483 lines
14 KiB
JavaScript
483 lines
14 KiB
JavaScript
/*! 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;
|
|
});
|