X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/544ece03a54a0a261206e1e60db59fc7a35c013a..refs/pull/448/head:/resources/assets/js/directives.js diff --git a/resources/assets/js/directives.js b/resources/assets/js/directives.js index 19badcac8..d783fd682 100644 --- a/resources/assets/js/directives.js +++ b/resources/assets/js/directives.js @@ -1,6 +1,8 @@ "use strict"; const DropZone = require("dropzone"); -const markdown = require("marked"); +const MarkdownIt = require("markdown-it"); +const mdTasksLists = require('markdown-it-task-lists'); +const code = require('./code'); module.exports = function (ngApp, events) { @@ -121,25 +123,31 @@ module.exports = function (ngApp, events) { restrict: 'A', link: function (scope, element, attrs) { const menu = element.find('ul'); - element.find('[dropdown-toggle]').on('click', function () { + + function hide() { + menu.hide(); + menu.removeClass('anim menuIn'); + } + + function show() { menu.show().addClass('anim menuIn'); + element.mouseleave(hide); + + // Focus on input if exist in dropdown and hide on enter press let inputs = menu.find('input'); - let hasInput = inputs.length > 0; - if (hasInput) { - inputs.first().focus(); - element.on('keypress', 'input', event => { - if (event.keyCode === 13) { - event.preventDefault(); - menu.hide(); - menu.removeClass('anim menuIn'); - return false; - } - }); - } - element.mouseleave(function () { - menu.hide(); - menu.removeClass('anim menuIn'); - }); + if (inputs.length > 0) inputs.first().focus(); + } + + // Hide menu on option click + element.on('click', '> ul a', hide); + // Show dropdown on toggle click. + element.find('[dropdown-toggle]').on('click', show); + // Hide menu on enter press in inputs + element.on('keypress', 'input', event => { + if (event.keyCode !== 13) return true; + event.preventDefault(); + hide(); + return false; }); } }; @@ -214,18 +222,8 @@ module.exports = function (ngApp, events) { } }]); - let renderer = new markdown.Renderer(); - // Custom markdown checkbox list item - // Attribution: https://github.com/chjj/marked/issues/107#issuecomment-44542001 - renderer.listitem = function(text) { - if (/^\s*\[[x ]\]\s*/.test(text)) { - text = text - .replace(/^\s*\[ \]\s*/, '') - .replace(/^\s*\[x\]\s*/, ''); - return `
  • ${text}
    • `; - } - return `
  • ${text}
    • `; - }; + const md = new MarkdownIt({html: true}); + md.use(mdTasksLists, {label: true}); /** * Markdown input @@ -240,24 +238,150 @@ module.exports = function (ngApp, events) { }, link: function (scope, element, attrs) { - // Set initial model content + // Codemirror Setup element = element.find('textarea').first(); - let content = element.val(); - scope.mdModel = content; - scope.mdChange(markdown(content, {renderer: renderer})); + let cm = code.markdownEditor(element[0]); + + // Custom key commands + let metaKey = code.getMetaKey(); + const extraKeys = {}; + // Insert Image shortcut + extraKeys[`${metaKey}-Alt-I`] = function(cm) { + let selectedText = cm.getSelection(); + let newText = `![${selectedText}](http://)`; + let cursorPos = cm.getCursor('from'); + cm.replaceSelection(newText); + cm.setCursor(cursorPos.line, cursorPos.ch + newText.length -1); + }; + // Save draft + extraKeys[`${metaKey}-S`] = function(cm) {scope.$emit('save-draft');}; + // Show link selector + extraKeys[`Shift-${metaKey}-K`] = function(cm) {showLinkSelector()}; + cm.setOption('extraKeys', extraKeys); + + // Update data on content change + cm.on('change', (instance, changeObj) => { + update(instance); + }); + + // Handle scroll to sync display view + cm.on('scroll', instance => { + // Thanks to http://liuhao.im/english/2015/11/10/the-sync-scroll-of-markdown-editor-in-javascript.html + let scroll = instance.getScrollInfo(); + let atEnd = scroll.top + scroll.clientHeight === scroll.height; + if (atEnd) { + scope.$emit('markdown-scroll', -1); + return; + } + let lineNum = instance.lineAtHeight(scroll.top, 'local'); + let range = instance.getRange({line: 0, ch: null}, {line: lineNum, ch: null}); + let parser = new DOMParser(); + let doc = parser.parseFromString(md.render(range), 'text/html'); + let totalLines = doc.documentElement.querySelectorAll('body > *'); + scope.$emit('markdown-scroll', totalLines.length); + }); + + // Handle image paste + cm.on('paste', (cm, event) => { + if (!event.clipboardData || !event.clipboardData.items) return; + for (let i = 0; i < event.clipboardData.items.length; i++) { + uploadImage(event.clipboardData.items[i].getAsFile()); + } + }); + + // Handle images on drag-drop + cm.on('drop', (cm, event) => { + event.stopPropagation(); + event.preventDefault(); + let cursorPos = cm.coordsChar({left: event.pageX, top: event.pageY}); + cm.setCursor(cursorPos); + if (!event.dataTransfer || !event.dataTransfer.files) return; + for (let i = 0; i < event.dataTransfer.files.length; i++) { + uploadImage(event.dataTransfer.files[i]); + } + }); - element.on('change input', (event) => { - content = element.val(); + // Helper to replace editor content + function replaceContent(search, replace) { + let text = cm.getValue(); + let cursor = cm.listSelections(); + cm.setValue(text.replace(search, replace)); + cm.setSelections(cursor); + } + + // Handle image upload and add image into markdown content + function uploadImage(file) { + if (file === null || file.type.indexOf('image') !== 0) return; + let ext = 'png'; + + if (file.name) { + let fileNameMatches = file.name.match(/\.(.+)$/); + if (fileNameMatches.length > 1) ext = fileNameMatches[1]; + } + + // Insert image into markdown + let id = "image-" + Math.random().toString(16).slice(2); + let placeholderImage = window.baseUrl(`/loading.gif#upload${id}`); + let selectedText = cm.getSelection(); + let placeHolderText = `![${selectedText}](${placeholderImage})`; + cm.replaceSelection(placeHolderText); + + let remoteFilename = "image-" + Date.now() + "." + ext; + let formData = new FormData(); + formData.append('file', file, remoteFilename); + + window.$http.post('/images/gallery/upload', formData).then(resp => { + replaceContent(placeholderImage, resp.data.thumbs.display); + }).catch(err => { + events.emit('error', trans('errors.image_upload_error')); + replaceContent(placeHolderText, selectedText); + console.log(err); + }); + } + + // Show the popup link selector and insert a link when finished + function showLinkSelector() { + let cursorPos = cm.getCursor('from'); + window.showEntityLinkSelector(entity => { + let selectedText = cm.getSelection() || entity.name; + let newText = `[${selectedText}](${entity.link})`; + cm.focus(); + cm.replaceSelection(newText); + cm.setCursor(cursorPos.line, cursorPos.ch + newText.length); + }); + } + + // Show the image manager and handle image insertion + function showImageManager() { + let cursorPos = cm.getCursor('from'); + window.ImageManager.showExternal(image => { + let selectedText = cm.getSelection(); + let newText = "![" + (selectedText || image.name) + "](" + image.thumbs.display + ")"; + cm.focus(); + cm.replaceSelection(newText); + cm.setCursor(cursorPos.line, cursorPos.ch + newText.length); + }); + } + + // Update the data models and rendered output + function update(instance) { + let content = instance.getValue(); + element.val(content); $timeout(() => { scope.mdModel = content; - scope.mdChange(markdown(content, {renderer: renderer})); + scope.mdChange(md.render(content)); }); - }); + } + update(cm); + // Listen to commands from parent scope + scope.$on('md-insert-link', showLinkSelector); + scope.$on('md-insert-image', showImageManager); scope.$on('markdown-update', (event, value) => { + cm.setValue(value); element.val(value); scope.mdModel = value; - scope.mdChange(markdown(value)); + scope.mdChange(md.render(value)); }); } @@ -268,13 +392,12 @@ module.exports = function (ngApp, events) { * Markdown Editor * Handles all functionality of the markdown editor. */ - ngApp.directive('markdownEditor', ['$timeout', function ($timeout) { + ngApp.directive('markdownEditor', ['$timeout', '$rootScope', function ($timeout, $rootScope) { return { restrict: 'A', link: function (scope, element, attrs) { - // Elements - const $input = element.find('[markdown-input] textarea').first(); + // Editor Elements const $display = element.find('.markdown-display').first(); const $insertImage = element.find('button[data-action="insertImage"]'); const $insertEntityLink = element.find('button[data-action="insertEntityLink"]'); @@ -285,175 +408,20 @@ module.exports = function (ngApp, events) { window.open(this.getAttribute('href')); }); - let currentCaretPos = 0; - - $input.blur(event => { - currentCaretPos = $input[0].selectionStart; - }); - - // Scroll sync - let inputScrollHeight, - inputHeight, - displayScrollHeight, - displayHeight; - - function setScrollHeights() { - inputScrollHeight = $input[0].scrollHeight; - inputHeight = $input.height(); - displayScrollHeight = $display[0].scrollHeight; - displayHeight = $display.height(); - } - - setTimeout(() => { - setScrollHeights(); - }, 200); - window.addEventListener('resize', setScrollHeights); - let scrollDebounceTime = 800; - let lastScroll = 0; - $input.on('scroll', event => { - let now = Date.now(); - if (now - lastScroll > scrollDebounceTime) { - setScrollHeights() - } - let scrollPercent = ($input.scrollTop() / (inputScrollHeight - inputHeight)); - let displayScrollY = (displayScrollHeight - displayHeight) * scrollPercent; - $display.scrollTop(displayScrollY); - lastScroll = now; - }); - - // Editor key-presses - $input.keydown(event => { - // Insert image shortcut - if (event.which === 73 && event.ctrlKey && event.shiftKey) { - event.preventDefault(); - let caretPos = $input[0].selectionStart; - let currentContent = $input.val(); - const mdImageText = "![](http://)"; - $input.val(currentContent.substring(0, caretPos) + mdImageText + currentContent.substring(caretPos)); - $input.focus(); - $input[0].selectionStart = caretPos + ("![](".length); - $input[0].selectionEnd = caretPos + ('![](http://'.length); - return; - } - - // Insert entity link shortcut - if (event.which === 75 && event.ctrlKey && event.shiftKey) { - showLinkSelector(); - return; + // Editor UI Actions + $insertEntityLink.click(e => {scope.$broadcast('md-insert-link');}); + $insertImage.click(e => {scope.$broadcast('md-insert-image');}); + + // Handle scroll sync event from editor scroll + $rootScope.$on('markdown-scroll', (event, lineCount) => { + let elems = $display[0].children[0].children; + if (elems.length > lineCount) { + let topElem = (lineCount === -1) ? elems[elems.length-1] : elems[lineCount]; + $display.animate({ + scrollTop: topElem.offsetTop + }, {queue: false, duration: 200, easing: 'linear'}); } - - // Pass key presses to controller via event - scope.$emit('editor-keydown', event); - }); - - // Insert image from image manager - $insertImage.click(event => { - window.ImageManager.showExternal(image => { - let caretPos = currentCaretPos; - let currentContent = $input.val(); - let mdImageText = "![" + image.name + "](" + image.thumbs.display + ")"; - $input.val(currentContent.substring(0, caretPos) + mdImageText + currentContent.substring(caretPos)); - $input.change(); - }); }); - - function showLinkSelector() { - window.showEntityLinkSelector((entity) => { - let selectionStart = currentCaretPos; - let selectionEnd = $input[0].selectionEnd; - let textSelected = (selectionEnd !== selectionStart); - let currentContent = $input.val(); - - if (textSelected) { - let selectedText = currentContent.substring(selectionStart, selectionEnd); - let linkText = `[${selectedText}](${entity.link})`; - $input.val(currentContent.substring(0, selectionStart) + linkText + currentContent.substring(selectionEnd)); - } else { - let linkText = ` [${entity.name}](${entity.link}) `; - $input.val(currentContent.substring(0, selectionStart) + linkText + currentContent.substring(selectionStart)) - } - $input.change(); - }); - } - $insertEntityLink.click(showLinkSelector); - - // Upload and insert image on paste - function editorPaste(e) { - e = e.originalEvent; - if (!e.clipboardData) return - let items = e.clipboardData.items; - if (!items) return; - for (let i = 0; i < items.length; i++) { - uploadImage(items[i].getAsFile()); - } - } - - $input.on('paste', editorPaste); - - // Handle image drop, Uploads images to BookStack. - function handleImageDrop(event) { - event.stopPropagation(); - event.preventDefault(); - let files = event.originalEvent.dataTransfer.files; - for (let i = 0; i < files.length; i++) { - uploadImage(files[i]); - } - } - - $input.on('drop', handleImageDrop); - - // Handle image upload and add image into markdown content - function uploadImage(file) { - if (file.type.indexOf('image') !== 0) return; - let formData = new FormData(); - let ext = 'png'; - let xhr = new XMLHttpRequest(); - - if (file.name) { - let fileNameMatches = file.name.match(/\.(.+)$/); - if (fileNameMatches) { - ext = fileNameMatches[1]; - } - } - - // Insert image into markdown - let id = "image-" + Math.random().toString(16).slice(2); - let selectStart = $input[0].selectionStart; - let selectEnd = $input[0].selectionEnd; - let content = $input[0].value; - let selectText = content.substring(selectStart, selectEnd); - let placeholderImage = window.baseUrl(`/loading.gif#upload${id}`); - let innerContent = ((selectEnd > selectStart) ? `![${selectText}]` : '![]') + `(${placeholderImage})`; - $input[0].value = content.substring(0, selectStart) + innerContent + content.substring(selectEnd); - - $input.focus(); - $input[0].selectionStart = selectStart; - $input[0].selectionEnd = selectStart; - - let remoteFilename = "image-" + Date.now() + "." + ext; - formData.append('file', file, remoteFilename); - formData.append('_token', document.querySelector('meta[name="token"]').getAttribute('content')); - - xhr.open('POST', window.baseUrl('/images/gallery/upload')); - xhr.onload = function () { - let selectStart = $input[0].selectionStart; - if (xhr.status === 200 || xhr.status === 201) { - let result = JSON.parse(xhr.responseText); - $input[0].value = $input[0].value.replace(placeholderImage, result.thumbs.display); - $input.change(); - } else { - console.log(trans('errors.image_upload_error')); - console.log(xhr.responseText); - $input[0].value = $input[0].value.replace(innerContent, ''); - $input.change(); - } - $input.focus(); - $input[0].selectionStart = selectStart; - $input[0].selectionEnd = selectStart; - }; - xhr.send(formData); - } - } } }]);