function this = matImportdlg(parent)
% MATIMPORTDLG is the constructor of the class, which imports time series
% from an mat file into tstool

% Author: Rong Chen 
% Revised: 
% Copyright 1986-2004 The MathWorks, Inc.

% -------------------------------------------------------------------------
% create a singleton of this import dialog
% -------------------------------------------------------------------------
% persistent matdlg;
% if isempty(matdlg)
%     matdlg = tsguis.matImportdlg;
%     this = matdlg; 
%     this.Parent = parent;
% else
%     this = matdlg; 
%     return
% end
this = tsguis.matImportdlg; 
this.Parent = parent;

% -------------------------------------------------------------------------
% load default position parameters for all the components
% -------------------------------------------------------------------------
this.defaultPositions;

% -------------------------------------------------------------------------
% initiaize figure window
% -------------------------------------------------------------------------
% create the main figure window
this.Figure = this.Parent.Figure;

% -------------------------------------------------------------------------
% get default background colors for all components
% -------------------------------------------------------------------------
this.DefaultPos.FigureDefaultColor=get(this.Figure,'Color');
this.DefaultPos.EditDefaultColor=[1 1 1];

% -------------------------------------------------------------------------
% initialize if WINDOWS PC OS, get a list of activex server.  if an excel comserver
% exists, try to establish a webcomponent connection as well as initialize
% the activex cotnrol to display, otherwise use uitable for display
% -------------------------------------------------------------------------
% workspace browser
this.Handles.Browser=sharedlsimgui.varbrowser;
this.Handles.Browser.typesallowed={'double','single','uint8','uint16','unit32','int8','int16','int32','cell'};
this.Handles.Browser.open;
s=javax.swing.JScrollPane(this.Handles.Browser.javahandle);
[this.Handles.jBrowserJUNK, this.Handles.jBrowser]=javacomponent(s,...
    [0 0 1 1], ...
    this.Figure);
set(this.Handles.Browser.javahandle.getColumnOptions,'Resizable','on');
% assign the copy callback
this.Handles.Browser.addlisteners(handle.listener(this.Handles.Browser,'listselect',...
    {@localWorkspaceSelect this}));

% -------------------------------------------------------------------------
% other initialization
% -------------------------------------------------------------------------
this.IOData.FileName='';
this.IOData.SelectedRows=[];
this.IOData.SelectedColumns=[];
this.IOData.checkLimit=20;
this.IOData.SelectedVariableInfo=[];


function localCloseReq(eventSrc, eventData, h)
% overwrite the exit function for the figure window
% Note: figure window won't be deleted unless the import dialog is deleted

% set visible off
set(h.Figure,'visible','off');


function localWorkspaceSelect(eventSrc, eventData, h)
% if no selection
if isempty(h.Handles.Browser.getSelectedVarInfo)
    h.ClearEditBoxes;
    return
end
% update display only if user changes selection in the browser
if ~isequal(h.IOData.SelectedVariableInfo,h.Handles.Browser.getSelectedVarInfo)
    % save the new variable name for future comparison
    h.IOData.SelectedVariableInfo=h.Handles.Browser.getSelectedVarInfo;
    % clear all the selections
    h.ClearEditBoxes;
    % check if the first column or row contains 
    data=h.checkTimeFormat(h.IOData.SelectedVariableInfo.name,'both','1');
    % set correct absolute data/time if in the 1st col or row
    if h.IOData.formatcell.columnIsAbsTime>=0
        % update time panel
        set(h.Handles.COMBdataSample,'Value',1);
        h.TimePanelUpdate('column');
    elseif h.IOData.formatcell.rowIsAbsTime>=0
        % update time panel
        set(h.Handles.COMBdataSample,'Value',2);
        h.TimePanelUpdate('row');
    elseif h.IOData.formatcell.columnIsAbsTime==-1 && size(data,1)>1
        % update time panel
        set(h.Handles.COMBdataSample,'Value',1);
        h.TimePanelUpdate('column');
    elseif h.IOData.formatcell.rowIsAbsTime==-1 && size(data,2)>1
        % update time panel
        set(h.Handles.COMBdataSample,'Value',2);
        h.TimePanelUpdate('row');
    else
        % update time panel
        set(h.Handles.COMBdataSample,'Value',1);
        h.TimePanelUpdate('column');
    end
    % set default selection
    set(h.Handles.EDTFROM,'String',['1:' num2str(h.IOData.SelectedVariableInfo.size(1))]);
    set(h.Handles.EDTTO,'String',['1:' num2str(h.IOData.SelectedVariableInfo.size(2))]);
    h.IOData.SelectedRows=1:h.IOData.SelectedVariableInfo.size(1);
    h.IOData.SelectedColumns=1:h.IOData.SelectedVariableInfo.size(2);
    if get(h.Handles.COMBdataSample,'Value')==1
        % time vector is stored as a column
        if ~isempty(h.IOData.SelectedRows)
            h.updateStartEndTime(h.IOData.SelectedRows(1),h.IOData.SelectedRows(end));
        else
            set(h.Handles.EDTtimeSheetStart,'String','');
            set(h.Handles.EDTtimeSheetEnd,'String','');
        end
    else
        % time vector is stored as a row
        if ~isempty(h.IOData.SelectedColumns)
            h.updateStartEndTime(h.IOData.SelectedColumns(1),h.IOData.SelectedColumns(end));
        else
            set(h.Handles.EDTtimeSheetStart,'String','');
            set(h.Handles.EDTtimeSheetEnd,'String','');
        end
    end
end