Java ContentAssistRequest.getMatchString方法代码示例

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入方法依赖的package包/类
/**
 * Creates a proposal computer for widget attributes based on existing type
 * setter methods.
 */
public static IProposalComputer newSetterAttributeProposalComputer(
    ContentAssistRequest contentAssistRequest, IJavaProject javaProject) {

  IDOMNode node = (IDOMNode) contentAssistRequest.getNode();
  if (node.getNodeType() != IDOMNode.ELEMENT_NODE) {
    return null;
  }

  String widgetTypeName = UiBinderXmlModelUtilities.computeQualifiedWidgetTypeName(node);
  if (widgetTypeName == null) {
    return null;
  }

  String matchString = contentAssistRequest.getMatchString();

  return new SetterAttributeProposalComputer(node, widgetTypeName,
      javaProject, matchString,
      contentAssistRequest.getReplacementBeginPosition(),
      matchString.length());
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入方法依赖的package包/类
private static IProposalComputer createStaticTextProposalComputerForUiAttribute(
    String unprefixedAttrName, Node node,
    ContentAssistRequest contentAssistRequest) {

  Node uiBinderElement = XmlUtilities.getRootElement(node);
  String fullAttrName = XmlUtilities.getName(uiBinderElement.getPrefix(),
      unprefixedAttrName);
  String proposalText = fullAttrName + "=\"\"";

  // The cursor position will be inside the quotes
  int replacementBeginPosition = contentAssistRequest.getReplacementBeginPosition();
  int cursorPosition = replacementBeginPosition + proposalText.length() - 1;
  return new StaticTextProposalComputer(new String[]{proposalText},
      contentAssistRequest.getMatchString(), replacementBeginPosition,
      contentAssistRequest.getReplacementLength(), cursorPosition,
      XmlContentAssistUtilities.getImageForAttribute());
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入方法依赖的package包/类
/**
 * Returns the expression to use for tern completion.
 * 
 * @param contentAssistRequest
 * @param startIndex
 * @return
 */
private String getExpression(ContentAssistRequest contentAssistRequest,
		Integer startIndex) {
	String expression = contentAssistRequest.getMatchString();
	if (startIndex != null) {
		// start index is not null , this case comes from when completion is
		// done in attribute :
		// 1) when completion is done inside an attribute <span
		// ng-app="MyModu
		// in this case the expression to use is 'MyModu' and not
		// '"MyModu'
		// 2) when completion is done inside an
		// attribute which define {{
		// ex : <span class="done-{{to
		// in this case, the expression to use is 'to' and not
		// '"done-{{to'
		expression = expression.substring(startIndex, expression.length());
	}
	return expression;
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入方法依赖的package包/类
@Override
protected void addAttributeNameProposals(final ContentAssistRequest contentAssistRequest,
		CompletionProposalInvocationContext context) {
	// Check if project has angular nature
	final IDOMElement element = (IDOMElement) contentAssistRequest.getNode();
	IFile file = DOMUtils.getFile(element);
	if (AngularProject.isAngularProject(file.getProject())) {
		String attrName = contentAssistRequest.getMatchString();
		IDOMAttr attr = DOMUtils.getAttrByRegion(element, contentAssistRequest.getRegion());
		AngularCorePlugin.getBindingManager().collect(element, attrName, file,
				new HTMLAngularCompletionCollector(element, attr, contentAssistRequest, this));
	}
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入方法依赖的package包/类
/**
 * Creates a proposal computer for autocompleting the root UiBinder element in
 * a UiBinder XML file.
 */
public static IProposalComputer newUiBinderRootElementProposalComputer(
    ContentAssistRequest contentAssistRequest) {

  Node node = contentAssistRequest.getNode();
  if (node == null) {
    // No javadoc on getNode(), so play safe
    return null;
  }

  if (node.getNodeType() == Node.ELEMENT_NODE) {
    if (!XmlUtilities.getRootElement(node).equals(node)) {
      // We are not the root element
      return null;
    }
  } else if (node.getNodeType() == Node.TEXT_NODE) {
    // A completion at "<_" produces a text node
    if (node.getOwnerDocument().getDocumentElement() != null) {
      // We are not the root element
      return null;
    }
  } else {
    // Some other node type
    return null;
  }

  String newLine = ((DocumentImpl) node.getOwnerDocument()).getModel().getStructuredDocument().getLineDelimiter();

  // Come up with <ui:UiBinder xmlns:ui="...">\n_\n</ui:UiBinder> text
  String beforeCursorText = MessageFormat.format(
      "ui:{0} xmlns:ui=\"{1}\">{2}",
      UiBinderConstants.UI_BINDER_ELEMENT_NAME,
      UiBinderConstants.UI_BINDER_XML_NAMESPACE, newLine);
  String afterCursorText = MessageFormat.format("{0}</ui:{1}>", newLine,
      UiBinderConstants.UI_BINDER_ELEMENT_NAME);
  String fullText = beforeCursorText + afterCursorText;

  String matchString = contentAssistRequest.getMatchString();
  if (!fullText.startsWith(matchString)) {
    return null;
  }

  int replaceOffset = contentAssistRequest.getReplacementBeginPosition();
  return new StaticTextProposalComputer(new String[] {fullText}, matchString,
      replaceOffset, matchString.length(), replaceOffset
          + beforeCursorText.length(),
      XmlContentAssistUtilities.getImageForElement());
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入方法依赖的package包/类
private void enumProposals(final ContentAssistRequest request, CompletionProposalInvocationContext context,
        ProposalCallback proposalCallback)
{
    TapestryProject tapestryProject = getTapestryProject(context);
    
    if (tapestryProject == null)
    {
        //  No tapestry project available for the context
        return;
    }
    
    Map<String, String> xmlnsMappings = findXmlnsMappingsRelativeTo(request.getNode());
    
    for (TapestryModule tapestryModule : tapestryProject.modules())
    {
        for (TapestryContext tapestryContext : tapestryModule.getComponents())
        {
            //  If tapestry-library: prefix defined, try to use it first for completion proposals
            String tagName = getComponentTagName(tapestryModule, tapestryContext, xmlnsMappings, true);
            String displayString = tagName;
            
            String userInput = request.getMatchString();
            
            if (!isComponentNameProposalMatches(tagName, userInput, xmlnsMappings))
            {
                //  ... and fall back to full component name if library prefixed name doesn't match user input:
                //  maybe the user is entering full component name
                String fullTagName = getComponentTagName(tapestryModule, tapestryContext, xmlnsMappings, false);
                
                if (!isComponentNameProposalMatches(fullTagName, userInput, xmlnsMappings))
                {
                    continue;
                }
                
                //  User tries to input full component name, but prefix is available for this library.
                //  Force using prefixed tag name for completion proposal, otherwise why would user defined xmlns for it?
                displayString = fullTagName;
            }
            
            proposalCallback.newProposal(tapestryContext, tagName, displayString);
        }
    }
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入方法依赖的package包/类
@Override
protected void addAttributeValueProposals(
		final ContentAssistRequest contentAssistRequest,
		CompletionProposalInvocationContext context) {
	// Check if project has angular nature
	IDOMNode element = (IDOMNode) contentAssistRequest.getNode();
	if (AngularDOMUtils.hasAngularNature(element)) {
		// check if it's class attribute
		IDOMAttr attr = DOMUtils.getAttrByRegion(element,
				contentAssistRequest.getRegion());
		// is angular directive attribute?
		Directive directive = AngularDOMUtils.getAngularDirectiveByRegion(
				element, contentAssistRequest.getRegion());
		AngularType angularType = directive != null ? directive.getDirectiveType()
				: null;
		if (angularType != null) {
			if (angularType.equals(AngularType.unknown)
					|| angularType.equals(AngularType.repeat_expression))
				angularType = AngularType.model;
			int startIndex = (contentAssistRequest.getMatchString()
					.startsWith("\"") || contentAssistRequest
					.getMatchString().startsWith("'")) ? 1 : 0;
			populateAngularProposals(contentAssistRequest, element,
					context.getDocument(), angularType, startIndex);
		} else {
			// is angular expression inside attribute?
			String matchingString = contentAssistRequest.getMatchString();
			String startSymbol = AngularProject.DEFAULT_START_SYMBOL;
			try {
				AngularProject angularProject = AngularProject
						.getAngularProject(DOMUtils.getFile(element)
								.getProject());
				startSymbol = angularProject.getStartSymbol();
			} catch (CoreException e) {
			}
			int index = matchingString.lastIndexOf(startSymbol);
			if (index != -1) {
				populateAngularProposals(contentAssistRequest, element,
						context.getDocument(), AngularType.model, index);
			} else {
				if (CLASS_ATTR.equals(attr.getName())) {
					addClassAttributeValueProposals(contentAssistRequest,
							context, attr);
				}
			}
		}
	}
	super.addAttributeValueProposals(contentAssistRequest, context);
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入方法依赖的package包/类
/**
 * Returns the attribute value of the content assist request from an attribute
 * completion.
 * <p>
 * This uses the match string to get the value, so it will work even if the
 * attribute is not well-formed and a DOM element does not exist.
 * 
 * @param contentAssistRequest the content assist request, in the context of
 *          an attribute completion
 * @return the attribute value (empty string if the value is empty)
 */
public static String getAttributeValueUsingMatchString(
    ContentAssistRequest contentAssistRequest) {
  String currentAttrValue = contentAssistRequest.getMatchString();
  if (currentAttrValue == null || currentAttrValue.length() < 1) {
    return "";
  }

  // Take off the leading ' or "
  return currentAttrValue.substring(1);
}