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fix ie8 event bug

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This commit is contained in:
simaQ
2015-04-22 16:12:10 +08:00
parent 70472fb599
commit a449b00bf6
2 changed files with 138 additions and 47 deletions
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lib/EventListener.js
+56
View File
@@ -0,0 +1,56 @@
/**
* Copyright 2013-2014 Facebook, Inc.
*
* This file contains a modified version of:
* https://github.com/facebook/react/blob/v0.12.0/src/vendor/stubs/EventListener.js
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* TODO: remove in favour of solution provided by:
* https://github.com/facebook/react/issues/285
*/
/**
* Does not take into account specific nature of platform.
*/
'use strict';
var EventListener = {
/**
* Listen to DOM events during the bubble phase.
*
* @param {DOMEventTarget} target DOM element to register listener on.
* @param {string} eventType Event type, e.g. 'click' or 'mouseover'.
* @param {function} callback Callback function.
* @return {object} Object with a `remove` method.
*/
listen: function listen(target, eventType, callback) {
if (target.addEventListener) {
target.addEventListener(eventType, callback, false);
return {
remove: function remove() {
target.removeEventListener(eventType, callback, false);
}
};
} else if (target.attachEvent) {
target.attachEvent('on' + eventType, callback);
return {
remove: function remove() {
target.detachEvent('on' + eventType, callback);
}
};
}
}
};
module.exports = EventListener;
lib/Slider.js
+82 -47
View File
@@ -1,5 +1,6 @@
/** @jsx React.DOM */
var React = require('react');
var EventListener = require('./EventListener');
function pauseEvent(e) {
if (e.stopPropagation) {
@@ -13,6 +14,13 @@ function pauseEvent(e) {
return false;
}
function prefixClsFn(prefixCls) {
var args = Array.prototype.slice.call(arguments, 1);
return args.map((s)=> {
return prefixCls + '-' + s;
}).join(' ');
}
var Slider = React.createClass({
propTypes: {
min: React.PropTypes.number,
@@ -43,7 +51,7 @@ var Slider = React.createClass({
getInitialState: function() {
var props = this.props;
var value = props.value;
var value = this._trimAlignValue(props.value);
var marksLen = props.marks.length;
if (marksLen > 0) {
value = ((props.max - props.min) / (marksLen - 1)) * (props.index);
@@ -54,7 +62,7 @@ var Slider = React.createClass({
upperBound: 0,
sliderLength: 0,
value: value,
active: props.disabled ? '' : ((value > 0 || props.index > 0) ? 'active' : '')
active: props.disabled ? '' : ((value > props.min || props.index > 0) ? 'active' : '')
};
},
@@ -64,12 +72,14 @@ var Slider = React.createClass({
},
componentDidMount: function() {
window.addEventListener('resize', this.handleResize);
this._onHandleResizeListener = EventListener.listen(window, 'resize', this.handleResize);
this.handleResize();
},
componentWillUnmount: function() {
window.removeEventListener('resize', this.handleResize);
if (this._onHandleResizeListener) {
this._onHandleResizeListener.remove();
}
},
getValue: function() {
@@ -124,32 +134,30 @@ var Slider = React.createClass({
var nextValue = this._trimAlignValue(this._calcValue(pixelOffset));
this.setState({value: nextValue, active: 'active'}, callback.bind(this));
this.setState({value: nextValue, active: 'active'}, callback);
},
_triggerEvents: function(event) {
if (this.props[event]) {
this.props[event](this.state.value);
var props = this.props;
var hasMarks = props.marks && props.marks.length > 0;
if (props[event]) {
props[event](hasMarks ? this.getIndex() : this.state.value);
}
},
_addEventHandles: function(eventMap) {
for (var key in eventMap) {
document.addEventListener(key, eventMap[key], false);
}
_addEventHandles: function() {
this._onMouseMoveListener = EventListener.listen(document, 'mousemove', this._onMouseMove);
this._onMouseUpListener = EventListener.listen(document, 'mouseup', this._onMouseUp);
},
_removeEventHandles: function (eventMap) {
for (var key in eventMap) {
document.removeEventListener(key, eventMap[key], false);
_removeEventHandles: function () {
if (this._onMouseMoveListener) {
this._onMouseMoveListener.remove();
}
},
_getMouseEventMap: function() {
return {
mousemove: this._onMouseMove,
mouseup: this._onMouseUp
};
if (this._onMouseUpListener) {
this._onMouseUpListener.remove();
}
},
_start: function(position) {
@@ -165,18 +173,18 @@ var Slider = React.createClass({
});
},
_end: function(eventMap) {
this._removeEventHandles(eventMap);
_end: function() {
this._removeEventHandles();
this.setState(this._triggerEvents.bind(this, 'onAfterChange'));
},
_onMouseUp: function() {
this._end(this._getMouseEventMap());
this._end();
},
_onMouseMove: function(e) {
var position = e.pageX;
pauseEvent(e);
var position = e.pageX || e.clientX;
var props = this.props;
var state = this.state;
@@ -201,6 +209,7 @@ var Slider = React.createClass({
var sliderMin = rect.left;
var sliderMax = rect.right;
this.setState({
upperBound: slider.clientWidth,
sliderLength: Math.abs(sliderMax - sliderMin),
@@ -209,27 +218,29 @@ var Slider = React.createClass({
},
handleMouseDown: function() {
return function(e) {
return (e) => {
if (this.props.disabled) {
return;
}
var position = e.pageX;
var position = e.pageX || e.clientX;
this._start(position);
this._addEventHandles(this._getMouseEventMap());
this._addEventHandles();
pauseEvent(e);
}.bind(this);
};
},
handleSliderMouseDown: function(e) {
if (this.props.disabled) {
return;
}
var position = e.pageX;
this._calValueByPos(position, function() {
this._triggerEvents('onChange');
this._start(position);
this._addEventHandles(this._getMouseEventMap());
}.bind(this));
var position = e.pageX || e.clientX;
this._calValueByPos(position,
() => {
this._triggerEvents('onChange');
this._start(position);
this._addEventHandles();
}
);
pauseEvent(e);
},
@@ -239,15 +250,21 @@ var Slider = React.createClass({
var stepNum = marksLen > 0 ? marksLen : Math.floor((props.max - props.min) / props.step) + 1;
var unit = this.state.sliderLength / (stepNum - 1);
var stepClassName = props.className + '-step';
var prefixCls = props.className;
var stepClassName = prefixClsFn(prefixCls, 'step');
var elements = [];
for (var i = 0; i < stepNum; i++) {
var offset = unit * i;
var style = {
left: (unit * i).toFixed(5) + 'px'
left: offset.toFixed(5)
};
var className = prefixClsFn(prefixCls, 'dot');
if (i <= this.getIndex() || (this._calcValue(offset) <= this.getValue())) {
className = prefixClsFn(prefixCls, 'dot', 'dot-active');
}
elements[i] = (
<span className='dot' style={style} ref={'step'+i}></span>
<span className={className} style={style} ref={'step'+i}></span>
);
}
@@ -265,16 +282,22 @@ var Slider = React.createClass({
var offset = unit * i;
var style = {
width: (unit / 2).toFixed(5) + 'px'
width: (unit / 2).toFixed(5)
};
if (i === (marksLen - 1)) {
style.right = '0';
style.width = 'auto';
}else {
style.left = (i > 0 ? (offset - (unit / 4)).toFixed(5) : offset) + 'px';
style.left = (i > 0 ? (offset - (unit / 4)).toFixed(5) : offset);
}
var prefixCls = this.props.className;
var className = prefixClsFn(prefixCls, 'mark-text');
if (i <= this.getIndex()) {
className = prefixClsFn(prefixCls, 'mark-text', 'mark-text-active');
}
var className = this.props.className + '-mark-text ';
return (
<span className={className} style={style}>{this.props.marks[i]}</span>
@@ -289,8 +312,11 @@ var Slider = React.createClass({
elements[i] = this.renderMark(i);
}
var prefixCls = this.props.className;
var className = prefixClsFn(prefixCls, 'mark');
return (
<div className={this.props.className + "-mark"} onMouseDown={this.handleSliderMouseDown}>
<div className={className} onMouseDown={this.handleSliderMouseDown}>
{elements}
</div>
);
@@ -298,9 +324,15 @@ var Slider = React.createClass({
renderHandle: function(offset) {
var handleStyle = {
left: offset + 'px'
left: offset
};
var className = this.props.className + '-handle ' + this.state.active;
var prefixCls = this.props.className;
var className = prefixClsFn(prefixCls, 'handle');
if (this.state.active) {
className = prefixClsFn(prefixCls, 'handle', 'handle-active');
}
return (
<a className={className}
@@ -313,10 +345,12 @@ var Slider = React.createClass({
renderTrack: function(offset) {
var style = {
left: 0,
width: offset
};
var trackClassName = this.props.className + '-track';
var prefixCls = this.props.className;
var trackClassName = prefixClsFn(prefixCls, 'track');
return (
<div className={trackClassName} ref="track" style={style}></div>
);
@@ -334,7 +368,8 @@ var Slider = React.createClass({
var steps = (props.step > 1 || props.marks.length > 0) ? this.renderSteps() : null;
var sliderMarks = (props.marks.length > 0) ? this.renderMarks() : null;
var sliderClassName = props.className + (props.disabled ? ' '+props.className+ '-disabled' : '');
var prefixCls = props.className;
var sliderClassName = props.disabled ? prefixClsFn(prefixCls, 'disabled') : prefixCls;
return (
<div className={sliderClassName} ref="slider" onMouseDown={this.handleSliderMouseDown}>