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annotate m-toolbox/classes/@collection/removeObjectAtIndex.m @ 33:5e7477b94d94 database-connection-manager

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % REMOVEOBJECTATINDEX removes the object at the specified position from the collection.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: REMOVEOBJECTATINDEX removes the object at the specified
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5 % position from the collection.
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6 %
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7 % CALL: coll = removeObjectAtIndex(coll, 1, 2)
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8 % coll = coll.removeObjectAtIndex(plist('index', [1 2]));
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9 %
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10 % <a href="matlab:utils.helper.displayMethodInfo('collection', 'removeObjectAtIndex')">Parameters Description</a>
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11 %
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12 % VERSION: $Id: removeObjectAtIndex.m,v 1.7 2011/04/08 08:56:22 hewitson Exp $
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13 %
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14 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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15
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16 function varargout = removeObjectAtIndex(varargin)
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17
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18 %%% Check if this is a call for parameters
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19 if utils.helper.isinfocall(varargin{:})
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20 varargout{1} = getInfo(varargin{3});
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21 return
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22 end
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23
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24 %%% Internal call: Only one object + don't look for a plist
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25 if strcmp(varargin{end}, 'internal')
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26 %%% decide whether we modify the first object, or create a new one.
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27 varargin{1} = copy(varargin{1}, nargout);
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28 for ii = 1:numel(varargin{1})
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29 varargin{1}(ii).objs(varargin{2}) = [];
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30 end
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31 varargout{1} = varargin{1};
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32 return
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33 end
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34
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35 import utils.const.*
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36 utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
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37
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38 % Collect input variable names
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39 in_names = cell(size(varargin));
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40 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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41
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42 % Collect objects
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43 [colls, colls_invars, rest] = utils.helper.collect_objects(varargin(:), 'collection', in_names);
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44 [pls, dummy, rest] = utils.helper.collect_objects(rest(:), 'plist');
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45 [idxs, dummy, rest] = utils.helper.collect_objects(rest(:), 'double');
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46
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47 %%% If pls contains only one plist with the single key 'object' and
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48 %%% 'index' then set the property with a plist.
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49 if length(pls) == 1 && isa(pls, 'plist') && nparams(pls) == 1 && pls.isparam('index')
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50 idxs = pls.find('index');
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51 end
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52
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53 if isempty(idxs)
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54 error('### Please specify an index in a plist or direct.');
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55 end
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56
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57 %%% Create plist for history
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58 plh = combine(pls, plist('index', idxs));
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59
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60 % Decide on a deep copy or a modify
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61 colls = copy(colls, nargout);
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62
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63 % Loop over objects
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64 for oo=1:numel(colls)
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65 colls(oo).objs(idxs) = [];
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66 colls(oo).addHistory(getInfo('None'), plh, colls_invars(oo), colls(oo).hist);
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67 end
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68
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69 % Set output
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70 if nargout == numel(colls)
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71 % List of outputs
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72 for ii = 1:numel(colls)
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73 varargout{ii} = colls(ii);
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74 end
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75 else
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76 % Single output
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77 varargout{1} = colls;
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78 end
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79 end
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80
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81 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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82 % Local Functions %
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83 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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84 %--------------------------------------------------------------------------
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85 % Get Info Object
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86 %--------------------------------------------------------------------------
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87 function ii = getInfo(varargin)
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88
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89 if nargin == 1 && strcmpi(varargin{1}, 'None')
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90 sets = {};
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91 pl = [];
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92 else
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93 sets = {'Default'};
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94 pl = getDefaultPlist;
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95 end
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96 % Build info object
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97 ii = minfo(mfilename, 'collection', 'ltpda', utils.const.categories.helper, '$Id: removeObjectAtIndex.m,v 1.7 2011/04/08 08:56:22 hewitson Exp $', sets, pl);
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98 end
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99
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100 %--------------------------------------------------------------------------
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101 % Get Default Plist
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102 %--------------------------------------------------------------------------
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103 function plout = getDefaultPlist()
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104 persistent pl;
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105 if exist('pl', 'var')==0 || isempty(pl)
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106 pl = buildplist();
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107 end
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108 plout = pl;
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109 end
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110
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111 function plo = buildplist()
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112 plo = plist();
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113
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114 p = param({'index', 'Position of the object in the collection.'}, paramValue.EMPTY_DOUBLE);
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115 plo.append(p);
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116
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117 end
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118