NICollectionViewCellFactory_8m_source.html

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<div class="title">NICollectionViewCellFactory.m</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// Copyright 2011-2014 NimbusKit</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">//    http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#import &quot;NICollectionViewCellFactory.h&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#import &quot;NimbusCore.h&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#if !defined(__has_feature) || !__has_feature(objc_arc)</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#error &quot;Nimbus requires ARC support.&quot;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="keyword">@interface </span><a class="code" href="NICollectionViewCellFactory.html">NICollectionViewCellFactory</a>()</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="keyword">@property</span> (nonatomic, copy) NSMutableDictionary* objectToCellMap;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="keyword">@property</span> (nonatomic, copy) NSMutableSet* registeredObjectClasses;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="keyword">@end</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">@implementation </span><a class="code" href="NICollectionViewCellFactory.html">NICollectionViewCellFactory</a></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;- (id)init {</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;  <span class="keywordflow">if</span> ((<span class="keyword">self</span> = [super init])) {</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    _objectToCellMap = [[NSMutableDictionary alloc] init];</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    _registeredObjectClasses = [[NSMutableSet alloc] init];</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;  }</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;  <span class="keywordflow">return</span> <span class="keyword">self</span>;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;}</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;+ (UICollectionViewCell *)cellWithClass:(Class)collectionViewCellClass</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;                         collectionView:(UICollectionView *)collectionView</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;                              indexPath:(NSIndexPath *)indexPath</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;                                 object:(<span class="keywordtype">id</span>)object {</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;  UICollectionViewCell* cell = nil;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;  NSString* identifier = NSStringFromClass(collectionViewCellClass);</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;  <span class="keywordflow">if</span> ([collectionViewCellClass respondsToSelector:<span class="keyword">@selector</span>(shouldAppendObjectClassToReuseIdentifier)]</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;      &amp;&amp; [collectionViewCellClass shouldAppendObjectClassToReuseIdentifier]) {</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    identifier = [identifier stringByAppendingFormat:@&quot;.%@&quot;, NSStringFromClass([object class])];</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  }</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;  [collectionView registerClass:collectionViewCellClass forCellWithReuseIdentifier:identifier];</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  cell = [collectionView dequeueReusableCellWithReuseIdentifier:identifier forIndexPath:indexPath];</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  <span class="comment">// Allow the cell to configure itself with the object&#39;s information.</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  <span class="keywordflow">if</span> ([cell respondsToSelector:<span class="keyword">@selector</span>(shouldUpdateCellWithObject:)]) {</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    [(id&lt;<a class="code" href="NICollectionViewCell-Protocol.html">NICollectionViewCell</a>&gt;)<a class="code" href="NICollectionViewCell-Protocol.html">cell</a> shouldUpdateCellWithObject:object];</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  }</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  <span class="keywordflow">return</span> cell;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;+ (UICollectionViewCell *)cellWithNib:(UINib *)collectionViewCellNib</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;                       collectionView:(UICollectionView *)collectionView</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;                            indexPath:(NSIndexPath *)indexPath</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;                               object:(<span class="keywordtype">id</span>)object {</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;  UICollectionViewCell* cell = nil;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  NSString* identifier = NSStringFromClass([<span class="keywordtype">object</span> <span class="keyword">class</span>]);</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  [collectionView registerNib:collectionViewCellNib forCellWithReuseIdentifier:identifier];</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;  cell = [collectionView dequeueReusableCellWithReuseIdentifier:identifier forIndexPath:indexPath];</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;  <span class="comment">// Allow the cell to configure itself with the object&#39;s information.</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;  <span class="keywordflow">if</span> ([cell respondsToSelector:<span class="keyword">@selector</span>(shouldUpdateCellWithObject:)]) {</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    [(id&lt;<a class="code" href="NICollectionViewCell-Protocol.html">NICollectionViewCell</a>&gt;)<a class="code" href="NICollectionViewCell-Protocol.html">cell</a> shouldUpdateCellWithObject:object];</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;  }</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;  <span class="keywordflow">return</span> cell;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;}</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="NICollectionViewCellFactory.html#collectionViewModel:cellForCollectionView:atIndexPath:withObject:">   87</a></span>&#160;+ (UICollectionViewCell *)collectionViewModel:(<a class="code" href="NICollectionViewModel.html">NICollectionViewModel</a> *)collectionViewModel</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;                        cellForCollectionView:(UICollectionView *)collectionView</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;                                  atIndexPath:(NSIndexPath *)indexPath</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;                                   withObject:(<span class="keywordtype">id</span>)object {</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;  UICollectionViewCell* cell = nil;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;  <span class="comment">// Only NICollectionViewCellObject-conformant objects may pass.</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;  <span class="keywordflow">if</span> ([<span class="keywordtype">object</span> respondsToSelector:<span class="keyword">@selector</span>(collectionViewCellClass)]) {</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    Class collectionViewCellClass = [object collectionViewCellClass];</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    cell = [<span class="keyword">self</span> cellWithClass:collectionViewCellClass collectionView:collectionView indexPath:indexPath object:object];</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ([<span class="keywordtype">object</span> respondsToSelector:<span class="keyword">@selector</span>(collectionViewCellNib)]) {</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    UINib* nib = [object collectionViewCellNib];</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    cell = [<span class="keyword">self</span> cellWithNib:nib collectionView:collectionView indexPath:indexPath object:object];</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;  }</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;  <span class="comment">// If this assertion fires then your app is about to crash. You need to either add an explicit</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;  <span class="comment">// binding in a NICollectionViewCellFactory object or implement either</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;  <span class="comment">// NICollectionViewCellObject or NICollectionViewNibCellObject on this object and return a cell</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  <span class="comment">// class.</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;  NIDASSERT(nil != cell);</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <span class="keywordflow">return</span> cell;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;}</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;- (Class)collectionViewCellClassFromObject:(<span class="keywordtype">id</span>)object {</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;  <span class="keywordflow">if</span> (nil == <span class="keywordtype">object</span>) {</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <span class="keywordflow">return</span> nil;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  }</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  Class objectClass = [object class];</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;  Class collectionViewCellClass = [<span class="keyword">self</span>.objectToCellMap objectForKey:objectClass];</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;  BOOL hasExplicitMapping = (nil != collectionViewCellClass &amp;&amp; collectionViewCellClass != [NSNull class]);</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;  <span class="keywordflow">if</span> (!hasExplicitMapping &amp;&amp; [<span class="keywordtype">object</span> respondsToSelector:<span class="keyword">@selector</span>(collectionViewCellClass)]) {</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    collectionViewCellClass = [object collectionViewCellClass];</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;  }</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;  <span class="keywordflow">if</span> (nil == collectionViewCellClass) {</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    collectionViewCellClass = [<a class="code" href="NIActions.html">NIActions</a> <a class="code" href="Actions.html#gobjectFromKeyClass:map:">objectFromKeyClass</a>:objectClass <a class="code" href="Actions.html#gobjectFromKeyClass:map:">map</a>:self.objectToCellMap];</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  }</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;  <span class="keywordflow">return</span> collectionViewCellClass;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;}</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;- (UICollectionViewCell *)collectionViewModel:(<a class="code" href="NICollectionViewModel.html">NICollectionViewModel</a> *)collectionViewModel</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                   cellForCollectionView:(UICollectionView *)collectionView</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                        atIndexPath:(NSIndexPath *)indexPath</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                         withObject:(<span class="keywordtype">id</span>)object {</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;  UICollectionViewCell* cell = nil;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;  Class collectionViewCellClass = [<span class="keyword">self</span> collectionViewCellClassFromObject:object];</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;  <span class="keywordflow">if</span> (nil != collectionViewCellClass) {</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    cell = [[<span class="keyword">self</span> class] cellWithClass:collectionViewCellClass collectionView:collectionView indexPath:indexPath object:object];</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ([<span class="keywordtype">object</span> respondsToSelector:<span class="keyword">@selector</span>(collectionViewCellNib)]) {</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    UINib* nib = [object collectionViewCellNib];</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    cell = [[<span class="keyword">self</span> class] cellWithNib:nib collectionView:collectionView indexPath:indexPath object:object];</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  }</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;  <span class="comment">// If this assertion fires then your app is about to crash. You need to either add an explicit</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  <span class="comment">// binding in a NICollectionViewCellFactory object or implement the NICollectionViewCellObject</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;  <span class="comment">// protocol on this object and return a cell class.</span></div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;  NIDASSERT(nil != cell);</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;  <span class="keywordflow">return</span> cell;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;}</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="NICollectionViewCellFactory.html#mapObjectClass:toCellClass:">  156</a></span>&#160;- (void)mapObjectClass:(Class)objectClass toCellClass:(Class)collectionViewCellClass {</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;  [<span class="keyword">self</span>.objectToCellMap setObject:collectionViewCellClass forKey:(id&lt;NSCopying&gt;)objectClass];</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;}</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div>
<div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="NICollectionViewCellFactory.html#collectionViewCellClassForItemAtIndexPath:model:">  160</a></span>&#160;- (Class)collectionViewCellClassForItemAtIndexPath:(NSIndexPath *)indexPath model:(<a class="code" href="NICollectionViewModel.html">NICollectionViewModel</a> *)model {</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;  <span class="keywordtype">id</span> <span class="keywordtype">object</span> = [model <a class="code" href="NICollectionViewModel.html#objectAtIndexPath:">objectAtIndexPath</a>:indexPath];</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  <span class="keywordflow">return</span> [<span class="keyword">self</span> collectionViewCellClassFromObject:object];</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;}</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;+ (Class)collectionViewCellClassForItemAtIndexPath:(NSIndexPath *)indexPath model:(<a class="code" href="NICollectionViewModel.html">NICollectionViewModel</a> *)model {</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;  <span class="keywordtype">id</span> <span class="keywordtype">object</span> = [model <a class="code" href="NICollectionViewModel.html#objectAtIndexPath:">objectAtIndexPath</a>:indexPath];</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;  Class collectionViewCellClass = nil;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;  <span class="keywordflow">if</span> ([<span class="keywordtype">object</span> respondsToSelector:<span class="keyword">@selector</span>(collectionViewCellClass)]) {</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    collectionViewCellClass = [object collectionViewCellClass];</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;  }</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;  <span class="keywordflow">return</span> collectionViewCellClass;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;}</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="keyword">@end</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="keyword">@interface </span><a class="code" href="NICollectionViewCellObject.html">NICollectionViewCellObject</a>()</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="keyword">@property</span> (nonatomic, assign) Class collectionViewCellClass;</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;<span class="keyword">@property</span> (nonatomic, strong) <span class="keywordtype">id</span> <a class="code" href="NICollectionViewCellObject.html#userInfo">userInfo</a>;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="keyword">@end</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;<span class="keyword">@implementation </span><a class="code" href="NICollectionViewCellObject.html">NICollectionViewCellObject</a></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;- (id)initWithCellClass:(Class)collectionViewCellClass userInfo:(<span class="keywordtype">id</span>)userInfo {</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;  <span class="keywordflow">if</span> ((<span class="keyword">self</span> = [super init])) {</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    _collectionViewCellClass = <a class="code" href="NICollectionViewCellObject-Protocol.html#collectionViewCellClass">collectionViewCellClass</a>;</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    _userInfo = <a class="code" href="NICollectionViewCellObject.html#userInfo">userInfo</a>;</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;  }</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  <span class="keywordflow">return</span> <span class="keyword">self</span>;</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;}</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;- (id)initWithCellClass:(Class)collectionViewCellClass {</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;  <span class="keywordflow">return</span> [<span class="keyword">self</span> initWithCellClass:collectionViewCellClass userInfo:nil];</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;}</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;+ (id)objectWithCellClass:(Class)collectionViewCellClass userInfo:(<span class="keywordtype">id</span>)userInfo {</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;  <span class="keywordflow">return</span> [[<span class="keyword">self</span> alloc] initWithCellClass:collectionViewCellClass userInfo:userInfo];</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;}</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;+ (id)objectWithCellClass:(Class)collectionViewCellClass {</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;  <span class="keywordflow">return</span> [[<span class="keyword">self</span> alloc] initWithCellClass:collectionViewCellClass userInfo:nil];</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;}</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="keyword">@end</span></div>
<div class="ttc" id="NICollectionViewCellFactory_html"><div class="ttname"><a href="NICollectionViewCellFactory.html">NICollectionViewCellFactory</a></div><div class="ttdoc">A simple factory for creating collection view cells from objects. </div><div class="ttdef"><b>Definition:</b> <a href="NICollectionViewCellFactory_8h_source.html#l00043">NICollectionViewCellFactory.h:43</a></div></div>
<div class="ttc" id="NICollectionViewModel_html_objectAtIndexPath:"><div class="ttname"><a href="NICollectionViewModel.html#objectAtIndexPath:">-[NICollectionViewModel objectAtIndexPath:]</a></div><div class="ttdeci">id objectAtIndexPath:(NSIndexPath *indexPath)</div><div class="ttdoc">Returns the object at the given index path. </div><div class="ttdef"><b>Definition:</b> <a href="NICollectionViewModel_8m_source.html#l00178">NICollectionViewModel.m:178</a></div></div>
<div class="ttc" id="NIActions_html"><div class="ttname"><a href="NIActions.html">NIActions</a></div><div class="ttdoc">The NIActions class provides a generic interface for attaching actions to objects. </div><div class="ttdef"><b>Definition:</b> <a href="NIActions_8h_source.html#l00082">NIActions.h:82</a></div></div>
<div class="ttc" id="NICollectionViewCell-Protocol_html"><div class="ttname"><a href="NICollectionViewCell-Protocol.html">NICollectionViewCell-p</a></div><div class="ttdoc">The protocol for a cell created in the NICollectionViewCellFactory. </div><div class="ttdef"><b>Definition:</b> <a href="NICollectionViewCellFactory_8h_source.html#l00146">NICollectionViewCellFactory.h:146</a></div></div>
<div class="ttc" id="NICollectionViewModel_html"><div class="ttname"><a href="NICollectionViewModel.html">NICollectionViewModel</a></div><div class="ttdoc">A non-mutable collection view model that complies to the UICollectionViewDataSource protocol...</div><div class="ttdef"><b>Definition:</b> <a href="NICollectionViewModel_8h_source.html#l00044">NICollectionViewModel.h:44</a></div></div>
<div class="ttc" id="NICollectionViewCellObject_html_userInfo"><div class="ttname"><a href="NICollectionViewCellObject.html#userInfo">NICollectionViewCellObject::userInfo</a></div><div class="ttdeci">id userInfo</div><div class="ttdoc">An object that can be used to populate information in the cell. </div><div class="ttdef"><b>Definition:</b> <a href="NICollectionViewCellFactory_8h_source.html#l00192">NICollectionViewCellFactory.h:192</a></div></div>
<div class="ttc" id="Actions_html_gobjectFromKeyClass:map:"><div class="ttname"><a href="Actions.html#gobjectFromKeyClass:map:">+[NIActions objectFromKeyClass:map:]</a></div><div class="ttdeci">id objectFromKeyClass:map:(Class keyClass,[map] NSMutableDictionary *map)</div><div class="ttdoc">Returns a mapped object from the given key class. </div><div class="ttdef"><b>Definition:</b> <a href="NIActions_8m_source.html#l00173">NIActions.m:173</a></div></div>
<div class="ttc" id="NICollectionViewCellObject_html"><div class="ttname"><a href="NICollectionViewCellObject.html">NICollectionViewCellObject</a></div><div class="ttdoc">A light-weight implementation of the NICollectionViewCellObject protocol. </div><div class="ttdef"><b>Definition:</b> <a href="NICollectionViewCellFactory_8h_source.html#l00183">NICollectionViewCellFactory.h:183</a></div></div>
<div class="ttc" id="NICollectionViewCellObject-Protocol_html_collectionViewCellClass"><div class="ttname"><a href="NICollectionViewCellObject-Protocol.html#collectionViewCellClass">-[NICollectionViewCellObject-p collectionViewCellClass]</a></div><div class="ttdeci">Class collectionViewCellClass()</div><div class="ttdoc">The class of cell to be created when this object is passed to the cell factory. </div></div>
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