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; }
public static void sendBeforeChildrenChangeEvent( @NotNull PsiManagerImpl manager, @NotNull PsiElement scope, boolean isGenericChange) { if (!scope.isPhysical()) { manager.beforeChange(false); return; } PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(manager); event.setParent(scope); event.setFile(scope.getContainingFile()); TextRange range = scope.getTextRange(); event.setOffset(range == null ? 0 : range.getStartOffset()); event.setOldLength(scope.getTextLength()); // the "generic" event is being sent on every PSI change. It does not carry any specific info // except the fact that "something has changed" event.setGenericChange(isGenericChange); manager.beforeChildrenChange(event); }