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);
}
}
}
}
private TreeElement addInternal(TreeElement child, ASTNode anchor, boolean before)
throws IncorrectOperationException {
final PomModel model = PomManager.getModel(getProject());
if (anchor != null && child.getElementType() == XmlElementType.XML_TEXT) {
XmlText psi = null;
if (anchor.getPsi() instanceof XmlText) {
psi = (XmlText) anchor.getPsi();
} else {
final ASTNode other = before ? anchor.getTreePrev() : anchor.getTreeNext();
if (other != null && other.getPsi() instanceof XmlText) {
before = !before;
psi = (XmlText) other.getPsi();
}
}
if (psi != null) {
if (before) {
psi.insertText(((XmlText) child.getPsi()).getValue(), 0);
} else {
psi.insertText(((XmlText) child.getPsi()).getValue(), psi.getValue().length());
}
return (TreeElement) psi.getNode();
}
}
LOG.assertTrue(child.getPsi() instanceof XmlAttribute || child.getPsi() instanceof XmlTagChild);
final InsertTransaction transaction;
if (child.getElementType() == XmlElementType.XML_ATTRIBUTE) {
transaction = new InsertAttributeTransaction(child, anchor, before, model);
} else if (anchor == null) {
transaction = getBodyInsertTransaction(child);
} else {
transaction = new GenericInsertTransaction(child, anchor, before);
}
model.runTransaction(transaction);
return transaction.getFirstInserted();
}
public DomManagerImpl(
Project project,
SemService semService,
ConverterManager converterManager,
DomApplicationComponent appComponent) {
myProject = project;
mySemService = semService;
myConverterManager = converterManager;
myApplicationComponent = appComponent;
final PomModel pomModel = PomManager.getModel(project);
pomModel.addModelListener(
new PomModelListener() {
public void modelChanged(PomModelEvent event) {
if (myChanging) return;
final XmlChangeSet changeSet =
(XmlChangeSet) event.getChangeSet(pomModel.getModelAspect(XmlAspect.class));
if (changeSet != null) {
for (XmlFile file : changeSet.getChangedFiles()) {
DomFileElementImpl<DomElement> element = getCachedFileElement(file);
if (element != null) {
fireEvent(new DomEvent(element, false));
}
}
}
}
public boolean isAspectChangeInteresting(PomModelAspect aspect) {
return aspect instanceof XmlAspect;
}
},
project);
Runnable setupVfsListeners =
new Runnable() {
public void run() {
final VirtualFileAdapter listener =
new VirtualFileAdapter() {
private final List<DomEvent> myDeletionEvents = new SmartList<DomEvent>();
public void contentsChanged(VirtualFileEvent event) {
if (event.isFromSave()) return;
processVfsChange(event.getFile());
}
public void fileCreated(VirtualFileEvent event) {
processVfsChange(event.getFile());
}
public void beforeFileDeletion(final VirtualFileEvent event) {
if (!myProject.isDisposed()) {
beforeFileDeletion(event.getFile());
}
}
private void beforeFileDeletion(final VirtualFile file) {
if (file.isDirectory() && file instanceof NewVirtualFile) {
for (final VirtualFile child : ((NewVirtualFile) file).getCachedChildren()) {
beforeFileDeletion(child);
}
return;
}
if (file.isValid() && StdFileTypes.XML.equals(file.getFileType())) {
final PsiFile psiFile = getCachedPsiFile(file);
if (psiFile instanceof XmlFile) {
Collections.addAll(
myDeletionEvents, recomputeFileElement((XmlFile) psiFile));
}
}
}
public void fileDeleted(VirtualFileEvent event) {
if (!myDeletionEvents.isEmpty()) {
if (!myProject.isDisposed()) {
for (DomEvent domEvent : myDeletionEvents) {
fireEvent(domEvent);
}
}
myDeletionEvents.clear();
}
}
public void propertyChanged(VirtualFilePropertyEvent event) {
final VirtualFile file = event.getFile();
if (!file.isDirectory()
&& VirtualFile.PROP_NAME.equals(event.getPropertyName())) {
processVfsChange(file);
}
}
};
VirtualFileManager.getInstance().addVirtualFileListener(listener, myProject);
}
};
StartupManager startupManager = StartupManager.getInstance(project);
if (!((StartupManagerEx) startupManager).startupActivityPassed()) {
startupManager.registerStartupActivity(setupVfsListeners);
} else {
setupVfsListeners.run();
}
}