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<title>[38426] trunk/src: Editor: fix jumpiness on pressing backspace and delete in the Text editor.</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/38426">38426</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/38426","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>azaozz</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-08-28 18:40:00 +0000 (Sun, 28 Aug 2016)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Editor: fix jumpiness on pressing backspace and delete in the Text editor.
Fixes <a href="https://core.trac.wordpress.org/ticket/37690">#37690</a> for trunk.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminjseditorexpandjs">trunk/src/wp-admin/js/editor-expand.js</a></li>
<li><a href="#trunksrcwpincludesscriptloaderphp">trunk/src/wp-includes/script-loader.php</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadminjseditorexpandjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/js/editor-expand.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/js/editor-expand.js 2016-08-28 18:28:52 UTC (rev 38425)
+++ trunk/src/wp-admin/js/editor-expand.js 2016-08-28 18:40:00 UTC (rev 38426)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -53,6 +53,47 @@
</span><span class="cx" style="display: block; padding: 0 10px"> sideSortablesHeight: 0
</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">+ var shrinkTextarea = window._.throttle( function() {
+ var x = window.scrollX || document.documentElement.scrollLeft;
+ var y = window.scrollY || document.documentElement.scrollTop;
+ var height = parseInt( textEditor.style.height, 10 );
+
+ textEditor.style.height = autoresizeMinHeight + 'px';
+
+ if ( textEditor.scrollHeight > autoresizeMinHeight ) {
+ textEditor.style.height = textEditor.scrollHeight + 'px';
+ }
+
+ if ( typeof x !== 'undefined' ) {
+ window.scrollTo( x, y );
+ }
+
+ if ( textEditor.scrollHeight < height ) {
+ adjust();
+ }
+ }, 300 );
+
+ function textEditorResize() {
+ var length = textEditor.value.length;
+
+ if ( mceEditor && ! mceEditor.isHidden() ) {
+ return;
+ }
+
+ if ( ! mceEditor && initialMode === 'tinymce' ) {
+ return;
+ }
+
+ if ( length < oldTextLength ) {
+ shrinkTextarea();
+ } else if ( parseInt( textEditor.style.height, 10 ) < textEditor.scrollHeight ) {
+ textEditor.style.height = Math.ceil( textEditor.scrollHeight ) + 'px';
+ adjust();
+ }
+
+ oldTextLength = length;
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> function getHeights() {
</span><span class="cx" style="display: block; padding: 0 10px"> var windowWidth = $window.width();
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -75,43 +116,6 @@
</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">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- function textEditorResize() {
- if ( mceEditor && ! mceEditor.isHidden() ) {
- return;
- }
-
- if ( ! mceEditor && initialMode === 'tinymce' ) {
- return;
- }
-
- var length = textEditor.value.length;
- var height = parseInt( textEditor.style.height, 10 );
- var top = window.scrollTop;
-
- if ( length < oldTextLength ) {
- // textEditor.scrollHeight is not adjusted until the next line.
- textEditor.style.height = 'auto';
-
- if ( textEditor.scrollHeight > autoresizeMinHeight ) {
- textEditor.style.height = textEditor.scrollHeight + 'px';
- } else {
- textEditor.style.height = autoresizeMinHeight + 'px';
- }
-
- // Prevent scroll-jumping in Firefox and IE.
- window.scrollTop = top;
-
- if ( textEditor.scrollHeight < height ) {
- adjust();
- }
- } else if ( height < textEditor.scrollHeight ) {
- textEditor.style.height = textEditor.scrollHeight + 'px';
- adjust();
- }
-
- oldTextLength = length;
- }
-
</del><span class="cx" style="display: block; padding: 0 10px"> // We need to wait for TinyMCE to initialize.
</span><span class="cx" style="display: block; padding: 0 10px"> $document.on( 'tinymce-editor-init.editor-expand', function( event, editor ) {
</span><span class="cx" style="display: block; padding: 0 10px"> var VK = window.tinymce.util.VK,
</span></span></pre></div>
<a id="trunksrcwpincludesscriptloaderphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/script-loader.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/script-loader.php 2016-08-28 18:28:52 UTC (rev 38425)
+++ trunk/src/wp-includes/script-loader.php 2016-08-28 18:40:00 UTC (rev 38426)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -554,7 +554,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 'suggestedImgAlt' => __( 'Suggested image #%d' ),
</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">- $scripts->add( 'editor-expand', "/wp-admin/js/editor-expand$suffix.js", array( 'jquery' ), false, 1 );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $scripts->add( 'editor-expand', "/wp-admin/js/editor-expand$suffix.js", array( 'jquery', 'underscore' ), false, 1 );
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $scripts->add( 'link', "/wp-admin/js/link$suffix.js", array( 'wp-lists', 'postbox' ), false, 1 );
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre>
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