feat: inline formats

TODO.md

@@ -8,6 +8,7 @@
 - [ ] 在通过 Aganippe 打开文件时，通过右键选择软件，但是打开无内容。（严重 bug）
 - [ ] export html: (3) keyframe 和 font-face 以及 bar-top 的样式都可以删除。(4) 打包后的应用 axios 获取样式有问题。
 - [ ] table: 如果 table 在 selection 后面，那么删除cell 的时候，会把整个 row 删除了。（小 bug)
+- [ ] 处理 inline-format 选择中有 table 和 codeblock 的情况
 
 **菜单**
 

src/editor/contentState/formatCtrl.js

@@ -0,0 +1,248 @@
+import selection from '../selection'
+import { tokenizer, generator } from '../parser/parse'
+
+const FORMAT_TYPES = ['strong', 'em', 'del', 'inline_code', 'link', 'image']
+
+const getOffset = (offset, { range: { start, end }, type, anchor, title }) => {
+  const dis = offset - start
+  const len = end - start
+  switch (type) {
+    case 'strong':
+    case 'del':
+    case 'em':
+    case 'inline_code': {
+      const MARKER_LEN = (type === 'strong' || type === 'del') ? 2 : 1
+      if (dis < 0) return 0
+      if (dis >= 0 && dis < MARKER_LEN) return -dis
+      if (dis >= MARKER_LEN && dis <= len - MARKER_LEN) return -MARKER_LEN
+      if (dis > len - MARKER_LEN && dis <= len) return len - dis - 2 * MARKER_LEN
+      if (dis > len) return -2 * MARKER_LEN
+      break
+    }
+    case 'link': {
+      const MARKER_LEN = 1
+      if (dis < MARKER_LEN) return 0
+      if (dis >= MARKER_LEN && dis <= MARKER_LEN + anchor.length) return -1
+      if (dis > MARKER_LEN + anchor.length) return anchor.length - dis
+      break
+    }
+    case 'image': {
+      const MARKER_LEN = 1
+      if (dis < MARKER_LEN) return 0
+      if (dis >= MARKER_LEN && dis < MARKER_LEN * 2) return -1
+      if (dis >= MARKER_LEN * 2 && dis <= MARKER_LEN * 2 + title.length) return -2
+      if (dis > MARKER_LEN * 2 + title.length) return title.length - dis
+      break
+    }
+  }
+}
+
+const clearFormat = (token, { start, end }) => {
+  if (start) {
+    const deltaStart = getOffset(start.offset, token)
+    start.delata += deltaStart
+  }
+  if (end) {
+    const delataEnd = getOffset(end.offset, token)
+    end.delata += delataEnd
+  }
+  switch (token.type) {
+    case 'strong':
+    case 'del':
+    case 'em':
+    case 'link':
+    case 'image':
+      const parent = token.parent
+      const index = parent.indexOf(token)
+      parent.splice(index, 1, ...token.children)
+      break
+    case 'inline_code':
+      token.type = 'text'
+      delete token.marker
+      break
+  }
+}
+
+const addFormat = (type, block, { start, end }) => {
+  console.log(type, block, start, end)
+  const MARKER_MAP = {
+    'em': '*',
+    'inline_code': '`',
+    'strong': '**',
+    'del': '~~'
+  }
+  switch (type) {
+    case 'em':
+    case 'del':
+    case 'inline_code':
+    case 'strong': {
+      const MARKER = MARKER_MAP[type]
+      const oldText = block.text
+      block.text = oldText.substring(0, start.offset) +
+        MARKER + oldText.substring(start.offset, end.offset) +
+        MARKER + oldText.substring(end.offset)
+      start.offset += MARKER.length
+      end.offset += MARKER.length
+      break
+    }
+    case 'link':
+    case 'image': {
+      const oldText = block.text
+      block.text = oldText.substring(0, start.offset) +
+        (type === 'link' ? '[' : '![') +
+        oldText.substring(start.offset, end.offset) + ']()' +
+        oldText.substring(end.offset)
+      start.offset += type === 'link' ? 1 : 2
+      end.offset += type === 'link' ? 1 : 2
+      break
+    }
+  }
+}
+
+const formatCtrl = ContentState => {
+  ContentState.prototype.selectionFormats = function ({ start, end } = selection.getCursorRange()) {
+    const startBlock = this.getBlock(start.key)
+    const formats = []
+    const neighbors = []
+    let tokens = []
+    if (start.key === end.key) {
+      const text = startBlock.text
+      tokens = tokenizer(text)
+      ;(function iterator (tks) {
+        for (const token of tks) {
+          if (
+            FORMAT_TYPES.includes(token.type) &&
+            start.offset >= token.range.start &&
+            end.offset <= token.range.end
+          ) {
+            formats.push(token)
+          }
+          if (
+            FORMAT_TYPES.includes(token.type) &&
+            ((start.offset >= token.range.start && start.offset <= token.range.end) ||
+            (end.offset >= token.range.start && end.offset <= token.range.end) ||
+            (start.offset <= token.range.start && token.range.end <= end.offset))
+          ) {
+            neighbors.push(token)
+          }
+          if (token.children && token.children.length) {
+            iterator(token.children)
+          }
+        }
+      })(tokens)
+    }
+
+    return { formats, tokens, neighbors }
+  }
+
+  ContentState.prototype.clearBlockFormat = function (block, { start, end } = selection.getCursorRange(), type) {
+    const { key } = block
+    let tokens
+    let neighbors
+    if (start.key === end.key && start.key === key) {
+      ({ tokens, neighbors } = this.selectionFormats({ start, end }))
+    } else if (start.key !== end.key && start.key === key) {
+      ({ tokens, neighbors } = this.selectionFormats({ start, end: { key: start.key, offset: block.text.length } }))
+    } else if (start.key !== end.key && end.key === key) {
+      ({ tokens, neighbors } = this.selectionFormats({
+        start: {
+          key: end.key,
+          offset: 0
+        },
+        end
+      }))
+    } else {
+      ({ tokens, neighbors } = this.selectionFormats({
+        start: {
+          key,
+          offset: 0
+        },
+        end: {
+          key,
+          offset: block.text.length
+        }
+      }))
+    }
+    console.log(neighbors)
+    neighbors = type ? neighbors.filter(n => n.type === type) : neighbors
+
+    for (const neighbor of neighbors) {
+      clearFormat(neighbor, { start, end })
+    }
+    start.offset += start.delata
+    end.offset += end.delata
+    block.text = generator(tokens)
+  }
+
+  ContentState.prototype.format = function (type) {
+    const { start, end } = selection.getCursorRange()
+    const startBlock = this.getBlock(start.key)
+    const endBlock = this.getBlock(end.key)
+    start.delata = end.delata = 0
+    if (start.key === end.key) {
+      const { formats, tokens, neighbors } = this.selectionFormats()
+      const currentFormats = formats.filter(format => format.type === type).reverse()
+      const currentNeightbors = neighbors.filter(format => format.type === type).reverse()
+      // cache delata
+      if (type === 'clear') {
+        for (const neighbor of neighbors) {
+          clearFormat(neighbor, { start, end })
+        }
+        start.offset += start.delata
+        end.offset += end.delata
+        startBlock.text = generator(tokens)
+      } else if (currentFormats.length) {
+        for (const token of currentFormats) {
+          clearFormat(token, { start, end })
+        }
+        start.offset += start.delata
+        end.offset += end.delata
+        startBlock.text = generator(tokens)
+      } else {
+        if (currentNeightbors.length) {
+          for (const neighbor of currentNeightbors) {
+            clearFormat(neighbor, { start, end })
+          }
+        }
+        start.offset += start.delata
+        end.offset += end.delata
+        startBlock.text = generator(tokens)
+        addFormat(type, startBlock, { start, end })
+      }
+      this.cursor = { start, end }
+      this.render()
+    } else {
+      let nextBlock = startBlock
+      const formatType = type !== 'clear' ? type : undefined
+      while (nextBlock && nextBlock !== endBlock) {
+        this.clearBlockFormat(nextBlock, { start, end }, formatType)
+        nextBlock = this.findNextBlockInLocation(nextBlock)
+      }
+      this.clearBlockFormat(endBlock, { start, end }, formatType)
+
+      if (type !== 'clear') {
+        addFormat(type, startBlock, {
+          start,
+          end: { offset: startBlock.text.length }
+        })
+        nextBlock = this.findNextBlockInLocation(startBlock)
+        while (nextBlock && nextBlock !== endBlock) {
+          addFormat(type, nextBlock, {
+            start: { offset: 0 },
+            end: { offset: nextBlock.text.length }
+          })
+          nextBlock = this.findNextBlockInLocation(nextBlock)
+        }
+        addFormat(type, endBlock, {
+          start: { offset: 0 },
+          end
+        })
+      }
+
+      this.cursor = { start, end }
+      this.render()
+    }
+  }
+}
+
+export default formatCtrl

src/editor/contentState/index.js

@@ -14,6 +14,7 @@ import pasteCtrl from './pasteCtrl'
 import copyCutCtrl from './copyCutCtrl'
 import paragraphCtrl from './paragraphCtrl'
 import tabCtrl from './tabCtrl'
+import formatCtrl from './formatCtrl'
 import importMarkdown from '../utils/importMarkdown'
 
 const prototypes = [
@@ -29,6 +30,7 @@ const prototypes = [
   copyCutCtrl,
   tableBlockCtrl,
   paragraphCtrl,
+  formatCtrl,
   importMarkdown
 ]
 
@@ -88,7 +90,6 @@ class ContentState {
     this.stateRender.render(blocks, cursor, activeBlocks)
     this.setCursor()
     this.pre2CodeMirror()
-    console.log('render')
   }
 
   createBlock (type = 'p', text = '') {

src/editor/index.js

@@ -303,7 +303,9 @@ class Aganippe {
       }
       if (event.type === 'click' || event.type === 'keyup') {
         const selectionChanges = this.contentState.selectionChange()
+        const { formats } = this.contentState.selectionFormats()
         eventCenter.dispatch('selectionChange', selectionChanges)
+        eventCenter.dispatch('selectionFormats', formats)
       }
     }
 
@@ -379,6 +381,10 @@ class Aganippe {
     this.contentState.updateParagraph(type)
   }
 
+  format (type) {
+    this.contentState.format(type)
+  }
+
   on (event, listener) {
     const { eventCenter } = this
     eventCenter.subscribe(event, listener)

src/editor/parser/StateRender.js

@@ -1,7 +1,7 @@
 import { LOWERCASE_TAGS, CLASS_OR_ID } from '../config'
 import { conflict, isLengthEven, isEven, getIdWithoutSet, loadImage, getImageSrc } from '../utils'
 import { insertAfter, operateClassName } from '../utils/domManipulate.js'
-import { tokenizer, generator } from './parse'
+import { tokenizer } from './parse'
 import { validEmoji } from '../emojis'
 
 const snabbdom = require('snabbdom')
@@ -115,8 +115,6 @@ class StateRender {
 
         return h(blockSelector, data, block.children.map(child => renderBlock(child)))
       } else {
-        const tokens = tokenizer(block.text)
-        console.log(generator(tokens))
         let children = block.text
           ? tokenizer(block.text).reduce((acc, token) => {
             const chunk = this[token.type](h, cursor, block, token)

src/editor/parser/parse.js

@@ -31,6 +31,7 @@ const tokenizerFac = (src, beginRules, inlineRules, pos = 0) => {
       if (to) {
         const token = {
           type: beginR[i],
+          parent: tokens,
           marker: to[1],
           content: to[2] || '',
           range: {
@@ -54,6 +55,7 @@ const tokenizerFac = (src, beginRules, inlineRules, pos = 0) => {
       tokens.push({
         type: 'backlash',
         marker: backTo[1],
+        parent: tokens,
         content: '',
         range: {
           start: pos,
@@ -86,6 +88,7 @@ const tokenizerFac = (src, beginRules, inlineRules, pos = 0) => {
             type,
             range,
             marker,
+            parent: tokens,
             content: to[2],
             backlash: to[3]
           })
@@ -94,6 +97,7 @@ const tokenizerFac = (src, beginRules, inlineRules, pos = 0) => {
             type,
             range,
             marker,
+            parent: tokens,
             children: tokenizerFac(to[2], undefined, inlineRules, pos + to[1].length),
             backlash: to[3]
           })
@@ -112,6 +116,8 @@ const tokenizerFac = (src, beginRules, inlineRules, pos = 0) => {
         type: 'link',
         marker: linkTo[1],
         href: linkTo[4],
+        parent: tokens,
+        anchor: linkTo[2],
         range: {
           start: pos,
           end: pos + linkTo[0].length
@@ -136,6 +142,7 @@ const tokenizerFac = (src, beginRules, inlineRules, pos = 0) => {
         type: 'image',
         marker: imageTo[1],
         src: imageTo[4],
+        parent: tokens,
         range: {
           start: pos,
           end: pos + imageTo[0].length
@@ -158,6 +165,7 @@ const tokenizerFac = (src, beginRules, inlineRules, pos = 0) => {
       tokens.push({
         type: 'auto_link',
         href: autoLTo[0],
+        parent: tokens,
         range: {
           start: pos,
           end: pos + autoLTo[0].length
@@ -182,9 +190,10 @@ export const tokenizer = src => {
   return tokenizerFac(src, beginRules, inlineRules, 0)
 }
 
-// transform `tokens` to text
+// transform `tokens` to text ignore the range of token
 export const generator = tokens => {
   let result = ''
+  const getBash = bash => bash !== undefined ? bash : ''
   for (const token of tokens) {
     switch (token.type) {
       case 'hr':
@@ -199,17 +208,17 @@ export const generator = tokens => {
       case 'em':
       case 'del':
       case 'strong':
-        result += `${token.marker}${generator(token.children)}${token.backlash}${token.marker}`
+        result += `${token.marker}${generator(token.children)}${getBash(token.backlash)}${token.marker}`
         break
       case 'emoji':
       case 'inline_code':
-        result += `${token.marker}${token.content}${token.backlash}${token.marker}`
+        result += `${token.marker}${token.content}${getBash(token.backlash)}${token.marker}`
         break
       case 'link':
-        result += `[${generator(token.children)}${token.backlash.first}](${token.href}${token.backlash.second})`
+        result += `[${generator(token.children)}${getBash(token.backlash.first)}](${token.href}${getBash(token.backlash.second)})`
         break
       case 'image':
-        result += `![${generator(token.children)}${token.backlash.first}](${token.src}${token.backlash.second})`
+        result += `![${generator(token.children)}${getBash(token.backlash.first)}](${token.src}${getBash(token.backlash.second)})`
         break
       case 'auto_link':
         result += token.href

src/main/actions/format.js

@@ -1,3 +1,30 @@
+import { ipcMain } from 'electron'
+import { getMenuItem } from '../utils'
+
+const FORMAT_MAP = {
+  'Strong': 'strong',
+  'Emphasis': 'em',
+  'Inline Code': 'inline_code',
+  'Strike': 'del',
+  'Hyperlink': 'link',
+  'Image': 'image'
+}
+
+const selectFormat = formats => {
+  const formatMenuItem = getMenuItem('Format')
+  formatMenuItem.submenu.items.forEach(item => (item.checked = false))
+  formatMenuItem.submenu.items
+    .forEach(item => {
+      if (formats.some(format => format.type === FORMAT_MAP[item.label])) {
+        item.checked = true
+      }
+    })
+}
+
 export const format = (win, type) => {
   win.webContents.send('AGANI::format', { type })
 }
+
+ipcMain.on('AGANI::selection-formats', (e, formats) => {
+  selectFormat(formats)
+})

src/main/actions/paragraph.js

@@ -1,24 +1,23 @@
-import { Menu, ipcMain } from 'electron'
+import { ipcMain } from 'electron'
+import { getMenuItem } from '../utils'
 
-const getParagraph = () => {
-  const menus = Menu.getApplicationMenu()
-  return menus.items.filter(menu => menu.label === 'Paragraph')[0]
-}
+const DISABLE_LABELS = [
+  'Heading 1', 'Heading 2', 'Heading 3', 'Heading 4', 'Heading 5', 'Heading 6',
+  'Upgrade Heading Level', 'Degrade Heading Level',
+  'Table', 'Hyperlink', 'Image'
+]
 
 const allCtrl = bool => {
-  const paragraphMenuItem = getParagraph()
-  paragraphMenuItem.submenu.items.forEach(item => (item.enabled = bool))
+  const paragraphMenuItem = getMenuItem('Paragraph')
+  paragraphMenuItem.submenu.items
+    .forEach(item => (item.enabled = bool))
 }
 
 const disableNoMultiple = () => {
-  const paragraphMenuItem = getParagraph()
-  const disableLabels = [
-    'Heading 1', 'Heading 2', 'Heading 3', 'Heading 4', 'Heading 5', 'Heading 6',
-    'Upgrade Heading Level', 'Degrade Heading Level',
-    'Table'
-  ]
+  const paragraphMenuItem = getMenuItem('Paragraph')
+
   paragraphMenuItem.submenu.items
-    .filter(item => disableLabels.includes(item.label))
+    .filter(item => DISABLE_LABELS.includes(item.label))
     .forEach(item => (item.enabled = false))
 }
 
@@ -27,10 +26,15 @@ export const paragraph = (win, type) => {
 }
 
 ipcMain.on('AGANI::selection-change', (e, { start, end }) => {
+  const formatMenuItem = getMenuItem('Format')
+  formatMenuItem.submenu.items.forEach(item => (item.enabled = true))
   allCtrl(true)
   if (/th|td/.test(start.type) || /th|td/.test(end.type)) {
     allCtrl(false)
   } else if (start.key !== end.key) {
+    formatMenuItem.submenu.items
+      .filter(item => DISABLE_LABELS.includes(item.label))
+      .forEach(item => (item.enabled = false))
     disableNoMultiple()
   }
 })

src/main/menus/format.js

@@ -4,41 +4,47 @@ export default {
   label: 'Format',
   submenu: [{
     label: 'Strong',
+    type: 'checkbox',
     accelerator: 'Shift+CmdOrCtrl+B',
     click (menuItem, browserWindow) {
       actions.format(browserWindow, 'strong')
     }
   }, {
     label: 'Emphasis',
+    type: 'checkbox',
     accelerator: 'CmdOrCtrl+E',
     click (menuItem, browserWindow) {
       actions.format(browserWindow, 'em')
     }
   }, {
     label: 'Inline Code',
+    type: 'checkbox',
     accelerator: 'CmdOrCtrl+`',
     click (menuItem, browserWindow) {
-      actions.format(browserWindow, 'code')
+      actions.format(browserWindow, 'inline_code')
     }
   }, {
     type: 'separator'
   }, {
     label: 'Strike',
+    type: 'checkbox',
     accelerator: 'CmdOrCtrl+D',
     click (menuItem, browserWindow) {
       actions.format(browserWindow, 'del')
     }
   }, {
     label: 'Hyperlink',
+    type: 'checkbox',
     accelerator: 'CmdOrCtrl+L',
     click (menuItem, browserWindow) {
-      actions.format(browserWindow, 'a')
+      actions.format(browserWindow, 'link')
     }
   }, {
     label: 'Image',
+    type: 'checkbox',
     accelerator: 'Shift+CmdOrCtrl+I',
     click (menuItem, browserWindow) {
-      actions.format(browserWindow, 'img')
+      actions.format(browserWindow, 'image')
     }
   }, {
     type: 'separator'

src/main/utils.js

@@ -0,0 +1,6 @@
+import { Menu } from 'electron'
+
+export const getMenuItem = menuName => {
+  const menus = Menu.getApplicationMenu()
+  return menus.items.find(menu => menu.label === menuName)
+}

src/renderer/components/Editor.vue

@@ -70,6 +70,9 @@
         this.editor.on('selectionChange', changes => {
           this.$store.dispatch('SELECTION_CHANGE', changes)
         })
+        this.editor.on('selectionFormats', formats => {
+          this.$store.dispatch('SELECTION_FORMATS', formats)
+        })
       })
     },
     methods: {
@@ -110,7 +113,7 @@
         }
       },
       handleInlineFormat (type) {
-        console.log(type)
+        this.editor && this.editor.format(type)
       },
       handleDialogTableConfirm () {
         this.dialogTableVisible = false

src/renderer/store/editor.js

@@ -104,6 +104,9 @@ const actions = {
   SELECTION_CHANGE ({ commit }, changes) {
     ipcRenderer.send('AGANI::selection-change', changes)
   },
+  SELECTION_FORMATS ({ commit }, formats) {
+    ipcRenderer.send('AGANI::selection-formats', formats)
+  },
   LISTEN_FOR_EXPORT ({ commit }) {
     ipcRenderer.on('AGANI::export', (e, { type }) => {
       bus.$emit('export', type)