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Koenig - Slash menu
refs https://github.com/TryGhost/Ghost/issues/9311 - adds `{{koenig-slash-menu}}` component that renders a quick-access card/block menu when typing `/` at the beginning of a new paragraph
This commit is contained in:
Kevin Ansfield
parent
b2e8f2b631
commit
5d4053dec2
@ -235,6 +235,10 @@
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/* Slash shortcut menu ------------------------------------------------------ */
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.koenig-slash-menu {
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position: absolute;
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}
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/* Menu items --------------------------------------------------------------- */
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/* Chrome has a bug with its scrollbars on this element which has been reported here: https://bugs.chromium.org/p/chromium/issues/detail?id=697381 */
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@ -48,7 +48,7 @@ export default Component.extend({
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let editorRange = this.get('editorRange');
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// show the (+) button when the cursor as on a blank P tag
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// show the (+) button when the cursor is on a blank P tag
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if (!this.get('showMenu') && editorRange !== this._lastEditorRange) {
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this._showOrHideButton(editorRange);
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this._hasCursorButton = this.get('showButton');
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@ -0,0 +1,337 @@
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import Component from '@ember/component';
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import layout from '../templates/components/koenig-slash-menu';
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import {computed} from '@ember/object';
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import {copy} from '@ember/object/internals';
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import {htmlSafe} from '@ember/string';
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import {run} from '@ember/runloop';
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import {set} from '@ember/object';
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const ROW_LENGTH = 4;
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const ITEM_MAP = [
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{
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label: 'Markdown',
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icon: 'koenig/markdown',
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matches: ['markdown', 'md'],
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type: 'card',
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replaceArg: 'markdown'
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},
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{
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label: 'Image',
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icon: 'koenig/image',
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matches: ['image', 'img'],
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type: 'card',
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replaceArg: 'image'
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},
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{
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label: 'Embed',
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icon: 'koenig/image',
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matches: ['embed', 'html'],
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type: 'card',
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replaceArg: 'html'
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},
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{
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label: 'Divider',
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icon: 'koenig/divider',
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matches: ['divider', 'horizontal-rule', 'hr'],
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type: 'card',
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replaceArg: 'hr'
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},
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{
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label: 'Bullet list',
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icon: 'koenig/list-bullets',
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matches: ['list-bullet', 'bullet', 'ul'],
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type: 'list',
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replaceArg: 'ul'
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},
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{
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label: 'Number list',
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icon: 'koenig/list-number',
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matches: ['list-number', 'number', 'ol'],
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type: 'list',
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replaceArg: 'ol'
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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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// public attrs
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classNames: 'koenig-slash-menu',
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attributeBindings: ['style'],
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editor: null,
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editorRange: null,
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// public properties
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showMenu: false,
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top: 0,
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icons: null,
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// private properties
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_openRange: null,
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_query: '',
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_onWindowMousedownHandler: null,
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// closure actions
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replaceWithCardSection() {},
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replaceWithListSection() {},
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style: computed('top', function () {
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return htmlSafe(`top: ${this.get('top')}px`);
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}),
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init() {
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this._super(...arguments);
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let editor = this.get('editor');
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// register `/` text input for positioning & showing the menu
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editor.onTextInput({
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name: 'slash_menu',
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text: '/',
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run: run.bind(this, this._showMenu)
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});
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},
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didReceiveAttrs() {
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this._super(...arguments);
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let editorRange = this.get('editorRange');
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// re-position the menu and update the query if necessary when the
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// cursor position changes
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if (editorRange !== this._lastEditorRange) {
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this._handleCursorChange(editorRange);
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}
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this._lastEditorRange = editorRange;
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},
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willDestroyElement() {
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this._super(...arguments);
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window.removeEventListener('mousedown', this._onMousedownHandler);
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},
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actions: {
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itemClicked(item) {
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let range = this._openRange.head.section.toRange();
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if (item.type === 'card') {
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this.replaceWithCardSection(item.replaceArg, range);
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} else if (item.type === 'list') {
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this.replaceWithListSection(item.replaceArg, range);
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}
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this._hideMenu();
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}
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},
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_handleCursorChange(editorRange) {
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// update menu position to match cursor position
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this._positionMenu(editorRange);
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// close the menu if we're on a non-slash section (eg, when / is deleted)
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if (this.get('showMenu') && editorRange.head.section && editorRange.head.section.text.indexOf('/') !== 0) {
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this._hideMenu();
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return;
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}
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// update the query when the menu is open and cursor is in our open range
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if (this.get('showMenu') && editorRange.head.section === this._openRange.head.section) {
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let query = editorRange.head.section.text.substring(
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this._openRange.head.offset,
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editorRange.head.offset
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);
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this._updateQuery(query);
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}
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},
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_updateQuery(query) {
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let matchedItems = ITEM_MAP.filter((item) => {
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// show all items before anything is typed
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if (!query) {
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return true;
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}
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// show icons where there's a match of the begining of one of the
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// "item.matches" strings
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let matches = item.matches.filter(match => match.indexOf(query) === 0);
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return matches.length > 0;
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});
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// we need a copy to avoid modifying the object references
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let items = copy(matchedItems, true);
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if (items.length) {
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set(items[0], 'selected', true);
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}
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this.set('items', items);
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},
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_showMenu() {
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let editorRange = this.get('editorRange');
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let {head: {section}} = editorRange;
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// only show the menu if the slash is on an otherwise empty paragraph
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if (!this.get('showMenu') && editorRange.isCollapsed && section && !section.isListItem && section.text === '/') {
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this.set('showMenu', true);
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// ensure all items are shown before we have a query filter
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this._updateQuery('');
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// store a ref to the range when the menu was triggered so that we
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// can query text after the slash
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this._openRange = this.get('editorRange');
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// set up key handlers for selection & closing
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this._registerKeyboardNavHandlers();
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// watch the window for mousedown events so that we can close the
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// menu when we detect a click outside. This is preferable to
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// watching the range because the range will change and remove the
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// menu before click events on the buttons are registered
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this._onWindowMousedownHandler = run.bind(this, (event) => {
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this._handleWindowMousedown(event);
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});
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window.addEventListener('mousedown', this._onWindowMousedownHandler);
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}
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},
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_hideMenu() {
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if (this.get('showMenu')) {
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this.set('showMenu', false);
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this._unregisterKeyboardNavHandlers();
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window.removeEventListener('mousedown', this._onWindowMousedownHandler);
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}
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},
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_handleWindowMousedown(event) {
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// clicks outside the menu should always close
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if (!event.target.closest(`#${this.elementId}`)) {
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this._hideMenu();
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// clicks on the menu but not on a button should be ignored so that the
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// cursor position isn't lost
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} else if (!event.target.closest('.koenig-cardmenu-card')) {
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event.preventDefault();
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}
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},
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_positionMenu(range) {
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if (!range) {
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return;
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}
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let {head: {section}} = range;
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if (section) {
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let containerRect = this.element.parentNode.getBoundingClientRect();
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let selectedElement = section.renderNode.element;
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let selectedElementRect = selectedElement.getBoundingClientRect();
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let top = selectedElementRect.top + selectedElementRect.height - containerRect.top;
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this.set('top', top);
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}
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},
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_registerKeyboardNavHandlers() {
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// ESC = close menu
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// ARROWS = selection
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let editor = this.get('editor');
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editor.registerKeyCommand({
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str: 'ESC',
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name: 'slash-menu',
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run: run.bind(this, this._hideMenu)
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});
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editor.registerKeyCommand({
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str: 'ENTER',
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name: 'slash-menu',
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run: run.bind(this, this._performAction)
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});
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editor.registerKeyCommand({
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str: 'UP',
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name: 'slash-menu',
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run: run.bind(this, this._moveSelection, 'up')
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});
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editor.registerKeyCommand({
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str: 'DOWN',
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name: 'slash-menu',
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run: run.bind(this, this._moveSelection, 'down')
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});
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editor.registerKeyCommand({
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str: 'LEFT',
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name: 'slash-menu',
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run: run.bind(this, this._moveSelection, 'left')
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});
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editor.registerKeyCommand({
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str: 'RIGHT',
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name: 'slash-menu',
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run: run.bind(this, this._moveSelection, 'right')
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});
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},
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_performAction() {
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let selectedItem = this._getSelectedItem();
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if (selectedItem) {
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this.send('itemClicked', selectedItem);
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}
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},
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_getSelectedItem() {
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let items = this.get('items');
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if (items.length <= 0) {
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return;
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}
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return items.find(item => item.selected);
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},
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_moveSelection(direction) {
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let items = this.get('items');
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let selectedItem = this._getSelectedItem();
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let selectedIndex = items.indexOf(selectedItem);
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let lastIndex = items.length - 1;
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if (lastIndex <= 0) {
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return;
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}
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set(selectedItem, 'selected', false);
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if (direction === 'right') {
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selectedIndex += 1;
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if (selectedIndex > lastIndex) {
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selectedIndex = 0;
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}
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} else if (direction === 'left') {
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selectedIndex -= 1;
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if (selectedIndex < 0) {
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selectedIndex = lastIndex;
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}
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} else if (direction === 'up') {
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selectedIndex -= ROW_LENGTH;
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if (selectedIndex < 0) {
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selectedIndex += ROW_LENGTH;
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}
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} else if (direction === 'down') {
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selectedIndex += ROW_LENGTH;
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if (selectedIndex > lastIndex) {
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selectedIndex -= ROW_LENGTH;
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}
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}
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set(items[selectedIndex], 'selected', true);
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},
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_unregisterKeyboardNavHandlers() {
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let editor = this.get('editor');
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editor.unregisterKeyCommands('slash-menu');
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}
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});
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@ -73,8 +73,16 @@
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replaceWithCardSection=(action "replaceWithCardSection")
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replaceWithListSection=(action "replaceWithListSection")
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}}
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{{!-- slash menu popup --}}
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{{koenig-slash-menu
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editor=editor
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editorRange=selectedRange
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replaceWithCardSection=(action "replaceWithCardSection")
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replaceWithListSection=(action "replaceWithListSection")
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}}
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{{!-- all component cards wormholed into the editor canvas --}}
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{{#each componentCards as |card|}}
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{{!--
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TODO: move to the public {{in-element}} API when it's available
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@ -0,0 +1,10 @@
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{{#if showMenu}}
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<div class="koenig-cardmenu">
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{{#each items as |item|}}
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<div class="koenig-cardmenu-card {{if item.selected "selected"}}" {{action "itemClicked" item on="click"}}>
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<div class="koenig-cardmenu-icon">{{inline-svg item.icon}}</div>
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<div class="koenig-cardmenu-label">{{item.label}}</div>
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</div>
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{{/each}}
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</div>
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{{/if}}
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@ -0,0 +1 @@
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export {default} from 'koenig-editor/components/koenig-slash-menu';
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@ -0,0 +1,24 @@
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import hbs from 'htmlbars-inline-precompile';
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import {describe, it} from 'mocha';
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import {expect} from 'chai';
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import {setupComponentTest} from 'ember-mocha';
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describe('Integration: Component: koenig-slash-menu', function () {
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setupComponentTest('koenig-slash-menu', {
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integration: true
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});
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it('renders', function () {
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// Set any properties with this.set('myProperty', 'value');
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// Handle any actions with this.on('myAction', function(val) { ... });
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// Template block usage:
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// this.render(hbs`
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// {{#koenig-slash-menu}}
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// template content
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// {{/koenig-slash-menu}}
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// `);
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this.render(hbs`{{koenig-slash-menu}}`);
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expect(this.$()).to.have.length(1);
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});
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});
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Loading…
Reference in New Issue
Block a user