Sha256: 4151a974d49b573bf506120d6268ffff6883f4cfcb6477f6d63ec80528f75ff7
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Versions: 8
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Stored size: 1.85 KB
Contents
require File.dirname(__FILE__) + "/observable_array"
require File.dirname(__FILE__) + "/observable_model"
require File.dirname(__FILE__) + "/observer"
class TreeItemsBinding
include 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
update(@model_binding.evaluate_property)
model = model_binding.base_model
model.extend(ObservableModel) unless model.is_a?(ObservableModel)
model.add_observer(model_binding.property_name_expression, self)
end
def update(model_tree_root_node=nil)
if model_tree_root_node and model_tree_root_node.respond_to?(@tree_properties[:children])
model_tree_root_node.extend(ObservableModel) unless model_tree_root_node.is_a?(ObservableModel)
model_tree_root_node.add_observer(@tree_properties[:text], self)
model_tree_root_node.add_observer(@tree_properties[:children], self)
@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.widget.removeAll
populate_tree_node(model_tree_root_node, parent.widget, tree_properties)
end
def populate_tree_node(model_tree_node, parent, tree_properties)
table_item = TreeItem.new(parent, SWT::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|
child.extend(ObservableModel) unless child.is_a?(ObservableModel)
child.add_observer(@tree_properties[:text], self)
populate_tree_node(child, table_item, tree_properties)
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems