From 27df91d19d7720bbd143f3f447807bfae583d5df Mon Sep 17 00:00:00 2001
From: bob <bcz@cs.brown.edu>
Date: Mon, 9 Dec 2019 16:39:32 -0500
Subject: added preliminary support for paragraph indenting and hanging
 indents.

---
 src/client/util/ParagraphNodeSpec.ts |  2 +-
 src/client/util/RichTextRules.ts     | 28 ++++++++++++++++++++++++++++
 src/client/util/RichTextSchema.tsx   | 13 +------------
 3 files changed, 30 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/client/util/ParagraphNodeSpec.ts b/src/client/util/ParagraphNodeSpec.ts
index 3a993e1ff..593aec498 100644
--- a/src/client/util/ParagraphNodeSpec.ts
+++ b/src/client/util/ParagraphNodeSpec.ts
@@ -115,7 +115,7 @@ function toDOM(node: Node): DOMOutputSpec {
         attrs.id = id;
     }
 
-    return ['p', attrs, 0];
+    return ['p', { ...attrs, ...{ style: `text-indent: ${indent}; padding-left: ${indent < 0 ? -indent : undefined};` } }, 0];
 }
 
 export const toParagraphDOM = toDOM;
diff --git a/src/client/util/RichTextRules.ts b/src/client/util/RichTextRules.ts
index c9414fb0b..4e60976d5 100644
--- a/src/client/util/RichTextRules.ts
+++ b/src/client/util/RichTextRules.ts
@@ -114,6 +114,34 @@ export const inpRules = {
                 if (node?.marks.findIndex((m: any) => m.type === schema.marks.user_tag) !== -1) return state.tr.removeMark(start, end, schema.marks.user_tag);
                 return node ? state.tr.addMark(start, end, schema.marks.user_tag.create({ userid: Doc.CurrentUserEmail, tag: "ignore", modified: Math.round(Date.now() / 1000 / 60) })) : state.tr;
             }),
+        new InputRule(
+            new RegExp(/d$/),
+            (state, match, start, end) => {
+                if (state.selection.to === state.selection.from) return null;
+                const pos = (state.doc.resolve(start) as any);
+                let depth = pos.path.length / 3 - 1;
+                for (; depth >= 0; depth--) {
+                    if (pos.node(depth).type === schema.nodes.paragraph) {
+                        const replaced = state.tr.setNodeMarkup(pos.pos - pos.parentOffset - 1, pos.node(depth).type, { ...pos.node(depth).attrs, indent: 25 });
+                        return replaced.setSelection(new TextSelection(replaced.doc.resolve(end - 2)));
+                    }
+                }
+                return null;
+            }),
+        new InputRule(
+            new RegExp(/h$/),
+            (state, match, start, end) => {
+                if (state.selection.to === state.selection.from) return null;
+                const pos = (state.doc.resolve(start) as any);
+                let depth = pos.path.length / 3 - 1;
+                for (; depth >= 0; depth--) {
+                    if (pos.node(depth).type === schema.nodes.paragraph) {
+                        const replaced = state.tr.setNodeMarkup(pos.pos - pos.parentOffset - 1, pos.node(depth).type, { ...pos.node(depth).attrs, indent: -25 });
+                        return replaced.setSelection(new TextSelection(replaced.doc.resolve(end - 2)));
+                    }
+                }
+                return null;
+            }),
         new InputRule(
             new RegExp(/!$/),
             (state, match, start, end) => {
diff --git a/src/client/util/RichTextSchema.tsx b/src/client/util/RichTextSchema.tsx
index 9e95314a9..02ede3419 100644
--- a/src/client/util/RichTextSchema.tsx
+++ b/src/client/util/RichTextSchema.tsx
@@ -18,9 +18,8 @@ import { Transform } from "./Transform";
 import React = require("react");
 import { BoolCast, NumCast } from "../../new_fields/Types";
 import { FormattedTextBox } from "../views/nodes/FormattedTextBox";
-import { any } from "bluebird";
 
-const pDOM: DOMOutputSpecArray = ["p", 0], blockquoteDOM: DOMOutputSpecArray = ["blockquote", 0], hrDOM: DOMOutputSpecArray = ["hr"],
+const blockquoteDOM: DOMOutputSpecArray = ["blockquote", 0], hrDOM: DOMOutputSpecArray = ["hr"],
     preDOM: DOMOutputSpecArray = ["pre", ["code", 0]], brDOM: DOMOutputSpecArray = ["br"], ulDOM: DOMOutputSpecArray = ["ul", 0];
 
 // :: Object
@@ -31,7 +30,6 @@ export const nodes: { [index: string]: NodeSpec } = {
         content: "block+"
     },
 
-
     footnote: {
         group: "inline",
         content: "inline*",
@@ -46,15 +44,6 @@ export const nodes: { [index: string]: NodeSpec } = {
         parseDOM: [{ tag: "footnote" }]
     },
 
-    // // :: NodeSpec A plain paragraph textblock. Represented in the DOM
-    // // as a `<p>` element.
-    // paragraph: {
-    //     content: "inline*",
-    //     group: "block",
-    //     parseDOM: [{ tag: "p" }],
-    //     toDOM() { return pDOM; }
-    // },
-
     paragraph: ParagraphNodeSpec,
 
     // :: NodeSpec A blockquote (`<blockquote>`) wrapping one or more blocks.
-- 
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