Merge pull request #49 from learnhouse/feat/math-extension

feat: add math extension to editor

front/components/Editor/Editor.tsx

@@ -19,6 +19,7 @@ import ImageBlock from "./Extensions/Image/ImageBlock";
 import Youtube from "@tiptap/extension-youtube";
 import VideoBlock from "./Extensions/Video/VideoBlock";
 import { Save } from "lucide-react";
+import MathEquationBlock from "./Extensions/MathEquation/MathEquationBlock";
 
 interface Editor {
   content: string;
@@ -54,6 +55,10 @@ function Editor(props: Editor) {
         editable: true,
         lecture: props.lecture,
       }),
+      MathEquationBlock.configure({
+        editable: true,
+        lecture: props.lecture,
+      }),
       Youtube.configure({
         controls: true,
         modestBranding: true,

front/components/Editor/Extensions/MathEquation/MathEquationBlock.ts

@@ -0,0 +1,35 @@
+import { mergeAttributes, Node } from "@tiptap/core";
+import { ReactNodeViewRenderer } from "@tiptap/react";
+
+import MathEquationBlockComponent from "./MathEquationBlockComponent";
+
+export default Node.create({
+  name: "blockMathEquation",
+  group: "block",
+
+  atom: true,
+
+  addAttributes() {
+    return {
+      math_equation: {
+        default: "",
+      },
+    };
+  },
+
+  parseHTML() {
+    return [
+      {
+        tag: "block-math-equation",
+      },
+    ];
+  },
+
+  renderHTML({ HTMLAttributes }) {
+    return ["block-math-equation", mergeAttributes(HTMLAttributes), 0];
+  },
+
+  addNodeView() {
+    return ReactNodeViewRenderer(MathEquationBlockComponent);
+  },
+});

front/components/Editor/Extensions/MathEquation/MathEquationBlockComponent.tsx

@@ -0,0 +1,116 @@
+import { NodeViewWrapper } from "@tiptap/react";
+import React from "react";
+import styled from "styled-components";
+import "katex/dist/katex.min.css";
+import { InlineMath, BlockMath } from "react-katex";
+import { Edit, Save } from "lucide-react";
+
+function MathEquationBlockComponent(props: any) {
+  const [equation, setEquation] = React.useState(props.node.attrs.math_equation);
+  const [isEditing, setIsEditing] = React.useState(false);
+  const isEditable = props.extension.options.editable;
+
+  const handleEquationChange = (event: React.ChangeEvent<any>) => {
+    setEquation(event.target.value);
+    props.updateAttributes({
+      math_equation: equation,
+    });
+  };
+
+  const saveEquation = () => {
+    props.updateAttributes({
+      math_equation: equation,
+    });
+    setIsEditing(false);
+  };
+
+  return (
+    <NodeViewWrapper className="block-math-equation">
+      <MathEqWrapper>
+        {isEditable && (
+          <MathEqTopMenu>
+            <button onClick={() => setIsEditing(true)}>
+              <Edit size={15}></Edit>
+            </button>
+          </MathEqTopMenu>
+        )}
+        <BlockMath>{equation}</BlockMath>
+        {isEditing && (
+          <EditBar>
+            <input value={equation} onChange={handleEquationChange} placeholder="Insert a Math Equation (LaTeX) " type="text" />
+            <button onClick={() => saveEquation()}>
+              <Save size={15}></Save>
+            </button>
+          </EditBar>
+        )}
+      </MathEqWrapper>
+    </NodeViewWrapper>
+  );
+}
+
+export default MathEquationBlockComponent;
+
+const MathEqWrapper = styled.div`
+  display: flex;
+  flex-direction: column;
+  background: #f9f9f9a2;
+  border-radius: 8px;
+  margin: 20px;
+  padding: 20px;
+  min-height: 74px;
+  border: ${(props) => (props.contentEditable ? "2px dashed #713f1117" : "none")};
+`;
+
+const MathEqTopMenu = styled.div`
+  display: flex;
+  justify-content: flex-end;
+  button {
+    margin-left: 10px;
+    cursor: pointer;
+    border: none;
+    background: none;
+    font-size: 14px;
+    color: #494949;
+  }
+`;
+
+const EditBar = styled.div`
+  display: flex;
+  justify-content: flex-end;
+  margin-top: 10px;
+  background-color: white;
+  border-radius: 10px;
+  padding: 5px;
+  color: #5252528d;
+  align-items: center;
+  justify-content: space-between;
+  height: 50px;
+  border: solid 1px #52525224;
+
+  button {
+    margin-left: 10px;
+    margin-right: 7px;
+    cursor: pointer;
+    border: none;
+    background: none;
+    font-size: 14px;
+    color: #494949;
+  }
+
+  input {
+    border: none;
+    background: none;
+    font-size: 14px;
+    color: #494949;
+    width: 100%;
+    font-family: "DM Sans", sans-serif;
+    padding-left: 10px;
+    &:focus {
+      outline: none;
+    }
+
+    &::placeholder {
+      color: #49494936;
+    }
+  }
+`;

front/components/Editor/Toolbar/ToolbarButtons.tsx

@@ -1,6 +1,6 @@
 import styled from "styled-components";
 import { FontBoldIcon, FontItalicIcon, StrikethroughIcon, ArrowLeftIcon, ArrowRightIcon, OpacityIcon } from "@radix-ui/react-icons";
-import { AlertCircle, AlertTriangle, ImagePlus, Info, Video, Youtube } from "lucide-react";
+import { AlertCircle, AlertTriangle, ImagePlus, Info, Sigma, Video, Youtube } from "lucide-react";
 
 export const ToolbarButtons = ({ editor }: any) => {
   if (!editor) {
@@ -90,6 +90,19 @@ export const ToolbarButtons = ({ editor }: any) => {
       <ToolBtn onClick={() => addYoutubeVideo()}>
         <Youtube size={15} />
       </ToolBtn>
+      <ToolBtn
+        onClick={() =>
+          editor
+            .chain()
+            .focus()
+            .insertContent({
+              type: "blockMathEquation",
+            })
+            .run()
+        }
+      >
+        <Sigma size={15} />
+      </ToolBtn>
     </ToolButtonsWrapper>
   );
 };

front/components/LectureViews/DynamicCanva/DynamicCanva.tsx

@@ -9,6 +9,7 @@ import Youtube from "@tiptap/extension-youtube";
 import { EditorContentWrapper } from "@editor/Editor";
 import VideoBlock from "@editor/Extensions/Video/VideoBlock";
 import { styled } from "styled-components";
+import MathEquationBlock from "@components/Editor/Extensions/MathEquation/MathEquationBlock";
 
 interface Editor {
   content: string;
@@ -37,6 +38,10 @@ function Canva(props: Editor) {
         editable: true,
         lecture: props.lecture,
       }),
+      MathEquationBlock.configure({
+        editable: false,
+        lecture: props.lecture,
+      }),
       Youtube.configure({
         controls: true,
         modestBranding: true,

front/package-lock.json

@@ -23,6 +23,7 @@
         "react": "^18.2.0",
         "react-beautiful-dnd": "^13.1.1",
         "react-dom": "^18.2.0",
+        "react-katex": "^3.0.1",
         "styled-components": "^6.0.0-beta.9",
         "swr": "^2.0.1",
         "y-indexeddb": "^9.0.9",
@@ -34,6 +35,7 @@
         "@types/react": "18.0.20",
         "@types/react-beautiful-dnd": "^13.1.2",
         "@types/react-dom": "18.0.6",
+        "@types/react-katex": "^3.0.0",
         "@types/styled-components": "^5.1.26",
         "autoprefixer": "^10.4.12",
         "eslint": "8.23.1",
@@ -3020,6 +3022,15 @@
         "@types/react": "*"
       }
     },
+    "node_modules/@types/react-katex": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@types/react-katex/-/react-katex-3.0.0.tgz",
+      "integrity": "sha512-AiHHXh71a2M7Z6z1wj6iA23SkiRF9r0neHUdu8zjU/cT3MyLxDefYHbcceKhV/gjDEZgF3YaiNHyPNtoGUjPvg==",
+      "dev": true,
+      "dependencies": {
+        "@types/react": "*"
+      }
+    },
     "node_modules/@types/react-redux": {
       "version": "7.1.24",
       "resolved": "https://registry.npmjs.org/@types/react-redux/-/react-redux-7.1.24.tgz",
@@ -5294,6 +5305,29 @@
         "node": ">=4.0"
       }
     },
+    "node_modules/katex": {
+      "version": "0.16.4",
+      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.4.tgz",
+      "integrity": "sha512-WudRKUj8yyBeVDI4aYMNxhx5Vhh2PjpzQw1GRu/LVGqL4m1AxwD1GcUp0IMbdJaf5zsjtj8ghP0DOQRYhroNkw==",
+      "funding": [
+        "https://opencollective.com/katex",
+        "https://github.com/sponsors/katex"
+      ],
+      "dependencies": {
+        "commander": "^8.0.0"
+      },
+      "bin": {
+        "katex": "cli.js"
+      }
+    },
+    "node_modules/katex/node_modules/commander": {
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-8.3.0.tgz",
+      "integrity": "sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww==",
+      "engines": {
+        "node": ">= 12"
+      }
+    },
     "node_modules/language-subtag-registry": {
       "version": "0.3.22",
       "resolved": "https://registry.npmjs.org/language-subtag-registry/-/language-subtag-registry-0.3.22.tgz",
@@ -6083,6 +6117,18 @@
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
       "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
     },
+    "node_modules/react-katex": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/react-katex/-/react-katex-3.0.1.tgz",
+      "integrity": "sha512-wIUW1fU5dHlkKvq4POfDkHruQsYp3fM8xNb/jnc8dnQ+nNCnaj0sx5pw7E6UyuEdLRyFKK0HZjmXBo+AtXXy0A==",
+      "dependencies": {
+        "katex": "^0.16.0"
+      },
+      "peerDependencies": {
+        "prop-types": "^15.8.1",
+        "react": ">=15.3.2 <=18"
+      }
+    },
     "node_modules/react-redux": {
       "version": "7.2.9",
       "resolved": "https://registry.npmjs.org/react-redux/-/react-redux-7.2.9.tgz",
@@ -9227,6 +9273,15 @@
         "@types/react": "*"
       }
     },
+    "@types/react-katex": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@types/react-katex/-/react-katex-3.0.0.tgz",
+      "integrity": "sha512-AiHHXh71a2M7Z6z1wj6iA23SkiRF9r0neHUdu8zjU/cT3MyLxDefYHbcceKhV/gjDEZgF3YaiNHyPNtoGUjPvg==",
+      "dev": true,
+      "requires": {
+        "@types/react": "*"
+      }
+    },
     "@types/react-redux": {
       "version": "7.1.24",
       "resolved": "https://registry.npmjs.org/@types/react-redux/-/react-redux-7.1.24.tgz",
@@ -10842,6 +10897,21 @@
         "object.assign": "^4.1.3"
       }
     },
+    "katex": {
+      "version": "0.16.4",
+      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.4.tgz",
+      "integrity": "sha512-WudRKUj8yyBeVDI4aYMNxhx5Vhh2PjpzQw1GRu/LVGqL4m1AxwD1GcUp0IMbdJaf5zsjtj8ghP0DOQRYhroNkw==",
+      "requires": {
+        "commander": "^8.0.0"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "8.3.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-8.3.0.tgz",
+          "integrity": "sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww=="
+        }
+      }
+    },
     "language-subtag-registry": {
       "version": "0.3.22",
       "resolved": "https://registry.npmjs.org/language-subtag-registry/-/language-subtag-registry-0.3.22.tgz",
@@ -11420,6 +11490,14 @@
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
       "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
     },
+    "react-katex": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/react-katex/-/react-katex-3.0.1.tgz",
+      "integrity": "sha512-wIUW1fU5dHlkKvq4POfDkHruQsYp3fM8xNb/jnc8dnQ+nNCnaj0sx5pw7E6UyuEdLRyFKK0HZjmXBo+AtXXy0A==",
+      "requires": {
+        "katex": "^0.16.0"
+      }
+    },
     "react-redux": {
       "version": "7.2.9",
       "resolved": "https://registry.npmjs.org/react-redux/-/react-redux-7.2.9.tgz",

front/package.json

@@ -24,6 +24,7 @@
     "react": "^18.2.0",
     "react-beautiful-dnd": "^13.1.1",
     "react-dom": "^18.2.0",
+    "react-katex": "^3.0.1",
     "styled-components": "^6.0.0-beta.9",
     "swr": "^2.0.1",
     "y-indexeddb": "^9.0.9",
@@ -35,6 +36,7 @@
     "@types/react": "18.0.20",
     "@types/react-beautiful-dnd": "^13.1.2",
     "@types/react-dom": "18.0.6",
+    "@types/react-katex": "^3.0.0",
     "@types/styled-components": "^5.1.26",
     "autoprefixer": "^10.4.12",
     "eslint": "8.23.1",