/**
* Simply concatenate the bloc prefix to the serialized form of each BlockContent contained in the
* given bloc.
*
* @param wikiElement Block to serialize.
* @param dispatcher Dispatcher used to call the correct serialization for each content
* @param blockPrefix prefix of the bloc (example : '*' for a bulleted list)
* @return serialized form of this block.
*/
public static String renderWithBlocPrefix(
Block wikiElement, WikiTextElementDispatcher dispatcher, String blockPrefix) {
// Step 1 : We first render the Block's prefix and style
String renderedContent = renderPrefixAndStyle(wikiElement, blockPrefix);
// Step 2 : We update the lastBlocWasPreformatted field
if (prefixMatchesWithPreformattedBloc(blockPrefix)) {
renderedContent = WikiTextResourceSerializer.LINE_BREAK + renderedContent;
lastBlocWasPreformatted = true;
} else {
lastBlocWasPreformatted = false;
if (prefixMatchesWithQuote(blockPrefix)) {
renderedContent = WikiTextResourceSerializer.LINE_BREAK + renderedContent;
}
}
// Step 3 : Calling the dispatcher to print all contents.
String lastContent = "";
for (BlockContent blocContent : wikiElement.getContent()) {
renderedContent += lastContent;
lastContent = dispatcher.doSwitch(blocContent);
}
if (!lastContent.equals(WikiTextResourceSerializer.LINE_BREAK)) {
renderedContent += lastContent;
}
return renderedContent;
}
/**
* Returns true if the previous element of the given block's container was a paragraph.
*
* @param block Block to analyse.
* @return true if the previous element of the given block's container was a paragraph, false
* otherwise.
*/
private static boolean lastElementWasParagraph(Block block) {
List<EObject> containerContent = new ArrayList<EObject>(block.eContainer().eContents());
int indiceBlock = containerContent.indexOf(block);
// For each text contained in the same bloc and at the same level than the given text
ListIterator<EObject> possibleNeighbours = containerContent.listIterator(indiceBlock);
if (possibleNeighbours.hasPrevious()) {
EObject previous = possibleNeighbours.previous();
if (previous instanceof Paragraph) {
EList<BlockContent> contents = ((Block) previous).getContent();
return !(contents.get(contents.size() - 1) instanceof Image);
}
}
return false;
}
/**
* Simply concatenate the serialized form of each BlockContent contained in the given bloc.
*
* @param wikiElement Block to serialize.
* @param dispatcher Dispatcher used to call the correct serialization for each content
* @return serialized form of the given wikiElement.
*/
public static String render(Block wikiElement, WikiTextElementDispatcher dispatcher) {
String prefix = "";
// If the given block has style and is not a TableCell, we have to render it with a prefix.
if (!(wikiElement instanceof TableCell)
&& (AttributeStyleSerializer.renderAttributeForBloc(wikiElement.getAttributes()).length()
> 0)) {
prefix =
WikiTextResourceSerializer.LINE_BREAK
+ PARAGRAPH_PREFIX
+ " "
+ WikiTextResourceSerializer.LINE_BREAK;
return renderWithBlocPrefix(wikiElement, dispatcher, prefix)
+ WikiTextResourceSerializer.LINE_BREAK;
} else {
if (lastElementWasParagraph(wikiElement)) {
prefix = WikiTextResourceSerializer.LINE_BREAK;
}
}
return renderWithBlocPrefix(wikiElement, dispatcher, prefix);
}
/**
* Return the string corresponding to the serialized form of the prefix and the styles of the
* given bloc.
*
* @param block block to render
* @param blockPrefix prefix of this bloc.
* @return the string corresponding to the serialized form of the prefix and the styles of the
* given bloc.
*/
private static String renderPrefixAndStyle(Block block, String blockPrefix) {
String renderedPrefixAndStyle = "";
if (blockPrefix.length() > 0) {
String blockPrefixEnd = "";
// We first get the beginning of the blockPrefix.
if (blockPrefix.contains(DOT)) {
blockPrefixEnd = blockPrefix.substring(blockPrefix.indexOf(DOT), blockPrefix.length());
renderedPrefixAndStyle = blockPrefix.substring(0, blockPrefix.indexOf(DOT));
} else {
renderedPrefixAndStyle = blockPrefix;
}
// Now that we have the prefix, we insert the style
renderedPrefixAndStyle +=
AttributeStyleSerializer.renderAttributeForBloc(block.getAttributes());
// We redress the dots at the end of the blockPrefix
renderedPrefixAndStyle += blockPrefixEnd;
}
return renderedPrefixAndStyle;
}
