Merge pull request #85 from react-component/feat-vertical

feat: vertical slider

HISTORY.md

@@ -1,6 +1,11 @@
 # History
 ----
 
+## 3.6.0 / 2016-04-01
+
+[#18](https://github.com/react-component/slider/issues/18) add `vertical` props ([@wnlee](https://github.com/WNLee))
+
+...
 
 ## 1.2.5 / 2015-07-13
 

README.md

@@ -90,9 +90,9 @@ ReactDOM.render(<Rcslider />, container);
         </tr>
         <tr>
           <td>marks</td>
-          <td>object {number: string}</td>
+          <td>object{number: string} or object{number: object{ style, label }}</td>
           <td>{}</td>
-          <td>Mark on the slider. The key determines the position, and the value determines what will show.</td>
+          <td>Mark on the slider. The key determines the position, and the value determines what will show. If you want to set the style of a specific mark point, the value should be an object which contains `style` and `label` properties.</td>
         </tr>
         <tr>
           <td>step</td>
@@ -112,6 +112,12 @@ ReactDOM.render(<Rcslider />, container);
           <td>true</td>
           <td>When `range` is `true`, `allowCross` could be set as `true` to allow those two handles cross.</td>
         </tr>
+        <tr>
+          <td>vertical</td>
+          <td>boolean</td>
+          <td>false</td>
+          <td>If vertical is `true`, the slider will be vertical.</td>
+        </tr>
         <tr>
           <td>defaultValue</td>
           <td>number or [number, number]</td>

assets/index.less

@@ -94,7 +94,7 @@
 
   &-dot {
     position: absolute;
-    top: -2px;
+    bottom: -2px;
     margin-left: -4px;
     width: 8px;
     height: 8px;
@@ -133,6 +133,45 @@
   }
 }
 
+.@{prefixClass}-vertical {
+  width: 4px;
+  height: 100%;
+  .@{prefixClass} {
+    &-track {
+      bottom: 0;
+      width: 4px;
+    }
+
+    &-handle {
+      position: absolute;
+      margin-left: -5px;
+      margin-bottom: -7px;
+    }
+
+    &-mark {
+      top: 0;
+      left: 10px;
+      height: 100%;
+    }
+
+    &-step {
+      height: 100%;
+      width: 4px;
+    }
+
+    &-dot {
+      left: 2px;
+      margin-bottom: -4px;
+      &:first-child {
+        margin-bottom: -4px;
+      }
+      &:last-child {
+        margin-bottom: -4px;
+      }
+    }
+  }
+}
+
 .motion-common() {
   animation-duration: .3s;
   animation-fill-mode: both;

examples/marks.js

@@ -7,11 +7,16 @@ const Slider = require('rc-slider');
 const style = {width: 400, margin: 50};
 const marks = {
   '-10': '-10°C',
-  0: '0°C',
+  0: <strong>0°C</strong>,
   26: '26°C',
   37: '37°C',
   50: '50°C',
-  100: '100°C',
+  100: {
+    style: {
+      color: 'red',
+    },
+    label: <strong>100°C</strong>,
+  },
 };
 
 function log(value) {

examples/range.js

@@ -14,17 +14,41 @@ function log(value) {
 const CustomizedRange = React.createClass({
   getInitialState: function() {
     return {
+      lowerBound: 20,
+      upperBound: 40,
       value: [20, 40],
     };
   },
+  onLowerBoundChange: function(e) {
+    this.setState({ lowerBound: +e.target.value });
+  },
+  onUpperBoundChange: function(e) {
+    this.setState({ upperBound: +e.target.value });
+  },
   onSliderChange: function(value) {
     log(value);
     this.setState({
       value: value,
     });
   },
+  handleApply: function() {
+    const { lowerBound, upperBound } = this.state;
+    this.setState({ value: [lowerBound, upperBound]});
+  },
   render: function() {
-    return <Slider range value={this.state.value} onChange={this.onSliderChange} />;
+    return (
+      <div>
+        <label>LowerBound: </label>
+        <input type="number" value={this.state.lowerBound} onChange={this.onLowerBoundChange} />
+        <br />
+        <label>UpperBound: </label>
+        <input type="number" value={this.state.upperBound} onChange={this.onUpperBoundChange} />
+        <br />
+        <button onClick={this.handleApply}>Apply</button>
+        <br /><br />
+        <Slider range allowCross={false} value={this.state.value} onChange={this.onSliderChange} />
+      </div>
+    );
   },
 });
 

examples/v-marks.html

@@ -0,0 +1 @@
+placeholder

examples/v-marks.js

@@ -0,0 +1,55 @@
+require('rc-slider/assets/index.less');
+
+const React = require('react');
+const ReactDOM = require('react-dom');
+const Slider = require('rc-slider');
+
+const style = {float: 'left', width: 160, height: 400, marginBottom: 160, marginLeft: 50};
+const parentStyle = {overflow: 'hidden'};
+
+const marks = {
+  '-10': '-10°C',
+  0: <strong>0°C</strong>,
+  26: '26°C',
+  37: '37°C',
+  50: '50°C',
+  100: {
+    style: {
+      color: 'red',
+    },
+    label: <strong>100°C</strong>,
+  },
+};
+
+function log(value) {
+  console.log(value);
+}
+
+ReactDOM.render(
+  <div style={parentStyle}>
+    <div style={style}>
+      <p>Slider with marks, `step=null`</p>
+      <Slider vertical min={-10} marks={marks} step={null} onChange={log} defaultValue={20} />
+    </div>
+    <div style={style}>
+       <p>Slider with marks and steps</p>
+      <Slider vertical dots min={-10} marks={marks} step={10} onChange={log} defaultValue={20} />
+    </div>
+    <div style={style}>
+      <p>Slider with marks, `included=false`</p>
+      <Slider vertical min={-10} marks={marks} included={false} defaultValue={20} />
+    </div>
+    <div style={style}>
+      <p>Slider with marks and steps, `included=false`</p>
+      <Slider vertical min={-10} marks={marks} step={10} included={false} defaultValue={20} />
+    </div>
+    <div style={style}>
+      <p>Range with marks</p>
+      <Slider vertical min={-10} range marks={marks} onChange={log} defaultValue={[20, 40]} />
+    </div>
+    <div style={style}>
+      <p>Range with marks and steps</p>
+      <Slider vertical min={-10} range marks={marks} step={10} onChange={log} defaultValue={[20, 40]} />
+    </div>
+  </div>
+  , document.getElementById('__react-content'));

examples/v-range.js

@@ -0,0 +1,116 @@
+/* eslint react/no-multi-comp: 0 */
+require('rc-slider/assets/index.less');
+
+const React = require('react');
+const ReactDOM = require('react-dom');
+const Slider = require('rc-slider');
+
+const style = {float: 'left', width: 180, height: 400, marginBottom: 160, marginLeft: 50};
+const parentStyle = {overflow: 'hidden'};
+
+function log(value) {
+  console.log(value);
+}
+
+const CustomizedRange = React.createClass({
+  getInitialState: function() {
+    return {
+      lowerBound: 20,
+      upperBound: 40,
+      value: [20, 40],
+    };
+  },
+  onLowerBoundChange: function(e) {
+    this.setState({ lowerBound: +e.target.value });
+  },
+  onUpperBoundChange: function(e) {
+    this.setState({ upperBound: +e.target.value });
+  },
+  onSliderChange: function(value) {
+    log(value);
+    this.setState({
+      value: value,
+    });
+  },
+  handleApply: function() {
+    const { lowerBound, upperBound } = this.state;
+    this.setState({ value: [lowerBound, upperBound]});
+  },
+  render: function() {
+    return (
+      <div style={style}>
+        <Slider range vertical allowCross={false} value={this.state.value} onChange={this.onSliderChange} />
+        <label>LowerBound: </label>
+        <input type="number" value={this.state.lowerBound} onChange={this.onLowerBoundChange} />
+        <br />
+        <label>UpperBound: </label>
+        <input type="number" value={this.state.upperBound} onChange={this.onUpperBoundChange} />
+        <br />
+        <button onClick={this.handleApply}>Apply</button>
+      </div>
+    );
+  },
+});
+
+const DynamicBounds = React.createClass({
+  getInitialState() {
+    return {
+      min: 0,
+      max: 100,
+    };
+  },
+  onSliderChange: function(value) {
+    log(value);
+  },
+  onMinChange: function(e) {
+    this.setState({
+      min: +e.target.value || 0,
+    });
+  },
+  onMaxChange: function(e) {
+    this.setState({
+      max: +e.target.value || 100,
+    });
+  },
+  render: function() {
+    return (
+      <div style={style}>
+        <Slider range vertical defaultValue={[20, 50]} min={this.state.min} max={this.state.max} onChange={this.onSliderChange} />
+        <label>Min: </label>
+        <input type="number" value={this.state.min} onChange={this.onMinChange} />
+        <br />
+        <label>Max: </label>
+        <input type="number" value={this.state.max} onChange={this.onMaxChange} />
+      </div>
+    );
+  },
+});
+
+ReactDOM.render(
+  <div style={parentStyle}>
+    <div style={style}>
+      <p>Basic Range，`allowCross=false`</p>
+      <Slider range vertical allowCross={false} defaultValue={[0, 20]} onChange={log} />
+    </div>
+    <div style={style}>
+      <p>Basic Range，`step=20` </p>
+      <Slider range vertical step={20} defaultValue={[20, 40]} onBeforeChange={log} />
+    </div>
+    <div style={style}>
+      <p>Basic Range，`step=20, dots` </p>
+      <Slider range vertical dots step={20} defaultValue={[20, 40]} onAfterChange={log} />
+    </div>
+    <div style={style}>
+      <p>Controlled Range</p>
+      <Slider range vertical value={[20, 40]} />
+    </div>
+    <div style={style}>
+      <p>Customized Range</p>
+      <CustomizedRange />
+    </div>
+    <div style={style}>
+      <p>Range with dynamic `max` `min`</p>
+      <DynamicBounds />
+    </div>
+  </div>
+  , document.getElementById('__react-content'));

examples/v-slider.html

@@ -0,0 +1 @@
+placeholder

examples/v-slider.js

@@ -0,0 +1,106 @@
+/* eslint react/no-multi-comp: 0 */
+require('rc-slider/assets/index.less');
+
+const React = require('react');
+const ReactDOM = require('react-dom');
+const Slider = require('rc-slider');
+
+const style = {float: 'left', width: 200, height: 400, marginBottom: 160, marginLeft: 50};
+const parentStyle = {overflow: 'hidden'};
+
+function log(value) {
+  console.log(value);
+}
+
+
+function percentFormatter(v) {
+  return v + ' %';
+}
+
+const CustomizedSlider = React.createClass({
+  getInitialState: function() {
+    return {
+      value: 50,
+    };
+  },
+  onSliderChange: function(value) {
+    log(value);
+    this.setState({
+      value: value,
+    });
+  },
+  render: function() {
+    return <Slider vertical value={this.state.value} onChange={this.onSliderChange} />;
+  },
+});
+
+const DynamicBounds = React.createClass({
+  getInitialState: function() {
+    return {
+      min: 0,
+      max: 100,
+    };
+  },
+  onSliderChange: function(value) {
+    log(value);
+  },
+  onMinChange: function(e) {
+    this.setState({
+      min: +e.target.value || 0,
+    });
+  },
+  onMaxChange: function(e) {
+    this.setState({
+      max: +e.target.value || 100,
+    });
+  },
+  render: function() {
+    return (
+      <div style={style}>
+        <p>Slider with dynamic `min` `max`</p>
+        <Slider vertical defaultValue={50} min={this.state.min} max={this.state.max} onChange={this.onSliderChange} />
+        <label>Min: </label>
+        <input type="number" value={this.state.min} onChange={this.onMinChange} />
+        <br />
+        <label>Max: </label>
+        <input type="number" value={this.state.max} onChange={this.onMaxChange} />
+      </div>
+    );
+  },
+});
+
+ReactDOM.render(
+  <div style={parentStyle}>
+    <div style={style}>
+      <p>Basic Slider</p>
+      <Slider vertical tipTransitionName="rc-slider-tooltip-zoom-down" onChange={log} />
+    </div>
+    <div style={style}>
+      <p>Basic Slider，`step=20`</p>
+      <Slider vertical step={20} defaultValue={50} onBeforeChange={log} />
+    </div>
+    <div style={style}>
+      <p>Basic Slider，`step=20, dots`</p>
+      <Slider vertical dots step={20} defaultValue={100} onAfterChange={log} />
+    </div>
+    <div style={style}>
+      <p>Basic Slider with `tipFormatter`</p>
+      <Slider vertical tipFormatter={percentFormatter} tipTransitionName="rc-slider-tooltip-zoom-down" onChange={log} />
+    </div>
+    <div style={style}>
+      <p>Basic Slider without tooltip</p>
+      <Slider vertical tipFormatter={null} onChange={log} />
+    </div>
+    <div style={style}>
+      <p>Controlled Slider</p>
+      <Slider vertical value={50} />
+    </div>
+    <div style={style}>
+      <p>Customized Slider</p>
+      <CustomizedSlider />
+    </div>
+    <div>
+      <DynamicBounds />
+    </div>
+  </div>
+  , document.getElementById('__react-content'));

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rc-slider",
-  "version": "3.3.1",
+  "version": "3.6.0",
   "description": "slider ui component for react",
   "keywords": [
     "react",
@@ -51,7 +51,6 @@
   ],
   "dependencies": {
     "classnames": "^2.2.1",
-    "object-assign": "^4.0.1",
     "rc-tooltip": "3.x",
     "rc-util": "3.x"
   }

src/Handle.jsx

@@ -24,10 +24,10 @@ export default class Handle extends React.Component {
 
   render() {
     const props = this.props;
-    const {className, tipTransitionName, tipFormatter, offset, value} = props;
+    const {className, tipTransitionName, tipFormatter, vertical, offset, value} = props;
     const {dragging, noTip} = props;
 
-    const style = { left: offset + '%' };
+    const style = vertical ? { bottom: offset + '%' } : { left: offset + '%' };
     const handle = (<div className={className} style={style}
                       onMouseUp={this.showTooltip.bind(this)}
                       onMouseEnter={this.showTooltip.bind(this)}
@@ -52,6 +52,7 @@ export default class Handle extends React.Component {
 
 Handle.propTypes = {
   className: React.PropTypes.string,
+  vertical: React.PropTypes.bool,
   offset: React.PropTypes.number,
   tipTransitionName: React.PropTypes.string,
   tipFormatter: React.PropTypes.func,

src/Marks.jsx

@@ -1,14 +1,14 @@
 import React from 'react';
 import classNames from 'classnames';
 
-const Marks = ({className, marks, included, upperBound, lowerBound, max, min}) => {
+const Marks = ({className, vertical, marks, included, upperBound, lowerBound, max, min}) => {
   const marksKeys = Object.keys(marks);
   const marksCount = marksKeys.length;
   const unit = 100 / (marksCount - 1);
   const markWidth = unit * 0.9;
 
   const range = max - min;
-  const elements = marksKeys.map(parseFloat).map((point) => {
+  const elements = marksKeys.map(parseFloat).sort((a, b) => a - b).map((point) => {
     const isActived = (!included && point === upperBound) ||
             (included && point <= upperBound && point >= lowerBound);
     const markClassName = classNames({
@@ -16,11 +16,28 @@ const Marks = ({className, marks, included, upperBound, lowerBound, max, min}) =
       [className + '-text-active']: isActived,
     });
 
-    const style = { width: markWidth + '%' };
+    const bottomStyle = {
-    style.left = (point - min) / range * 100 - markWidth / 2 + '%';
+      // height: markWidth + '%',
+      marginBottom: '-200' + '%',
+      bottom: (point - min) / range * 100 + '%',
+    };
 
-    return (<span className={markClassName} style={style} key={point}>
+    const leftStyle = {
-             {marks[point]}
+      width: markWidth + '%',
+      marginLeft: -markWidth / 2 + '%',
+      left: (point - min) / range * 100 + '%',
+    };
+
+    const style = vertical ? bottomStyle : leftStyle;
+
+    const markPoint = marks[point];
+    const markPointIsObject = typeof markPoint === 'object' &&
+            !React.isValidElement(markPoint);
+    const markLabel = markPointIsObject ? markPoint.label : markPoint;
+    const markStyle = markPointIsObject ?
+            { ...style, ...markPoint.style } : style;
+    return (<span className={markClassName} style={markStyle} key={point}>
+             {markLabel}
             </span>);
   });
 

src/Slider.jsx

@@ -1,10 +1,9 @@
 import React from 'react';
 import {Dom as DomUtils} from 'rc-util';
 import classNames from 'classnames';
-import objectAssign from 'object-assign';
 import Track from './Track';
 import Handle from './Handle';
-import Dots from './Dots';
+import Steps from './Steps';
 import Marks from './Marks';
 
 function noop() {
@@ -14,12 +13,12 @@ function isNotTouchEvent(e) {
   return e.touches.length > 1 || (e.type.toLowerCase() === 'touchend' && e.touches.length > 0);
 }
 
-function getTouchPosition(e) {
+function getTouchPosition(vertical, e) {
-  return e.touches[0].pageX;
+  return vertical ? e.touches[0].clientY : e.touches[0].pageX;
 }
 
-function getMousePosition(e) {
+function getMousePosition(vertical, e) {
-  return e.pageX;
+  return vertical ? e.clientY : e.pageX;
 }
 
 function pauseEvent(e) {
@@ -34,7 +33,7 @@ class Slider extends React.Component {
     const {range, min, max} = props;
     const initialValue = range ? [min, min] : min;
     const defaultValue = ('defaultValue' in props ? props.defaultValue : initialValue);
-    const value = ('value' in props ? props.value : defaultValue);
+    const value = (props.value !== undefined ? props.value : defaultValue);
 
     let upperBound;
     let lowerBound;
@@ -81,11 +80,11 @@ class Slider extends React.Component {
         lowerBound: nextLowerBound,
       });
       if (this.isValueOutOfBounds(upperBound, nextProps) ||
-          this.isValueOutOfBounds(lowerBound, nextProps)) {
+        this.isValueOutOfBounds(lowerBound, nextProps)) {
         this.props.onChange([nextLowerBound, nextUpperBound]);
       }
     } else {
-      const value = 'value' in nextProps ? nextProps.value : upperBound;
+      const value = nextProps.value !== undefined ? nextProps.value : upperBound;
       const nextValue = this.trimAlignValue(value, nextProps);
       if (nextValue === upperBound && lowerBound === nextProps.min) return;
 
@@ -108,13 +107,13 @@ class Slider extends React.Component {
       this.setState({handle: state.handle});
     }
 
-    const data = objectAssign({}, this.state, state);
+    const data = {...this.state, ...state};
     const changedValue = props.range ? [data.lowerBound, data.upperBound] : data.upperBound;
     props.onChange(changedValue);
   }
 
   onMouseMove(e) {
-    const position = getMousePosition(e);
+    const position = getMousePosition(this.props.vertical, e);
     this.onMove(e, position);
   }
 
@@ -124,7 +123,7 @@ class Slider extends React.Component {
       return;
     }
 
-    const position = getTouchPosition(e);
+    const position = getTouchPosition(this.props.vertical, e);
     this.onMove(e, position);
   }
 
@@ -133,7 +132,8 @@ class Slider extends React.Component {
     const props = this.props;
     const state = this.state;
 
-    const diffPosition = position - this.startPosition;
+    let diffPosition = position - this.startPosition;
+    diffPosition = this.props.vertical ? -diffPosition : diffPosition;
     const diffValue = diffPosition / this.getSliderLength() * (props.max - props.min);
 
     const value = this.trimAlignValue(this.startValue + diffValue);
@@ -165,14 +165,14 @@ class Slider extends React.Component {
   onTouchStart(e) {
     if (isNotTouchEvent(e)) return;
 
-    const position = getTouchPosition(e);
+    const position = getTouchPosition(this.props.vertical, e);
     this.onStart(position);
     this.addDocumentEvents('touch');
     pauseEvent(e);
   }
 
   onMouseDown(e) {
-    const position = getMousePosition(e);
+    const position = getMousePosition(this.props.vertical, e);
     this.onStart(position);
     this.addDocumentEvents('mouse');
     pauseEvent(e);
@@ -230,14 +230,14 @@ class Slider extends React.Component {
       return 0;
     }
 
-    return slider.clientWidth;
+    return this.props.vertical ? slider.clientHeight : slider.clientWidth;
   }
 
   getSliderStart() {
     const slider = this.refs.slider;
     const rect = slider.getBoundingClientRect();
 
-    return rect.left;
+    return this.props.vertical ? rect.top : rect.left;
   }
 
   getPrecision() {
@@ -257,7 +257,7 @@ class Slider extends React.Component {
   trimAlignValue(v, nextProps) {
     const state = this.state || {};
     const {handle, lowerBound, upperBound} = state;
-    const {marks, step, min, max, allowCross} = objectAssign({}, this.props, nextProps || {});
+    const {marks, step, min, max, allowCross} = {...this.props, ...(nextProps || {})};
 
     let val = v;
     if (val <= min) {
@@ -292,9 +292,10 @@ class Slider extends React.Component {
   }
 
   calcValue(offset) {
-    const {min, max} = this.props;
+    const {vertical, min, max} = this.props;
-    const ratio = offset / this.getSliderLength();
+    const ratio = Math.abs(offset / this.getSliderLength());
-    return ratio * (max - min) + min;
+    const value = vertical ? (1 - ratio) * (max - min) + min : ratio * (max - min) + min;
+    return value;
   }
 
   calcValueByPos(position) {
@@ -332,8 +333,8 @@ class Slider extends React.Component {
 
   render() {
     const {handle, upperBound, lowerBound} = this.state;
-    const {className, prefixCls, disabled, dots, included, range, step,
+    const {className, prefixCls, disabled, vertical, dots, included, range, step,
-           marks, max, min, tipTransitionName, tipFormatter, children} = this.props;
+      marks, max, min, tipTransitionName, tipFormatter, children} = this.props;
 
     const upperOffset = this.calcOffset(upperBound);
     const lowerOffset = this.calcOffset(lowerBound);
@@ -343,19 +344,20 @@ class Slider extends React.Component {
 
     const upper = (<Handle className={handleClassName}
                            noTip={isNoTip} tipTransitionName={tipTransitionName} tipFormatter={tipFormatter}
-                           offset={upperOffset} value={upperBound} dragging={handle === 'upperBound'} />);
+                           vertical = {vertical} offset={upperOffset} value={upperBound} dragging={handle === 'upperBound'}/>);
 
     let lower = null;
     if (range) {
       lower = (<Handle className={handleClassName}
                        noTip={isNoTip} tipTransitionName={tipTransitionName} tipFormatter={tipFormatter}
-                       offset={lowerOffset} value={lowerBound} dragging={handle === 'lowerBound'} />);
+                       vertical = {vertical} offset={lowerOffset} value={lowerBound} dragging={handle === 'lowerBound'}/>);
     }
 
     const sliderClassName = classNames({
       [prefixCls]: true,
       [prefixCls + '-disabled']: disabled,
       [className]: !!className,
+      [prefixCls + '-vertical']: this.props.vertical,
     });
     const isIncluded = included || range;
     return (
@@ -364,14 +366,14 @@ class Slider extends React.Component {
            onMouseDown={disabled ? noop : this.onMouseDown.bind(this)}>
         {upper}
         {lower}
-        <Track className={prefixCls + '-track'} included={isIncluded}
+        <Track className={prefixCls + '-track'} vertical = {vertical} included={isIncluded}
                offset={lowerOffset} length={upperOffset - lowerOffset}/>
-        <Dots prefixCls={prefixCls} marks={marks} dots={dots} step={step}
+        <Steps prefixCls={prefixCls} vertical = {vertical} marks={marks} dots={dots} step={step}
               included={isIncluded} lowerBound={lowerBound}
-              upperBound={upperBound} max={max} min={min} />
+              upperBound={upperBound} max={max} min={min}/>
-        <Marks className={prefixCls + '-mark'} marks={marks}
+        <Marks className={prefixCls + '-mark'} vertical = {vertical} marks={marks}
                included={isIncluded} lowerBound={lowerBound}
-               upperBound={upperBound} max={max} min={min} />
+               upperBound={upperBound} max={max} min={min}/>
         {children}
       </div>
     );
@@ -403,6 +405,7 @@ Slider.propTypes = {
   tipFormatter: React.PropTypes.func,
   dots: React.PropTypes.bool,
   range: React.PropTypes.bool,
+  vertical: React.PropTypes.bool,
   allowCross: React.PropTypes.bool,
 };
 
@@ -422,6 +425,7 @@ Slider.defaultProps = {
   disabled: false,
   dots: false,
   range: false,
+  vertical: false,
   allowCross: true,
 };
 

src/Steps.jsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import classNames from 'classnames';
 
-function calcPoints(marks, dots, step, min, max) {
+function calcPoints(vertical, marks, dots, step, min, max) {
   const points = Object.keys(marks).map(parseFloat);
   if (dots) {
     for (let i = min; i <= max; i = i + step) {
@@ -12,11 +12,12 @@ function calcPoints(marks, dots, step, min, max) {
   return points;
 }
 
-const Dots = ({prefixCls, marks, dots, step, included, lowerBound, upperBound, max, min}) => {
+const Steps = ({prefixCls, vertical, marks, dots, step, included,
+                lowerBound, upperBound, max, min}) => {
   const range = max - min;
-  const elements = calcPoints(marks, dots, step, min, max).map((point) => {
+  const elements = calcPoints(vertical, marks, dots, step, min, max).map((point) => {
-    const offset = (point - min) / range * 100 + '%';
+    const offset = Math.abs(point - min) / range * 100 + '%';
-    const style = { left: offset };
+    const style = vertical ? { bottom: offset } : { left: offset };
 
     const isActived = (!included && point === upperBound) ||
             (included && point <= upperBound && point >= lowerBound);
@@ -31,4 +32,4 @@ const Dots = ({prefixCls, marks, dots, step, included, lowerBound, upperBound, m
   return <div className={prefixCls + '-step'}>{elements}</div>;
 };
 
-export default Dots;
+export default Steps;

src/Track.jsx

@@ -1,11 +1,16 @@
 import React from 'react';
 
-const Track = ({className, included, offset, length}) => {
+const Track = ({className, included, vertical, offset, length}) => {
   const style = {
-    left: offset + '%',
-    width: length + '%',
     visibility: included ? 'visible' : 'hidden',
   };
+  if (vertical) {
+    style.bottom = offset + '%';
+    style.height = length + '%';
+  } else {
+    style.left = offset + '%';
+    style.width = length + '%';
+  }
   return <div className={className} style={style} />;
 };
 

tests/index.spec.js

@@ -6,7 +6,7 @@ const Slider = require('..');
 
 require('../assets/index.less');
 
-describe('rc-slider', function() {
+describe('rc-slider', function test() {
   this.timeout(5000);
   const div = document.createElement('div');
   document.body.appendChild(div);
@@ -140,4 +140,9 @@ describe('rc-slider', function() {
     expect(range.state.upperBound).to.be(90);
     ReactDOM.unmountComponentAtNode(div);
   });
+
+  it('should render a vertical slider, when `vertical` is true', () => {
+    const slider = ReactDOM.render(<Slider vertical />, div);
+    expect(ReactTestUtils.scryRenderedDOMComponentsWithClass(slider, 'rc-slider-vertical').length).to.be(1);
+  });
 });