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422 lines
11 KiB
JavaScript
422 lines
11 KiB
JavaScript
/**
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* @name jQuery.touchSlider
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* @version 201209_2
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* @since 201106
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* @param Object settings 환경변수 오브젝트
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* roll - 순환 (default true)
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* flexible - 유동 레이아웃 (default false)
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* view - 다중 컬럼 (default 1)
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* speed - 애니메이션 속도 (default 75)
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* range - 넘김 판정 범위 (default 0.15)
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* page - 초기 페이지 (default 1)
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* transition - CSS3 transition 사용 (default false)
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* btn_prev - prev 버튼 (jQuery Object, default null)
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* btn_next - next 버튼 (jQuery Object, default null)
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* paging - page 버튼 (jQuery Object, default null)
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* initComplete - 초기화 콜백
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* counter - 슬라이드 콜백, 카운터
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*
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* @example
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$("#target").touchSlider({
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flexible : true
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});
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*/
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(function ($) {
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$.fn.touchSlider = function (settings) {
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settings.supportsCssTransitions = (function (style) {
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var prefixes = ['Webkit','Moz','Ms'];
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for(var i=0, l=prefixes.length; i < l; i++ ) {
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if( typeof style[prefixes[i] + 'Transition'] !== 'undefined') {
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return true;
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}
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}
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return false;
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})(document.createElement('div').style);
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settings = jQuery.extend({
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roll : true,
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flexible : false,
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btn_prev : null,
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btn_next : null,
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paging : null,
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speed : 75,
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view : 1,
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range : 0.15,
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page : 1,
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transition : false,
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initComplete : null,
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counter : null,
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multi : false
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}, settings);
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var opts = [];
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opts = $.extend({}, $.fn.touchSlider.defaults, settings);
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return this.each(function () {
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$.fn.extend(this, touchSlider);
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var _this = this;
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this.opts = opts;
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this._view = this.opts.view;
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this._speed = this.opts.speed;
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this._tg = $(this);
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this._list = this._tg.children().children();
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this._width = parseInt(this._tg.css("width"));
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this._item_w = parseInt(this._list.css("width"));
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this._len = this._list.length;
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this._range = this.opts.range * this._width;
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this._pos = [];
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this._start = [];
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this._startX = 0;
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this._startY = 0;
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this._left = 0;
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this._top = 0;
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this._drag = false;
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this._scroll = false;
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this._btn_prev;
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this._btn_next;
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this.init();
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$(this)
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.bind("touchstart", this.touchstart)
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.bind("touchmove", this.touchmove)
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.bind("touchend", this.touchend)
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.bind("dragstart", this.touchstart)
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.bind("drag", this.touchmove)
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.bind("dragend", this.touchend)
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$(window).bind("orientationchange resize", function () {
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_this.resize(_this);
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});
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});
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};
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var touchSlider = {
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init : function () {
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var _this = this;
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$(this).children().css({
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"width":this._width + "px",
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"overflow":"visible"
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});
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if(this.opts.flexible) this._item_w = this._width / this._view;
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if(this.opts.roll) this._len = Math.ceil(this._len / this._view) * this._view;
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var page_gap = (this.opts.page > 1 && this.opts.page <= this._len) ? (this.opts.page - 1) * this._item_w : 0;
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for(var i=0; i<this._len; ++i) {
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this._pos[i] = this._item_w * i - page_gap;
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this._start[i] = this._pos[i];
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this._list.eq(i).css({
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"float" : "none",
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"display" : "block",
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"position" : "absolute",
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"top" : "0",
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"left" : this._pos[i] + "px",
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"width" : this._item_w + "px"
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});
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if(this.opts.supportsCssTransitions && this.opts.transition) {
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this._list.eq(i).css({
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"-moz-transition" : "0ms",
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"-moz-transform" : "",
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"-ms-transition" : "0ms",
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"-ms-transform" : "",
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"-webkit-transition" : "0ms",
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"-webkit-transform" : "",
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"transition" : "0ms",
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"transform" : ""
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});
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}
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}
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if(this.opts.btn_prev && this.opts.btn_next) {
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this.opts.btn_prev.bind("click", function() {
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_this.animate(1, true);
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return false;
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})
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this.opts.btn_next.bind("click", function() {
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_this.animate(-1, true);
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return false;
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});
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}
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if(this.opts.paging) {
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$(this._list).each(function (i, el) {
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//var btn_page = _this.opts.paging.eq(0).clone();
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var btn_page = _this.opts.paging.eq(i);
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//_this.opts.paging.before(btn_page);
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btn_page.bind("click", function(e) {
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_this.go_page(i, e);
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return false;
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});
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});
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//this.opts.paging.remove();
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}
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this.counter();
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this.initComplete();
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},
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initComplete : function () {
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if(typeof(this.opts.initComplete) == "function") {
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this.opts.initComplete(this);
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}
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},
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resize : function (e) {
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if(e.opts.flexible) {
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var tmp_w = e._item_w;
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e._width = parseInt(e._tg.css("width"));
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e._item_w = e._width / e._view;
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e._range = e.opts.range * e._width;
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for(var i=0; i<e._len; ++i) {
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e._pos[i] = e._pos[i] / tmp_w * e._item_w;
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e._start[i] = e._start[i] / tmp_w * e._item_w;
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e._list.eq(i).css({
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"left" : e._pos[i] + "px",
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"width" : e._item_w + "px"
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});
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if(this.opts.supportsCssTransitions && this.opts.transition) {
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e._list.eq(i).css({
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"-moz-transition" : "0ms",
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"-moz-transform" : "",
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"-ms-transition" : "0ms",
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"-ms-transform" : "",
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"-webkit-transition" : "0ms",
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"-webkit-transform" : "",
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"transition" : "0ms",
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"transform" : ""
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});
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}
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}
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}
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this.counter();
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},
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touchstart : function (e) {
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if((e.type == "touchstart" && e.originalEvent.touches.length <= 1) || e.type == "dragstart") {
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this._startX = e.pageX || e.originalEvent.touches[0].pageX;
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this._startY = e.pageY || e.originalEvent.touches[0].pageY;
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this._scroll = false;
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this._start = [];
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for(var i=0; i<this._len; ++i) {
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this._start[i] = this._pos[i];
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}
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}
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},
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touchmove : function (e) {
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if((e.type == "touchmove" && e.originalEvent.touches.length <= 1) || e.type == "drag") {
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this._left = (e.pageX || e.originalEvent.touches[0].pageX) - this._startX;
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this._top = (e.pageY || e.originalEvent.touches[0].pageY) - this._startY;
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var w = this._left < 0 ? this._left * -1 : this._left;
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var h = this._top < 0 ? this._top * -1 : this._top;
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if (w < h || this._scroll) {
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this._left = 0;
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this._drag = false;
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this._scroll = true;
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} else {
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e.preventDefault();
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this._drag = true;
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this._scroll = false;
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this.position(e);
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}
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for(var i=0; i<this._len; ++i) {
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var tmp = this._start[i] + this._left;
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if(this.opts.supportsCssTransitions && this.opts.transition) {
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var trans = "translate3d(" + tmp + "px,0,0)";
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this._list.eq(i).css({
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"left" : "",
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"-moz-transition" : "0ms",
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"-moz-transform" : trans,
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"-ms-transition" : "0ms",
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"-ms-transform" : trans,
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"-webkit-transition" : "0ms",
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"-webkit-transform" : trans,
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"transition" : "0ms",
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"transform" : trans
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});
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} else {
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this._list.eq(i).css("left", tmp + "px");
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}
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this._pos[i] = tmp;
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}
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}
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},
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touchend : function (e) {
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if((e.type == "touchend" && e.originalEvent.touches.length <= 1) || e.type == "dragend") {
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if(this._scroll) {
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this._drag = false;
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this._scroll = false;
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return false;
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}
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this.animate(this.direction());
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this._drag = false;
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this._scroll = false;
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}
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},
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position : function (d) {
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var gap = this._view * this._item_w;
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if(d == -1 || d == 1) {
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this._startX = 0;
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this._start = [];
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for(var i=0; i<this._len; ++i) {
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this._start[i] = this._pos[i];
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}
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this._left = d * gap;
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} else {
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if(this._left > gap) this._left = gap;
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if(this._left < - gap) this._left = - gap;
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}
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if(this.opts.roll) {
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var tmp_pos = [];
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for(var i=0; i<this._len; ++i) {
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tmp_pos[i] = this._pos[i];
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}
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tmp_pos.sort(function(a,b){return a-b;});
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var max_chk = tmp_pos[this._len-this._view];
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var p_min = $.inArray(tmp_pos[0], this._pos);
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var p_max = $.inArray(max_chk, this._pos);
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if(this._view <= 1) max_chk = this._len - 1;
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if(this.opts.multi) {
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if((d == 1 && tmp_pos[0] >= 0) || (this._drag && tmp_pos[0] >= 100)) {
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for(var i=0; i<this._view; ++i, ++p_min, ++p_max) {
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this._start[p_max] = this._start[p_min] - gap;
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this._list.eq(p_max).css("left", this._start[p_max] + "px");
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}
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} else if((d == -1 && tmp_pos[0] <= 0) || (this._drag && tmp_pos[0] <= -100)) {
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for(var i=0; i<this._view; ++i, ++p_min, ++p_max) {
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this._start[p_min] = this._start[p_max] + gap;
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this._list.eq(p_min).css("left", this._start[p_min] + "px");
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}
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}
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} else {
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if((d == 1 && tmp_pos[0] >= 0) || (this._drag && tmp_pos[0] > 0)) {
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for(var i=0; i<this._view; ++i, ++p_min, ++p_max) {
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this._start[p_max] = this._start[p_min] - gap;
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this._list.eq(p_max).css("left", this._start[p_max] + "px");
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}
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} else if((d == -1 && tmp_pos[max_chk] <= 0) || (this._drag && tmp_pos[max_chk] <= 0)) {
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for(var i=0; i<this._view; ++i, ++p_min, ++p_max) {
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this._start[p_min] = this._start[p_max] + gap;
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this._list.eq(p_min).css("left", this._start[p_min] + "px");
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}
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}
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}
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} else {
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if(this.limit_chk()) this._left = this._left / 2;
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}
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},
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animate : function (d, btn_click) {
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if(this._drag || !this._scroll || btn_click) {
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var _this = this;
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var speed = this._speed;
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if(btn_click) this.position(d);
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var gap = d * (this._item_w * this._view);
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if(this._left == 0 || (!this.opts.roll && this.limit_chk()) ) gap = 0;
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this._list.each(function (i, el) {
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_this._pos[i] = _this._start[i] + gap;
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if(_this.opts.supportsCssTransitions && _this.opts.transition) {
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var transition = speed + "ms";
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var transform = "translate3d(" + _this._pos[i] + "px,0,0)";
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if(btn_click) transition = "0ms";
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$(this).css({
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"left" : "",
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"-moz-transition" : transition,
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"-moz-transform" : transform,
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"-ms-transition" : transition,
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"-ms-transform" : transform,
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"-webkit-transition" : transition,
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"-webkit-transform" : transform,
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"transition" : transition,
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"transform" : transform
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});
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} else {
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$(this).stop();
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$(this).animate({"left": _this._pos[i] + "px"}, speed);
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}
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});
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this.counter();
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}
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},
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direction : function () {
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var r = 0;
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if(this._left < -(this._range)) r = -1;
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else if(this._left > this._range) r = 1;
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if(!this._drag || this._scroll) r = 0;
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return r;
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},
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limit_chk : function () {
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var last_p = parseInt((this._len - 1) / this._view) * this._view;
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return ( (this._start[0] == 0 && this._left > 0) || (this._start[last_p] == 0 && this._left < 0) );
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},
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go_page : function (i, e) {
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var crt = ($.inArray(0, this._pos) / this._view) + 1;
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var cal = crt - (i + 1);
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while(cal != 0) {
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if(cal < 0) {
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this.animate(-1, true);
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cal++;
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} else if(cal > 0) {
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this.animate(1, true);
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cal--;
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}
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}
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},
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counter : function () {
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if(typeof(this.opts.counter) == "function") {
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var param = {
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total : Math.ceil(this._len / this._view),
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current : ($.inArray(0, this._pos) / this._view) + 1
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};
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this.opts.counter(param);
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}
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}
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};
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})(jQuery); |