private void buildBlock(List<Building> buildingList) {
Block block = new Block();
block.add(buildingList.get(0));
if (buildingList.size() == 1) {
blockList.add(block);
return;
}
int maxRight = buildingList.get(0).getRight();
for (int i = 1; i < buildingList.size(); i++) {
if (buildingList.get(i).getLeft() <= maxRight) {
if (buildingList.get(i).getRight() > maxRight) {
maxRight = buildingList.get(i).getRight();
}
block.add(buildingList.get(i));
// the last building
if (i == buildingList.size() - 1) {
blockList.add(block);
}
}
if (buildingList.get(i).getLeft() > maxRight) {
blockList.add(block);
buildBlock(buildingList.subList(i, buildingList.size()));
break;
}
}
}
/**
* Processes MathML data.
*
* @param element MathML data element
* @param block parent block
* @throws DocumentException if some error occurs
*/
private void processMath(Element element, Block<Atom> block) throws DocumentException {
try {
element.setAttribute("xmlns:m", URI_M);
element.setAttribute("xmlns:w", URI_W);
ByteArrayOutputStream omml = new ByteArrayOutputStream();
DomUtil.save(element, omml);
Source xsl = new StreamSource(getClass().getResourceAsStream(XSL_OMML2MML));
Source xml = new StreamSource(new ByteArrayInputStream(omml.toByteArray()));
DOMResult mml = new DOMResult();
XslUtil.transform(xml, xsl, mml);
LayoutContextImpl context =
new LayoutContextImpl(LayoutContextImpl.getDefaultLayoutContext());
Float fontSize = (Float) context.getParameter(Parameter.MATHSIZE);
final float factor = 1.5F;
context.setParameter(Parameter.MATHSIZE, factor * fontSize);
context.setParameter(Parameter.MFRAC_KEEP_SCRIPTLEVEL, Boolean.FALSE);
ByteArrayOutputStream out = new ByteArrayOutputStream();
ConverterRegistry.getInstance()
.getConverter("image/png")
.convert(mml.getNode(), context, out);
Image image = new Image();
mathImageIndex++;
final String imageName = "mml-" + mathImageIndex + ".png";
image.setUrl(imageName);
image.setAlt(imageName);
image.setData(out.toByteArray());
block.add(image);
} catch (XmlException e) {
throw new DocumentException(e);
} catch (IOException e) {
throw new DocumentException(e);
}
}
/**
* Processes image data.
*
* @param element image element
* @param block parent block
* @throws DocumentException if some error occurs
*/
private void processImage(Element element, Block<Atom> block) throws DocumentException {
try {
String path = "drawing/inline/graphic/graphicData/pic/blipFill/" + "blip/@embed";
String id = getText(element, path);
String resource = "word/" + resources.get(id);
Image image = new Image();
String text = getText(element, "drawing/inline/docPr/@descr");
image.setAlt(text);
image.setUrl(resource);
DocxReader.this.processors.put(resource, new ImageProcessor(image));
block.add(image);
} catch (XmlException e) {
throw new DocumentException(e);
}
}
/**
* Processes text node.
*
* @param element text node parent
* @param block parent block
* @throws DocumentException if some error occurs
*/
private void processText(Element element, Block<Atom> block) throws DocumentException {
try {
TextNode node = new TextNode();
node.setText(getText(element, TAG_T));
node.setBold(exists(element, "rPr/b"));
node.setItalic(exists(element, "rPr/i"));
node.setUnderlined(exists(element, "rPr/u"));
String vertAlign = getText(element, "rPr/vertAlign/@val");
node.setSuperscript("superscript".equals(vertAlign));
node.setSubscript("subscript".equals(vertAlign));
// TODO add font support
block.add(node);
} catch (XmlException e) {
throw new DocumentException(e);
}
}
