Create a new collection of items with common attributes.

def mode_new_collection():
    """
    Create a new collection of items with common attributes.
    """

    print globals()['mode_new_collection'].__doc__
    collection_name = raw_input("Collection name: ")
    item_attr_list = []
    collection_node_id = None
    if collection_name:
        collection_node_id = insert_node(name=collection_name, value=None)
        insert_query(name='select_link_node_from_node.sql', node_id=collection_node_id)
        item_attr = True
        while item_attr:
            item_attr = raw_input("Add a collection item attribute name: ")
            if item_attr:
                item_attr_list.append(item_attr)

    # if no collection name then exit
    selection = collection_name

    while selection:
        selection = select([
            'Add item',
            ])
        if selection == 'Add item':
            # create item
            add_item_with_attributes_to_collection(
                    collection_name=collection_name,
                    collection_node_id=collection_node_id,
                    item_attr_list=item_attr_list)

    if collection_node_id:
        print "Added collection name '{0}' with node id: {1}".format(collection_name, collection_node_id)