public static void doActualPsiChange(@NotNull final PsiFile file, final DiffLog diffLog) {
file.getViewProvider().beforeContentsSynchronized();
try {
final Document document = file.getViewProvider().getDocument();
PsiDocumentManagerImpl documentManager =
(PsiDocumentManagerImpl) PsiDocumentManager.getInstance(file.getProject());
PsiToDocumentSynchronizer.DocumentChangeTransaction transaction =
documentManager.getSynchronizer().getTransaction(document);
final PsiFileImpl fileImpl = (PsiFileImpl) file;
if (transaction == null) {
final PomModel model = PomManager.getModel(fileImpl.getProject());
model.runTransaction(
new PomTransactionBase(fileImpl, model.getModelAspect(TreeAspect.class)) {
@Override
public PomModelEvent runInner() {
return new TreeAspectEvent(model, diffLog.performActualPsiChange(file));
}
});
} else {
diffLog.performActualPsiChange(file);
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
public PsiElement setName(@NotNull final String name) throws IncorrectOperationException {
final PomModel model = PomManager.getModel(getProject());
final XmlAspect aspect = model.getModelAspect(XmlAspect.class);
model.runTransaction(
new PomTransactionBase(this, aspect) {
public PomModelEvent runInner() throws IncorrectOperationException {
final String oldName = getName();
final XmlTagImpl dummyTag =
(XmlTagImpl)
XmlElementFactory.getInstance(getProject())
.createTagFromText(XmlTagUtil.composeTagText(name, "aa"));
final XmlTagImpl tag = XmlTagImpl.this;
final CharTable charTableByTree = SharedImplUtil.findCharTableByTree(tag);
ASTNode child = XmlChildRole.START_TAG_NAME_FINDER.findChild(tag);
LOG.assertTrue(child != null, "It seems '" + name + "' is not a valid tag name");
TreeElement tagElement =
(TreeElement) XmlChildRole.START_TAG_NAME_FINDER.findChild(dummyTag);
LOG.assertTrue(tagElement != null, "What's wrong with it? '" + name + "'");
tag.replaceChild(child, ChangeUtil.copyElement(tagElement, charTableByTree));
final ASTNode childByRole = XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(tag);
if (childByRole != null) {
final TreeElement treeElement =
(TreeElement) XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(dummyTag);
if (treeElement != null) {
tag.replaceChild(childByRole, ChangeUtil.copyElement(treeElement, charTableByTree));
}
}
return XmlTagNameChangedImpl.createXmlTagNameChanged(model, tag, oldName);
}
});
return this;
}
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 void deleteChildInternal(@NotNull final ASTNode child) {
final PomModel model = PomManager.getModel(getProject());
final XmlAspect aspect = model.getModelAspect(XmlAspect.class);
try {
model.runTransaction(
new PomTransactionBase(this, aspect) {
public PomModelEvent runInner() {
XmlDocumentImpl.super.deleteChildInternal(child);
return XmlDocumentChangedImpl.createXmlDocumentChanged(model, XmlDocumentImpl.this);
}
});
} catch (IncorrectOperationException ignored) {
}
}
public TreeElement addInternal(
final TreeElement first, final ASTNode last, final ASTNode anchor, final Boolean before) {
final PomModel model = PomManager.getModel(getProject());
final XmlAspect aspect = model.getModelAspect(XmlAspect.class);
final TreeElement[] holder = new TreeElement[1];
try {
model.runTransaction(
new PomTransactionBase(this, aspect) {
public PomModelEvent runInner() {
holder[0] = XmlDocumentImpl.super.addInternal(first, last, anchor, before);
return XmlDocumentChangedImpl.createXmlDocumentChanged(model, XmlDocumentImpl.this);
}
});
} catch (IncorrectOperationException ignored) {
}
return holder[0];
}
public void deleteChildInternal(@NotNull final ASTNode child) {
final PomModel model = PomManager.getModel(getProject());
final XmlAspect aspect = model.getModelAspect(XmlAspect.class);
if (child.getElementType() == XmlElementType.XML_ATTRIBUTE) {
try {
model.runTransaction(
new PomTransactionBase(this, aspect) {
public PomModelEvent runInner() {
final String name = ((XmlAttribute) child).getName();
XmlTagImpl.super.deleteChildInternal(child);
return XmlAttributeSetImpl.createXmlAttributeSet(
model, XmlTagImpl.this, name, null);
}
});
} catch (IncorrectOperationException e) {
LOG.error(e);
}
} else {
final ASTNode treePrev = child.getTreePrev();
final ASTNode treeNext = child.getTreeNext();
XmlTagImpl.super.deleteChildInternal(child);
if (treePrev != null
&& treeNext != null
&& treePrev.getElementType() == XmlElementType.XML_TEXT
&& treeNext.getElementType() == XmlElementType.XML_TEXT) {
final XmlText prevText = (XmlText) treePrev.getPsi();
final XmlText nextText = (XmlText) treeNext.getPsi();
try {
prevText.setValue(prevText.getValue() + nextText.getValue());
nextText.delete();
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
}
}