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NIToolbarPhotoViewController.html
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<div id="projectname">NimbusKit
 <span id="projectnumber">1.2.1 - <a href="http://github.com/jverkoey/nimbus">Fork Nimbus on Github</a> - <a href="http://wiki.nimbuskit.info/">Visit the Nimbus Wiki</a></span>
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<div id="projectbrief">The iOS framework that grows only as fast as its documentation</div>
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<a href="classNIToolbarPhotoViewController-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">NIToolbarPhotoViewController Class Reference<div class="ingroups"><a class="el" href="NimbusPhotos.html">Nimbus Photos</a></div></div> </div>
</div><!--header-->
<div class="contents">
<a name="details" id="details"></a><h2 class="groupheader">Overview</h2>
<div class="textblock"><p>A simple photo album view controller implementation with a toolbar. </p>
<p>This controller does not implement the photo album data source, it simply implements some of the most common UI elements that are associated with a photo viewer.</p>
<p>For an example of implementing the data source, see the photos examples in the examples directory.</p>
<h2>Implementing Delegate Methods</h2>
<p>This view controller already implements <a class="el" href="NIPhotoAlbumScrollViewDelegate-Protocol.html" title="The photo album scroll view delegate. ">NIPhotoAlbumScrollViewDelegate</a>. If you want to implement methods of this delegate you should take care to call the super implementation if necessary. The following methods have implementations in this class:</p>
<ul>
<li>photoAlbumScrollViewDidScroll:</li>
<li>photoAlbumScrollView:didZoomIn:</li>
<li>photoAlbumScrollViewDidChangePages:</li>
</ul>
<h2>Recommended Configurations</h2>
<h3>Default: Zooming enabled with translucent toolbar</h3>
<p>The default settings are good for showing a photo album that takes up the entire screen. The photos will be visible beneath the toolbar because it is translucent. The chrome will be hidden whenever the user starts interacting with the photos.</p>
<div class="fragment"><div class="line"><a class="code" href="NIToolbarPhotoViewController.html#toolbarIsTranslucent">toolbarIsTranslucent</a> = YES;</div>
<div class="line"><a class="code" href="NIToolbarPhotoViewController.html#hidesChromeWhenScrolling">hidesChromeWhenScrolling</a> = YES;</div>
<div class="line"><a class="code" href="NIToolbarPhotoViewController.html#chromeCanBeHidden">chromeCanBeHidden</a> = YES;</div>
</div><!-- fragment --><h3>Zooming disabled with opaque toolbar</h3>
<p>The following settings are good for viewing photo albums when you want to keep the chrome visible at all times without zooming enabled.</p>
<div class="fragment"><div class="line"><a class="code" href="NIToolbarPhotoViewController.html#toolbarIsTranslucent">toolbarIsTranslucent</a> = NO;</div>
<div class="line"><a class="code" href="NIToolbarPhotoViewController.html#chromeCanBeHidden">chromeCanBeHidden</a> = NO;</div>
<div class="line"><a class="code" href="NIToolbarPhotoViewController.html#photoAlbumView">photoAlbumView</a>.<a class="code" href="NIPhotoAlbumScrollView.html#zoomingIsEnabled">zoomingIsEnabled</a> = NO;</div>
</div><!-- fragment --> </div><div class="dynheader">
Inheritance diagram for NIToolbarPhotoViewController:</div>
<div class="dyncontent">
<div class="center">
<img src="NIToolbarPhotoViewController.png" usemap="#NIToolbarPhotoViewController_map" alt=""/>
<map id="NIToolbarPhotoViewController_map" name="NIToolbarPhotoViewController_map">
<area href="NIPhotoAlbumScrollViewDelegate-Protocol.html" title="The photo album scroll view delegate. " alt="<NIPhotoAlbumScrollViewDelegate>" shape="rect" coords="0,56,216,80"/>
<area href="NIPhotoScrubberViewDelegate-Protocol.html" title="The delegate for the photo scrubber. " alt="<NIPhotoScrubberViewDelegate>" shape="rect" coords="226,56,442,80"/>
<area href="NIPagingScrollViewDelegate-Protocol.html" title="The delegate for NIPagingScrollView. " alt="<NIPagingScrollViewDelegate>" shape="rect" coords="0,0,216,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Tasks</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Configuring Functionality</div></td></tr>
<tr class="memitem:toolbarIsTranslucent"><td class="memItemLeft" align="right" valign="top">BOOL </td><td class="memItemRight" valign="bottom"><a class="el" href="NIToolbarPhotoViewController.html#toolbarIsTranslucent">toolbarIsTranslucent</a> <span class="suffix">property</span></td></tr>
<tr class="separator:toolbarIsTranslucent"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:hidesChromeWhenScrolling"><td class="memItemLeft" align="right" valign="top">BOOL </td><td class="memItemRight" valign="bottom"><a class="el" href="NIToolbarPhotoViewController.html#hidesChromeWhenScrolling">hidesChromeWhenScrolling</a> <span class="suffix">property</span></td></tr>
<tr class="separator:hidesChromeWhenScrolling"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:chromeCanBeHidden"><td class="memItemLeft" align="right" valign="top">BOOL </td><td class="memItemRight" valign="bottom"><a class="el" href="NIToolbarPhotoViewController.html#chromeCanBeHidden">chromeCanBeHidden</a> <span class="suffix">property</span></td></tr>
<tr class="separator:chromeCanBeHidden"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:animateMovingToNextAndPreviousPhotos"><td class="memItemLeft" align="right" valign="top">BOOL </td><td class="memItemRight" valign="bottom"><a class="el" href="NIToolbarPhotoViewController.html#animateMovingToNextAndPreviousPhotos">animateMovingToNextAndPreviousPhotos</a> <span class="suffix">property</span></td></tr>
<tr class="separator:animateMovingToNextAndPreviousPhotos"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:scrubberIsEnabled"><td class="memItemLeft" align="right" valign="top">BOOL </td><td class="memItemRight" valign="bottom"><a class="el" href="NIToolbarPhotoViewController.html#scrubberIsEnabled">scrubberIsEnabled</a> <span class="suffix">property</span></td></tr>
<tr class="separator:scrubberIsEnabled"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Views</div></td></tr>
<tr class="memitem:toolbar"><td class="memItemLeft" align="right" valign="top">UIToolbar * </td><td class="memItemRight" valign="bottom"><a class="el" href="NIToolbarPhotoViewController.html#toolbar">toolbar</a> <span class="suffix">property</span></td></tr>
<tr class="separator:toolbar"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:photoAlbumView"><td class="memItemLeft" align="right" valign="top"><a class="el" href="NIPhotoAlbumScrollView.html">NIPhotoAlbumScrollView</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="NIToolbarPhotoViewController.html#photoAlbumView">photoAlbumView</a> <span class="suffix">property</span></td></tr>
<tr class="separator:photoAlbumView"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:photoScrubberView"><td class="memItemLeft" align="right" valign="top"><a class="el" href="NIPhotoScrubberView.html">NIPhotoScrubberView</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="NIToolbarPhotoViewController.html#photoScrubberView">photoScrubberView</a> <span class="suffix">property</span></td></tr>
<tr class="separator:photoScrubberView"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Toolbar Buttons</div></td></tr>
<tr class="memitem:nextButton"><td class="memItemLeft" align="right" valign="top">UIBarButtonItem * </td><td class="memItemRight" valign="bottom"><a class="el" href="NIToolbarPhotoViewController.html#nextButton">nextButton</a> <span class="suffix">property</span></td></tr>
<tr class="separator:nextButton"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:previousButton"><td class="memItemLeft" align="right" valign="top">UIBarButtonItem * </td><td class="memItemRight" valign="bottom"><a class="el" href="NIToolbarPhotoViewController.html#previousButton">previousButton</a> <span class="suffix">property</span></td></tr>
<tr class="separator:previousButton"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">[NIPhotoAlbumScrollViewDelegate] Scrolling and Zooming</div></td></tr>
<tr class="memitem:photoAlbumScrollView:didZoomIn:"><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="NIPhotoAlbumScrollViewDelegate-Protocol.html#photoAlbumScrollView:didZoomIn:">photoAlbumScrollView:didZoomIn:</a></td></tr>
<tr class="separator:photoAlbumScrollView:didZoomIn:"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">[NIPhotoAlbumScrollViewDelegate] Data Availability</div></td></tr>
<tr class="memitem:photoAlbumScrollViewDidLoadNextPhoto:"><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="NIPhotoAlbumScrollViewDelegate-Protocol.html#photoAlbumScrollViewDidLoadNextPhoto:">photoAlbumScrollViewDidLoadNextPhoto:</a></td></tr>
<tr class="separator:photoAlbumScrollViewDidLoadNextPhoto:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:photoAlbumScrollViewDidLoadPreviousPhoto:"><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="NIPhotoAlbumScrollViewDelegate-Protocol.html#photoAlbumScrollViewDidLoadPreviousPhoto:">photoAlbumScrollViewDidLoadPreviousPhoto:</a></td></tr>
<tr class="separator:photoAlbumScrollViewDidLoadPreviousPhoto:"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">[NIPhotoAlbumScrollViewDelegate] Scrolling and Zooming</div></td></tr>
<tr class="memitem:pagingScrollViewDidScroll:"><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="NIPagingScrollViewDelegate-Protocol.html#pagingScrollViewDidScroll:">pagingScrollViewDidScroll:</a></td></tr>
<tr class="separator:pagingScrollViewDidScroll:"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">[NIPagingScrollViewDelegate] Changing Pages</div></td></tr>
<tr class="memitem:pagingScrollViewWillChangePages:"><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="NIPagingScrollViewDelegate-Protocol.html#pagingScrollViewWillChangePages:">pagingScrollViewWillChangePages:</a></td></tr>
<tr class="separator:pagingScrollViewWillChangePages:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:pagingScrollViewDidChangePages:"><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="NIPagingScrollViewDelegate-Protocol.html#pagingScrollViewDidChangePages:">pagingScrollViewDidChangePages:</a></td></tr>
<tr class="separator:pagingScrollViewDidChangePages:"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Selection Changes</div></td></tr>
<tr class="memitem:photoScrubberViewDidChangeSelection:"><td class="memItemLeft" align="right" valign="top">(void) </td><td class="memItemRight" valign="bottom">- <a class="el" href="NIPhotoScrubberViewDelegate-Protocol.html#photoScrubberViewDidChangeSelection:">photoScrubberViewDidChangeSelection:</a></td></tr>
<tr class="separator:photoScrubberViewDidChangeSelection:"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<h2 class="groupheader">Method Documentation</h2>
<a class="anchor" id="toolbarIsTranslucent"></a>
<div class="memitem">
<h3 class="memname">toolbarIsTranslucent</h3>
<div class="memdoc">
<p class="abstract">Whether the toolbar is translucent and shows photos beneath it or not. </p>
<div class="declaration">
@property (nonatomic) BOOL toolbarIsTranslucent;</td></tr>
</div>
<h5>Discussion</h5>
<p>If this is enabled, the toolbar will be translucent and the photo view will take up the entire view controller's bounds.</p>
<p>If this is disabled, the photo will only occupy the remaining space above the toolbar. The toolbar will also not be hidden when the chrome is dismissed. This is by design because dismissing the toolbar when photos can't be displayed beneath it would leave an empty space below the album.</p>
<p>By default this is YES. </p>
</div>
</div>
<a class="anchor" id="hidesChromeWhenScrolling"></a>
<div class="memitem">
<h3 class="memname">hidesChromeWhenScrolling</h3>
<div class="memdoc">
<p class="abstract">Whether or not to hide the chrome when the user begins interacting with the photo. </p>
<div class="declaration">
@property (nonatomic) BOOL hidesChromeWhenScrolling;</td></tr>
</div>
<h5>Discussion</h5>
<p>If this is enabled, then the chrome will be hidden when the user starts swiping from one photo to another.</p>
<p>The chrome is the toolbar and the system status bar.</p>
<p>By default this is YES.</p>
<dl class="section attention"><dt>Attention</dt><dd>This will be set to NO if toolbarCanBeHidden is set to NO. </dd></dl>
</div>
</div>
<a class="anchor" id="chromeCanBeHidden"></a>
<div class="memitem">
<h3 class="memname">chromeCanBeHidden</h3>
<div class="memdoc">
<p class="abstract">Whether or not to allow hiding the chrome. </p>
<div class="declaration">
@property (nonatomic) BOOL chromeCanBeHidden;</td></tr>
</div>
<h5>Discussion</h5>
<p>If this is enabled then the user will be able to single-tap to dismiss or show the toolbar.</p>
<p>The chrome is the toolbar and the system status bar.</p>
<p>If this is disabled then the chrome will always be visible.</p>
<p>By default this is YES.</p>
<dl class="section attention"><dt>Attention</dt><dd>Setting this to NO will also disable hidesToolbarWhenScrolling. </dd></dl>
</div>
</div>
<a class="anchor" id="animateMovingToNextAndPreviousPhotos"></a>
<div class="memitem">
<h3 class="memname">animateMovingToNextAndPreviousPhotos</h3>
<div class="memdoc">
<p class="abstract">Whether to animate moving to a next or previous photo when the user taps the button. </p>
<div class="declaration">
@property (nonatomic) BOOL animateMovingToNextAndPreviousPhotos;</td></tr>
</div>
<h5>Discussion</h5>
<p>By default this is NO. </p>
</div>
</div>
<a class="anchor" id="scrubberIsEnabled"></a>
<div class="memitem">
<h3 class="memname">scrubberIsEnabled</h3>
<div class="memdoc">
<p class="abstract">Whether to show a scrubber in the toolbar instead of next/previous buttons. </p>
<div class="declaration">
@property (nonatomic) BOOL scrubberIsEnabled;</td></tr>
</div>
<h5>Discussion</h5>
<p>By default this is YES on the iPad and NO on the iPhone. </p>
</div>
</div>
<a class="anchor" id="toolbar"></a>
<div class="memitem">
<h3 class="memname">toolbar</h3>
<div class="memdoc">
<p class="abstract">The toolbar view. </p>
<div class="declaration">
@property (nonatomic, readonly, strong) UIToolbar* toolbar;</td></tr>
</div>
</div>
</div>
<a class="anchor" id="photoAlbumView"></a>
<div class="memitem">
<h3 class="memname">photoAlbumView</h3>
<div class="memdoc">
<p class="abstract">The photo album view. </p>
<div class="declaration">
@property (nonatomic, readonly, strong) <a class="el" href="NIPhotoAlbumScrollView.html">NIPhotoAlbumScrollView</a>* photoAlbumView;</td></tr>
</div>
</div>
</div>
<a class="anchor" id="photoScrubberView"></a>
<div class="memitem">
<h3 class="memname">photoScrubberView</h3>
<div class="memdoc">
<p class="abstract">The photo scrubber view. </p>
<div class="declaration">
@property (nonatomic, readonly, strong) <a class="el" href="NIPhotoScrubberView.html">NIPhotoScrubberView</a>* photoScrubberView;</td></tr>
</div>
</div>
</div>
<a class="anchor" id="nextButton"></a>
<div class="memitem">
<h3 class="memname">nextButton</h3>
<div class="memdoc">
<p class="abstract">The 'next' button. </p>
<div class="declaration">
@property (nonatomic, readonly, strong) UIBarButtonItem* nextButton;</td></tr>
</div>
</div>
</div>
<a class="anchor" id="previousButton"></a>
<div class="memitem">
<h3 class="memname">previousButton</h3>
<div class="memdoc">
<p class="abstract">The 'previous' button. </p>
<div class="declaration">
@property (nonatomic, readonly, strong) UIBarButtonItem* previousButton;</td></tr>
</div>
</div>
</div>
<a class="anchor" id="photoAlbumScrollView:didZoomIn:"></a>
<div class="memitem">
<h3 class="memname">photoAlbumScrollView:didZoomIn:</h3>
<div class="memdoc">
<p class="abstract">The user double-tapped to zoom in or out. </p>
<div class="declaration">
- (void)photoAlbumScrollView:(<a class="el" href="NIPhotoAlbumScrollView.html">NIPhotoAlbumScrollView</a> *)photoAlbumScrollView didZoomIn:(BOOL)didZoomIn;</td></tr>
</div>
</div>
</div>
<a class="anchor" id="photoAlbumScrollViewDidLoadNextPhoto:"></a>
<div class="memitem">
<h3 class="memname">photoAlbumScrollViewDidLoadNextPhoto:</h3>
<div class="memdoc">
<p class="abstract">The next photo in the album has been loaded and is ready to be displayed. </p>
<div class="declaration">
- (void)photoAlbumScrollViewDidLoadNextPhoto:(<a class="el" href="NIPhotoAlbumScrollView.html">NIPhotoAlbumScrollView</a> *)photoAlbumScrollView;</td></tr>
</div>
</div>
</div>
<a class="anchor" id="photoAlbumScrollViewDidLoadPreviousPhoto:"></a>
<div class="memitem">
<h3 class="memname">photoAlbumScrollViewDidLoadPreviousPhoto:</h3>
<div class="memdoc">
<p class="abstract">The previous photo in the album has been loaded and is ready to be displayed. </p>
<div class="declaration">
- (void)photoAlbumScrollViewDidLoadPreviousPhoto:(<a class="el" href="NIPhotoAlbumScrollView.html">NIPhotoAlbumScrollView</a> *)photoAlbumScrollView;</td></tr>
</div>
</div>
</div>
<a class="anchor" id="pagingScrollViewDidScroll:"></a>
<div class="memitem">
<h3 class="memname">pagingScrollViewDidScroll:</h3>
<div class="memdoc">
<p class="abstract">The user is scrolling between two photos. </p>
<div class="declaration">
- (void)pagingScrollViewDidScroll:(<a class="el" href="NIPagingScrollView.html">NIPagingScrollView</a> *)pagingScrollView;</td></tr>
</div>
</div>
</div>
<a class="anchor" id="pagingScrollViewWillChangePages:"></a>
<div class="memitem">
<h3 class="memname">pagingScrollViewWillChangePages:</h3>
<div class="memdoc">
<p class="abstract">The current page will change. </p>
<div class="declaration">
- (void)pagingScrollViewWillChangePages:(<a class="el" href="NIPagingScrollView.html">NIPagingScrollView</a> *)pagingScrollView;</td></tr>
</div>
<h5>Discussion</h5>
<p>pagingScrollView.centerPageIndex will reflect the old page index, not the new page index. </p>
</div>
</div>
<a class="anchor" id="pagingScrollViewDidChangePages:"></a>
<div class="memitem">
<h3 class="memname">pagingScrollViewDidChangePages:</h3>
<div class="memdoc">
<p class="abstract">The current page has changed. </p>
<div class="declaration">
- (void)pagingScrollViewDidChangePages:(<a class="el" href="NIPagingScrollView.html">NIPagingScrollView</a> *)pagingScrollView;</td></tr>
</div>
<h5>Discussion</h5>
<p>pagingScrollView.centerPageIndex will reflect the changed page index. </p>
</div>
</div>
<a class="anchor" id="photoScrubberViewDidChangeSelection:"></a>
<div class="memitem">
<h3 class="memname">photoScrubberViewDidChangeSelection:</h3>
<div class="memdoc">
<p class="abstract">The photo scrubber changed its selection. </p>
<div class="declaration">
- (void)photoScrubberViewDidChangeSelection:(<a class="el" href="NIPhotoScrubberView.html">NIPhotoScrubberView</a> *)photoScrubberView;</td></tr>
</div>
<h5>Discussion</h5>
<p>Use photoScrubberView.selectedPhotoIndex to access the current selection. </p>
</div>
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