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−% GETHELPPATH return the full path of the LTPDA toolbox help
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−%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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−%
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−% DESCRIPTION: GETHELPPATH return the full path of the LTPDA toolbox help.
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−%
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−% CALL:        path = utils.helper.getHelpPath()
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−%
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−% EXCEPTION:   Throws an error if this method doesn't find the LTPDA
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−%              toolbox.
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−%
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−% VERSION:     $Id: getHelpPath.m,v 1.2 2010/12/17 14:23:22 hewitson Exp $
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−%
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−%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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−
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−function helpLocation = getHelpPath()
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−  
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−  root = getappdata(0, 'LTPDAROOT');
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−  if ~isempty(root)
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−    helpLocation = fullfile(root, 'ltpda', 'help');
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−    return;
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−  else
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−    infoPath = which('info.xml');
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−    infoLocation = fileparts(infoPath);
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−    
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−    infoXML = xmlread('info.xml');
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−    tbNameNode = infoXML.getElementsByTagName('name');
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−    tbName = tbNameNode.item(0).getFirstChild.getData;
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−    if strcmp(tbName, 'LTPDA')
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−      helpLocationNodes = infoXML.getElementsByTagName('help_location');
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−      helpLocation = char(helpLocationNodes.item(0).getFirstChild.getTextContent);
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−    else % Otherwise error out
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−      error('Can not find info.xml file for My Toolbox');
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−    end
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−    
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−    helpLocation = fullfile(infoLocation, helpLocation);
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−  end
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−end