MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / resources / src / mediawiki.action / mediawiki.action.edit.js

diff --git a/resources/src/mediawiki.action/mediawiki.action.edit.js b/resources/src/mediawiki.action/mediawiki.action.edit.js
new file mode 100644 (file)
index 0000000..087c5bc
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+++ b/resources/src/mediawiki.action/mediawiki.action.edit.js
@@ -0,0 +1,45 @@
+/*!
+ * Scripts for action=edit at domready
+ */
+( function ( mw, $ ) {
+       'use strict';
+
+       /**
+        * Fired when the editform is added to the edit page
+        *
+        * Similar to the {@link mw.hook#event-wikipage_content wikipage.content hook}
+        * $editForm can still be detached when this hook is fired.
+        *
+        * @event wikipage_editform
+        * @member mw.hook
+        * @param {jQuery} $editForm The most appropriate element containing the
+        *   editform, usually #editform.
+        */
+
+       $( function () {
+               var editBox, scrollTop, $editForm,
+                       // TODO T6714: Once this can be adjusted, read this from config.
+                       summaryByteLimit = 255,
+                       wpSummary = OO.ui.infuse( $( '#wpSummaryWidget' ) );
+
+               // Show a byte-counter to users with how many bytes are left for their edit summary.
+               // TODO: This looks a bit weird, as there is no unit in the UI, just numbers; showing
+               // 'bytes' confused users in testing, and showing 'chars' would be a lie. See T42035.
+               mw.widgets.visibleByteLimit( wpSummary, summaryByteLimit );
+
+               // Restore the edit box scroll state following a preview operation,
+               // and set up a form submission handler to remember this state.
+               editBox = document.getElementById( 'wpTextbox1' );
+               scrollTop = document.getElementById( 'wpScrolltop' );
+               $editForm = $( '#editform' );
+               mw.hook( 'wikipage.editform' ).fire( $editForm );
+               if ( $editForm.length && editBox && scrollTop ) {
+                       if ( scrollTop.value ) {
+                               editBox.scrollTop = scrollTop.value;
+                       }
+                       $editForm.submit( function () {
+                               scrollTop.value = editBox.scrollTop;
+                       } );
+               }
+       } );
+}( mediaWiki, jQuery ) );