From 7d242767213719b83fd457300dbb66c51f920c49 Mon Sep 17 00:00:00 2001
From: Lukas Dachtler <software@lukas-dachtler.de>
Date: Mon, 9 Dec 2019 08:16:48 +0100
Subject: [PATCH] added editable property to workspaceComment (#3480)

* added editable property to workspaceComment
---
 core/workspace_comment.js            | 23 +++++++++++++++++++++++
 core/workspace_comment_render_svg.js |  1 +
 core/workspace_comment_svg.js        | 11 +++++++++++
 3 files changed, 35 insertions(+)

diff --git a/core/workspace_comment.js b/core/workspace_comment.js
index 66e494398..5d06eec21 100644
--- a/core/workspace_comment.js
+++ b/core/workspace_comment.js
@@ -95,6 +95,12 @@ Blockly.WorkspaceComment = function(workspace, content, height, width, opt_id) {
    */
   this.movable_ = true;
 
+  /**
+   * @type {boolean}
+   * @private
+   */
+  this.editable_ = true;
+
   /**
    * @protected
    * @type {string}
@@ -229,6 +235,23 @@ Blockly.WorkspaceComment.prototype.setMovable = function(movable) {
   this.movable_ = movable;
 };
 
+/**
+ * Get whether this comment is editable or not.
+ * @return {boolean} True if editable.
+ */
+Blockly.WorkspaceComment.prototype.isEditable = function() {
+  return this.editable_ &&
+      !(this.workspace && this.workspace.options.readOnly);
+};
+
+/**
+ * Set whether this comment is editable or not.
+ * @param {boolean} editable True if editable.
+ */
+Blockly.WorkspaceComment.prototype.setEditable = function(editable) {
+  this.editable_ = editable;
+};
+
 /**
  * Returns this comment's text.
  * @return {string} Comment text.
diff --git a/core/workspace_comment_render_svg.js b/core/workspace_comment_render_svg.js
index 6ba4383c2..c2bc5f047 100644
--- a/core/workspace_comment_render_svg.js
+++ b/core/workspace_comment_render_svg.js
@@ -160,6 +160,7 @@ Blockly.WorkspaceCommentSvg.prototype.createEditor_ = function() {
   var textarea = document.createElementNS(Blockly.utils.dom.HTML_NS, 'textarea');
   textarea.className = 'blocklyCommentTextarea';
   textarea.setAttribute('dir', this.RTL ? 'RTL' : 'LTR');
+  textarea.readOnly = !this.isEditable();
   body.appendChild(textarea);
   this.textarea_ = textarea;
   this.foreignObject_.appendChild(body);
diff --git a/core/workspace_comment_svg.js b/core/workspace_comment_svg.js
index 80916a837..a2fcef7cc 100644
--- a/core/workspace_comment_svg.js
+++ b/core/workspace_comment_svg.js
@@ -483,6 +483,17 @@ Blockly.WorkspaceCommentSvg.prototype.setMovable = function(movable) {
   this.updateMovable();
 };
 
+/**
+ * Set whether this comment is editable or not.
+ * @param {boolean} editable True if editable.
+ */
+Blockly.WorkspaceCommentSvg.prototype.setEditable = function(editable) {
+  Blockly.WorkspaceCommentSvg.superClass_.setEditable.call(this, editable);
+  if (this.textarea_) {
+    this.textarea_.readOnly = !editable;
+  }
+};
+
 /**
  * Recursively adds or removes the dragging class to this node and its children.
  * @param {boolean} adding True if adding, false if removing.