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优化 slider 移动端滑动

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pull/1446/head
sight 12 months ago
parent 07c11a353a
commit 1b5c0b4fcc
1 changed files with 86 additions and 63 deletions
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147
src/modules/slider.js
Unescape View File

@ -10,26 +10,26 @@ layui.define(['jquery', 'lay'], function(exports){
// 外部接口
var slider = {
config: {}
,index: layui.slider ? (layui.slider.index + 10000) : 0
config: {},
index: layui.slider ? (layui.slider.index + 10000) : 0,
// 设置全局项
,set: function(options){
set: function(options){
var that = this;
that.config = $.extend({}, that.config, options);
return that;
}
},
// 事件
,on: function(events, callback){
on: function(events, callback){
return layui.onevent.call(this, MOD_NAME, events, callback);
}
};
// 操作当前实例
var thisSlider = function(){
var that = this
,options = that.config;
var that = this;
var options = that.config;
return {
setValue: function(value, index){ // 设置值
@ -37,8 +37,8 @@ layui.define(['jquery', 'lay'], function(exports){
value = value < options.min ? options.min : value;
options.value = value;
return that.slide('set', value, index || 0);
}
,config: options
},
config: options
}
};
@ -65,18 +65,18 @@ layui.define(['jquery', 'lay'], function(exports){
// 默认配置
Class.prototype.config = {
type: 'default' //滑块类型，垂直：vertical
,min: 0 //最小值
,max: 100 //最大值，默认100
,value: 0 //初始值，默认为0
,step: 1 //间隔值
,showstep: false //间隔点开启
,tips: true //文字提示，开启
,input: false //输入框，关闭
,range: false //范围选择，与输入框不能同时开启，默认关闭
,height: 200 //配合 type:"vertical" 使用，默认200px
,disabled: false //滑块禁用，默认关闭
,theme: '#16baaa' //主题颜色
type: 'default', //滑块类型，垂直：vertical
min: 0, //最小值
max: 100, //最大值，默认100
value: 0, //初始值，默认为0
step: 1, //间隔值
showstep: false, //间隔点开启
tips: true, //文字提示，开启
input: false, //输入框，关闭
range: false, //范围选择，与输入框不能同时开启，默认关闭
height: 200, //配合 type:"vertical" 使用，默认200px
disabled: false, //滑块禁用，默认关闭
theme: '#16baaa' //主题颜色
};
//滑块渲染
@ -116,9 +116,9 @@ layui.define(['jquery', 'lay'], function(exports){
options.value[0] = Math.min(options.value[0],options.max);
options.value[1] = Math.min(options.value[1],options.max);
var scaleFir = Math.floor((options.value[0] - options.min) / (options.max - options.min) * 100)
,scaleSec = Math.floor((options.value[1] - options.min) / (options.max - options.min) * 100)
,scale = scaleSec - scaleFir + '%';
var scaleFir = Math.floor((options.value[0] - options.min) / (options.max - options.min) * 100);
var scaleSec = Math.floor((options.value[1] - options.min) / (options.max - options.min) * 100);
var scale = scaleSec - scaleFir + '%';
scaleFir = scaleFir + '%';
scaleSec = scaleSec + '%';
} else {
@ -143,8 +143,8 @@ layui.define(['jquery', 'lay'], function(exports){
'<div class="layui-slider-bar" style="background:'+ theme +'; '+ (options.type === 'vertical' ? 'height' : 'width') +':'+ scale +';'+ (options.type === 'vertical' ? 'bottom' : 'left') +':'+ (scaleFir || 0) +';"></div><div class="layui-slider-wrap" style="'+ (options.type === 'vertical' ? 'bottom' : 'left') +':'+ (scaleFir || scale) +';">' +
'<div class="layui-slider-wrap-btn" style="border: 2px solid '+ theme +';"></div></div>'+ (options.range ? '<div class="layui-slider-wrap" style="'+ (options.type === 'vertical' ? 'bottom' : 'left') +':'+ scaleSec +';"><div class="layui-slider-wrap-btn" style="border: 2px solid '+ theme +';"></div></div>' : '') +'</div>';
var othis = $(options.elem)
,hasRender = othis.next('.' + ELEM_VIEW);
var othis = $(options.elem);
var hasRender = othis.next('.' + ELEM_VIEW);
//生成替代元素
hasRender[0] && hasRender.remove(); //如果已经渲染，则Rerender
that.elemTemp = $(temp);
@ -204,12 +204,12 @@ layui.define(['jquery', 'lay'], function(exports){
//划过滑块显示数值
var timer;
that.elemTemp.find('.' + SLIDER_WRAP_BTN).on('mouseover', function(){
var sliderWidth = options.type === 'vertical' ? options.height : that.elemTemp[0].offsetWidth
,sliderWrap = that.elemTemp.find('.' + SLIDER_WRAP)
,tipsLeft = options.type === 'vertical' ? (sliderWidth - $(this).parent()[0].offsetTop - sliderWrap.height()) : $(this).parent()[0].offsetLeft
,left = tipsLeft / sliderWidth * 100
,value = $(this).parent().data('value')
,tipsTxt = options.setTips ? options.setTips(value) : value;
var sliderWidth = options.type === 'vertical' ? options.height : that.elemTemp[0].offsetWidth;
var sliderWrap = that.elemTemp.find('.' + SLIDER_WRAP);
var tipsLeft = options.type === 'vertical' ? (sliderWidth - $(this).parent()[0].offsetTop - sliderWrap.height()) : $(this).parent()[0].offsetLeft;
var left = tipsLeft / sliderWidth * 100;
var value = $(this).parent().data('value');
var tipsTxt = options.setTips ? options.setTips(value) : value;
that.elemTemp.find('.' + SLIDER_TIPS).html(tipsTxt);
clearTimeout(timer);
@ -235,17 +235,17 @@ layui.define(['jquery', 'lay'], function(exports){
//滑块滑动
Class.prototype.slide = function(setValue, value, i){
var that = this
,options = that.config
,sliderAct = that.elemTemp
,sliderWidth = function(){
var that = this;
var options = that.config;
var sliderAct = that.elemTemp;
var sliderWidth = function(){
return options.type === 'vertical' ? options.height : sliderAct[0].offsetWidth
}
,sliderWrap = sliderAct.find('.' + SLIDER_WRAP)
,sliderTxt = sliderAct.next('.' + SLIDER_INPUT)
,inputValue = sliderTxt.children('.' + SLIDER_INPUT_TXT).children('input').val()
,step = 100 / ((options.max - options.min) / Math.ceil(options.step))
,change = function(offsetValue, index, from){
};
var sliderWrap = sliderAct.find('.' + SLIDER_WRAP);
var sliderTxt = sliderAct.next('.' + SLIDER_INPUT);
var inputValue = sliderTxt.children('.' + SLIDER_INPUT_TXT).children('input').val();
var step = 100 / ((options.max - options.min) / Math.ceil(options.step));
var change = function(offsetValue, index, from){
if(Math.ceil(offsetValue) * step > 100){
offsetValue = Math.ceil(offsetValue) * step
}else{
@ -254,8 +254,8 @@ layui.define(['jquery', 'lay'], function(exports){
offsetValue = offsetValue > 100 ? 100: offsetValue;
offsetValue = offsetValue < 0 ? 0: offsetValue;
sliderWrap.eq(index).css((options.type === 'vertical' ?'bottom':'left'), offsetValue + '%');
var firLeft = valueTo(sliderWrap[0].offsetLeft)
,secLeft = options.range ? valueTo(sliderWrap[1].offsetLeft) : 0;
var firLeft = valueTo(sliderWrap[0].offsetLeft);
var secLeft = options.range ? valueTo(sliderWrap[1].offsetLeft) : 0;
if(options.type === 'vertical'){
sliderAct.find('.' + SLIDER_TIPS).css({"bottom":offsetValue + '%', "margin-bottom":"20px"});
firLeft = valueTo(sliderWidth() - sliderWrap[0].offsetTop - sliderWrap.height());
@ -281,8 +281,8 @@ layui.define(['jquery', 'lay'], function(exports){
//如果开启范围选择，则返回数组值
if(options.range){
var arrValue = [
sliderWrap.eq(0).data('value')
,sliderWrap.eq(1).data('value')
sliderWrap.eq(0).data('value'),
sliderWrap.eq(1).data('value')
];
if(arrValue[0] > arrValue[1]) arrValue.reverse(); //如果前面的圆点超过了后面的圆点值，则调换顺序
}
@ -292,27 +292,40 @@ layui.define(['jquery', 'lay'], function(exports){
// 值完成选中的事件
if(from === 'done') options.done && options.done(that.value);
}
,valueTo = function(value){
var oldLeft = value / sliderWidth() * 100 / step
,left = Math.round(oldLeft) * step;
};
var valueTo = function(value){
var oldLeft = value / sliderWidth() * 100 / step;
var left = Math.round(oldLeft) * step;
if(value == sliderWidth()){
left = Math.ceil(oldLeft) * step;
}
return left;
}
};
//拖拽元素
,elemMove = $(['<div class="layui-auxiliar-moving" id="LAY-slider-moving"></div'].join(''))
,createMoveElem = function(move, up){
var elemMove = $(['<div class="layui-auxiliar-moving" id="LAY-slider-moving"></div'].join(''));
var createMoveElem = function(sliderBtnElem, move, up){
var upCall = function(){
up && up();
// 移动端延时一秒关闭
up && up(lay.touchEventsSupported() ? 1000 : 0);
elemMove.remove();
options.done && options.done(that.value);
// 移动端
if (lay.touchEventsSupported()) {
sliderBtnElem[0].removeEventListener('touchmove', move, lay.passiveSupported ? { passive: false } : false);
sliderBtnElem[0].removeEventListener('touchend', upCall);
sliderBtnElem[0].removeEventListener('touchcancel', upCall);
}
};
$('#LAY-slider-moving')[0] || $('body').append(elemMove);
elemMove.on('mousemove', move);
elemMove.on('mouseup', upCall).on('mouseleave', upCall);
// 移动端
if (lay.touchEventsSupported()) {
sliderBtnElem[0].addEventListener('touchmove', move, lay.passiveSupported ? { passive: false } : false);
sliderBtnElem[0].addEventListener('touchend', upCall);
sliderBtnElem[0].addEventListener('touchcancel', upCall);
}
};
//动态赋值
@ -321,11 +334,15 @@ layui.define(['jquery', 'lay'], function(exports){
//滑块滑动
sliderAct.find('.' + SLIDER_WRAP_BTN).each(function(index){
var othis = $(this);
othis.on('mousedown', function(e){
e = e || window.event;
othis.on('mousedown touchstart', function(e){
e = e.originalEvent || window.event;
if(e.type === 'touchstart'){
e.clientX = e.touches[0].clientX;
e.clientY = e.touches[0].clientY;
}
var oldleft = othis.parent()[0].offsetLeft
,oldx = e.clientX;
var oldleft = othis.parent()[0].offsetLeft;
var oldx = e.clientX;
if(options.type === 'vertical'){
oldleft = sliderWidth() - othis.parent()[0].offsetTop - sliderWrap.height()
oldx = e.clientY;
@ -333,6 +350,10 @@ layui.define(['jquery', 'lay'], function(exports){
var move = function(e){
e = e || window.event;
if (e.type === 'touchmove') {
e.clientX = e.touches[0].clientX;
e.clientY = e.touches[0].clientY;
}
var left = oldleft + (options.type === 'vertical' ? (oldx - e.clientY) : (e.clientX - oldx));
if(left < 0)left = 0;
if(left > sliderWidth())left = sliderWidth();
@ -343,12 +364,14 @@ layui.define(['jquery', 'lay'], function(exports){
e.preventDefault();
};
var up = function(){
var up = function(delay){
othis.removeClass(ELEM_HOVER);
setTimeout(function(){
sliderAct.find('.' + SLIDER_TIPS).hide();
}, delay);
};
createMoveElem(move, up)
createMoveElem(othis, move, up)
});
});
@ -417,8 +440,8 @@ layui.define(['jquery', 'lay'], function(exports){
//事件处理
Class.prototype.events = function(){
var that = this
,options = that.config;
var that = this;
var options = that.config;
};
//核心入口

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