const DropZone = require("dropzone");
const MarkdownIt = require("markdown-it");
const mdTasksLists = require('markdown-it-task-lists');
+const code = require('./code');
module.exports = function (ngApp, events) {
// Set initial model content
element = element.find('textarea').first();
- let content = element.val();
- scope.mdModel = content;
- scope.mdChange(md.render(content));
- element.on('change input', (event) => {
- content = element.val();
+ // Codemirror Setup
+ let cm = code.markdownEditor(element[0]);
+ cm.on('change', (instance, changeObj) => {
+ update(instance);
+ });
+
+ 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);
+ });
+
+ function update(instance) {
+ let content = instance.getValue();
+ element.val(content);
$timeout(() => {
scope.mdModel = content;
scope.mdChange(md.render(content));
});
- });
+ }
+ update(cm);
scope.$on('markdown-update', (event, value) => {
+ cm.setValue(value);
element.val(value);
scope.mdModel = 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) {
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()
+ // 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];
+ $display.animate({
+ scrollTop: topElem.offsetTop
+ }, {queue: false, duration: 200, easing: 'linear'});
}
- let scrollPercent = ($input.scrollTop() / (inputScrollHeight - inputHeight));
- let displayScrollY = (displayScrollHeight - displayHeight) * scrollPercent;
- $display.scrollTop(displayScrollY);
- lastScroll = now;
});
// Editor key-presses
*/
-.cm-s-base16-light.CodeMirror { background: #f5f5f5; color: #202020; }
+.cm-s-base16-light.CodeMirror { background: #f8f8f8; color: #444444; }
.cm-s-base16-light div.CodeMirror-selected { background: #e0e0e0; }
.cm-s-base16-light .CodeMirror-line::selection, .cm-s-base16-light .CodeMirror-line > span::selection, .cm-s-base16-light .CodeMirror-line > span > span::selection { background: #e0e0e0; }
.cm-s-base16-light .CodeMirror-line::-moz-selection, .cm-s-base16-light .CodeMirror-line > span::-moz-selection, .cm-s-base16-light .CodeMirror-line > span > span::-moz-selection { background: #e0e0e0; }
margin-bottom: $-l;
border: 1px solid #DDD;;
}
-.cm-s-base16-light .CodeMirror-gutters { background: #f5f5f5; border-right: 1px solid #DDD; }
\ No newline at end of file
+.cm-s-base16-light .CodeMirror-gutters { background: #f5f5f5; border-right: 1px solid #DDD; }
+
+.flex-fill .CodeMirror {
+ position: absolute;
+ top: 0;
+ bottom: 0;
+ left: 0;
+ width: 100%;
+ height: 100%;
+}
\ No newline at end of file