Esempio n. 1
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 protected InlineOperation handle(InlineInstructionRef object) {
   InlineInstruction oldInlineInstruction =
       renderingContext
           .getPatternRepository()
           .getInlineInstruction(object.getReferencedInstruction().getId());
   return handle(oldInlineInstruction);
 }
Esempio n. 2
0
  protected InlineOperation handle(InlineInstruction object) {
    List<InlineOperation> newOperations = new ArrayList<InlineOperation>();
    InlineInstruction oldInlineInstruction =
        renderingContext.getPatternRepository().getInlineInstruction(object.getId());
    InlineInstruction newInlineInstruction =
        new InlineInstruction(oldInlineInstruction, newOperations);

    for (InlineOperation operation : oldInlineInstruction.getOperations()) {
      InlineOperation newOperation = handle(operation);
      // if null is returned, we cannot chart, so return null up the chain
      if (newOperation == null) {
        return null;
      }
      newOperations.add(newOperation);
    }
    return newInlineInstruction;
  }
Esempio n. 3
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  @Override
  public void end(Object element, Renderer renderer) {
    RenderingContext context = renderer.getRenderingContext();
    // retrieve the "before" and "after" visiting states of the knitting
    // engine so that we have something to go back to
    Object beforeVisitingEngineState = context.getPatternState().retrieveSavedEngineState();
    Object afterVisitingEngineState = context.getEngine().save();
    // start with the state before the instruction was sent through the
    // engine
    renderer.getRenderingContext().getEngine().restore(beforeVisitingEngineState);

    // retrieve the instruction from the knitting context's repository
    // rather than the instruction from the document, as the rows
    // may have been expanded.
    PatternRepository repository = context.getPatternRepository();
    Instruction instruction = (Instruction) element;
    String id = instruction.getId();
    Instruction candidateInstruction =
        context.getKnittingContext().getPatternRepository().getBlockInstruction(id);

    // have the renderer evaluate the instruction and return a different
    // instruction if it wants to change anything. Pass it a sibling
    // repeat-instruction
    // if it can be found.
    Instruction instructionToUse =
        renderer.evaluateInstruction(
            candidateInstruction, findSiblingRepeatInstruction(instruction, renderer));
    // if the renderer didn't alter anything, it returns null
    if (instructionToUse == null) {
      instructionToUse = candidateInstruction;
    }

    InstructionInfo instructionInfo;
    if (instructionToUse.hasLabelOrMessageKey()) {
      instructionInfo =
          deriveInstructionInfo(instructionToUse, deriveLabel(instruction, repository));
      repository.addGlobalInstruction(instructionInfo);
    } else {
      instructionInfo = deriveInstructionInfo(instructionToUse, null);
      repository.addLocalInstruction(instructionInfo);
    }

    context.getPatternState().setCurrentInstructionInfo(instructionInfo);
    if (instructionInfo.getRowRange() != null) {
      setLastExpressedRowNumber(instructionInfo.getRowRange().getMaximumInteger(), context);
      // if setLastExpressedRowNumber resets the local instructions, this
      // would also clear out the currently executing instruction. We
      // don't want that to happen, so add it back in.
      // FIXME this is really backwards; maybe we should redo this
      if (repository.getInstruction(instruction.getId()) == null) {
        repository.addLocalInstruction(instructionInfo);
      }
    }
    renderer.beginInstruction(instructionInfo);
    InstructionController embeddedController = new InstructionController(getEventHandlerFactory());
    embeddedController.visitInstruction(instructionToUse, renderer);
    context.getPatternState().clearCurrentInstructionInfo();
    renderer.endInstruction();

    // restore to the way things were (after engine processing but before
    // this method was called)
    renderer.getRenderingContext().getEngine().restore(afterVisitingEngineState);
  }