508 lines
15 KiB
JavaScript
508 lines
15 KiB
JavaScript
import * as utils from './utils'
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import config from './config'
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import statusBarTemplate from './statusbar.html'
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/* config section */
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const isMac = CodeMirror.keyMap.default === CodeMirror.keyMap.macDefault
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const defaultEditorMode = 'gfm'
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const viewportMargin = 20
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const jumpToAddressBarKeymapName = isMac ? 'Cmd-L' : 'Ctrl-L'
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export default class Editor {
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constructor () {
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this.editor = null
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this.jumpToAddressBarKeymapValue = null
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this.defaultExtraKeys = {
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F10: function (cm) {
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cm.setOption('fullScreen', !cm.getOption('fullScreen'))
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},
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Esc: function (cm) {
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if (cm.getOption('keyMap').substr(0, 3) === 'vim') {
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return CodeMirror.Pass
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} else if (cm.getOption('fullScreen')) {
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cm.setOption('fullScreen', false)
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}
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},
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'Cmd-S': function () {
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return false
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},
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'Ctrl-S': function () {
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return false
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},
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Enter: 'newlineAndIndentContinueMarkdownList',
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Tab: function (cm) {
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var tab = '\t'
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// contruct x length spaces
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var spaces = Array(parseInt(cm.getOption('indentUnit')) + 1).join(' ')
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// auto indent whole line when in list or blockquote
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var cursor = cm.getCursor()
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var line = cm.getLine(cursor.line)
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// this regex match the following patterns
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// 1. blockquote starts with "> " or ">>"
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// 2. unorder list starts with *+-
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// 3. order list starts with "1." or "1)"
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var regex = /^(\s*)(>[> ]*|[*+-]\s|(\d+)([.)]))/
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var match
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var multiple = cm.getSelection().split('\n').length > 1 ||
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cm.getSelections().length > 1
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if (multiple) {
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cm.execCommand('defaultTab')
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} else if ((match = regex.exec(line)) !== null) {
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var ch = match[1].length
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var pos = {
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line: cursor.line,
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ch: ch
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}
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if (cm.getOption('indentWithTabs')) {
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cm.replaceRange(tab, pos, pos, '+input')
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} else {
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cm.replaceRange(spaces, pos, pos, '+input')
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}
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} else {
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if (cm.getOption('indentWithTabs')) {
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cm.execCommand('defaultTab')
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} else {
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cm.replaceSelection(spaces)
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}
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}
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},
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'Cmd-Left': 'goLineLeftSmart',
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'Cmd-Right': 'goLineRight',
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'Home': 'goLineLeftSmart',
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'End': 'goLineRight',
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'Ctrl-C': function (cm) {
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if (!isMac && cm.getOption('keyMap').substr(0, 3) === 'vim') {
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document.execCommand('copy')
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} else {
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return CodeMirror.Pass
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}
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},
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'Ctrl-*': cm => {
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utils.wrapTextWith(this.editor, cm, '*')
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},
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'Shift-Ctrl-8': cm => {
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utils.wrapTextWith(this.editor, cm, '*')
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},
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'Ctrl-_': cm => {
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utils.wrapTextWith(this.editor, cm, '_')
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},
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'Shift-Ctrl--': cm => {
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utils.wrapTextWith(this.editor, cm, '_')
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},
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'Ctrl-~': cm => {
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utils.wrapTextWith(this.editor, cm, '~')
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},
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'Shift-Ctrl-`': cm => {
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utils.wrapTextWith(this.editor, cm, '~')
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},
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'Ctrl-^': cm => {
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utils.wrapTextWith(this.editor, cm, '^')
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},
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'Shift-Ctrl-6': cm => {
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utils.wrapTextWith(this.editor, cm, '^')
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},
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'Ctrl-+': cm => {
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utils.wrapTextWith(this.editor, cm, '+')
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},
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'Shift-Ctrl-=': cm => {
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utils.wrapTextWith(this.editor, cm, '+')
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},
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'Ctrl-=': cm => {
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utils.wrapTextWith(this.editor, cm, '=')
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},
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'Shift-Ctrl-Backspace': cm => {
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utils.wrapTextWith(this.editor, cm, 'Backspace')
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}
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}
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this.eventListeners = {}
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this.config = config
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}
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on (event, cb) {
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if (!this.eventListeners[event]) {
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this.eventListeners[event] = [cb]
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} else {
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this.eventListeners[event].push(cb)
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}
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this.editor.on(event, (...args) => {
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this.eventListeners[event].forEach(cb => cb.bind(this)(...args))
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})
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}
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addStatusBar () {
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this.statusBar = $(statusBarTemplate)
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this.statusCursor = this.statusBar.find('.status-cursor > .status-line-column')
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this.statusSelection = this.statusBar.find('.status-cursor > .status-selection')
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this.statusFile = this.statusBar.find('.status-file')
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this.statusIndicators = this.statusBar.find('.status-indicators')
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this.statusIndent = this.statusBar.find('.status-indent')
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this.statusKeymap = this.statusBar.find('.status-keymap')
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this.statusLength = this.statusBar.find('.status-length')
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this.statusTheme = this.statusBar.find('.status-theme')
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this.statusSpellcheck = this.statusBar.find('.status-spellcheck')
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this.statusPreferences = this.statusBar.find('.status-preferences')
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this.statusPanel = this.editor.addPanel(this.statusBar[0], {
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position: 'bottom'
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})
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this.setIndent()
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this.setKeymap()
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this.setTheme()
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this.setSpellcheck()
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this.setPreferences()
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}
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updateStatusBar () {
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if (!this.statusBar) return
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var cursor = this.editor.getCursor()
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var cursorText = 'Line ' + (cursor.line + 1) + ', Columns ' + (cursor.ch + 1)
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this.statusCursor.text(cursorText)
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var fileText = ' — ' + editor.lineCount() + ' Lines'
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this.statusFile.text(fileText)
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var docLength = editor.getValue().length
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this.statusLength.text('Length ' + docLength)
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if (docLength > (config.docmaxlength * 0.95)) {
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this.statusLength.css('color', 'red')
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this.statusLength.attr('title', 'Your almost reach note max length limit.')
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} else if (docLength > (config.docmaxlength * 0.8)) {
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this.statusLength.css('color', 'orange')
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this.statusLength.attr('title', 'You nearly fill the note, consider to make more pieces.')
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} else {
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this.statusLength.css('color', 'white')
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this.statusLength.attr('title', 'You could write up to ' + config.docmaxlength + ' characters in this note.')
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}
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}
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setIndent () {
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var cookieIndentType = Cookies.get('indent_type')
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var cookieTabSize = parseInt(Cookies.get('tab_size'))
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var cookieSpaceUnits = parseInt(Cookies.get('space_units'))
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if (cookieIndentType) {
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if (cookieIndentType === 'tab') {
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this.editor.setOption('indentWithTabs', true)
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if (cookieTabSize) {
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this.editor.setOption('indentUnit', cookieTabSize)
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}
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} else if (cookieIndentType === 'space') {
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this.editor.setOption('indentWithTabs', false)
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if (cookieSpaceUnits) {
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this.editor.setOption('indentUnit', cookieSpaceUnits)
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}
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}
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}
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if (cookieTabSize) {
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this.editor.setOption('tabSize', cookieTabSize)
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}
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var type = this.statusIndicators.find('.indent-type')
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var widthLabel = this.statusIndicators.find('.indent-width-label')
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var widthInput = this.statusIndicators.find('.indent-width-input')
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const setType = () => {
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if (this.editor.getOption('indentWithTabs')) {
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Cookies.set('indent_type', 'tab', {
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expires: 365
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})
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type.text('Tab Size:')
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} else {
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Cookies.set('indent_type', 'space', {
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expires: 365
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})
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type.text('Spaces:')
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}
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}
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setType()
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const setUnit = () => {
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var unit = this.editor.getOption('indentUnit')
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if (this.editor.getOption('indentWithTabs')) {
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Cookies.set('tab_size', unit, {
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expires: 365
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})
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} else {
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Cookies.set('space_units', unit, {
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expires: 365
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})
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}
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widthLabel.text(unit)
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}
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setUnit()
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type.click(() => {
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if (this.editor.getOption('indentWithTabs')) {
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this.editor.setOption('indentWithTabs', false)
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cookieSpaceUnits = parseInt(Cookies.get('space_units'))
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if (cookieSpaceUnits) {
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this.editor.setOption('indentUnit', cookieSpaceUnits)
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}
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} else {
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this.editor.setOption('indentWithTabs', true)
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cookieTabSize = parseInt(Cookies.get('tab_size'))
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if (cookieTabSize) {
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this.editor.setOption('indentUnit', cookieTabSize)
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this.editor.setOption('tabSize', cookieTabSize)
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}
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}
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setType()
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setUnit()
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})
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widthLabel.click(() => {
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if (widthLabel.is(':visible')) {
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widthLabel.addClass('hidden')
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widthInput.removeClass('hidden')
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widthInput.val(this.editor.getOption('indentUnit'))
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widthInput.select()
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} else {
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widthLabel.removeClass('hidden')
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widthInput.addClass('hidden')
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}
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})
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widthInput.on('change', () => {
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var val = parseInt(widthInput.val())
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if (!val) val = this.editor.getOption('indentUnit')
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if (val < 1) val = 1
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else if (val > 10) val = 10
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if (this.editor.getOption('indentWithTabs')) {
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this.editor.setOption('tabSize', val)
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}
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this.editor.setOption('indentUnit', val)
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setUnit()
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})
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widthInput.on('blur', function () {
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widthLabel.removeClass('hidden')
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widthInput.addClass('hidden')
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})
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}
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setKeymap () {
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var cookieKeymap = Cookies.get('keymap')
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if (cookieKeymap) {
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this.editor.setOption('keyMap', cookieKeymap)
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}
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var label = this.statusIndicators.find('.ui-keymap-label')
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var sublime = this.statusIndicators.find('.ui-keymap-sublime')
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var emacs = this.statusIndicators.find('.ui-keymap-emacs')
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var vim = this.statusIndicators.find('.ui-keymap-vim')
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const setKeymapLabel = () => {
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var keymap = this.editor.getOption('keyMap')
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Cookies.set('keymap', keymap, {
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expires: 365
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})
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label.text(keymap)
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this.restoreOverrideEditorKeymap()
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this.setOverrideBrowserKeymap()
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}
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setKeymapLabel()
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sublime.click(() => {
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this.editor.setOption('keyMap', 'sublime')
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setKeymapLabel()
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})
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emacs.click(() => {
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this.editor.setOption('keyMap', 'emacs')
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setKeymapLabel()
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})
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vim.click(() => {
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this.editor.setOption('keyMap', 'vim')
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setKeymapLabel()
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})
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}
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setTheme () {
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var cookieTheme = Cookies.get('theme')
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if (cookieTheme) {
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this.editor.setOption('theme', cookieTheme)
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}
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var themeToggle = this.statusTheme.find('.ui-theme-toggle')
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const checkTheme = () => {
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var theme = this.editor.getOption('theme')
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if (theme === 'one-dark') {
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themeToggle.removeClass('active')
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} else {
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themeToggle.addClass('active')
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}
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}
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themeToggle.click(() => {
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var theme = this.editor.getOption('theme')
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if (theme === 'one-dark') {
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theme = 'default'
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} else {
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theme = 'one-dark'
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}
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this.editor.setOption('theme', theme)
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Cookies.set('theme', theme, {
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expires: 365
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})
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checkTheme()
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})
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checkTheme()
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}
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setSpellcheck () {
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var cookieSpellcheck = Cookies.get('spellcheck')
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if (cookieSpellcheck) {
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var mode = null
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if (cookieSpellcheck === 'true' || cookieSpellcheck === true) {
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mode = 'spell-checker'
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} else {
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mode = defaultEditorMode
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}
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if (mode && mode !== this.editor.getOption('mode')) {
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this.editor.setOption('mode', mode)
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}
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}
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var spellcheckToggle = this.statusSpellcheck.find('.ui-spellcheck-toggle')
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const checkSpellcheck = () => {
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var mode = this.editor.getOption('mode')
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if (mode === defaultEditorMode) {
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spellcheckToggle.removeClass('active')
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} else {
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spellcheckToggle.addClass('active')
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}
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}
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spellcheckToggle.click(() => {
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var mode = this.editor.getOption('mode')
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if (mode === defaultEditorMode) {
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mode = 'spell-checker'
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} else {
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mode = defaultEditorMode
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}
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if (mode && mode !== this.editor.getOption('mode')) {
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this.editor.setOption('mode', mode)
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}
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Cookies.set('spellcheck', mode === 'spell-checker', {
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expires: 365
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})
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checkSpellcheck()
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})
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checkSpellcheck()
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// workaround spellcheck might not activate beacuse the ajax loading
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if (window.num_loaded < 2) {
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var spellcheckTimer = setInterval(
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() => {
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if (window.num_loaded >= 2) {
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if (this.editor.getOption('mode') === 'spell-checker') {
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this.editor.setOption('mode', 'spell-checker')
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}
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clearInterval(spellcheckTimer)
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}
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},
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100,
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)
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}
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}
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resetEditorKeymapToBrowserKeymap () {
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var keymap = this.editor.getOption('keyMap')
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if (!this.jumpToAddressBarKeymapValue) {
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this.jumpToAddressBarKeymapValue = CodeMirror.keyMap[keymap][jumpToAddressBarKeymapName]
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delete CodeMirror.keyMap[keymap][jumpToAddressBarKeymapName]
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}
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}
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restoreOverrideEditorKeymap () {
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var keymap = this.editor.getOption('keyMap')
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if (this.jumpToAddressBarKeymapValue) {
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CodeMirror.keyMap[keymap][jumpToAddressBarKeymapName] = this.jumpToAddressBarKeymapValue
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this.jumpToAddressBarKeymapValue = null
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}
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}
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setOverrideBrowserKeymap () {
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var overrideBrowserKeymap = $(
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'.ui-preferences-override-browser-keymap label > input[type="checkbox"]',
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)
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if (overrideBrowserKeymap.is(':checked')) {
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Cookies.set('preferences-override-browser-keymap', true, {
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expires: 365
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})
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this.restoreOverrideEditorKeymap()
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} else {
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Cookies.remove('preferences-override-browser-keymap')
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this.resetEditorKeymapToBrowserKeymap()
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}
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}
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setPreferences () {
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var overrideBrowserKeymap = $(
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'.ui-preferences-override-browser-keymap label > input[type="checkbox"]',
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)
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var cookieOverrideBrowserKeymap = Cookies.get(
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'preferences-override-browser-keymap',
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)
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if (cookieOverrideBrowserKeymap && cookieOverrideBrowserKeymap === 'true') {
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overrideBrowserKeymap.prop('checked', true)
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} else {
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overrideBrowserKeymap.prop('checked', false)
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}
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this.setOverrideBrowserKeymap()
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overrideBrowserKeymap.change(() => {
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this.setOverrideBrowserKeymap()
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})
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}
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init (textit) {
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this.editor = CodeMirror.fromTextArea(textit, {
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mode: defaultEditorMode,
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backdrop: defaultEditorMode,
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keyMap: 'sublime',
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viewportMargin: viewportMargin,
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styleActiveLine: true,
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lineNumbers: true,
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lineWrapping: true,
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showCursorWhenSelecting: true,
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highlightSelectionMatches: true,
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indentUnit: 4,
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continueComments: 'Enter',
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theme: 'one-dark',
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inputStyle: 'textarea',
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matchBrackets: true,
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autoCloseBrackets: true,
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matchTags: {
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bothTags: true
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},
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autoCloseTags: true,
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foldGutter: true,
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gutters: [
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'CodeMirror-linenumbers',
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'authorship-gutters',
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'CodeMirror-foldgutter'
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],
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extraKeys: this.defaultExtraKeys,
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flattenSpans: true,
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addModeClass: true,
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readOnly: true,
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autoRefresh: true,
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otherCursors: true,
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placeholder: "← Start by entering a title here\n===\nVisit /features if you don't know what to do.\nHappy hacking :)"
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})
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return this.editor
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}
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getEditor () {
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return this.editor
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}
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}
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