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<title>[42174] branches/4.9: About: Fix jumping behavior for titles and columns when scrolling.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/42174">42174</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/42174","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>westonruter</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-11-13 22:29:28 +0000 (Mon, 13 Nov 2017)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>About: Fix jumping behavior for titles and columns when scrolling.
Props ryelle.
See <a href="https://core.trac.wordpress.org/ticket/42087">#42087</a>.
Fixes <a href="https://core.trac.wordpress.org/ticket/42514">#42514</a>, <a href="https://core.trac.wordpress.org/ticket/42526">#42526</a> for 4.9.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches49srcwpadminaboutphp">branches/4.9/src/wp-admin/about.php</a></li>
<li><a href="#branches49srcwpadmincssaboutcss">branches/4.9/src/wp-admin/css/about.css</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches49">branches/4.9/</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.9
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/4.9 2017-11-13 22:28:20 UTC (rev 42173)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.9 2017-11-13 22:29:28 UTC (rev 42174)
</ins><a id="branches49"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.9</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/3.1:18031
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.3:20543
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.4:21757
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:18512,42132,42134,42136,42138,42140,42144,42146,42148,42153,42155,42157,42159,42161,42163,42169,42171
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,42132,42134,42136,42138,42140,42144,42146,42148,42153,42155,42157,42159,42161,42163,42169,42171,42173
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches49srcwpadminaboutphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/src/wp-admin/about.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/src/wp-admin/about.php 2017-11-13 22:28:20 UTC (rev 42173)
+++ branches/4.9/src/wp-admin/about.php 2017-11-13 22:29:28 UTC (rev 42174)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -53,7 +53,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> </div>
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="floating-header-section">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- <h2><?php _e( 'Customizer Workflow Improved' ); ?></h2>
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ <div class="section-header">
+ <h2><?php _e( 'Customizer Workflow Improved' ); ?></h2>
+ </div>
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="section-content">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="section-item">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -88,7 +90,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> </div>
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="floating-header-section">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- <h2><?php _e( 'Coding Enhancements' ); ?></h2>
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ <div class="section-header">
+ <h2><?php _e( 'Coding Enhancements' ); ?></h2>
+ </div>
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="section-content">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="section-item">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -116,7 +120,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> </div>
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="floating-header-section">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- <h2><?php _e( 'Even More Widget Updates' ); ?></h2>
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ <div class="section-header">
+ <h2><?php _e( 'Even More Widget Updates' ); ?></h2>
+ </div>
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="section-content">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="section-item">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -137,7 +143,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> </div>
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="floating-header-section">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- <h2><?php _e( 'Site Building Improvements' ); ?></h2>
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ <div class="section-header">
+ <h2><?php _e( 'Site Building Improvements' ); ?></h2>
+ </div>
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="section-content">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="section-item">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -242,34 +250,84 @@
</span><span class="cx" style="display: block; padding: 0 10px"> offset += $adminbar.height();
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- var adjustScrollClass = _.throttle( function adjustScrollClass() {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ function setup() {
</ins><span class="cx" style="display: block; padding: 0 10px"> $sections.each( function( i, section ) {
</span><span class="cx" style="display: block; padding: 0 10px"> var $section = $( section );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Set width on header to prevent column jump
+ var $header = $section.find('.section-header');
+ $header.css( {
+ width: $header.innerWidth() + 'px'
+ } );
+
+ // If the title is long, switch the layout
+ var $title = $section.find( 'h2' );
+ if ( $title.innerWidth() > 300 ) {
+ $section.addClass( 'has-long-title' );
+ }
+ } );
+ }
+
+ var adjustScrollPosition = _.throttle( function adjustScrollPosition() {
+ $sections.each( function( i, section ) {
+ var $section = $( section );
</ins><span class="cx" style="display: block; padding: 0 10px"> var $header = $section.find( 'h2' );
</span><span class="cx" style="display: block; padding: 0 10px"> var width = $header.innerWidth();
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ var height = $header.innerHeight();
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( $section.hasClass( 'has-long-title' ) ) {
+ return;
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> var sectionStart = $section.offset().top - offset;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- var sectionEnd = sectionStart + $section.innerHeight() - 60;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ var sectionEnd = sectionStart + $section.innerHeight();
+ var scrollPos = $window.scrollTop();
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // If we're scrolled into a section, stick the header
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( $window.scrollTop() >= sectionStart && $window.scrollTop() < sectionEnd ) {
- $header.addClass( 'header-fixed' );
- $header.css( { top: offset + 'px', width: width + 'px' } );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( scrollPos >= sectionStart && scrollPos < sectionEnd - height ) {
+ $header.css( {
+ position: 'fixed',
+ top: offset + 'px',
+ bottom: 'auto',
+ width: width + 'px'
+ } );
+ // If we're at the end of the section, stick the header to the bottom
+ } else if ( scrollPos >= sectionEnd - height && scrollPos < sectionEnd ) {
+ $header.css( {
+ position: 'absolute',
+ top: 'auto',
+ bottom: 0,
+ width: width + 'px'
+ } );
+ // Unstick the header
</ins><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $header.removeClass( 'header-fixed' );
- $header.css( { top: 0, width: 'auto' } );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $header.css( {
+ position: 'static',
+ top: 'auto',
+ bottom: 'auto',
+ width: 'auto'
+ } );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> } );
</span><span class="cx" style="display: block; padding: 0 10px"> }, 100 );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
</ins><span class="cx" style="display: block; padding: 0 10px"> function enableFixedHeaders() {
</span><span class="cx" style="display: block; padding: 0 10px"> if ( $window.width() > 782 ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- adjustScrollClass();
- $window.on( 'scroll', adjustScrollClass );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ setup();
+ adjustScrollPosition();
+ $window.on( 'scroll', adjustScrollPosition );
</ins><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $window.off( 'scroll', adjustScrollClass );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $window.off( 'scroll', adjustScrollPosition );
+ $sections.find( '.section-header' )
+ .css( {
+ width: 'auto'
+ } );
</ins><span class="cx" style="display: block; padding: 0 10px"> $sections.find( 'h2' )
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- .removeClass( 'header-fixed' )
- .css( { top: 0, width: 'auto' } );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ .css( {
+ position: 'static',
+ top: 'auto',
+ bottom: 'auto',
+ width: 'auto'
+ } );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> $( window ).resize( enableFixedHeaders );
</span></span></pre></div>
<a id="branches49srcwpadmincssaboutcss"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/src/wp-admin/css/about.css</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/src/wp-admin/css/about.css 2017-11-13 22:28:20 UTC (rev 42173)
+++ branches/4.9/src/wp-admin/css/about.css 2017-11-13 22:29:28 UTC (rev 42174)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -364,16 +364,15 @@
</span><span class="cx" style="display: block; padding: 0 10px"> margin: 0 auto 120px;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-.about-wrap .floating-header-section h2 {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+.about-wrap .floating-header-section .section-header {
</ins><span class="cx" style="display: block; padding: 0 10px"> -ms-grid-column: 1;
</span><span class="cx" style="display: block; padding: 0 10px"> grid-column: 1;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- text-align: left;
- margin: 0;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ position: relative;
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-.about-wrap .floating-header-section .header-fixed {
- position: fixed;
- width: 300px;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+.about-wrap .floating-header-section h2 {
+ margin: 0;
+ text-align: left;
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> .about-wrap .floating-header-section .section-content {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -396,6 +395,27 @@
</span><span class="cx" style="display: block; padding: 0 10px"> grid-column: 2;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+.about-wrap .floating-header-section.has-long-title {
+ -ms-grid-columns: 1fr;
+ grid-template-columns: 1fr;
+ grid-gap: 60px 0;
+}
+
+.about-wrap .floating-header-section.has-long-title .section-content {
+ -ms-grid-columns: minmax(max-content, 300px) minmax(max-content, 300px);
+ grid-template-columns: minmax(max-content, 300px) minmax(max-content, 300px);
+}
+
+.about-wrap .floating-header-section.has-long-title .section-item {
+ max-width: 300px;
+}
+
+.about-wrap .floating-header-section.has-long-title .section-header,
+.about-wrap .floating-header-section.has-long-title .section-content {
+ -ms-grid-column: 1;
+ grid-column: 1;
+}
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /*------------------------------------------------------------------------------
</span><span class="cx" style="display: block; padding: 0 10px"> 3.0 - Credits & Freedoms Pages
</span><span class="cx" style="display: block; padding: 0 10px"> ------------------------------------------------------------------------------*/
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -415,7 +435,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> .about-wrap .compact {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- margin-bottom: 0
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ margin-bottom: 0;
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> .about-wrap .wp-person {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -509,7 +529,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> grid-gap: 60px 0;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- .about-wrap .floating-header-section h2,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ .about-wrap .floating-header-section .section-header,
</ins><span class="cx" style="display: block; padding: 0 10px"> .about-wrap .floating-header-section .section-content {
</span><span class="cx" style="display: block; padding: 0 10px"> -ms-grid-column: 1;
</span><span class="cx" style="display: block; padding: 0 10px"> grid-column: 1;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -568,6 +588,13 @@
</span><span class="cx" style="display: block; padding: 0 10px"> margin-bottom: 60px;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ .about-wrap .floating-header-section h2 {
+ word-break: break-all;
+ -webkit-hyphens: auto;
+ -ms-hyphens: auto;
+ hyphens: auto;
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> .about-wrap .floating-header-section .section-content {
</span><span class="cx" style="display: block; padding: 0 10px"> -ms-grid-columns: 1fr;
</span><span class="cx" style="display: block; padding: 0 10px"> grid-template-columns: 1fr;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -577,5 +604,6 @@
</span><span class="cx" style="display: block; padding: 0 10px"> .about-wrap .floating-header-section .section-content .section-item {
</span><span class="cx" style="display: block; padding: 0 10px"> -ms-grid-column: 1;
</span><span class="cx" style="display: block; padding: 0 10px"> grid-column: 1;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ max-width: 100%;
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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