1114 lines
40 KiB
JavaScript
1114 lines
40 KiB
JavaScript
/*
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* Based on ember-mobiledoc-editor
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* https://github.com/bustle/ember-mobiledoc-editor
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*/
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import Component from '@ember/component';
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import Editor from 'mobiledoc-kit/editor/editor';
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import EmberObject, {computed, get} from '@ember/object';
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import Key from 'mobiledoc-kit/utils/key';
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import MobiledocRange from 'mobiledoc-kit/utils/cursor/range';
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import defaultAtoms from '../options/atoms';
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import defaultCards from '../options/cards';
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import formatMarkdown from 'ghost-admin/utils/format-markdown';
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import layout from '../templates/components/koenig-editor';
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import parserPlugins from '../options/parser-plugins';
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import registerKeyCommands from '../options/key-commands';
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import registerTextExpansions from '../options/text-expansions';
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import validator from 'npm:validator';
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import {A} from '@ember/array';
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import {MOBILEDOC_VERSION} from 'mobiledoc-kit/renderers/mobiledoc';
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import {assign} from '@ember/polyfills';
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import {camelize, capitalize} from '@ember/string';
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import {copy} from '@ember/object/internals';
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import {getContentFromPasteEvent} from 'mobiledoc-kit/utils/parse-utils';
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import {getLinkMarkupFromRange} from '../utils/markup-utils';
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import {getOwner} from '@ember/application';
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import {guidFor} from '@ember/object/internals';
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import {isBlank} from '@ember/utils';
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import {run} from '@ember/runloop';
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const UNDO_DEPTH = 50;
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export const ADD_CARD_HOOK = 'addComponent';
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export const REMOVE_CARD_HOOK = 'removeComponent';
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// used in test helpers to grab a reference to the underlying mobiledoc editor
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export const TESTING_EXPANDO_PROPERTY = '__mobiledoc_kit_editor';
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// blank doc contains a single empty paragraph so that there's some content for
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// the cursor to start in
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export const BLANK_DOC = {
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version: MOBILEDOC_VERSION,
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markups: [],
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atoms: [],
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cards: [],
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sections: [
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[1, 'p', [
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[0, [], 0, '']
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]]
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]
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};
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// map card names to component names
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export const CARD_COMPONENT_MAP = {
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hr: 'koenig-card-hr',
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image: 'koenig-card-image',
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markdown: 'koenig-card-markdown',
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'card-markdown': 'koenig-card-markdown', // backwards-compat with markdown editor
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html: 'koenig-card-html',
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code: 'koenig-card-code',
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embed: 'koenig-card-embed'
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};
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export const CURSOR_BEFORE = -1;
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export const CURSOR_AFTER = 1;
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export const NO_CURSOR_MOVEMENT = 0;
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// markups that should not be continued when typing and reverted to their
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// text expansion style when backspacing over final char of markup
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export const SPECIAL_MARKUPS = {
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S: '~~',
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CODE: '`',
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SUP: '^',
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SUB: '~'
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};
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function arrayToMap(array) {
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let map = Object.create(null);
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array.forEach((key) => {
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if (key) { // skip undefined/falsy key values
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key = `is${capitalize(camelize(key))}`;
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map[key] = true;
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}
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});
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return map;
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}
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// if the cursor is at the end of one of our "special" markups that can only be
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// toggled via markdown expansions then we want to ensure that the markup is
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// removed from the edit state so that you can type without being stuck with
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// the special formatting
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function toggleSpecialFormatEditState(editor) {
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let {head, isCollapsed} = editor.range;
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if (isCollapsed) {
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Object.keys(SPECIAL_MARKUPS).forEach((tagName) => {
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tagName = tagName.toLowerCase();
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if (head.marker && head.marker.hasMarkup(tagName) && editor._editState.activeMarkups.findBy('tagName', tagName)) {
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let nextMarker = head.markerIn(1);
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if (!nextMarker || !nextMarker.hasMarkup(tagName)) {
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// there is a bug somehwhere that means after pasting
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// content the _editState can end up with multiple
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// instances of the markup so we need to toggle all of them
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editor._editState.activeMarkups.filterBy('tagName', tagName).forEach((markup) => {
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editor._editState.toggleMarkupState(markup);
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});
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}
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}
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});
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}
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}
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// helper function to insert image cards at or after the current active section
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// used when pasting or dropping image files
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function insertImageCards(files, postEditor) {
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let {builder, editor} = postEditor;
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// remove the current section if it's blank - avoids unexpected blank line
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// after the insert is complete
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if (editor.activeSection && editor.activeSection.isBlank) {
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postEditor.removeSection(editor.activeSection);
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}
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files.forEach((file) => {
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let payload = {
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files: [file]
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};
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let imageCard = builder.createCardSection('image', payload);
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postEditor.insertSection(imageCard);
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});
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}
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export default Component.extend({
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layout,
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tagName: 'article',
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classNames: ['koenig-editor', 'w-100', 'flex-grow', 'relative', 'center', 'mb0', 'mt0'],
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// public attrs
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mobiledoc: null,
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placeholder: 'Write here...',
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autofocus: false,
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spellcheck: true,
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options: null,
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headerOffset: 0,
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dropTargetSelector: null,
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scrollContainerSelector: null,
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scrollOffsetTopSelector: null,
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scrollOffsetBottomSelector: null,
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// internal properties
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editor: null,
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activeMarkupTagNames: null,
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activeSectionTagNames: null,
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selectedRange: null,
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componentCards: null,
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linkRange: null,
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selectedCard: null,
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// private properties
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_localMobiledoc: null,
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_upstreamMobiledoc: null,
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_startedRunLoop: false,
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_lastIsEditingDisabled: false,
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_isRenderingEditor: false,
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_skipCursorChange: false,
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_modifierKeys: null,
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// closure actions
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willCreateEditor() {},
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didCreateEditor() {},
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onChange() {},
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cursorDidExitAtTop() {},
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/* computed properties -------------------------------------------------- */
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// merge in named options with any passed in `options` property data-bag
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editorOptions: computed(function () {
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let options = this.options || {};
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let atoms = this.atoms || [];
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let cards = this.cards || [];
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// add our default atoms and cards, we want the defaults to be first so
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// that they can be overridden by any passed-in atoms or cards.
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// Use Array.concat to avoid modifying any passed in array references
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atoms = Array.concat(defaultAtoms, atoms);
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cards = Array.concat(defaultCards, cards);
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return assign({
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placeholder: this.placeholder,
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spellcheck: this.spellcheck,
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autofocus: this.autofocus,
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atoms,
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cards
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}, options);
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}),
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/* lifecycle hooks ------------------------------------------------------ */
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init() {
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this._super(...arguments);
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// set a blank mobiledoc if we didn't receive anything
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let mobiledoc = this.mobiledoc;
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if (!mobiledoc) {
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mobiledoc = BLANK_DOC;
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this.set('mobiledoc', mobiledoc);
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}
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this.set('componentCards', A([]));
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this.set('activeMarkupTagNames', {});
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this.set('activeSectionTagNames', {});
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this._modifierKeys = {
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shift: false,
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alt: false,
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ctrl: false
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};
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// track mousedown/mouseup on the window rather than the ember component
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// so that we're sure to get the events even when they start outside of
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// this component or end outside the window.
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// Mouse events are used to track when a mousebutton is down so that we
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// can disable automatic cursor-in-viewport scrolling
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this._onMousedownHandler = run.bind(this, this.handleMousedown);
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window.addEventListener('mousedown', this._onMousedownHandler);
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this._onMouseupHandler = run.bind(this, this.handleMouseup);
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window.addEventListener('mouseup', this._onMouseupHandler);
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this._startedRunLoop = false;
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},
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willRender() {
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// use a default mobiledoc. If there are no changes then return early
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let mobiledoc = this.mobiledoc || BLANK_DOC;
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let mobiledocIsSame =
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(this._localMobiledoc && this._localMobiledoc === mobiledoc) ||
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(this._upstreamMobiledoc && this._upstreamMobiledoc === mobiledoc);
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let isEditingDisabledIsSame =
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this._lastIsEditingDisabled === this.isEditingDisabled;
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// no change to mobiledoc, no need to recreate the editor
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if (mobiledocIsSame && isEditingDisabledIsSame) {
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return;
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}
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// update our internal references
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this._lastIsEditingDisabled = this.isEditingDisabled;
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this._upstreamMobiledoc = mobiledoc;
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this._localMobiledoc = null;
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// trigger the willCreateEditor closure action
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this.willCreateEditor();
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// teardown any old editor that might be around
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let editor = this.editor;
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if (editor) {
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editor.destroy();
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}
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// create a new editor
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let editorOptions = this.editorOptions;
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editorOptions.mobiledoc = mobiledoc;
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editorOptions.showLinkTooltips = false;
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editorOptions.undoDepth = UNDO_DEPTH;
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editorOptions.parserPlugins = parserPlugins;
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let componentHooks = {
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// triggered when a card section is added to the mobiledoc
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[ADD_CARD_HOOK]: ({env, options, payload}, koenigOptions) => {
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let cardName = env.name;
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let componentName = CARD_COMPONENT_MAP[cardName];
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// the payload must be copied to avoid sharing the reference
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// `payload.files` is special because it's set by paste/drag-n-drop
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// events and can't be copied for security reasons
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let {files} = payload;
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let payloadCopy = copy(payload, true);
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payloadCopy.files = files;
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// all of the properties that will be passed through to the
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// component cards via the template
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let card = EmberObject.create({
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cardName,
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componentName,
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koenigOptions,
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payload: payloadCopy,
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env,
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options,
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editor,
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postModel: env.postModel,
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isSelected: false,
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isEditing: false
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});
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// the desination element is the container that gets rendered
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// inside the editor, once rendered we use {{-in-element}} to
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// wormhole in the actual ember component
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let cardId = guidFor(card);
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let destinationElementId = `koenig-editor-card-${cardId}`;
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let destinationElement = document.createElement('div');
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destinationElement.id = destinationElementId;
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card.setProperties({
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destinationElementId,
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destinationElement
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});
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// after render we render the full ember card via {{-in-element}}
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run.schedule('afterRender', () => {
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this.componentCards.pushObject(card);
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});
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// render the destination element inside the editor
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return {card, element: destinationElement};
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},
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// triggered when a card section is removed from the mobiledoc
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[REMOVE_CARD_HOOK]: (card) => {
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this.componentCards.removeObject(card);
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}
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};
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editorOptions.cardOptions = componentHooks;
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editor = new Editor(editorOptions);
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// set up key commands and text expansions (MD conversion)
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// TODO: this will override any passed in options, we should allow the
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// default behaviour to be overridden by addon consumers
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registerKeyCommands(editor, this);
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registerTextExpansions(editor, this);
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// set up editor hooks
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editor.willRender(() => {
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// The editor's render/rerender will happen after this `editor.willRender`,
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// so we explicitly start a runloop here if there is none, so that the
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// add/remove card hooks happen inside a runloop.
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// When pasting text that gets turned into a card, for example,
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// the add card hook would run outside the runloop if we didn't begin a new
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// one now.
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if (!run.currentRunLoop) {
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this._startedRunLoop = true;
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run.begin();
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}
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});
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editor.didRender(() => {
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// if we had explicitly started a runloop in `editor.willRender`,
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// we must explicitly end it here
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if (this._startedRunLoop) {
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this._startedRunLoop = false;
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run.end();
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}
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});
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editor.postDidChange(() => {
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run.join(() => {
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this.postDidChange(editor);
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});
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});
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editor.cursorDidChange(() => {
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run.join(() => {
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this.cursorDidChange(editor);
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});
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});
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editor.inputModeDidChange(() => {
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if (this.isDestroyed) {
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return;
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}
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run.join(() => {
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this.inputModeDidChange(editor);
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});
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});
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if (this.isEditingDisabled) {
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editor.disableEditing();
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}
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this.set('editor', editor);
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this.didCreateEditor(this);
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},
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didInsertElement() {
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this._super(...arguments);
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let editorElement = this.element.querySelector('[data-kg="editor"]');
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this._pasteHandler = run.bind(this, this.handlePaste);
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editorElement.addEventListener('paste', this._pasteHandler);
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if (this.scrollContainerSelector) {
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this._scrollContainer = document.querySelector(this.scrollContainerSelector);
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}
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this._dropTarget = document.querySelector(this.dropTargetSelector) || this.element;
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this._dragOverHandler = run.bind(this, this.handleDragOver);
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this._dragLeaveHandler = run.bind(this, this.handleDragLeave);
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this._dropHandler = run.bind(this, this.handleDrop);
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this._dropTarget.addEventListener('dragover', this._dragOverHandler);
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this._dropTarget.addEventListener('dragleave', this._dragLeaveHandler);
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this._dropTarget.addEventListener('drop', this._dropHandler);
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},
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// our ember component has rendered, now we need to render the mobiledoc
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// editor itself if necessary
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didRender() {
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this._super(...arguments);
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let editor = this.editor;
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if (!editor.hasRendered) {
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let editorElement = this.element.querySelector('[data-kg="editor"]');
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this._isRenderingEditor = true;
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editor.render(editorElement);
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this._isRenderingEditor = false;
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}
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},
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willDestroyElement() {
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let {editor, _dropTarget} = this;
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_dropTarget.removeEventListener('dragover', this._dragOverHandler);
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_dropTarget.removeEventListener('dragleave', this._dragLeaveHandler);
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_dropTarget.removeEventListener('drop', this._dropHandler);
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let editorElement = this.element.querySelector('[data-kg="editor"]');
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editorElement.removeEventListener('paste', this._pasteHandler);
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editor.destroy();
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this._super(...arguments);
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},
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actions: {
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exitCursorAtTop() {
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if (this.selectedCard) {
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this.deselectCard(this.selectedCard);
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}
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this.cursorDidExitAtTop();
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},
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toggleMarkup(markupTagName, postEditor) {
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(postEditor || this.editor).toggleMarkup(markupTagName);
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},
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toggleSection(sectionTagName, postEditor) {
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(postEditor || this.editor).toggleSection(sectionTagName);
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},
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toggleHeaderSection(headingTagName, postEditor, options = {}) {
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let editor = this.editor;
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// skip toggle if we already have the same heading level
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if (!options.force && editor.activeSection.tagName === headingTagName) {
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return;
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}
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let operation = function (postEditor) {
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// strip all formatting aside from links
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postEditor.removeMarkupFromRange(
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editor.activeSection.toRange(),
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m => m.tagName !== 'a'
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);
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postEditor.toggleSection(headingTagName);
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};
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this._performEdit(operation, postEditor);
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},
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replaceWithCardSection(cardName, range, payload) {
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let editor = this.editor;
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let {head: {section}} = range;
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editor.run((postEditor) => {
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let {builder} = postEditor;
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let card = builder.createCardSection(cardName, payload);
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let nextSection = section.next;
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let needsTrailingParagraph = !nextSection;
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postEditor.replaceSection(section, card);
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// add an empty paragraph after if necessary so writing can continue
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if (needsTrailingParagraph) {
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let newSection = postEditor.builder.createMarkupSection('p');
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postEditor.insertSectionAtEnd(newSection);
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postEditor.setRange(newSection.tailPosition());
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} else {
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postEditor.setRange(nextSection.headPosition());
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}
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});
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// cards are pushed on to the `componentCards` array so we can
|
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// assume that the last card in the list is the one we want to
|
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// select. Needs to be scheduled afterRender so that the new card
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// is actually present
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run.schedule('afterRender', this, function () {
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let card = this.componentCards.lastObject;
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if (card.koenigOptions.hasEditMode) {
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this.editCard(card);
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} else if (card.koenigOptions.selectAfterInsert) {
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this.selectCard(card);
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}
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});
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},
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selectCard(card) {
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this.selectCard(card);
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},
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editCard(card) {
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this.editCard(card);
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},
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deselectCard(card) {
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this.deselectCard(card);
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},
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// range should be set to the full extent of the selection or the
|
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// appropriate <a> markup. If there's a selection when the link edit
|
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// component renders it will re-select when finished which should
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// trigger the normal toolbar
|
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editLink(range) {
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let linkMarkup = getLinkMarkupFromRange(range);
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if ((!range.isCollapsed || linkMarkup) && range.headSection.isMarkerable) {
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this.set('linkRange', range);
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}
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},
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cancelEditLink() {
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this.set('linkRange', null);
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},
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deleteCard(card, cursorMovement = CURSOR_AFTER) {
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this.deleteCard(card, cursorMovement);
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},
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moveCursorToPrevSection(card) {
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let section = this.getSectionFromCard(card);
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|
|
if (section.prev) {
|
|
this.deselectCard(card);
|
|
this.moveCaretToTailOfSection(section.prev, false);
|
|
}
|
|
},
|
|
|
|
moveCursorToNextSection(card) {
|
|
let section = this.getSectionFromCard(card);
|
|
|
|
if (section.next) {
|
|
this.deselectCard(card);
|
|
this.moveCaretToHeadOfSection(section.next, false);
|
|
} else {
|
|
this.send('addParagraphAfterCard', card);
|
|
}
|
|
},
|
|
|
|
addParagraphAfterCard(card) {
|
|
let editor = this.editor;
|
|
let section = this.getSectionFromCard(card);
|
|
let collection = section.parent.sections;
|
|
let nextSection = section.next;
|
|
|
|
this.deselectCard(card);
|
|
|
|
editor.run((postEditor) => {
|
|
let {builder} = postEditor;
|
|
let newPara = builder.createMarkupSection('p');
|
|
|
|
if (nextSection) {
|
|
postEditor.insertSectionBefore(collection, newPara, nextSection);
|
|
} else {
|
|
postEditor.insertSectionAtEnd(newPara);
|
|
}
|
|
|
|
postEditor.setRange(newPara.tailPosition());
|
|
});
|
|
}
|
|
},
|
|
|
|
/* public interface ----------------------------------------------------- */
|
|
// TODO: find a better way to expose this?
|
|
|
|
cleanup() {
|
|
this.componentCards.forEach((card) => {
|
|
if (!card.koenigOptions.deleteIfEmpty) {
|
|
return;
|
|
}
|
|
|
|
let shouldDelete = card.koenigOptions.deleteIfEmpty;
|
|
|
|
if (typeof shouldDelete === 'string') {
|
|
let payloadKey = shouldDelete;
|
|
shouldDelete = card => isBlank(get(card, payloadKey));
|
|
}
|
|
|
|
if (shouldDelete(card)) {
|
|
this.deleteCard(card, NO_CURSOR_MOVEMENT);
|
|
}
|
|
});
|
|
},
|
|
|
|
/* mobiledoc event handlers --------------------------------------------- */
|
|
|
|
postDidChange(editor) {
|
|
let serializeVersion = this.serializeVersion;
|
|
let updatedMobiledoc = editor.serialize(serializeVersion);
|
|
this._localMobiledoc = updatedMobiledoc;
|
|
|
|
// trigger closure action
|
|
this.onChange(updatedMobiledoc);
|
|
},
|
|
|
|
cursorDidChange(editor) {
|
|
let {head, tail, direction, isCollapsed, head: {section}} = editor.range;
|
|
|
|
// sometimes we perform a programatic edit that causes a cursor change
|
|
// but we actually want to skip the default behaviour because we've
|
|
// already handled it, e.g. on card insertion, manual card selection
|
|
if (this._skipCursorChange) {
|
|
this._skipCursorChange = false;
|
|
this.set('selectedRange', editor.range);
|
|
this._scrollCursorIntoView();
|
|
return;
|
|
}
|
|
|
|
// ignore the cursor moving from one end to the other within a selected
|
|
// card section, clicking and other interactions within a card can cause
|
|
// this to happen and we don't want to select/deselect accidentally.
|
|
// See the up/down/left/right key handlers for the card selection
|
|
if (this.selectedCard && this.selectedCard.postModel === section) {
|
|
return;
|
|
}
|
|
|
|
// select the card if the cursor is on the before/after ‌ char
|
|
if (section && isCollapsed && section.type === 'card-section') {
|
|
if (head.offset === 0 || head.offset === 1) {
|
|
// select card after render to ensure that our componentCards
|
|
// attr is populated
|
|
run.schedule('afterRender', this, () => {
|
|
let card = this.getCardFromSection(section);
|
|
this.selectCard(card);
|
|
this.set('selectedRange', editor.range);
|
|
});
|
|
return;
|
|
}
|
|
}
|
|
|
|
// deselect any selected card because the cursor is no longer on a card
|
|
if (this.selectedCard && !editor.range.isBlank) {
|
|
this.deselectCard(this.selectedCard);
|
|
}
|
|
|
|
// if we have `code` or ~strike~ formatting to the left but not the right
|
|
// then toggle the formatting - these formats should only be creatable
|
|
// through the text expansions
|
|
toggleSpecialFormatEditState(editor);
|
|
|
|
// do not include the tail section if it's offset is 0
|
|
// fixes triple-click unexpectedly selecting two sections for section-level formatting
|
|
// https://github.com/bustle/mobiledoc-kit/issues/597
|
|
if (direction === 1 && !isCollapsed && tail.offset === 0 && tail.section.prev) {
|
|
let finalSection = tail.section.prev;
|
|
let newRange = new MobiledocRange(head, finalSection.tailPosition());
|
|
return editor.selectRange(newRange);
|
|
}
|
|
|
|
// pass the selected range through to the toolbar + menu components
|
|
this.set('selectedRange', editor.range);
|
|
this._scrollCursorIntoView();
|
|
},
|
|
|
|
// fired when the active section(s) or markup(s) at the current cursor
|
|
// position or selection have changed. We use this event to update the
|
|
// activeMarkup/section tag lists which control button states in our popup
|
|
// toolbar
|
|
inputModeDidChange(editor) {
|
|
let markupTags = arrayToMap(editor.activeMarkups.map(m => m.tagName));
|
|
// editor.activeSections are leaf sections.
|
|
// Map parent section tag names (e.g. 'p', 'ul', 'ol') so that list buttons
|
|
// are updated.
|
|
// eslint-disable-next-line no-confusing-arrow
|
|
let sectionParentTagNames = editor.activeSections.map(s => s.isNested ? s.parent.tagName : s.tagName);
|
|
let sectionTags = arrayToMap(sectionParentTagNames);
|
|
|
|
// On keyboard cursor movement our `cursorDidChange` toggle for special
|
|
// formats happens before mobiledoc's readstate updates the edit states
|
|
// so we have to re-do it here
|
|
// TODO: can we make the event order consistent in mobiledoc-kit?
|
|
toggleSpecialFormatEditState(editor);
|
|
|
|
// Avoid updating this component's properties synchronously while
|
|
// rendering the editor (after rendering the component) because it
|
|
// causes Ember to display deprecation warnings
|
|
if (this._isRenderingEditor) {
|
|
run.schedule('afterRender', () => {
|
|
this.set('activeMarkupTagNames', markupTags);
|
|
this.set('activeSectionTagNames', sectionTags);
|
|
});
|
|
} else {
|
|
this.set('activeMarkupTagNames', markupTags);
|
|
this.set('activeSectionTagNames', sectionTags);
|
|
}
|
|
},
|
|
|
|
/* custom event handlers ------------------------------------------------ */
|
|
|
|
handlePaste(event) {
|
|
let {editor} = this;
|
|
|
|
// don't trigger our paste handling for pastes within cards or outside
|
|
// of the editor canvas. Avoids double-paste of content when pasting
|
|
// into cards
|
|
if (!editor.cursor.isAddressable(event.target)) {
|
|
return;
|
|
}
|
|
|
|
// if we have image files pasted, create an image card for each and set
|
|
// the payload.files property which will cause the image to be auto-uploaded
|
|
// NOTE: browser support varies as of May 2018:
|
|
// - Safari: will paste all images
|
|
// - Chrome: will only paste the first image
|
|
// - Firefox: will not paste any images
|
|
let images = Array.from(event.clipboardData.files).filter(file => file.type.indexOf('image') > -1);
|
|
if (images.length > 0) {
|
|
event.preventDefault();
|
|
event.stopImmediatePropagation();
|
|
|
|
editor.run((postEditor) => {
|
|
insertImageCards(images, postEditor);
|
|
});
|
|
return;
|
|
}
|
|
|
|
let range = editor.range;
|
|
let {html, text} = getContentFromPasteEvent(event);
|
|
|
|
// if a URL is pasted and we have a selection, make that selection a link
|
|
if (range && !range.isCollapsed && range.headSection === range.tailSection && range.headSection.isMarkerable) {
|
|
if (text && validator.isURL(text)) {
|
|
let linkMarkup = editor.builder.createMarkup('a', {href: text});
|
|
editor.run((postEditor) => {
|
|
postEditor.addMarkupToRange(range, linkMarkup);
|
|
});
|
|
editor.selectRange(range.tail);
|
|
// prevent mobiledoc's default paste event handler firing
|
|
event.preventDefault();
|
|
event.stopImmediatePropagation();
|
|
return;
|
|
}
|
|
}
|
|
|
|
// if plain text is pasted we run it through our markdown parser so that
|
|
// we get better output than mobiledoc's default text parsing and we can
|
|
// provide an easier MD->Mobiledoc conversion route
|
|
// NOTE: will not work in IE/Edge which only ever expose `html`
|
|
if (text && !html && !this._modifierKeys.shift) {
|
|
// prevent mobiledoc's default paste event handler firing
|
|
event.preventDefault();
|
|
event.stopImmediatePropagation();
|
|
|
|
// we can't modify the paste event itself so we trigger a mock
|
|
// paste event with our own data
|
|
let pasteEvent = {
|
|
type: 'paste',
|
|
preventDefault() {},
|
|
target: editor.element,
|
|
clipboardData: {
|
|
getData(type) {
|
|
if (type === 'text/html') {
|
|
return formatMarkdown(text, false);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
editor.triggerEvent(editor.element, 'paste', pasteEvent);
|
|
}
|
|
|
|
// we need to standardise HTML here because parserPlugins do not get
|
|
// passed inline markup such as `<b>` or `<i>`
|
|
if (html) {
|
|
// prevent mobiledoc's default paste event handler firing
|
|
event.preventDefault();
|
|
event.stopImmediatePropagation();
|
|
|
|
let normalizedHtml = html
|
|
.replace(/<b(\s|>)/gi, '<strong$1')
|
|
.replace(/<\/b>/gi, '</strong>')
|
|
.replace(/<i(\s|>)/gi, '<em$1')
|
|
.replace(/<\/i>/gi, '</em>');
|
|
|
|
// we can't modify the paste event itself so we trigger a mock
|
|
// paste event with our own data
|
|
let pasteEvent = {
|
|
type: 'paste',
|
|
preventDefault() {},
|
|
target: editor.element,
|
|
clipboardData: {
|
|
getData(type) {
|
|
if (type === 'text/plain') {
|
|
return text;
|
|
}
|
|
if (type === 'text/html') {
|
|
return normalizedHtml;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
editor.triggerEvent(editor.element, 'paste', pasteEvent);
|
|
}
|
|
},
|
|
|
|
handleMousedown(event) {
|
|
// we only care about the left mouse button
|
|
if (event.which === 1) {
|
|
this._isMouseDown = true;
|
|
}
|
|
},
|
|
|
|
handleMouseup(event) {
|
|
if (event.which === 1) {
|
|
this._isMouseDown = false;
|
|
}
|
|
},
|
|
|
|
handleDragOver(event) {
|
|
if (!event.dataTransfer) {
|
|
return;
|
|
}
|
|
|
|
// this is needed to work around inconsistencies with dropping files
|
|
// from Chrome's downloads bar
|
|
if (navigator.userAgent.indexOf('Chrome') > -1) {
|
|
let eA = event.dataTransfer.effectAllowed;
|
|
event.dataTransfer.dropEffect = (eA === 'move' || eA === 'linkMove') ? 'move' : 'copy';
|
|
}
|
|
|
|
// indicate to the browser that we want to handle drop behaviour here
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
},
|
|
|
|
handleDragLeave(event) {
|
|
event.preventDefault();
|
|
},
|
|
|
|
handleDrop(event) {
|
|
// drops on cards that are in an edit state should be cancelled
|
|
// editable cards should handle drag-n-drop themselves if needed
|
|
let cardElem = event.target.closest('.__mobiledoc-card');
|
|
if (cardElem) {
|
|
let cardId = cardElem.firstChild.id;
|
|
let card = this.componentCards.findBy('destinationElementId', cardId);
|
|
if (card.isEditing) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
event.preventDefault();
|
|
|
|
if (event.dataTransfer.files) {
|
|
let images = Array.from(event.dataTransfer.files).filter(file => file.type.indexOf('image') > -1);
|
|
if (images.length > 0) {
|
|
this.editor.run((postEditor) => {
|
|
insertImageCards(images, postEditor);
|
|
});
|
|
}
|
|
}
|
|
},
|
|
|
|
/* Ember event handlers ------------------------------------------------- */
|
|
|
|
// disable dragging
|
|
// TODO: needs testing for how this interacts with cards that have drag behaviour
|
|
dragStart(event) {
|
|
event.preventDefault();
|
|
},
|
|
|
|
// we keep track of the modifier keys that are pressed so that in other event
|
|
// handlers we can adjust the behaviour. Necessary because the browser doesn't
|
|
// natively provide any info on non-key events about which keys are pressed
|
|
keyDown(event) {
|
|
let key = Key.fromEvent(event);
|
|
this._updateModifiersFromKey(key, {isDown: true});
|
|
},
|
|
|
|
keyUp(event) {
|
|
let key = Key.fromEvent(event);
|
|
this._updateModifiersFromKey(key, {isDown: false});
|
|
},
|
|
|
|
/* public methods ------------------------------------------------------- */
|
|
|
|
selectCard(card, isEditing = false) {
|
|
// no-op if card is already selected
|
|
if (card === this.selectedCard && isEditing === card.isEditing) {
|
|
return;
|
|
}
|
|
|
|
// deselect any already selected card
|
|
if (this.selectedCard && card !== this.selectedCard) {
|
|
this.deselectCard(this.selectedCard);
|
|
}
|
|
|
|
// setting a card as selected trigger's the cards didReceiveAttrs
|
|
// hook where the actual selection state change happens. Put into edit
|
|
// mode if necessary
|
|
card.setProperties({
|
|
isEditing,
|
|
isSelected: true
|
|
});
|
|
this.selectedCard = card;
|
|
|
|
// hide the cursor and place it after the card so that ENTER can
|
|
// create a new paragraph and cursorDidExitAtTop gets fired on LEFT
|
|
// if the card is at the top of the document
|
|
this._hideCursor();
|
|
let section = this.getSectionFromCard(card);
|
|
this.moveCaretToTailOfSection(section);
|
|
},
|
|
|
|
editCard(card) {
|
|
// no-op if card is already being edited
|
|
if (card === this.selectedCard && card.isEditing) {
|
|
return;
|
|
}
|
|
|
|
// select the card with edit mode
|
|
this.selectCard(card, true);
|
|
},
|
|
|
|
deselectCard(card) {
|
|
card.set('isEditing', false);
|
|
card.set('isSelected', false);
|
|
this.selectedCard = null;
|
|
this._showCursor();
|
|
},
|
|
|
|
deleteCard(card, cursorDirection) {
|
|
this.editor.run((postEditor) => {
|
|
let section = card.env.postModel;
|
|
let nextPosition;
|
|
|
|
if (cursorDirection === CURSOR_BEFORE) {
|
|
nextPosition = section.prev && section.prev.tailPosition();
|
|
} else {
|
|
nextPosition = section.next && section.next.headPosition();
|
|
}
|
|
|
|
postEditor.removeSection(section);
|
|
|
|
// if there's no prev or next section then the doc is empty, we want
|
|
// to add a blank paragraph and place the cursor in it
|
|
if (cursorDirection !== NO_CURSOR_MOVEMENT && !nextPosition) {
|
|
let {builder} = postEditor;
|
|
let newPara = builder.createMarkupSection('p');
|
|
postEditor.insertSectionAtEnd(newPara);
|
|
return postEditor.setRange(newPara.tailPosition());
|
|
}
|
|
|
|
if (cursorDirection !== NO_CURSOR_MOVEMENT) {
|
|
return postEditor.setRange(nextPosition);
|
|
}
|
|
});
|
|
},
|
|
|
|
getCardFromSection(section) {
|
|
if (!section || section.type !== 'card-section') {
|
|
return;
|
|
}
|
|
|
|
let cardId = section.renderNode.element.querySelector('.__mobiledoc-card').firstChild.id;
|
|
|
|
return this.componentCards.findBy('destinationElementId', cardId);
|
|
},
|
|
|
|
getSectionFromCard(card) {
|
|
return card.env.postModel;
|
|
},
|
|
|
|
moveCaretToHeadOfSection(section, skipCursorChange = true) {
|
|
this.moveCaretToSection(section, 'head', skipCursorChange);
|
|
},
|
|
|
|
moveCaretToTailOfSection(section, skipCursorChange = true) {
|
|
this.moveCaretToSection(section, 'tail', skipCursorChange);
|
|
},
|
|
|
|
moveCaretToSection(section, position, skipCursorChange = true) {
|
|
let sectionPosition = position === 'head' ? section.headPosition() : section.tailPosition();
|
|
let range = sectionPosition.toRange();
|
|
|
|
// don't trigger another cursor change selection after selecting
|
|
if (skipCursorChange && !range.isEqual(this.editor.range)) {
|
|
this._skipCursorChange = true;
|
|
}
|
|
|
|
this.editor.selectRange(range);
|
|
},
|
|
|
|
/* internal methods ----------------------------------------------------- */
|
|
|
|
// nested editor.run loops will create additional undo steps so this is a
|
|
// shortcut for when we already have a postEditor
|
|
_performEdit(editOperation, postEditor) {
|
|
if (postEditor) {
|
|
editOperation(postEditor);
|
|
} else {
|
|
this.editor.run((postEditor) => {
|
|
editOperation(postEditor);
|
|
});
|
|
}
|
|
},
|
|
|
|
_hideCursor() {
|
|
this.editor.element.style.caretColor = 'transparent';
|
|
},
|
|
|
|
_showCursor() {
|
|
this.editor.element.style.caretColor = 'auto';
|
|
},
|
|
|
|
_updateModifiersFromKey(key, {isDown}) {
|
|
if (key.isShiftKey()) {
|
|
this._modifierKeys.shift = isDown;
|
|
} else if (key.isAltKey()) {
|
|
this._modifierKeys.alt = isDown;
|
|
} else if (key.isCtrlKey()) {
|
|
this._modifierKeys.ctrl = isDown;
|
|
}
|
|
},
|
|
|
|
_scrollCursorIntoView() {
|
|
// disable auto-scroll if the mouse or shift key is being used to create
|
|
// a selection - the browser handles scrolling well in this case
|
|
if (!this._scrollContainer || this._isMouseDown || this._modifierKeys.shift) {
|
|
return;
|
|
}
|
|
|
|
let {range} = this.editor;
|
|
let selection = window.getSelection();
|
|
let windowRange = selection && selection.getRangeAt(0);
|
|
let element = range.head && range.head.section && range.head.section.renderNode && range.head.section.renderNode.element;
|
|
|
|
// prevent scroll jumps when a card is selected
|
|
if (range && range.head.section && range.head.section.isCardSection) {
|
|
return;
|
|
}
|
|
|
|
if (windowRange) {
|
|
// cursorTop is relative to the window rather than document or scroll container
|
|
let {top: cursorTop, height: cursorHeight} = windowRange.getBoundingClientRect();
|
|
let viewportHeight = window.innerHeight;
|
|
let offsetTop = 0;
|
|
let offsetBottom = 0;
|
|
let scrollTop = this._scrollContainer.scrollTop;
|
|
|
|
if (this.scrollOffsetTopSelector) {
|
|
let topElement = document.querySelector(this.scrollOffsetTopSelector);
|
|
offsetTop = topElement ? topElement.offsetHeight : 0;
|
|
}
|
|
|
|
if (this.scrollOffsetBottomSelector) {
|
|
let bottomElement = document.querySelector(this.scrollOffsetBottomSelector);
|
|
offsetBottom = bottomElement ? bottomElement.offsetHeight : 0;
|
|
}
|
|
|
|
// for empty paragraphs the window selection range will be 0,0,0,0
|
|
// so grab the element's bounding rect instead
|
|
if (cursorTop === 0 && cursorHeight === 0) {
|
|
if (!element) {
|
|
return;
|
|
}
|
|
|
|
({top: cursorTop, height: cursorHeight} = element.getBoundingClientRect());
|
|
}
|
|
|
|
// keep cursor in view at the top
|
|
if (cursorTop < 0 + offsetTop) {
|
|
this._scrollContainer.scrollTop = scrollTop - offsetTop + cursorTop - 20;
|
|
return;
|
|
}
|
|
|
|
let cursorBottom = cursorTop + cursorHeight;
|
|
let paddingBottom = 0;
|
|
let distanceFromViewportBottom = cursorBottom - viewportHeight;
|
|
let atBottom = false;
|
|
|
|
// if we're at the bottom of the doc we should keep the bottom
|
|
// padding in view, otherwise just scroll to keep the cursor in view
|
|
if (this._scrollContainer.scrollTop + this._scrollContainer.offsetHeight + 200 >= this._scrollContainer.scrollHeight) {
|
|
atBottom = true;
|
|
paddingBottom = parseFloat(getComputedStyle(this.element.parentNode).getPropertyValue('padding-bottom'));
|
|
}
|
|
|
|
if (cursorBottom > viewportHeight - offsetBottom - paddingBottom) {
|
|
if (atBottom) {
|
|
this._scrollContainer.scrollTop = this._scrollContainer.scrollHeight;
|
|
} else {
|
|
this._scrollContainer.scrollTop = scrollTop + offsetBottom + distanceFromViewportBottom + 20;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
// store a reference to the editor for the acceptance test helpers
|
|
_setExpandoProperty(editor) {
|
|
let config = getOwner(this).resolveRegistration('config:environment');
|
|
if (this.element && config.environment === 'test') {
|
|
this.element[TESTING_EXPANDO_PROPERTY] = editor;
|
|
}
|
|
}
|
|
});
|