# Copyright (c) 2007-2021 Andy Maleh # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. require 'glimmer/dsl/expression' require 'glimmer/data_binding/model_binding' require 'glimmer/data_binding/tree_items_binding' module Glimmer module DSL module SWT class TreeItemsDataBindingExpression < Expression include_package 'org.eclipse.swt.widgets' def can_interpret?(parent, keyword, *args, &block) keyword == 'items' and block.nil? and parent.respond_to?(:swt_widget) and parent.swt_widget.is_a?(Tree) and args.size.between?(1, 2) # TODO delete these checks if they are too granular # return false unless initial_condition # raise Glimmer::Error, 'Tree items args must be 1 or 2' unless args.size.between?(1, 2) # raise Glimmer::Error, 'Tree items first arg must be a bind expression' unless args[0].is_a?(DataBinding::ModelBinding) # raise Glimmer::Error, 'Tree items data-binding initial value must not be an array yet a single item representing tree root' unless !args[0].evaluate_property.is_a?(Array) # raise Glimmer::Error, 'Tree items second arg must be an array' unless args[1].is_a?(Array) # raise Glimmer::Error, 'Tree items second arg must not be empty' unless !args[1].empty? # raise Glimmer::Error, 'Tree items second arg array elements must be of type hash' unless args[1].first.is_a?(Hash) # true end def interpret(parent, keyword, *args, &block) model_binding = args[0] tree_properties = args[1] DataBinding::TreeItemsBinding.new(parent, model_binding, tree_properties) end end end end end