// 使用说明：（需要移动的dom，触摸块dom，跟随改变map dom）
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function myDomMove(dom, div, map) {
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this.m = $(dom);
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this.div = $(div);
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this.mapId = $(map);
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this.__xx = null; //鼠标实时位置
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this.__yy = null;
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this.__sx = null; //鼠标开始位置
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this.__sy = null;
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this.__dx = null; //dom位置
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this.__dy = null;
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this.mapH = null; //地图高度
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this.__wy = null; //屏幕高度
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this.state = "up"; //dom状态默认up
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this.getMosePosition = (x, y) => { //获取鼠标位置
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this.__sx = x;
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this.__sy = y;
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// console.log(this.__sy, '鼠标开始');
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}
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this.getDomPosition = () => { //获取dom位置
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this.__dx = this.m.offset().left;
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this.__dy = this.m.offset().top;
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this.__wy = document.documentElement.clientHeight;
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// console.log(this.__dy, 'dom');
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}
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this.getMapHeight = () => { //获取地图高度
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var that = this;
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this.mapId.css("height", (index, value) => {
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that.mapH = parseFloat(value);
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})
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// console.log(that.mapH, 'map位置');
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}
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this.changeDomPosition = (x, y, dy) => { //改变dom位置
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var that = this;
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// this.mapId.css("height", (index, value) => {//改变地图高度
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// var h = this.mapH + y;
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// console.log(h);
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// return h ;
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// })
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this.m.animate({ top: dy + "px" }, 10);
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}
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//begin
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this.followFinger = (map, state = 14) => { //(地图实例，dom状态判断是向上还是向下)
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// console.log('开始跟随手指');
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var that = this;
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if (state != 14) {
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that.state = state;
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// console.log(that.state);
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}
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that.getDomPosition(); //获取dom位置
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that.getMapHeight(); //获取地图高度
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var once = true;
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that.div.on('touchmove', function(e) { //获取鼠标位置
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e = e || window.event;
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that.__xx = e.touches[0].clientX;
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that.__yy = e.touches[0].clientY;
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if (once) { //获取第一次点击的位置
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once = false;
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that.getMosePosition(that.__xx, that.__yy);
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}
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// console.log(that.__yy, '鼠标');
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var h = that.__yy - that.__sy //鼠标移动距离y
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if (that.state == 'down') { //两种模式
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// console.log(that.state);
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if (h >= 0 && h + that.__dy <= that.__wy - 20) {
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that.changeDomPosition(0, h, h + that.__dy); //改变位置
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// console.log(that.state,h + that.__dy,112);
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}
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} else if (that.state == 'up') {
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if (h >= -that.__dy && h <= that.__wy - 20) {
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that.changeDomPosition(0, h, h + that.__wy - 20); //改变位置
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// console.log(that.state,h + that.__wy - 20,112);
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}
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}
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});
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that.div.on('touchend', function() { //抬起重置
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once = true; //抬起重置鼠标点击位置
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var chous = null;
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if (that.state == 'down') { //两种模式
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// var chous = Math.abs(that.__yy - that.__sy) < that.__wy / 4;
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chous = (that.__sy - that.__yy) < 0;
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} else if (that.state == 'up') {
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// var chous = Math.abs(that.__yy - that.__sy) > that.__wy / 4;
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chous = (that.__sy - that.__yy) < 0;
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}
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if (!chous) {
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//改变dom位置
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that.changeDomPosition(0, 0, (parseFloat(that.__wy / 10) * 3.999));
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// that.getDomPosition();//抬起获取dom位置/持续停留使用
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that.state = 'down';
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$('#map').css("height", (index, value) => { //改变地图高度
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return '50%';
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})
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map.invalidateSize(true); //应用地图高度
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} else {
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// that.changeDomPosition(0, 0, that.__wy - 50); //改变位置
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that.changeDomPosition(0, 0, that.__wy); //改变位置
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// that.getDomPosition();//抬起获取dom位置/持续停留使用
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that.state = 'up';
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$('#map').css("height", (index, value) => { //改变地图高度
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return '100%';
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})
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map.invalidateSize(true); //应用地图高度
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}
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that.getMapHeight(); //抬起获取map高度
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});
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}
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this.destruction = () => { //初始化销毁
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this.m = $(dom);
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this.div = $(div);
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this.mapId = $(map);
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this.__xx = null; //鼠标实时位置
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this.__yy = null;
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this.__sx = null; //鼠标开始位置
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this.__sy = null;
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this.__dx = null; //dom位置
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this.__dy = null;
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this.mapH = null; //地图高度
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this.__wy = null; //屏幕高度
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this.state = "up"; //dom状态默认up
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this.div.off();
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}
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}
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// export default myDomMove;
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