Editor: Add CodeMirror-powered code editor with syntax highlighting, linting, and auto-completion.
* Code editor is integrated into the Theme/Plugin Editor, Additional CSS in Customizer, and Custom HTML widget. Code editor is not yet integrated into the post editor, and it may not be until accessibility concerns are addressed.
* The CodeMirror component in the Custom HTML widget is integrated in a similar way to TinyMCE being integrated into the Text widget, adopting the same approach for integrating dynamic JavaScript-initialized fields.
* Linting is performed for JS, CSS, HTML, and JSON via JSHint, CSSLint, HTMLHint, and JSONLint respectively. Linting is not yet supported for PHP.
* When user lacks `unfiltered_html` the capability, the Custom HTML widget will report any Kses-invalid elements and attributes as errors via a custom Kses rule for HTMLHint.
* When linting errors are detected, the user will be prevented from saving the code until the errors are fixed, reducing instances of broken websites.
* The placeholder value is removed from Custom CSS in favor of a fleshed-out section description which now auto-expands when the CSS field is empty. See #39892.
* The CodeMirror library is included as `wp.CodeMirror` to prevent conflicts with any existing `CodeMirror` global.
* An `wp.codeEditor.initialize()` API in JS is provided to convert a `textarea` into CodeMirror, with a `wp_enqueue_code_editor()` function in PHP to manage enqueueing the assets and settings needed to edit a given type of code.
* A user preference is added to manage whether or not "syntax highlighting" is enabled. The feature is opt-out, being enabled by default.
* Allowed file extensions in the theme and plugin editors have been updated to include formats which CodeMirror has modes for: `conf`, `css`, `diff`, `patch`, `html`, `htm`, `http`, `js`, `json`, `jsx`, `less`, `md`, `php`, `phtml`, `php3`, `php4`, `php5`, `php7`, `phps`, `scss`, `sass`, `sh`, `bash`, `sql`, `svg`, `xml`, `yml`, `yaml`, `txt`.
Props westonruter, georgestephanis, obenland, melchoyce, pixolin, mizejewski, michelleweber, afercia, grahamarmfield, samikeijonen, rianrietveld, iseulde.
See #38707.
Fixes #12423, #39892.
Built from https://develop.svn.wordpress.org/trunk@41376
git-svn-id: http://core.svn.wordpress.org/trunk@41209 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-09-13 08:08:47 +02:00
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window.wp||(window.wp={}),wp.themePluginEditor=function(a){"use strict";var b={l10n:{lintError:{singular:"",plural:""}},instance:null};return b.init=function(c){var d,e,f,g=[];d=a.extend({},c),d.onTabPrevious=function(){a("#templateside").find(":tabbable").last().focus()},d.onTabNext=function(){a("#template").find(":tabbable:not(.CodeMirror-code)").first().focus()},e=a('<div id="file-editor-linting-error"></div>'),g=a('<div class="inline notice notice-error"></div>'),e.append(g),e.hide(),a("p.submit").before(e),d.onUpdateErrorNotice=function(c){var d;a("#submit").prop("disabled",0!==c.length),0!==c.length?(g.empty(),d=1===c.length?b.l10n.singular.replace("%d","1"):b.l10n.plural.replace("%d",String(c.length)),g.append(a("<p></p>",{text:d})),e.slideDown("fast"),wp.a11y.speak(d)):e.slideUp("fast")},f=wp.codeEditor.initialize(a("#newcontent"),d),b.instance=f},b}(jQuery);
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