From 87265577f200e0c8b08516de28946ed56e1a43aa Mon Sep 17 00:00:00 2001
From: Javi Velasco <javier.velasco86@gmail.com>
Date: Mon, 5 Oct 2015 09:12:16 +0200
Subject: [PATCH] Add checkbox component

---
 components/checkbox/index.jsx  |  86 +++++++++++++++++++++++
 components/checkbox/style.scss | 124 +++++++++++++++++++++++++++++++++
 components/ripple/style.scss   |  18 ++---
 components/variables.scss      |   7 ++
 package.json                   |   1 -
 spec/components/checkbox.jsx   |  47 +++++++++++++
 6 files changed, 273 insertions(+), 10 deletions(-)
 create mode 100644 components/checkbox/index.jsx
 create mode 100644 components/checkbox/style.scss
 create mode 100644 spec/components/checkbox.jsx

diff --git a/components/checkbox/index.jsx b/components/checkbox/index.jsx
new file mode 100644
index 00000000..e1900b13
--- /dev/null
+++ b/components/checkbox/index.jsx
@@ -0,0 +1,86 @@
+/* global React */
+
+import { addons } from 'react/addons';
+import Ripple from '../ripple';
+import style from './style.scss';
+import events from '../utils/events';
+
+export default React.createClass({
+  mixins: [addons.PureRenderMixin],
+
+  displayName: 'Checkbox',
+
+  propTypes: {
+    checked: React.PropTypes.bool,
+    className: React.PropTypes.string,
+    disabled: React.PropTypes.bool,
+    label: React.PropTypes.string,
+    onBlur: React.PropTypes.func,
+    onChange: React.PropTypes.func,
+    onFocus: React.PropTypes.func
+  },
+
+  getDefaultProps () {
+    return {
+      className: '',
+      disabled: false
+    };
+  },
+
+  getInitialState () {
+    return { checked: this.props.checked };
+  },
+
+  handleChange (event) {
+    this.setState({checked: !this.state.checked});
+    if (this.props.onChange) this.props.onChange(event, this);
+  },
+
+  handleClick (event) {
+    events.pauseEvent(event);
+    if (!this.props.disabled) this.handleChange(event);
+  },
+
+  handleMouseDown (event) {
+    if (!this.props.disabled) this.refs.ripple.start(event);
+  },
+
+  render () {
+    let labelClassName = style[this.props.disabled ? 'disabled' : 'field'];
+    if (this.props.className) labelClassName += ` ${this.props.className}`;
+    let checkboxClassName = style[this.state.checked ? 'checked' : 'check'];
+
+    return (
+      <label react-toolbox='checkbox' className={labelClassName} onClick={this.handleClick}>
+        <input
+          {...this.props}
+          ref='input'
+          type='checkbox'
+          className={style.input}
+          onChange={this.handleChange}
+          checked={this.state.checked}
+        />
+        <span role='checkbox' className={checkboxClassName} onMouseDown={this.handleMouseDown}>
+          <Ripple ref='ripple' role='ripple' className={style.ripple} spread={3} centered />
+        </span>
+        { this.props.label ? <span className={style.text}>{this.props.label}</span> : null }
+      </label>
+    );
+  },
+
+  blur () {
+    this.refs.input.getDOMNode().blur();
+  },
+
+  focus () {
+    this.refs.input.getDOMNode().focus();
+  },
+
+  getValue () {
+    return this.state.checked;
+  },
+
+  setValue (value) {
+    this.setState({checked: value});
+  }
+});
diff --git a/components/checkbox/style.scss b/components/checkbox/style.scss
new file mode 100644
index 00000000..103b2b88
--- /dev/null
+++ b/components/checkbox/style.scss
@@ -0,0 +1,124 @@
+@import "../variables";
+$checkbox-total-height: 1.8 * $unit;
+$checkbox-size: 1.8 * $unit;
+$checkbox-transition-duration: .2s;
+$checkbox-focus-size: $checkbox-size * 2.3;
+$checkbox-color: unquote("rgb(#{$color-primary})") !default;
+$checkbox-text-color: unquote("rgb(#{$color-black})") !default;
+$checkbox-disabled-color: unquote("rgba(#{$color-black}, 0.26)") !default;
+$checkbox-focus-color: unquote("rgba(#{$color-primary}, 0.26)") !default;
+
+.field {
+  position: relative;
+  display: block;
+  height: $checkbox-size;
+  margin-bottom: 1.5 * $unit;
+  white-space: nowrap;
+  vertical-align: middle;
+}
+
+.text {
+  display: inline-block;
+  padding-left: $unit;
+  font-size: 1.4 * $unit;
+  line-height: $checkbox-size;
+  color: $checkbox-text-color;
+  white-space: nowrap;
+  vertical-align: top;
+}
+
+.input {
+  width: 0;
+  height: 0;
+  overflow: hidden;
+  opacity: 0;
+
+  &:focus:not(&:active) + .check:before {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    z-index: $z-index-low;
+    width: $checkbox-focus-size;
+    height: $checkbox-focus-size;
+    margin-top: - $checkbox-focus-size / 2;
+    margin-left: - $checkbox-focus-size / 2;
+    pointer-events: none;
+    content: "";
+    background-color: $checkbox-focus-color;
+    border-radius: 50%;
+  }
+}
+
+.check {
+  position: relative;
+  display: inline-block;
+  width: $checkbox-size;
+  height: $checkbox-size;
+  vertical-align: top;
+  cursor: pointer;
+  border: 2px solid $checkbox-text-color;
+  border-radius: 2px;
+  transition-timing-function: $animation-curve-default;
+  transition-duration: $checkbox-transition-duration;
+  transition-property: background-color;
+}
+
+.checked {
+  @extend .check;
+  background-color: $checkbox-color;
+  border-color: $checkbox-color;
+
+  &:after {
+    position: absolute;
+    top: -.1 * $unit;
+    left: .4 * $unit;
+    width: .7 * $unit;
+    height: 1.2 * $unit;
+    content: "";
+    border-color: #fff;
+    border-style: solid;
+    border-top: 0;
+    border-right-width: 2px;
+    border-bottom-width: 2px;
+    border-left: 0;
+    transform: rotate(45deg);
+    animation: checkmark-expand 140ms ease-out forwards;
+  }
+}
+
+.ripple {
+  background-color: $checkbox-color;
+  opacity: .3;
+  transition-duration: 650ms;
+}
+
+.disabled {
+  color: $checkbox-disabled-color;
+
+  .check {
+    cursor: auto;
+    border-color: $checkbox-disabled-color;
+  }
+
+  .checked {
+    cursor: auto;
+    background-color: $checkbox-disabled-color;
+    border-color: transparent;
+  }
+}
+
+@keyframes checkmark-expand {
+  0% {
+    top: .9 * $unit;
+    left: .6 * $unit;
+    width: 0;
+    height: 0;
+  }
+
+  100% {
+    top: -.1 * $unit;
+    left: .4 * $unit;
+    width: .7 * $unit;
+    height: 1.2 * $unit;
+  }
+}
diff --git a/components/ripple/style.scss b/components/ripple/style.scss
index f7f188c5..86f3d83b 100644
--- a/components/ripple/style.scss
+++ b/components/ripple/style.scss
@@ -1,28 +1,25 @@
 @import "../variables";
-
-//-- Variables
 $ripple-duration: 1.2s;
 $ripple-final-opacity: .3;
 $ripple-size: 15 * $unit;
 
-//-- Mixins
 %ripple {
   position: absolute;
+  pointer-events: none;
   background-color: currentColor;
   border-radius: 50%;
-  transition-timing-function: $animation-curve-linear-out-slow-in;
-  transition-duration: $ripple-duration;
-  transition-property: height, width;
-  transform: translateX(-50%) translateY(-50%);
+  transform: translate3d(-50%, -50%, 0);
+  transform-style: preserve-3d;
+  backface-visibility: hidden;
 }
 
-//-- Local Styles
 .wrapper {
   position: absolute;
   top: 0;
   right: 0;
   bottom: 0;
   left: 0;
+  pointer-events: none;
 }
 
 .normal {
@@ -30,6 +27,9 @@ $ripple-size: 15 * $unit;
   width: 0;
   height: 0;
   opacity: $ripple-final-opacity;
+  transition-timing-function: $animation-curve-linear-out-slow-in;
+  transition-duration: $ripple-duration;
+  transition-property: height, width;
 
   &:not(.active) {
     opacity: 0;
@@ -51,7 +51,7 @@ $ripple-size: 15 * $unit;
   animation-name: ripple;
   animation-duration: $ripple-duration;
   animation-timing-function: $animation-curve-linear-out-slow-in;
-  animation-iteration-count: infinite;
+  animation-iteration-count: 1;
 }
 
 @keyframes ripple {
diff --git a/components/variables.scss b/components/variables.scss
index f29fae44..370487b9 100644
--- a/components/variables.scss
+++ b/components/variables.scss
@@ -30,3 +30,10 @@ $animation-curve-default: $animation-curve-fast-out-slow-in !default;
 
 //-- Input spaces
 $input-margin-bottom: $unit * .8;
+
+//-- Indexes
+$z-index-higher: 200;
+$z-index-high: 100;
+$z-index-normal: 1;
+$z-index-low: -100;
+$z-index-lower: -200;
diff --git a/package.json b/package.json
index 34ef7e77..896ee5e6 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,6 @@
     "normalize.css": "^3.0.3",
     "phantomjs-polyfill": "0.0.1",
     "postcss-loader": "^0.4.3",
-    "react-css-modules": "^3.2.3",
     "react-hot-loader": "^1.3.0",
     "sass-loader": "^2.0.1",
     "sinon": "git://github.com/cjohansen/Sinon.JS#sinon-2.0",
diff --git a/spec/components/checkbox.jsx b/spec/components/checkbox.jsx
new file mode 100644
index 00000000..49487533
--- /dev/null
+++ b/spec/components/checkbox.jsx
@@ -0,0 +1,47 @@
+/* global React */
+
+import Checkbox from '../../components/checkbox';
+
+export default React.createClass({
+  handleChange () {
+    console.log('Changed!');
+  },
+
+  handleFocus () {
+    console.log('Focused');
+  },
+
+  handleBlur () {
+    console.log('Blur');
+  },
+
+  render () {
+    return (
+      <section>
+        <h2>Checkbox</h2>
+        <p style={{marginBottom: '10px'}}>Lorem ipsum...</p>
+        <Checkbox
+          label="Checked checkbox"
+          checked
+          onChange={this.handleChange}
+          onFocus={this.handleFocus}
+          onBlur={this.handleBlur}
+        />
+        <Checkbox
+          label="Not checked biatch"
+          onChange={this.handleChange}
+          onFocus={this.handleFocus}
+          onBlur={this.handleBlur}
+        />
+        <Checkbox
+          label="Disabled checkbox"
+          checked
+          disabled
+          onChange={this.handleChange}
+          onFocus={this.handleFocus}
+          onBlur={this.handleBlur}
+        />
+      </section>
+    );
+  }
+});