@Override
public void onComponentTag(final Component component, final ComponentTag tag) {
String expr = tag.getAttributes().getString(wicketMessageAttrName);
if (!Strings.isEmpty(expr)) {
expr = expr.trim();
String[] attrsAndKeys = Strings.split(expr, ',');
for (String attrAndKey : attrsAndKeys) {
int colon = attrAndKey.lastIndexOf(":");
// make sure the attribute-key pair is valid
if (attrAndKey.length() < 3 || colon < 1 || colon > attrAndKey.length() - 2) {
throw new WicketRuntimeException(
"wicket:message attribute contains an invalid value [["
+ expr
+ "]], must be of form (attr:key)+");
}
String attr = attrAndKey.substring(0, colon);
String key = attrAndKey.substring(colon + 1);
// we need to call the proper getString() method based on
// whether or not we have a default value
final String value;
if (tag.getAttributes().containsKey(attr)) {
value = component.getString(key, null, tag.getAttributes().getString(attr));
} else {
value = component.getString(key);
}
tag.put(attr, value);
}
}
}
@Override
public void onComponentTag(Component component, ComponentTag tag) {
super.onComponentTag(component, tag);
QuestionCategoryComponentsView view = (QuestionCategoryComponentsView) component;
String cssClass = GRID_CLASS_PREFIX + "-" + view.getColumns();
if (tag.getAttributes().containsKey("class")) {
cssClass += " " + tag.getAttributes().getString("class");
}
tag.getAttributes().put("class", cssClass);
}
/**
* Adds random noise to the url every request to prevent the browser from caching the image.
*
* @param tag
*/
protected final void addAntiCacheParameter(final ComponentTag tag) {
String url = tag.getAttributes().getString("src");
url = url + (url.contains("?") ? "&" : "?");
url = url + "antiCache=" + System.currentTimeMillis();
tag.put("src", url);
}
/* (non-Javadoc)
* @see net.jawr.web.wicket.AbstractJawrReference#createRenderer(net.jawr.web.resource.bundle.handler.ResourceBundlesHandler, boolean, org.apache.wicket.markup.ComponentTag)
*/
@Override
protected BundleRenderer createRenderer(
ResourceBundlesHandler rsHandler, Boolean useRandomParam, ComponentTag tag) {
final IValueMap attributes = tag.getAttributes();
boolean defer = attributes.getBoolean(JawrConstant.DEFER_ATTR);
return new JavascriptHTMLBundleLinkRenderer(rsHandler, useRandomParam, defer);
}
public static void addAttribute(ComponentTag tag, String attName, String addValue, String sep) {
String value = tag.getAttributes().getString(attName);
if (StringUtils.isEmpty(value)) {
tag.put(attName, addValue);
} else {
tag.put(attName, value + sep + addValue);
}
}
@Override
protected void onComponentTag(final ComponentTag tag) {
super.onComponentTag(tag);
// our component tag is not actually the input that is submitted
if (tag.getAttributes().containsKey("name")) {
tag.remove("name");
}
}
@Override
public void onComponentTag(Component component, ComponentTag tag) {
super.onComponentTag(component, tag);
IValueMap attributes = tag.getAttributes();
attributes.put("data-header-selector", "#" + header.getMarkupId());
attributes.put("data-footer-selector", "#" + footer.getMarkupId());
}
/**
* @param form
* @param tag
* @return
*/
private String verifyFormName(Form<?> form, ComponentTag tag) {
IValueMap attributes = tag.getAttributes();
String value = attributes.getString("name");
if (value == null) {
value = form.getId();
tag.put("name", value);
}
return value;
}
/**
* Test that a null model does not append an empty attribute
* https://issues.apache.org/jira/browse/WICKET-3884
*/
@Test
public void nullModelDoesNotAppendEmptyAttribute() {
AttributeModifier appender = AttributeModifier.append("class", null);
XmlTag xmlTag = new XmlTag();
ComponentTag tag = new ComponentTag(xmlTag);
appender.replaceAttributeValue(null, tag);
Map<String, Object> attributes = tag.getAttributes();
assertTrue(attributes.isEmpty());
}
/**
* Tests {@link AttributeModifier#remove(String)}
*
* <p>https://issues.apache.org/jira/browse/WICKET-3934
*/
@Test
public void removeAttribute() {
AttributeModifier appender = AttributeModifier.remove("class");
XmlTag xmlTag = new XmlTag();
ComponentTag tag = new ComponentTag(xmlTag);
Map<String, Object> attributes = tag.getAttributes();
attributes.put("class", "someValue");
appender.replaceAttributeValue(null, tag);
assertTrue(attributes.isEmpty());
}
/** Test that a null model does not throw null pointers. */
@Test
public void nullModelDoesNotThrowNullPointerExceptions() {
AttributeModifier modifier = new AttributeModifier("test", null);
XmlTag xmlTag = new XmlTag();
ComponentTag tag = new ComponentTag(xmlTag);
tag.setId("foo");
tag.setName("test");
modifier.replaceAttributeValue(null, tag);
Map<String, Object> attributes = tag.getAttributes();
assertTrue(attributes.isEmpty());
}
/**
* Add an attribute with name equal (Object#equals()) to the special {@link
* AttributeModifier#VALUELESS_ATTRIBUTE_REMOVE} but not identity equal
*
* <p>https://issues.apache.org/jira/browse/WICKET-3934
*/
@Test
public void appendSpecialAttribute() {
String attrName = "attrName";
AttributeModifier appender = AttributeModifier.append(attrName, "VA_REMOVE");
XmlTag xmlTag = new XmlTag();
ComponentTag tag = new ComponentTag(xmlTag);
Map<String, Object> attributes = tag.getAttributes();
attributes.put(attrName, "VA_REMOVE");
appender.replaceAttributeValue(null, tag);
assertFalse(attributes.isEmpty());
assertEquals("VA_REMOVE VA_REMOVE", attributes.get(attrName));
}
/** Test simple model replacement. */
@Test
public void testModelReplacement() {
AttributeModifier modifier = new AttributeModifier("test", Model.of("Ellioth Smith Rocks"));
XmlTag xmlTag = new XmlTag();
ComponentTag tag = new ComponentTag(xmlTag);
tag.setId("test");
tag.setName("id");
modifier.replaceAttributeValue(null, tag);
Map<String, Object> attributes = tag.getAttributes();
assertTrue(!attributes.isEmpty());
String replacement = (String) attributes.get("test");
assertNotNull(replacement);
assertEquals("Ellioth Smith Rocks", replacement);
}
public final void replaceAttributeValue(final Component component, final ComponentTag tag) {
if (this.isEnabled(component)) {
final IValueMap attributes = tag.getAttributes();
final Object replacementValue = this.getReplacementOrNull(component);
if (AttributeModifier.VALUELESS_ATTRIBUTE_ADD == replacementValue) {
attributes.put((Object) this.attribute, (Object) null);
} else if (AttributeModifier.VALUELESS_ATTRIBUTE_REMOVE == replacementValue) {
attributes.remove((Object) this.attribute);
} else {
final String value = this.toStringOrNull(attributes.get((Object) this.attribute));
final String newValue = this.newValue(value, this.toStringOrNull(replacementValue));
if (newValue != null) {
attributes.put((Object) this.attribute, (Object) newValue);
}
}
}
}
/** Test that that the attribute modifier does nothing with not enabled. */
@Test
public void testNoNewValueWhenNotEnabled() {
AttributeModifier modifier =
new AttributeModifier("test", Model.of("Ellioth Smith Rocks")) {
@Override
public boolean isEnabled(Component component) {
return false;
}
};
XmlTag xmlTag = new XmlTag();
ComponentTag tag = new ComponentTag(xmlTag);
tag.setId("test");
tag.setName("id");
Map<String, Object> attributes = tag.getAttributes();
attributes.put("test", "My mother rocks");
modifier.replaceAttributeValue(null, tag);
String replacement = (String) attributes.get("test");
assertNotNull(replacement);
assertEquals("My mother rocks", replacement);
}
/** Test overriding newValue (and using a null model). */
@Test
public void testNewValue() {
AttributeModifier modifier =
new AttributeModifier("test", null) {
private static final long serialVersionUID = 1L;
@Override
protected String newValue(String currentValue, String replacementValue) {
return "the replacement";
}
};
XmlTag xmlTag = new XmlTag();
ComponentTag tag = new ComponentTag(xmlTag);
tag.setId("test");
tag.setName("id");
modifier.replaceAttributeValue(null, tag);
Map<String, Object> attributes = tag.getAttributes();
assertTrue(!attributes.isEmpty());
String replacement = (String) attributes.get("test");
assertNotNull(replacement);
assertEquals("the replacement", replacement);
}
@Override
protected final MarkupElement onComponentTag(ComponentTag tag) throws ParseException {
if (tag.isClose()) {
return tag;
}
final String wicketMessageAttribute = tag.getAttributes().getString(getWicketMessageAttrName());
if ((wicketMessageAttribute != null) && (wicketMessageAttribute.trim().length() > 0)) {
// check if this tag is raw markup
if (tag.getId() == null) {
// if this is a raw tag we need to set the id to something so
// that wicket will not merge this as raw markup and instead
// pass it on to a resolver
tag.setId(WICKET_MESSAGE_CONTAINER_ID);
tag.setAutoComponentTag(true);
tag.setModified(true);
}
tag.addBehavior(new AttributeLocalizer(getWicketMessageAttrName()));
}
return tag;
}
@Override
protected void onComponentTag(final ComponentTag tag) {
super.onComponentTag(tag);
IValueMap attributes = tag.getAttributes();
if (minimum != null) {
attributes.put("min", Objects.stringValue(minimum));
} else {
attributes.remove("min");
}
if (maximum != null) {
attributes.put("max", Objects.stringValue(maximum));
} else {
attributes.remove("max");
}
if (step != null) {
attributes.put("step", Objects.stringValue(step));
} else {
attributes.remove("step");
}
}
@Override
protected MarkupElement onComponentTag(final ComponentTag tag) throws ParseException {
// We only need ComponentTags
if (tag instanceof WicketTag) {
return tag;
}
// Has wicket:enclosure attribute?
String enclosureAttr = getAttribute(tag, null);
if (enclosureAttr != null) {
if (tag.isOpen()) {
// Make sure 'wicket:id' and 'id' are consistent
String htmlId = tag.getAttribute("id");
if ((tag.getId() != null) && !Strings.isEmpty(htmlId) && !htmlId.equals(tag.getId())) {
throw new ParseException(
"Make sure that 'id' and 'wicket:id' are the same if both are provided. Tag:"
+ tag.toString(),
tag.getPos());
}
// if it doesn't have a wicket-id already, then assign one now.
if (Strings.isEmpty(tag.getId())) {
if (Strings.isEmpty(htmlId)) {
String id =
getWicketNamespace() + "_" + INLINE_ENCLOSURE_ID_PREFIX + getRequestUniqueId();
tag.setId(id);
} else {
tag.setId(htmlId);
}
tag.setAutoComponentTag(true);
tag.setAutoComponentFactory(
new ComponentTag.IAutoComponentFactory() {
@Override
public Component newComponent(MarkupContainer container, ComponentTag tag) {
String attributeName = getInlineEnclosureAttributeName(null);
String childId = tag.getAttribute(attributeName);
return new InlineEnclosure(tag.getId(), childId);
}
});
tag.setModified(true);
}
// Put the enclosure on the stack. The most current one will be on top
if (enclosures == null) {
enclosures = new ArrayDeque<>();
}
enclosures.push(tag);
} else {
throw new ParseException(
"Open-close tags don't make sense for InlineEnclosure. Tag:" + tag.toString(),
tag.getPos());
}
}
// Are we within an enclosure?
else if ((enclosures != null) && (enclosures.size() > 0)) {
// In case the enclosure tag did not provide a child component id, then assign the
// first ComponentTag's id found as the controlling child to the enclosure.
if (tag.isOpen()
&& (tag.getId() != null)
&& !(tag instanceof WicketTag)
&& !tag.isAutoComponentTag()) {
Iterator<ComponentTag> componentTagIterator = enclosures.descendingIterator();
while (componentTagIterator.hasNext()) {
ComponentTag lastEnclosure = componentTagIterator.next();
String attr = getAttribute(lastEnclosure, null);
if (Strings.isEmpty(attr) == true) {
lastEnclosure.getAttributes().put(getInlineEnclosureAttributeName(null), tag.getId());
lastEnclosure.setModified(true);
}
}
} else if (tag.isClose() && tag.closes(enclosures.peek())) {
ComponentTag lastEnclosure = enclosures.pop();
String attr = getAttribute(lastEnclosure, null);
if (Strings.isEmpty(attr) == true) {
throw new ParseException(
"Did not find any child for InlineEnclosure. Tag:" + lastEnclosure.toString(),
tag.getPos());
}
}
}
return tag;
}
/**
* @param tag The ComponentTag of the markup element with wicket:enclosure attribute
* @return The value of wicket:enclosure attribute or null if not found
*/
private String getAttribute(final ComponentTag tag, MarkupStream markupStream) {
return tag.getAttributes().getString(getInlineEnclosureAttributeName(markupStream));
}
