public void doSave(Widget frmModel, JXPathContext jctx) throws BindingException {
// (See comment in doLoad about type checking and throwing a meaningful exception.)
Repeater repeater = (Repeater) selectWidget(frmModel, this.repeaterId);
// Perform shortcut binding if the repeater is empty
// and the deleteIfEmpty config option is selected.
if (repeater.getSize() == 0 && this.deleteIfEmpty) {
// Delete all of the old data for this repeater.
jctx.removeAll(this.repeaterPath);
// Otherwise perform the normal save binding.
} else {
// Narrow to the repeater context, creating the path if it did not exist.
JXPathContext repeaterContext = jctx.getRelativeContext(jctx.createPath(this.repeaterPath));
// Start by deleting all of the old row data.
repeaterContext.removeAll(this.rowPath);
// Verify that repeater is not empty and has an insert row binding.
if (repeater.getSize() > 0) {
if (this.insertRowBinding != null) {
// register the factory!
// this.insertRowBinding.saveFormToModel(repeater, repeaterContext);
// Iterate through the repeater rows.
for (int i = 0; i < repeater.getSize(); i++) {
// Narrow to the repeater row context.
Pointer rowPointer = repeaterContext.getPointer(this.rowPathInsert);
JXPathContext rowContext = repeaterContext.getRelativeContext(rowPointer);
// Variables used for virtual rows.
// They are initialized here just to keep the compiler happy.
Node rowNode = null;
Node virtualNode = null;
// If virtual rows are requested, create a temporary node and
// narrow the context to this initially empty new virtual row.
if (virtualRows) {
rowNode = (Node) rowContext.getContextBean();
Document document = rowNode.getOwnerDocument();
virtualNode = document.createElementNS(null, "virtual");
Node fakeDocElement = document.getDocumentElement().cloneNode(false);
fakeDocElement.appendChild(virtualNode);
rowContext = JXPathContext.newContext(repeaterContext, fakeDocElement);
rowContext = rowContext.getRelativeContext(rowContext.getPointer("virtual"));
}
// Perform the insert row binding
this.insertRowBinding.saveFormToModel(repeater, rowContext);
// Perform the save row binding.
this.rowBinding.saveFormToModel(repeater.getRow(i), rowContext);
// If virtual rows are requested, finish by appending the
// children of the virtual row to the real context node.
if (virtualRows) {
NodeList list = virtualNode.getChildNodes();
int count = list.getLength();
for (int j = 0; j < count; j++) {
// The list shrinks when a child is appended to the context
// node, so we always reference the first child in the list.
rowNode.appendChild(list.item(0));
}
}
getLogger().debug("bound new row");
}
} else {
getLogger()
.warn(
"TempRepeaterBinding has detected rows to insert, "
+ "but misses the <on-insert-row> binding to do it.");
}
}
}
}
