Revert "Merge branch 'mh/editor-indents' into 'master'"

This reverts commit 28f2225bdfee4d353f07a766c6c8b29ba6181397, reversing
changes made to 96ae5bd83da31350e9856a290127d7aa1469710a.

1 files changed, 0 insertions, 87 deletions

diff --git a/app/assets/javascripts/gl_form.js b/app/assets/javascripts/gl_form.js
index b98fe9f6ce2..a66555838ba 100644
--- a/app/assets/javascripts/gl_form.js
+++ b/app/assets/javascripts/gl_form.js
@@ -3,16 +3,9 @@ import autosize from 'autosize';
 import GfmAutoComplete, { defaultAutocompleteConfig } from 'ee_else_ce/gfm_auto_complete';
 import dropzoneInput from './dropzone_input';
 import { addMarkdownListeners, removeMarkdownListeners } from './lib/utils/text_markdown';
-import IndentHelper from './helpers/indent_helper';
-import { keystroke } from './lib/utils/common_utils';
-import * as keys from './lib/utils/keycodes';
-import UndoStack from './lib/utils/undo_stack';
 
 export default class GLForm {
   constructor(form, enableGFM = {}) {
-    this.handleKeyShortcuts = this.handleKeyShortcuts.bind(this);
-    this.setState = this.setState.bind(this);
-
     this.form = form;
     this.textarea = this.form.find('textarea.js-gfm-input');
     this.enableGFM = Object.assign({}, defaultAutocompleteConfig, enableGFM);
@@ -23,10 +16,6 @@ export default class GLForm {
         this.enableGFM[item] = Boolean(dataSources[item]);
       }
     });
-
-    this.undoStack = new UndoStack();
-    this.indentHelper = new IndentHelper(this.textarea[0]);
-
     // Before we start, we should clean up any previous data for this form
     this.destroy();
     // Set up the form
@@ -96,84 +85,9 @@ export default class GLForm {
   clearEventListeners() {
     this.textarea.off('focus');
     this.textarea.off('blur');
-    this.textarea.off('keydown');
     removeMarkdownListeners(this.form);
   }
 
-  setState(state) {
-    const selection = [this.textarea[0].selectionStart, this.textarea[0].selectionEnd];
-    this.textarea.val(state);
-    this.textarea[0].setSelectionRange(selection[0], selection[1]);
-  }
-
-  /*
-   Handle keypresses for a custom undo/redo stack.
-   We need this because the toolbar buttons and indentation helpers mess with the browser's
-   native undo/redo capability.
-   */
-  handleUndo(event) {
-    const content = this.textarea.val();
-    const { selectionStart, selectionEnd } = this.textarea[0];
-    const stack = this.undoStack;
-
-    if (stack.isEmpty()) {
-      // ==== Save initial state in undo history ====
-      stack.save(content);
-    }
-
-    if (keystroke(event, keys.Z_KEY_CODE, 'l')) {
-      // ==== Undo ====
-      event.preventDefault();
-      stack.save(content);
-      if (stack.canUndo()) {
-        this.setState(stack.undo());
-      }
-    } else if (keystroke(event, keys.Z_KEY_CODE, 'ls') || keystroke(event, keys.Y_KEY_CODE, 'l')) {
-      // ==== Redo ====
-      event.preventDefault();
-      if (stack.canRedo()) {
-        this.setState(stack.redo());
-      }
-    } else if (
-      keystroke(event, keys.SPACE_KEY_CODE) ||
-      keystroke(event, keys.ENTER_KEY_CODE) ||
-      selectionStart !== selectionEnd
-    ) {
-      // ==== Save after finishing a word or before deleting a large selection ====
-      stack.save(content);
-    } else if (content === '') {
-      // ==== Save after deleting everything ====
-      stack.save('');
-    } else {
-      // ==== Save after 1 second of inactivity ====
-      stack.scheduleSave(content);
-    }
-  }
-
-  handleIndent(event) {
-    if (keystroke(event, keys.LEFT_BRACKET_KEY_CODE, 'l')) {
-      // ==== Unindent selected lines ====
-      event.preventDefault();
-      this.indentHelper.unindent();
-    } else if (keystroke(event, keys.RIGHT_BRACKET_KEY_CODE, 'l')) {
-      // ==== Indent selected lines ====
-      event.preventDefault();
-      this.indentHelper.indent();
-    } else if (keystroke(event, keys.ENTER_KEY_CODE)) {
-      // ==== Auto-indent new lines ====
-      event.preventDefault();
-      this.indentHelper.newline();
-    } else if (keystroke(event, keys.BACKSPACE_KEY_CODE)) {
-      // ==== Auto-delete indents at the beginning of the line ====
-      this.indentHelper.backspace(event);
-    }
-  }
-
-  handleKeyShortcuts(event) {
-    this.handleIndent(event);
-    this.handleUndo(event);
-  }
-
   addEventListeners() {
     this.textarea.on('focus', function focusTextArea() {
       $(this)
@@ -185,6 +99,5 @@ export default class GLForm {
         .closest('.md-area')
         .removeClass('is-focused');
     });
-    this.textarea.on('keydown', e => this.handleKeyShortcuts(e.originalEvent));
   }
 }