Examples with XmlTextChangedImpl com.intellij.pom.xml.impl.events.XmlTextChangedImpl used on opensource projects

Example 1 with XmlTextChangedImpl

use of com.intellij.pom.xml.impl.events.XmlTextChangedImpl in project intellij-community by JetBrains.

the class XmlTextImpl method _splitText.

@Nullable
private XmlText _splitText(final int displayOffset) throws IncorrectOperationException {
    final XmlTag xmlTag = (XmlTag) getParent();
    if (displayOffset == 0)
        return this;
    final int length = getValue().length();
    if (displayOffset >= length) {
        return null;
    }
    final PomModel model = PomManager.getModel(xmlTag.getProject());
    final XmlAspect aspect = model.getModelAspect(XmlAspect.class);
    class MyTransaction extends PomTransactionBase {

        private XmlTextImpl myRight;

        MyTransaction() {
            super(xmlTag, aspect);
        }

        @Override
        @Nullable
        public PomModelEvent runInner() throws IncorrectOperationException {
            final String oldText = getValue();
            final int physicalOffset = displayToPhysical(displayOffset);
            PsiElement childElement = findElementAt(physicalOffset);
            if (childElement != null && childElement.getNode().getElementType() == XmlTokenType.XML_DATA_CHARACTERS) {
                FileElement holder = DummyHolderFactory.createHolder(getManager(), null).getTreeElement();
                int splitOffset = physicalOffset - childElement.getStartOffsetInParent();
                myRight = (XmlTextImpl) ASTFactory.composite(XmlElementType.XML_TEXT);
                CodeEditUtil.setNodeGenerated(myRight, true);
                holder.rawAddChildren(myRight);
                PsiElement e = childElement;
                while (e != null) {
                    CodeEditUtil.setNodeGenerated(e.getNode(), true);
                    e = e.getNextSibling();
                }
                String leftText = childElement.getText().substring(0, splitOffset);
                String rightText = childElement.getText().substring(splitOffset);
                LeafElement rightElement = ASTFactory.leaf(XmlTokenType.XML_DATA_CHARACTERS, holder.getCharTable().intern(rightText));
                CodeEditUtil.setNodeGenerated(rightElement, true);
                LeafElement leftElement = ASTFactory.leaf(XmlTokenType.XML_DATA_CHARACTERS, holder.getCharTable().intern(leftText));
                CodeEditUtil.setNodeGenerated(leftElement, true);
                rawInsertAfterMe(myRight);
                myRight.rawAddChildren(rightElement);
                if (childElement.getNextSibling() != null) {
                    myRight.rawAddChildren((TreeElement) childElement.getNextSibling());
                }
                ((TreeElement) childElement).rawRemove();
                XmlTextImpl.this.rawAddChildren(leftElement);
            } else {
                final PsiFile containingFile = xmlTag.getContainingFile();
                final FileElement holder = DummyHolderFactory.createHolder(containingFile.getManager(), null, ((PsiFileImpl) containingFile).getTreeElement().getCharTable()).getTreeElement();
                final XmlTextImpl rightText = (XmlTextImpl) ASTFactory.composite(XmlElementType.XML_TEXT);
                CodeEditUtil.setNodeGenerated(rightText, true);
                holder.rawAddChildren(rightText);
                ((ASTNode) xmlTag).addChild(rightText, getTreeNext());
                final String value = getValue();
                setValue(value.substring(0, displayOffset));
                rightText.setValue(value.substring(displayOffset));
                CodeEditUtil.setNodeGenerated(rightText, true);
                myRight = rightText;
            }
            clearCaches();
            myRight.clearCaches();
            return createEvent(new XmlTextChangedImpl(XmlTextImpl.this, oldText), new XmlTagChildAddImpl(xmlTag, myRight));
        }

        public XmlText getResult() {
            return myRight;
        }
    }
    final MyTransaction transaction = new MyTransaction();
    model.runTransaction(transaction);
    return transaction.getResult();
}