1. Stewart Mackenzie
  2. cappuccino-docs

Source

cappuccino-docs / cappuccino docs / cappuccino.org / learn / documentation / _c_p_array_09_k_v_o_8j_source.html

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<h1>Foundation/CPArray+KVO.j</h1><a href="_c_p_array_09_k_v_o_8j.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * CPArray+KVO.j</span>
<a name="l00003"></a>00003 <span class="comment"> * Foundation</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Created by Ross Boucher.</span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright 2008, 280 North, Inc.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00010"></a>00010 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00019"></a>00019 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00020"></a>00020 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022 
<a name="l00023"></a>00023 @<span class="keyword">import</span> <span class="stringliteral">&quot;CPArray.j&quot;</span>
<a name="l00024"></a>00024 @<span class="keyword">import</span> <span class="stringliteral">&quot;CPNull.j&quot;</span>
<a name="l00025"></a>00025 
<a name="l00026"></a>00026 <span class="keyword">@implementation </span><a class="code" href="class_c_p_object.html" title="The root class from which most classes are subclassed.">CPObject</a> (CPArrayKVO)
<a name="l00027"></a>00027 
<a name="l00028"></a><a class="code" href="class_c_p_object.html#a44684200255d0a39108c23ecbe7f85a4">00028</a> - (id)mutableArrayValueForKey:(<span class="keywordtype">id</span>)aKey
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030         <span class="keywordflow">return</span> [[_CPKVCArray alloc] initWithKey:aKey forProxyObject:self];
<a name="l00031"></a>00031 }
<a name="l00032"></a>00032 
<a name="l00033"></a><a class="code" href="class_c_p_object.html#a79125a117f577a4e45157860afaef619">00033</a> - (id)mutableArrayValueForKeyPath:(<span class="keywordtype">id</span>)aKeyPath
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035     var dotIndex = aKeyPath.indexOf(<span class="stringliteral">&quot;.&quot;</span>);
<a name="l00036"></a>00036     
<a name="l00037"></a>00037     <span class="keywordflow">if</span> (dotIndex &lt; 0)
<a name="l00038"></a>00038         <span class="keywordflow">return</span> [<span class="keyword">self</span> <a class="code" href="class_c_p_object.html#a44684200255d0a39108c23ecbe7f85a4">mutableArrayValueForKey</a>:aKeyPath];
<a name="l00039"></a>00039 
<a name="l00040"></a>00040     var firstPart = aKeyPath.substring(0, dotIndex),
<a name="l00041"></a>00041         lastPart = aKeyPath.substring(dotIndex+1);
<a name="l00042"></a>00042 
<a name="l00043"></a>00043     <span class="keywordflow">return</span> [[<span class="keyword">self</span> <a class="code" href="class_c_p_object.html#a70cd733a1e58f1f0a536ceddf202bee4">valueForKeyPath</a>:firstPart] valueForKeyPath:lastPart];
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 <span class="keyword">@end</span>
<a name="l00047"></a>00047 
<a name="l00048"></a>00048 <span class="keyword">@implementation </span>_CPKVCArray : <a class="code" href="class_c_p_array.html" title="A mutable array backed by a JavaScript Array.A mutable array class backed by a JavaScript...">CPArray</a>
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050     <span class="keywordtype">id</span> _proxyObject;
<a name="l00051"></a>00051     <span class="keywordtype">id</span> _key;
<a name="l00052"></a>00052     
<a name="l00053"></a>00053     <span class="keywordtype">SEL</span>         _insertSEL;
<a name="l00054"></a>00054     Function    _insert;
<a name="l00055"></a>00055     
<a name="l00056"></a>00056     <span class="keywordtype">SEL</span>         _removeSEL;
<a name="l00057"></a>00057     Function    _remove;
<a name="l00058"></a>00058     
<a name="l00059"></a>00059     <span class="keywordtype">SEL</span>         _replaceSEL;
<a name="l00060"></a>00060     Function    _replace;
<a name="l00061"></a>00061  
<a name="l00062"></a>00062     <span class="keywordtype">SEL</span>         _insertManySEL;
<a name="l00063"></a>00063     Function    _insertMany;
<a name="l00064"></a>00064     
<a name="l00065"></a>00065     <span class="keywordtype">SEL</span>         _removeManySEL;
<a name="l00066"></a>00066     Function    _removeMany;
<a name="l00067"></a>00067     
<a name="l00068"></a>00068     <span class="keywordtype">SEL</span>         _replaceManySEL;
<a name="l00069"></a>00069     Function    _replaceMany;
<a name="l00070"></a>00070    
<a name="l00071"></a>00071     <span class="keywordtype">SEL</span>         _objectAtIndexSEL;
<a name="l00072"></a>00072     Function    _objectAtIndex;
<a name="l00073"></a>00073     
<a name="l00074"></a>00074     <span class="keywordtype">SEL</span>         _countSEL;
<a name="l00075"></a>00075     Function    _count;
<a name="l00076"></a>00076     
<a name="l00077"></a>00077     <span class="keywordtype">SEL</span>         _accessSEL;
<a name="l00078"></a>00078     Function    _access;
<a name="l00079"></a>00079     
<a name="l00080"></a>00080     <span class="keywordtype">SEL</span>         _setSEL;
<a name="l00081"></a>00081     Function    _set;
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 
<a name="l00084"></a>00084 + (id)alloc
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086     var array = [];
<a name="l00087"></a>00087 
<a name="l00088"></a>00088     array.isa = <span class="keyword">self</span>;
<a name="l00089"></a>00089 
<a name="l00090"></a>00090     var ivars = class_copyIvarList(<span class="keyword">self</span>),
<a name="l00091"></a>00091         count = ivars.length;
<a name="l00092"></a>00092 
<a name="l00093"></a>00093     <span class="keywordflow">while</span> (count--)
<a name="l00094"></a>00094         array[ivar_getName(ivars[count])] = nil;
<a name="l00095"></a>00095 
<a name="l00096"></a>00096     <span class="keywordflow">return</span> array;
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098 
<a name="l00099"></a>00099 -(id)initWithKey:(<span class="keywordtype">id</span>)aKey forProxyObject:(<span class="keywordtype">id</span>)anObject
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101     <span class="keyword">self</span> = [<span class="keyword">super</span> init];
<a name="l00102"></a>00102 
<a name="l00103"></a>00103     _key = aKey;
<a name="l00104"></a>00104     _proxyObject = anObject;
<a name="l00105"></a>00105     
<a name="l00106"></a>00106     var capitalizedKey = _key.charAt(0).toUpperCase() + _key.substring(1);
<a name="l00107"></a>00107     
<a name="l00108"></a>00108     _insertSEL = sel_getName(<span class="stringliteral">@&quot;insertObject:in&quot;</span>+capitalizedKey+<span class="stringliteral">&quot;AtIndex:&quot;</span>);
<a name="l00109"></a>00109     <span class="keywordflow">if</span> ([_proxyObject respondsToSelector:_insertSEL])
<a name="l00110"></a>00110         _insert = [_proxyObject methodForSelector:_insertSEL];
<a name="l00111"></a>00111 
<a name="l00112"></a>00112     _removeSEL = sel_getName(<span class="stringliteral">@&quot;removeObjectFrom&quot;</span>+capitalizedKey+<span class="stringliteral">&quot;AtIndex:&quot;</span>);
<a name="l00113"></a>00113     <span class="keywordflow">if</span> ([_proxyObject respondsToSelector:_removeSEL])
<a name="l00114"></a>00114         _remove = [_proxyObject methodForSelector:_removeSEL];
<a name="l00115"></a>00115         
<a name="l00116"></a>00116     _replaceSEL = sel_getName(<span class="stringliteral">@&quot;replaceObjectFrom&quot;</span>+capitalizedKey+<span class="stringliteral">&quot;AtIndex:withObject:&quot;</span>);
<a name="l00117"></a>00117     <span class="keywordflow">if</span> ([_proxyObject respondsToSelector:_replaceSEL])
<a name="l00118"></a>00118         _replace = [_proxyObject methodForSelector:_replaceSEL];
<a name="l00119"></a>00119 
<a name="l00120"></a>00120     _insertManySEL = sel_getName(<span class="stringliteral">@&quot;insertObjects:in&quot;</span>+capitalizedKey+<span class="stringliteral">&quot;AtIndexes:&quot;</span>);
<a name="l00121"></a>00121     <span class="keywordflow">if</span> ([_proxyObject respondsToSelector:_insertManySEL])
<a name="l00122"></a>00122         _insert = [_proxyObject methodForSelector:_insertManySEL];
<a name="l00123"></a>00123 
<a name="l00124"></a>00124     _removeManySEL = sel_getName(<span class="stringliteral">@&quot;removeObjectsFrom&quot;</span>+capitalizedKey+<span class="stringliteral">&quot;AtIndexes:&quot;</span>);
<a name="l00125"></a>00125     <span class="keywordflow">if</span> ([_proxyObject respondsToSelector:_removeManySEL])
<a name="l00126"></a>00126         _remove = [_proxyObject methodForSelector:_removeManySEL];
<a name="l00127"></a>00127         
<a name="l00128"></a>00128     _replaceManySEL = sel_getName(<span class="stringliteral">@&quot;replaceObjectsFrom&quot;</span>+capitalizedKey+<span class="stringliteral">&quot;AtIndexes:withObjects:&quot;</span>);
<a name="l00129"></a>00129     <span class="keywordflow">if</span> ([_proxyObject respondsToSelector:_replaceManySEL])
<a name="l00130"></a>00130         _replace = [_proxyObject methodForSelector:_replaceManySEL];
<a name="l00131"></a>00131         
<a name="l00132"></a>00132     _objectAtIndexSEL = sel_getName(<span class="stringliteral">@&quot;objectIn&quot;</span>+capitalizedKey+<span class="stringliteral">&quot;AtIndex:&quot;</span>);
<a name="l00133"></a>00133     <span class="keywordflow">if</span> ([_proxyObject respondsToSelector:_objectAtIndexSEL])
<a name="l00134"></a>00134         _objectAtIndex = [_proxyObject methodForSelector:_objectAtIndexSEL];
<a name="l00135"></a>00135 
<a name="l00136"></a>00136     _countSEL = sel_getName(<span class="stringliteral">@&quot;countOf&quot;</span>+capitalizedKey);
<a name="l00137"></a>00137     <span class="keywordflow">if</span> ([_proxyObject respondsToSelector:_countSEL])
<a name="l00138"></a>00138         _count = [_proxyObject methodForSelector:_countSEL];
<a name="l00139"></a>00139 
<a name="l00140"></a>00140     _accessSEL = sel_getName(_key);
<a name="l00141"></a>00141     <span class="keywordflow">if</span> ([_proxyObject respondsToSelector:_accessSEL])
<a name="l00142"></a>00142         _access = [_proxyObject methodForSelector:_accessSEL];
<a name="l00143"></a>00143 
<a name="l00144"></a>00144     _setSEL = sel_getName(<span class="stringliteral">@&quot;set&quot;</span>+capitalizedKey+<span class="stringliteral">&quot;:&quot;</span>);
<a name="l00145"></a>00145     <span class="keywordflow">if</span> ([_proxyObject respondsToSelector:_setSEL])
<a name="l00146"></a>00146         _set = [_proxyObject methodForSelector:_setSEL];
<a name="l00147"></a>00147 
<a name="l00148"></a>00148     <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 
<a name="l00151"></a>00151 - (id)copy
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153     var theCopy = [],
<a name="l00154"></a>00154         count = [<span class="keyword">self</span> count];
<a name="l00155"></a>00155 
<a name="l00156"></a>00156     <span class="keywordflow">for</span> (var i=0; i&lt;count; i++)
<a name="l00157"></a>00157         [theCopy addObject:[self objectAtIndex:i]];
<a name="l00158"></a>00158 
<a name="l00159"></a>00159     <span class="keywordflow">return</span> theCopy;
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161 
<a name="l00162"></a>00162 -(id)_representedObject
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164     <span class="keywordflow">if</span> (_access)
<a name="l00165"></a>00165         <span class="keywordflow">return</span> _access(_proxyObject, _accessSEL);
<a name="l00166"></a>00166 
<a name="l00167"></a>00167     <span class="keywordflow">return</span> [_proxyObject valueForKey:_key];
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169 
<a name="l00170"></a>00170 -(void)_setRepresentedObject:(<span class="keywordtype">id</span>)anObject
<a name="l00171"></a>00171 {
<a name="l00172"></a>00172     <span class="keywordflow">if</span> (_set)
<a name="l00173"></a>00173         <span class="keywordflow">return</span> _set(_proxyObject, _setSEL, anObject);
<a name="l00174"></a>00174 
<a name="l00175"></a>00175     [_proxyObject setValue:anObject forKey:_key];
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177 
<a name="l00178"></a>00178 - (unsigned)count
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180     <span class="keywordflow">if</span> (_count)
<a name="l00181"></a>00181         <span class="keywordflow">return</span> _count(_proxyObject, _countSEL);
<a name="l00182"></a>00182 
<a name="l00183"></a>00183     <span class="keywordflow">return</span> [[<span class="keyword">self</span> _representedObject] count];
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185 
<a name="l00186"></a>00186 - (int)indexOfObject:(<a class="code" href="class_c_p_object.html" title="The root class from which most classes are subclassed.">CPObject</a>)anObject inRange:(CPRange)aRange
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188     var index = aRange.location,
<a name="l00189"></a>00189         count = aRange.length,
<a name="l00190"></a>00190         shouldIsEqual = !!anObject.isa;
<a name="l00191"></a>00191 
<a name="l00192"></a>00192     <span class="keywordflow">for</span> (; index &lt; count; ++index)
<a name="l00193"></a>00193     {
<a name="l00194"></a>00194         var <span class="keywordtype">object</span> = [<span class="keyword">self</span> objectAtIndex:index];
<a name="l00195"></a>00195 
<a name="l00196"></a>00196         <span class="keywordflow">if</span> (anObject === <span class="keywordtype">object</span> || shouldIsEqual &amp;&amp; !!<span class="keywordtype">object</span>.<a class="code" href="_c_p_array_8j.html#a702f174ccd5ff8e1139f8657a0bba6fd">isa</a> &amp;&amp; [anObject isEqual:<span class="keywordtype">object</span>])
<a name="l00197"></a>00197             <span class="keywordflow">return</span> index;
<a name="l00198"></a>00198     }
<a name="l00199"></a>00199 
<a name="l00200"></a>00200     <span class="keywordflow">return</span> <a class="code" href="_c_p_obj_j_runtime_8j.html#a84e3be579b365cc2c1559e1a1f469238">CPNotFound</a>;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202 
<a name="l00203"></a>00203 - (int)indexOfObject:(<a class="code" href="class_c_p_object.html" title="The root class from which most classes are subclassed.">CPObject</a>)anObject
<a name="l00204"></a>00204 {
<a name="l00205"></a>00205     <span class="keywordflow">return</span> [<span class="keyword">self</span> indexOfObject:anObject inRange:CPMakeRange(0, [<span class="keyword">self</span> count])];
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207 
<a name="l00208"></a>00208 - (int)indexOfObjectIdenticalTo:(<a class="code" href="class_c_p_object.html" title="The root class from which most classes are subclassed.">CPObject</a>)anObject inRange:(CPRange)aRange
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210     var index = aRange.location,
<a name="l00211"></a>00211         count = aRange.length;
<a name="l00212"></a>00212 
<a name="l00213"></a>00213     <span class="keywordflow">for</span> (; index &lt; count; ++index)
<a name="l00214"></a>00214         <a class="code" href="_c_a_backing_store_8j.html#ad2b049b1f6911d2ffffc0769dfe601e4">if</a> (anObject === [<a class="code" href="_c_p_button_bar_8j.html#a57945218a0d2fdfc4a2d4fa646901ef1">self</a> objectAtIndex:index])
<a name="l00215"></a>00215             return index;
<a name="l00216"></a>00216 
<a name="l00217"></a>00217     <span class="keywordflow">return</span> <a class="code" href="_c_p_obj_j_runtime_8j.html#a84e3be579b365cc2c1559e1a1f469238">CPNotFound</a>;
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 
<a name="l00220"></a>00220 - (int)indexOfObjectIdenticalTo:(<a class="code" href="class_c_p_object.html" title="The root class from which most classes are subclassed.">CPObject</a>)anObject
<a name="l00221"></a>00221 {
<a name="l00222"></a>00222     <span class="keywordflow">return</span> [<span class="keyword">self</span> indexOfObjectIdenticalTo:anObject inRange:CPMakeRange(0, [<span class="keyword">self</span> count])];
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224 
<a name="l00225"></a>00225 - (id)objectAtIndex:(<span class="keywordtype">unsigned</span>)anIndex
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227     <span class="keywordflow">if</span>(_objectAtIndex)
<a name="l00228"></a>00228         <span class="keywordflow">return</span> _objectAtIndex(_proxyObject, _objectAtIndexSEL, anIndex);
<a name="l00229"></a>00229 
<a name="l00230"></a>00230     <span class="keywordflow">return</span> [[<span class="keyword">self</span> _representedObject] objectAtIndex:anIndex];
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232 
<a name="l00233"></a>00233 - (void)addObject:(<span class="keywordtype">id</span>)anObject
<a name="l00234"></a>00234 {
<a name="l00235"></a>00235     <span class="keywordflow">if</span> (_insert)
<a name="l00236"></a>00236         <span class="keywordflow">return</span> _insert(_proxyObject, _insertSEL, anObject, [<span class="keyword">self</span> count]);
<a name="l00237"></a>00237 
<a name="l00238"></a>00238     var target = [[<span class="keyword">self</span> _representedObject] copy];
<a name="l00239"></a>00239     
<a name="l00240"></a>00240     [target addObject:anObject];
<a name="l00241"></a>00241     [<span class="keyword">self</span> _setRepresentedObject:target];
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243 
<a name="l00244"></a>00244 - (void)addObjectsFromArray:(<a class="code" href="class_c_p_array.html" title="A mutable array backed by a JavaScript Array.A mutable array class backed by a JavaScript...">CPArray</a>)anArray
<a name="l00245"></a>00245 {
<a name="l00246"></a>00246     var index = 0,
<a name="l00247"></a>00247         count = [anArray <a class="code" href="class_c_p_array.html#ae8abed7c67002d9a883005aa40e4fb55">count</a>];
<a name="l00248"></a>00248 
<a name="l00249"></a>00249     <span class="keywordflow">for</span> (; index &lt; count; ++index)
<a name="l00250"></a>00250         [<a class="code" href="_c_p_button_bar_8j.html#a57945218a0d2fdfc4a2d4fa646901ef1">self</a> addObject:[anArray objectAtIndex:index]];
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252 
<a name="l00253"></a>00253 - (void)insertObject:(<span class="keywordtype">id</span>)anObject atIndex:(<span class="keywordtype">unsigned</span>)anIndex
<a name="l00254"></a>00254 {
<a name="l00255"></a>00255     <span class="keywordflow">if</span> (_insert)
<a name="l00256"></a>00256         <span class="keywordflow">return</span> _insert(_proxyObject, _insertSEL, anObject, anIndex);
<a name="l00257"></a>00257 
<a name="l00258"></a>00258     var target = [[<span class="keyword">self</span> _representedObject] copy];
<a name="l00259"></a>00259     
<a name="l00260"></a>00260     [target insertObject:anObject atIndex:anIndex];
<a name="l00261"></a>00261     [<span class="keyword">self</span> _setRepresentedObject:target];
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263 
<a name="l00264"></a>00264 - (void)removeLastObject
<a name="l00265"></a>00265 {
<a name="l00266"></a>00266     <span class="keywordflow">if</span>(_remove)
<a name="l00267"></a>00267         <span class="keywordflow">return</span> _remove(_proxyObject, _removeSEL, [<span class="keyword">self</span> count]-1); 
<a name="l00268"></a>00268 
<a name="l00269"></a>00269     var target = [[<span class="keyword">self</span> _representedObject] copy];
<a name="l00270"></a>00270     
<a name="l00271"></a>00271     [target removeLastObject];
<a name="l00272"></a>00272     [<span class="keyword">self</span> _setRepresentedObject:target];
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274 
<a name="l00275"></a>00275 - (void)removeObjectAtIndex:(<span class="keywordtype">unsigned</span>)anIndex
<a name="l00276"></a>00276 {
<a name="l00277"></a>00277     <span class="keywordflow">if</span>(_remove)
<a name="l00278"></a>00278         <span class="keywordflow">return</span> _remove(_proxyObject, _removeSEL, anIndex); 
<a name="l00279"></a>00279 
<a name="l00280"></a>00280     var target = [[<span class="keyword">self</span> _representedObject] copy];
<a name="l00281"></a>00281     
<a name="l00282"></a>00282     [target removeObjectAtIndex:anIndex];
<a name="l00283"></a>00283     [<span class="keyword">self</span> _setRepresentedObject:target];
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285 
<a name="l00286"></a>00286 - (void)replaceObjectAtIndex:(<span class="keywordtype">unsigned</span>)anIndex withObject:(<span class="keywordtype">id</span>)anObject
<a name="l00287"></a>00287 {
<a name="l00288"></a>00288     <span class="keywordflow">if</span>(_replace)
<a name="l00289"></a>00289         <span class="keywordflow">return</span> _replace(_proxyObject, _replaceSEL, anIndex, anObject);
<a name="l00290"></a>00290 
<a name="l00291"></a>00291     var target = [[<span class="keyword">self</span> _representedObject] copy];
<a name="l00292"></a>00292     
<a name="l00293"></a>00293     [target replaceObjectAtIndex:anIndex withObject:anObject];
<a name="l00294"></a>00294     [<span class="keyword">self</span> _setRepresentedObject:target];
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296 
<a name="l00297"></a>00297 <span class="keyword">@end</span>
<a name="l00298"></a>00298 
<a name="l00299"></a>00299 
<a name="l00300"></a>00300 <span class="comment">//KVC on CPArray objects act on each item of the array, rather than on the array itself</span>
<a name="l00301"></a>00301 
<a name="l00302"></a><a class="code" href="class_c_p_array.html">00302</a> <span class="keyword">@implementation </span><a class="code" href="class_c_p_array.html" title="A mutable array backed by a JavaScript Array.A mutable array class backed by a JavaScript...">CPArray</a> (KeyValueCoding)
<a name="l00303"></a>00303 
<a name="l00304"></a><a class="code" href="class_c_p_array.html#a76827ef1e4fae3abb54cf8b199abcf44">00304</a> - (id)valueForKey:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aKey
<a name="l00305"></a>00305 {
<a name="l00306"></a>00306 
<a name="l00307"></a>00307     <span class="keywordflow">if</span> (aKey.indexOf(<span class="stringliteral">&quot;@&quot;</span>) === 0)
<a name="l00308"></a>00308     {
<a name="l00309"></a>00309         <span class="keywordflow">if</span> (aKey.indexOf(<span class="stringliteral">&quot;.&quot;</span>) !== -1)
<a name="l00310"></a>00310             [<a class="code" href="class_c_p_exception.html" title="Used to implement exception handling (creating &amp;amp; raising).">CPException</a> <span class="keyword">raise</span>:<a class="code" href="_c_p_exception_8j.html#a6fa23775ddcbf086beab6aebeea123c3">CPInvalidArgumentException</a> reason:<span class="stringliteral">&quot;called valueForKey: on an array with a complex key (&quot;</span>+aKey+<span class="stringliteral">&quot;). use valueForKeyPath:&quot;</span>];
<a name="l00311"></a>00311 
<a name="l00312"></a>00312         <span class="keywordflow">if</span> (aKey == <span class="stringliteral">&quot;@count&quot;</span>)
<a name="l00313"></a>00313             <span class="keywordflow">return</span> length;
<a name="l00314"></a>00314             
<a name="l00315"></a>00315         <span class="keywordflow">return</span> nil;
<a name="l00316"></a>00316     }
<a name="l00317"></a>00317     <span class="keywordflow">else</span>
<a name="l00318"></a>00318     {
<a name="l00319"></a>00319         var newArray = [],
<a name="l00320"></a>00320             enumerator = [<span class="keyword">self</span> <a class="code" href="class_c_p_array.html#a5d5d6488d823ab32b142a5cc246d288b">objectEnumerator</a>],
<a name="l00321"></a>00321             object;
<a name="l00322"></a>00322             
<a name="l00323"></a>00323         <span class="keywordflow">while</span> ((<span class="keywordtype">object</span> = [enumerator nextObject]) !== nil)
<a name="l00324"></a>00324         {
<a name="l00325"></a>00325             var value = [object valueForKey:aKey];
<a name="l00326"></a>00326             
<a name="l00327"></a>00327             <span class="keywordflow">if</span> (value === nil || value === undefined)
<a name="l00328"></a>00328                 value = [<a class="code" href="class_c_p_null.html" title="An object representation of nil.">CPNull</a> null];
<a name="l00329"></a>00329                 
<a name="l00330"></a>00330             newArray.push(value);
<a name="l00331"></a>00331         }
<a name="l00332"></a>00332         
<a name="l00333"></a>00333         <span class="keywordflow">return</span> newArray;
<a name="l00334"></a>00334     }
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336 
<a name="l00337"></a><a class="code" href="class_c_p_array.html#af7e51f0fc882b6f0487ec23dea538037">00337</a> - (id)valueForKeyPath:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aKeyPath
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339     <span class="keywordflow">if</span> (aKeyPath.indexOf(<span class="stringliteral">&quot;@&quot;</span>) === 0)
<a name="l00340"></a>00340     {            
<a name="l00341"></a>00341         var dotIndex = aKeyPath.indexOf(<span class="stringliteral">&quot;.&quot;</span>),
<a name="l00342"></a>00342             <span class="keyword">operator</span>,
<a name="l00343"></a>00343             parameter;
<a name="l00344"></a>00344         
<a name="l00345"></a>00345         <span class="keywordflow">if</span> (dotIndex !== -1)
<a name="l00346"></a>00346         {
<a name="l00347"></a>00347             operator = aKeyPath.substring(1, dotIndex);
<a name="l00348"></a>00348             parameter = aKeyPath.substring(dotIndex+1);
<a name="l00349"></a>00349         }
<a name="l00350"></a>00350         <span class="keywordflow">else</span>
<a name="l00351"></a>00351             operator = aKeyPath.substring(1);
<a name="l00352"></a>00352 
<a name="l00353"></a>00353         <span class="keywordflow">if</span> (<a class="code" href="_c_p_array_09_k_v_o_8j.html#a5a2305a5e513ca422d045ace05fe907d">kvoOperators</a>[<span class="keyword">operator</span>])
<a name="l00354"></a>00354             <span class="keywordflow">return</span> <a class="code" href="_c_p_array_09_k_v_o_8j.html#a5a2305a5e513ca422d045ace05fe907d">kvoOperators</a>[operator](<span class="keyword">self</span>, _cmd, parameter);
<a name="l00355"></a>00355             
<a name="l00356"></a>00356         <span class="keywordflow">return</span> nil;
<a name="l00357"></a>00357     }
<a name="l00358"></a>00358     <span class="keywordflow">else</span>
<a name="l00359"></a>00359     {
<a name="l00360"></a>00360         var newArray = [],
<a name="l00361"></a>00361             enumerator = [<span class="keyword">self</span> <a class="code" href="class_c_p_array.html#a5d5d6488d823ab32b142a5cc246d288b">objectEnumerator</a>],
<a name="l00362"></a>00362             object;
<a name="l00363"></a>00363             
<a name="l00364"></a>00364         <span class="keywordflow">while</span> ((<span class="keywordtype">object</span> = [enumerator nextObject]) !== nil)
<a name="l00365"></a>00365         {
<a name="l00366"></a>00366             var value = [object valueForKeyPath:aKeyPath];
<a name="l00367"></a>00367             
<a name="l00368"></a>00368             <span class="keywordflow">if</span> (value === nil || value === undefined)
<a name="l00369"></a>00369                 value = [<a class="code" href="class_c_p_null.html" title="An object representation of nil.">CPNull</a> null];
<a name="l00370"></a>00370                 
<a name="l00371"></a>00371             newArray.push(value);
<a name="l00372"></a>00372         }
<a name="l00373"></a>00373         
<a name="l00374"></a>00374         <span class="keywordflow">return</span> newArray;
<a name="l00375"></a>00375     }
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377 
<a name="l00378"></a><a class="code" href="class_c_p_array.html#afc255abcd36c7f5922da107877428f08">00378</a> - (void)setValue:(<span class="keywordtype">id</span>)aValue forKey:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aKey
<a name="l00379"></a>00379 {
<a name="l00380"></a>00380     var enumerator = [<span class="keyword">self</span> <a class="code" href="class_c_p_array.html#a5d5d6488d823ab32b142a5cc246d288b">objectEnumerator</a>],
<a name="l00381"></a>00381         object;
<a name="l00382"></a>00382     
<a name="l00383"></a>00383     <span class="keywordflow">while</span> (<span class="keywordtype">object</span> = [enumerator nextObject])
<a name="l00384"></a>00384         [object setValue:aValue forKey:aKey];
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386 
<a name="l00387"></a><a class="code" href="class_c_p_array.html#a82623751726a8afbceed44924c0ddc32">00387</a> - (void)setValue:(<span class="keywordtype">id</span>)aValue forKeyPath:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aKeyPath
<a name="l00388"></a>00388 {
<a name="l00389"></a>00389     var enumerator = [<span class="keyword">self</span> <a class="code" href="class_c_p_array.html#a5d5d6488d823ab32b142a5cc246d288b">objectEnumerator</a>],
<a name="l00390"></a>00390         object;
<a name="l00391"></a>00391     
<a name="l00392"></a>00392     <span class="keywordflow">while</span> (<span class="keywordtype">object</span> = [enumerator nextObject])
<a name="l00393"></a>00393         [object setValue:aValue forKeyPath:aKeyPath];
<a name="l00394"></a>00394 }
<a name="l00395"></a>00395 
<a name="l00396"></a>00396 
<a name="l00397"></a>00397 <span class="keyword">@end</span>
<a name="l00398"></a>00398 
<a name="l00399"></a><a class="code" href="_c_p_array_09_k_v_o_8j.html#a5a2305a5e513ca422d045ace05fe907d">00399</a> var <a class="code" href="_c_p_array_09_k_v_o_8j.html#a5a2305a5e513ca422d045ace05fe907d">kvoOperators</a> = [];
<a name="l00400"></a>00400 
<a name="l00401"></a>00401 <span class="comment">// HACK: prevent these from becoming globals. workaround for obj-j &quot;function foo(){}&quot; behavior</span>
<a name="l00402"></a><a class="code" href="_c_p_array_09_k_v_o_8j.html#acb5fb8402ec2d2505849ca93bd1fb7bd">00402</a> var <a class="code" href="_c_p_array_09_k_v_o_8j.html#a5bcfdeb99290d2496fcaa26164ed8474">avgOperator</a>, <a class="code" href="_c_p_array_09_k_v_o_8j.html#abc49f2d3a3ace1d413c45361f800996c">maxOperator</a>, <a class="code" href="_c_p_array_09_k_v_o_8j.html#a31d738200759439b82ac6134bb1a714f">minOperator</a>, <a class="code" href="_c_p_array_09_k_v_o_8j.html#ac2b30ba3157a7db751965a8ea4de1d60">countOperator</a>, <a class="code" href="_c_p_array_09_k_v_o_8j.html#acb5fb8402ec2d2505849ca93bd1fb7bd">sumOperator</a>;
<a name="l00403"></a>00403 
<a name="l00404"></a>00404 kvoOperators[&quot;avg&quot;] = function <a class="code" href="_c_p_array_09_k_v_o_8j.html#a5bcfdeb99290d2496fcaa26164ed8474">avgOperator</a>(<span class="keyword">self</span>, _cmd, param)
<a name="l00405"></a>00405 {
<a name="l00406"></a>00406     var objects = [<span class="keyword">self</span> valueForKeyPath:param],
<a name="l00407"></a>00407         length = [objects count],
<a name="l00408"></a>00408         index = length;
<a name="l00409"></a>00409         average = 0.0;
<a name="l00410"></a>00410 
<a name="l00411"></a>00411     <span class="keywordflow">if</span> (!length)
<a name="l00412"></a>00412         <span class="keywordflow">return</span> 0;
<a name="l00413"></a>00413         
<a name="l00414"></a>00414     <span class="keywordflow">while</span>(index--)
<a name="l00415"></a>00415         average += [objects[index] doubleValue];
<a name="l00416"></a>00416 
<a name="l00417"></a>00417     <span class="keywordflow">return</span> average / length;
<a name="l00418"></a>00418 }
<a name="l00419"></a>00419 
<a name="l00420"></a>00420 kvoOperators[&quot;max&quot;] = function <a class="code" href="_c_p_array_09_k_v_o_8j.html#abc49f2d3a3ace1d413c45361f800996c">maxOperator</a>(<span class="keyword">self</span>, _cmd, param)
<a name="l00421"></a>00421 {
<a name="l00422"></a>00422     var objects = [<span class="keyword">self</span> valueForKeyPath:param],
<a name="l00423"></a>00423         index = [objects count] - 1,
<a name="l00424"></a>00424         max = [objects <a class="code" href="class_c_p_array.html#a8ad5370c1285197114b7b2b50928710c">lastObject</a>];
<a name="l00425"></a>00425 
<a name="l00426"></a>00426     <span class="keywordflow">while</span> (index--)
<a name="l00427"></a>00427     {
<a name="l00428"></a>00428         var item = objects[index];
<a name="l00429"></a>00429         <span class="keywordflow">if</span> ([max compare:item] &lt; 0)
<a name="l00430"></a>00430             max = item;
<a name="l00431"></a>00431     }
<a name="l00432"></a>00432 
<a name="l00433"></a>00433     <span class="keywordflow">return</span> max;
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435 
<a name="l00436"></a>00436 kvoOperators[&quot;min&quot;] = function <a class="code" href="_c_p_array_09_k_v_o_8j.html#a31d738200759439b82ac6134bb1a714f">minOperator</a>(<span class="keyword">self</span>, _cmd, param)
<a name="l00437"></a>00437 {
<a name="l00438"></a>00438     var objects = [<span class="keyword">self</span> valueForKeyPath:param],
<a name="l00439"></a>00439         index = [objects count] - 1,
<a name="l00440"></a>00440         min = [objects <a class="code" href="class_c_p_array.html#a8ad5370c1285197114b7b2b50928710c">lastObject</a>];
<a name="l00441"></a>00441 
<a name="l00442"></a>00442     <span class="keywordflow">while</span> (index--)
<a name="l00443"></a>00443     {
<a name="l00444"></a>00444         var item = objects[index];
<a name="l00445"></a>00445         <span class="keywordflow">if</span> ([min compare:item] &gt; 0)
<a name="l00446"></a>00446             min = item;
<a name="l00447"></a>00447     }
<a name="l00448"></a>00448 
<a name="l00449"></a>00449     <span class="keywordflow">return</span> min;
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451 
<a name="l00452"></a>00452 kvoOperators[&quot;count&quot;] = function <a class="code" href="_c_p_array_09_k_v_o_8j.html#ac2b30ba3157a7db751965a8ea4de1d60">countOperator</a>(<span class="keyword">self</span>, _cmd, param)
<a name="l00453"></a>00453 {
<a name="l00454"></a>00454     <span class="keywordflow">return</span> [<span class="keyword">self</span> count];
<a name="l00455"></a>00455 }
<a name="l00456"></a>00456 
<a name="l00457"></a>00457 kvoOperators[&quot;sum&quot;] = function <a class="code" href="_c_p_array_09_k_v_o_8j.html#acb5fb8402ec2d2505849ca93bd1fb7bd">sumOperator</a>(<span class="keyword">self</span>, _cmd, param)
<a name="l00458"></a>00458 {
<a name="l00459"></a>00459     var objects = [<span class="keyword">self</span> valueForKeyPath:param],
<a name="l00460"></a>00460         index = [objects count],
<a name="l00461"></a>00461         sum = 0.0;
<a name="l00462"></a>00462 
<a name="l00463"></a>00463     <span class="keywordflow">while</span>(index--)
<a name="l00464"></a>00464         sum += [objects[index] doubleValue];
<a name="l00465"></a>00465 
<a name="l00466"></a>00466     <span class="keywordflow">return</span> sum;
<a name="l00467"></a>00467 }
<a name="l00468"></a>00468 
<a name="l00469"></a>00469 <span class="keyword">@implementation </span><a class="code" href="class_c_p_array.html" title="A mutable array backed by a JavaScript Array.A mutable array class backed by a JavaScript...">CPArray</a> (KeyValueObserving)
<a name="l00470"></a>00470 
<a name="l00471"></a>00471 - (void)addObserver:(<span class="keywordtype">id</span>)anObserver toObjectsAtIndexes:(<a class="code" href="class_c_p_index_set.html" title="A collection of unique integers.">CPIndexSet</a>)indexes forKeyPath:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aKeyPath options:(<span class="keywordtype">unsigned</span>)options context:(<span class="keywordtype">id</span>)context
<a name="l00472"></a>00472 {
<a name="l00473"></a>00473     var index = [indexes <a class="code" href="class_c_p_index_set.html#abc895f4b5df7bdaf090161db6b234b73">firstIndex</a>];
<a name="l00474"></a>00474     
<a name="l00475"></a>00475     <span class="keywordflow">while</span> (index &gt;= 0)
<a name="l00476"></a>00476     {
<a name="l00477"></a>00477         [<span class="keyword">self</span>[index] addObserver:anObserver forKeyPath:aKeyPath options:options context:context];
<a name="l00478"></a>00478 
<a name="l00479"></a>00479         index = [indexes <a class="code" href="class_c_p_index_set.html#a3f66583eea02c42c2b14e53daf697559">indexGreaterThanIndex</a>:index];
<a name="l00480"></a>00480     }
<a name="l00481"></a>00481 }
<a name="l00482"></a>00482 
<a name="l00483"></a>00483 - (void)removeObserver:(<span class="keywordtype">id</span>)anObserver fromObjectsAtIndexes:(<a class="code" href="class_c_p_index_set.html" title="A collection of unique integers.">CPIndexSet</a>)indexes forKeyPath:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aKeyPath
<a name="l00484"></a>00484 {
<a name="l00485"></a>00485     var index = [indexes <a class="code" href="class_c_p_index_set.html#abc895f4b5df7bdaf090161db6b234b73">firstIndex</a>];
<a name="l00486"></a>00486     
<a name="l00487"></a>00487     <span class="keywordflow">while</span> (index &gt;= 0)
<a name="l00488"></a>00488     {
<a name="l00489"></a>00489         [<span class="keyword">self</span>[index] removeObserver:anObserver forKeyPath:aKeyPath];
<a name="l00490"></a>00490 
<a name="l00491"></a>00491         index = [indexes <a class="code" href="class_c_p_index_set.html#a3f66583eea02c42c2b14e53daf697559">indexGreaterThanIndex</a>:index];
<a name="l00492"></a>00492     }
<a name="l00493"></a>00493 }
<a name="l00494"></a>00494 
<a name="l00495"></a>00495 -(void)addObserver:(<span class="keywordtype">id</span>)observer forKeyPath:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aKeyPath options:(<span class="keywordtype">unsigned</span>)options context:(<span class="keywordtype">id</span>)context
<a name="l00496"></a>00496 {
<a name="l00497"></a>00497     <span class="keywordflow">if</span> ([<a class="code" href="_c_p_array_8j.html#a702f174ccd5ff8e1139f8657a0bba6fd">isa</a> instanceMethodForSelector:_cmd] === [<a class="code" href="class_c_p_array.html" title="A mutable array backed by a JavaScript Array.A mutable array class backed by a JavaScript...">CPArray</a> instanceMethodForSelector:_cmd])
<a name="l00498"></a>00498         [<a class="code" href="class_c_p_exception.html" title="Used to implement exception handling (creating &amp;amp; raising).">CPException</a> <a class="code" href="class_c_p_exception.html#ac8f34bd11868822e26a7b952810128b8">raise</a>:CPInvalidArgumentException <a class="code" href="class_c_p_exception.html#ac8f34bd11868822e26a7b952810128b8">reason</a>:&quot;Unsupported method on CPArray&quot;];
<a name="l00499"></a>00499     <span class="keywordflow">else</span>
<a name="l00500"></a>00500         [<span class="keyword">super</span> addObserver:observer forKeyPath:aKeyPath options:options context:context];
<a name="l00501"></a>00501 }
<a name="l00502"></a>00502 
<a name="l00503"></a>00503 -(void)removeObserver:(<span class="keywordtype">id</span>)observer forKeyPath:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aKeyPath
<a name="l00504"></a>00504 {
<a name="l00505"></a>00505     <span class="keywordflow">if</span> ([<a class="code" href="_c_p_array_8j.html#a702f174ccd5ff8e1139f8657a0bba6fd">isa</a> instanceMethodForSelector:_cmd] === [<a class="code" href="class_c_p_array.html" title="A mutable array backed by a JavaScript Array.A mutable array class backed by a JavaScript...">CPArray</a> instanceMethodForSelector:_cmd])
<a name="l00506"></a>00506         [<a class="code" href="class_c_p_exception.html" title="Used to implement exception handling (creating &amp;amp; raising).">CPException</a> <a class="code" href="class_c_p_exception.html#ac8f34bd11868822e26a7b952810128b8">raise</a>:CPInvalidArgumentException <a class="code" href="class_c_p_exception.html#ac8f34bd11868822e26a7b952810128b8">reason</a>:&quot;Unsupported method on CPArray&quot;];
<a name="l00507"></a>00507     <span class="keywordflow">else</span>
<a name="l00508"></a>00508         [<span class="keyword">super</span> removeObserver:observer forKeyPath:aKeyPath];
<a name="l00509"></a>00509 }
<a name="l00510"></a>00510 
<a name="l00511"></a>00511 <span class="keyword">@end</span>
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