Improve animations

2017-03-01 20:34:08 +01:00
parent 5f20c00bec
commit 6d4f1d0c09
5 changed files with 315 additions and 42 deletions
--- a/js/components/Item.js
+++ b/js/components/Item.js
@@ -2,7 +2,7 @@ import React from 'react';
 import classNames from 'classnames';
 import Link from './Link';

-export default function Item({ item, noLeadingBorder = false, active = false}) {
+export default function Item({ item, noLeadingBorder = false, active = false, style = {}}) {
  return (
    <Link
      className={classNames('item', {
@@ -10,6 +10,7 @@ export default function Item({ item, noLeadingBorder = false, active = false}) {
        'is-active': active,
      })}
      pageName={`${item.quadrant}/${item.name}`}
+      style={style}
    >
      <div className="item__title">{item.title}</div>
      {
--- a/js/components/ItemList.js
+++ b/js/components/ItemList.js
@@ -1,20 +1,21 @@
 import React from 'react';
 import Item from './Item';

-export default function ItemList({ children, items, activeItem, noLeadingBorder }) {
+export default function ItemList({ children, items, activeItem, noLeadingBorder, headerStyle = {}, itemStyle = [] }) {
  return (
    <div className="item-list">
-      <div className="item-list__header">
+      <div className="item-list__header" style={headerStyle}>
        {children}
      </div>
      <div className="item-list__list">
        {
-          items.map(item => (
+          items.map((item, i) => (
            <Item
              key={item.name}
              item={item}
              noLeadingBorder={noLeadingBorder}
              active={typeof activeItem === 'object' && activeItem !== null && activeItem.name === item.name}
+              style={itemStyle[i]}
            />
          ))
        }
--- a/js/components/Link.js
+++ b/js/components/Link.js
@@ -2,14 +2,14 @@ import React from 'react';
 import { connect } from 'react-redux';
 import actions from '../actions';

-function Link({ pageName, children, navigate, className}) {
+function Link({ pageName, children, navigate, className, style = {}}) {
  const handleClick = (e) => {
    e.preventDefault();
    navigate(pageName);
  };

  return (
-    <a href={`/${pageName}.html`} onClick={handleClick} {...{ className }}>
+    <a href={`/${pageName}.html`} onClick={handleClick} style={style} {...{ className }}>
      {children}
    </a>
  );
--- a/js/components/PageItem.js
+++ b/js/components/PageItem.js
@@ -4,52 +4,189 @@ import Badge from './Badge';
 import ItemList from './ItemList';
 import Link from './Link';
 import Fadeable from './Fadeable';
+import { createAnimation, createAnimationRunner } from '../animation';

 import { groupByQuadrants } from '../../common/model';

-export default function PageItems({ leaving, onLeave, pageName, items }) {
-  const [quadrantName, itemName] = pageName.split('/');
-  const item = items.filter(item => item.quadrant === quadrantName && item.name === itemName)[0];
-  const itemsInRing = groupByQuadrants(items)[item.quadrant][item.ring];
+const items = [1, 2]; // TODO use real items

-  return (
-    <Fadeable leaving={leaving} onLeave={onLeave}>
-      <div className="item-page">
-        <div className="item-page__nav">
-          <div className="item-page__nav__inner">
-            <div className="item-page__header">
-              <h3 className="headline">Languages &amp; Frameworks</h3>
-            </div>
-            <ItemList items={itemsInRing} activeItem={item}>
-              <div className="split">
-                <div className="split__left">
-                  <Badge big type={item.ring}>{item.ring}</Badge>
-                </div>
-                <div className="split__right">
-                  <Link className="icon-link" pageName={item.quadrant}>
-                    <span className="icon icon--pie icon-link__icon"></span>Quadrant Overview
-                  </Link>
-                </div>
+const animationsIn = {
+  background: createAnimation({
+      transform: 'translateX(calc((100vw - 1200px) / 2 + 800px))',
+      transition: 'transform 450ms cubic-bezier(0.24, 1.12, 0.71, 0.98)',
+    }, {
+      transition: 'transform 450ms cubic-bezier(0.24, 1.12, 0.71, 0.98)',
+      transform: 'translateX(0)',
+    },
+    0
+  ),
+  navHeader: createAnimation({
+      transform: 'translateX(-40px)',
+      opacity: '0',
+    }, {
+      transition: 'opacity 150ms ease-out, transform 300ms ease-out',
+      transform: 'translateX(0px)',
+      opacity: '1',
+    },
+    300
+  ),
+  text: createAnimation({
+      transform: 'translateY(-20px)',
+      opacity: '0',
+    }, {
+      transition: 'opacity 150ms ease-out, transform 300ms ease-out',
+      transform: 'translateY(0px)',
+      opacity: '1',
+    },
+    600
+  ),
+  items: items.map((item, i) => (createAnimation({
+      transform: 'translateX(-40px)',
+      opacity: '0',
+    }, {
+      transition: 'opacity 150ms ease-out, transform 300ms ease-out',
+      transform: 'translateX(0px)',
+      opacity: '1',
+    },
+    400 + 100 * i
+  )))
+};
+
+const animationsOut = {
+  background: createAnimation(
+    animationsIn.background.stateB,
+    animationsIn.background.stateA,
+    0
+  ),
+  navHeader: createAnimation(
+    animationsIn.navHeader.stateB,
+    {
+      transition: 'opacity 150ms ease-out, transform 300ms ease-out',
+      transform: 'translateX(40px)',
+      opacity: '0',
+    },
+    0
+  ),
+  text: createAnimation(
+    animationsIn.text.stateB,
+    {
+      transform: 'translateY(20px)',
+      transition: 'opacity 150ms ease-out, transform 300ms ease-out',
+      opacity: '0',
+    },
+    0
+  ),
+  items: items.map((item, i) => (createAnimation(
+    animationsIn.items[i].stateB,
+    {
+      transition: 'opacity 150ms ease-out, transform 300ms ease-out',
+      transform: 'translateX(40px)',
+      opacity: '0',
+    },
+    100 + 100 * i
+  )))
+};
+
+const setAnimations = (state, animations) => ({
+  ...state,
+  animations,
+});
+
+class PageItem extends React.Component {
+  constructor(props) {
+    super(props);
+
+    if (props.leaving) { // entering from an other page
+      this.state = setAnimations({}, createAnimationRunner(animationsIn).getState());
+    } else { // Hard refresh
+      this.state = {};
+    }
+  }
+
+  componentWillReceiveProps({ leaving }) {
+    if (!this.props.leaving && leaving) { // page will be left
+      this.animationRunner = createAnimationRunner(animationsOut, this.handleAnimationsUpdate);
+      this.animationRunner.run();
+      this.animationRunner.awaitAnimationComplete(this.props.onLeave);
+    }
+    if (this.props.leaving && !leaving) { // page is entered
+      this.animationRunner = createAnimationRunner(animationsIn, this.handleAnimationsUpdate);
+      this.animationRunner.run();
+    }
+  }
+
+  handleTransitionEnd = () => {
+    if (this.state.faded) {
+      this.props.onLeave();
+    }
+  };
+
+  handleAnimationsUpdate = () => {
+    this.setState(setAnimations(this.state, this.animationRunner.getState()));
+  };
+
+  getAnimationState = (name) => {
+    if (!this.state.animations) {
+      return undefined;
+    }
+    return this.state.animations[name];
+  };
+
+  render() {
+    const { leaving, onLeave, pageName, items } = this.props;
+    const [quadrantName, itemName] = pageName.split('/');
+    const item = items.filter(item => item.quadrant === quadrantName && item.name === itemName)[0];
+    const itemsInRing = groupByQuadrants(items)[item.quadrant][item.ring];
+
+    // console.log(this.getAnimationState('items'));
+
+    return (
+      <div>
+        <div className="item-page">
+          <div className="item-page__nav">
+            <div className="item-page__nav__inner">
+              <div className="item-page__header" style={this.getAnimationState('navHeader')}>
+                <h3 className="headline">Languages &amp; Frameworks</h3>
              </div>
-            </ItemList>
+
+              <ItemList
+                items={itemsInRing}
+                activeItem={item}
+                headerStyle={this.getAnimationState('navHeader')}
+                itemStyle={this.getAnimationState('items')}
+              >
+                <div className="split">
+                  <div className="split__left">
+                    <Badge big type={item.ring}>{item.ring}</Badge>
+                  </div>
+                  <div className="split__right">
+                    <Link className="icon-link" pageName={item.quadrant}>
+                      <span className="icon icon--pie icon-link__icon"></span>Quadrant Overview
+                    </Link>
+                  </div>
+                </div>
+              </ItemList>
+            </div>
          </div>
-        </div>
-        <div className="item-page__content">
-          <div className="item-page__content__inner">
-            <div className="item-page__header">
-              <div className="split">
-                <div className="split__left">
-                  <h1 className="hero-headline hero-headline--inverse">{item.title}</h1>
-                </div>
-                <div className="split__right">
-                  <Badge big type={item.ring}>{item.ring}</Badge>
+          <div className="item-page__content" style={this.getAnimationState('background')}>
+            <div className="item-page__content__inner" style={this.getAnimationState('text')}>
+              <div className="item-page__header">
+                <div className="split">
+                  <div className="split__left">
+                    <h1 className="hero-headline hero-headline--inverse">{item.title}</h1>
+                  </div>
+                  <div className="split__right">
+                    <Badge big type={item.ring}>{item.ring}</Badge>
+                  </div>
                </div>
              </div>
+              <div className="markdown" dangerouslySetInnerHTML={{__html: item.body}} />
            </div>
-            <div className="markdown" dangerouslySetInnerHTML={{__html: item.body}} />
          </div>
        </div>
      </div>
-    </Fadeable>
-  );
+    );
+  }
 }
+
+export default PageItem;