Examples of org.jfree.layouting.layouter.style.functions.content.ContentFunction

Package org.jfree.layouting.layouter.style.functions.content

Examples of org.jfree.layouting.layouter.style.functions.content.ContentFunction

org.jfree.layouting.layouter.style.functions.content.ContentFunction
A content function is only valid when evaluating either the 'content' property or the 'string-set' property. These functions produce ContentToken. ContentFunctions are only valid as first-level functions. That means, when evaluating nested function calls like 'url(attr(blah))', the URL function will be resolved as ContentFunction, but the attr-function will be resolved as ordinary CSSValue function. @author Thomas Morgner

    return function;
  }


  public ContentFunction getContentFunction (final String name)
  {
    final ContentFunction function = (ContentFunction) contentFunctions.get(name.toLowerCase());
    if (function == null)
    {
      DebugLog.log("Unrecognized content function encountered: " + name);
    }
    // todo: Check for null values in all callers ..

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  private ContentToken evaluateFunction(final CSSFunctionValue function,
                                        final LayoutProcess process,
                                        final LayoutElement element)
  {
    final ContentFunction styleFunction =
        FunctionFactory.getInstance().getContentFunction(function.getFunctionName());
    if (styleFunction == null)
    {
      return null;
    }
    try
    {
      return styleFunction.evaluate(process, element, function);
    }
    catch (FunctionEvaluationException e)
    {
      DebugLog.log("Evaluation failed " + e);
      return null;

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    return function;
  }


  public ContentFunction getContentFunction (final String name)
  {
    final ContentFunction function = (ContentFunction) contentFunctions.get(name.toLowerCase());
    if (function == null)
    {
      Log.warn ("Unrecognized content function encountered: " + name);
    }
    // todo: Check for null values in all callers ..

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                                        final LayoutElement element)


  {


    ContentFunction styleFunction =


        FunctionFactory.getInstance().getContentFunction(function.getFunctionName());


    if (styleFunction == null)


    {


      return null;


    }


    try


    {


      return styleFunction.evaluate(process, element, function);


    }


    catch (FunctionEvaluationException e)

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    return function;
  }


  public ContentFunction getContentFunction (String name)
  {
    final ContentFunction function = (ContentFunction) contentFunctions.get(name.toLowerCase());
    if (function == null)
    {
      Log.warn ("Unrecognized content function encountered: " + name);
    }
    // todo: Check for null values in all callers ..

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  private ContentToken evaluateFunction(final CSSFunctionValue function,
                                        final LayoutProcess process,
                                        final LayoutElement element)
  {
    final ContentFunction styleFunction =
        FunctionFactory.getInstance().getContentFunction(function.getFunctionName());
    if (styleFunction == null)
    {
      return null;
    }
    try
    {
      return styleFunction.evaluate(process, element, function);
    }
    catch (FunctionEvaluationException e)
    {
      Log.debug("Evaluation failed " + e);
      return null;

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Related Classes of org.jfree.layouting.layouter.style.functions.content.ContentFunction

org.jfree.layouting.layouter.style.functions.FunctionFactory

org.jfree.layouting.layouter.style.resolver.computed.content.ContentResolveHandler

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