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META-INF.dirigible.dev-tools.inline_editor.BezierEditor.js Maven / Gradle / Ivy
// Copyright (c) 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import * as Common from '../common/common.js';
import * as Platform from '../platform/platform.js';
import * as UI from '../ui/ui.js';
import {BezierUI} from './BezierUI.js';
/**
* @unrestricted
*/
export class BezierEditor extends UI.Widget.VBox {
constructor() {
super(true);
this.registerRequiredCSS('inline_editor/bezierEditor.css');
this.contentElement.tabIndex = 0;
this.setDefaultFocusedElement(this.contentElement);
// Preview UI
this._previewElement = this.contentElement.createChild('div', 'bezier-preview-container');
this._previewElement.createChild('div', 'bezier-preview-animation');
this._previewElement.addEventListener('click', this._startPreviewAnimation.bind(this));
this._previewOnion = this.contentElement.createChild('div', 'bezier-preview-onion');
this._previewOnion.addEventListener('click', this._startPreviewAnimation.bind(this));
this._outerContainer = this.contentElement.createChild('div', 'bezier-container');
// Presets UI
this._presetsContainer = this._outerContainer.createChild('div', 'bezier-presets');
this._presetUI = new BezierUI(40, 40, 0, 2, false);
this._presetCategories = [];
for (let i = 0; i < Presets.length; i++) {
this._presetCategories[i] = this._createCategory(Presets[i]);
this._presetsContainer.appendChild(this._presetCategories[i].icon);
}
// Curve UI
this._curveUI = new BezierUI(150, 250, 50, 7, true);
this._curve = this._outerContainer.createSVGChild('svg', 'bezier-curve');
UI.UIUtils.installDragHandle(
this._curve, this._dragStart.bind(this), this._dragMove.bind(this), this._dragEnd.bind(this), 'default');
this._header = this.contentElement.createChild('div', 'bezier-header');
const minus = this._createPresetModifyIcon(this._header, 'bezier-preset-minus', 'M 12 6 L 8 10 L 12 14');
const plus = this._createPresetModifyIcon(this._header, 'bezier-preset-plus', 'M 8 6 L 12 10 L 8 14');
minus.addEventListener('click', this._presetModifyClicked.bind(this, false));
plus.addEventListener('click', this._presetModifyClicked.bind(this, true));
this._label = this._header.createChild('span', 'source-code bezier-display-value');
}
/**
* @param {?UI.Geometry.CubicBezier} bezier
*/
setBezier(bezier) {
if (!bezier) {
return;
}
this._bezier = bezier;
this._updateUI();
}
/**
* @return {!UI.Geometry.CubicBezier}
*/
bezier() {
return this._bezier;
}
/**
* @override
*/
wasShown() {
this._unselectPresets();
// Check if bezier matches a preset
for (const category of this._presetCategories) {
for (let i = 0; i < category.presets.length; i++) {
if (this._bezier.asCSSText() === category.presets[i].value) {
category.presetIndex = i;
this._presetCategorySelected(category);
}
}
}
this._updateUI();
this._startPreviewAnimation();
}
_onchange() {
this._updateUI();
this.dispatchEventToListeners(Events.BezierChanged, this._bezier.asCSSText());
}
_updateUI() {
const labelText = this._selectedCategory ? this._selectedCategory.presets[this._selectedCategory.presetIndex].name :
this._bezier.asCSSText().replace(/\s(-\d\.\d)/g, '$1');
this._label.textContent = Common.UIString.UIString(labelText);
this._curveUI.drawCurve(this._bezier, this._curve);
this._previewOnion.removeChildren();
}
/**
* @param {!Event} event
* @return {boolean}
*/
_dragStart(event) {
this._mouseDownPosition = new UI.Geometry.Point(event.x, event.y);
const ui = this._curveUI;
this._controlPosition = new UI.Geometry.Point(
Platform.NumberUtilities.clamp((event.offsetX - ui.radius) / ui.curveWidth(), 0, 1),
(ui.curveHeight() + ui.marginTop + ui.radius - event.offsetY) / ui.curveHeight());
const firstControlPointIsCloser = this._controlPosition.distanceTo(this._bezier.controlPoints[0]) <
this._controlPosition.distanceTo(this._bezier.controlPoints[1]);
this._selectedPoint = firstControlPointIsCloser ? 0 : 1;
this._bezier.controlPoints[this._selectedPoint] = this._controlPosition;
this._unselectPresets();
this._onchange();
event.consume(true);
return true;
}
/**
* @param {number} mouseX
* @param {number} mouseY
*/
_updateControlPosition(mouseX, mouseY) {
const deltaX = (mouseX - this._mouseDownPosition.x) / this._curveUI.curveWidth();
const deltaY = (mouseY - this._mouseDownPosition.y) / this._curveUI.curveHeight();
const newPosition = new UI.Geometry.Point(
Platform.NumberUtilities.clamp(this._controlPosition.x + deltaX, 0, 1), this._controlPosition.y - deltaY);
this._bezier.controlPoints[this._selectedPoint] = newPosition;
}
/**
* @param {!Event} event
*/
_dragMove(event) {
this._updateControlPosition(event.x, event.y);
this._onchange();
}
/**
* @param {!Event} event
*/
_dragEnd(event) {
this._updateControlPosition(event.x, event.y);
this._onchange();
this._startPreviewAnimation();
}
/**
* @param {!Array<{name: string, value: string}>} presetGroup
* @return {!PresetCategory}
*/
_createCategory(presetGroup) {
const presetElement = createElementWithClass('div', 'bezier-preset-category');
const iconElement = presetElement.createSVGChild('svg', 'bezier-preset monospace');
const category = {presets: presetGroup, presetIndex: 0, icon: presetElement};
this._presetUI.drawCurve(UI.Geometry.CubicBezier.parse(category.presets[0].value), iconElement);
iconElement.addEventListener('click', this._presetCategorySelected.bind(this, category));
return category;
}
/**
* @param {!Element} parentElement
* @param {string} className
* @param {string} drawPath
* @return {!Element}
*/
_createPresetModifyIcon(parentElement, className, drawPath) {
const icon = parentElement.createSVGChild('svg', 'bezier-preset-modify ' + className);
icon.setAttribute('width', 20);
icon.setAttribute('height', 20);
const path = icon.createSVGChild('path');
path.setAttribute('d', drawPath);
return icon;
}
_unselectPresets() {
for (const category of this._presetCategories) {
category.icon.classList.remove('bezier-preset-selected');
}
delete this._selectedCategory;
this._header.classList.remove('bezier-header-active');
}
/**
* @param {!PresetCategory} category
* @param {!Event=} event
*/
_presetCategorySelected(category, event) {
if (this._selectedCategory === category) {
return;
}
this._unselectPresets();
this._header.classList.add('bezier-header-active');
this._selectedCategory = category;
this._selectedCategory.icon.classList.add('bezier-preset-selected');
this.setBezier(UI.Geometry.CubicBezier.parse(category.presets[category.presetIndex].value));
this._onchange();
this._startPreviewAnimation();
if (event) {
event.consume(true);
}
}
/**
* @param {boolean} intensify
* @param {!Event} event
*/
_presetModifyClicked(intensify, event) {
if (!this._selectedCategory) {
return;
}
const length = this._selectedCategory.presets.length;
this._selectedCategory.presetIndex = (this._selectedCategory.presetIndex + (intensify ? 1 : -1) + length) % length;
this.setBezier(
UI.Geometry.CubicBezier.parse(this._selectedCategory.presets[this._selectedCategory.presetIndex].value));
this._onchange();
this._startPreviewAnimation();
}
_startPreviewAnimation() {
if (this._previewAnimation) {
this._previewAnimation.cancel();
}
const animationDuration = 1600;
const numberOnionSlices = 20;
const keyframes = [
{offset: 0, transform: 'translateX(0px)', easing: this._bezier.asCSSText(), opacity: 1},
{offset: 0.9, transform: 'translateX(218px)', opacity: 1},
{offset: 1, transform: 'translateX(218px)', opacity: 0}
];
this._previewAnimation = this._previewElement.animate(keyframes, animationDuration);
this._previewOnion.removeChildren();
for (let i = 0; i <= numberOnionSlices; i++) {
const slice = this._previewOnion.createChild('div', 'bezier-preview-animation');
const player = slice.animate(
[{transform: 'translateX(0px)', easing: this._bezier.asCSSText()}, {transform: 'translateX(218px)'}],
{duration: animationDuration, fill: 'forwards'});
player.pause();
player.currentTime = animationDuration * i / numberOnionSlices;
}
}
}
/** @enum {symbol} */
export const Events = {
BezierChanged: Symbol('BezierChanged')
};
export const Presets = [
[
{name: 'ease-in-out', value: 'ease-in-out'}, {name: 'In Out · Sine', value: 'cubic-bezier(0.45, 0.05, 0.55, 0.95)'},
{name: 'In Out · Quadratic', value: 'cubic-bezier(0.46, 0.03, 0.52, 0.96)'},
{name: 'In Out · Cubic', value: 'cubic-bezier(0.65, 0.05, 0.36, 1)'},
{name: 'Fast Out, Slow In', value: 'cubic-bezier(0.4, 0, 0.2, 1)'},
{name: 'In Out · Back', value: 'cubic-bezier(0.68, -0.55, 0.27, 1.55)'}
],
[
{name: 'Fast Out, Linear In', value: 'cubic-bezier(0.4, 0, 1, 1)'}, {name: 'ease-in', value: 'ease-in'},
{name: 'In · Sine', value: 'cubic-bezier(0.47, 0, 0.75, 0.72)'},
{name: 'In · Quadratic', value: 'cubic-bezier(0.55, 0.09, 0.68, 0.53)'},
{name: 'In · Cubic', value: 'cubic-bezier(0.55, 0.06, 0.68, 0.19)'},
{name: 'In · Back', value: 'cubic-bezier(0.6, -0.28, 0.74, 0.05)'}
],
[
{name: 'ease-out', value: 'ease-out'}, {name: 'Out · Sine', value: 'cubic-bezier(0.39, 0.58, 0.57, 1)'},
{name: 'Out · Quadratic', value: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)'},
{name: 'Out · Cubic', value: 'cubic-bezier(0.22, 0.61, 0.36, 1)'},
{name: 'Linear Out, Slow In', value: 'cubic-bezier(0, 0, 0.2, 1)'},
{name: 'Out · Back', value: 'cubic-bezier(0.18, 0.89, 0.32, 1.28)'}
]
];
/** @typedef {{presets: !Array.<{name: string, value: string}>, icon: !Element, presetIndex: number}} */
export let PresetCategory;
