Diffusion Instrument Control (TekRSA-Freq-vs-Time) Browse

MyDaq.m
86dd8ebd4520TekRSA-Freq-vs-Time

MyDaq.m
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			% Acquisition and analysis program that receives data from Collector. Can
			% also be used for analysis of previously acquired traces.
			classdef MyDaq < handle
			properties
			%Global variable with Daq name is cleared on exit.
			global_name
			%Contains GUI handles
			Gui
			%Contains Reference trace (MyTrace object)
			Ref
			%Contains Data trace (MyTrace object)
			Data
			%Contains Background trace (MyTrace object)
			Background

			%List of all the programs with run files
			ProgramList=struct()
			%Struct containing Cursor objects
			Cursors=struct()
			%Struct containing Cursor labels
			CrsLabels=struct()
			%Struct containing MyFit objects
			Fits=struct()
			%Input parser for class constructor
			ConstructionParser
			%Struct for listeners
			Listeners=struct()

			%Sets the colors of fits, data and reference
			fit_color='k'
			data_color='b'
			ref_color='r'
			bg_color='c'

			default_ext='.txt' % default data file extension
			end

			properties (Dependent=true)
			save_dir
			main_plot
			open_fits
			open_crs
			end

			properties (Dependent=true, SetAccess=private, GetAccess=public)
			%Properties for saving files
			base_dir
			session_name
			filename % File name is always returned with extension
			end

			methods (Access=public)
			%% Class functions
			%Constructor function
			function this=MyDaq(varargin)
			% Parse inputs
			p=inputParser;
			addParameter(p,'global_name','',@ischar);
			addParameter(p,'collector_handle',[]);
			this.ConstructionParser=p;
			parse(p, varargin{:});

			this.global_name = p.Results.global_name;

			%Sets a listener to the collector
			if ~isempty(p.Results.collector_handle)
			this.Listeners.Collector.NewDataWithHeaders=...
			addlistener(p.Results.collector_handle,...
			'NewDataWithHeaders',...
			@(~,eventdata) acquireNewData(this,eventdata));
			else
			errordlg(['No collector handle was supplied. ',...
			'DAQ will be unable to acquire data'],...
			'Error: No collector');
			end

			% Initialize traces
			this.Ref=MyTrace();
			this.Data=MyTrace();
			this.Background=MyTrace();

			%The list of instruments is automatically populated from the
			%run files
			this.ProgramList = readRunFiles();

			%We grab the guihandles from a GUI made in Guide.
			this.Gui=guihandles(eval('GuiDaq'));
			%This function sets all the callbacks for the GUI. If a new
			%button is made, the associated callback must be put in the
			%initGui function
			initGui(this);
			% Initialize the menu based on the available run files
			content = menuFromRunFiles(this.ProgramList,...
			'show_in_daq',true);
			set(this.Gui.InstrMenu,'String',[{'Select the application'};...
			content.titles]);
			% Add a property to the menu for storing the program file
			% names
			if ~isprop(this.Gui.InstrMenu, 'ItemsData')
			addprop(this.Gui.InstrMenu, 'ItemsData');
			end
			set(this.Gui.InstrMenu,'ItemsData',[{''};...
			content.tags]);

			% Add Data, Ref and Bg traces in the proper order on the plot
			% as empty lines.
			hold(this.main_plot,'on');
			this.Background.hlines{1}=line(this.main_plot, ...
			'XData',[],'YData',[],'Color',this.bg_color);
			this.Ref.hlines{1}=line(this.main_plot, ...
			'XData',[],'YData',[],'Color',this.ref_color);
			this.Data.hlines{1}=line(this.main_plot, ...
			'XData',[],'YData',[],'Color',this.data_color);

			%Initializes saving locations
			this.base_dir=getLocalSettings('measurement_base_dir');
			this.session_name='placeholder';
			this.filename='placeholder';
			end

			function delete(this)
			%Deletes the MyFit objects and their listeners
			cellfun(@(x) deleteListeners(this,x), this.open_fits);
			structfun(@(x) delete(x), this.Fits);

			%Deletes other listeners
			if ~isempty(fieldnames(this.Listeners))
			cellfun(@(x) deleteListeners(this, x),...
			fieldnames(this.Listeners));
			end

			% clear global variable, to which Daq handle is assigned
			evalin('base', sprintf('clear(''%s'')', this.global_name));

			%A class destructor should never through errors, so enclose the
			%attempt to close figure into try-catch structure
			try
			this.Gui.figure1.CloseRequestFcn='';
			%Deletes the figure
			delete(this.Gui.figure1);
			%Removes the figure handle to prevent memory leaks
			this.Gui=[];
			catch
			end
			end
			end

			methods (Access=private)

			%Sets callback functions for the GUI
			initGui(this)

			%Executes when the GUI is closed
			function closeFigure(this,~,~)
			delete(this);
			end

			%Updates fits
			function updateFits(this)
			%Pushes data into fits in the form of MyTrace objects, so that
			%units etc follow. Also updates user supplied parameters.
			for i=1:length(this.open_fits)
			switch this.open_fits{i}
			case {'Linear','Quadratic','Gaussian',...
			'Exponential','Beta'}
			this.Fits.(this.open_fits{i}).Data=...
			getFitData(this,'VertData');
			case {'Lorentzian','DoubleLorentzian'}
			this.Fits.(this.open_fits{i}).Data=...
			getFitData(this,'VertData');
			%Here we push the information about line spacing
			%into the fit object if the reference cursors are
			%open. Only for Lorentzian fits.
			if isfield(this.Cursors,'VertRef')
			ind=findCursorData(this,'Data','VertRef');
			this.Fits.(this.open_fits{i}).CalVals.line_spacing=...
			range(this.Data.x(ind));
			end
			case {'G0'}
			this.Fits.G0.MechTrace=getFitData(this,'VertData');
			this.Fits.G0.CalTrace=getFitData(this,'VertRef');
			end
			end
			end

			% If vertical cursors are on, takes only data within cursors. If
			%the cursor is not open, it takes all the data from the selected
			%trace in the analysis trace selection dropdown
			function Trace=getFitData(this,varargin)
			%Parses varargin input
			p=inputParser;
			addOptional(p,'name','',@ischar);
			parse(p,varargin{:})
			name=p.Results.name;

			%Finds out which trace the user wants to fit.
			trc_opts=this.Gui.SelTrace.String;
			trc_str=trc_opts{this.Gui.SelTrace.Value};
			% Note the use of copy here! This is a handle
			%class, so if normal assignment is used, this.Fits.Data and
			%this.(trace_str) will refer to the same object, causing roblems.
			%Name input is the name of the cursor to be used to extract data.
			Trace=copy(this.(trc_str));
			%If the cursor is open for the trace we are analyzing, we take
			%only the data enclosed by the cursor.
			if isfield(this.Cursors,name)
			ind=findCursorData(this, trc_str, name);
			Trace.x=this.(trc_str).x(ind);
			Trace.y=this.(trc_str).y(ind);
			end
			end

			%Finds data between named cursors in the given trace
			function ind=findCursorData(this, trc_str, name)
			crs_pos=sort([this.Cursors.(name){1}.Location,...
			this.Cursors.(name){2}.Location]);
			ind=(this.(trc_str).x>crs_pos(1) & this.(trc_str).x<crs_pos(2));
			end

			%Creates either horizontal or vertical cursors
			function createCursors(this,name,type)
			%Checks that the cursors are of valid type
			assert(strcmp(type,'Horz') \|\| strcmp(type,'Vert'),...
			'Cursorbars must be vertical or horizontal.');

			%Sets the correct color for the cursor
			switch name
			case 'HorzData'
			color=[0,0,1];
			crs_type='Horizontal';
			case 'VertData'
			color=[1,0,0];
			crs_type='Vertical';
			case 'VertRef'
			color=[0.5,0,0.5];
			crs_type='Vertical';
			end

			%Creates first cursor
			this.Cursors.(name){1}=cursorbar(this.main_plot,...
			'TargetMarkerStyle','none',...
			'ShowText','off','CursorLineWidth',0.5,...
			'Orientation',crs_type,'Tag',sprintf('%s1',name));
			%Creates second cursor by duplicating the first.
			this.Cursors.(name){2}=this.Cursors.(name){1}.duplicate;
			set(this.Cursors.(name){2},'Tag',sprintf('%s2',name))
			%Sets the cursor colors
			cellfun(@(x) setCursorColor(x, color),this.Cursors.(name));
			%Makes labels for the cursors
			labelCursors(this,name,type,color);
			%We add some listeners to the cursors, which update the labels
			%when they are moved and so on.
			addCursorListeners(this,name,type);
			%We call the update function so that the labels are set
			%correctly.
			cellfun(@(x) notify(x, 'UpdateCursorBar'), this.Cursors.(name));
			end

			%Labels cursors of a certain type and color
			function labelCursors(this, name, type, color)
			switch name
			case {'VertData', 'HorzData'}
			lbl_str=name(1);
			case {'VertRef'}
			lbl_str='R';
			end
			%Creates text boxes in a placeholder position
			this.CrsLabels.(name)=cellfun(@(x) text(0,0,...
			[lbl_str,x.Tag(end)]),this.Cursors.(name),...
			'UniformOutput',0);
			%Sets colors and properties on the labels.
			cellfun(@(x) set(x,'Color',color,'EdgeColor',color,...
			'FontWeight','bold','FontSize',10,...
			'HorizontalAlignment','center',...
			'VerticalAlignment','middle'), this.CrsLabels.(name));
			positionCursorLabels(this, name, type);
			end

			%Resets the position of the labels
			function positionCursorLabels(this, name, type)
			switch type
			case {'Horz','horizontal'}
			%To set the offset off the side of the axes
			xlim=get(this.main_plot,'XLim');
			%Empirically determined nice point for labels
			scale=1.03;
			if this.Gui.LogX.Value
			scale_log=((10^scale)/10)^(log10(xlim(2)/xlim(1)));
			xloc=scale_logxlim(2)-(scale_log-1)xlim(1);
			else
			xloc=scalexlim(2)-(scale-1)xlim(1);
			end
			%Sets the position of the cursor labels
			cellfun(@(x,y) set(x, 'Position',...
			[xloc,y.Location,0]),...
			this.CrsLabels.(name),this.Cursors.(name));

			case {'Vert','vertical'}
			%To set the offset off the top of the axes
			ylim=get(this.main_plot,'YLim');
			%Empirically determined nice point for labels
			scale=1.05;
			if this.Gui.LogY.Value
			scale_log=((10^scale)/10)^(log10(ylim(2)/ylim(1)));
			yloc=scale_logylim(2)-(scale_log-1)ylim(1);
			else
			yloc=scaleylim(2)-(scale-1)ylim(1);
			end
			%Sets the position of the cursor labels
			cellfun(@(x,y) set(x, 'Position',...
			[y.Location,yloc,0]),...
			this.CrsLabels.(name),this.Cursors.(name));
			end
			%Setting the position causes the line to update
			cellfun(@(x) set(x, 'Location', x.Location),...
			this.Cursors.(name));
			end

			%Adds listeners for cursors
			function addCursorListeners(this,name,type)
			switch type
			case {'Horz','horizontal'}
			%Sets the update function of the cursor to move the
			%label.
			this.Listeners.(name).Update=cellfun(@(x) ...
			addlistener(x,'UpdateCursorBar',...
			@(src, ~) horzCursorUpdate(this, src)),...
			this.Cursors.(name),'UniformOutput',0);
			case {'Vert','vertical'}
			%Sets the update function of the cursors to move the
			%text
			this.Listeners.(name).Update=cellfun(@(x) ...
			addlistener(x,'UpdateCursorBar',...
			@(src, ~) vertCursorUpdate(this, src)),...
			this.Cursors.(name),'UniformOutput',0);
			%Sets the update function for end drag to update the
			%data in the fit objects
			this.Listeners.(name).EndDrag=cellfun(@(x) ...
			addlistener(x,'EndDrag',...
			@(~,~) updateFits(this)),this.Cursors.(name),...
			'UniformOutput',0);
			end
			end

			%Updates the cursors to fill the axes. Basically if the axes are
			%resized the cursors will only fill part/more of the axes than what
			%you see.
			function updateCursors(this)
			for i=1:length(this.open_crs)
			type=this.Cursors.(this.open_crs{i}){1}.Orientation;
			name=this.open_crs{i};
			switch type
			case 'vertical'
			cellfun(@(x) set(x.TopHandle, 'YData',...
			this.main_plot.YLim(2)), this.Cursors.(name));
			cellfun(@(x) set(x.BottomHandle, 'YData',...
			this.main_plot.YLim(1)), this.Cursors.(name));
			case 'horizontal'
			cellfun(@(x) set(x.TopHandle, 'XData',...
			this.main_plot.XLim(2)), this.Cursors.(name));
			cellfun(@(x) set(x.BottomHandle, 'XData',...
			this.main_plot.XLim(1)), this.Cursors.(name));
			end
			%Updates the position of the cursor labels
			positionCursorLabels(this,name,type);
			end

			end

			%Deletes the cursors, their listeners and their labels.
			function deleteCursors(this, name)
			if contains(name,'Data')
			%Resets the edit boxes which contain cursor positions
			this.Gui.(sprintf('Edit%s1',name(1))).String='';
			this.Gui.(sprintf('Edit%s2',name(1))).String='';
			this.Gui.(sprintf('Edit%s2%s1',name(1),name(1))).String='';
			end
			%Deletes cursor listeners
			cellfun(@(x) deleteListeners(this,x.Tag), this.Cursors.(name));
			%Deletes the cursors themselves
			cellfun(@(x) delete(x), this.Cursors.(name));
			this.Cursors=rmfield(this.Cursors,name);
			%Deletes cursor labels
			cellfun(@(x) delete(x), this.CrsLabels.(name));
			this.CrsLabels=rmfield(this.CrsLabels,name);
			end

			function copyPlot(this)
			%Conditions sizes
			posn=this.main_plot.OuterPosition;
			posn=posn.*[1,1,0.82,1.1];
			%Creates a new figure, this is to avoid copying all the buttons
			%etc to the clipboard.
			newFig = figure('visible','off','Units',this.main_plot.Units,...
			'Position',posn);
			%Copies the current axes into the new figure.
			newHandle = copyobj(this.main_plot,newFig); %#ok<NASGU>
			%Prints the figure to the clipboard
			print(newFig,'-clipboard','-dbitmap');
			%Deletes the figure
			delete(newFig);
			end

			%Resets the axis to be tight around the plots.
			function updateAxis(this)
			axis(this.main_plot,'tight');
			end
			end

			methods (Access=public)
			%% Callbacks

			%Callback for copying the plot to clipboard
			function copyPlotCallback(this,~,~)
			copyPlot(this);
			end

			%Callback for centering cursors
			function centerCursorsCallback(this, ~, ~)
			if ~this.Gui.LogX.Value
			x_pos=mean(this.main_plot.XLim);
			else
			x_pos=10^(mean(log10(this.main_plot.XLim)));
			end

			if ~this.Gui.LogY.Value
			y_pos=mean(this.main_plot.YLim);
			else
			y_pos=10^(mean(log10(this.main_plot.YLim)));
			end

			for i=1:length(this.open_crs)
			switch this.Cursors.(this.open_crs{i}){1}.Orientation
			case 'horizontal'
			pos=y_pos;
			case 'vertical'
			pos=x_pos;
			end

			%Centers the position
			cellfun(@(x) set(x,'Location',pos), ...
			this.Cursors.(this.open_crs{i}));
			%Triggers the UpdateCursorBar event, which triggers
			%listener callback to reposition text
			cellfun(@(x) notify(x,'UpdateCursorBar'),...
			this.Cursors.(this.open_crs{i}));
			%Triggers the EndDrag event, updating the data in the fit
			%objects.
			cellfun(@(x) notify(x,'EndDrag'),...
			this.Cursors.(this.open_crs{i}));
			end
			end

			%Callback for creating vertical data cursors
			function cursorButtonCallback(this, hObject, ~)
			name=erase(hObject.Tag,'Button');
			%Gets the first four characters of the tag (Vert or Horz)
			type=name(1:4);

			%Changes the color of the button and appropriately creates or
			%deletes the cursors.
			if hObject.Value
			hObject.BackgroundColor=[0,1,0.2];
			createCursors(this,name,type);
			else
			hObject.BackgroundColor=[0.941,0.941,0.941];
			deleteCursors(this,name);
			end
			end

			%Callback for the instrument menu
			function instrMenuCallback(this,hObject,~)
			val=hObject.Value;
			if val==1
			%Returns if we are on the dummy option ('Select instrument')
			return
			else
			tag = hObject.ItemsData{val};
			end

			try
			eval(this.ProgramList.(tag).run_expr);
			catch
			errordlg(sprintf('An error occured while running %s',...
			this.ProgramList.(tag).name))
			end

			end

			%Select trace callback. If we change the trace being analyzed, the
			%fit objects are updated.
			function selTraceCallback(this, ~, ~)
			updateFits(this)
			end

			%Saves the data if the save data button is pressed.
			function saveCallback(this, src, ~)
			switch src.Tag
			case 'SaveData'
			saveTrace(this,'Data');
			case 'SaveRef'
			saveTrace(this,'Ref');
			end
			end

			function saveTrace(this, trace_tag, varargin)
			p=inputParser();
			% If file already exists, generate a uinique name rather than
			% show user the overwrite dialog.
			addParameter(p, 'make_unique_name', false, @islogical);
			parse(p,varargin{:});

			%Check if the trace is valid (i.e. x and y are equal length)
			%before saving
			if ~this.(trace_tag).validatePlot
			errordlg(sprintf('%s trace was empty, could not save',...
			trace_tag));
			return
			end

			fullfilename=fullfile(this.save_dir,this.filename);

			if p.Results.make_unique_name && exist(fullfilename, 'file')~=0
			fullfilename=makeUniqueFileName(this);
			end

			%Save in readable format using the method of MyTrace
			save(this.(trace_tag), fullfilename)
			end

			% Make the filename unique within the measurement folder
			% by appending _n. This function does not make sure that the
			% filename is valid - i.e. does not contain symbols forbidden by
			% the file system.
			function fullfilename=makeUniqueFileName(this)
			[~, fn, ext]=fileparts(this.filename);
			% List all the existing files in the measurement directory
			% that have the same extension as our filename
			DirCont=dir(fullfile(this.save_dir,['*', ext]));
			file_ind=~[DirCont.isdir];
			existing_fns={DirCont(file_ind).name};

			% Remove extensions
			[~,existing_fns,~]=cellfun(@fileparts, existing_fns, ...
			'UniformOutput',false);

			% Generate a new file name
			if ~isempty(fn)
			fn=matlab.lang.makeUniqueStrings(fn, existing_fns);
			else
			fn=matlab.lang.makeUniqueStrings('placeholder', ...
			existing_fns);
			end
			fullfilename=fullfile(this.save_dir,[fn, ext]);
			end

			%Toggle button callback for showing the data trace.
			function showDataCallback(this, hObject, ~)
			if hObject.Value
			hObject.BackgroundColor=[0,1,0.2];
			setVisible(this.Data,this.main_plot,1);
			updateAxis(this);
			else
			hObject.BackgroundColor=[0.941,0.941,0.941];
			setVisible(this.Data,this.main_plot,0);
			updateAxis(this);
			end
			end

			%Toggle button callback for showing the ref trace
			function showRefCallback(this, hObject, ~)
			if hObject.Value
			hObject.BackgroundColor=[0,1,0.2];
			setVisible(this.Ref,this.main_plot,1);
			updateAxis(this);
			else
			hObject.BackgroundColor=[0.941,0.941,0.941];
			setVisible(this.Ref,this.main_plot,0);
			updateAxis(this);
			end
			end

			%Callback for moving the data to reference.
			function dataToRefCallback(this, ~, ~)
			if this.Data.validatePlot
			% Copy Data to Reference and pass Reference the handle to
			% the line in the main plot
			hline=getLineHandle(this.Ref, this.main_plot);
			this.Ref=copy(this.Data);
			if ~isempty(hline)
			this.Ref.hlines{1}=hline;
			end
			%Plot the reference trace and make it visible
			plot(this.Ref, this.main_plot, 'Color',this.ref_color,...
			'make_labels',true);
			setVisible(this.Ref, this.main_plot,1);
			%Update the fit objects
			updateFits(this);
			%Change button color
			this.Gui.ShowRef.Value=1;
			this.Gui.ShowRef.BackgroundColor=[0,1,0.2];

			else
			warning('Data trace was empty, could not move to reference')
			end
			end

			%Callback for ref to bg button. Sends the reference to background
			function refToBgCallback(this, ~, ~)
			if this.Ref.validatePlot
			hline=getLineHandle(this.Background, this.main_plot);
			this.Background=copy(this.Ref);
			if ~isempty(hline)
			this.Background.hlines{1}=hline;
			end
			this.Background.plot(this.main_plot,...
			'Color',this.bg_color,'make_labels',true);
			this.Background.setVisible(this.main_plot,1);
			else
			warning('Reference trace was empty, could not move to background')
			end
			end

			%Callback for data to bg button. Sends the data to background
			function dataToBgCallback(this, ~, ~)
			if this.Data.validatePlot
			hline=getLineHandle(this.Background, this.main_plot);
			this.Background=copy(this.Data);
			if ~isempty(hline)
			this.Background.hlines{1}=hline;
			end
			this.Background.plot(this.main_plot,...
			'Color',this.bg_color,'make_labels',true);
			this.Background.setVisible(this.main_plot,1);
			else
			warning('Data trace was empty, could not move to background')
			end
			end

			%Callback for clear background button. Clears the background
			function clearBgCallback(this, ~, ~)
			this.Background.x=[];
			this.Background.y=[];
			this.Background.setVisible(this.main_plot,0);
			end

			%Callback for LogY button. Sets the YScale to log/lin
			function logYCallback(this, hObject, ~)
			if hObject.Value
			this.main_plot.YScale='Log';
			hObject.BackgroundColor=[0,1,0.2];
			else
			this.main_plot.YScale='Linear';
			hObject.BackgroundColor=[0.941,0.941,0.941];
			end
			updateAxis(this);
			updateCursors(this);
			end

			%Callback for LogX button. Sets the XScale to log/lin. Updates the
			%axis and cursors afterwards.
			function logXCallback(this, hObject, ~)
			if get(hObject,'Value')
			set(this.main_plot,'XScale','Log');
			set(hObject, 'BackgroundColor',[0,1,0.2]);
			else
			set(this.main_plot,'XScale','Linear');
			set(hObject, 'BackgroundColor',[0.941,0.941,0.941]);
			end
			updateAxis(this);
			updateCursors(this);
			end

			%Base directory callback. Sets the base directory. Also
			%updates fit objects with the new save directory.
			function baseDirCallback(this, ~, ~)
			for i=1:length(this.open_fits)
			this.Fits.(this.open_fits{i}).base_dir=this.base_dir;
			end
			end

			%Callback for session name edit box. Sets the session name. Also
			%updates fit objects with the new save directory.
			function sessionNameCallback(this, ~, ~)
			for i=1:length(this.open_fits)
			this.Fits.(this.open_fits{i}).session_name=this.session_name;
			end
			end

			%Callback for filename edit box. Sets the file name. Also
			%updates fit objects with the new file name.
			function fileNameCallback(this, ~,~)
			for i=1:length(this.open_fits)
			this.Fits.(this.open_fits{i}).filename=this.filename;
			end
			end

			%Callback for the analyze menu (popup menu for selecting fits).
			%Opens the correct MyFit object.
			function analyzeMenuCallback(this, hObject, ~)
			analyze_ind=hObject.Value;
			%Finds the correct fit name by erasing spaces and other
			%superfluous strings
			analyze_name=hObject.String{analyze_ind};
			analyze_name=erase(analyze_name,'Fit');
			analyze_name=erase(analyze_name,'Calibration');
			analyze_name=erase(analyze_name,' ');

			%Sets the correct tooltip
			hObject.TooltipString=sprintf(this.Gui.AnalyzeTip{analyze_ind}) ;

			%Opens the correct analysis tool
			switch analyze_name
			case {'Linear','Quadratic','Exponential',...
			'Lorentzian','Gaussian',...
			'DoubleLorentzian'}
			openMyFit(this,analyze_name);
			case 'g0'
			openMyG(this);
			case 'Beta'
			openMyBeta(this);
			end
			end

			function openMyFit(this,fit_name)
			%Sees if the MyFit object is already open, if it is, changes the
			%focus to it, if not, opens it.
			if ismember(fit_name,fieldnames(this.Fits))
			%Changes focus to the relevant fit window
			figure(this.Fits.(fit_name).Gui.Window);
			else
			%Gets the data for the fit using the getFitData function
			%with the vertical cursors
			DataTrace=getFitData(this,'VertData');
			%Makes an instance of MyFit with correct parameters.
			this.Fits.(fit_name)=MyFit(...
			'fit_name',fit_name,...
			'enable_plot',1,...
			'plot_handle',this.main_plot,...
			'Data',DataTrace,...
			'base_dir',this.base_dir,...
			'session_name',this.session_name,...
			'filename',this.filename);

			updateFits(this);
			%Sets up a listener for the Deletion event, which
			%removes the MyFit object from the Fits structure if it is
			%deleted.
			this.Listeners.(fit_name).Deletion=...
			addlistener(this.Fits.(fit_name),'ObjectBeingDestroyed',...
			@(src, eventdata) deleteFit(this, src, eventdata));

			%Sets up a listener for the NewFit. Callback plots the fit
			%on the main plot.
			this.Listeners.(fit_name).NewFit=...
			addlistener(this.Fits.(fit_name),'NewFit',...
			@(src, eventdata) plotNewFit(this, src, eventdata));

			%Sets up a listener for NewInitVal
			this.Listeners.(fit_name).NewInitVal=...
			addlistener(this.Fits.(fit_name),'NewInitVal',...
			@(~,~) updateCursors(this));
			end
			end

			%Opens MyG class if it is not open.
			function openMyG(this)
			if ismember('G0',this.open_fits)
			figure(this.Fits.G0.Gui.figure1);
			else
			%Populate the MyG class with the right data. We assume the
			%mechanics is in the Data trace.
			MechTrace=getFitData(this,'VertData');
			CalTrace=getFitData(this,'VertRef');
			this.Fits.G0=MyG('MechTrace',MechTrace,'CalTrace',CalTrace,...
			'name','G0');

			%Adds listener for object being destroyed
			this.Listeners.G0.Deletion=addlistener(this.Fits.G0,...
			'ObjectBeingDestroyed',...
			@(~,~) deleteObj(this,'G0'));
			end
			end

			%Opens MyBeta class if it is not open.
			function openMyBeta(this)
			if ismember('Beta', this.open_fits)
			figure(this.Fits.Beta.Gui.figure1);
			else
			DataTrace=getFitData(this);
			this.Fits.Beta=MyBeta('Data',DataTrace);

			%Adds listener for object being destroyed, to perform cleanup
			this.Listeners.Beta.Deletion=addlistener(this.Fits.Beta,...
			'ObjectBeingDestroyed',...
			@(~,~) deleteObj(this,'Beta'));
			end
			end

			%Callback for load data button
			function loadDataCallback(this, ~, ~)
			if isempty(this.base_dir)
			warning('Please input a valid folder name for loading a trace');
			this.base_dir=pwd;
			end

			[load_name,path_name]=uigetfile(this.default_ext, ...
			'Select the trace', this.base_dir);
			if load_name==0
			warning('No file was selected');
			return
			end

			load_path=[path_name,load_name];
			%Finds the destination trace from the GUI
			dest_trc=this.Gui.DestTrc.String{this.Gui.DestTrc.Value};

			%Get the line handle from the trace to not create a new line
			hline=getLineHandle(this.(dest_trc), this.main_plot);

			%Reset and load the destination trace
			this.(dest_trc)=MyTrace();
			load(this.(dest_trc), load_path);

			% Assign existing line handle to the trace
			if ~isempty(hline)
			this.(dest_trc).hlines{1}=hline;
			end

			%Color and plot the right trace.
			plot(this.(dest_trc), this.main_plot,...
			'Color',this.(sprintf('%s_color',lower(dest_trc))),...
			'make_labels',true);
			%Update axis and cursors
			updateAxis(this);
			updateCursors(this);
			end

			% Callback for open folder button
			function openFolderCallback(this, hObject, eventdata)
			dir=uigetdir(this.Gui.BaseDir.String);
			if ~isempty(dir)
			this.Gui.BaseDir.String=dir;
			end

			% Execute the same callback as if the base directory edit
			% field was manually updated
			baseDirCallback(this, hObject, eventdata);
			end
			end

			methods (Access=public)
			%% Listener functions
			%Callback function for NewFit listener. Plots the fit in the
			%window using the plotFit function of the MyFit object
			function plotNewFit(this, src, ~)
			src.plotFit('Color',this.fit_color);
			updateAxis(this);
			updateCursors(this);
			end

			%Callback function for the NewData listener
			function acquireNewData(this, EventData)
			%Get the currently selected instrument
			val=this.Gui.InstrMenu.Value;
			curr_instr_name=this.Gui.InstrMenu.ItemsData{val};

			%Check if the data originates from the currently selected
			%instrument
			if strcmp(EventData.src_name, curr_instr_name)
			hline=getLineHandle(this.Data,this.main_plot);
			%Copy the data from the source instrument
			this.Data=copy(EventData.Trace);
			%We give the new trace object the right line handle to plot in
			if ~isempty(hline)
			this.Data.hlines{1}=hline;
			end
			plot(this.Data, this.main_plot,...
			'Color',this.data_color,...
			'make_labels',true)
			updateAxis(this);
			updateCursors(this);
			updateFits(this);

			% If the save flag is on in EventData, save the new trace
			% making sure that a unique filename is generated to not
			% prompt the owerwrite dialog
			if isprop(EventData, 'save') && EventData.save
			if isprop(EventData, 'filename_ending')
			% If present, use the file name ending supplied
			% externally. By default filename_ending is empty.
			[~,fn,ext]=fileparts(this.filename);
			this.filename=[fn, EventData.filename_ending, ext];

			saveTrace(this, 'Data', 'make_unique_name', true);

			% Return the file name to its original value
			this.filename=[fn, ext];
			else
			saveTrace(this, 'Data', 'make_unique_name', true);
			end
			end
			end
			end

			%Callback function for MyFit ObjectBeingDestroyed listener.
			%Removes the relevant field from the Fits struct and deletes the
			%listeners from the object.
			function deleteFit(this, src, ~)
			%Deletes the object from the Fits struct and deletes listeners
			deleteObj(this,src.fit_name);

			%Clears the fits
			src.clearFit;

			%Updates cursors since the fits are removed from the plot
			updateCursors(this);
			end

			%Callback function for other analysis method deletion listeners.
			%Does the same as above.
			function deleteObj(this,name)
			if ismember(name,this.open_fits)
			this.Fits=rmfield(this.Fits,name);
			end
			deleteListeners(this, name);
			end

			%Listener update function for vertical cursor
			function vertCursorUpdate(this, src)
			%Finds the index of the cursor. All cursors are tagged
			%(name)1, (name)2, e.g. VertData2, ind is the number.
			ind=str2double(src.Tag(end));
			tag=src.Tag(1:(end-1));
			%Moves the cursor labels
			set(this.CrsLabels.(tag){ind},'Position',[src.Location,...
			this.CrsLabels.(tag){ind}.Position(2),0]);
			if strcmp(tag,'VertData')
			%Sets the edit box displaying the location of the cursor
			this.Gui.(sprintf('EditV%d',ind)).String=...
			num2str(src.Location);
			%Sets the edit box displaying the difference in locations
			this.Gui.EditV2V1.String=...
			num2str(this.Cursors.VertData{2}.Location-...
			this.Cursors.VertData{1}.Location);
			end
			end

			%Listener update function for horizontal cursor
			function horzCursorUpdate(this, src)
			%Finds the index of the cursor. All cursors are tagged
			%(name)1, (name)2, e.g. VertData2, ind is the number.
			ind=str2double(src.Tag(end));
			tag=src.Tag(1:(end-1));
			%Moves the cursor labels
			set(this.CrsLabels.(tag){ind},'Position',...
			[this.CrsLabels.(tag){ind}.Position(1),...
			src.Location,0]);
			if strcmp(tag,'HorzData')
			%Sets the edit box displaying the location of the cursor
			this.Gui.(sprintf('EditH%d',ind)).String=...
			num2str(src.Location);
			%Sets the edit box displaying the difference in locations
			this.Gui.EditH2H1.String=...
			num2str(this.Cursors.HorzData{2}.Location-...
			this.Cursors.HorzData{1}.Location);
			end
			end

			%Function that deletes listeners from the listeners struct,
			%corresponding to an object of name obj_name
			deleteListeners(this, obj_name);
			end

			%Get functions for dependent variables without set functions
			methods
			%Get function from save directory
			function save_dir=get.save_dir(this)
			save_dir=createSessionPath(this.base_dir,this.session_name);
			end

			%Get function for the plot handles
			function main_plot=get.main_plot(this)
			main_plot=this.Gui.figure1.CurrentAxes;
			end

			%Get function for open fits
			function open_fits=get.open_fits(this)
			open_fits=fieldnames(this.Fits);
			end

			%Get function that displays names of open cursors
			function open_crs=get.open_crs(this)
			open_crs=fieldnames(this.Cursors);
			end
			end

			%Get and set functions for dependent properties with SetAccess
			methods
			function base_dir=get.base_dir(this)
			try
			base_dir=this.Gui.BaseDir.String;
			catch
			base_dir=pwd;
			end
			end

			function set.base_dir(this,base_dir)
			this.Gui.BaseDir.String=base_dir;
			end

			function session_name=get.session_name(this)
			try
			session_name=this.Gui.SessionName.String;
			catch
			session_name='';
			end
			end

			function set.session_name(this,session_name)
			this.Gui.SessionName.String=session_name;
			end

			% Always return filename with extension
			function filename=get.filename(this)
			try
			filename=this.Gui.FileName.String;
			[~,~,ext]=fileparts(filename);
			if isempty(ext)
			% Add default file extension
			filename=[filename, this.default_ext];
			end
			catch
			filename=['placeholder', this.default_ext];
			end
			end

			function set.filename(this, str)
			[~,fn,ext]=fileparts(str);
			if strcmpi(ext, this.default_ext)
			% By default display filename without extension
			this.Gui.FileName.String=fn;
			else
			this.Gui.FileName.String=[fn,ext];
			end
			end

			function set.default_ext(this, str)
			assert(ischar(str)&&(str(1)=='.'), ['Default file ' ...
			'extension must be a character string startign ' ...
			'with ''.'''])
			this.default_ext=str;
			end
			end
			end

rINSTCONTROL/@MyDaq/MyDaq.m86dd8ebd4520TekRSA-Freq-vs-Time

MyDaq.mView Options

rINSTCONTROL/@MyDaq/MyDaq.m
86dd8ebd4520TekRSA-Freq-vs-Time

MyDaq.m
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