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758 lines
21 KiB
HTML
Executable File
758 lines
21 KiB
HTML
Executable File
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>ASTableDelegate Protocol Reference</title>
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<link rel="stylesheet" href="../css/style.css">
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<meta name="viewport" content="initial-scale=1, maximum-scale=1.4">
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<meta name="generator" content="appledoc 2.2.1 (build 1334)">
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<body class="appledoc">
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<header>
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<div class="container" class="hide-in-xcode">
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<h1 id="library-title">
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<a href="../index.html"> </a>
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</h1>
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<p id="developer-home">
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<a href="../index.html">AsyncDisplayKit</a>
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</p>
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</header>
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<aside>
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<div class="container">
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<nav>
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<ul id="header-buttons" role="toolbar">
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<li><a href="../index.html">Index</a></li>
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<li><a href="../hierarchy.html">Hierarchy</a></li>
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<li id="on-this-page" role="navigation">
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<label>
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On This Page
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<div class="chevron">
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<div class="chevy chevron-left"></div>
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<div class="chevy chevron-right"></div>
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<select id="jump-to">
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<option value="top">Jump To…</option>
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<option value="overview">Overview</option>
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<option value="tasks">Tasks</option>
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<optgroup label="Instance Methods">
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<option value="//api/name/shouldBatchFetchForTableNode:">- shouldBatchFetchForTableNode:</option>
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<option value="//api/name/shouldBatchFetchForTableView:">- shouldBatchFetchForTableView:</option>
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<option value="//api/name/tableNode:constrainedSizeForRowAtIndexPath:">- tableNode:constrainedSizeForRowAtIndexPath:</option>
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<option value="//api/name/tableNode:willBeginBatchFetchWithContext:">- tableNode:willBeginBatchFetchWithContext:</option>
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<option value="//api/name/tableView:constrainedSizeForRowAtIndexPath:">- tableView:constrainedSizeForRowAtIndexPath:</option>
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<option value="//api/name/tableView:didEndDisplayingNode:forRowAtIndexPath:">- tableView:didEndDisplayingNode:forRowAtIndexPath:</option>
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<option value="//api/name/tableView:willBeginBatchFetchWithContext:">- tableView:willBeginBatchFetchWithContext:</option>
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<option value="//api/name/tableView:willDisplayNode:forRowAtIndexPath:">- tableView:willDisplayNode:forRowAtIndexPath:</option>
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<option value="//api/name/tableView:willDisplayNodeForRowAtIndexPath:">- tableView:willDisplayNodeForRowAtIndexPath:</option>
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</optgroup>
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</select>
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</label>
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</li>
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</ul>
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</nav>
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</div>
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</aside>
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<article>
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<div id="overview_contents" class="container">
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<div id="content">
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<main role="main">
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<h1 class="title">ASTableDelegate Protocol Reference</h1>
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<div class="section section-specification"><table cellspacing="0"><tbody>
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<tr>
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<th>Conforms to</th>
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<td><a href="../Protocols/ASCommonTableViewDelegate.html">ASCommonTableViewDelegate</a><br />NSObject</td>
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</tr><tr>
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<th>Declared in</th>
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<td>ASTableNode.h</td>
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</tr>
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</tbody></table></div>
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<div class="section section-overview">
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<a title="Overview" name="overview"></a>
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<h2 class="subtitle subtitle-overview">Overview</h2>
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<p>This is a node-based UITableViewDelegate.</p>
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<p>Note that -tableView:heightForRowAtIndexPath: has been removed; instead, your custom ASCellNode subclasses are
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responsible for deciding their preferred onscreen height in -calculateSizeThatFits:.</p>
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</div>
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<div class="section section-tasks">
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<a title="Tasks" name="tasks"></a>
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<div class="task-list">
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<div class="section-method">
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<a name="//api/name/tableNode:constrainedSizeForRowAtIndexPath:" title="tableNode:constrainedSizeForRowAtIndexPath:"></a>
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<h3 class="method-title"><code><a href="#//api/name/tableNode:constrainedSizeForRowAtIndexPath:">– tableNode:constrainedSizeForRowAtIndexPath:</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Provides the constrained size range for measuring the row at the index path.
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Note: the widths in the returned size range are ignored!</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (ASSizeRange)tableNode:(ASTableNode *)<em>tableNode</em> constrainedSizeForRowAtIndexPath:(NSIndexPath *)<em>indexPath</em></code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<table class="argument-def parameter-def">
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<tr>
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<th scope="row" class="argument-name"><code>tableNode</code></th>
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<td><p>The sender.</p></td>
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</tr>
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<tr>
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<th scope="row" class="argument-name"><code>indexPath</code></th>
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<td><p>The index path of the node.</p></td>
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</tr>
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</table>
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</div>
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<div class="method-subsection return">
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<h4 class="method-subtitle parameter-title">Return Value</h4>
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<p>A constrained size range for layout the node at this index path.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASTableNode.h</code></p>
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</div>
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</div>
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</div>
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</div><div class="section-method">
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<a name="//api/name/tableNode:willBeginBatchFetchWithContext:" title="tableNode:willBeginBatchFetchWithContext:"></a>
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<h3 class="method-title"><code><a href="#//api/name/tableNode:willBeginBatchFetchWithContext:">– tableNode:willBeginBatchFetchWithContext:</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Receive a message that the tableView is near the end of its data set and more data should be fetched if necessary.</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (void)tableNode:(ASTableNode *)<em>tableNode</em> willBeginBatchFetchWithContext:(ASBatchContext *)<em>context</em></code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<table class="argument-def parameter-def">
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<tr>
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<th scope="row" class="argument-name"><code>context</code></th>
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<td><p>A context object that must be notified when the batch fetch is completed.</p></td>
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</tr>
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<tr>
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<th scope="row" class="argument-name"><code>tableView</code></th>
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<td><p>The sender.</p></td>
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</tr>
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</table>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<p>You must eventually call -completeBatchFetching: with an argument of YES in order to receive future
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notifications to do batch fetches. This method is called on a background queue.</p>
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<p>ASTableView currently only supports batch events for tail loads. If you require a head load, consider implementing a
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UIRefreshControl.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASTableNode.h</code></p>
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</div>
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</div>
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</div>
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</div><div class="section-method">
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<a name="//api/name/shouldBatchFetchForTableNode:" title="shouldBatchFetchForTableNode:"></a>
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<h3 class="method-title"><code><a href="#//api/name/shouldBatchFetchForTableNode:">– shouldBatchFetchForTableNode:</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Tell the tableView if batch fetching should begin.</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (BOOL)shouldBatchFetchForTableNode:(ASTableNode *)<em>tableNode</em></code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<table class="argument-def parameter-def">
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<tr>
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<th scope="row" class="argument-name"><code>tableView</code></th>
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<td><p>The sender.</p></td>
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</tr>
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</table>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<p>Use this method to conditionally fetch batches. Example use cases are: limiting the total number of
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objects that can be fetched or no network connection.</p>
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<p>If not implemented, the tableView assumes that it should notify its asyncDelegate when batch fetching
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should occur.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASTableNode.h</code></p>
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</div>
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</div>
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</div>
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</div><div class="section-method">
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<a name="//api/name/tableView:willDisplayNode:forRowAtIndexPath:" title="tableView:willDisplayNode:forRowAtIndexPath:"></a>
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<h3 class="method-title"><code><a href="#//api/name/tableView:willDisplayNode:forRowAtIndexPath:">– tableView:willDisplayNode:forRowAtIndexPath:</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Informs the delegate that the table view will add the given node
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at the given index path to the view hierarchy.</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (void)tableView:(ASTableView *)<em>tableView</em> willDisplayNode:(ASCellNode *)<em>node</em> forRowAtIndexPath:(NSIndexPath *)<em>indexPath</em></code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<table class="argument-def parameter-def">
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<tr>
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<th scope="row" class="argument-name"><code>tableView</code></th>
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<td><p>The sender.</p></td>
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</tr>
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<tr>
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<th scope="row" class="argument-name"><code>node</code></th>
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<td><p>The node that will be displayed.</p></td>
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</tr>
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<tr>
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<th scope="row" class="argument-name"><code>indexPath</code></th>
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<td><p>The index path of the row that will be displayed.</p></td>
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</tr>
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</table>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<div class="warning"><p><strong>Warning:</strong> AsyncDisplayKit processes table view edits asynchronously. The index path
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passed into this method may not correspond to the same item in your data source
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if your data source has been updated since the last edit was processed.</p></div>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASTableNode.h</code></p>
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</div>
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</div>
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</div>
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</div><div class="section-method">
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<a name="//api/name/tableView:didEndDisplayingNode:forRowAtIndexPath:" title="tableView:didEndDisplayingNode:forRowAtIndexPath:"></a>
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<h3 class="method-title"><code><a href="#//api/name/tableView:didEndDisplayingNode:forRowAtIndexPath:">– tableView:didEndDisplayingNode:forRowAtIndexPath:</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Informs the delegate that the table view did remove the provided node from the view hierarchy.
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This may be caused by the node scrolling out of view, or by deleting the row
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or its containing section with @c deleteRowsAtIndexPaths:withRowAnimation: or @c deleteSections:withRowAnimation: .</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (void)tableView:(ASTableView *)<em>tableView</em> didEndDisplayingNode:(ASCellNode *)<em>node</em> forRowAtIndexPath:(NSIndexPath *)<em>indexPath</em></code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<table class="argument-def parameter-def">
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<tr>
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<th scope="row" class="argument-name"><code>tableView</code></th>
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<td><p>The sender.</p></td>
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</tr>
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<tr>
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<th scope="row" class="argument-name"><code>node</code></th>
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<td><p>The node which was removed from the view hierarchy.</p></td>
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</tr>
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<tr>
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<th scope="row" class="argument-name"><code>indexPath</code></th>
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<td><p>The index path at which the node was located before the removal.</p></td>
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</tr>
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</table>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<div class="warning"><p><strong>Warning:</strong> AsyncDisplayKit processes table view edits asynchronously. The index path
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passed into this method may not correspond to the same item in your data source
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if your data source has been updated since the last edit was processed.</p></div>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASTableNode.h</code></p>
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</div>
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</div>
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</div>
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</div><div class="section-method">
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<a name="//api/name/tableView:willBeginBatchFetchWithContext:" title="tableView:willBeginBatchFetchWithContext:"></a>
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<h3 class="method-title"><code><a href="#//api/name/tableView:willBeginBatchFetchWithContext:">– tableView:willBeginBatchFetchWithContext:</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Receive a message that the tableView is near the end of its data set and more data should be fetched if necessary.</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (void)tableView:(ASTableView *)<em>tableView</em> willBeginBatchFetchWithContext:(ASBatchContext *)<em>context</em></code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<table class="argument-def parameter-def">
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<tr>
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<th scope="row" class="argument-name"><code>tableView</code></th>
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<td><p>The sender.</p></td>
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</tr>
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<tr>
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<th scope="row" class="argument-name"><code>context</code></th>
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<td><p>A context object that must be notified when the batch fetch is completed.</p></td>
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</tr>
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</table>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<p>You must eventually call -completeBatchFetching: with an argument of YES in order to receive future
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notifications to do batch fetches. This method is called on a background queue.</p>
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<p>ASTableView currently only supports batch events for tail loads. If you require a head load, consider implementing a
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UIRefreshControl.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASTableNode.h</code></p>
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</div>
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</div>
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</div>
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</div><div class="section-method">
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<a name="//api/name/shouldBatchFetchForTableView:" title="shouldBatchFetchForTableView:"></a>
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<h3 class="method-title"><code><a href="#//api/name/shouldBatchFetchForTableView:">– shouldBatchFetchForTableView:</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Tell the tableView if batch fetching should begin.</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (BOOL)shouldBatchFetchForTableView:(ASTableView *)<em>tableView</em></code></div>
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<div class="method-subsection arguments-section parameters">
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<h4 class="method-subtitle parameter-title">Parameters</h4>
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<table class="argument-def parameter-def">
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<tr>
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<th scope="row" class="argument-name"><code>tableView</code></th>
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<td><p>The sender.</p></td>
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</tr>
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</table>
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</div>
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<div class="method-subsection discussion-section">
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<h4 class="method-subtitle">Discussion</h4>
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<p>Use this method to conditionally fetch batches. Example use cases are: limiting the total number of
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objects that can be fetched or no network connection.</p>
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<p>If not implemented, the tableView assumes that it should notify its asyncDelegate when batch fetching
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should occur.</p>
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</div>
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<div class="method-subsection declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASTableNode.h</code></p>
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</div>
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</div>
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</div>
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</div><div class="section-method">
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<a name="//api/name/tableView:constrainedSizeForRowAtIndexPath:" title="tableView:constrainedSizeForRowAtIndexPath:"></a>
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<h3 class="method-title"><code><a href="#//api/name/tableView:constrainedSizeForRowAtIndexPath:">– tableView:constrainedSizeForRowAtIndexPath:</a></code>
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</h3>
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<div class="method-info">
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<div class="pointy-thing"></div>
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<div class="method-info-container">
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<div class="method-subsection brief-description">
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<p>Provides the constrained size range for measuring the row at the index path.
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Note: the widths in the returned size range are ignored!</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (ASSizeRange)tableView:(ASTableView *)<em>tableView</em> constrainedSizeForRowAtIndexPath:(NSIndexPath *)<em>indexPath</em></code></div>
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<div class="method-subsection arguments-section parameters">
|
|
<h4 class="method-subtitle parameter-title">Parameters</h4>
|
|
<table class="argument-def parameter-def">
|
|
|
|
<tr>
|
|
<th scope="row" class="argument-name"><code>tableView</code></th>
|
|
<td><p>The sender.</p></td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<th scope="row" class="argument-name"><code>indexPath</code></th>
|
|
<td><p>The index path of the node.</p></td>
|
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</tr>
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</table>
|
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</div>
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<div class="method-subsection return">
|
|
<h4 class="method-subtitle parameter-title">Return Value</h4>
|
|
<p>A constrained size range for layout the node at this index path.</p>
|
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</div>
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<div class="method-subsection declared-in-section">
|
|
<h4 class="method-subtitle">Declared In</h4>
|
|
<p><code class="declared-in-ref">ASTableNode.h</code></p>
|
|
</div>
|
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</div>
|
|
</div>
|
|
</div><div class="section-method">
|
|
<a name="//api/name/tableView:willDisplayNodeForRowAtIndexPath:" title="tableView:willDisplayNodeForRowAtIndexPath:"></a>
|
|
<h3 class="method-title"><code><a href="#//api/name/tableView:willDisplayNodeForRowAtIndexPath:">– tableView:willDisplayNodeForRowAtIndexPath:</a></code>
|
|
</h3>
|
|
|
|
<div class="method-info">
|
|
<div class="pointy-thing"></div>
|
|
|
|
<div class="method-info-container">
|
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|
|
|
|
<div class="method-subsection brief-description">
|
|
<p>Informs the delegate that the table view will add the node
|
|
at the given index path to the view hierarchy.</p>
|
|
</div>
|
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|
|
<div class="method-subsection method-declaration"><code>- (void)tableView:(ASTableView *)<em>tableView</em> willDisplayNodeForRowAtIndexPath:(NSIndexPath *)<em>indexPath</em></code></div>
|
|
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|
|
<div class="method-subsection arguments-section parameters">
|
|
<h4 class="method-subtitle parameter-title">Parameters</h4>
|
|
<table class="argument-def parameter-def">
|
|
|
|
<tr>
|
|
<th scope="row" class="argument-name"><code>tableView</code></th>
|
|
<td><p>The sender.</p></td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<th scope="row" class="argument-name"><code>indexPath</code></th>
|
|
<td><p>The index path of the row that will be displayed.</p></td>
|
|
</tr>
|
|
|
|
</table>
|
|
</div>
|
|
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|
|
<div class="method-subsection discussion-section">
|
|
<h4 class="method-subtitle">Discussion</h4>
|
|
<div class="warning"><p><strong>Warning:</strong> AsyncDisplayKit processes table view edits asynchronously. The index path
|
|
passed into this method may not correspond to the same item in your data source
|
|
if your data source has been updated since the last edit was processed.</p>
|
|
|
|
<p>This method is deprecated. Use @c tableView:willDisplayNode:forRowAtIndexPath: instead.</p></div>
|
|
</div>
|
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|
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|
|
|
<div class="method-subsection declared-in-section">
|
|
<h4 class="method-subtitle">Declared In</h4>
|
|
<p><code class="declared-in-ref">ASTableNode.h</code></p>
|
|
</div>
|
|
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|
</div>
|
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</div>
|
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</div>
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</div>
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<p class="copyright">Copyright © 2016 AsyncDisplayKit. All rights reserved. Updated: 2016-11-05</p>
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