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annotate m-toolbox/classes/+utils/@prog/findparent.m @ 39:11e3ed9d2115 database-connection-manager

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Implement databases listing in database connection dialog
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 function [parentHandles] = findparent(childHandle,varargin)
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2 % This function retrieves the handles of all blocks parents of a given
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3 % child block, i.e. all those blocks which must be executed prior to the
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4 % given one.
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5 % Are considered only 'M-S-Function' blocks, since all others will be
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 % executed anyway.
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7 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8 % $Id: findparent.m,v 1.2 2008/08/16 03:30:35 nicola Exp $
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9
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10 lineHandles = get(childHandle,'LineHandles');
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11 lineIn1 = lineHandles.Inport; % this are all the handles of the lines coming in.
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12 parentHandles = get(lineIn1,'SrcBlockHandle'); % these are the handles of all parent blocks.
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13
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14 if isempty(parentHandles), return; end
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15
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16 if(iscell(parentHandles)), parentHandles = cell2mat(parentHandles); end
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17
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18 for i=numel(parentHandles):-1:1
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19 if strcmp(get(parentHandles(i),'BlockType'),'From')
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20 gotoBlock = utils.prog.find_in_models(bdroot,'LookUnderMasks','all','BlockType','Goto','GotoTag',get(parentHandles(i),'GotoTag'));
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21 if numel(gotoBlock)>1
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22 disp(['*** Warning; found multiple GOTO blocks with the same associated tag; please check model ',gcs]);
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23 gotoBlock = gotoBlock{1};
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24 end
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25 % Substitute the handle of the 'from' block with the corresponding
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26 % 'goto' block:
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27 parentHandles(i) = get_param(gotoBlock{1},'Handle');
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28 end
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29
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30 % Let's find recursively all the parents of this parent block:
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31 parentHandles = [parentHandles ; utils.prog.findparent(parentHandles(i))];
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32
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33 % If this parent is a subsystem, all inner block must be added to the list
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34 % (but there's no need to look for the parents of all them):
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35 if strcmp(get(parentHandles(i),'BlockType'),'SubSystem')
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36 innerBlocks = utils.prog.find_in_models(parentHandles(i),'LookUnderMasks','all','BlockType','M-S-Function');
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37 for j=1:numel(innerBlocks)
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38 parentHandles = [parentHandles; innerBlocks(j)];
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39 end
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40 % The handle of the subsystem can be discarded:
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41 parentHandles(i) = [];
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42 elseif ~strcmp(get(parentHandles(i),'BlockType'),'M-S-Function')
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43 parentHandles(i) = [];
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44 end
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45
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46 end
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47
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48 end
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