Ticket #31890: 31890.2.patch

src/wp-includes/js/wplink.js

@@ -142 +142 @@
                 },
 
                 refresh: function() {
+                        var text = '';
+
                         // Refresh rivers (clear links, check visibility)
                         rivers.search.refresh();
                         rivers.recent.refresh();
@@ -149 +151 @@
                         if ( wpLink.isMCE() ) {
                                 wpLink.mceRefresh();
                         } else {
-                                inputs.wrap.removeClass( 'has-text-field' );
-                                inputs.text.val( '' );
+                                // For the Text editor the "Link text" field is always shown
+                                if ( ! inputs.wrap.hasClass( 'has-text-field' ) ) {
+                                        inputs.wrap.addClass( 'has-text-field' );
+                                }
+
+                                if ( document.selection ) {
+                                        // Old IE
+                                        text = document.selection.createRange().text || '';
+                                } else if ( typeof this.textarea.selectionStart !== 'undefined' &&
+                                        ( this.textarea.selectionStart !== this.textarea.selectionEnd ) ) {
+                                        // W3C
+                                        text = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd ) || '';
+                                }
+
+                                inputs.text.val( text );
                                 wpLink.setDefaultValues();
                         }