MyNewDataEvent.m
e10c22efd725TekRSA-Freq-vs-Time

MyNewDataEvent.m
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			% Class for NewData events that are generated by MyDataSource and its
			% subclasses, including MyInstrument
			%
			% Note: traces must be passed by value in order to make sure that they
			% are not modified after being sent.

			classdef MyNewDataEvent < event.EventData

			properties (Access = public)

			% Cell array of trace objects
			traces = {}

			% A character string or cellstring containing optional tags
			% describing the traces
			trace_tags = {}
			end

			methods (Access = public)

			% Use parser to process properties supplied as name-value pairs via
			% varargin
			function this = MyNewDataEvent(varargin)
			p = inputParser();
			addParameter(p, 'traces', {});
			addParameter(p, 'trace_tags', {});
			parse(p, varargin{:})

			this.traces = p.Results.traces;
			this.trace_tags = p.Results.trace_tags;
			end
			end

			methods
			function set.traces(this, val)
			assert(isa(val, 'MyTrace') \|\| (iscell(val) && ...
			all(cellfun(@(x)isa(x, 'MyTrace'), val))), ...
			['''traces'' must be a derivative of MyTrace or a ' ...
			'cell array of such.'])

			if isa(val, 'MyTrace')

			% A single trace can be given directly, it is
			% wrapped in a cell for uniformity
			val = {val};
			end

			this.traces = val;
			end

			function set.trace_tags(this, val)
			assert(ischar(val) \|\| iscellstr(val), ['The value ' ...
			'assigned to ''trace_tags'' must be a character string '...
			'or a cell of character strings.']) %#ok<ISCLSTR>

			if ischar(val)

			% A single tag can be given as character string, it is
			% converted to cell array for uniformity
			val = {val};
			end

			this.trace_tags = val;
			end
			end
			end