Examples with TemplateContext org.eclipse.jface.text.templates.TemplateContext used on opensource projects

Example 6 with TemplateContext

use of org.eclipse.jface.text.templates.TemplateContext in project webtools.sourceediting by eclipse.

the class JSPTemplateCompletionProcessor method computeCompletionProposals.

/*
	 * 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());
    // If there's no prefix, check if we're in a tag open region
    if (prefix.trim().length() == 0) {
        IndexedRegion treeNode = ContentAssistUtils.getNodeAt(viewer, offset);
        if (treeNode instanceof IDOMText) {
            IDOMNode node = (IDOMNode) treeNode;
            // Check each region in the node, if the offset is after a tag region, replace it with the template
            IStructuredDocumentRegion cursor = node.getFirstStructuredDocumentRegion();
            IStructuredDocumentRegion end = node.getLastStructuredDocumentRegion();
            do {
                if (cursor != null && DOMRegionContext.XML_TAG_OPEN.equals(cursor.getType()) && cursor.getStartOffset() == offset - 1) {
                    // We have a tag to replace
                    offset = cursor.getStartOffset();
                    region = new Region(cursor.getStartOffset(), cursor.getLength());
                    break;
                }
            } while (cursor != end && (cursor = cursor.getNext()) != null);
        }
    }
    TemplateContext context = createContext(viewer, region, offset);
    if (context == null)
        return new ICompletionProposal[0];
    // name of the selection variables {line, word}_selection
    // //$NON-NLS-1$
    context.setVariable("selection", selection.getText());
    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()]);
}

Example 7 with TemplateContext

use of org.eclipse.jface.text.templates.TemplateContext in project webtools.sourceediting by eclipse.

the class NewDTDTemplatesWizardPage method getTemplateString.

/**
 * Returns template string to insert.
 *
 * @return String to insert or null if none is to be inserted
 */
String getTemplateString() {
    String templateString = null;
    Template template = getSelectedTemplate();
    if (template != null) {
        TemplateContextType contextType = DTDUIPlugin.getDefault().getTemplateContextRegistry().getContextType(TemplateContextTypeIdsDTD.NEW);
        IDocument document = new Document();
        TemplateContext context = new DocumentTemplateContext(contextType, document, 0, 0);
        try {
            TemplateBuffer buffer = context.evaluate(template);
            templateString = buffer.getString();
        } catch (Exception e) {
            // $NON-NLS-1$
            Logger.log(Logger.WARNING_DEBUG, "Could not create template for new dtd", e);
        }
    }
    return templateString;
}

Example 8 with TemplateContext

use of org.eclipse.jface.text.templates.TemplateContext in project webtools.sourceediting by eclipse.

the class NewXMLTemplatesWizardPage method getTemplateString.

/**
 * Returns template string to insert.
 *
 * @return String to insert or null if none is to be inserted
 */
String getTemplateString() {
    String templateString = null;
    Template template = getSelectedTemplate();
    if (template != null) {
        TemplateContextType contextType = XMLUIPlugin.getDefault().getTemplateContextRegistry().getContextType(TemplateContextTypeIdsXML.NEW);
        IDocument document = new Document();
        TemplateContext context = new DocumentTemplateContext(contextType, document, 0, 0);
        try {
            TemplateBuffer buffer = context.evaluate(template);
            templateString = buffer.getString();
        } catch (Exception e) {
            // $NON-NLS-1$
            Logger.log(Logger.WARNING_DEBUG, "Could not create template for new xml", e);
        }
    }
    return templateString;
}

Example 9 with TemplateContext

use of org.eclipse.jface.text.templates.TemplateContext in project webtools.sourceediting by eclipse.

the class XPathTemplateCompletionProcessor method computeCompletionProposals.

/*
	 * 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];
    }
    // name of the selection variables {line, word}_selection
    // $NON-NLS-1$
    context.setVariable("selection", selection.getText());
    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()]);
}

Example 10 with TemplateContext

use of org.eclipse.jface.text.templates.TemplateContext in project syncope by apache.

the class HTMLTemplateAssistProcessor method computeCompletionProposals.

public ICompletionProposal[] computeCompletionProposals(final ITextViewer viewer, final int offsetinp) {
    int offset = offsetinp;
    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);
    if (context == null) {
        return new ICompletionProposal[0];
    }
    context.setVariable("selection", selection.getText());
    Template[] templates = getTemplates(context.getContextType().getId());
    List<ICompletionProposal> matches = new ArrayList<ICompletionProposal>();
    for (int i = 0; i < templates.length; i++) {
        Template template = templates[i];
        try {
            context.getContextType().validate(template.getPattern());
        } catch (final TemplateException e) {
            continue;
        }
        if (template.getName().startsWith(prefix) && template.matches(prefix, context.getContextType().getId())) {
            matches.add(createProposal(template, context, (IRegion) region, getRelevance(template, prefix)));
        }
    }
    return matches.toArray(new ICompletionProposal[matches.size()]);
}