Merge branch 'pen' of https://github.com/browngraphicslab/Dash-Web into pen

1 files changed, 20 insertions, 1 deletions

diff --git a/src/new_fields/RichTextField.ts b/src/new_fields/RichTextField.ts
index a0f21f45e..7b6ce9b98 100644
--- a/src/new_fields/RichTextField.ts
+++ b/src/new_fields/RichTextField.ts
@@ -1,9 +1,12 @@
 import { ObjectField } from "./ObjectField";
 import { serializable } from "serializr";
 import { Deserializable } from "../client/util/SerializationHelper";
-import { Copy, ToScriptString, ToString } from "./FieldSymbols";
+import { Copy, ToScriptString, ToPlainText, ToString } from "./FieldSymbols";
 import { scriptingGlobal } from "../client/util/Scripting";
 
+const delimiter = "\n";
+const joiner = "";
+
 @scriptingGlobal
 @Deserializable("RichTextField")
 export class RichTextField extends ObjectField {
@@ -30,4 +33,20 @@ export class RichTextField extends ObjectField {
         return this.Text;
     }
 
+    [ToPlainText]() {
+        // Because we're working with plain text, just concatenate all paragraphs
+        let content = JSON.parse(this.Data).doc.content;
+        let paragraphs = content.filter((item: any) => item.type === "paragraph");
+
+        // Functions to flatten ProseMirror paragraph objects (and their components) to plain text
+        // While this function already exists in state.doc.textBeteen(), it doesn't account for newlines 
+        let blockText = (block: any) => block.text;
+        let concatenateParagraph = (p: any) => (p.content ? p.content.map(blockText).join(joiner) : "") + delimiter;
+
+        // Concatentate paragraphs and string the result together
+        let textParagraphs: string[] = paragraphs.map(concatenateParagraph);
+        let plainText = textParagraphs.join(joiner);
+        return plainText.substring(0, plainText.length - 1);
+    }
+
 }
\ No newline at end of file