Performs the paste operation.
super.run();
final String data = (String) mClipboard.getContents(TextTransfer.getInstance());
if (data != null) {
IStructuredModel model = mEditor.getModelForEdit();
try {
IStructuredDocument sse_doc = mEditor.getStructuredDocument();
if (sse_doc != null) {
if (mUiNode.getDescriptor().hasChildren()) {
// This UI Node can have children. The new XML is
// inserted as the first child.
if (mUiNode.getUiChildren().size() > 0) {
// There's already at least one child, so insert right before it.
Node xml_node = mUiNode.getUiChildren().get(0).getXmlNode();
if (xml_node instanceof IndexedRegion) { // implies xml_node != null
IndexedRegion region = (IndexedRegion) xml_node;
sse_doc.replace(region.getStartOffset(), 0, data);
return; // we're done, no need to try the other cases
}
}
// If there's no first XML node child. Create one by
// inserting at the end of the *start* tag.
Node xml_node = mUiNode.getXmlNode();
if (xml_node instanceof NodeContainer) {
NodeContainer container = (NodeContainer) xml_node;
IStructuredDocumentRegion start_tag =
container.getStartStructuredDocumentRegion();
if (start_tag != null) {
sse_doc.replace(start_tag.getEndOffset(), 0, data);
return; // we're done, no need to try the other case
}
}
}
// This UI Node doesn't accept children. The new XML is inserted as the
// next sibling. This also serves as a fallback if all the previous
// attempts failed. However, this is not possible if the current node
// has for parent a document -- an XML document can only have one root,
// with no siblings.
if (!(mUiNode.getUiParent() instanceof UiDocumentNode)) {
Node xml_node = mUiNode.getXmlNode();
if (xml_node instanceof IndexedRegion) {
IndexedRegion region = (IndexedRegion) xml_node;
sse_doc.replace(region.getEndOffset(), 0, data);
}
}
}
} catch (BadLocationException e) {
AdtPlugin.log(e, "ParseAction failed for UI Node %2$s, content '%1$s'", //$NON-NLS-1$
mUiNode.getBreadcrumbTrailDescription(true), data);
} finally {
model.releaseFromEdit();
}
}
