]> BookStack Code Mirror - bookstack/blobdiff - resources/js/components/markdown-editor.js
Refreshed markdown cm instance layout on size change
[bookstack] / resources / js / components / markdown-editor.js
index de256a8466a727add893f5370167f3db4ef34320..a14047d2f430155083b614773abe1a05f246bb38 100644 (file)
@@ -1,18 +1,20 @@
 import MarkdownIt from "markdown-it";
 import mdTasksLists from 'markdown-it-task-lists';
 import code from '../services/code';
+import Clipboard from "../services/clipboard";
 import {debounce} from "../services/util";
 
 import DrawIO from "../services/drawio";
 
 class MarkdownEditor {
 
-    constructor(elem) {
-        this.elem = elem;
+    setup() {
+        this.elem = this.$el;
 
-        const pageEditor = document.getElementById('page-editor');
-        this.pageId = pageEditor.getAttribute('page-id');
-        this.textDirection = pageEditor.getAttribute('text-direction');
+        this.pageId = this.$opts.pageId;
+        this.textDirection = this.$opts.textDirection;
+        this.imageUploadErrorText = this.$opts.imageUploadErrorText;
+        this.serverUploadLimitText = this.$opts.serverUploadLimitText;
 
         this.markdown = new MarkdownIt({html: true});
         this.markdown.use(mdTasksLists, {label: true});
@@ -21,17 +23,22 @@ class MarkdownEditor {
 
         this.displayStylesLoaded = false;
         this.input = this.elem.querySelector('textarea');
-        this.htmlInput = this.elem.querySelector('input[name=html]');
         this.cm = code.markdownEditor(this.input);
 
         this.onMarkdownScroll = this.onMarkdownScroll.bind(this);
 
-        this.display.addEventListener('load', () => {
+        const displayLoad = () => {
             this.displayDoc = this.display.contentDocument;
             this.init();
-        });
+        };
+
+        if (this.display.contentDocument.readyState === 'complete') {
+            displayLoad();
+        } else {
+            this.display.addEventListener('load', displayLoad.bind(this));
+        }
 
-        window.$events.emitPublic(elem, 'editor-markdown::setup', {
+        window.$events.emitPublic(this.elem, 'editor-markdown::setup', {
             markdownIt: this.markdown,
             displayEl: this.display,
             codeMirrorInstance: this.cm,
@@ -75,6 +82,7 @@ class MarkdownEditor {
                 return;
             }
             if (action === 'insertDrawing') this.actionStartDrawing();
+            if (action === 'fullscreen') this.actionFullScreen();
         });
 
         // Mobile section toggling
@@ -104,6 +112,11 @@ class MarkdownEditor {
         if (scrollText) {
             this.scrollToText(scrollText);
         }
+
+        // Refresh CodeMirror on container resize
+        const resizeDebounced = debounce(() => code.updateLayout(this.cm), 100, false);
+        const observer = new ResizeObserver(resizeDebounced);
+        observer.observe(this.elem);
     }
 
     // Update the input content and render the display.
@@ -117,7 +130,6 @@ class MarkdownEditor {
         // Set body content
         this.displayDoc.body.className = 'page-content';
         this.displayDoc.body.innerHTML = html;
-        this.htmlInput.value = html;
 
         // Copy styles from page head and set custom styles for editor
         this.loadStylesIntoDisplay();
@@ -125,7 +137,13 @@ class MarkdownEditor {
 
     loadStylesIntoDisplay() {
         if (this.displayStylesLoaded) return;
-        this.displayDoc.documentElement.className = 'markdown-editor-display';
+        this.displayDoc.documentElement.classList.add('markdown-editor-display');
+        // Set display to be dark mode if parent is
+
+        if (document.documentElement.classList.contains('dark-mode')) {
+            this.displayDoc.documentElement.style.backgroundColor = '#222';
+            this.displayDoc.documentElement.classList.add('dark-mode');
+        }
 
         this.displayDoc.head.innerHTML = '';
         const styles = document.head.querySelectorAll('style,link[rel=stylesheet]');
@@ -215,20 +233,16 @@ class MarkdownEditor {
 
         // Handle image paste
         cm.on('paste', (cm, event) => {
-            const clipboardItems = event.clipboardData.items;
-            if (!event.clipboardData || !clipboardItems) return;
+            const clipboard = new Clipboard(event.clipboardData || event.dataTransfer);
 
-            // Don't handle if clipboard includes text content
-            for (let clipboardItem of clipboardItems) {
-                if (clipboardItem.type.includes('text/')) {
-                    return;
-                }
+            // Don't handle the event ourselves if no items exist of contains table-looking data
+            if (!clipboard.hasItems() || clipboard.containsTabularData()) {
+                return;
             }
 
-            for (let clipboardItem of clipboardItems) {
-                if (clipboardItem.type.includes("image")) {
-                    uploadImage(clipboardItem.getAsFile());
-                }
+            const images = clipboard.getImages();
+            for (const image of images) {
+                uploadImage(image);
             }
         });
 
@@ -246,13 +260,15 @@ class MarkdownEditor {
                 });
             }
 
-            if (event.dataTransfer && event.dataTransfer.files && event.dataTransfer.files.length > 0) {
+            const clipboard = new Clipboard(event.dataTransfer);
+            if (clipboard.hasItems() && clipboard.getImages().length > 0) {
                 const cursorPos = cm.coordsChar({left: event.pageX, top: event.pageY});
                 cm.setCursor(cursorPos);
                 event.stopPropagation();
                 event.preventDefault();
-                for (let i = 0; i < event.dataTransfer.files.length; i++) {
-                    uploadImage(event.dataTransfer.files[i]);
+                const images = clipboard.getImages();
+                for (const image of images) {
+                    uploadImage(image);
                 }
             }
 
@@ -362,7 +378,7 @@ class MarkdownEditor {
                 const newContent = `[![${selectedText}](${resp.data.thumbs.display})](${resp.data.url})`;
                 replaceContent(placeHolderText, newContent);
             }).catch(err => {
-                window.$events.emit('error', trans('errors.image_upload_error'));
+                window.$events.emit('error', context.imageUploadErrorText);
                 replaceContent(placeHolderText, selectedText);
                 console.log(err);
             });
@@ -384,8 +400,9 @@ class MarkdownEditor {
     actionInsertImage() {
         const cursorPos = this.cm.getCursor('from');
         window.ImageManager.show(image => {
+            const imageUrl = image.thumbs.display || image.url;
             let selectedText = this.cm.getSelection();
-            let newText = "[![" + (selectedText || image.name) + "](" + image.thumbs.display + ")](" + image.url + ")";
+            let newText = "[![" + (selectedText || image.name) + "](" + imageUrl + ")](" + image.url + ")";
             this.cm.focus();
             this.cm.replaceSelection(newText);
             this.cm.setCursor(cursorPos.line, cursorPos.ch + newText.length);
@@ -411,27 +428,32 @@ class MarkdownEditor {
         });
     }
 
+    getDrawioUrl() {
+        const drawioUrlElem = document.querySelector('[drawio-url]');
+        return drawioUrlElem ? drawioUrlElem.getAttribute('drawio-url') : false;
+    }
+
     // Show draw.io if enabled and handle save.
     actionStartDrawing() {
-        if (document.querySelector('[drawio-enabled]').getAttribute('drawio-enabled') !== 'true') return;
-        let cursorPos = this.cm.getCursor('from');
+        const url = this.getDrawioUrl();
+        if (!url) return;
 
-        DrawIO.show(() => {
+        const cursorPos = this.cm.getCursor('from');
+
+        DrawIO.show(url,() => {
             return Promise.resolve('');
         }, (pngData) => {
-            // let id = "image-" + Math.random().toString(16).slice(2);
-            // let loadingImage = window.baseUrl('/loading.gif');
-            let data = {
+
+            const data = {
                 image: pngData,
-                uploaded_to: Number(document.getElementById('page-editor').getAttribute('page-id'))
+                uploaded_to: Number(this.pageId),
             };
 
-            window.$http.post(window.baseUrl('/images/drawio'), data).then(resp => {
+            window.$http.post("/images/drawio", data).then(resp => {
                 this.insertDrawing(resp.data, cursorPos);
                 DrawIO.close();
             }).catch(err => {
-                window.$events.emit('error', trans('errors.image_upload_error'));
-                console.log(err);
+                this.handleDrawingUploadError(err);
             });
         });
     }
@@ -445,24 +467,24 @@ class MarkdownEditor {
 
     // Show draw.io if enabled and handle save.
     actionEditDrawing(imgContainer) {
-        const drawingDisabled = document.querySelector('[drawio-enabled]').getAttribute('drawio-enabled') !== 'true';
-        if (drawingDisabled) {
+        const drawioUrl = this.getDrawioUrl();
+        if (!drawioUrl) {
             return;
         }
 
         const cursorPos = this.cm.getCursor('from');
         const drawingId = imgContainer.getAttribute('drawio-diagram');
 
-        DrawIO.show(() => {
+        DrawIO.show(drawioUrl, () => {
             return DrawIO.load(drawingId);
         }, (pngData) => {
 
             let data = {
                 image: pngData,
-                uploaded_to: Number(document.getElementById('page-editor').getAttribute('page-id'))
+                uploaded_to: Number(this.pageId),
             };
 
-            window.$http.post(window.baseUrl(`/images/drawio`), data).then(resp => {
+            window.$http.post("/images/drawio", data).then(resp => {
                 let newText = `<div drawio-diagram="${resp.data.id}"><img src="${resp.data.url}"></div>`;
                 let newContent = this.cm.getValue().split('\n').map(line => {
                     if (line.indexOf(`drawio-diagram="${drawingId}"`) !== -1) {
@@ -475,12 +497,27 @@ class MarkdownEditor {
                 this.cm.focus();
                 DrawIO.close();
             }).catch(err => {
-                window.$events.emit('error', trans('errors.image_upload_error'));
-                console.log(err);
+                this.handleDrawingUploadError(err);
             });
         });
     }
 
+    handleDrawingUploadError(error) {
+        if (error.status === 413) {
+            window.$events.emit('error', this.serverUploadLimitText);
+        } else {
+            window.$events.emit('error', this.imageUploadErrorText);
+        }
+        console.log(error);
+    }
+
+    // Make the editor full screen
+    actionFullScreen() {
+        const alreadyFullscreen = this.elem.classList.contains('fullscreen');
+        this.elem.classList.toggle('fullscreen', !alreadyFullscreen);
+        document.body.classList.toggle('markdown-fullscreen', !alreadyFullscreen);
+    }
+
     // Scroll to a specified text
     scrollToText(searchText) {
         if (!searchText) {
@@ -538,6 +575,17 @@ class MarkdownEditor {
             const prependLineCount = markdown.split('\n').length;
             this.cm.setCursor(cursorPos.line + prependLineCount, cursorPos.ch);
         });
+
+        // Insert editor content at the current location
+        window.$events.listen('editor::insert', (eventContent) => {
+            const markdown = getContentToInsert(eventContent);
+            this.cm.replaceSelection(markdown);
+        });
+
+        // Focus on editor
+        window.$events.listen('editor::focus', () => {
+            this.cm.focus();
+        });
     }
 }