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11 lines
9.3 KiB
11 lines
9.3 KiB
/*!
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* # Semantic UI 1.10.4 - Sticky
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* http://github.com/semantic-org/semantic-ui/
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*
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*
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* Copyright 2014 Contributorss
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* Released under the MIT license
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* http://opensource.org/licenses/MIT
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*
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*/
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d.instantiate()))},instantiate:function(){d.verbose("Storing instance of module",d),T=d,C.data(x,d)},destroy:function(){d.verbose("Destroying previous module"),d.reset(),u&&u.disconnect(),S.off("resize"+v,d.event.resize),k.off("scroll"+v,d.event.scroll),C.removeData(x)},observeChanges:function(){var e=s[0];"MutationObserver"in t&&(u=new MutationObserver(function(){clearTimeout(d.timer),d.timer=setTimeout(function(){d.verbose("DOM tree modified, updating sticky menu"),d.refresh()},20)}),u.observe(z,{childList:!0,subtree:!0}),u.observe(e,{childList:!0,subtree:!0}),d.debug("Setting up mutation observer",u))},event:{resize:function(){w(function(){d.refresh(),d.stick()})},scroll:function(){w(function(){d.stick(),h.onScroll.call(z)})}},refresh:function(e){d.reset(),e&&(y=C.offsetParent()),d.save.positions(),d.stick(),h.onReposition.call(z)},supports:{sticky:function(){{var t=e("<div/>");t.get()}return 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d.is.top()?Math.abs(parseInt(C.css("top"),10))||0:Math.abs(parseInt(C.css("bottom"),10))||0},elementScroll:function(e){e=e||k.scrollTop();var t,o=d.cache.element,n=d.cache.window,i=d.get.scrollChange(e),s=o.height-n.height+h.offset,r=d.get.currentElementScroll(),c=r+i;return t=d.cache.fits||0>c?0:c>s?s:c}},remove:{offset:function(){C.css("margin-top","")}},set:{offset:function(){d.verbose("Setting offset on element",h.offset),C.css("margin-top",h.offset)},containerSize:function(){var e=y.get(0).tagName;"HTML"===e||"body"==e?y=C.offsetParent():(d.debug("Settings container size",d.cache.context.height),Math.abs(y.height()-d.cache.context.height)>5&&y.height(d.cache.context.height))},scroll:function(e){d.debug("Setting scroll on element",e),d.is.top()&&C.css("bottom","").css("top",-e),d.is.bottom()&&C.css("top","").css("bottom",e)},size:function(){0!==d.cache.element.height&&0!==d.cache.element.width&&C.css({width:d.cache.element.width,height:d.cache.element.height})}},is:{top:function(){return C.hasClass(g.top)},bottom:function(){return C.hasClass(g.bottom)},initialPosition:function(){return!d.is.fixed()&&!d.is.bound()},hidden:function(){return!C.is(":visible")},bound:function(){return C.hasClass(g.bound)},fixed:function(){return C.hasClass(g.fixed)}},stick:function(){var e=d.cache,t=e.fits,o=e.element,n=e.window,i=e.context,s=d.is.bottom()&&h.pushing?h.bottomOffset:h.offset,r={top:k.scrollTop()+s,bottom:k.scrollTop()+s+n.height},c=(d.get.direction(r.top),d.get.elementScroll(r.top)),a=!t,l=0!==o.height;d.save.scroll(r.top),l&&(d.is.initialPosition()?r.top>=o.top&&(d.debug("Element passed, fixing element to page"),d.fixTop()):d.is.fixed()?d.is.top()?r.top<o.top?(d.debug("Fixed element reached top of container"),d.setInitialPosition()):o.height+r.top-c>i.bottom?(d.debug("Fixed element reached bottom of container"),d.bindBottom()):a&&d.set.scroll(c):d.is.bottom()&&(r.bottom-o.height<o.top?(d.debug("Bottom fixed rail has reached top of container"),d.setInitialPosition()):r.bottom>i.bottom?(d.debug("Bottom fixed rail has reached bottom of container"),d.bindBottom()):a&&d.set.scroll(c)):d.is.bottom()&&(h.pushing?d.is.bound()&&r.bottom<i.bottom&&(d.debug("Fixing bottom attached element to bottom of browser."),d.fixBottom()):d.is.bound()&&r.top<i.bottom-o.height&&(d.debug("Fixing bottom attached element to top of browser."),d.fixTop())))},bindTop:function(){d.debug("Binding element to top of parent container"),d.remove.offset(),C.css("left","").css("top","").css("bottom","").removeClass(g.fixed).removeClass(g.bottom).addClass(g.bound).addClass(g.top),h.onTop.call(z),h.onUnstick.call(z)},bindBottom:function(){d.debug("Binding element to bottom of parent container"),d.remove.offset(),C.css("left","").css("top","").css("bottom","").removeClass(g.fixed).removeClass(g.top).addClass(g.bound).addClass(g.bottom),h.onBottom.call(z),h.onUnstick.call(z)},setInitialPosition:function(){d.unfix(),d.unbind()},fixTop:function(){d.debug("Fixing element to top of page"),d.set.offset(),C.css("left",d.cache.element.left).removeClass(g.bound).removeClass(g.bottom).addClass(g.fixed).addClass(g.top),h.onStick.call(z)},fixBottom:function(){d.debug("Sticking element to bottom of page"),d.set.offset(),C.css("left",d.cache.element.left).removeClass(g.bound).removeClass(g.top).addClass(g.fixed).addClass(g.bottom),h.onStick.call(z)},unbind:function(){d.debug("Removing absolute position on element"),d.remove.offset(),C.removeClass(g.bound).removeClass(g.top).removeClass(g.bottom)},unfix:function(){d.debug("Removing fixed position on 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