/public/altair/bower_components/uikit/js/components/slider.js
JavaScript | 482 lines | 320 code | 156 blank | 6 comment | 93 complexity | cd65924092d856e76923240401573355 MD5 | raw file
- /*! UIkit 2.21.0 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
- (function(addon) {
- var component;
- if (window.UIkit) {
- component = addon(UIkit);
- }
- if (typeof define == "function" && define.amd) {
- define("uikit-slider", ["uikit"], function(){
- return component || addon(UIkit);
- });
- }
- })(function(UI){
- "use strict";
- var dragging, delayIdle, anchor, dragged, store = {};
- UI.component('slider', {
- defaults: {
- center : false,
- threshold : 10,
- infinite : true,
- activecls : 'uk-active'
- },
- boot: function() {
- // init code
- UI.ready(function(context) {
- setTimeout(function(){
- UI.$("[data-uk-slider]", context).each(function(){
- var ele = UI.$(this);
- if (!ele.data("slider")) {
- UI.slider(ele, UI.Utils.options(ele.attr('data-uk-slider')));
- }
- });
- }, 0);
- });
- },
- init: function() {
- var $this = this;
- this.container = this.element.find('.uk-slider');
- this.focus = 0;
- UI.$win.on("resize load", UI.Utils.debounce(function() {
- $this.resize(true);
- }, 100));
- this.on("click.uikit.slider", '[data-uk-slider-item]', function(e) {
- e.preventDefault();
- var item = UI.$(this).attr('data-uk-slider-item');
- if ($this.focus == item) return;
- switch(item) {
- case 'next':
- case 'previous':
- $this[item=='next' ? 'next':'previous']();
- break;
- default:
- $this.updateFocus(parseInt(slide, 10));
- }
- });
- this.container.on('touchstart mousedown', function(evt) {
- if (evt.originalEvent && evt.originalEvent.touches) {
- evt = evt.originalEvent.touches[0];
- }
- // ignore right click button
- if (evt.button && evt.button==2 || !$this.active) {
- return;
- }
- anchor = UI.$(evt.target).is('a') ? UI.$(evt.target) : UI.$(evt.target).parents('a:first');
- dragged = false;
- if (anchor.length) {
- anchor.one('click', function(e){
- if (dragged) e.preventDefault();
- });
- }
- delayIdle = function(e) {
- dragged = true;
- dragging = $this;
- store = {
- touchx : parseInt(e.pageX, 10),
- dir : 1,
- focus : $this.focus,
- base : $this.options.center ? 'center':'area'
- };
- if (e.originalEvent && e.originalEvent.touches) {
- e = e.originalEvent.touches[0];
- }
- dragging.element.data({
- 'pointer-start': {x: parseInt(e.pageX, 10), y: parseInt(e.pageY, 10)},
- 'pointer-pos-start': $this.pos
- });
- $this.container.addClass('uk-drag');
- delayIdle = false;
- };
- delayIdle.x = parseInt(evt.pageX, 10);
- delayIdle.threshold = $this.options.threshold;
- });
- this.resize(true);
- this.on('display.uk.check', function(){
- if ($this.element.is(":visible")) {
- $this.resize(true);
- }
- });
- // prevent dragging links + images
- this.element.find('a,img').attr('draggable', 'false');
- },
- resize: function(focus) {
- var $this = this, pos = 0, maxheight = 0, item, width, cwidth, size;
- this.items = this.container.children().filter(':visible');
- this.vp = this.element[0].getBoundingClientRect().width;
- this.container.css({'min-width': '', 'min-height': ''});
- this.items.each(function(idx){
- item = UI.$(this);
- size = item.css({'left': '', 'width':''})[0].getBoundingClientRect();
- width = size.width;
- cwidth = item.width();
- maxheight = Math.max(maxheight, size.height);
- item.css({'left': pos, 'width':width}).data({'idx':idx, 'left': pos, 'width': width, 'cwidth':cwidth, 'area': (pos+width), 'center':(pos - ($this.vp/2 - cwidth/2))});
- pos += width;
- });
- this.container.css({'min-width': pos, 'min-height': maxheight});
- if (this.options.infinite && pos <= (2*this.vp) && !this.itemsResized) {
- // fill with cloned items
- this.container.children().each(function(idx){
- $this.container.append($this.items.eq(idx).clone(true).attr('id', ''));
- }).each(function(idx){
- $this.container.append($this.items.eq(idx).clone(true).attr('id', ''));
- });
- this.itemsResized = true;
- return this.resize();
- }
- this.cw = pos;
- this.pos = 0;
- this.active = pos >= this.vp;
- this.container.css({
- '-ms-transform': '',
- '-webkit-transform': '',
- 'transform': ''
- });
- this.updateFocus(0);
- },
- updatePos: function(pos) {
- this.pos = pos;
- this.container.css({
- '-ms-transform': 'translateX('+pos+'px)',
- '-webkit-transform': 'translateX('+pos+'px)',
- 'transform': 'translateX('+pos+'px)'
- });
- },
- updateFocus: function(idx, dir) {
- if (!this.active) {
- return;
- }
- dir = dir || (idx > this.focus ? 1:-1);
- var $this = this, item = this.items.eq(idx), area, i;
- if (this.options.infinite) {
- this.infinite(idx, dir);
- }
- if (this.options.center) {
- this.updatePos(item.data('center')*-1);
- this.items.filter('.'+this.options.activecls).removeClass(this.options.activecls);
- item.addClass(this.options.activecls);
- } else {
- if (this.options.infinite) {
- this.updatePos(item.data('left')*-1);
- } else {
- area = 0;
- for (i=idx;i<this.items.length;i++) {
- area += this.items.eq(i).data('width');
- }
- if (area > this.vp) {
- this.updatePos(item.data('left')*-1);
- } else {
- if (dir == 1) {
- area = 0;
- for (i=this.items.length-1;i>=0;i--) {
- area += this.items.eq(i).data('width');
- if (area >= this.vp) {
- idx = i;
- break;
- }
- }
- this.updatePos(this.items.eq(idx).data('left')*-1);
- }
- }
- }
- }
- this.focus = idx;
- this.trigger('focusitem.uk.slider', [idx,this.items.eq(idx),this]);
- },
- next: function() {
- var focus = this.items[this.focus + 1] ? (this.focus + 1) : (this.options.infinite ? 0:this.focus);
- this.updateFocus(focus, 1);
- },
- previous: function() {
- var focus = this.items[this.focus - 1] ? (this.focus - 1) : (this.options.infinite ? (this.items[this.focus - 1] ? this.items-1:this.items.length-1):this.focus);
- this.updateFocus(focus, -1);
- },
- infinite: function(baseidx, direction) {
- var $this = this, item = this.items.eq(baseidx), i, z = baseidx, move = [], lastvisible, area = 0;
- if (direction == 1) {
- for (i=0;i<this.items.length;i++) {
- if (z != baseidx) {
- area += this.items.eq(z).data('width');
- move.push(this.items.eq(z));
- }
- if (area > this.vp) {
- break;
- }
- z = z+1 == this.items.length ? 0:z+1;
- }
- if (move.length) {
- move.forEach(function(itm){
- var left = item.data('area');
- itm.css({'left': left}).data({
- 'left' : left,
- 'area' : (left+itm.data('width')),
- 'center': (left - ($this.vp/2 - itm.data('cwidth')/2))
- });
- item = itm;
- });
- }
- } else {
- for (i=this.items.length-1;i >-1 ;i--) {
- area += this.items.eq(z).data('width');
- if (z != baseidx) {
- move.push(this.items.eq(z));
- }
- if (area > this.vp) {
- break;
- }
- z = z-1 == -1 ? this.items.length-1:z-1;
- }
- if (move.length) {
- move.forEach(function(itm){
- var left = item.data('left') - itm.data('width');
- itm.css({'left': left}).data({
- 'left' : left,
- 'area' : (left+itm.data('width')),
- 'center': (left - ($this.vp/2 - itm.data('cwidth')/2))
- });
- item = itm;
- });
- }
- }
- }
- });
- // handle dragging
- UI.$doc.on('mousemove.uikit.slider touchmove.uikit.slider', function(e) {
- if (e.originalEvent && e.originalEvent.touches) {
- e = e.originalEvent.touches[0];
- }
- if (delayIdle && Math.abs(e.pageX - delayIdle.x) > delayIdle.threshold) {
- if (!window.getSelection().toString()) {
- delayIdle(e);
- } else {
- dragging = delayIdle = false;
- }
- }
- if (!dragging) {
- return;
- }
- var x, xDiff, pos, dir, focus, item, next, diff, i, z, itm;
- if (e.clientX || e.clientY) {
- x = e.clientX;
- } else if (e.pageX || e.pageY) {
- x = e.pageX - document.body.scrollLeft - document.documentElement.scrollLeft;
- }
- focus = store.focus;
- xDiff = x - dragging.element.data('pointer-start').x;
- pos = dragging.element.data('pointer-pos-start') + xDiff;
- dir = x > dragging.element.data('pointer-start').x ? -1:1;
- item = dragging.items.eq(store.focus);
- if (dir == 1) {
- diff = item.data('left') + Math.abs(xDiff);
- for (i=0,z=store.focus;i<dragging.items.length;i++) {
- itm = dragging.items.eq(z);
- if (z != store.focus && itm.data('left') < diff && itm.data('area') > diff) {
- focus = z;
- break;
- }
- z = z+1 == dragging.items.length ? 0:z+1;
- }
- } else {
- diff = item.data('left') - Math.abs(xDiff);
- for (i=0,z=store.focus;i<dragging.items.length;i++) {
- itm = dragging.items.eq(z);
- if (z != store.focus && itm.data('area') <= item.data('left') && itm.data('center') < diff) {
- focus = z;
- break;
- }
- z = z-1 == -1 ? dragging.items.length-1:z-1;
- }
- }
- if (dragging.options.infinite && focus!=store._focus) {
- dragging.infinite(focus, dir);
- }
- dragging.updatePos(pos);
- store.dir = dir;
- store._focus = focus;
- store.touchx = parseInt(e.pageX, 10);
- store.diff = diff;
- });
- UI.$doc.on('mouseup.uikit.slider touchend.uikit.slider', function(e) {
- if (dragging) {
- dragging.container.removeClass('uk-drag');
- var item = dragging.items.eq(store.focus), itm, focus = false, i, z;
- if (store.dir == 1) {
- for (i=0,z=store.focus;i<dragging.items.length;i++) {
- itm = dragging.items.eq(z);
- if (z != store.focus && itm.data('left') > store.diff) {
- focus = z;
- break;
- }
- z = z+1 == dragging.items.length ? 0:z+1;
- }
- } else {
- for (i=0,z=store.focus;i<dragging.items.length;i++) {
- itm = dragging.items.eq(z);
- if (z != store.focus && itm.data('left') < store.diff) {
- focus = z;
- break;
- }
- z = z-1 == -1 ? dragging.items.length-1:z-1;
- }
- }
- dragging.updateFocus(focus!==false ? focus:store._focus);
- }
- dragging = delayIdle = false;
- });
- return UI.slider;
- });