bump 5.1.2

* Adjust handle drag position to account for the difference between handle origin and mouse or touch event origin.

* Add slider dragOffset tests.

HISTORY.md

@@ -1,6 +1,11 @@
 # History
 ----
 
+## 5.0.0 / 2016-09-12
+
+[#147](https://github.com/react-component/slider/issues/147) fix style conflicts with rc-tooltip [@benjycui](https://github.com/benjycui)
+[#145](https://github.com/react-component/slider/pull/145) fix `onChange` will be triggered while mousemove [@Fuzzyma](https://github.com/Fuzzyma)
+
 ## 4.0.0 / 2016-08-12
 
 [#133](https://github.com/react-component/slider/pull/133) support multi-range ([@sosz](https://github.com/sosz))

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rc-slider",
-  "version": "5.1.0",
+  "version": "5.1.2",
   "description": "slider ui component for react",
   "keywords": [
     "react",

src/Slider.jsx

@@ -1,3 +1,4 @@
+import { findDOMNode } from 'react-dom';
 import React, { cloneElement } from 'react';
 import addEventListener from 'rc-util/lib/Dom/addEventListener';
 import classNames from 'classnames';
@@ -22,6 +23,13 @@ function getMousePosition(vertical, e) {
   return vertical ? e.clientY : e.pageX;
 }
 
+function getHandleCenterPosition(vertical, handle) {
+  const coords = handle.getBoundingClientRect();
+  return vertical ?
+    coords.top + (coords.height * 0.5) :
+    coords.left + (coords.width * 0.5);
+}
+
 function pauseEvent(e) {
   e.stopPropagation();
   e.preventDefault();
@@ -45,7 +53,9 @@ class Slider extends React.Component {
       recent = bounds.length - 1;
     }
 
-    if (process.env.NODE_ENV !== 'production' && (max - min) % step !== 0) {
+    if (process.env.NODE_ENV !== 'production' &&
+        step && Math.floor(step) === step &&
+        (max - min) % step !== 0) {
       warning(
         false,
         'Slider[max] - Slider[min] (%s) should be a multiple of Slider[step] (%s)',
@@ -102,7 +112,7 @@ class Slider extends React.Component {
 
   onMouseMove(e) {
     const position = getMousePosition(this.props.vertical, e);
-    this.onMove(e, position);
+    this.onMove(e, position - this.dragOffset);
   }
 
   onTouchMove(e) {
@@ -112,7 +122,7 @@ class Slider extends React.Component {
     }
 
     const position = getTouchPosition(this.props.vertical, e);
-    this.onMove(e, position);
+    this.onMove(e, position - this.dragOffset);
   }
 
   onMove(e, position) {
@@ -147,7 +157,14 @@ class Slider extends React.Component {
   onTouchStart(e) {
     if (isNotTouchEvent(e)) return;
 
-    const position = getTouchPosition(this.props.vertical, e);
+    let position = getTouchPosition(this.props.vertical, e);
+    if (!this.isEventFromHandle(e)) {
+      this.dragOffset = 0;
+    } else {
+      const handlePosition = getHandleCenterPosition(this.props.vertical, e.target);
+      this.dragOffset = position - handlePosition;
+      position = handlePosition;
+    }
     this.onStart(position);
     this.addDocumentEvents('touch');
     pauseEvent(e);
@@ -155,7 +172,15 @@ class Slider extends React.Component {
 
   onMouseDown(e) {
     if (e.button !== 0) { return; }
-    const position = getMousePosition(this.props.vertical, e);
+
+    let position = getMousePosition(this.props.vertical, e);
+    if (!this.isEventFromHandle(e)) {
+      this.dragOffset = 0;
+    } else {
+      const handlePosition = getHandleCenterPosition(this.props.vertical, e.target);
+      this.dragOffset = position - handlePosition;
+      position = handlePosition;
+    }
     this.onStart(position);
     this.addDocumentEvents('mouse');
     pauseEvent(e);
@@ -257,6 +282,13 @@ class Slider extends React.Component {
     return this._getPointsCache.points;
   }
 
+  isEventFromHandle(e) {
+    return this.state.bounds.some((x, i) => (
+        this.refs[`handle-${i}`] &&
+        e.target === findDOMNode(this.refs[`handle-${i}`])
+    ));
+  }
+
   isValueOutOfBounds(value, props) {
     return value < props.min || value > props.max;
   }
@@ -455,6 +487,7 @@ class Slider extends React.Component {
       offset: offsets[i],
       dragging: handle === i,
       key: i,
+      ref: `handle-${i}`,
     }));
     if (!range) { handles.shift(); }
 

tests/index.js

@@ -5,6 +5,18 @@ const ReactDOM = require('react-dom');
 const ReactTestUtils = require('react-addons-test-utils');
 const Slider = require('..');
 
+function createSliderWrapperComponent() {
+  return class SliderWrapper extends React.Component {
+    render() {
+      return (
+        <div style={{ position: `absolute`, width: `100px`, height: `10px` }}>
+          <Slider ref="slider"/>
+        </div>
+      );
+    }
+  };
+}
+
 require('../assets/index.less');
 
 describe('rc-slider', function test() {
@@ -232,4 +244,100 @@ describe('rc-slider', function test() {
 
     expect(values.length).to.be(0);
   });
+
+  it('should set `dragOffset` to correct value when the left handle is clicked off-center', () => {
+    const slider = ReactDOM.render(<Slider />, div);
+    const leftHandle = ReactTestUtils.scryRenderedDOMComponentsWithClass(slider, 'rc-slider-handle')[0];
+    slider.onMouseDown({
+      type: 'mousedown',
+      target: leftHandle,
+      pageX: 5, button: 0,
+      stopPropagation() {},
+      preventDefault() {},
+    });
+    expect(slider.dragOffset).to.be(5);
+  });
+
+  it('should respect `dragOffset` while dragging the handle via MouseEvents', () => {
+    const SliderWrapper = createSliderWrapperComponent();
+    const slider = ReactDOM.render(<SliderWrapper/>, div).refs.slider;
+    const leftHandle = ReactTestUtils.scryRenderedDOMComponentsWithClass(slider, 'rc-slider-handle')[0];
+    slider.onMouseDown({
+      type: 'mousedown',
+      target: leftHandle,
+      pageX: 5, button: 0,
+      stopPropagation() {},
+      preventDefault() {},
+    });
+    expect(slider.dragOffset).to.be(5);
+    slider.onMouseMove({
+      type: 'mousemove',
+      target: leftHandle,
+      pageX: 14, button: 0,
+      stopPropagation() {},
+      preventDefault() {},
+    });
+    expect(slider.getValue()).to.be(9);
+  });
+
+  it('should set `dragOffset` to 0 when the MouseEvent target isn\'t a handle', () => {
+    const slider = ReactDOM.render(<Slider />, div);
+    const sliderTrack = ReactTestUtils.scryRenderedDOMComponentsWithClass(slider, 'rc-slider-track')[0];
+    slider.onMouseDown({
+      type: 'mousedown',
+      target: sliderTrack,
+      pageX: 5, button: 0,
+      stopPropagation() {},
+      preventDefault() {},
+    });
+    expect(slider.dragOffset).to.be(0);
+  });
+
+  it('should set `dragOffset` to correct value when the left handle is touched off-center', () => {
+    const slider = ReactDOM.render(<Slider />, div);
+    const leftHandle = ReactTestUtils.scryRenderedDOMComponentsWithClass(slider, 'rc-slider-handle')[0];
+    slider.onTouchStart({
+      type: 'touchstart',
+      target: leftHandle,
+      touches: [{ pageX: 5 }],
+      stopPropagation() {},
+      preventDefault() {},
+    });
+    expect(slider.dragOffset).to.be(5);
+  });
+
+  it('should respect `dragOffset` while dragging the handle via TouchEvents', () => {
+    const SliderWrapper = createSliderWrapperComponent();
+    const slider = ReactDOM.render(<SliderWrapper/>, div).refs.slider;
+    const leftHandle = ReactTestUtils.scryRenderedDOMComponentsWithClass(slider, 'rc-slider-handle')[0];
+    slider.onTouchStart({
+      type: 'touchstart',
+      target: leftHandle,
+      touches: [{ pageX: 5 }],
+      stopPropagation() {},
+      preventDefault() {},
+    });
+    expect(slider.dragOffset).to.be(5);
+    slider.onTouchMove({
+      type: 'touchmove',
+      target: leftHandle,
+      touches: [{ pageX: 14 }],
+      stopPropagation() {},
+      preventDefault() {},
+    });
+    expect(slider.getValue()).to.be(9);
+  });
+
+  it('should set `dragOffset` to 0 when the TouchEvent target isn\'t a handle', () => {
+    const slider = ReactDOM.render(<Slider />, div);
+    const sliderTrack = ReactTestUtils.scryRenderedDOMComponentsWithClass(slider, 'rc-slider-track')[0];
+    slider.onTouchStart({
+      type: 'touchstart',
+      target: sliderTrack,
+      touches: [{ pageX: 5 }],
+      stopPropagation() {},
+      preventDefault() {},
+    });
+    expect(slider.dragOffset).to.be(0);
+  });
 });