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Contents
require 'glimmer/data_binding/observable_array'
require 'glimmer/data_binding/observable_model'
require 'glimmer/data_binding/observable'
require 'glimmer/data_binding/observer'
require 'glimmer/swt/swt_proxy'
module Glimmer
module DataBinding
class TreeItemsBinding
include DataBinding::Observable
include DataBinding::Observer
include_package 'org.eclipse.swt'
include_package 'org.eclipse.swt.widgets'
def initialize(parent, model_binding, tree_properties)
@tree = parent
@model_binding = model_binding
@tree_properties = [tree_properties].flatten.first.to_h
call(@model_binding.evaluate_property)
model = model_binding.base_model
observe(model, model_binding.property_name_expression)
@tree.on_widget_disposed do |dispose_event|
unregister_all_observables
end
end
def call(model_tree_root_node=nil)
if model_tree_root_node and model_tree_root_node.respond_to?(@tree_properties[:children])
observe(model_tree_root_node, @tree_properties[:text])
observe(model_tree_root_node, @tree_properties[:children])
@model_tree_root_node = model_tree_root_node
end
populate_tree(@model_tree_root_node, @tree, @tree_properties)
end
def populate_tree(model_tree_root_node, parent, tree_properties)
parent.swt_widget.removeAll
populate_tree_node(model_tree_root_node, parent.swt_widget, tree_properties)
end
def populate_tree_node(model_tree_node, parent, tree_properties)
table_item = TreeItem.new(parent, SWT::SWTProxy[:none])
table_item.setText((model_tree_node && model_tree_node.send(tree_properties[:text])).to_s)
[model_tree_node && model_tree_node.send(tree_properties[:children])].flatten.to_a.compact.each do |child|
observe(child, @tree_properties[:text])
populate_tree_node(child, table_item, tree_properties)
end
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems