mirror of
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bccef16555
Summary: See title Closes https://github.com/Instagram/IGListKit/pull/1164 Differential Revision: D7838218 Pulled By: rnystrom fbshipit-source-id: f9e1aa63b5d3a846fc155bd010f6d17e27a1b1ab
1054 lines
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1054 lines
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IGListUpdatingDelegate Protocol Reference
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<section>
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<section class="section">
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<h1>IGListUpdatingDelegate</h1>
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<div class="declaration">
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<div class="language">
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<pre class="highlight objective_c"><code><span class="k">@protocol</span> <span class="nc">IGListUpdatingDelegate</span> <span class="o"><</span><span class="n">NSObject</span><span class="o">></span></code></pre>
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</div>
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</div>
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<p>Implement this protocol in order to handle both section and row based update events. Implementation should forward or
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coalesce these events to a backing store or collection.</p>
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</section>
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<section class="section task-group-section">
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<div class="task-group">
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<ul>
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<li class="item">
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<div>
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<code>
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<a name="/c:objc(pl)IGListUpdatingDelegate(im)objectLookupPointerFunctions"></a>
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<a name="//apple_ref/objc/Method/-objectLookupPointerFunctions" class="dashAnchor"></a>
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<a class="token" href="#/c:objc(pl)IGListUpdatingDelegate(im)objectLookupPointerFunctions">-objectLookupPointerFunctions</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Asks the delegate for the pointer functions for looking up an object in a collection.</p>
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<div class="aside aside-note">
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<p class="aside-title">Note</p>
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<p>Since the updating delegate is responsible for transitioning between object sets, it becomes the <q>source of
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truth</q> for how objects and their corresponding section controllers are mapped. This allows the updater to control if
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objects are looked up by pointer, or more traditionally, with <code>-hash</code>/<code>-isEqual</code>.</p>
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</div>
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<p>For behavior similar to <code>NSDictionary</code>, simply return
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<code>+[NSPointerFunctions pointerFunctionsWithOptions:NSPointerFunctionsObjectPersonality]</code>.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Objective-C</p>
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<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="n">nonnull</span> <span class="n">NSPointerFunctions</span> <span class="o">*</span><span class="p">)</span><span class="n">objectLookupPointerFunctions</span><span class="p">;</span></code></pre>
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</div>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">objectLookupPointerFunctions</span><span class="p">()</span> <span class="o">-></span> <span class="kt">NSPointerFunctions</span></code></pre>
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</div>
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</div>
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<div>
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<h4>Return Value</h4>
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<p>Pointer functions for looking up an object in a collection.</p>
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</div>
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</section>
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</div>
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</li>
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<li class="item">
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<div>
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<code>
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<a name="/c:objc(pl)IGListUpdatingDelegate(im)performUpdateWithCollectionView:fromObjects:toObjectsBlock:animated:objectTransitionBlock:completion:"></a>
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<a name="//apple_ref/objc/Method/-performUpdateWithCollectionView:fromObjects:toObjectsBlock:animated:objectTransitionBlock:completion:" class="dashAnchor"></a>
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<a class="token" href="#/c:objc(pl)IGListUpdatingDelegate(im)performUpdateWithCollectionView:fromObjects:toObjectsBlock:animated:objectTransitionBlock:completion:">-performUpdateWithCollectionView:fromObjects:toObjectsBlock:animated:objectTransitionBlock:completion:</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Tells the delegate to perform a section transition from an old array of objects to a new one.</p>
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<div class="aside aside-note">
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<p class="aside-title">Note</p>
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<p>Implementations determine how to transition between objects. You can perform a diff on the objects, reload
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each section, or simply call <code>-reloadData</code> on the collection view. In the end, the collection view must be setup with a
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section for each object in the <code>toObjects</code> array.</p>
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</div>
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<p>The <code>objectTransitionBlock</code> block should be called prior to making any <code>UICollectionView</code> updates, passing in the <code>toObjects</code>
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that the updater is applying.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
|
|
<div class="language">
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<p class="aside-title">Objective-C</p>
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<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="kt">void</span><span class="p">)</span>
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<span class="nf">performUpdateWithCollectionView</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">UICollectionView</span> <span class="o">*</span><span class="p">)</span><span class="nv">collectionView</span>
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<span class="nf">fromObjects</span><span class="p">:</span>
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<span class="p">(</span><span class="n">nullable</span> <span class="n">NSArray</span><span class="o"><</span><span class="n">id</span><span class="o"><</span><span class="n"><a href="../Protocols/IGListDiffable.html">IGListDiffable</a></span><span class="o">>></span> <span class="o">*</span><span class="p">)</span><span class="nv">fromObjects</span>
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<span class="nf">toObjectsBlock</span><span class="p">:(</span><span class="n">nullable</span> <span class="n"><a href="../Type Definitions.html#/c:IGListUpdatingDelegate.h@T@IGListToObjectBlock">IGListToObjectBlock</a></span><span class="p">)</span><span class="nv">toObjectsBlock</span>
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<span class="nf">animated</span><span class="p">:(</span><span class="n">BOOL</span><span class="p">)</span><span class="nv">animated</span>
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<span class="nf">objectTransitionBlock</span><span class="p">:</span>
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<span class="p">(</span><span class="n">nonnull</span> <span class="n"><a href="../Type Definitions.html#/c:IGListUpdatingDelegate.h@T@IGListObjectTransitionBlock">IGListObjectTransitionBlock</a></span><span class="p">)</span><span class="nv">objectTransitionBlock</span>
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<span class="nf">completion</span><span class="p">:(</span><span class="n">nullable</span> <span class="n"><a href="../Type Definitions.html#/c:IGListUpdatingDelegate.h@T@IGListUpdatingCompletion">IGListUpdatingCompletion</a></span><span class="p">)</span><span class="nv">completion</span><span class="p">;</span></code></pre>
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</div>
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</div>
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<div>
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<h4>Parameters</h4>
|
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<table class="graybox">
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<tbody>
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<tr>
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<td>
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<code>
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<em>collectionView</em>
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</code>
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</td>
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<td>
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<div>
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<p>The collection view to perform the transition on.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>fromObjects</em>
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</code>
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</td>
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<td>
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<div>
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<p>The previous objects in the collection view. Objects must conform to <code><a href="../Protocols/IGListDiffable.html">IGListDiffable</a></code>.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>toObjectsBlock</em>
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</code>
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</td>
|
|
<td>
|
|
<div>
|
|
<p>A block returning the new objects in the collection view. Objects must conform to <code><a href="../Protocols/IGListDiffable.html">IGListDiffable</a></code>.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>animated</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>A flag indicating if the transition should be animated.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>objectTransitionBlock</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>A block that must be called when the adapter applies changes to the collection view.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>completion</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>A completion block to execute when the update is finished.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</section>
|
|
</div>
|
|
</li>
|
|
<li class="item">
|
|
<div>
|
|
<code>
|
|
<a name="/c:objc(pl)IGListUpdatingDelegate(im)insertItemsIntoCollectionView:indexPaths:"></a>
|
|
<a name="//apple_ref/objc/Method/-insertItemsIntoCollectionView:indexPaths:" class="dashAnchor"></a>
|
|
<a class="token" href="#/c:objc(pl)IGListUpdatingDelegate(im)insertItemsIntoCollectionView:indexPaths:">-insertItemsIntoCollectionView:indexPaths:</a>
|
|
</code>
|
|
</div>
|
|
<div class="height-container">
|
|
<div class="pointer-container"></div>
|
|
<section class="section">
|
|
<div class="pointer"></div>
|
|
<div class="abstract">
|
|
<p>Tells the delegate to perform item inserts at the given index paths.</p>
|
|
|
|
</div>
|
|
<div class="declaration">
|
|
<h4>Declaration</h4>
|
|
<div class="language">
|
|
<p class="aside-title">Objective-C</p>
|
|
<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="kt">void</span><span class="p">)</span><span class="nf">insertItemsIntoCollectionView</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">UICollectionView</span> <span class="o">*</span><span class="p">)</span><span class="nv">collectionView</span>
|
|
<span class="nf">indexPaths</span><span class="p">:</span>
|
|
<span class="p">(</span><span class="n">nonnull</span> <span class="n">NSArray</span><span class="o"><</span><span class="n">NSIndexPath</span> <span class="o">*></span> <span class="o">*</span><span class="p">)</span><span class="nv">indexPaths</span><span class="p">;</span></code></pre>
|
|
|
|
</div>
|
|
<div class="language">
|
|
<p class="aside-title">Swift</p>
|
|
<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">insertItems</span><span class="p">(</span><span class="n">into</span> <span class="nv">collectionView</span><span class="p">:</span> <span class="kt">UICollectionView</span><span class="p">,</span> <span class="nv">indexPaths</span><span class="p">:</span> <span class="p">[</span><span class="kt">IndexPath</span><span class="p">])</span></code></pre>
|
|
|
|
</div>
|
|
</div>
|
|
<div>
|
|
<h4>Parameters</h4>
|
|
<table class="graybox">
|
|
<tbody>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>collectionView</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The collection view on which to perform the transition.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>indexPaths</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The index paths to insert items into.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</section>
|
|
</div>
|
|
</li>
|
|
<li class="item">
|
|
<div>
|
|
<code>
|
|
<a name="/c:objc(pl)IGListUpdatingDelegate(im)deleteItemsFromCollectionView:indexPaths:"></a>
|
|
<a name="//apple_ref/objc/Method/-deleteItemsFromCollectionView:indexPaths:" class="dashAnchor"></a>
|
|
<a class="token" href="#/c:objc(pl)IGListUpdatingDelegate(im)deleteItemsFromCollectionView:indexPaths:">-deleteItemsFromCollectionView:indexPaths:</a>
|
|
</code>
|
|
</div>
|
|
<div class="height-container">
|
|
<div class="pointer-container"></div>
|
|
<section class="section">
|
|
<div class="pointer"></div>
|
|
<div class="abstract">
|
|
<p>Tells the delegate to perform item deletes at the given index paths.</p>
|
|
|
|
</div>
|
|
<div class="declaration">
|
|
<h4>Declaration</h4>
|
|
<div class="language">
|
|
<p class="aside-title">Objective-C</p>
|
|
<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="kt">void</span><span class="p">)</span><span class="nf">deleteItemsFromCollectionView</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">UICollectionView</span> <span class="o">*</span><span class="p">)</span><span class="nv">collectionView</span>
|
|
<span class="nf">indexPaths</span><span class="p">:</span>
|
|
<span class="p">(</span><span class="n">nonnull</span> <span class="n">NSArray</span><span class="o"><</span><span class="n">NSIndexPath</span> <span class="o">*></span> <span class="o">*</span><span class="p">)</span><span class="nv">indexPaths</span><span class="p">;</span></code></pre>
|
|
|
|
</div>
|
|
<div class="language">
|
|
<p class="aside-title">Swift</p>
|
|
<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">deleteItems</span><span class="p">(</span><span class="n">from</span> <span class="nv">collectionView</span><span class="p">:</span> <span class="kt">UICollectionView</span><span class="p">,</span> <span class="nv">indexPaths</span><span class="p">:</span> <span class="p">[</span><span class="kt">IndexPath</span><span class="p">])</span></code></pre>
|
|
|
|
</div>
|
|
</div>
|
|
<div>
|
|
<h4>Parameters</h4>
|
|
<table class="graybox">
|
|
<tbody>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>collectionView</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The collection view on which to perform the transition.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>indexPaths</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The index paths to delete items from.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</section>
|
|
</div>
|
|
</li>
|
|
<li class="item">
|
|
<div>
|
|
<code>
|
|
<a name="/c:objc(pl)IGListUpdatingDelegate(im)moveItemInCollectionView:fromIndexPath:toIndexPath:"></a>
|
|
<a name="//apple_ref/objc/Method/-moveItemInCollectionView:fromIndexPath:toIndexPath:" class="dashAnchor"></a>
|
|
<a class="token" href="#/c:objc(pl)IGListUpdatingDelegate(im)moveItemInCollectionView:fromIndexPath:toIndexPath:">-moveItemInCollectionView:fromIndexPath:toIndexPath:</a>
|
|
</code>
|
|
</div>
|
|
<div class="height-container">
|
|
<div class="pointer-container"></div>
|
|
<section class="section">
|
|
<div class="pointer"></div>
|
|
<div class="abstract">
|
|
<p>Tells the delegate to move an item from and to given index paths.</p>
|
|
|
|
</div>
|
|
<div class="declaration">
|
|
<h4>Declaration</h4>
|
|
<div class="language">
|
|
<p class="aside-title">Objective-C</p>
|
|
<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="kt">void</span><span class="p">)</span><span class="nf">moveItemInCollectionView</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">UICollectionView</span> <span class="o">*</span><span class="p">)</span><span class="nv">collectionView</span>
|
|
<span class="nf">fromIndexPath</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">NSIndexPath</span> <span class="o">*</span><span class="p">)</span><span class="nv">fromIndexPath</span>
|
|
<span class="nf">toIndexPath</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">NSIndexPath</span> <span class="o">*</span><span class="p">)</span><span class="nv">toIndexPath</span><span class="p">;</span></code></pre>
|
|
|
|
</div>
|
|
<div class="language">
|
|
<p class="aside-title">Swift</p>
|
|
<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">moveItem</span><span class="p">(</span><span class="k">in</span> <span class="nv">collectionView</span><span class="p">:</span> <span class="kt">UICollectionView</span><span class="p">,</span> <span class="n">from</span> <span class="nv">fromIndexPath</span><span class="p">:</span> <span class="kt">IndexPath</span><span class="p">,</span> <span class="n">to</span> <span class="nv">toIndexPath</span><span class="p">:</span> <span class="kt">IndexPath</span><span class="p">)</span></code></pre>
|
|
|
|
</div>
|
|
</div>
|
|
<div>
|
|
<h4>Parameters</h4>
|
|
<table class="graybox">
|
|
<tbody>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>collectionView</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The collection view on which to perform the transition.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>fromIndexPath</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The source index path of the item to move.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>toIndexPath</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The destination index path of the item to move.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</section>
|
|
</div>
|
|
</li>
|
|
<li class="item">
|
|
<div>
|
|
<code>
|
|
<a name="/c:objc(pl)IGListUpdatingDelegate(im)reloadItemInCollectionView:fromIndexPath:toIndexPath:"></a>
|
|
<a name="//apple_ref/objc/Method/-reloadItemInCollectionView:fromIndexPath:toIndexPath:" class="dashAnchor"></a>
|
|
<a class="token" href="#/c:objc(pl)IGListUpdatingDelegate(im)reloadItemInCollectionView:fromIndexPath:toIndexPath:">-reloadItemInCollectionView:fromIndexPath:toIndexPath:</a>
|
|
</code>
|
|
</div>
|
|
<div class="height-container">
|
|
<div class="pointer-container"></div>
|
|
<section class="section">
|
|
<div class="pointer"></div>
|
|
<div class="abstract">
|
|
<p>Tells the delegate to reload an item from and to given index paths.</p>
|
|
<div class="aside aside-note">
|
|
<p class="aside-title">Note</p>
|
|
<p>Since UICollectionView is unable to handle calling -[UICollectionView reloadItemsAtIndexPaths:] safely while also
|
|
executing insert and delete operations in the same batch updates, the updater must know about the origin and
|
|
destination of the reload to perform a safe transition.</p>
|
|
|
|
</div>
|
|
|
|
</div>
|
|
<div class="declaration">
|
|
<h4>Declaration</h4>
|
|
<div class="language">
|
|
<p class="aside-title">Objective-C</p>
|
|
<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="kt">void</span><span class="p">)</span><span class="nf">reloadItemInCollectionView</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">UICollectionView</span> <span class="o">*</span><span class="p">)</span><span class="nv">collectionView</span>
|
|
<span class="nf">fromIndexPath</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">NSIndexPath</span> <span class="o">*</span><span class="p">)</span><span class="nv">fromIndexPath</span>
|
|
<span class="nf">toIndexPath</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">NSIndexPath</span> <span class="o">*</span><span class="p">)</span><span class="nv">toIndexPath</span><span class="p">;</span></code></pre>
|
|
|
|
</div>
|
|
<div class="language">
|
|
<p class="aside-title">Swift</p>
|
|
<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">reloadItem</span><span class="p">(</span><span class="k">in</span> <span class="nv">collectionView</span><span class="p">:</span> <span class="kt">UICollectionView</span><span class="p">,</span> <span class="n">from</span> <span class="nv">fromIndexPath</span><span class="p">:</span> <span class="kt">IndexPath</span><span class="p">,</span> <span class="n">to</span> <span class="nv">toIndexPath</span><span class="p">:</span> <span class="kt">IndexPath</span><span class="p">)</span></code></pre>
|
|
|
|
</div>
|
|
</div>
|
|
<div>
|
|
<h4>Parameters</h4>
|
|
<table class="graybox">
|
|
<tbody>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>collectionView</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The collection view on which to perform the transition.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>fromIndexPath</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The source index path of the item to reload.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>toIndexPath</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The destination index path of the item to reload.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</section>
|
|
</div>
|
|
</li>
|
|
<li class="item">
|
|
<div>
|
|
<code>
|
|
<a name="/c:objc(pl)IGListUpdatingDelegate(im)moveSectionInCollectionView:fromIndex:toIndex:"></a>
|
|
<a name="//apple_ref/objc/Method/-moveSectionInCollectionView:fromIndex:toIndex:" class="dashAnchor"></a>
|
|
<a class="token" href="#/c:objc(pl)IGListUpdatingDelegate(im)moveSectionInCollectionView:fromIndex:toIndex:">-moveSectionInCollectionView:fromIndex:toIndex:</a>
|
|
</code>
|
|
</div>
|
|
<div class="height-container">
|
|
<div class="pointer-container"></div>
|
|
<section class="section">
|
|
<div class="pointer"></div>
|
|
<div class="abstract">
|
|
<p>Tells the delegate to move a section from and to given indexes.</p>
|
|
|
|
</div>
|
|
<div class="declaration">
|
|
<h4>Declaration</h4>
|
|
<div class="language">
|
|
<p class="aside-title">Objective-C</p>
|
|
<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="kt">void</span><span class="p">)</span><span class="nf">moveSectionInCollectionView</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">UICollectionView</span> <span class="o">*</span><span class="p">)</span><span class="nv">collectionView</span>
|
|
<span class="nf">fromIndex</span><span class="p">:(</span><span class="n">NSInteger</span><span class="p">)</span><span class="nv">fromIndex</span>
|
|
<span class="nf">toIndex</span><span class="p">:(</span><span class="n">NSInteger</span><span class="p">)</span><span class="nv">toIndex</span><span class="p">;</span></code></pre>
|
|
|
|
</div>
|
|
<div class="language">
|
|
<p class="aside-title">Swift</p>
|
|
<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">moveSection</span><span class="p">(</span><span class="k">in</span> <span class="nv">collectionView</span><span class="p">:</span> <span class="kt">UICollectionView</span><span class="p">,</span> <span class="n">from</span> <span class="nv">fromIndex</span><span class="p">:</span> <span class="kt">Int</span><span class="p">,</span> <span class="n">to</span> <span class="nv">toIndex</span><span class="p">:</span> <span class="kt">Int</span><span class="p">)</span></code></pre>
|
|
|
|
</div>
|
|
</div>
|
|
<div>
|
|
<h4>Parameters</h4>
|
|
<table class="graybox">
|
|
<tbody>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>collectionView</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The collection view on which to perform the transition.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>fromIndex</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The source index of the section to move.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>toIndex</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The destination index of the section to move.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</section>
|
|
</div>
|
|
</li>
|
|
<li class="item">
|
|
<div>
|
|
<code>
|
|
<a name="/c:objc(pl)IGListUpdatingDelegate(im)reloadDataWithCollectionView:reloadUpdateBlock:completion:"></a>
|
|
<a name="//apple_ref/objc/Method/-reloadDataWithCollectionView:reloadUpdateBlock:completion:" class="dashAnchor"></a>
|
|
<a class="token" href="#/c:objc(pl)IGListUpdatingDelegate(im)reloadDataWithCollectionView:reloadUpdateBlock:completion:">-reloadDataWithCollectionView:reloadUpdateBlock:completion:</a>
|
|
</code>
|
|
</div>
|
|
<div class="height-container">
|
|
<div class="pointer-container"></div>
|
|
<section class="section">
|
|
<div class="pointer"></div>
|
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<div class="abstract">
|
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<p>Completely reload data in the collection.</p>
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|
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</div>
|
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<div class="declaration">
|
|
<h4>Declaration</h4>
|
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<div class="language">
|
|
<p class="aside-title">Objective-C</p>
|
|
<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="kt">void</span><span class="p">)</span>
|
|
<span class="nf">reloadDataWithCollectionView</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">UICollectionView</span> <span class="o">*</span><span class="p">)</span><span class="nv">collectionView</span>
|
|
<span class="nf">reloadUpdateBlock</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n"><a href="../Type Definitions.html#/c:IGListUpdatingDelegate.h@T@IGListReloadUpdateBlock">IGListReloadUpdateBlock</a></span><span class="p">)</span><span class="nv">reloadUpdateBlock</span>
|
|
<span class="nf">completion</span><span class="p">:(</span><span class="n">nullable</span> <span class="n"><a href="../Type Definitions.html#/c:IGListUpdatingDelegate.h@T@IGListUpdatingCompletion">IGListUpdatingCompletion</a></span><span class="p">)</span><span class="nv">completion</span><span class="p">;</span></code></pre>
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|
|
|
</div>
|
|
<div class="language">
|
|
<p class="aside-title">Swift</p>
|
|
<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">reloadData</span><span class="p">(</span><span class="n">with</span> <span class="nv">collectionView</span><span class="p">:</span> <span class="kt">UICollectionView</span><span class="p">,</span> <span class="n">reloadUpdate</span> <span class="nv">reloadUpdateBlock</span><span class="p">:</span> <span class="kd">@escaping</span> <span class="kt">ListReloadUpdateBlock</span><span class="p">,</span> <span class="nv">completion</span><span class="p">:</span> <span class="kt">ListUpdatingCompletion</span><span class="p">?</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">)</span></code></pre>
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</div>
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</div>
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<div>
|
|
<h4>Parameters</h4>
|
|
<table class="graybox">
|
|
<tbody>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>collectionView</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The collection view to reload.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>reloadUpdateBlock</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>A block that must be called when the adapter reloads the collection view.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>completion</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>A completion block to execute when the reload is finished.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</section>
|
|
</div>
|
|
</li>
|
|
<li class="item">
|
|
<div>
|
|
<code>
|
|
<a name="/c:objc(pl)IGListUpdatingDelegate(im)reloadCollectionView:sections:"></a>
|
|
<a name="//apple_ref/objc/Method/-reloadCollectionView:sections:" class="dashAnchor"></a>
|
|
<a class="token" href="#/c:objc(pl)IGListUpdatingDelegate(im)reloadCollectionView:sections:">-reloadCollectionView:sections:</a>
|
|
</code>
|
|
</div>
|
|
<div class="height-container">
|
|
<div class="pointer-container"></div>
|
|
<section class="section">
|
|
<div class="pointer"></div>
|
|
<div class="abstract">
|
|
<p>Completely reload each section in the collection view.</p>
|
|
|
|
</div>
|
|
<div class="declaration">
|
|
<h4>Declaration</h4>
|
|
<div class="language">
|
|
<p class="aside-title">Objective-C</p>
|
|
<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="kt">void</span><span class="p">)</span><span class="nf">reloadCollectionView</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">UICollectionView</span> <span class="o">*</span><span class="p">)</span><span class="nv">collectionView</span>
|
|
<span class="nf">sections</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">NSIndexSet</span> <span class="o">*</span><span class="p">)</span><span class="nv">sections</span><span class="p">;</span></code></pre>
|
|
|
|
</div>
|
|
<div class="language">
|
|
<p class="aside-title">Swift</p>
|
|
<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">reload</span><span class="p">(</span><span class="n">_</span> <span class="nv">collectionView</span><span class="p">:</span> <span class="kt">UICollectionView</span><span class="p">,</span> <span class="nv">sections</span><span class="p">:</span> <span class="kt">IndexSet</span><span class="p">)</span></code></pre>
|
|
|
|
</div>
|
|
</div>
|
|
<div>
|
|
<h4>Parameters</h4>
|
|
<table class="graybox">
|
|
<tbody>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>collectionView</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The collection view to reload.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>sections</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The sections to reload.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</section>
|
|
</div>
|
|
</li>
|
|
<li class="item">
|
|
<div>
|
|
<code>
|
|
<a name="/c:objc(pl)IGListUpdatingDelegate(im)performUpdateWithCollectionView:animated:itemUpdates:completion:"></a>
|
|
<a name="//apple_ref/objc/Method/-performUpdateWithCollectionView:animated:itemUpdates:completion:" class="dashAnchor"></a>
|
|
<a class="token" href="#/c:objc(pl)IGListUpdatingDelegate(im)performUpdateWithCollectionView:animated:itemUpdates:completion:">-performUpdateWithCollectionView:animated:itemUpdates:completion:</a>
|
|
</code>
|
|
</div>
|
|
<div class="height-container">
|
|
<div class="pointer-container"></div>
|
|
<section class="section">
|
|
<div class="pointer"></div>
|
|
<div class="abstract">
|
|
<p>Perform an item update block in the collection view.</p>
|
|
|
|
</div>
|
|
<div class="declaration">
|
|
<h4>Declaration</h4>
|
|
<div class="language">
|
|
<p class="aside-title">Objective-C</p>
|
|
<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="kt">void</span><span class="p">)</span>
|
|
<span class="nf">performUpdateWithCollectionView</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">UICollectionView</span> <span class="o">*</span><span class="p">)</span><span class="nv">collectionView</span>
|
|
<span class="nf">animated</span><span class="p">:(</span><span class="n">BOOL</span><span class="p">)</span><span class="nv">animated</span>
|
|
<span class="nf">itemUpdates</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n"><a href="../Type Definitions.html#/c:IGListUpdatingDelegate.h@T@IGListItemUpdateBlock">IGListItemUpdateBlock</a></span><span class="p">)</span><span class="nv">itemUpdates</span>
|
|
<span class="nf">completion</span><span class="p">:(</span><span class="n">nullable</span> <span class="n"><a href="../Type Definitions.html#/c:IGListUpdatingDelegate.h@T@IGListUpdatingCompletion">IGListUpdatingCompletion</a></span><span class="p">)</span><span class="nv">completion</span><span class="p">;</span></code></pre>
|
|
|
|
</div>
|
|
<div class="language">
|
|
<p class="aside-title">Swift</p>
|
|
<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">performUpdate</span><span class="p">(</span><span class="n">with</span> <span class="nv">collectionView</span><span class="p">:</span> <span class="kt">UICollectionView</span><span class="p">,</span> <span class="nv">animated</span><span class="p">:</span> <span class="kt">Bool</span><span class="p">,</span> <span class="nv">itemUpdates</span><span class="p">:</span> <span class="kd">@escaping</span> <span class="kt">ListItemUpdateBlock</span><span class="p">,</span> <span class="nv">completion</span><span class="p">:</span> <span class="kt">ListUpdatingCompletion</span><span class="p">?</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">)</span></code></pre>
|
|
|
|
</div>
|
|
</div>
|
|
<div>
|
|
<h4>Parameters</h4>
|
|
<table class="graybox">
|
|
<tbody>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>collectionView</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>The collection view to update.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>animated</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>A flag indicating if the transition should be animated.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>itemUpdates</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>A block containing all of the updates.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<code>
|
|
<em>completion</em>
|
|
</code>
|
|
</td>
|
|
<td>
|
|
<div>
|
|
<p>A completion block to execute when the update is finished.</p>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</section>
|
|
</div>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
</section>
|
|
</section>
|
|
<section id="footer">
|
|
<p>© 2018 <a class="link" href="https://twitter.com/fbOpenSource" target="_blank" rel="external">Instagram</a>. All rights reserved. (Last updated: 2018-05-01)</p>
|
|
<p>Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external">jazzy ♪♫ v0.9.1</a>, a <a class="link" href="http://realm.io" target="_blank" rel="external">Realm</a> project.</p>
|
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</section>
|
|
</article>
|
|
</div>
|
|
</body>
|
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</div>
|
|
</html>
|