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jquery.mCustomScrollbar.js

jquery.mCustomScrollbar.js 36 KB
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123 
  1. /* == malihu jquery custom scrollbar plugin == Version: 3.0.7, License: MIT License (MIT) */
    2. 

  2. !function(e,t,a){!function(t){var o="function"==typeof define&&define.amd,n="https:"==a.location.protocol?"https:":"http:",i="cdnjs.cloudflare.com/ajax/libs/jquery-mousewheel/3.1.12/jquery.mousewheel.min.js";o||e.event.special.mousewheel||e("head").append(decodeURI("%3Cscript src="+n+"//"+i+"%3E%3C/script%3E")),t()}(function(){var o,n="mCustomScrollbar",i="mCS",r=".mCustomScrollbar",l={setTop:0,setLeft:0,axis:"y",scrollbarPosition:"inside",scrollInertia:950,autoDraggerLength:!0,alwaysShowScrollbar:0,snapOffset:0,mouseWheel:{enable:!0,scrollAmount:"auto",axis:"y",deltaFactor:"auto",disableOver:["select","option","keygen","datalist","textarea"]},scrollButtons:{scrollType:"stepless",scrollAmount:"auto"},keyboard:{enable:!0,scrollType:"stepless",scrollAmount:"auto"},contentTouchScroll:25,advanced:{autoScrollOnFocus:"input,textarea,select,button,datalist,keygen,a[tabindex],area,object,[contenteditable='true']",updateOnContentResize:!0,updateOnImageLoad:!0},theme:"light",callbacks:{onTotalScrollOffset:0,onTotalScrollBackOffset:0,alwaysTriggerOffsets:!0}},s=0,c={},d=t.attachEvent&&!t.addEventListener?1:0,u=!1,f=["mCSB_dragger_onDrag","mCSB_scrollTools_onDrag","mCS_img_loaded","mCS_disabled","mCS_destroyed","mCS_no_scrollbar","mCS-autoHide","mCS-dir-rtl","mCS_no_scrollbar_y","mCS_no_scrollbar_x","mCS_y_hidden","mCS_x_hidden","mCSB_draggerContainer","mCSB_buttonUp","mCSB_buttonDown","mCSB_buttonLeft","mCSB_buttonRight"],h={init:function(t){var t=e.extend(!0,{},l,t),a=m.call(this);if(t.live){var o=t.liveSelector||this.selector||r,n=e(o);if("off"===t.live)return void g(o);c[o]=setTimeout(function(){n.mCustomScrollbar(t),"once"===t.live&&n.length&&g(o)},500)}else g(o);return t.setWidth=t.set_width?t.set_width:t.setWidth,t.setHeight=t.set_height?t.set_height:t.setHeight,t.axis=t.horizontalScroll?"x":v(t.axis),t.scrollInertia=t.scrollInertia>0&&t.scrollInertia<17?17:t.scrollInertia,"object"!=typeof t.mouseWheel&&1==t.mouseWheel&&(t.mouseWheel={enable:!0,scrollAmount:"auto",axis:"y",preventDefault:!1,deltaFactor:"auto",normalizeDelta:!1,invert:!1}),t.mouseWheel.scrollAmount=t.mouseWheelPixels?t.mouseWheelPixels:t.mouseWheel.scrollAmount,t.mouseWheel.normalizeDelta=t.advanced.normalizeMouseWheelDelta?t.advanced.normalizeMouseWheelDelta:t.mouseWheel.normalizeDelta,t.scrollButtons.scrollType=x(t.scrollButtons.scrollType),p(t),e(a).each(function(){var a=e(this);if(!a.data(i)){a.data(i,{idx:++s,opt:t,scrollRatio:{y:null,x:null},overflowed:null,contentReset:{y:null,x:null},bindEvents:!1,tweenRunning:!1,sequential:{},langDir:a.css("direction"),cbOffsets:null,trigger:null});var o=a.data(i),n=o.opt,r=a.data("mcs-axis"),l=a.data("mcs-scrollbar-position"),c=a.data("mcs-theme");r&&(n.axis=r),l&&(n.scrollbarPosition=l),c&&(n.theme=c,p(n)),_.call(this),e("#mCSB_"+o.idx+"_container img:not(."+f[2]+")").addClass(f[2]),h.update.call(null,a)}})},update:function(t,a){var o=t||m.call(this);return e(o).each(function(){var t=e(this);if(t.data(i)){var o=t.data(i),n=o.opt,r=e("#mCSB_"+o.idx+"_container"),l=[e("#mCSB_"+o.idx+"_dragger_vertical"),e("#mCSB_"+o.idx+"_dragger_horizontal")];if(!r.length)return;o.tweenRunning&&Q(t),t.hasClass(f[3])&&t.removeClass(f[3]),t.hasClass(f[4])&&t.removeClass(f[4]),C.call(this),w.call(this),"y"===n.axis||n.advanced.autoExpandHorizontalScroll||r.css("width",S(r.children())),o.overflowed=k.call(this),R.call(this),n.autoDraggerLength&&y.call(this),B.call(this),O.call(this);var s=[Math.abs(r[0].offsetTop),Math.abs(r[0].offsetLeft)];"x"!==n.axis&&(o.overflowed[0]?l[0].height()>l[0].parent().height()?M.call(this):(G(t,s[0].toString(),{dir:"y",dur:0,overwrite:"none"}),o.contentReset.y=null):(M.call(this),"y"===n.axis?I.call(this):"yx"===n.axis&&o.overflowed[1]&&G(t,s[1].toString(),{dir:"x",dur:0,overwrite:"none"}))),"y"!==n.axis&&(o.overflowed[1]?l[1].width()>l[1].parent().width()?M.call(this):(G(t,s[1].toString(),{dir:"x",dur:0,overwrite:"none"}),o.contentReset.x=null):(M.call(this),"x"===n.axis?I.call(this):"yx"===n.axis&&o.overflowed[0]&&G(t,s[0].toString(),{dir:"y",dur:0,overwrite:"none"}))),a&&o&&(2===a&&n.callbacks.onImageLoad&&"function"==typeof n.callbacks.onImageLoad?n.callbacks.onImageLoad.call(this):3===a&&n.callbacks.onSelectorChange&&"function"==typeof n.callbacks.onSelectorChange?n.callbacks.onSelectorChange.call(this):n.callbacks.onUpdate&&"function"==typeof n.callbacks.onUpdate&&n.callbacks.onUpdate.call(this)),N.call(this)}})},scrollTo:function(t,a){if("undefined"!=typeof t&&null!=t){var o=m.call(this);return e(o).each(function(){var o=e(this);if(o.data(i)){var n=o.data(i),r=n.opt,l={trigger:"external",scrollInertia:r.scrollInertia,scrollEasing:"mcsEaseInOut",moveDragger:!1,timeout:60,callbacks:!0,onStart:!0,onUpdate:!0,onComplete:!0},s=e.extend(!0,{},l,a),c=Y.call(this,t),d=s.scrollInertia>0&&s.scrollInertia<17?17:s.scrollInertia;c[0]=X.call(this,c[0],"y"),c[1]=X.call(this,c[1],"x"),s.moveDragger&&(c[0]*=n.scrollRatio.y,c[1]*=n.scrollRatio.x),s.dur=d,setTimeout(function(){null!==c[0]&&"undefined"!=typeof c[0]&&"x"!==r.axis&&n.overflowed[0]&&(s.dir="y",s.overwrite="all",G(o,c[0].toString(),s)),null!==c[1]&&"undefined"!=typeof c[1]&&"y"!==r.axis&&n.overflowed[1]&&(s.dir="x",s.overwrite="none",G(o,c[1].toString(),s))},s.timeout)}})}},stop:function(){var t=m.call(this);return e(t).each(function(){var t=e(this);t.data(i)&&Q(t)})},disable:function(t){var a=m.call(this);return e(a).each(function(){var a=e(this);if(a.data(i)){{a.data(i)}N.call(this,"remove"),I.call(this),t&&M.call(this),R.call(this,!0),a.addClass(f[3])}})},destroy:function(){var t=m.call(this);return e(t).each(function(){var a=e(this);if(a.data(i)){var o=a.data(i),r=o.opt,l=e("#mCSB_"+o.idx),s=e("#mCSB_"+o.idx+"_container"),c=e(".mCSB_"+o.idx+"_scrollbar");r.live&&g(r.liveSelector||e(t).selector),N.call(this,"remove"),I.call(this),M.call(this),a.removeData(i),$(this,"mcs"),c.remove(),s.find("img."+f[2]).removeClass(f[2]),l.replaceWith(s.contents()),a.removeClass(n+" _"+i+"_"+o.idx+" "+f[6]+" "+f[7]+" "+f[5]+" "+f[3]).addClass(f[4])}})}},m=function(){return"object"!=typeof e(this)||e(this).length<1?r:this},p=function(t){var a=["rounded","rounded-dark","rounded-dots","rounded-dots-dark"],o=["rounded-dots","rounded-dots-dark","3d","3d-dark","3d-thick","3d-thick-dark","inset","inset-dark","inset-2","inset-2-dark","inset-3","inset-3-dark"],n=["minimal","minimal-dark"],i=["minimal","minimal-dark"],r=["minimal","minimal-dark"];t.autoDraggerLength=e.inArray(t.theme,a)>-1?!1:t.autoDraggerLength,t.autoExpandScrollbar=e.inArray(t.theme,o)>-1?!1:t.autoExpandScrollbar,t.scrollButtons.enable=e.inArray(t.theme,n)>-1?!1:t.scrollButtons.enable,t.autoHideScrollbar=e.inArray(t.theme,i)>-1?!0:t.autoHideScrollbar,t.scrollbarPosition=e.inArray(t.theme,r)>-1?"outside":t.scrollbarPosition},g=function(e){c[e]&&(clearTimeout(c[e]),$(c,e))},v=function(e){return"yx"===e||"xy"===e||"auto"===e?"yx":"x"===e||"horizontal"===e?"x":"y"},x=function(e){return"stepped"===e||"pixels"===e||"step"===e||"click"===e?"stepped":"stepless"},_=function(){var t=e(this),a=t.data(i),o=a.opt,r=o.autoExpandScrollbar?" "+f[1]+"_expand":"",l=["<div id='mCSB_"+a.idx+"_scrollbar_vertical' class='mCSB_scrollTools mCSB_"+a.idx+"_scrollbar mCS-"+o.theme+" mCSB_scrollTools_vertical"+r+"'><div class='"+f[12]+"'><div id='mCSB_"+a.idx+"_dragger_vertical' class='mCSB_dragger' style='position:absolute;' oncontextmenu='return false;'><div class='mCSB_dragger_bar' /></div><div class='mCSB_draggerRail' /></div></div>","<div id='mCSB_"+a.idx+"_scrollbar_horizontal' class='mCSB_scrollTools mCSB_"+a.idx+"_scrollbar mCS-"+o.theme+" mCSB_scrollTools_horizontal"+r+"'><div class='"+f[12]+"'><div id='mCSB_"+a.idx+"_dragger_horizontal' class='mCSB_dragger' style='position:absolute;' oncontextmenu='return false;'><div class='mCSB_dragger_bar' /></div><div class='mCSB_draggerRail' /></div></div>"],s="yx"===o.axis?"mCSB_vertical_horizontal":"x"===o.axis?"mCSB_horizontal":"mCSB_vertical",c="yx"===o.axis?l[0]+l[1]:"x"===o.axis?l[1]:l[0],d="yx"===o.axis?"<div id='mCSB_"+a.idx+"_container_wrapper' class='mCSB_container_wrapper' />":"",u=o.autoHideScrollbar?" "+f[6]:"",h="x"!==o.axis&&"rtl"===a.langDir?" "+f[7]:"";o.setWidth&&t.css("width",o.setWidth),o.setHeight&&t.css("height",o.setHeight),o.setLeft="y"!==o.axis&&"rtl"===a.langDir?"989999px":o.setLeft,t.addClass(n+" _"+i+"_"+a.idx+u+h).wrapInner("<div id='mCSB_"+a.idx+"' class='mCustomScrollBox mCS-"+o.theme+" "+s+"'><div id='mCSB_"+a.idx+"_container' class='mCSB_container' style='position:relative; top:"+o.setTop+"; left:"+o.setLeft+";' dir="+a.langDir+" /></div>");var m=e("#mCSB_"+a.idx),p=e("#mCSB_"+a.idx+"_container");"y"===o.axis||o.advanced.autoExpandHorizontalScroll||p.css("width",S(p.children())),"outside"===o.scrollbarPosition?("static"===t.css("position")&&t.css("position","relative"),t.css("overflow","visible"),m.addClass("mCSB_outside").after(c)):(m.addClass("mCSB_inside").append(c),p.wrap(d)),b.call(this);var g=[e("#mCSB_"+a.idx+"_dragger_vertical"),e("#mCSB_"+a.idx+"_dragger_horizontal")];g[0].css("min-height",g[0].height()),g[1].css("min-width",g[1].width())},S=function(t){return Math.max.apply(Math,t.map(function(){return e(this).outerWidth(!0)}).get())},w=function(){var t=e(this),a=t.data(i),o=a.opt,n=e("#mCSB_"+a.idx+"_container");o.advanced.autoExpandHorizontalScroll&&"y"!==o.axis&&n.css({position:"absolute",width:"auto"}).wrap("<div class='mCSB_h_wrapper' style='position:relative; left:0; width:999999px;' />").css({width:Math.ceil(n[0].getBoundingClientRect().right+.4)-Math.floor(n[0].getBoundingClientRect().left),position:"relative"}).unwrap()},b=function(){var t=e(this),a=t.data(i),o=a.opt,n=e(".mCSB_"+a.idx+"_scrollbar:first"),r=at(o.scrollButtons.tabindex)?"tabindex='"+o.scrollButtons.tabindex+"'":"",l=["<a href='#' class='"+f[13]+"' oncontextmenu='return false;' "+r+" />","<a href='#' class='"+f[14]+"' oncontextmenu='return false;' "+r+" />","<a href='#' class='"+f[15]+"' oncontextmenu='return false;' "+r+" />","<a href='#' class='"+f[16]+"' oncontextmenu='return false;' "+r+" />"],s=["x"===o.axis?l[2]:l[0],"x"===o.axis?l[3]:l[1],l[2],l[3]];o.scrollButtons.enable&&n.prepend(s[0]).append(s[1]).next(".mCSB_scrollTools").prepend(s[2]).append(s[3])},C=function(){var t=e(this),a=t.data(i),o=e("#mCSB_"+a.idx),n=t.css("max-height")||"none",r=-1!==n.indexOf("%"),l=t.css("box-sizing");if("none"!==n){var s=r?t.parent().height()*parseInt(n)/100:parseInt(n);"border-box"===l&&(s-=t.innerHeight()-t.height()+(t.outerHeight()-t.innerHeight())),o.css("max-height",Math.round(s))}},y=function(){var t=e(this),a=t.data(i),o=e("#mCSB_"+a.idx),n=e("#mCSB_"+a.idx+"_container"),r=[e("#mCSB_"+a.idx+"_dragger_vertical"),e("#mCSB_"+a.idx+"_dragger_horizontal")],l=[o.height()/n.outerHeight(!1),o.width()/n.outerWidth(!1)],s=[parseInt(r[0].css("min-height")),Math.round(l[0]*r[0].parent().height()),parseInt(r[1].css("min-width")),Math.round(l[1]*r[1].parent().width())],c=d&&s[1]<s[0]?s[0]:s[1],u=d&&s[3]<s[2]?s[2]:s[3];r[0].css({height:c,"max-height":r[0].parent().height()-10}).find(".mCSB_dragger_bar").css({"line-height":s[0]+"px"}),r[1].css({width:u,"max-width":r[1].parent().width()-10})},B=function(){var t=e(this),a=t.data(i),o=e("#mCSB_"+a.idx),n=e("#mCSB_"+a.idx+"_container"),r=[e("#mCSB_"+a.idx+"_dragger_vertical"),e("#mCSB_"+a.idx+"_dragger_horizontal")],l=[n.outerHeight(!1)-o.height(),n.outerWidth(!1)-o.width()],s=[l[0]/(r[0].parent().height()-r[0].height()),l[1]/(r[1].parent().width()-r[1].width())];a.scrollRatio={y:s[0],x:s[1]}},T=function(e,t,a){var o=a?f[0]+"_expanded":"",n=e.closest(".mCSB_scrollTools");"active"===t?(e.toggleClass(f[0]+" "+o),n.toggleClass(f[1]),e[0]._draggable=e[0]._draggable?0:1):e[0]._draggable||("hide"===t?(e.removeClass(f[0]),n.removeClass(f[1])):(e.addClass(f[0]),n.addClass(f[1])))},k=function(){var t=e(this),a=t.data(i),o=e("#mCSB_"+a.idx),n=e("#mCSB_"+a.idx+"_container"),r=null==a.overflowed?n.height():n.outerHeight(!1),l=null==a.overflowed?n.width():n.outerWidth(!1);return[r>o.height(),l>o.width()]},M=function(){var t=e(this),a=t.data(i),o=a.opt,n=e("#mCSB_"+a.idx),r=e("#mCSB_"+a.idx+"_container"),l=[e("#mCSB_"+a.idx+"_dragger_vertical"),e("#mCSB_"+a.idx+"_dragger_horizontal")];if(Q(t),("x"!==o.axis&&!a.overflowed[0]||"y"===o.axis&&a.overflowed[0])&&(l[0].add(r).css("top",0),G(t,"_resetY")),"y"!==o.axis&&!a.overflowed[1]||"x"===o.axis&&a.overflowed[1]){var s=dx=0;"rtl"===a.langDir&&(s=n.width()-r.outerWidth(!1),dx=Math.abs(s/a.scrollRatio.x)),r.css("left",s),l[1].css("left",dx),G(t,"_resetX")}},O=function(){function t(){r=setTimeout(function(){e.event.special.mousewheel?(clearTimeout(r),A.call(a[0])):t()},100)}var a=e(this),o=a.data(i),n=o.opt;if(!o.bindEvents){if(D.call(this),n.contentTouchScroll&&L.call(this),W.call(this),n.mouseWheel.enable){var r;t()}z.call(this),U.call(this),n.advanced.autoScrollOnFocus&&H.call(this),n.scrollButtons.enable&&F.call(this),n.keyboard.enable&&q.call(this),o.bindEvents=!0}},I=function(){var t=e(this),o=t.data(i),n=o.opt,r=i+"_"+o.idx,l=".mCSB_"+o.idx+"_scrollbar",s=e("#mCSB_"+o.idx+",#mCSB_"+o.idx+"_container,#mCSB_"+o.idx+"_container_wrapper,"+l+" ."+f[12]+",#mCSB_"+o.idx+"_dragger_vertical,#mCSB_"+o.idx+"_dragger_horizontal,"+l+">a"),c=e("#mCSB_"+o.idx+"_container");n.advanced.releaseDraggableSelectors&&s.add(e(n.advanced.releaseDraggableSelectors)),o.bindEvents&&(e(a).unbind("."+r),s.each(function(){e(this).unbind("."+r)}),clearTimeout(t[0]._focusTimeout),$(t[0],"_focusTimeout"),clearTimeout(o.sequential.step),$(o.sequential,"step"),clearTimeout(c[0].onCompleteTimeout),$(c[0],"onCompleteTimeout"),o.bindEvents=!1)},R=function(t){var a=e(this),o=a.data(i),n=o.opt,r=e("#mCSB_"+o.idx+"_container_wrapper"),l=r.length?r:e("#mCSB_"+o.idx+"_container"),s=[e("#mCSB_"+o.idx+"_scrollbar_vertical"),e("#mCSB_"+o.idx+"_scrollbar_horizontal")],c=[s[0].find(".mCSB_dragger"),s[1].find(".mCSB_dragger")];"x"!==n.axis&&(o.overflowed[0]&&!t?(s[0].add(c[0]).add(s[0].children("a")).css("display","block"),l.removeClass(f[8]+" "+f[10])):(n.alwaysShowScrollbar?(2!==n.alwaysShowScrollbar&&c[0].css("display","none"),l.removeClass(f[10])):(s[0].css("display","none"),l.addClass(f[10])),l.addClass(f[8]))),"y"!==n.axis&&(o.overflowed[1]&&!t?(s[1].add(c[1]).add(s[1].children("a")).css("display","block"),l.removeClass(f[9]+" "+f[11])):(n.alwaysShowScrollbar?(2!==n.alwaysShowScrollbar&&c[1].css("display","none"),l.removeClass(f[11])):(s[1].css("display","none"),l.addClass(f[11])),l.addClass(f[9]))),o.overflowed[0]||o.overflowed[1]?a.removeClass(f[5]):a.addClass(f[5])},E=function(e){var t=e.type;switch(t){case"pointerdown":case"MSPointerDown":case"pointermove":case"MSPointerMove":case"pointerup":case"MSPointerUp":return[e.originalEvent.pageY,e.originalEvent.pageX,!1];case"touchstart":case"touchmove":case"touchend":var a=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0],o=e.originalEvent.touches.length||e.originalEvent.changedTouches.length;return[a.pageY,a.pageX,o>1];default:return[e.pageY,e.pageX,!1]}},D=function(){function t(e){var t=p.find("iframe");if(t.length){var a=e?"auto":"none";t.css("pointer-events",a)}}function o(e,t,a,o){if(p[0].idleTimer=f.scrollInertia<233?250:0,n.attr("id")===m[1])var i="x",r=(n[0].offsetLeft-t+o)*c.scrollRatio.x;else var i="y",r=(n[0].offsetTop-e+a)*c.scrollRatio.y;G(s,r.toString(),{dir:i,drag:!0})}var n,r,l,s=e(this),c=s.data(i),f=c.opt,h=i+"_"+c.idx,m=["mCSB_"+c.idx+"_dragger_vertical","mCSB_"+c.idx+"_dragger_horizontal"],p=e("#mCSB_"+c.idx+"_container"),g=e("#"+m[0]+",#"+m[1]),v=f.advanced.releaseDraggableSelectors?g.add(e(f.advanced.releaseDraggableSelectors)):g;g.bind("mousedown."+h+" touchstart."+h+" pointerdown."+h+" 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    4.