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/RichTextRules.ts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'src/client/util/RichTextRules.ts')

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) => {
-- 
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