X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/3d375fae557fc5ba0dd998be0bf47cd88a37980d..7f95b51b00d0d5fa1e7bcf5574f2d58bddcbd504:/resources/assets/js/components/wysiwyg-editor.js

diff --git a/resources/assets/js/components/wysiwyg-editor.js b/resources/assets/js/components/wysiwyg-editor.js
index ae369ff42..39bce4959 100644
--- a/resources/assets/js/components/wysiwyg-editor.js
+++ b/resources/assets/js/components/wysiwyg-editor.js
@@ -1,11 +1,596 @@
+import Code from "../services/code";
+import DrawIO from "../services/drawio";
+
+/**
+ * Handle pasting images from clipboard.
+ * @param {ClipboardEvent} event
+ * @param editor
+ */
+function editorPaste(event, editor) {
+    if (!event.clipboardData || !event.clipboardData.items) return;
+    let items = event.clipboardData.items;
+
+    for (let i = 0; i < items.length; i++) {
+        if (items[i].type.indexOf("image") === -1) continue;
+        event.preventDefault();
+
+        let id = "image-" + Math.random().toString(16).slice(2);
+        let loadingImage = window.baseUrl('/loading.gif');
+        let file = items[i].getAsFile();
+        setTimeout(() => {
+            editor.insertContent(`<p><img src="${loadingImage}" id="${id}"></p>`);
+            uploadImageFile(file).then(resp => {
+                editor.dom.setAttrib(id, 'src', resp.thumbs.display);
+            }).catch(err => {
+                editor.dom.remove(id);
+                window.$events.emit('error', trans('errors.image_upload_error'));
+                console.log(err);
+            });
+        }, 10);
+    }
+}
+
+/**
+ * Upload an image file to the server
+ * @param {File} file
+ */
+function uploadImageFile(file) {
+    if (file === null || file.type.indexOf('image') !== 0) return Promise.reject(`Not an image file`);
+
+    let ext = 'png';
+    if (file.name) {
+        let fileNameMatches = file.name.match(/\.(.+)$/);
+        if (fileNameMatches.length > 1) ext = fileNameMatches[1];
+    }
+
+    let remoteFilename = "image-" + Date.now() + "." + ext;
+    let formData = new FormData();
+    formData.append('file', file, remoteFilename);
+
+    return window.$http.post(window.baseUrl('/images/gallery/upload'), formData).then(resp => (resp.data));
+}
+
+function registerEditorShortcuts(editor) {
+    // Headers
+    for (let i = 1; i < 5; i++) {
+        editor.shortcuts.add('meta+' + i, '', ['FormatBlock', false, 'h' + (i+1)]);
+    }
+
+    // Other block shortcuts
+    editor.shortcuts.add('meta+5', '', ['FormatBlock', false, 'p']);
+    editor.shortcuts.add('meta+d', '', ['FormatBlock', false, 'p']);
+    editor.shortcuts.add('meta+6', '', ['FormatBlock', false, 'blockquote']);
+    editor.shortcuts.add('meta+q', '', ['FormatBlock', false, 'blockquote']);
+    editor.shortcuts.add('meta+7', '', ['codeeditor', false, 'pre']);
+    editor.shortcuts.add('meta+e', '', ['codeeditor', false, 'pre']);
+    editor.shortcuts.add('meta+8', '', ['FormatBlock', false, 'code']);
+    editor.shortcuts.add('meta+shift+E', '', ['FormatBlock', false, 'code']);
+
+    // Save draft shortcut
+    editor.shortcuts.add('meta+S', '', () => {
+        window.$events.emit('editor-save-draft');
+    });
+
+    // Save page shortcut
+    editor.shortcuts.add('meta+13', '', () => {
+        window.$events.emit('editor-save-page');
+    });
+
+    // Loop through callout styles
+    editor.shortcuts.add('meta+9', '', function() {
+        let selectedNode = editor.selection.getNode();
+        let formats = ['info', 'success', 'warning', 'danger'];
+
+        if (!selectedNode || selectedNode.className.indexOf('callout') === -1) {
+            editor.formatter.apply('calloutinfo');
+            return;
+        }
+
+        for (let i = 0; i < formats.length; i++) {
+            if (selectedNode.className.indexOf(formats[i]) === -1) continue;
+            let newFormat = (i === formats.length -1) ? formats[0] : formats[i+1];
+            editor.formatter.apply('callout' + newFormat);
+            return;
+        }
+        editor.formatter.apply('p');
+    });
+
+}
+
+/**
+ * Load custom HTML head content from the settings into the editor.
+ * @param editor
+ */
+function loadCustomHeadContent(editor) {
+    window.$http.get(window.baseUrl('/custom-head-content')).then(resp => {
+        if (!resp.data) return;
+        let head = editor.getDoc().querySelector('head');
+        head.innerHTML += resp.data;
+    });
+}
+
+/**
+ * Create and enable our custom code plugin
+ */
+function codePlugin() {
+
+    function elemIsCodeBlock(elem) {
+        return elem.className === 'CodeMirrorContainer';
+    }
+
+    function showPopup(editor) {
+        let selectedNode = editor.selection.getNode();
+
+        if (!elemIsCodeBlock(selectedNode)) {
+            let providedCode = editor.selection.getNode().textContent;
+            window.vues['code-editor'].open(providedCode, '', (code, lang) => {
+                let wrap = document.createElement('div');
+                wrap.innerHTML = `<pre><code class="language-${lang}"></code></pre>`;
+                wrap.querySelector('code').innerText = code;
+
+                editor.formatter.toggle('pre');
+                let node = editor.selection.getNode();
+                editor.dom.setHTML(node, wrap.querySelector('pre').innerHTML);
+                editor.fire('SetContent');
+            });
+            return;
+        }
+
+        let lang = selectedNode.hasAttribute('data-lang') ? selectedNode.getAttribute('data-lang') : '';
+        let currentCode = selectedNode.querySelector('textarea').textContent;
+
+        window.vues['code-editor'].open(currentCode, lang, (code, lang) => {
+            let editorElem = selectedNode.querySelector('.CodeMirror');
+            let cmInstance = editorElem.CodeMirror;
+            if (cmInstance) {
+                Code.setContent(cmInstance, code);
+                Code.setMode(cmInstance, lang);
+            }
+            let textArea = selectedNode.querySelector('textarea');
+            if (textArea) textArea.textContent = code;
+            selectedNode.setAttribute('data-lang', lang);
+        });
+    }
+
+    function codeMirrorContainerToPre($codeMirrorContainer) {
+        let textArea = $codeMirrorContainer[0].querySelector('textarea');
+        let code = textArea.textContent;
+        let lang = $codeMirrorContainer[0].getAttribute('data-lang');
+
+        $codeMirrorContainer.removeAttr('contentEditable');
+        let $pre = $('<pre></pre>');
+        $pre.append($('<code></code>').each((index, elem) => {
+            // Needs to be textContent since innerText produces BR:s
+            elem.textContent = code;
+        }).attr('class', `language-${lang}`));
+        $codeMirrorContainer.replaceWith($pre);
+    }
+
+    window.tinymce.PluginManager.add('codeeditor', function(editor, url) {
+
+        let $ = editor.$;
+
+        editor.addButton('codeeditor', {
+            text: 'Code block',
+            icon: false,
+            cmd: 'codeeditor'
+        });
+
+        editor.addCommand('codeeditor', () => {
+            showPopup(editor);
+        });
+
+        // Convert
+        editor.on('PreProcess', function (e) {
+            $('div.CodeMirrorContainer', e.node).
+            each((index, elem) => {
+                let $elem = $(elem);
+                codeMirrorContainerToPre($elem);
+            });
+        });
+
+        editor.on('dblclick', event => {
+            let selectedNode = editor.selection.getNode();
+            if (!elemIsCodeBlock(selectedNode)) return;
+            showPopup(editor);
+        });
+
+        editor.on('SetContent', function () {
+
+            // Recover broken codemirror instances
+            $('.CodeMirrorContainer').filter((index ,elem) => {
+                return typeof elem.querySelector('.CodeMirror').CodeMirror === 'undefined';
+            }).each((index, elem) => {
+                codeMirrorContainerToPre($(elem));
+            });
+
+            let codeSamples = $('body > pre').filter((index, elem) => {
+                return elem.contentEditable !== "false";
+            });
+
+            if (!codeSamples.length) return;
+            editor.undoManager.transact(function () {
+                codeSamples.each((index, elem) => {
+                    Code.wysiwygView(elem);
+                });
+            });
+        });
+
+    });
+}
+
+function drawIoPlugin() {
+
+    let pageEditor = null;
+    let currentNode = null;
+
+    function isDrawing(node) {
+        return node.hasAttribute('drawio-diagram');
+    }
+
+    function showDrawingManager(mceEditor, selectedNode = null) {
+        pageEditor = mceEditor;
+        currentNode = selectedNode;
+        // Show image manager
+        window.ImageManager.show(function (image) {
+            if (selectedNode) {
+                let imgElem = selectedNode.querySelector('img');
+                pageEditor.dom.setAttrib(imgElem, 'src', image.url);
+                pageEditor.dom.setAttrib(selectedNode, 'drawio-diagram', image.id);
+            } else {
+                let imgHTML = `<div drawio-diagram="${image.id}" contenteditable="false"><img src="${image.url}"></div>`;
+                pageEditor.insertContent(imgHTML);
+            }
+        }, 'drawio');
+    }
+
+    function showDrawingEditor(mceEditor, selectedNode = null) {
+        pageEditor = mceEditor;
+        currentNode = selectedNode;
+        DrawIO.show(drawingInit, updateContent);
+    }
+
+    function updateContent(pngData) {
+        let id = "image-" + Math.random().toString(16).slice(2);
+        let loadingImage = window.baseUrl('/loading.gif');
+        let data = {
+            image: pngData,
+            uploaded_to: Number(document.getElementById('page-editor').getAttribute('page-id'))
+        };
+
+        // Handle updating an existing image
+        if (currentNode) {
+            DrawIO.close();
+            let imgElem = currentNode.querySelector('img');
+            window.$http.post(window.baseUrl(`/images/drawing/upload`), data).then(resp => {
+                pageEditor.dom.setAttrib(imgElem, 'src', resp.data.url);
+                pageEditor.dom.setAttrib(currentNode, 'drawio-diagram', resp.data.id);
+            }).catch(err => {
+                window.$events.emit('error', trans('errors.image_upload_error'));
+                console.log(err);
+            });
+            return;
+        }
+
+        setTimeout(() => {
+            pageEditor.insertContent(`<div drawio-diagram contenteditable="false"><img src="${loadingImage}" id="${id}"></div>`);
+            DrawIO.close();
+            window.$http.post(window.baseUrl('/images/drawing/upload'), data).then(resp => {
+                pageEditor.dom.setAttrib(id, 'src', resp.data.url);
+                pageEditor.dom.get(id).parentNode.setAttribute('drawio-diagram', resp.data.id);
+            }).catch(err => {
+                pageEditor.dom.remove(id);
+                window.$events.emit('error', trans('errors.image_upload_error'));
+                console.log(err);
+            });
+        }, 5);
+    }
+
+
+    function drawingInit() {
+        if (!currentNode) {
+            return Promise.resolve('');
+        }
+
+        let drawingId = currentNode.getAttribute('drawio-diagram');
+        return window.$http.get(window.baseUrl(`/images/base64/${drawingId}`)).then(resp => {
+            return `data:image/png;base64,${resp.data.content}`;
+        });
+    }
+
+    window.tinymce.PluginManager.add('drawio', function(editor, url) {
+
+        editor.addCommand('drawio', () => {
+            let selectedNode = editor.selection.getNode();
+            showDrawingEditor(editor, isDrawing(selectedNode) ? selectedNode : null);
+        });
+
+        editor.addButton('drawio', {
+            type: 'splitbutton',
+            tooltip: 'Drawing',
+            image: `data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgMjQgMjQiIGZpbGw9IiMwMDAwMDAiICB4bWxucz0iaHR0cDovL3d3 dy53My5vcmcvMjAwMC9zdmciPgogICAgPHBhdGggZD0iTTIzIDdWMWgtNnYySDdWMUgxdjZoMnYx MEgxdjZoNnYtMmgxMHYyaDZ2LTZoLTJWN2gyek0zIDNoMnYySDNWM3ptMiAxOEgzdi0yaDJ2Mnpt MTItMkg3di0ySDVWN2gyVjVoMTB2MmgydjEwaC0ydjJ6bTQgMmgtMnYtMmgydjJ6TTE5IDVWM2gy djJoLTJ6bS01LjI3IDloLTMuNDlsLS43MyAySDcuODlsMy40LTloMS40bDMuNDEgOWgtMS42M2wt Ljc0LTJ6bS0zLjA0LTEuMjZoMi42MUwxMiA4LjkxbC0xLjMxIDMuODN6Ii8+CiAgICA8cGF0aCBk PSJNMCAwaDI0djI0SDB6IiBmaWxsPSJub25lIi8+Cjwvc3ZnPg==`,
+            cmd: 'drawio',
+            menu: [
+                {
+                    text: 'Drawing Manager',
+                    onclick() {
+                        let selectedNode = editor.selection.getNode();
+                        showDrawingManager(editor, isDrawing(selectedNode) ? selectedNode : null);
+                    }
+                }
+            ]
+        });
+
+        editor.on('dblclick', event => {
+            let selectedNode = editor.selection.getNode();
+            if (!isDrawing(selectedNode)) return;
+            showDrawingEditor(editor, selectedNode);
+        });
+
+        editor.on('SetContent', function () {
+            let drawings = editor.$('body > div[drawio-diagram]');
+            if (!drawings.length) return;
+
+            editor.undoManager.transact(function () {
+                drawings.each((index, elem) => {
+                    elem.setAttribute('contenteditable', 'false');
+                });
+            });
+        });
+
+    });
+}
+
+function customHrPlugin() {
+    window.tinymce.PluginManager.add('customhr', function (editor) {
+        editor.addCommand('InsertHorizontalRule', function () {
+            let hrElem = document.createElement('hr');
+            let cNode = editor.selection.getNode();
+            let parentNode = cNode.parentNode;
+            parentNode.insertBefore(hrElem, cNode);
+        });
+
+        editor.addButton('hr', {
+            icon: 'hr',
+            tooltip: 'Horizontal line',
+            cmd: 'InsertHorizontalRule'
+        });
+
+        editor.addMenuItem('hr', {
+            icon: 'hr',
+            text: 'Horizontal line',
+            cmd: 'InsertHorizontalRule',
+            context: 'insert'
+        });
+    });
+}
+
+
 class WysiwygEditor {
 
     constructor(elem) {
         this.elem = elem;
-        this.options = require("../pages/page-form");
-        tinymce.init(this.options);
+        this.textDirection = document.getElementById('page-editor').getAttribute('text-direction');
+
+        this.plugins = "image table textcolor paste link autolink fullscreen imagetools code customhr autosave lists codeeditor media";
+        this.loadPlugins();
+
+        this.tinyMceConfig = this.getTinyMceConfig();
+        window.tinymce.init(this.tinyMceConfig);
+    }
+
+    loadPlugins() {
+        codePlugin();
+        customHrPlugin();
+        if (document.querySelector('[drawio-enabled]').getAttribute('drawio-enabled') === 'true') {
+            drawIoPlugin();
+            this.plugins += ' drawio';
+        }
+        if (this.textDirection === 'rtl') {
+            this.plugins += ' directionality'
+        }
+    }
+
+    getToolBar() {
+        const textDirPlugins = this.textDirection === 'rtl' ? 'ltr rtl' : '';
+        return `undo redo | styleselect | bold italic underline strikethrough superscript subscript | forecolor backcolor | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | table image-insert link hr drawio media | removeformat code ${textDirPlugins} fullscreen`
+    }
+
+    getTinyMceConfig() {
+        return {
+            selector: '#html-editor',
+            content_css: [
+                window.baseUrl('/dist/styles.css'),
+            ],
+            branding: false,
+            body_class: 'page-content',
+            browser_spellcheck: true,
+            relative_urls: false,
+            directionality : this.textDirection,
+            remove_script_host: false,
+            document_base_url: window.baseUrl('/'),
+            end_container_on_empty_block: true,
+            statusbar: false,
+            menubar: false,
+            paste_data_images: false,
+            extended_valid_elements: 'pre[*],svg[*],div[drawio-diagram]',
+            automatic_uploads: false,
+            valid_children: "-div[p|h1|h2|h3|h4|h5|h6|blockquote],+div[pre],+div[img]",
+            plugins: this.plugins,
+            imagetools_toolbar: 'imageoptions',
+            toolbar: this.getToolBar(),
+            content_style: "body {padding-left: 15px !important; padding-right: 15px !important; margin:0!important; margin-left:auto!important;margin-right:auto!important;}",
+            style_formats: [
+                {title: "Header Large", format: "h2"},
+                {title: "Header Medium", format: "h3"},
+                {title: "Header Small", format: "h4"},
+                {title: "Header Tiny", format: "h5"},
+                {title: "Paragraph", format: "p", exact: true, classes: ''},
+                {title: "Blockquote", format: "blockquote"},
+                {title: "Code Block", icon: "code", cmd: 'codeeditor', format: 'codeeditor'},
+                {title: "Inline Code", icon: "code", inline: "code"},
+                {title: "Callouts", items: [
+                        {title: "Info", format: 'calloutinfo'},
+                        {title: "Success", format: 'calloutsuccess'},
+                        {title: "Warning", format: 'calloutwarning'},
+                        {title: "Danger", format: 'calloutdanger'}
+                    ]},
+            ],
+            style_formats_merge: false,
+            media_alt_source: false,
+            media_poster: false,
+            formats: {
+                codeeditor: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div'},
+                alignleft: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-left'},
+                aligncenter: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-center'},
+                alignright: {selector: 'p,h1,h2,h3,h4,h5,h6,td,th,div,ul,ol,li,table,img', classes: 'align-right'},
+                calloutsuccess: {block: 'p', exact: true, attributes: {class: 'callout success'}},
+                calloutinfo: {block: 'p', exact: true, attributes: {class: 'callout info'}},
+                calloutwarning: {block: 'p', exact: true, attributes: {class: 'callout warning'}},
+                calloutdanger: {block: 'p', exact: true, attributes: {class: 'callout danger'}}
+            },
+            file_browser_callback: function (field_name, url, type, win) {
+
+                if (type === 'file') {
+                    window.EntitySelectorPopup.show(function(entity) {
+                        let originalField = win.document.getElementById(field_name);
+                        originalField.value = entity.link;
+                        $(originalField).closest('.mce-form').find('input').eq(2).val(entity.name);
+                    });
+                }
+
+                if (type === 'image') {
+                    // Show image manager
+                    window.ImageManager.show(function (image) {
+
+                        // Set popover link input to image url then fire change event
+                        // to ensure the new value sticks
+                        win.document.getElementById(field_name).value = image.url;
+                        if ("createEvent" in document) {
+                            let evt = document.createEvent("HTMLEvents");
+                            evt.initEvent("change", false, true);
+                            win.document.getElementById(field_name).dispatchEvent(evt);
+                        } else {
+                            win.document.getElementById(field_name).fireEvent("onchange");
+                        }
+
+                        // Replace the actively selected content with the linked image
+                        let html = `<a href="${image.url}" target="_blank">`;
+                        html += `<img src="${image.thumbs.display}" alt="${image.name}">`;
+                        html += '</a>';
+                        win.tinyMCE.activeEditor.execCommand('mceInsertContent', false, html);
+                    }, 'gallery');
+                }
+
+            },
+            paste_preprocess: function (plugin, args) {
+                let content = args.content;
+                if (content.indexOf('<img src="file://') !== -1) {
+                    args.content = '';
+                }
+            },
+            init_instance_callback: function(editor) {
+                loadCustomHeadContent(editor);
+            },
+            setup: function (editor) {
+
+                editor.on('ExecCommand change input NodeChange ObjectResized', editorChange);
+
+                editor.on('init', () => {
+                    editorChange();
+                    // Scroll to the content if needed.
+                    const queryParams = (new URL(window.location)).searchParams;
+                    const scrollId = queryParams.get('content-id');
+                    if (scrollId) {
+                        scrollToText(scrollId);
+                    }
+                });
+
+                function editorChange() {
+                    let content = editor.getContent();
+                    window.$events.emit('editor-html-change', content);
+                }
+
+                function scrollToText(scrollId) {
+                    const element = editor.dom.get(encodeURIComponent(scrollId).replace(/!/g, '%21'));
+                    if (!element) {
+                        return;
+                    }
+
+                    // scroll the element into the view and put the cursor at the end.
+                    element.scrollIntoView();
+                    editor.selection.select(element, true);
+                    editor.selection.collapse(false);
+                    editor.focus();
+                }
+
+                window.$events.listen('editor-html-update', html => {
+                    editor.setContent(html);
+                    editor.selection.select(editor.getBody(), true);
+                    editor.selection.collapse(false);
+                    editorChange(html);
+                });
+
+                registerEditorShortcuts(editor);
+
+                let wrap;
+
+                function hasTextContent(node) {
+                    return node && !!( node.textContent || node.innerText );
+                }
+
+                editor.on('dragstart', function () {
+                    let node = editor.selection.getNode();
+
+                    if (node.nodeName !== 'IMG') return;
+                    wrap = editor.dom.getParent(node, '.mceTemp');
+
+                    if (!wrap && node.parentNode.nodeName === 'A' && !hasTextContent(node.parentNode)) {
+                        wrap = node.parentNode;
+                    }
+                });
+
+                editor.on('drop', function (event) {
+                    let dom = editor.dom,
+                        rng = tinymce.dom.RangeUtils.getCaretRangeFromPoint(event.clientX, event.clientY, editor.getDoc());
+
+                    // Don't allow anything to be dropped in a captioned image.
+                    if (dom.getParent(rng.startContainer, '.mceTemp')) {
+                        event.preventDefault();
+                    } else if (wrap) {
+                        event.preventDefault();
+
+                        editor.undoManager.transact(function () {
+                            editor.selection.setRng(rng);
+                            editor.selection.setNode(wrap);
+                            dom.remove(wrap);
+                        });
+                    }
+
+                    wrap = null;
+                });
+
+                // Custom Image picker button
+                editor.addButton('image-insert', {
+                    title: 'My title',
+                    icon: 'image',
+                    tooltip: 'Insert an image',
+                    onclick: function () {
+                        window.ImageManager.show(function (image) {
+                            let html = `<a href="${image.url}" target="_blank">`;
+                            html += `<img src="${image.thumbs.display}" alt="${image.name}">`;
+                            html += '</a>';
+                            editor.execCommand('mceInsertContent', false, html);
+                        }, 'gallery');
+                    }
+                });
+
+                // Paste image-uploads
+                editor.on('paste', event => editorPaste(event, editor));
+            }
+        };
     }
 
 }
 
-module.exports = WysiwygEditor;
\ No newline at end of file
+export default WysiwygEditor;