init commit

public/preload.js

@@ -0,0 +1,142 @@
+// /*
+// 	name: powerful_clipboard_manager
+// 	author: Github @ZiuChen
+// 	lastUpdate: v0.0.1 2022/08/14
+// 	desc: 监听剪贴板 读写本地文件
+// */
+
+const fs = require('fs')
+const crypto = require('crypto')
+const { clipboard } = require('electron')
+const nativeImage = require('electron').nativeImage
+
+const home = utools.getPath('home')
+
+const dbName = '_utools_clipboard_manager_storage'
+
+class DB {
+  constructor(path) {
+    const d = new Date()
+    this.path = path
+    this.dataBase = {}
+    this.createTime = d.getTime()
+    this.updateTime = d.getTime()
+  }
+  init() {
+    const isExist = fs.existsSync(this.path)
+
+    if (isExist) {
+      const data = fs.readFileSync(this.path, {
+        encoding: 'utf8'
+      })
+
+      try {
+        const dataBase = JSON.parse(data)
+        this.dataBase = dataBase
+      } catch (err) {
+        utools.showNotification('读取剪切板出错' + err)
+        return
+      }
+
+      return
+    }
+
+    const defaultDB = {
+      data: [],
+      createTime: this.createTime,
+      updateTime: this.updateTime
+    }
+
+    this.dataBase = defaultDB
+    this.updateDataBaseLocal(defaultDB)
+  }
+  updateDataBase() {
+    // 更新内存数据
+    this.dataBase.updateTime = new Date().getTime()
+  }
+  updateDataBaseLocal(dataBase) {
+    // 更新文件数据
+    fs.writeFileSync(this.path, JSON.stringify(dataBase || this.dataBase), (err) => {
+      if (err) {
+        utools.showNotification('写入剪切板出错' + err)
+        return
+      }
+    })
+  }
+  setItem(cItem) {
+    this.dataBase.data.unshift(cItem)
+    this.updateDataBase()
+    this.updateDataBaseLocal()
+  }
+  emptyDataBase() {
+    this.dataBase.data = []
+    this.updateDataBase()
+    this.updateDataBaseLocal()
+  }
+  filterDataBase(key) {
+    // 过滤展示数据
+    // TODO: 添加文件/目录名筛选
+    const filterValue = key.toLowerCase()
+    const textItems = this.dataBase.data.filter((item) => item.type === 'text')
+    return textItems.filter((item) => item.data.toLowerCase().indexOf(filterValue) !== -1)
+  }
+}
+
+// inu1255: pbpaste & watchClipboard
+function pbpaste() {
+  // let file;
+  // if (file) return {type: "file", data: file};
+  const image = clipboard.readImage()
+  if (!image.isEmpty())
+    return {
+      type: 'image',
+      size: `${image.getSize().width}x${image.getSize().height}`,
+      data: image.toDataURL()
+    }
+  let text = clipboard.readText()
+  if (text.trim()) return { type: 'text', data: text }
+}
+
+function watchClipboard(fn) {
+  let prev = {}
+  setInterval(() => {
+    const item = pbpaste()
+    console.log(item)
+    // 比较前后两次剪切板内容的哈希值是否相同 如果相同则不更新
+    item._id = crypto.createHash('md5').update(item).digest('hex')
+    if (item && prev._id != item._id) {
+      // 剪切板有更新
+      prev = item
+      fn(item)
+    }
+  }, 500)
+}
+
+function copy(item) {
+  switch (item.type) {
+    case 'text':
+      clipboard.writeText(item.data)
+      break
+    case 'image':
+      const nImg = nativeImage.createFromDataURL(item.data)
+      clipboard.writeImage(nImg)
+      break
+    case 'file':
+      clipboard.writeText(item.data)
+      break
+  }
+}
+
+const path = `${home}\\${dbName}`
+const db = new DB(path)
+db.init()
+
+watchClipboard((item) => {
+  if (!item) return
+  item.id = crypto.createHash('md5').update(item.data).digest('hex')
+  item.createTime = new Date().getTime()
+  db.setItem(item)
+})
+
+window.db = db
+window.copy = copy