public void collapseIfEmpty() {
final XmlTag[] tags = getSubTags();
if (tags.length > 0) {
return;
}
final ASTNode closingName = XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(this);
final ASTNode startTagEnd = XmlChildRole.START_TAG_END_FINDER.findChild(this);
if (closingName == null || startTagEnd == null) {
return;
}
final PomModel pomModel = PomManager.getModel(getProject());
final PomTransactionBase transaction =
new PomTransactionBase(this, pomModel.getModelAspect(XmlAspect.class)) {
@Nullable
public PomModelEvent runInner() {
final ASTNode closingBracket = closingName.getTreeNext();
removeRange(startTagEnd, closingBracket);
final LeafElement emptyTagEnd =
Factory.createSingleLeafElement(
XmlTokenType.XML_EMPTY_ELEMENT_END, "/>", 0, 2, null, getManager());
replaceChild(closingBracket, emptyTagEnd);
return null;
}
};
try {
pomModel.runTransaction(transaction);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
public PomModelEvent runInner() throws IncorrectOperationException {
final ASTNode anchor = expandTag();
if (myChild.getElementType() == XmlElementType.XML_TAG) {
// compute where to insert tag according to DTD or XSD
final XmlElementDescriptor parentDescriptor = getDescriptor();
final XmlTag[] subTags = getSubTags();
final PsiElement declaration =
parentDescriptor != null ? parentDescriptor.getDeclaration() : null;
// filtring out generated dtds
if (declaration != null
&& declaration.getContainingFile() != null
&& declaration.getContainingFile().isPhysical()
&& subTags.length > 0) {
final XmlElementDescriptor[] childElementDescriptors =
parentDescriptor.getElementsDescriptors(XmlTagImpl.this);
int subTagNum = -1;
for (final XmlElementDescriptor childElementDescriptor : childElementDescriptors) {
final String childElementName = childElementDescriptor.getName();
while (subTagNum < subTags.length - 1
&& subTags[subTagNum + 1].getName().equals(childElementName)) {
subTagNum++;
}
if (childElementName.equals(
XmlChildRole.START_TAG_NAME_FINDER.findChild(myChild).getText())) {
// insert child just after anchor
// insert into the position specified by index
if (subTagNum >= 0) {
final ASTNode subTag = (ASTNode) subTags[subTagNum];
if (subTag.getTreeParent() != XmlTagImpl.this) {
// in entity
final XmlEntityRef entityRef =
PsiTreeUtil.getParentOfType(subTags[subTagNum], XmlEntityRef.class);
throw new IncorrectOperationException(
"Can't insert subtag to the entity. Entity reference text: "
+ (entityRef == null ? "" : entityRef.getText()));
}
myNewElement =
XmlTagImpl.super.addInternal(myChild, myChild, subTag, Boolean.FALSE);
} else {
final ASTNode child = XmlChildRole.START_TAG_END_FINDER.findChild(XmlTagImpl.this);
myNewElement = XmlTagImpl.super.addInternal(myChild, myChild, child, Boolean.FALSE);
}
return null;
}
}
} else {
final ASTNode child = XmlChildRole.CLOSING_TAG_START_FINDER.findChild(XmlTagImpl.this);
myNewElement = XmlTagImpl.super.addInternal(myChild, myChild, child, Boolean.TRUE);
return null;
}
}
myNewElement = XmlTagImpl.super.addInternal(myChild, myChild, anchor, Boolean.TRUE);
return null;
}
private ASTNode expandTag() throws IncorrectOperationException {
ASTNode endTagStart = XmlChildRole.CLOSING_TAG_START_FINDER.findChild(this);
if (endTagStart == null) {
final XmlTagImpl tagFromText =
(XmlTagImpl)
XmlElementFactory.getInstance(getProject())
.createTagFromText("<" + getName() + "></" + getName() + ">");
final ASTNode startTagStart = XmlChildRole.START_TAG_END_FINDER.findChild(tagFromText);
endTagStart = XmlChildRole.CLOSING_TAG_START_FINDER.findChild(tagFromText);
final LeafElement emptyTagEnd =
(LeafElement) XmlChildRole.EMPTY_TAG_END_FINDER.findChild(this);
if (emptyTagEnd != null) removeChild(emptyTagEnd);
addChildren(startTagStart, null, null);
}
return endTagStart;
}
public PomModelEvent runInner() {
final String value = ((XmlAttribute) myChild).getValue();
final String name = ((XmlAttribute) myChild).getName();
if (myAnchor == null) {
ASTNode startTagEnd = XmlChildRole.START_TAG_END_FINDER.findChild(XmlTagImpl.this);
if (startTagEnd == null)
startTagEnd = XmlChildRole.EMPTY_TAG_END_FINDER.findChild(XmlTagImpl.this);
if (startTagEnd == null) {
ASTNode anchor = getLastChildNode();
while (anchor instanceof PsiWhiteSpace) {
anchor = anchor.getTreePrev();
}
if (anchor instanceof PsiErrorElement) {
final LeafElement token =
Factory.createSingleLeafElement(
XmlTokenType.XML_EMPTY_ELEMENT_END,
"/>",
0,
2,
SharedImplUtil.findCharTableByTree(anchor),
getManager());
replaceChild(anchor, token);
startTagEnd = token;
}
}
if (startTagEnd == null) {
ASTNode anchor = XmlChildRole.START_TAG_NAME_FINDER.findChild(XmlTagImpl.this);
myFirstInserted = XmlTagImpl.super.addInternal(myChild, myChild, anchor, Boolean.FALSE);
} else {
myFirstInserted =
XmlTagImpl.super.addInternal(myChild, myChild, startTagEnd, Boolean.TRUE);
}
} else {
myFirstInserted =
XmlTagImpl.super.addInternal(myChild, myChild, myAnchor, Boolean.valueOf(myBefore));
}
return XmlAttributeSetImpl.createXmlAttributeSet(myModel, XmlTagImpl.this, name, value);
}
