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403 lines
9.3 KiB
HTML
403 lines
9.3 KiB
HTML
<!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>ASRangeController Class Reference</title>
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<body class="appledoc">
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<a href="../index.html">AsyncDisplayKit </a>
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On This Page
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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="Properties">
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<option value="//api/name/dataSource">dataSource</option>
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<option value="//api/name/delegate">delegate</option>
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<option value="//api/name/layoutController">layoutController</option>
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</optgroup>
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<optgroup label="Instance Methods">
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<option value="//api/name/configureContentView:forCellNode:">- configureContentView:forCellNode:</option>
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<option value="//api/name/visibleNodeIndexPathsDidChangeWithScrollDirection:">- visibleNodeIndexPathsDidChangeWithScrollDirection:</option>
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</optgroup>
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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">ASRangeController Class 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>Inherits from</th>
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<td>ASDealloc2MainObject</td>
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</tr><tr>
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<th>Conforms to</th>
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<td>ASDataControllerDelegate</td>
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</tr><tr>
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<th>Declared in</th>
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<td>ASRangeController.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>Working range controller.</p>
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<p>Used internally by ASTableView and ASCollectionView. It is paired with ASDataController.
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It is designed to support custom scrolling containers as well. Observes the visible range, maintains
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“working ranges” to trigger network calls and rendering, and is responsible for driving asynchronous layout of cells.
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This includes cancelling those asynchronous operations as cells fall outside of the working ranges.</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/visibleNodeIndexPathsDidChangeWithScrollDirection:" title="visibleNodeIndexPathsDidChangeWithScrollDirection:"></a>
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<h3 class="method-title"><code><a href="#//api/name/visibleNodeIndexPathsDidChangeWithScrollDirection:">– visibleNodeIndexPathsDidChangeWithScrollDirection:</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>Notify the range controller that the visible range has been updated.
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This is the primary input call that drives updating the working ranges, and triggering their actions.</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (void)visibleNodeIndexPathsDidChangeWithScrollDirection:(ASScrollDirection)<em>scrollDirection</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>scrollDirection</code></th>
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<td><p>The current scroll direction of the scroll view.</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 declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASRangeController.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/configureContentView:forCellNode:" title="configureContentView:forCellNode:"></a>
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<h3 class="method-title"><code><a href="#//api/name/configureContentView:forCellNode:">– configureContentView:forCellNode:</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>Add the sized node for <code>indexPath</code> as a subview of <code>contentView</code>.</p>
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</div>
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<div class="method-subsection method-declaration"><code>- (void)configureContentView:(UIView *)<em>contentView</em> forCellNode:(ASCellNode *)<em>node</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>contentView</code></th>
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<td><p>UIView to add a (sized) node’s view to.</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 cell node to be added.</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 declared-in-section">
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<h4 class="method-subtitle">Declared In</h4>
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<p><code class="declared-in-ref">ASRangeController.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/layoutController" title="layoutController"></a>
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<h3 class="method-title"><code><a href="#//api/name/layoutController"> layoutController</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>An object that describes the layout behavior of the ranged component (table view, collection view, etc.)</p>
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</div>
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<div class="method-subsection method-declaration"><code>@property (nonatomic, strong) id<ASLayoutController> layoutController</code></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>Used primarily for providing the current range of index paths and identifying when the
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range controller should invalidate its range.</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">ASRangeController.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/dataSource" title="dataSource"></a>
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<h3 class="method-title"><code><a href="#//api/name/dataSource"> dataSource</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>The underlying data source for the range controller</p>
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</div>
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<div class="method-subsection method-declaration"><code>@property (nonatomic, weak) id<ASRangeControllerDataSource> dataSource</code></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">ASRangeController.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/delegate" title="delegate"></a>
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<h3 class="method-title"><code><a href="#//api/name/delegate"> delegate</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>Delegate for handling range controller events. Must not be nil.</p>
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</div>
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<div class="method-subsection method-declaration"><code>@property (nonatomic, weak) id<ASRangeControllerDelegate> delegate</code></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">ASRangeController.h</code></p>
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</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 Facebook. All rights reserved. Updated: 2016-07-11</p>
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<p class="generator">Generated by <a href="http://appledoc.gentlebytes.com">appledoc 2.2.1 (build 1334)</a>.</p>
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