2016-03-19 01:51:35 +00:00
|
|
|
/*! UIkit 2.25.0 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
|
2016-01-30 20:28:43 +00:00
|
|
|
(function(addon) {
|
|
|
|
|
|
|
|
|
|
var component;
|
|
|
|
|
|
|
|
|
|
if (window.UIkit) {
|
|
|
|
|
component = addon(UIkit);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (typeof define == "function" && define.amd) {
|
|
|
|
|
define("uikit-sticky", ["uikit"], function(){
|
|
|
|
|
return component || addon(UIkit);
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
})(function(UI){
|
|
|
|
|
|
|
|
|
|
"use strict";
|
|
|
|
|
|
|
|
|
|
var $win = UI.$win,
|
|
|
|
|
$doc = UI.$doc,
|
2016-03-19 01:51:35 +00:00
|
|
|
sticked = [],
|
|
|
|
|
direction = 1;
|
2016-01-30 20:28:43 +00:00
|
|
|
|
|
|
|
|
UI.component('sticky', {
|
|
|
|
|
|
|
|
|
|
defaults: {
|
|
|
|
|
top : 0,
|
|
|
|
|
bottom : 0,
|
|
|
|
|
animation : '',
|
|
|
|
|
clsinit : 'uk-sticky-init',
|
|
|
|
|
clsactive : 'uk-active',
|
2016-03-19 01:51:35 +00:00
|
|
|
clsinactive : '',
|
2016-01-30 20:28:43 +00:00
|
|
|
getWidthFrom : '',
|
2016-03-19 01:51:35 +00:00
|
|
|
showup : false,
|
2016-01-30 20:28:43 +00:00
|
|
|
boundary : false,
|
|
|
|
|
media : false,
|
|
|
|
|
target : false,
|
|
|
|
|
disabled : false
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
boot: function() {
|
|
|
|
|
|
|
|
|
|
// should be more efficient than using $win.scroll(checkscrollposition):
|
2016-03-19 01:51:35 +00:00
|
|
|
UI.$doc.on('scrolling.uk.document', function(e, data) {
|
|
|
|
|
if (!data || !data.dir) return;
|
|
|
|
|
direction = data.dir.y;
|
|
|
|
|
checkscrollposition();
|
|
|
|
|
});
|
|
|
|
|
|
2016-01-30 20:28:43 +00:00
|
|
|
UI.$win.on('resize orientationchange', UI.Utils.debounce(function() {
|
|
|
|
|
|
|
|
|
|
if (!sticked.length) return;
|
|
|
|
|
|
|
|
|
|
for (var i = 0; i < sticked.length; i++) {
|
|
|
|
|
sticked[i].reset(true);
|
2016-03-19 01:51:35 +00:00
|
|
|
//sticked[i].self.computeWrapper();
|
2016-01-30 20:28:43 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
checkscrollposition();
|
|
|
|
|
}, 100));
|
|
|
|
|
|
|
|
|
|
// init code
|
|
|
|
|
UI.ready(function(context) {
|
|
|
|
|
|
|
|
|
|
setTimeout(function(){
|
|
|
|
|
|
|
|
|
|
UI.$("[data-uk-sticky]", context).each(function(){
|
|
|
|
|
|
|
|
|
|
var $ele = UI.$(this);
|
|
|
|
|
|
|
|
|
|
if(!$ele.data("sticky")) {
|
|
|
|
|
UI.sticky($ele, UI.Utils.options($ele.attr('data-uk-sticky')));
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
checkscrollposition();
|
|
|
|
|
}, 0);
|
|
|
|
|
});
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
init: function() {
|
|
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
var boundary = this.options.boundary, boundtoparent;
|
2016-01-30 20:28:43 +00:00
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
this.wrapper = this.element.wrap('<div class="uk-sticky-placeholder"></div>').parent();
|
2016-01-30 20:28:43 +00:00
|
|
|
this.computeWrapper();
|
2016-03-19 01:51:35 +00:00
|
|
|
this.element.css('margin', 0);
|
2016-01-30 20:28:43 +00:00
|
|
|
|
|
|
|
|
if (boundary) {
|
|
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
if (boundary === true || boundary[0] === '!') {
|
2016-01-30 20:28:43 +00:00
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
boundary = boundary === true ? this.wrapper.parent() : this.wrapper.closest(boundary.substr(1));
|
2016-01-30 20:28:43 +00:00
|
|
|
boundtoparent = true;
|
|
|
|
|
|
|
|
|
|
} else if (typeof boundary === "string") {
|
|
|
|
|
boundary = UI.$(boundary);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
this.sticky = {
|
|
|
|
|
self : this,
|
|
|
|
|
options : this.options,
|
|
|
|
|
element : this.element,
|
|
|
|
|
currentTop : null,
|
|
|
|
|
wrapper : this.wrapper,
|
|
|
|
|
init : false,
|
2016-03-19 01:51:35 +00:00
|
|
|
getWidthFrom : UI.$(this.options.getWidthFrom || this.wrapper),
|
2016-01-30 20:28:43 +00:00
|
|
|
boundary : boundary,
|
|
|
|
|
boundtoparent : boundtoparent,
|
2016-03-19 01:51:35 +00:00
|
|
|
top : 0,
|
|
|
|
|
calcTop : function() {
|
|
|
|
|
|
|
|
|
|
var top = this.options.top;
|
|
|
|
|
|
|
|
|
|
// dynamic top parameter
|
|
|
|
|
if (this.options.top && typeof(this.options.top) == 'string') {
|
|
|
|
|
|
|
|
|
|
// e.g. 50vh
|
|
|
|
|
if (this.options.top.match(/^(-|)(\d+)vh$/)) {
|
|
|
|
|
top = window.innerHeight * parseInt(this.options.top, 10)/100;
|
|
|
|
|
// e.g. #elementId, or .class-1,class-2,.class-3 (first found is used)
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
|
|
var topElement = UI.$(this.options.top).first();
|
|
|
|
|
|
|
|
|
|
if (topElement.length && topElement.is(':visible')) {
|
|
|
|
|
top = -1 * ((topElement.offset().top + topElement.outerHeight()) - this.wrapper.offset().top);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
this.top = top;
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
reset: function(force) {
|
|
|
|
|
|
|
|
|
|
this.calcTop();
|
2016-01-30 20:28:43 +00:00
|
|
|
|
|
|
|
|
var finalize = function() {
|
|
|
|
|
this.element.css({"position":"", "top":"", "width":"", "left":"", "margin":"0"});
|
|
|
|
|
this.element.removeClass([this.options.animation, 'uk-animation-reverse', this.options.clsactive].join(' '));
|
2016-03-19 01:51:35 +00:00
|
|
|
this.element.addClass(this.options.clsinactive);
|
|
|
|
|
this.element.trigger('inactive.uk.sticky');
|
2016-01-30 20:28:43 +00:00
|
|
|
|
|
|
|
|
this.currentTop = null;
|
|
|
|
|
this.animate = false;
|
|
|
|
|
}.bind(this);
|
|
|
|
|
|
|
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
if (!force && this.options.animation && UI.support.animation && !UI.Utils.isInView(this.wrapper)) {
|
2016-01-30 20:28:43 +00:00
|
|
|
|
|
|
|
|
this.animate = true;
|
|
|
|
|
|
|
|
|
|
this.element.removeClass(this.options.animation).one(UI.support.animation.end, function(){
|
|
|
|
|
finalize();
|
|
|
|
|
}).width(); // force redraw
|
|
|
|
|
|
|
|
|
|
this.element.addClass(this.options.animation+' '+'uk-animation-reverse');
|
|
|
|
|
} else {
|
|
|
|
|
finalize();
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
check: function() {
|
|
|
|
|
|
|
|
|
|
if (this.options.disabled) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (this.options.media) {
|
|
|
|
|
|
|
|
|
|
switch(typeof(this.options.media)) {
|
|
|
|
|
case 'number':
|
|
|
|
|
if (window.innerWidth < this.options.media) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case 'string':
|
|
|
|
|
if (window.matchMedia && !window.matchMedia(this.options.media).matches) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var scrollTop = $win.scrollTop(),
|
|
|
|
|
documentHeight = $doc.height(),
|
|
|
|
|
dwh = documentHeight - window.innerHeight,
|
|
|
|
|
extra = (scrollTop > dwh) ? dwh - scrollTop : 0,
|
|
|
|
|
elementTop = this.wrapper.offset().top,
|
2016-03-19 01:51:35 +00:00
|
|
|
etse = elementTop - this.top - extra,
|
|
|
|
|
active = (scrollTop >= etse);
|
|
|
|
|
|
|
|
|
|
if (active && this.options.showup) {
|
|
|
|
|
|
|
|
|
|
// set inactiv if scrolling down
|
|
|
|
|
if (direction == 1) {
|
|
|
|
|
active = false;
|
|
|
|
|
}
|
2016-01-30 20:28:43 +00:00
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
// set inactive when wrapper is still in view
|
|
|
|
|
if (direction == -1 && !this.element.hasClass(this.options.clsactive) && UI.Utils.isInView(this.wrapper)) {
|
|
|
|
|
active = false;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return active;
|
2016-01-30 20:28:43 +00:00
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
this.sticky.calcTop();
|
|
|
|
|
|
2016-01-30 20:28:43 +00:00
|
|
|
sticked.push(this.sticky);
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
update: function() {
|
|
|
|
|
checkscrollposition(this.sticky);
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
enable: function() {
|
|
|
|
|
this.options.disabled = false;
|
|
|
|
|
this.update();
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
disable: function(force) {
|
|
|
|
|
this.options.disabled = true;
|
|
|
|
|
this.sticky.reset(force);
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
computeWrapper: function() {
|
|
|
|
|
|
|
|
|
|
this.wrapper.css({
|
2016-03-19 01:51:35 +00:00
|
|
|
'height' : ['absolute','fixed'].indexOf(this.element.css('position')) == -1 ? this.element.outerHeight() : '',
|
|
|
|
|
'float' : this.element.css('float') != 'none' ? this.element.css('float') : '',
|
|
|
|
|
'margin' : this.element.css('margin')
|
2016-01-30 20:28:43 +00:00
|
|
|
});
|
2016-03-19 01:51:35 +00:00
|
|
|
|
|
|
|
|
if (this.element.css('position') == 'fixed') {
|
|
|
|
|
this.element.css({
|
|
|
|
|
width: this.sticky.getWidthFrom.length ? this.sticky.getWidthFrom.width() : this.element.width()
|
|
|
|
|
});
|
|
|
|
|
}
|
2016-01-30 20:28:43 +00:00
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
function checkscrollposition(direction) {
|
2016-01-30 20:28:43 +00:00
|
|
|
|
|
|
|
|
var stickies = arguments.length ? arguments : sticked;
|
|
|
|
|
|
|
|
|
|
if (!stickies.length || $win.scrollTop() < 0) return;
|
|
|
|
|
|
|
|
|
|
var scrollTop = $win.scrollTop(),
|
|
|
|
|
documentHeight = $doc.height(),
|
|
|
|
|
windowHeight = $win.height(),
|
|
|
|
|
dwh = documentHeight - windowHeight,
|
|
|
|
|
extra = (scrollTop > dwh) ? dwh - scrollTop : 0,
|
|
|
|
|
newTop, containerBottom, stickyHeight, sticky;
|
|
|
|
|
|
|
|
|
|
for (var i = 0; i < stickies.length; i++) {
|
|
|
|
|
|
|
|
|
|
sticky = stickies[i];
|
|
|
|
|
|
|
|
|
|
if (!sticky.element.is(":visible") || sticky.animate) {
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!sticky.check()) {
|
|
|
|
|
|
|
|
|
|
if (sticky.currentTop !== null) {
|
|
|
|
|
sticky.reset();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
if (sticky.top < 0) {
|
2016-01-30 20:28:43 +00:00
|
|
|
newTop = 0;
|
|
|
|
|
} else {
|
|
|
|
|
stickyHeight = sticky.element.outerHeight();
|
2016-03-19 01:51:35 +00:00
|
|
|
newTop = documentHeight - stickyHeight - sticky.top - sticky.options.bottom - scrollTop - extra;
|
|
|
|
|
newTop = newTop < 0 ? newTop + sticky.top : sticky.top;
|
2016-01-30 20:28:43 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (sticky.boundary && sticky.boundary.length) {
|
|
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
var bTop = sticky.boundary.offset().top;
|
2016-01-30 20:28:43 +00:00
|
|
|
|
|
|
|
|
if (sticky.boundtoparent) {
|
|
|
|
|
containerBottom = documentHeight - (bTop + sticky.boundary.outerHeight()) + parseInt(sticky.boundary.css('padding-bottom'));
|
|
|
|
|
} else {
|
|
|
|
|
containerBottom = documentHeight - bTop - parseInt(sticky.boundary.css('margin-top'));
|
|
|
|
|
}
|
|
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
newTop = (scrollTop + stickyHeight) > (documentHeight - containerBottom - (sticky.top < 0 ? 0 : sticky.top)) ? (documentHeight - containerBottom) - (scrollTop + stickyHeight) : newTop;
|
2016-01-30 20:28:43 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (sticky.currentTop != newTop) {
|
|
|
|
|
|
|
|
|
|
sticky.element.css({
|
2016-03-19 01:51:35 +00:00
|
|
|
position : "fixed",
|
|
|
|
|
top : newTop,
|
|
|
|
|
width : sticky.getWidthFrom.length ? sticky.getWidthFrom.width() : sticky.element.width()
|
2016-01-30 20:28:43 +00:00
|
|
|
});
|
|
|
|
|
|
|
|
|
|
if (!sticky.init) {
|
|
|
|
|
|
|
|
|
|
sticky.element.addClass(sticky.options.clsinit);
|
|
|
|
|
|
|
|
|
|
if (location.hash && scrollTop > 0 && sticky.options.target) {
|
|
|
|
|
|
|
|
|
|
var $target = UI.$(location.hash);
|
|
|
|
|
|
|
|
|
|
if ($target.length) {
|
|
|
|
|
|
|
|
|
|
setTimeout((function($target, sticky){
|
|
|
|
|
|
|
|
|
|
return function() {
|
|
|
|
|
|
|
|
|
|
sticky.element.width(); // force redraw
|
|
|
|
|
|
|
|
|
|
var offset = $target.offset(),
|
|
|
|
|
maxoffset = offset.top + $target.outerHeight(),
|
|
|
|
|
stickyOffset = sticky.element.offset(),
|
|
|
|
|
stickyHeight = sticky.element.outerHeight(),
|
|
|
|
|
stickyMaxOffset = stickyOffset.top + stickyHeight;
|
|
|
|
|
|
|
|
|
|
if (stickyOffset.top < maxoffset && offset.top < stickyMaxOffset) {
|
|
|
|
|
scrollTop = offset.top - stickyHeight - sticky.options.target;
|
|
|
|
|
window.scrollTo(0, scrollTop);
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
})($target, sticky), 0);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
sticky.element.addClass(sticky.options.clsactive).removeClass(sticky.options.clsinactive);
|
|
|
|
|
sticky.element.trigger('active.uk.sticky');
|
2016-01-30 20:28:43 +00:00
|
|
|
sticky.element.css('margin', '');
|
|
|
|
|
|
2016-03-19 01:51:35 +00:00
|
|
|
if (sticky.options.animation && sticky.init && !UI.Utils.isInView(sticky.wrapper)) {
|
2016-01-30 20:28:43 +00:00
|
|
|
sticky.element.addClass(sticky.options.animation);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sticky.currentTop = newTop;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sticky.init = true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return UI.sticky;
|
|
|
|
|
});
|
