.XML_COMMENT_TEXT)) {
        if (fn instanceof ITextRegionContainer) {
            Object[] cdataRegions = fn.getRegions().toArray();
            ITextRegion r = null;
            ITextRegion jspRegion = null;
            for (int i = 0; i < cdataRegions.length; i++) {
                r = (ITextRegion) cdataRegions[i];
                if (r instanceof ITextRegionContainer) {
                    // CDATA embedded container, or comment container
                    Object[] jspRegions = ((ITextRegionContainer) r).getRegions().toArray();
                    for (int j = 0; j < jspRegions.length; j++) {
                        jspRegion = (ITextRegion) jspRegions[j];
                        if (jspRegion.getType() == DOMJSPRegionContexts.JSP_CLOSE) {
                            if (sdRegion.getStartOffset(jspRegion) == documentPosition)
                                return getJSPJavaCompletionProposals(viewer, documentPosition);
                        }
                    }
                }
            }
        }
    }
    // check if it's in an attribute value, if so, don't add CDATA
    // proposal
    ITextRegion attrContainer = (fn != null) ? fn.getRegionAtCharacterOffset(documentPosition) : null;
    if (attrContainer != null && attrContainer instanceof ITextRegionContainer) {
        if (attrContainer.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) {
            // test location of the cursor
            // return null if it's in the middle of an open/close
            // delimeter
            Iterator attrRegions = ((ITextRegionContainer) attrContainer).getRegions().iterator();
            ITextRegion testRegion = null;
            while (attrRegions.hasNext()) {
                testRegion = (ITextRegion) attrRegions.next();
                // need to check for other valid attribute regions
                if (XMLContentAssistUtilities.isJSPOpenDelimiter(testRegion.getType())) {
                    if (!(((ITextRegionContainer) attrContainer).getEndOffset(testRegion) <= documentPosition))
                        return EMPTY_PROPOSAL_SET;
                } else if (XMLContentAssistUtilities.isJSPCloseDelimiter(testRegion.getType())) {
                    if (!(((ITextRegionContainer) attrContainer).getStartOffset(testRegion) >= documentPosition))
                        return EMPTY_PROPOSAL_SET;
                }
            }
            // TODO: handle non-Java code such as nested tags
            if (testRegion.getType().equals(DOMJSPRegionContexts.JSP_CONTENT))
                return getJSPJavaCompletionProposals(viewer, documentPosition);
            return EMPTY_PROPOSAL_SET;
        }
    }
    IContentAssistProcessor p = (IContentAssistProcessor) fPartitionToProcessorMap.get(partitionType);
    if (p != null) {
        embeddedResults = p.computeCompletionProposals(viewer, documentPosition);
        // get bean methods, objects, and constants if there are any...
        if (partitionType == IJSPPartitions.JSP_CONTENT_JAVASCRIPT || partitionType == IHTMLPartitions.SCRIPT) {
            ICompletionProposal[] beanResults = getJSPJavaBeanProposals(viewer, documentPosition);
            if (beanResults != null && beanResults.length > 0) {
                ICompletionProposal[] added = new ICompletionProposal[beanResults.length + embeddedResults.length];
                System.arraycopy(beanResults, 0, added, 0, beanResults.length);
                System.arraycopy(embeddedResults, 0, added, beanResults.length, embeddedResults.length);
                embeddedResults = added;
            }
        }
    } else {
    // the partition type is probably not mapped
    }
    // HTML content assist give JSP tags in between empty script tags
    if (!((getJSContentAssistProcessor() != null && getJSContentAssistProcessor().getClass().isInstance(p)) || p instanceof CSSContentAssistProcessor)) {
        fTemplateContexts.clear();
        jspResults = super.computeCompletionProposals(viewer, documentPosition);
    }
    // merge the embedded results
    if (useEmbeddedResults && embeddedResults != null && embeddedResults.length > 0) {
        jspResults = merge(jspResults, embeddedResults);
    }
    if (jspResults == null)
        jspResults = EMPTY_PROPOSAL_SET;
    setErrorMessage(jspResults.length == 0 ? UNKNOWN_CONTEXT : null);
    // check for |<%-- --%> first position of jsp comment
    if (partitionType == IJSPPartitions.JSP_COMMENT) {
        if (sdRegion.getStartOffset() == documentPosition) {
            ICompletionProposal[] htmlResults = getHTMLCompletionProposals(viewer, documentPosition);
            jspResults = merge(jspResults, htmlResults);
        }
    }
    // https://bugs.eclipse.org/bugs/show_bug.cgi?id=86656
    if (partitionType == IJSPPartitions.JSP_DIRECTIVE) {
        ICompletionProposal[] importProposals = getImportProposals(viewer, documentPosition);
        if (importProposals.length > 0)
            jspResults = merge(jspResults, importProposals);
    }
    return jspResults;
}