"use strict";
-import DropZone from "dropzone";
-import markdown from "marked";
+const DropZone = require("dropzone");
+const MarkdownIt = require("markdown-it");
+const mdTasksLists = require('markdown-it-task-lists');
+const code = require('./code');
-export default function (ngApp, events) {
+module.exports = function (ngApp, events) {
/**
* Common tab controls using simple jQuery functions.
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;
});
}
};
}
}]);
+ const md = new MarkdownIt({html: true});
+ md.use(mdTasksLists, {label: true});
+
/**
* Markdown input
* Handles the logic for just the editor input field.
},
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));
+ let cm = code.markdownEditor(element[0]);
+
+ // Custom key commands
+ let metaKey = code.getMetaKey();
+ const extraKeys = {};
+ // Insert Image shortcut
+ extraKeys[`${metaKey}-Alt-I`] = function(cm) {
+ let selectedText = cm.getSelection();
+ let newText = ``;
+ let cursorPos = cm.getCursor('from');
+ cm.replaceSelection(newText);
+ cm.setCursor(cursorPos.line, cursorPos.ch + newText.length -1);
+ };
+ // Save draft
+ extraKeys[`${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 = ``;
+ 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);
$timeout(() => {
scope.mdModel = content;
- scope.mdChange(markdown(content));
+ scope.mdChange(md.render(content));
});
- });
+ }
+ update(cm);
+ // Listen to commands from parent scope
+ scope.$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));
});
}
* 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"]');
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 = "";
- $input.val(currentContent.substring(0, caretPos) + mdImageText + currentContent.substring(caretPos));
- $input.focus();
- $input[0].selectionStart = caretPos + ("![](".length);
- $input[0].selectionEnd = caretPos + (';
- 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);
- }
-
}
}
}]);
projects / bookstack / blobdiff