From c94fb32c7a3c28b18a27460aa2447eeec1fac1de Mon Sep 17 00:00:00 2001 From: Pascal Szewczyk Date: Mon, 18 Jul 2016 23:23:54 +0200 Subject: uikit added --- js/components/sticky.js | 364 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 364 insertions(+) create mode 100755 js/components/sticky.js (limited to 'js/components/sticky.js') diff --git a/js/components/sticky.js b/js/components/sticky.js new file mode 100755 index 0000000..2765f19 --- /dev/null +++ b/js/components/sticky.js @@ -0,0 +1,364 @@ +/*! UIkit 2.26.4 | 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-sticky", ["uikit"], function(){ + return component || addon(UIkit); + }); + } + +})(function(UI){ + + "use strict"; + + var $win = UI.$win, + $doc = UI.$doc, + sticked = [], + direction = 1; + + UI.component('sticky', { + + defaults: { + top : 0, + bottom : 0, + animation : '', + clsinit : 'uk-sticky-init', + clsactive : 'uk-active', + clsinactive : '', + getWidthFrom : '', + showup : false, + boundary : false, + media : false, + target : false, + disabled : false + }, + + boot: function() { + + // should be more efficient than using $win.scroll(checkscrollposition): + UI.$doc.on('scrolling.uk.document', function(e, data) { + if (!data || !data.dir) return; + direction = data.dir.y; + checkscrollposition(); + }); + + UI.$win.on('resize orientationchange', UI.Utils.debounce(function() { + + if (!sticked.length) return; + + for (var i = 0; i < sticked.length; i++) { + sticked[i].reset(true); + sticked[i].self.computeWrapper(); + } + + checkscrollposition(); + }, 100)); + + // init code + UI.ready(function(context) { + + setTimeout(function(){ + + UI.$("[data-uk-sticky]", context).each(function(){ + + var $ele = UI.$(this); + + if (!$ele.data("sticky")) { + UI.sticky($ele, UI.Utils.options($ele.attr('data-uk-sticky'))); + } + }); + + checkscrollposition(); + }, 0); + }); + }, + + init: function() { + + var boundary = this.options.boundary, boundtoparent; + + this.wrapper = this.element.wrap('
').parent(); + this.computeWrapper(); + this.wrapper.css({ + 'margin-top' : this.element.css('margin-top'), + 'margin-bottom' : this.element.css('margin-bottom'), + 'margin-left' : this.element.css('margin-left'), + 'margin-right' : this.element.css('margin-right') + }) + this.element.css('margin', 0); + + if (boundary) { + + if (boundary === true || boundary[0] === '!') { + + boundary = boundary === true ? this.wrapper.parent() : this.wrapper.closest(boundary.substr(1)); + boundtoparent = true; + + } else if (typeof boundary === "string") { + boundary = UI.$(boundary); + } + } + + this.sticky = { + self : this, + options : this.options, + element : this.element, + currentTop : null, + wrapper : this.wrapper, + init : false, + getWidthFrom : UI.$(this.options.getWidthFrom || this.wrapper), + boundary : boundary, + boundtoparent : boundtoparent, + top : 0, + calcTop : function() { + + var top = this.options.top; + + // dynamic top parameter + if (this.options.top && typeof(this.options.top) == 'string') { + + // e.g. 50vh + if (this.options.top.match(/^(-|)(\d+)vh$/)) { + 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(); + + 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(' ')); + this.element.addClass(this.options.clsinactive); + this.element.trigger('inactive.uk.sticky'); + + this.currentTop = null; + this.animate = false; + + }.bind(this); + + + if (!force && this.options.animation && UI.support.animation && !UI.Utils.isInView(this.wrapper)) { + + 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, + etse = elementTop - this.top - extra, + active = (scrollTop >= etse); + + if (active && this.options.showup) { + + // set inactiv if scrolling down + if (direction == 1) { + active = false; + } + + // 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; + } + }; + + this.sticky.calcTop(); + + 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({ + 'height' : ['absolute','fixed'].indexOf(this.element.css('position')) == -1 ? this.element.outerHeight() : '', + 'float' : this.element.css('float') != 'none' ? this.element.css('float') : '' + }); + + if (this.element.css('position') == 'fixed') { + this.element.css({ + width: this.sticky.getWidthFrom.length ? this.sticky.getWidthFrom.width() : this.element.width() + }); + } + } + }); + + function checkscrollposition(direction) { + + 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 { + + if (sticky.top < 0) { + newTop = 0; + } else { + stickyHeight = sticky.element.outerHeight(); + newTop = documentHeight - stickyHeight - sticky.top - sticky.options.bottom - scrollTop - extra; + newTop = newTop < 0 ? newTop + sticky.top : sticky.top; + } + + if (sticky.boundary && sticky.boundary.length) { + + var bTop = sticky.boundary.offset().top; + + if (sticky.boundtoparent) { + containerBottom = documentHeight - (bTop + sticky.boundary.outerHeight()) + parseInt(sticky.boundary.css('padding-bottom')); + } else { + containerBottom = documentHeight - bTop; + } + + newTop = (scrollTop + stickyHeight) > (documentHeight - containerBottom - (sticky.top < 0 ? 0 : sticky.top)) ? (documentHeight - containerBottom) - (scrollTop + stickyHeight) : newTop; + } + + + if (sticky.currentTop != newTop) { + + sticky.element.css({ + position : "fixed", + top : newTop, + width : sticky.getWidthFrom.length ? sticky.getWidthFrom.width() : sticky.element.width() + }); + + 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); + } + } + } + + sticky.element.addClass(sticky.options.clsactive).removeClass(sticky.options.clsinactive); + sticky.element.trigger('active.uk.sticky'); + sticky.element.css('margin', ''); + + if (sticky.options.animation && sticky.init && !UI.Utils.isInView(sticky.wrapper)) { + sticky.element.addClass(sticky.options.animation); + } + + sticky.currentTop = newTop; + } + } + + sticky.init = true; + } + } + + return UI.sticky; +}); -- cgit v1.2.3