From 47a7c77e201019388bb95b97ca7ceebcfabcd68f Mon Sep 17 00:00:00 2001
From: purocean <purocean@gmail.com>
Date: Mon, 13 Jan 2020 17:44:50 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=A4=8D=E5=88=B6=E4=BB=A3?=
 =?UTF-8?q?=E7=A0=81=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/src/components/Preview.vue |  2 ++
 frontend/src/plugins/CodePlugin.js  | 12 ++++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 frontend/src/plugins/CodePlugin.js

diff --git a/frontend/src/components/Preview.vue b/frontend/src/components/Preview.vue
index 3c8d8d41..db583f7c 100644
--- a/frontend/src/components/Preview.vue
+++ b/frontend/src/components/Preview.vue
@@ -58,6 +58,7 @@ import LinkTargetPlugin from '../plugins/LinkTargetPlugin'
 import DrawioPlugin from '../plugins/DrawioPlugin'
 import PlantumlPlugin from '../plugins/PlantumlPlugin'
 import MermaidPlugin from '../plugins/MermaidPlugin'
+import CodePlugin from '../plugins/CodePlugin'
 import file from '@/lib/file'
 import env from '@/lib/env'
 import { encodeMarkdownLink } from '@/lib/utils'
@@ -94,6 +95,7 @@ const markdown = Markdown({
   .use(MarkdownItToc)
   .use(MarkdownItECharts)
   .use(MermaidPlugin)
+  .use(CodePlugin)
 
 export default {
   name: 'xview',
diff --git a/frontend/src/plugins/CodePlugin.js b/frontend/src/plugins/CodePlugin.js
new file mode 100644
index 00000000..754f9ad8
--- /dev/null
+++ b/frontend/src/plugins/CodePlugin.js
@@ -0,0 +1,12 @@
+export default (md) => {
+  const Fun = fn => (tokens, idx, options, env, slf) => {
+    if (tokens[idx].attrIndex('title') < 0) {
+      tokens[idx].attrPush(['title', 'Ctrl + 单击复制代码'])
+      tokens[idx].attrPush(['onclick', `event.ctrlKey && window.appVm.$bus.emit('copy-text', this.innerText)`])
+    }
+
+    return (fn)(tokens, idx, options, env, slf)
+  }
+
+  md.renderer.rules.code_inline = Fun(md.renderer.rules.code_inline.bind(md.renderer.rules))
+}