From 4475f2a89c2f2adf3fcc68bad4054f9710199875 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Fri, 12 Mar 2021 17:46:27 +0800
Subject: ...

---
 FrontEnd/src/app/locales/en/translation.json       |   2 +
 FrontEnd/src/app/locales/zh/translation.json       |   2 +
 FrontEnd/src/app/services/TimelinePostBuilder.ts   |   6 +-
 .../app/views/timeline-common/MarkdownPostEdit.tsx | 116 +++++++++++++++++++++
 4 files changed, 125 insertions(+), 1 deletion(-)
 create mode 100644 FrontEnd/src/app/views/timeline-common/MarkdownPostEdit.tsx

(limited to 'FrontEnd/src')

diff --git a/FrontEnd/src/app/locales/en/translation.json b/FrontEnd/src/app/locales/en/translation.json
index 4002ee4f..5613668e 100644
--- a/FrontEnd/src/app/locales/en/translation.json
+++ b/FrontEnd/src/app/locales/en/translation.json
@@ -2,7 +2,9 @@
   "welcome": "Welcome!",
   "search": "Search",
   "edit": "Edit",
+  "image": "Image",
   "done": "Done",
+  "preview": "Preview",
   "loadFailReload": "Load failed, <1>click here to reload</1>.",
   "error": {
     "network": "Network error.",
diff --git a/FrontEnd/src/app/locales/zh/translation.json b/FrontEnd/src/app/locales/zh/translation.json
index 3f966d7c..c73f2876 100644
--- a/FrontEnd/src/app/locales/zh/translation.json
+++ b/FrontEnd/src/app/locales/zh/translation.json
@@ -2,7 +2,9 @@
   "welcome": "欢迎！",
   "search": "搜索",
   "edit": "编辑",
+  "image": "图片",
   "done": "完成",
+  "preview": "预览",
   "loadFailReload": "加载失败，<1>点击重试</1>。",
   "error": {
     "network": "网络错误。",
diff --git a/FrontEnd/src/app/services/TimelinePostBuilder.ts b/FrontEnd/src/app/services/TimelinePostBuilder.ts
index 8594fa49..f6c8f881 100644
--- a/FrontEnd/src/app/services/TimelinePostBuilder.ts
+++ b/FrontEnd/src/app/services/TimelinePostBuilder.ts
@@ -10,7 +10,7 @@ import { UiLogicError } from "@/common";
 import { base64 } from "@/http/common";
 import { HttpTimelinePostPostRequest } from "@/http/timeline";
 
-export class TimelinePostBuilder {
+export default class TimelinePostBuilder {
   private _onChange: () => void;
   private _text = "";
   private _images: { file: File; url: string }[] = [];
@@ -86,6 +86,10 @@ export class TimelinePostBuilder {
     this._onChange();
   }
 
+  get text(): string {
+    return this._text;
+  }
+
   get images(): { file: File; url: string }[] {
     return this._images;
   }
diff --git a/FrontEnd/src/app/views/timeline-common/MarkdownPostEdit.tsx b/FrontEnd/src/app/views/timeline-common/MarkdownPostEdit.tsx
new file mode 100644
index 00000000..079344e1
--- /dev/null
+++ b/FrontEnd/src/app/views/timeline-common/MarkdownPostEdit.tsx
@@ -0,0 +1,116 @@
+import React from "react";
+import { Nav, Form } from "react-bootstrap";
+import { useTranslation } from "react-i18next";
+
+import { getHttpTimelineClient, HttpTimelinePostInfo } from "@/http/timeline";
+
+import TimelinePostBuilder from "@/services/TimelinePostBuilder";
+
+export interface MarkdownPostEditProps {
+  timeline: string;
+  onPosted: (post: HttpTimelinePostInfo) => void;
+}
+
+const MarkdownPostEdit: React.FC<MarkdownPostEditProps> = ({
+  timeline: timelineName,
+  onPosted,
+}) => {
+  const { t } = useTranslation();
+
+  const [tab, setTab] = React.useState<"text" | "images" | "preview">("text");
+
+  const [process, setProcess] = React.useState<boolean>(false);
+
+  const [text, _setText] = React.useState<string>("");
+  const [images, _setImages] = React.useState<{ file: File; url: string }[]>(
+    []
+  );
+  const [previewHtml, _setPreviewHtml] = React.useState<string>("");
+
+  const _builder = React.useRef<TimelinePostBuilder | null>(null);
+
+  const getBuilder = (): TimelinePostBuilder => {
+    if (_builder.current == null) {
+      const builder = new TimelinePostBuilder(() => {
+        _setText(builder.text);
+        _setImages(builder.images);
+        _setPreviewHtml(builder.renderHtml());
+      });
+      _builder.current = builder;
+    }
+    return _builder.current;
+  };
+
+  React.useEffect(() => {
+    return () => {
+      getBuilder().dispose();
+    };
+  }, []);
+
+  const send = async (): Promise<void> => {
+    const dataList = await getBuilder().build();
+    const post = await getHttpTimelineClient().postPost(timelineName, {
+      dataList,
+    });
+    onPosted(post);
+  };
+
+  return (
+    <div>
+      <Nav variant="tabs" className="my-2">
+        <Nav.Item>
+          <Nav.Link
+            active={tab === "text"}
+            onClick={() => {
+              setTab("text");
+            }}
+          >
+            {t("edit")}
+          </Nav.Link>
+        </Nav.Item>
+        <Nav.Item>
+          <Nav.Link
+            active={tab === "images"}
+            onClick={() => {
+              setTab("images");
+            }}
+          >
+            {t("image")}
+          </Nav.Link>
+        </Nav.Item>
+        <Nav.Item>
+          <Nav.Link
+            active={tab === "preview"}
+            onClick={() => {
+              setTab("preview");
+            }}
+          >
+            {t("preview")}
+          </Nav.Link>
+        </Nav.Item>
+      </Nav>
+      <div>
+        {(() => {
+          if (tab === "text") {
+            return (
+              <Form.Control
+                as="textarea"
+                value={text}
+                disabled={process}
+                onChange={(event) => {
+                  getBuilder().setMarkdownText(event.currentTarget.value);
+                }}
+              />
+            );
+          } else if (tab === "images") {
+            return <div></div>;
+          } else {
+            return <div dangerouslySetInnerHTML={{ __html: previewHtml }} />;
+          }
+        })()}
+      </div>
+    </div>
+  );
+};
+
+export default MarkdownPostEdit;
-- 
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