/**
* Gets the link node of the previous page.
*
* @param page the pagination object
* @param contextPath current context path of servlet
* @return the node
*/
private Element getPreviousElement(final Page<?> page, final String contextPath) {
final Element result = new Element("li");
String url;
if (!page.hasPrevious()) {
url = getPagedParams(contextPath, 0, page.getSize());
} else {
url = getPagedParams(contextPath, page.getNumber() - 1, page.getSize());
}
final Element a = new Element("a");
a.setAttribute("href", url);
result.addChild(a);
final Element icon = new Element("i");
icon.setAttribute("class", "glyphicon glyphicon-triangle-left");
a.addChild(icon);
if (!page.hasPrevious()) {
result.setAttribute("class", "disabled");
}
return result;
}
/**
* Gets the link node of the next page.
*
* @param page the pagination object
* @param contextPath current context path of servlet
* @return the node
*/
private Element getNextElement(final Page<?> page, final String contextPath) {
final Element result = new Element("li");
String url;
if (!page.hasNext()) {
int pageNumber = page.getTotalPages() - 1;
url = getPagedParams(contextPath, pageNumber < 0 ? 0 : pageNumber, page.getSize());
} else {
url = getPagedParams(contextPath, page.getNumber() + 1, page.getSize());
}
final Element a = new Element("a");
a.setAttribute("href", url);
result.addChild(a);
final Element icon = new Element("i");
icon.setAttribute("class", "glyphicon glyphicon-triangle-right");
a.addChild(icon);
if (!page.hasNext()) {
result.setAttribute("class", "disabled");
}
return result;
}
/** {@inheritDoc} */
@Override
protected List<Node> getMarkupSubstitutes(final Arguments arguments, final Element element) {
final List<Node> nodes = new ArrayList<>();
final Configuration configuration = arguments.getConfiguration();
// Obtain the attribute value
final IWebContext context = (IWebContext) arguments.getContext();
final String contextPath =
StringUtils.defaultIfEmpty(
element.getAttributeValue(SpringHrefAttrProcessor.ATTR_NAME),
context.getServletContext().getContextPath());
// Obtain the Thymeleaf Standard Expression parser
final IStandardExpressionParser parser = StandardExpressions.getExpressionParser(configuration);
// Parse the attribute value as a Thymeleaf Standard Expression
final String pageAttrValue = element.getAttributeValue(ATTR_PAGE);
final IStandardExpression expression =
parser.parseExpression(configuration, arguments, pageAttrValue);
Page<?> page = (Page<?>) expression.execute(configuration, arguments);
final Element container = new Element("ul");
container.setAttribute("class", "pagination");
container.addChild(getFirstElement(page, contextPath));
container.addChild(getPreviousElement(page, contextPath));
addStepElements(page, contextPath, container);
container.addChild(getNextElement(page, contextPath));
container.addChild(getLastElement(page, contextPath));
nodes.add(container);
return nodes;
}
@Override
protected ProcessorResult processAttribute(
Arguments arguments, Element element, String attributeName) {
ProductOptionValue productOptionValue =
(ProductOptionValue)
StandardExpressionProcessor.processExpression(
arguments, element.getAttributeValue(attributeName));
ProductOptionValueDTO dto = new ProductOptionValueDTO();
dto.setOptionId(productOptionValue.getProductOption().getId());
dto.setValueId(productOptionValue.getId());
dto.setValueName(productOptionValue.getAttributeValue());
if (productOptionValue.getPriceAdjustment() != null) {
dto.setPriceAdjustment(productOptionValue.getPriceAdjustment().getAmount());
}
try {
ObjectMapper mapper = new ObjectMapper();
Writer strWriter = new StringWriter();
mapper.writeValue(strWriter, dto);
element.setAttribute("data-product-option-value", strWriter.toString());
return ProcessorResult.OK;
} catch (Exception ex) {
LOG.error("There was a problem writing the product option value to JSON", ex);
}
return null;
}
/**
* Gets the link node of the first page.
*
* @param page the pagination object
* @param contextPath current context path of servlet
* @return the node
*/
private Element getFirstElement(final Page<?> page, final String contextPath) {
final Element result = new Element("li");
final Element a = new Element("a");
a.setAttribute("href", getPagedParams(contextPath, 0, page.getSize()));
result.addChild(a);
final Element icon = new Element("i");
icon.setAttribute("class", "glyphicon glyphicon-step-backward");
a.addChild(icon);
if (page.isFirst()) {
result.setAttribute("class", "disabled");
}
return result;
}
/**
* Adds elements for steps.
*
* @param page the pagination object
* @param contextPath current context path of servlet
* @param container the container node of the element
*/
private void addStepElements(
final Page<?> page, final String contextPath, final Element container) {
for (int step = 0; step < DEFAULT_STEPS; step++) {
// beyond total pages is not allowed
if (page.getTotalPages() < step + 1) {
continue;
}
String url;
int stepValue;
if ((page.getNumber() + DEFAULT_STEPS) <= page.getTotalPages()) {
// calculate by page number
url = getPagedParams(contextPath, page.getNumber() + step, page.getSize());
stepValue = page.getNumber() + step + 1;
} else if (page.getTotalPages() < DEFAULT_STEPS && page.getTotalPages() >= step + 1) {
// between step and DEFAULT_STEPS
url = getPagedParams(contextPath, step, page.getSize());
stepValue = step + 1;
} else {
// calculate by totalPages
url =
getPagedParams(
contextPath, page.getTotalPages() - DEFAULT_STEPS + step, page.getSize());
stepValue = page.getTotalPages() - DEFAULT_STEPS + step + 1;
}
final Element a = new Element("a");
a.setAttribute("href", url);
a.addChild(new Text(Integer.toString(stepValue)));
final Element li = new Element("li");
li.addChild(a);
// set active
if (page.getNumber() + 1 == stepValue) {
li.setAttribute("class", "active");
}
container.addChild(li);
}
}
@Override
protected ProcessorResult processAttribute(
Arguments arguments, Element element, String attributeName) {
String[] value = element.getAttributeValue(attributeName).split(":");
String webjarName = value[0];
String filePath = value[1];
element.removeAttribute(attributeName);
element.setAttribute(
"th:" + attribute,
String.format("@{/{path}/%s(path=${#webjars['%s'].path})}", filePath, webjarName));
// reevaluate th:src
element.setRecomputeProcessorsImmediately(true);
return ProcessorResult.OK;
}
@Override
public void startElement(
final String uri, final String localName, final String qName, final Attributes attributes)
throws SAXException {
if (!this.xmlDeclarationComputed) {
// SAX specification says the "getEncoding()" method in Locator2 can only
// be called AFTER startDocument has returned and BEFORE endDocument is called.
if (this.locator != null && this.locator instanceof Locator2) {
final Locator2 loc = (Locator2) this.locator;
this.xmlVersion = loc.getXMLVersion();
this.xmlEncoding = loc.getEncoding();
// There seems to be no way of obtaining the "standalone" property
// from the XML declaration.
}
this.xmlDeclarationComputed = true;
}
flushBuffer();
Integer lineNumber = null;
if (this.locator != null) {
lineNumber = Integer.valueOf(this.locator.getLineNumber());
}
final Element element = new Element(qName, this.documentName, lineNumber);
for (int i = 0; i < attributes.getLength(); i++) {
element.setAttribute(
attributes.getQName(i),
DOMUtils.unescapeXml(
TemplatePreprocessingReader.removeEntitySubstitutions(attributes.getValue(i)),
true));
}
this.elementStack.push(element);
}
