Java ContentAssistRequest类代码示例

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
private void addProposal(ContentAssistRequest contentAssistRequest, String name, INgBindingType bindingType,
		String displayString, Image image, String additionalProposalInfo) {
	String alternateMatch = bindingType.formatAttr(name);
	StringBuilder replacementString = new StringBuilder(alternateMatch);
	if (!hasValue) {
		replacementString.append("=\"\"");
	}
	StringBuilder replacementStringCursor = new StringBuilder(alternateMatch);
	replacementStringCursor.append("=\"\"");

	int replacementOffset = contentAssistRequest.getReplacementBeginPosition();
	int replacementLength = contentAssistRequest.getReplacementLength();
	int cursorPosition = getCursorPositionForProposedText(replacementStringCursor.toString());

	IContextInformation contextInformation = null;

	int relevance = XMLRelevanceConstants.R_XML_ATTRIBUTE_NAME;

	ICompletionProposal proposal = new HTMLAngularCompletionProposal(replacementString.toString(),
			replacementOffset, replacementLength, cursorPosition, image, displayString, alternateMatch,
			contextInformation, additionalProposalInfo, relevance);
	contentAssistRequest.addProposal(proposal);
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
/**
 * Returns the attribute from a content assist request from an attribute
 * completion.
 * 
 * @param request the content assist request, in the context of an attribute
 *          completion
 * @return the XML DOM attribute, or null
 */
public static IDOMAttr getAttribute(ContentAssistRequest request) {
  int valueRegionStartOffset = request.getStartOffset();

  NamedNodeMap attributes = request.getNode().getAttributes();
  
  if (attributes == null) {
    return null;
  }
  
  for (int i = 0; i < attributes.getLength(); i++) {
    IDOMAttr attribute = (IDOMAttr) attributes.item(i);
    if (attribute.getValueRegionStartOffset() == valueRegionStartOffset) {
      return attribute;
    }
  }

  return null;
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
/**
 * Resolves the java project for the given {@link ContentAssistRequest}.
 * 
 * @param contentAssistRequest the request whose document will be used to get
 *          the java project
 * @return the java project corresponding to the request, or null if one could
 *         not be resolved
 */
public static IJavaProject resolveJavaProject(
    ContentAssistRequest contentAssistRequest) {
  IDocument document = contentAssistRequest.getDocumentRegion().getParentDocument();
  IFile file = SseUtilities.resolveFile(document);
  if (file == null) {
    return null;
  }

  IJavaProject javaProject = JavaCore.create(file.getProject());
  if (!JavaProjectUtilities.isJavaProjectNonNullAndExists(javaProject)) {
    return null;
  }

  return javaProject;
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
public static ElExpressionProposalComputer newUsingContentAssistRequest(
    ContentAssistRequest contentAssistRequest, IJavaProject javaProject) {

  String currentAttrValue = XmlContentAssistUtilities.getAttributeValueUsingMatchString(contentAssistRequest);
  int currentAttrValueOffset = XmlContentAssistUtilities.getAttributeValueOffset(contentAssistRequest);

  int elExpressionOffsetInAttrValue = UiBinderUtilities.getOpenElExpressionContentsOffset(currentAttrValue);
  if (elExpressionOffsetInAttrValue == -1) {
    // Not in EL expression, this computer is useless
    return null;
  }

  return new ElExpressionProposalComputer(
      currentAttrValue.substring(elExpressionOffsetInAttrValue),
      currentAttrValueOffset + elExpressionOffsetInAttrValue,
      contentAssistRequest.getNode().getOwnerDocument(), javaProject);
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的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; //导入依赖的package包/类
public static IProposalComputer newUiPhAttributeProposalComputer(
    ContentAssistRequest contentAssistRequest) {

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

  if (XmlUtilities.getAttribute(node,
      UiBinderConstants.UI_BINDER_PH_ATTRIBUTE_NAME, true,
      UiBinderConstants.UI_BINDER_XML_NAMESPACE) != null) {
    // This element already has a ui:field attribute
    return null;
  }

  // Only show this on HTML elements, which should be without a namespace
  if (node.getNamespaceURI() != null) {
    return null;
  }

  return createStaticTextProposalComputerForUiAttribute(
      UiBinderConstants.UI_BINDER_PH_ATTRIBUTE_NAME, node,
      contentAssistRequest);
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
/**
 * Creates a proposal computer for autocompleting the UiBinder root element
 * URN import scheme. For example, <ui:UiBinder
 * xmlns:g="urn:import:com.google.gwt._" />
 */
public static IProposalComputer newUrnImportProposalComputer(
    ContentAssistRequest contentAssistRequest, IJavaProject javaProject) {
  IDOMAttr attribute = XmlContentAssistUtilities.getAttribute(contentAssistRequest);
  if (attribute == null) {
    return null;
  }

  String attrValue = XmlContentAssistUtilities.getAttributeValueUsingMatchString(contentAssistRequest);
  if (!UiBinderXmlModelUtilities.isUrnImportAttribute(attribute)) {
    return null;
  }

  int urnImportLength = UiBinderConstants.URN_IMPORT_NAMESPACE_BEGINNING.length();
  if (attrValue.length() < urnImportLength) {
    return null;
  }

  String replaceText = attrValue.substring(urnImportLength);
  int replaceOffset = XmlContentAssistUtilities.getAttributeValueOffset(contentAssistRequest)
      + urnImportLength;

  return new CodeCompleteProposalComputer(
      new int[]{CompletionProposal.PACKAGE_REF}, javaProject, replaceText,
      replaceOffset, replaceText.length(), null, false);
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的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; //导入依赖的package包/类
@Override
protected void addAttributeValueProposals(
    ContentAssistRequest contentAssistRequest) {
  super.addAttributeValueProposals(contentAssistRequest);

  if (javaProject != null) {
    addProposals(
        contentAssistRequest,
        ElExpressionProposalComputer.newUsingContentAssistRequest(
            contentAssistRequest, javaProject),
        ProposalComputerFactory.newUiImportFieldProposalComputer(
            contentAssistRequest, javaProject, filePackageName),
        ProposalComputerFactory.newWithTypeProposalComputer(
            contentAssistRequest, javaProject),
        ProposalComputerFactory.newUrnImportProposalComputer(
            contentAssistRequest, javaProject),
        ProposalComputerFactory.newUrnTypesProposalComputer(contentAssistRequest),
        ProposalComputerFactory.newUiFieldProposalComputer(
            contentAssistRequest, javaProject));
  }
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
@Override
protected void addTagNameProposals(ContentAssistRequest contentAssistRequest,
    int childPosition) {
  super.addTagNameProposals(contentAssistRequest, childPosition);

  if (javaProject != null) {
    addProposals(
        contentAssistRequest,
        ProposalComputerFactory.newUiBinderRootElementProposalComputer(contentAssistRequest));

    if (addProposals(contentAssistRequest,
        WidgetProposalComputer.newUsingContentAssistRequest(
            contentAssistRequest, javaProject))) {
      addedDynamicWidgetProposals = true;
    }
  }
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
/**
 * Calls the given proposal computers and adds their proposals to the content
 * assist request.
 * 
 * @param contentAssistRequest the recipient of the proposals
 * @param proposalComputers the proposal computers, null is permitted
 * @return true if proposals were added to the request
 */
private boolean addProposals(ContentAssistRequest contentAssistRequest,
    IProposalComputer... proposalComputers) {

  List<ICompletionProposal> proposals = new ArrayList<ICompletionProposal>();
  for (IProposalComputer proposalComputer : proposalComputers) {
    if (proposalComputer == null) {
      continue;
    }

    try {
      proposalComputer.computeProposals(proposals);
    } catch (UiBinderException e) {
      GWTPluginLog.logWarning(e, MessageFormat.format(
          "Could not compute proposals for {0}.",
          proposalComputer.getClass().getSimpleName()));
      return false;
    }
  }

  for (ICompletionProposal proposal : proposals) {
    contentAssistRequest.addProposal(proposal);
  }

  return proposals.size() > 0;
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
private void proposeStatementId(ContentAssistRequest contentAssistRequest,
	IJavaProject project, String matchString, int start, int length, IDOMNode node)
	throws JavaModelException, XPathExpressionException
{
	final List<ICompletionProposal> results = new ArrayList<ICompletionProposal>();
	final MethodNameStore methodStore = new MethodNameStore();
	String qualifiedName = MybatipseXmlUtil.getNamespace(node.getOwnerDocument());
	JavaMapperUtil.findMapperMethod(methodStore, project, qualifiedName,
		new RejectStatementAnnotation(matchString, false));
	for (String methodName : methodStore.getMethodNames())
	{
		results.add(new CompletionProposal(methodName, start, length, methodName.length(),
			Activator.getIcon(), methodName, null, null));
	}
	addProposals(contentAssistRequest, results);
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
private void proposeProperty(ContentAssistRequest contentAssistRequest, String matchString,
	int start, int length, IDOMNode node) throws JavaModelException
{
	String javaType = MybatipseXmlUtil.findEnclosingType(node);
	if (javaType != null && !MybatipseXmlUtil.isDefaultTypeAlias(javaType))
	{
		IJavaProject project = getJavaProject(contentAssistRequest);
		IType type = project.findType(javaType);
		if (type == null)
		{
			javaType = TypeAliasCache.getInstance().resolveAlias(project, javaType, null);
			if (javaType == null)
				return;
		}
		addProposals(contentAssistRequest, ProposalComputorHelper.proposePropertyFor(project,
			start, length, javaType, false, -1, matchString));
	}
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
@Override
protected void addTagNameProposals(final ContentAssistRequest request,
                                   int childPosition,
                                   CompletionProposalInvocationContext context)
{
    enumProposals(request, context, new ProposalCallback()
    {
        @Override
        public void newProposal(TapestryContext tapestryContext,
                                String tagName,
                                String displayString)
        {
            addProposal(request, tapestryContext, tagName, displayString);
        }
    });
}
 

import org.eclipse.wst.xml.ui.internal.contentassist.ContentAssistRequest; //导入依赖的package包/类
private void addProposal(ContentAssistRequest request,
                         TapestryContext tapestryContext,
                         String replacementString,
                         String displayString)
{
    request.addProposal(new MarkupCompletionProposal(
            replacementString,  // replacementString
            request.getReplacementBeginPosition(),
            request.getReplacementLength(),
            replacementString.length(),
            Activator.getTapestryLogoIcon(), // image
            displayString, // displayString
            null, // contextInfo
            tapestryContext.getJavadoc(),  // additionalProposalInfo
            3000 - (StringUtils.countMatches(replacementString, ".") > 0 ? 1 : 0), // relevance
            true  // updateReplacementLengthOnValidate
            ));
}