/** Move items from components to others. */
public static void moveItems(
UISelectMany sourceSelect,
UISelectItems sourceItems,
UISelectItems targetItems,
UIEditableList hiddenTargetList,
boolean setTargetIds) {
String[] selected = (String[]) sourceSelect.getSelectedValues();
if (selected == null) {
// nothing to do
return;
}
List<String> selectedList = Arrays.asList(selected);
SelectItem[] all = (SelectItem[]) sourceItems.getValue();
List<SelectItem> toMove = new ArrayList<SelectItem>();
List<SelectItem> toKeep = new ArrayList<SelectItem>();
List<String> hiddenIds = new ArrayList<String>();
if (all != null) {
for (SelectItem item : all) {
String itemId = item.getValue().toString();
if (selectedList.contains(itemId)) {
toMove.add(item);
} else {
toKeep.add(item);
if (!setTargetIds) {
hiddenIds.add(itemId);
}
}
}
}
// reset left values
sourceItems.setValue(toKeep.toArray(new SelectItem[] {}));
sourceSelect.setSelectedValues(new Object[0]);
// change right values
List<SelectItem> newSelectItems = new ArrayList<SelectItem>();
SelectItem[] oldSelectItems = (SelectItem[]) targetItems.getValue();
if (oldSelectItems == null) {
newSelectItems.addAll(toMove);
} else {
newSelectItems.addAll(Arrays.asList(oldSelectItems));
List<String> oldIds = new ArrayList<String>();
for (SelectItem oldItem : oldSelectItems) {
String id = oldItem.getValue().toString();
oldIds.add(id);
}
if (setTargetIds) {
hiddenIds.addAll(0, oldIds);
}
for (SelectItem toMoveItem : toMove) {
String id = toMoveItem.getValue().toString();
if (!oldIds.contains(id)) {
newSelectItems.add(toMoveItem);
if (setTargetIds) {
hiddenIds.add(id);
}
}
}
}
targetItems.setValue(newSelectItems.toArray(new SelectItem[] {}));
// update hidden values
int numValues = hiddenTargetList.getRowCount();
if (numValues > 0) {
for (int i = numValues - 1; i > -1; i--) {
hiddenTargetList.removeValue(i);
}
}
for (String newHiddenValue : hiddenIds) {
hiddenTargetList.addValue(newHiddenValue);
}
}
