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Diffstat (limited to 'packages/wekan-scrollbar/jquery.mCustomScrollbar.js')
| -rw-r--r-- | packages/wekan-scrollbar/jquery.mCustomScrollbar.js | 2423 |
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diff --git a/packages/wekan-scrollbar/jquery.mCustomScrollbar.js b/packages/wekan-scrollbar/jquery.mCustomScrollbar.js new file mode 100644 index 00000000..b7883579 --- /dev/null +++ b/packages/wekan-scrollbar/jquery.mCustomScrollbar.js @@ -0,0 +1,2423 @@ +/* +== malihu jquery custom scrollbar plugin == +Version: 3.1.3 +Plugin URI: http://manos.malihu.gr/jquery-custom-content-scroller +Author: malihu +Author URI: http://manos.malihu.gr +License: MIT License (MIT) +*/ + +/* +Copyright Manos Malihutsakis (email: manos@malihu.gr) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ + +/* +The code below is fairly long, fully commented and should be normally used in development. +For production, use either the minified jquery.mCustomScrollbar.min.js script or +the production-ready jquery.mCustomScrollbar.concat.min.js which contains the plugin +and dependencies (minified). +*/ + +(function(factory){ + if(typeof module!=="undefined" && module.exports){ + module.exports=factory; + }else{ + factory(jQuery,window,document); + } +}(function($){ +(function(init){ + var _rjs=typeof define==="function" && define.amd, /* RequireJS */ + _njs=typeof module !== "undefined" && module.exports; /* NodeJS */ + if(!_rjs){ + if(_njs){ + require("jquery-mousewheel")($); + }else{ + /* Only load locally jquery-mousewheel plugin. + (works when mCustomScrollbar fn is called on window load) */ + $.event.special.mousewheel; + } + } + init(); +}(function(){ + + /* + ---------------------------------------- + PLUGIN NAMESPACE, PREFIX, DEFAULT SELECTOR(S) + ---------------------------------------- + */ + + var pluginNS="mCustomScrollbar", + pluginPfx="mCS", + defaultSelector=".mCustomScrollbar", + + + + + + /* + ---------------------------------------- + DEFAULT OPTIONS + ---------------------------------------- + */ + + defaults={ + /* + set element/content width/height programmatically + values: boolean, pixels, percentage + option default + ------------------------------------- + setWidth false + setHeight false + */ + /* + set the initial css top property of content + values: string (e.g. "-100px", "10%" etc.) + */ + setTop:0, + /* + set the initial css left property of content + values: string (e.g. "-100px", "10%" etc.) + */ + setLeft:0, + /* + scrollbar axis (vertical and/or horizontal scrollbars) + values (string): "y", "x", "yx" + */ + axis:"y", + /* + position of scrollbar relative to content + values (string): "inside", "outside" ("outside" requires elements with position:relative) + */ + scrollbarPosition:"inside", + /* + scrolling inertia + values: integer (milliseconds) + */ + scrollInertia:950, + /* + auto-adjust scrollbar dragger length + values: boolean + */ + autoDraggerLength:true, + /* + auto-hide scrollbar when idle + values: boolean + option default + ------------------------------------- + autoHideScrollbar false + */ + /* + auto-expands scrollbar on mouse-over and dragging + values: boolean + option default + ------------------------------------- + autoExpandScrollbar false + */ + /* + always show scrollbar, even when there's nothing to scroll + values: integer (0=disable, 1=always show dragger rail and buttons, 2=always show dragger rail, dragger and buttons), boolean + */ + alwaysShowScrollbar:0, + /* + scrolling always snaps to a multiple of this number in pixels + values: integer, array ([y,x]) + option default + ------------------------------------- + snapAmount null + */ + /* + when snapping, snap with this number in pixels as an offset + values: integer + */ + snapOffset:0, + /* + mouse-wheel scrolling + */ + mouseWheel:{ + /* + enable mouse-wheel scrolling + values: boolean + */ + enable:true, + /* + scrolling amount in pixels + values: "auto", integer + */ + scrollAmount:"auto", + /* + mouse-wheel scrolling axis + the default scrolling direction when both vertical and horizontal scrollbars are present + values (string): "y", "x" + */ + axis:"y", + /* + prevent the default behaviour which automatically scrolls the parent element(s) when end of scrolling is reached + values: boolean + option default + ------------------------------------- + preventDefault null + */ + /* + the reported mouse-wheel delta value. The number of lines (translated to pixels) one wheel notch scrolls. + values: "auto", integer + "auto" uses the default OS/browser value + */ + deltaFactor:"auto", + /* + normalize mouse-wheel delta to -1 or 1 (disables mouse-wheel acceleration) + values: boolean + option default + ------------------------------------- + normalizeDelta null + */ + /* + invert mouse-wheel scrolling direction + values: boolean + option default + ------------------------------------- + invert null + */ + /* + the tags that disable mouse-wheel when cursor is over them + */ + disableOver:["select","option","keygen","datalist","textarea"] + }, + /* + scrollbar buttons + */ + scrollButtons:{ + /* + enable scrollbar buttons + values: boolean + option default + ------------------------------------- + enable null + */ + /* + scrollbar buttons scrolling type + values (string): "stepless", "stepped" + */ + scrollType:"stepless", + /* + scrolling amount in pixels + values: "auto", integer + */ + scrollAmount:"auto" + /* + tabindex of the scrollbar buttons + values: false, integer + option default + ------------------------------------- + tabindex null + */ + }, + /* + keyboard scrolling + */ + keyboard:{ + /* + enable scrolling via keyboard + values: boolean + */ + enable:true, + /* + keyboard scrolling type + values (string): "stepless", "stepped" + */ + scrollType:"stepless", + /* + scrolling amount in pixels + values: "auto", integer + */ + scrollAmount:"auto" + }, + /* + enable content touch-swipe scrolling + values: boolean, integer, string (number) + integer values define the axis-specific minimum amount required for scrolling momentum + */ + contentTouchScroll:25, + /* + enable/disable document (default) touch-swipe scrolling + */ + documentTouchScroll:true, + /* + advanced option parameters + */ + advanced:{ + /* + auto-expand content horizontally (for "x" or "yx" axis) + values: boolean, integer (the value 2 forces the non scrollHeight/scrollWidth method, the value 3 forces the scrollHeight/scrollWidth method) + option default + ------------------------------------- + autoExpandHorizontalScroll null + */ + /* + auto-scroll to elements with focus + */ + autoScrollOnFocus:"input,textarea,select,button,datalist,keygen,a[tabindex],area,object,[contenteditable='true']", + /* + auto-update scrollbars on content, element or viewport resize + should be true for fluid layouts/elements, adding/removing content dynamically, hiding/showing elements, content with images etc. + values: boolean + */ + updateOnContentResize:true, + /* + auto-update scrollbars each time each image inside the element is fully loaded + values: "auto", boolean + */ + updateOnImageLoad:"auto", + /* + auto-update scrollbars based on the amount and size changes of specific selectors + useful when you need to update the scrollbar(s) automatically, each time a type of element is added, removed or changes its size + values: boolean, string (e.g. "ul li" will auto-update scrollbars each time list-items inside the element are changed) + a value of true (boolean) will auto-update scrollbars each time any element is changed + option default + ------------------------------------- + updateOnSelectorChange null + */ + /* + extra selectors that'll allow scrollbar dragging upon mousemove/up, pointermove/up, touchend etc. (e.g. "selector-1, selector-2") + option default + ------------------------------------- + extraDraggableSelectors null + */ + /* + extra selectors that'll release scrollbar dragging upon mouseup, pointerup, touchend etc. (e.g. "selector-1, selector-2") + option default + ------------------------------------- + releaseDraggableSelectors null + */ + /* + auto-update timeout + values: integer (milliseconds) + */ + autoUpdateTimeout:60 + }, + /* + scrollbar theme + values: string (see CSS/plugin URI for a list of ready-to-use themes) + */ + theme:"light", + /* + user defined callback functions + */ + callbacks:{ + /* + Available callbacks: + callback default + ------------------------------------- + onCreate null + onInit null + onScrollStart null + onScroll null + onTotalScroll null + onTotalScrollBack null + whileScrolling null + onOverflowY null + onOverflowX null + onOverflowYNone null + onOverflowXNone null + onImageLoad null + onSelectorChange null + onBeforeUpdate null + onUpdate null + */ + onTotalScrollOffset:0, + onTotalScrollBackOffset:0, + alwaysTriggerOffsets:true + } + /* + add scrollbar(s) on all elements matching the current selector, now and in the future + values: boolean, string + string values: "on" (enable), "once" (disable after first invocation), "off" (disable) + liveSelector values: string (selector) + option default + ------------------------------------- + live false + liveSelector null + */ + }, + + + + + + /* + ---------------------------------------- + VARS, CONSTANTS + ---------------------------------------- + */ + + totalInstances=0, /* plugin instances amount */ + liveTimers={}, /* live option timers */ + oldIE=(window.attachEvent && !window.addEventListener) ? 1 : 0, /* detect IE < 9 */ + touchActive=false,touchable, /* global touch vars (for touch and pointer events) */ + /* general plugin classes */ + classes=[ + "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" + ], + + + + + + /* + ---------------------------------------- + METHODS + ---------------------------------------- + */ + + methods={ + + /* + plugin initialization method + creates the scrollbar(s), plugin data object and options + ---------------------------------------- + */ + + init:function(options){ + + var options=$.extend(true,{},defaults,options), + selector=_selector.call(this); /* validate selector */ + + /* + if live option is enabled, monitor for elements matching the current selector and + apply scrollbar(s) when found (now and in the future) + */ + if(options.live){ + var liveSelector=options.liveSelector || this.selector || defaultSelector, /* live selector(s) */ + $liveSelector=$(liveSelector); /* live selector(s) as jquery object */ + if(options.live==="off"){ + /* + disable live if requested + usage: $(selector).mCustomScrollbar({live:"off"}); + */ + removeLiveTimers(liveSelector); + return; + } + liveTimers[liveSelector]=setTimeout(function(){ + /* call mCustomScrollbar fn on live selector(s) every half-second */ + $liveSelector.mCustomScrollbar(options); + if(options.live==="once" && $liveSelector.length){ + /* disable live after first invocation */ + removeLiveTimers(liveSelector); + } + },500); + }else{ + removeLiveTimers(liveSelector); + } + + /* options backward compatibility (for versions < 3.0.0) and normalization */ + options.setWidth=(options.set_width) ? options.set_width : options.setWidth; + options.setHeight=(options.set_height) ? options.set_height : options.setHeight; + options.axis=(options.horizontalScroll) ? "x" : _findAxis(options.axis); + options.scrollInertia=options.scrollInertia>0 && options.scrollInertia<17 ? 17 : options.scrollInertia; + if(typeof options.mouseWheel!=="object" && options.mouseWheel==true){ /* old school mouseWheel option (non-object) */ + options.mouseWheel={enable:true,scrollAmount:"auto",axis:"y",preventDefault:false,deltaFactor:"auto",normalizeDelta:false,invert:false} + } + options.mouseWheel.scrollAmount=!options.mouseWheelPixels ? options.mouseWheel.scrollAmount : options.mouseWheelPixels; + options.mouseWheel.normalizeDelta=!options.advanced.normalizeMouseWheelDelta ? options.mouseWheel.normalizeDelta : options.advanced.normalizeMouseWheelDelta; + options.scrollButtons.scrollType=_findScrollButtonsType(options.scrollButtons.scrollType); + + _theme(options); /* theme-specific options */ + + /* plugin constructor */ + return $(selector).each(function(){ + + var $this=$(this); + + if(!$this.data(pluginPfx)){ /* prevent multiple instantiations */ + + /* store options and create objects in jquery data */ + $this.data(pluginPfx,{ + idx:++totalInstances, /* instance index */ + opt:options, /* options */ + scrollRatio:{y:null,x:null}, /* scrollbar to content ratio */ + overflowed:null, /* overflowed axis */ + contentReset:{y:null,x:null}, /* object to check when content resets */ + bindEvents:false, /* object to check if events are bound */ + tweenRunning:false, /* object to check if tween is running */ + sequential:{}, /* sequential scrolling object */ + langDir:$this.css("direction"), /* detect/store direction (ltr or rtl) */ + cbOffsets:null, /* object to check whether callback offsets always trigger */ + /* + object to check how scrolling events where last triggered + "internal" (default - triggered by this script), "external" (triggered by other scripts, e.g. via scrollTo method) + usage: object.data("mCS").trigger + */ + trigger:null, + /* + object to check for changes in elements in order to call the update method automatically + */ + poll:{size:{o:0,n:0},img:{o:0,n:0},change:{o:0,n:0}} + }); + + var d=$this.data(pluginPfx),o=d.opt, + /* HTML data attributes */ + htmlDataAxis=$this.data("mcs-axis"),htmlDataSbPos=$this.data("mcs-scrollbar-position"),htmlDataTheme=$this.data("mcs-theme"); + + if(htmlDataAxis){o.axis=htmlDataAxis;} /* usage example: data-mcs-axis="y" */ + if(htmlDataSbPos){o.scrollbarPosition=htmlDataSbPos;} /* usage example: data-mcs-scrollbar-position="outside" */ + if(htmlDataTheme){ /* usage example: data-mcs-theme="minimal" */ + o.theme=htmlDataTheme; + _theme(o); /* theme-specific options */ + } + + _pluginMarkup.call(this); /* add plugin markup */ + + if(d && o.callbacks.onCreate && typeof o.callbacks.onCreate==="function"){o.callbacks.onCreate.call(this);} /* callbacks: onCreate */ + + $("#mCSB_"+d.idx+"_container img:not(."+classes[2]+")").addClass(classes[2]); /* flag loaded images */ + + methods.update.call(null,$this); /* call the update method */ + + } + + }); + + }, + /* ---------------------------------------- */ + + + + /* + plugin update method + updates content and scrollbar(s) values, events and status + ---------------------------------------- + usage: $(selector).mCustomScrollbar("update"); + */ + + update:function(el,cb){ + + var selector=el || _selector.call(this); /* validate selector */ + + return $(selector).each(function(){ + + var $this=$(this); + + if($this.data(pluginPfx)){ /* check if plugin has initialized */ + + var d=$this.data(pluginPfx),o=d.opt, + mCSB_container=$("#mCSB_"+d.idx+"_container"), + mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")]; + + if(!mCSB_container.length){return;} + + if(d.tweenRunning){_stop($this);} /* stop any running tweens while updating */ + + if(cb && d && o.callbacks.onBeforeUpdate && typeof o.callbacks.onBeforeUpdate==="function"){o.callbacks.onBeforeUpdate.call(this);} /* callbacks: onBeforeUpdate */ + + /* if element was disabled or destroyed, remove class(es) */ + if($this.hasClass(classes[3])){$this.removeClass(classes[3]);} + if($this.hasClass(classes[4])){$this.removeClass(classes[4]);} + + /* css flexbox fix, detect/set max-height */ + mCustomScrollBox.css("max-height","none"); + if(mCustomScrollBox.height()!==$this.height()){mCustomScrollBox.css("max-height",$this.height());} + + _expandContentHorizontally.call(this); /* expand content horizontally */ + + if(o.axis!=="y" && !o.advanced.autoExpandHorizontalScroll){ + mCSB_container.css("width",_contentWidth(mCSB_container)); + } + + d.overflowed=_overflowed.call(this); /* determine if scrolling is required */ + + _scrollbarVisibility.call(this); /* show/hide scrollbar(s) */ + + /* auto-adjust scrollbar dragger length analogous to content */ + if(o.autoDraggerLength){_setDraggerLength.call(this);} + + _scrollRatio.call(this); /* calculate and store scrollbar to content ratio */ + + _bindEvents.call(this); /* bind scrollbar events */ + + /* reset scrolling position and/or events */ + var to=[Math.abs(mCSB_container[0].offsetTop),Math.abs(mCSB_container[0].offsetLeft)]; + if(o.axis!=="x"){ /* y/yx axis */ + if(!d.overflowed[0]){ /* y scrolling is not required */ + _resetContentPosition.call(this); /* reset content position */ + if(o.axis==="y"){ + _unbindEvents.call(this); + }else if(o.axis==="yx" && d.overflowed[1]){ + _scrollTo($this,to[1].toString(),{dir:"x",dur:0,overwrite:"none"}); + } + }else if(mCSB_dragger[0].height()>mCSB_dragger[0].parent().height()){ + _resetContentPosition.call(this); /* reset content position */ + }else{ /* y scrolling is required */ + _scrollTo($this,to[0].toString(),{dir:"y",dur:0,overwrite:"none"}); + d.contentReset.y=null; + } + } + if(o.axis!=="y"){ /* x/yx axis */ + if(!d.overflowed[1]){ /* x scrolling is not required */ + _resetContentPosition.call(this); /* reset content position */ + if(o.axis==="x"){ + _unbindEvents.call(this); + }else if(o.axis==="yx" && d.overflowed[0]){ + _scrollTo($this,to[0].toString(),{dir:"y",dur:0,overwrite:"none"}); + } + }else if(mCSB_dragger[1].width()>mCSB_dragger[1].parent().width()){ + _resetContentPosition.call(this); /* reset content position */ + }else{ /* x scrolling is required */ + _scrollTo($this,to[1].toString(),{dir:"x",dur:0,overwrite:"none"}); + d.contentReset.x=null; + } + } + + /* callbacks: onImageLoad, onSelectorChange, onUpdate */ + if(cb && d){ + if(cb===2 && o.callbacks.onImageLoad && typeof o.callbacks.onImageLoad==="function"){ + o.callbacks.onImageLoad.call(this); + }else if(cb===3 && o.callbacks.onSelectorChange && typeof o.callbacks.onSelectorChange==="function"){ + o.callbacks.onSelectorChange.call(this); + }else if(o.callbacks.onUpdate && typeof o.callbacks.onUpdate==="function"){ + o.callbacks.onUpdate.call(this); + } + } + + _autoUpdate.call(this); /* initialize automatic updating (for dynamic content, fluid layouts etc.) */ + + } + + }); + + }, + /* ---------------------------------------- */ + + + + /* + plugin scrollTo method + triggers a scrolling event to a specific value + ---------------------------------------- + usage: $(selector).mCustomScrollbar("scrollTo",value,options); + */ + + scrollTo:function(val,options){ + + /* prevent silly things like $(selector).mCustomScrollbar("scrollTo",undefined); */ + if(typeof val=="undefined" || val==null){return;} + + var selector=_selector.call(this); /* validate selector */ + + return $(selector).each(function(){ + + var $this=$(this); + + if($this.data(pluginPfx)){ /* check if plugin has initialized */ + + var d=$this.data(pluginPfx),o=d.opt, + /* method default options */ + methodDefaults={ + trigger:"external", /* method is by default triggered externally (e.g. from other scripts) */ + scrollInertia:o.scrollInertia, /* scrolling inertia (animation duration) */ + scrollEasing:"mcsEaseInOut", /* animation easing */ + moveDragger:false, /* move dragger instead of content */ + timeout:60, /* scroll-to delay */ + callbacks:true, /* enable/disable callbacks */ + onStart:true, + onUpdate:true, + onComplete:true + }, + methodOptions=$.extend(true,{},methodDefaults,options), + to=_arr.call(this,val),dur=methodOptions.scrollInertia>0 && methodOptions.scrollInertia<17 ? 17 : methodOptions.scrollInertia; + + /* translate yx values to actual scroll-to positions */ + to[0]=_to.call(this,to[0],"y"); + to[1]=_to.call(this,to[1],"x"); + + /* + check if scroll-to value moves the dragger instead of content. + Only pixel values apply on dragger (e.g. 100, "100px", "-=100" etc.) + */ + if(methodOptions.moveDragger){ + to[0]*=d.scrollRatio.y; + to[1]*=d.scrollRatio.x; + } + + methodOptions.dur=_isTabHidden() ? 0 : dur; //skip animations if browser tab is hidden + + setTimeout(function(){ + /* do the scrolling */ + if(to[0]!==null && typeof to[0]!=="undefined" && o.axis!=="x" && d.overflowed[0]){ /* scroll y */ + methodOptions.dir="y"; + methodOptions.overwrite="all"; + _scrollTo($this,to[0].toString(),methodOptions); + } + if(to[1]!==null && typeof to[1]!=="undefined" && o.axis!=="y" && d.overflowed[1]){ /* scroll x */ + methodOptions.dir="x"; + methodOptions.overwrite="none"; + _scrollTo($this,to[1].toString(),methodOptions); + } + },methodOptions.timeout); + + } + + }); + + }, + /* ---------------------------------------- */ + + + + /* + plugin stop method + stops scrolling animation + ---------------------------------------- + usage: $(selector).mCustomScrollbar("stop"); + */ + stop:function(){ + + var selector=_selector.call(this); /* validate selector */ + + return $(selector).each(function(){ + + var $this=$(this); + + if($this.data(pluginPfx)){ /* check if plugin has initialized */ + + _stop($this); + + } + + }); + + }, + /* ---------------------------------------- */ + + + + /* + plugin disable method + temporarily disables the scrollbar(s) + ---------------------------------------- + usage: $(selector).mCustomScrollbar("disable",reset); + reset (boolean): resets content position to 0 + */ + disable:function(r){ + + var selector=_selector.call(this); /* validate selector */ + + return $(selector).each(function(){ + + var $this=$(this); + + if($this.data(pluginPfx)){ /* check if plugin has initialized */ + + var d=$this.data(pluginPfx); + + _autoUpdate.call(this,"remove"); /* remove automatic updating */ + + _unbindEvents.call(this); /* unbind events */ + + if(r){_resetContentPosition.call(this);} /* reset content position */ + + _scrollbarVisibility.call(this,true); /* show/hide scrollbar(s) */ + + $this.addClass(classes[3]); /* add disable class */ + + } + + }); + + }, + /* ---------------------------------------- */ + + + + /* + plugin destroy method + completely removes the scrollbar(s) and returns the element to its original state + ---------------------------------------- + usage: $(selector).mCustomScrollbar("destroy"); + */ + destroy:function(){ + + var selector=_selector.call(this); /* validate selector */ + + return $(selector).each(function(){ + + var $this=$(this); + + if($this.data(pluginPfx)){ /* check if plugin has initialized */ + + var d=$this.data(pluginPfx),o=d.opt, + mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_container=$("#mCSB_"+d.idx+"_container"), + scrollbar=$(".mCSB_"+d.idx+"_scrollbar"); + + if(o.live){removeLiveTimers(o.liveSelector || $(selector).selector);} /* remove live timers */ + + _autoUpdate.call(this,"remove"); /* remove automatic updating */ + + _unbindEvents.call(this); /* unbind events */ + + _resetContentPosition.call(this); /* reset content position */ + + $this.removeData(pluginPfx); /* remove plugin data object */ + + _delete(this,"mcs"); /* delete callbacks object */ + + /* remove plugin markup */ + scrollbar.remove(); /* remove scrollbar(s) first (those can be either inside or outside plugin's inner wrapper) */ + mCSB_container.find("img."+classes[2]).removeClass(classes[2]); /* remove loaded images flag */ + mCustomScrollBox.replaceWith(mCSB_container.contents()); /* replace plugin's inner wrapper with the original content */ + /* remove plugin classes from the element and add destroy class */ + $this.removeClass(pluginNS+" _"+pluginPfx+"_"+d.idx+" "+classes[6]+" "+classes[7]+" "+classes[5]+" "+classes[3]).addClass(classes[4]); + + } + + }); + + } + /* ---------------------------------------- */ + + }, + + + + + + /* + ---------------------------------------- + FUNCTIONS + ---------------------------------------- + */ + + /* validates selector (if selector is invalid or undefined uses the default one) */ + _selector=function(){ + return (typeof $(this)!=="object" || $(this).length<1) ? defaultSelector : this; + }, + /* -------------------- */ + + + /* changes options according to theme */ + _theme=function(obj){ + var fixedSizeScrollbarThemes=["rounded","rounded-dark","rounded-dots","rounded-dots-dark"], + nonExpandedScrollbarThemes=["rounded-dots","rounded-dots-dark","3d","3d-dark","3d-thick","3d-thick-dark","inset","inset-dark","inset-2","inset-2-dark","inset-3","inset-3-dark"], + disabledScrollButtonsThemes=["minimal","minimal-dark"], + enabledAutoHideScrollbarThemes=["minimal","minimal-dark"], + scrollbarPositionOutsideThemes=["minimal","minimal-dark"]; + obj.autoDraggerLength=$.inArray(obj.theme,fixedSizeScrollbarThemes) > -1 ? false : obj.autoDraggerLength; + obj.autoExpandScrollbar=$.inArray(obj.theme,nonExpandedScrollbarThemes) > -1 ? false : obj.autoExpandScrollbar; + obj.scrollButtons.enable=$.inArray(obj.theme,disabledScrollButtonsThemes) > -1 ? false : obj.scrollButtons.enable; + obj.autoHideScrollbar=$.inArray(obj.theme,enabledAutoHideScrollbarThemes) > -1 ? true : obj.autoHideScrollbar; + obj.scrollbarPosition=$.inArray(obj.theme,scrollbarPositionOutsideThemes) > -1 ? "outside" : obj.scrollbarPosition; + }, + /* -------------------- */ + + + /* live option timers removal */ + removeLiveTimers=function(selector){ + if(liveTimers[selector]){ + clearTimeout(liveTimers[selector]); + _delete(liveTimers,selector); + } + }, + /* -------------------- */ + + + /* normalizes axis option to valid values: "y", "x", "yx" */ + _findAxis=function(val){ + return (val==="yx" || val==="xy" || val==="auto") ? "yx" : (val==="x" || val==="horizontal") ? "x" : "y"; + }, + /* -------------------- */ + + + /* normalizes scrollButtons.scrollType option to valid values: "stepless", "stepped" */ + _findScrollButtonsType=function(val){ + return (val==="stepped" || val==="pixels" || val==="step" || val==="click") ? "stepped" : "stepless"; + }, + /* -------------------- */ + + + /* generates plugin markup */ + _pluginMarkup=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + expandClass=o.autoExpandScrollbar ? " "+classes[1]+"_expand" : "", + scrollbar=["<div id='mCSB_"+d.idx+"_scrollbar_vertical' class='mCSB_scrollTools mCSB_"+d.idx+"_scrollbar mCS-"+o.theme+" mCSB_scrollTools_vertical"+expandClass+"'><div class='"+classes[12]+"'><div id='mCSB_"+d.idx+"_dragger_vertical' class='mCSB_dragger' style='position:absolute;' oncontextmenu='return false;'><div class='mCSB_dragger_bar' /></div><div class='mCSB_draggerRail' /></div></div>","<div id='mCSB_"+d.idx+"_scrollbar_horizontal' class='mCSB_scrollTools mCSB_"+d.idx+"_scrollbar mCS-"+o.theme+" mCSB_scrollTools_horizontal"+expandClass+"'><div class='"+classes[12]+"'><div id='mCSB_"+d.idx+"_dragger_horizontal' class='mCSB_dragger' style='position:absolute;' oncontextmenu='return false;'><div class='mCSB_dragger_bar' /></div><div class='mCSB_draggerRail' /></div></div>"], + wrapperClass=o.axis==="yx" ? "mCSB_vertical_horizontal" : o.axis==="x" ? "mCSB_horizontal" : "mCSB_vertical", + scrollbars=o.axis==="yx" ? scrollbar[0]+scrollbar[1] : o.axis==="x" ? scrollbar[1] : scrollbar[0], + contentWrapper=o.axis==="yx" ? "<div id='mCSB_"+d.idx+"_container_wrapper' class='mCSB_container_wrapper' />" : "", + autoHideClass=o.autoHideScrollbar ? " "+classes[6] : "", + scrollbarDirClass=(o.axis!=="x" && d.langDir==="rtl") ? " "+classes[7] : ""; + if(o.setWidth){$this.css("width",o.setWidth);} /* set element width */ + if(o.setHeight){$this.css("height",o.setHeight);} /* set element height */ + o.setLeft=(o.axis!=="y" && d.langDir==="rtl") ? "989999px" : o.setLeft; /* adjust left position for rtl direction */ + $this.addClass(pluginNS+" _"+pluginPfx+"_"+d.idx+autoHideClass+scrollbarDirClass).wrapInner("<div id='mCSB_"+d.idx+"' class='mCustomScrollBox mCS-"+o.theme+" "+wrapperClass+"'><div id='mCSB_"+d.idx+"_container' class='mCSB_container' style='position:relative; top:"+o.setTop+"; left:"+o.setLeft+";' dir="+d.langDir+" /></div>"); + var mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_container=$("#mCSB_"+d.idx+"_container"); + if(o.axis!=="y" && !o.advanced.autoExpandHorizontalScroll){ + mCSB_container.css("width",_contentWidth(mCSB_container)); + } + if(o.scrollbarPosition==="outside"){ + if($this.css("position")==="static"){ /* requires elements with non-static position */ + $this.css("position","relative"); + } + $this.css("overflow","visible"); + mCustomScrollBox.addClass("mCSB_outside").after(scrollbars); + }else{ + mCustomScrollBox.addClass("mCSB_inside").append(scrollbars); + mCSB_container.wrap(contentWrapper); + } + _scrollButtons.call(this); /* add scrollbar buttons */ + /* minimum dragger length */ + var mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")]; + mCSB_dragger[0].css("min-height",mCSB_dragger[0].height()); + mCSB_dragger[1].css("min-width",mCSB_dragger[1].width()); + }, + /* -------------------- */ + + + /* calculates content width */ + _contentWidth=function(el){ + var val=[el[0].scrollWidth,Math.max.apply(Math,el.children().map(function(){return $(this).outerWidth(true);}).get())],w=el.parent().width(); + return val[0]>w ? val[0] : val[1]>w ? val[1] : "100%"; + }, + /* -------------------- */ + + + /* expands content horizontally */ + _expandContentHorizontally=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + mCSB_container=$("#mCSB_"+d.idx+"_container"); + if(o.advanced.autoExpandHorizontalScroll && o.axis!=="y"){ + /* calculate scrollWidth */ + mCSB_container.css({"width":"auto","min-width":0,"overflow-x":"scroll"}); + var w=Math.ceil(mCSB_container[0].scrollWidth); + if(o.advanced.autoExpandHorizontalScroll===3 || (o.advanced.autoExpandHorizontalScroll!==2 && w>mCSB_container.parent().width())){ + mCSB_container.css({"width":w,"min-width":"100%","overflow-x":"inherit"}); + }else{ + /* + wrap content with an infinite width div and set its position to absolute and width to auto. + Setting width to auto before calculating the actual width is important! + We must let the browser set the width as browser zoom values are impossible to calculate. + */ + mCSB_container.css({"overflow-x":"inherit","position":"absolute"}) + .wrap("<div class='mCSB_h_wrapper' style='position:relative; left:0; width:999999px;' />") + .css({ /* set actual width, original position and un-wrap */ + /* + get the exact width (with decimals) and then round-up. + Using jquery outerWidth() will round the width value which will mess up with inner elements that have non-integer width + */ + "width":(Math.ceil(mCSB_container[0].getBoundingClientRect().right+0.4)-Math.floor(mCSB_container[0].getBoundingClientRect().left)), + "min-width":"100%", + "position":"relative" + }).unwrap(); + } + } + }, + /* -------------------- */ + + + /* adds scrollbar buttons */ + _scrollButtons=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + mCSB_scrollTools=$(".mCSB_"+d.idx+"_scrollbar:first"), + tabindex=!_isNumeric(o.scrollButtons.tabindex) ? "" : "tabindex='"+o.scrollButtons.tabindex+"'", + btnHTML=[ + "<a href='#' class='"+classes[13]+"' oncontextmenu='return false;' "+tabindex+" />", + "<a href='#' class='"+classes[14]+"' oncontextmenu='return false;' "+tabindex+" />", + "<a href='#' class='"+classes[15]+"' oncontextmenu='return false;' "+tabindex+" />", + "<a href='#' class='"+classes[16]+"' oncontextmenu='return false;' "+tabindex+" />" + ], + btn=[(o.axis==="x" ? btnHTML[2] : btnHTML[0]),(o.axis==="x" ? btnHTML[3] : btnHTML[1]),btnHTML[2],btnHTML[3]]; + if(o.scrollButtons.enable){ + mCSB_scrollTools.prepend(btn[0]).append(btn[1]).next(".mCSB_scrollTools").prepend(btn[2]).append(btn[3]); + } + }, + /* -------------------- */ + + + /* auto-adjusts scrollbar dragger length */ + _setDraggerLength=function(){ + var $this=$(this),d=$this.data(pluginPfx), + mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_container=$("#mCSB_"+d.idx+"_container"), + mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")], + ratio=[mCustomScrollBox.height()/mCSB_container.outerHeight(false),mCustomScrollBox.width()/mCSB_container.outerWidth(false)], + l=[ + parseInt(mCSB_dragger[0].css("min-height")),Math.round(ratio[0]*mCSB_dragger[0].parent().height()), + parseInt(mCSB_dragger[1].css("min-width")),Math.round(ratio[1]*mCSB_dragger[1].parent().width()) + ], + h=oldIE && (l[1]<l[0]) ? l[0] : l[1],w=oldIE && (l[3]<l[2]) ? l[2] : l[3]; + mCSB_dragger[0].css({ + "height":h,"max-height":(mCSB_dragger[0].parent().height()-10) + }).find(".mCSB_dragger_bar").css({"line-height":l[0]+"px"}); + mCSB_dragger[1].css({ + "width":w,"max-width":(mCSB_dragger[1].parent().width()-10) + }); + }, + /* -------------------- */ + + + /* calculates scrollbar to content ratio */ + _scrollRatio=function(){ + var $this=$(this),d=$this.data(pluginPfx), + mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_container=$("#mCSB_"+d.idx+"_container"), + mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")], + scrollAmount=[mCSB_container.outerHeight(false)-mCustomScrollBox.height(),mCSB_container.outerWidth(false)-mCustomScrollBox.width()], + ratio=[ + scrollAmount[0]/(mCSB_dragger[0].parent().height()-mCSB_dragger[0].height()), + scrollAmount[1]/(mCSB_dragger[1].parent().width()-mCSB_dragger[1].width()) + ]; + d.scrollRatio={y:ratio[0],x:ratio[1]}; + }, + /* -------------------- */ + + + /* toggles scrolling classes */ + _onDragClasses=function(el,action,xpnd){ + var expandClass=xpnd ? classes[0]+"_expanded" : "", + scrollbar=el.closest(".mCSB_scrollTools"); + if(action==="active"){ + el.toggleClass(classes[0]+" "+expandClass); scrollbar.toggleClass(classes[1]); + el[0]._draggable=el[0]._draggable ? 0 : 1; + }else{ + if(!el[0]._draggable){ + if(action==="hide"){ + el.removeClass(classes[0]); scrollbar.removeClass(classes[1]); + }else{ + el.addClass(classes[0]); scrollbar.addClass(classes[1]); + } + } + } + }, + /* -------------------- */ + + + /* checks if content overflows its container to determine if scrolling is required */ + _overflowed=function(){ + var $this=$(this),d=$this.data(pluginPfx), + mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_container=$("#mCSB_"+d.idx+"_container"), + contentHeight=d.overflowed==null ? mCSB_container.height() : mCSB_container.outerHeight(false), + contentWidth=d.overflowed==null ? mCSB_container.width() : mCSB_container.outerWidth(false), + h=mCSB_container[0].scrollHeight,w=mCSB_container[0].scrollWidth; + if(h>contentHeight){contentHeight=h;} + if(w>contentWidth){contentWidth=w;} + return [contentHeight>mCustomScrollBox.height(),contentWidth>mCustomScrollBox.width()]; + }, + /* -------------------- */ + + + /* resets content position to 0 */ + _resetContentPosition=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_container=$("#mCSB_"+d.idx+"_container"), + mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")]; + _stop($this); /* stop any current scrolling before resetting */ + if((o.axis!=="x" && !d.overflowed[0]) || (o.axis==="y" && d.overflowed[0])){ /* reset y */ + mCSB_dragger[0].add(mCSB_container).css("top",0); + _scrollTo($this,"_resetY"); + } + if((o.axis!=="y" && !d.overflowed[1]) || (o.axis==="x" && d.overflowed[1])){ /* reset x */ + var cx=dx=0; + if(d.langDir==="rtl"){ /* adjust left position for rtl direction */ + cx=mCustomScrollBox.width()-mCSB_container.outerWidth(false); + dx=Math.abs(cx/d.scrollRatio.x); + } + mCSB_container.css("left",cx); + mCSB_dragger[1].css("left",dx); + _scrollTo($this,"_resetX"); + } + }, + /* -------------------- */ + + + /* binds scrollbar events */ + _bindEvents=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt; + if(!d.bindEvents){ /* check if events are already bound */ + _draggable.call(this); + if(o.contentTouchScroll){_contentDraggable.call(this);} + _selectable.call(this); + if(o.mouseWheel.enable){ /* bind mousewheel fn when plugin is available */ + function _mwt(){ + mousewheelTimeout=setTimeout(function(){ + if(!$.event.special.mousewheel){ + _mwt(); + }else{ + clearTimeout(mousewheelTimeout); + _mousewheel.call($this[0]); + } + },100); + } + var mousewheelTimeout; + _mwt(); + } + _draggerRail.call(this); + _wrapperScroll.call(this); + if(o.advanced.autoScrollOnFocus){_focus.call(this);} + if(o.scrollButtons.enable){_buttons.call(this);} + if(o.keyboard.enable){_keyboard.call(this);} + d.bindEvents=true; + } + }, + /* -------------------- */ + + + /* unbinds scrollbar events */ + _unbindEvents=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + namespace=pluginPfx+"_"+d.idx, + sb=".mCSB_"+d.idx+"_scrollbar", + sel=$("#mCSB_"+d.idx+",#mCSB_"+d.idx+"_container,#mCSB_"+d.idx+"_container_wrapper,"+sb+" ."+classes[12]+",#mCSB_"+d.idx+"_dragger_vertical,#mCSB_"+d.idx+"_dragger_horizontal,"+sb+">a"), + mCSB_container=$("#mCSB_"+d.idx+"_container"); + if(o.advanced.releaseDraggableSelectors){sel.add($(o.advanced.releaseDraggableSelectors));} + if(o.advanced.extraDraggableSelectors){sel.add($(o.advanced.extraDraggableSelectors));} + if(d.bindEvents){ /* check if events are bound */ + /* unbind namespaced events from document/selectors */ + $(document).add($(!_canAccessIFrame() || top.document)).unbind("."+namespace); + sel.each(function(){ + $(this).unbind("."+namespace); + }); + /* clear and delete timeouts/objects */ + clearTimeout($this[0]._focusTimeout); _delete($this[0],"_focusTimeout"); + clearTimeout(d.sequential.step); _delete(d.sequential,"step"); + clearTimeout(mCSB_container[0].onCompleteTimeout); _delete(mCSB_container[0],"onCompleteTimeout"); + d.bindEvents=false; + } + }, + /* -------------------- */ + + + /* toggles scrollbar visibility */ + _scrollbarVisibility=function(disabled){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + contentWrapper=$("#mCSB_"+d.idx+"_container_wrapper"), + content=contentWrapper.length ? contentWrapper : $("#mCSB_"+d.idx+"_container"), + scrollbar=[$("#mCSB_"+d.idx+"_scrollbar_vertical"),$("#mCSB_"+d.idx+"_scrollbar_horizontal")], + mCSB_dragger=[scrollbar[0].find(".mCSB_dragger"),scrollbar[1].find(".mCSB_dragger")]; + if(o.axis!=="x"){ + if(d.overflowed[0] && !disabled){ + scrollbar[0].add(mCSB_dragger[0]).add(scrollbar[0].children("a")).css("display","block"); + content.removeClass(classes[8]+" "+classes[10]); + }else{ + if(o.alwaysShowScrollbar){ + if(o.alwaysShowScrollbar!==2){mCSB_dragger[0].css("display","none");} + content.removeClass(classes[10]); + }else{ + scrollbar[0].css("display","none"); + content.addClass(classes[10]); + } + content.addClass(classes[8]); + } + } + if(o.axis!=="y"){ + if(d.overflowed[1] && !disabled){ + scrollbar[1].add(mCSB_dragger[1]).add(scrollbar[1].children("a")).css("display","block"); + content.removeClass(classes[9]+" "+classes[11]); + }else{ + if(o.alwaysShowScrollbar){ + if(o.alwaysShowScrollbar!==2){mCSB_dragger[1].css("display","none");} + content.removeClass(classes[11]); + }else{ + scrollbar[1].css("display","none"); + content.addClass(classes[11]); + } + content.addClass(classes[9]); + } + } + if(!d.overflowed[0] && !d.overflowed[1]){ + $this.addClass(classes[5]); + }else{ + $this.removeClass(classes[5]); + } + }, + /* -------------------- */ + + + /* returns input coordinates of pointer, touch and mouse events (relative to document) */ + _coordinates=function(e){ + var t=e.type,o=e.target.ownerDocument!==document ? [$(frameElement).offset().top,$(frameElement).offset().left] : null, + io=_canAccessIFrame() && e.target.ownerDocument!==top.document ? [$(e.view.frameElement).offset().top,$(e.view.frameElement).offset().left] : [0,0]; + switch(t){ + case "pointerdown": case "MSPointerDown": case "pointermove": case "MSPointerMove": case "pointerup": case "MSPointerUp": + return o ? [e.originalEvent.pageY-o[0]+io[0],e.originalEvent.pageX-o[1]+io[1],false] : [e.originalEvent.pageY,e.originalEvent.pageX,false]; + break; + case "touchstart": case "touchmove": case "touchend": + var touch=e.originalEvent.touches[0] || e.originalEvent.changedTouches[0], + touches=e.originalEvent.touches.length || e.originalEvent.changedTouches.length; + return e.target.ownerDocument!==document ? [touch.screenY,touch.screenX,touches>1] : [touch.pageY,touch.pageX,touches>1]; + break; + default: + return o ? [e.pageY-o[0]+io[0],e.pageX-o[1]+io[1],false] : [e.pageY,e.pageX,false]; + } + }, + /* -------------------- */ + + + /* + SCROLLBAR DRAG EVENTS + scrolls content via scrollbar dragging + */ + _draggable=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + namespace=pluginPfx+"_"+d.idx, + draggerId=["mCSB_"+d.idx+"_dragger_vertical","mCSB_"+d.idx+"_dragger_horizontal"], + mCSB_container=$("#mCSB_"+d.idx+"_container"), + mCSB_dragger=$("#"+draggerId[0]+",#"+draggerId[1]), + draggable,dragY,dragX, + rds=o.advanced.releaseDraggableSelectors ? mCSB_dragger.add($(o.advanced.releaseDraggableSelectors)) : mCSB_dragger, + eds=o.advanced.extraDraggableSelectors ? $(!_canAccessIFrame() || top.document).add($(o.advanced.extraDraggableSelectors)) : $(!_canAccessIFrame() || top.document); + mCSB_dragger.bind("mousedown."+namespace+" touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace,function(e){ + e.stopImmediatePropagation(); + e.preventDefault(); + if(!_mouseBtnLeft(e)){return;} /* left mouse button only */ + touchActive=true; + if(oldIE){document.onselectstart=function(){return false;}} /* disable text selection for IE < 9 */ + _iframe(false); /* enable scrollbar dragging over iframes by disabling their events */ + _stop($this); + draggable=$(this); + var offset=draggable.offset(),y=_coordinates(e)[0]-offset.top,x=_coordinates(e)[1]-offset.left, + h=draggable.height()+offset.top,w=draggable.width()+offset.left; + if(y<h && y>0 && x<w && x>0){ + dragY=y; + dragX=x; + } + _onDragClasses(draggable,"active",o.autoExpandScrollbar); + }).bind("touchmove."+namespace,function(e){ + e.stopImmediatePropagation(); + e.preventDefault(); + var offset=draggable.offset(),y=_coordinates(e)[0]-offset.top,x=_coordinates(e)[1]-offset.left; + _drag(dragY,dragX,y,x); + }); + $(document).add(eds).bind("mousemove."+namespace+" pointermove."+namespace+" MSPointerMove."+namespace,function(e){ + if(draggable){ + var offset=draggable.offset(),y=_coordinates(e)[0]-offset.top,x=_coordinates(e)[1]-offset.left; + if(dragY===y && dragX===x){return;} /* has it really moved? */ + _drag(dragY,dragX,y,x); + } + }).add(rds).bind("mouseup."+namespace+" touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace,function(e){ + if(draggable){ + _onDragClasses(draggable,"active",o.autoExpandScrollbar); + draggable=null; + } + touchActive=false; + if(oldIE){document.onselectstart=null;} /* enable text selection for IE < 9 */ + _iframe(true); /* enable iframes events */ + }); + function _iframe(evt){ + var el=mCSB_container.find("iframe"); + if(!el.length){return;} /* check if content contains iframes */ + var val=!evt ? "none" : "auto"; + el.css("pointer-events",val); /* for IE11, iframe's display property should not be "block" */ + } + function _drag(dragY,dragX,y,x){ + mCSB_container[0].idleTimer=o.scrollInertia<233 ? 250 : 0; + if(draggable.attr("id")===draggerId[1]){ + var dir="x",to=((draggable[0].offsetLeft-dragX)+x)*d.scrollRatio.x; + }else{ + var dir="y",to=((draggable[0].offsetTop-dragY)+y)*d.scrollRatio.y; + } + _scrollTo($this,to.toString(),{dir:dir,drag:true}); + } + }, + /* -------------------- */ + + + /* + TOUCH SWIPE EVENTS + scrolls content via touch swipe + Emulates the native touch-swipe scrolling with momentum found in iOS, Android and WP devices + */ + _contentDraggable=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + namespace=pluginPfx+"_"+d.idx, + mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_container=$("#mCSB_"+d.idx+"_container"), + mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")], + draggable,dragY,dragX,touchStartY,touchStartX,touchMoveY=[],touchMoveX=[],startTime,runningTime,endTime,distance,speed,amount, + durA=0,durB,overwrite=o.axis==="yx" ? "none" : "all",touchIntent=[],touchDrag,docDrag, + iframe=mCSB_container.find("iframe"), + events=[ + "touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace, //start + "touchmove."+namespace+" pointermove."+namespace+" MSPointerMove."+namespace, //move + "touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace //end + ], + touchAction=document.body.style.touchAction!==undefined; + mCSB_container.bind(events[0],function(e){ + _onTouchstart(e); + }).bind(events[1],function(e){ + _onTouchmove(e); + }); + mCustomScrollBox.bind(events[0],function(e){ + _onTouchstart2(e); + }).bind(events[2],function(e){ + _onTouchend(e); + }); + if(iframe.length){ + iframe.each(function(){ + $(this).load(function(){ + /* bind events on accessible iframes */ + if(_canAccessIFrame(this)){ + $(this.contentDocument || this.contentWindow.document).bind(events[0],function(e){ + _onTouchstart(e); + _onTouchstart2(e); + }).bind(events[1],function(e){ + _onTouchmove(e); + }).bind(events[2],function(e){ + _onTouchend(e); + }); + } + }); + }); + } + function _onTouchstart(e){ + if(!_pointerTouch(e) || touchActive || _coordinates(e)[2]){touchable=0; return;} + touchable=1; touchDrag=0; docDrag=0; draggable=1; + $this.removeClass("mCS_touch_action"); + var offset=mCSB_container.offset(); + dragY=_coordinates(e)[0]-offset.top; + dragX=_coordinates(e)[1]-offset.left; + touchIntent=[_coordinates(e)[0],_coordinates(e)[1]]; + } + function _onTouchmove(e){ + if(!_pointerTouch(e) || touchActive || _coordinates(e)[2]){return;} + if(!o.documentTouchScroll){e.preventDefault();} + e.stopImmediatePropagation(); + if(docDrag && !touchDrag){return;} + if(draggable){ + runningTime=_getTime(); + var offset=mCustomScrollBox.offset(),y=_coordinates(e)[0]-offset.top,x=_coordinates(e)[1]-offset.left, + easing="mcsLinearOut"; + touchMoveY.push(y); + touchMoveX.push(x); + touchIntent[2]=Math.abs(_coordinates(e)[0]-touchIntent[0]); touchIntent[3]=Math.abs(_coordinates(e)[1]-touchIntent[1]); + if(d.overflowed[0]){ + var limit=mCSB_dragger[0].parent().height()-mCSB_dragger[0].height(), + prevent=((dragY-y)>0 && (y-dragY)>-(limit*d.scrollRatio.y) && (touchIntent[3]*2<touchIntent[2] || o.axis==="yx")); + } + if(d.overflowed[1]){ + var limitX=mCSB_dragger[1].parent().width()-mCSB_dragger[1].width(), + preventX=((dragX-x)>0 && (x-dragX)>-(limitX*d.scrollRatio.x) && (touchIntent[2]*2<touchIntent[3] || o.axis==="yx")); + } + if(prevent || preventX){ /* prevent native document scrolling */ + if(!touchAction){e.preventDefault();} + touchDrag=1; + }else{ + docDrag=1; + $this.addClass("mCS_touch_action"); + } + if(touchAction){e.preventDefault();} + amount=o.axis==="yx" ? [(dragY-y),(dragX-x)] : o.axis==="x" ? [null,(dragX-x)] : [(dragY-y),null]; + mCSB_container[0].idleTimer=250; + if(d.overflowed[0]){_drag(amount[0],durA,easing,"y","all",true);} + if(d.overflowed[1]){_drag(amount[1],durA,easing,"x",overwrite,true);} + } + } + function _onTouchstart2(e){ + if(!_pointerTouch(e) || touchActive || _coordinates(e)[2]){touchable=0; return;} + touchable=1; + e.stopImmediatePropagation(); + _stop($this); + startTime=_getTime(); + var offset=mCustomScrollBox.offset(); + touchStartY=_coordinates(e)[0]-offset.top; + touchStartX=_coordinates(e)[1]-offset.left; + touchMoveY=[]; touchMoveX=[]; + } + function _onTouchend(e){ + if(!_pointerTouch(e) || touchActive || _coordinates(e)[2]){return;} + draggable=0; + e.stopImmediatePropagation(); + touchDrag=0; docDrag=0; + endTime=_getTime(); + var offset=mCustomScrollBox.offset(),y=_coordinates(e)[0]-offset.top,x=_coordinates(e)[1]-offset.left; + if((endTime-runningTime)>30){return;} + speed=1000/(endTime-startTime); + var easing="mcsEaseOut",slow=speed<2.5, + diff=slow ? [touchMoveY[touchMoveY.length-2],touchMoveX[touchMoveX.length-2]] : [0,0]; + distance=slow ? [(y-diff[0]),(x-diff[1])] : [y-touchStartY,x-touchStartX]; + var absDistance=[Math.abs(distance[0]),Math.abs(distance[1])]; + speed=slow ? [Math.abs(distance[0]/4),Math.abs(distance[1]/4)] : [speed,speed]; + var a=[ + Math.abs(mCSB_container[0].offsetTop)-(distance[0]*_m((absDistance[0]/speed[0]),speed[0])), + Math.abs(mCSB_container[0].offsetLeft)-(distance[1]*_m((absDistance[1]/speed[1]),speed[1])) + ]; + amount=o.axis==="yx" ? [a[0],a[1]] : o.axis==="x" ? [null,a[1]] : [a[0],null]; + durB=[(absDistance[0]*4)+o.scrollInertia,(absDistance[1]*4)+o.scrollInertia]; + var md=parseInt(o.contentTouchScroll) || 0; /* absolute minimum distance required */ + amount[0]=absDistance[0]>md ? amount[0] : 0; + amount[1]=absDistance[1]>md ? amount[1] : 0; + if(d.overflowed[0]){_drag(amount[0],durB[0],easing,"y",overwrite,false);} + if(d.overflowed[1]){_drag(amount[1],durB[1],easing,"x",overwrite,false);} + } + function _m(ds,s){ + var r=[s*1.5,s*2,s/1.5,s/2]; + if(ds>90){ + return s>4 ? r[0] : r[3]; + }else if(ds>60){ + return s>3 ? r[3] : r[2]; + }else if(ds>30){ + return s>8 ? r[1] : s>6 ? r[0] : s>4 ? s : r[2]; + }else{ + return s>8 ? s : r[3]; + } + } + function _drag(amount,dur,easing,dir,overwrite,drag){ + if(!amount){return;} + _scrollTo($this,amount.toString(),{dur:dur,scrollEasing:easing,dir:dir,overwrite:overwrite,drag:drag}); + } + }, + /* -------------------- */ + + + /* + SELECT TEXT EVENTS + scrolls content when text is selected + */ + _selectable=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt,seq=d.sequential, + namespace=pluginPfx+"_"+d.idx, + mCSB_container=$("#mCSB_"+d.idx+"_container"), + wrapper=mCSB_container.parent(), + action; + mCSB_container.bind("mousedown."+namespace,function(e){ + if(touchable){return;} + if(!action){action=1; touchActive=true;} + }).add(document).bind("mousemove."+namespace,function(e){ + if(!touchable && action && _sel()){ + var offset=mCSB_container.offset(), + y=_coordinates(e)[0]-offset.top+mCSB_container[0].offsetTop,x=_coordinates(e)[1]-offset.left+mCSB_container[0].offsetLeft; + if(y>0 && y<wrapper.height() && x>0 && x<wrapper.width()){ + if(seq.step){_seq("off",null,"stepped");} + }else{ + if(o.axis!=="x" && d.overflowed[0]){ + if(y<0){ + _seq("on",38); + }else if(y>wrapper.height()){ + _seq("on",40); + } + } + if(o.axis!=="y" && d.overflowed[1]){ + if(x<0){ + _seq("on",37); + }else if(x>wrapper.width()){ + _seq("on",39); + } + } + } + } + }).bind("mouseup."+namespace+" dragend."+namespace,function(e){ + if(touchable){return;} + if(action){action=0; _seq("off",null);} + touchActive=false; + }); + function _sel(){ + return window.getSelection ? window.getSelection().toString() : + document.selection && document.selection.type!="Control" ? document.selection.createRange().text : 0; + } + function _seq(a,c,s){ + seq.type=s && action ? "stepped" : "stepless"; + seq.scrollAmount=10; + _sequentialScroll($this,a,c,"mcsLinearOut",s ? 60 : null); + } + }, + /* -------------------- */ + + + /* + MOUSE WHEEL EVENT + scrolls content via mouse-wheel + via mouse-wheel plugin (https://github.com/brandonaaron/jquery-mousewheel) + */ + _mousewheel=function(){ + if(!$(this).data(pluginPfx)){return;} /* Check if the scrollbar is ready to use mousewheel events (issue: #185) */ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + namespace=pluginPfx+"_"+d.idx, + mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")], + iframe=$("#mCSB_"+d.idx+"_container").find("iframe"); + if(iframe.length){ + iframe.each(function(){ + $(this).load(function(){ + /* bind events on accessible iframes */ + if(_canAccessIFrame(this)){ + $(this.contentDocument || this.contentWindow.document).bind("mousewheel."+namespace,function(e,delta){ + _onMousewheel(e,delta); + }); + } + }); + }); + } + mCustomScrollBox.bind("mousewheel."+namespace,function(e,delta){ + _onMousewheel(e,delta); + }); + function _onMousewheel(e,delta){ + _stop($this); + if(_disableMousewheel($this,e.target)){return;} /* disables mouse-wheel when hovering specific elements */ + var deltaFactor=o.mouseWheel.deltaFactor!=="auto" ? parseInt(o.mouseWheel.deltaFactor) : (oldIE && e.deltaFactor<100) ? 100 : e.deltaFactor || 100, + dur=o.scrollInertia; + if(o.axis==="x" || o.mouseWheel.axis==="x"){ + var dir="x", + px=[Math.round(deltaFactor*d.scrollRatio.x),parseInt(o.mouseWheel.scrollAmount)], + amount=o.mouseWheel.scrollAmount!=="auto" ? px[1] : px[0]>=mCustomScrollBox.width() ? mCustomScrollBox.width()*0.9 : px[0], + contentPos=Math.abs($("#mCSB_"+d.idx+"_container")[0].offsetLeft), + draggerPos=mCSB_dragger[1][0].offsetLeft, + limit=mCSB_dragger[1].parent().width()-mCSB_dragger[1].width(), + dlt=e.deltaX || e.deltaY || delta; + }else{ + var dir="y", + px=[Math.round(deltaFactor*d.scrollRatio.y),parseInt(o.mouseWheel.scrollAmount)], + amount=o.mouseWheel.scrollAmount!=="auto" ? px[1] : px[0]>=mCustomScrollBox.height() ? mCustomScrollBox.height()*0.9 : px[0], + contentPos=Math.abs($("#mCSB_"+d.idx+"_container")[0].offsetTop), + draggerPos=mCSB_dragger[0][0].offsetTop, + limit=mCSB_dragger[0].parent().height()-mCSB_dragger[0].height(), + dlt=e.deltaY || delta; + } + if((dir==="y" && !d.overflowed[0]) || (dir==="x" && !d.overflowed[1])){return;} + if(o.mouseWheel.invert || e.webkitDirectionInvertedFromDevice){dlt=-dlt;} + if(o.mouseWheel.normalizeDelta){dlt=dlt<0 ? -1 : 1;} + if((dlt>0 && draggerPos!==0) || (dlt<0 && draggerPos!==limit) || o.mouseWheel.preventDefault){ + e.stopImmediatePropagation(); + e.preventDefault(); + } + if(e.deltaFactor<2 && !o.mouseWheel.normalizeDelta){ + //very low deltaFactor values mean some kind of delta acceleration (e.g. osx trackpad), so adjusting scrolling accordingly + amount=e.deltaFactor; dur=17; + } + _scrollTo($this,(contentPos-(dlt*amount)).toString(),{dir:dir,dur:dur}); + } + }, + /* -------------------- */ + + + /* checks if iframe can be accessed */ + _canAccessIFrame=function(iframe){ + var html=null; + if(!iframe){ + try{ + var doc=top.document; + html=doc.body.innerHTML; + }catch(err){/* do nothing */} + return(html!==null); + }else{ + try{ + var doc=iframe.contentDocument || iframe.contentWindow.document; + html=doc.body.innerHTML; + }catch(err){/* do nothing */} + return(html!==null); + } + }, + /* -------------------- */ + + + /* disables mouse-wheel when hovering specific elements like select, datalist etc. */ + _disableMousewheel=function(el,target){ + var tag=target.nodeName.toLowerCase(), + tags=el.data(pluginPfx).opt.mouseWheel.disableOver, + /* elements that require focus */ + focusTags=["select","textarea"]; + return $.inArray(tag,tags) > -1 && !($.inArray(tag,focusTags) > -1 && !$(target).is(":focus")); + }, + /* -------------------- */ + + + /* + DRAGGER RAIL CLICK EVENT + scrolls content via dragger rail + */ + _draggerRail=function(){ + var $this=$(this),d=$this.data(pluginPfx), + namespace=pluginPfx+"_"+d.idx, + mCSB_container=$("#mCSB_"+d.idx+"_container"), + wrapper=mCSB_container.parent(), + mCSB_draggerContainer=$(".mCSB_"+d.idx+"_scrollbar ."+classes[12]), + clickable; + mCSB_draggerContainer.bind("mousedown."+namespace+" touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace,function(e){ + touchActive=true; + if(!$(e.target).hasClass("mCSB_dragger")){clickable=1;} + }).bind("touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace,function(e){ + touchActive=false; + }).bind("click."+namespace,function(e){ + if(!clickable){return;} + clickable=0; + if($(e.target).hasClass(classes[12]) || $(e.target).hasClass("mCSB_draggerRail")){ + _stop($this); + var el=$(this),mCSB_dragger=el.find(".mCSB_dragger"); + if(el.parent(".mCSB_scrollTools_horizontal").length>0){ + if(!d.overflowed[1]){return;} + var dir="x", + clickDir=e.pageX>mCSB_dragger.offset().left ? -1 : 1, + to=Math.abs(mCSB_container[0].offsetLeft)-(clickDir*(wrapper.width()*0.9)); + }else{ + if(!d.overflowed[0]){return;} + var dir="y", + clickDir=e.pageY>mCSB_dragger.offset().top ? -1 : 1, + to=Math.abs(mCSB_container[0].offsetTop)-(clickDir*(wrapper.height()*0.9)); + } + _scrollTo($this,to.toString(),{dir:dir,scrollEasing:"mcsEaseInOut"}); + } + }); + }, + /* -------------------- */ + + + /* + FOCUS EVENT + scrolls content via element focus (e.g. clicking an input, pressing TAB key etc.) + */ + _focus=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + namespace=pluginPfx+"_"+d.idx, + mCSB_container=$("#mCSB_"+d.idx+"_container"), + wrapper=mCSB_container.parent(); + mCSB_container.bind("focusin."+namespace,function(e){ + var el=$(document.activeElement), + nested=mCSB_container.find(".mCustomScrollBox").length, + dur=0; + if(!el.is(o.advanced.autoScrollOnFocus)){return;} + _stop($this); + clearTimeout($this[0]._focusTimeout); + $this[0]._focusTimer=nested ? (dur+17)*nested : 0; + $this[0]._focusTimeout=setTimeout(function(){ + var to=[_childPos(el)[0],_childPos(el)[1]], + contentPos=[mCSB_container[0].offsetTop,mCSB_container[0].offsetLeft], + isVisible=[ + (contentPos[0]+to[0]>=0 && contentPos[0]+to[0]<wrapper.height()-el.outerHeight(false)), + (contentPos[1]+to[1]>=0 && contentPos[0]+to[1]<wrapper.width()-el.outerWidth(false)) + ], + overwrite=(o.axis==="yx" && !isVisible[0] && !isVisible[1]) ? "none" : "all"; + if(o.axis!=="x" && !isVisible[0]){ + _scrollTo($this,to[0].toString(),{dir:"y",scrollEasing:"mcsEaseInOut",overwrite:overwrite,dur:dur}); + } + if(o.axis!=="y" && !isVisible[1]){ + _scrollTo($this,to[1].toString(),{dir:"x",scrollEasing:"mcsEaseInOut",overwrite:overwrite,dur:dur}); + } + },$this[0]._focusTimer); + }); + }, + /* -------------------- */ + + + /* sets content wrapper scrollTop/scrollLeft always to 0 */ + _wrapperScroll=function(){ + var $this=$(this),d=$this.data(pluginPfx), + namespace=pluginPfx+"_"+d.idx, + wrapper=$("#mCSB_"+d.idx+"_container").parent(); + wrapper.bind("scroll."+namespace,function(e){ + if(wrapper.scrollTop()!==0 || wrapper.scrollLeft()!==0){ + $(".mCSB_"+d.idx+"_scrollbar").css("visibility","hidden"); /* hide scrollbar(s) */ + } + }); + }, + /* -------------------- */ + + + /* + BUTTONS EVENTS + scrolls content via up, down, left and right buttons + */ + _buttons=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt,seq=d.sequential, + namespace=pluginPfx+"_"+d.idx, + sel=".mCSB_"+d.idx+"_scrollbar", + btn=$(sel+">a"); + btn.bind("mousedown."+namespace+" touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace+" mouseup."+namespace+" touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace+" mouseout."+namespace+" pointerout."+namespace+" MSPointerOut."+namespace+" click."+namespace,function(e){ + e.preventDefault(); + if(!_mouseBtnLeft(e)){return;} /* left mouse button only */ + var btnClass=$(this).attr("class"); + seq.type=o.scrollButtons.scrollType; + switch(e.type){ + case "mousedown": case "touchstart": case "pointerdown": case "MSPointerDown": + if(seq.type==="stepped"){return;} + touchActive=true; + d.tweenRunning=false; + _seq("on",btnClass); + break; + case "mouseup": case "touchend": case "pointerup": case "MSPointerUp": + case "mouseout": case "pointerout": case "MSPointerOut": + if(seq.type==="stepped"){return;} + touchActive=false; + if(seq.dir){_seq("off",btnClass);} + break; + case "click": + if(seq.type!=="stepped" || d.tweenRunning){return;} + _seq("on",btnClass); + break; + } + function _seq(a,c){ + seq.scrollAmount=o.scrollButtons.scrollAmount; + _sequentialScroll($this,a,c); + } + }); + }, + /* -------------------- */ + + + /* + KEYBOARD EVENTS + scrolls content via keyboard + Keys: up arrow, down arrow, left arrow, right arrow, PgUp, PgDn, Home, End + */ + _keyboard=function(){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt,seq=d.sequential, + namespace=pluginPfx+"_"+d.idx, + mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_container=$("#mCSB_"+d.idx+"_container"), + wrapper=mCSB_container.parent(), + editables="input,textarea,select,datalist,keygen,[contenteditable='true']", + iframe=mCSB_container.find("iframe"), + events=["blur."+namespace+" keydown."+namespace+" keyup."+namespace]; + if(iframe.length){ + iframe.each(function(){ + $(this).load(function(){ + /* bind events on accessible iframes */ + if(_canAccessIFrame(this)){ + $(this.contentDocument || this.contentWindow.document).bind(events[0],function(e){ + _onKeyboard(e); + }); + } + }); + }); + } + mCustomScrollBox.attr("tabindex","0").bind(events[0],function(e){ + _onKeyboard(e); + }); + function _onKeyboard(e){ + switch(e.type){ + case "blur": + if(d.tweenRunning && seq.dir){_seq("off",null);} + break; + case "keydown": case "keyup": + var code=e.keyCode ? e.keyCode : e.which,action="on"; + if((o.axis!=="x" && (code===38 || code===40)) || (o.axis!=="y" && (code===37 || code===39))){ + /* up (38), down (40), left (37), right (39) arrows */ + if(((code===38 || code===40) && !d.overflowed[0]) || ((code===37 || code===39) && !d.overflowed[1])){return;} + if(e.type==="keyup"){action="off";} + if(!$(document.activeElement).is(editables)){ + e.preventDefault(); + e.stopImmediatePropagation(); + _seq(action,code); + } + }else if(code===33 || code===34){ + /* PgUp (33), PgDn (34) */ + if(d.overflowed[0] || d.overflowed[1]){ + e.preventDefault(); + e.stopImmediatePropagation(); + } + if(e.type==="keyup"){ + _stop($this); + var keyboardDir=code===34 ? -1 : 1; + if(o.axis==="x" || (o.axis==="yx" && d.overflowed[1] && !d.overflowed[0])){ + var dir="x",to=Math.abs(mCSB_container[0].offsetLeft)-(keyboardDir*(wrapper.width()*0.9)); + }else{ + var dir="y",to=Math.abs(mCSB_container[0].offsetTop)-(keyboardDir*(wrapper.height()*0.9)); + } + _scrollTo($this,to.toString(),{dir:dir,scrollEasing:"mcsEaseInOut"}); + } + }else if(code===35 || code===36){ + /* End (35), Home (36) */ + if(!$(document.activeElement).is(editables)){ + if(d.overflowed[0] || d.overflowed[1]){ + e.preventDefault(); + e.stopImmediatePropagation(); + } + if(e.type==="keyup"){ + if(o.axis==="x" || (o.axis==="yx" && d.overflowed[1] && !d.overflowed[0])){ + var dir="x",to=code===35 ? Math.abs(wrapper.width()-mCSB_container.outerWidth(false)) : 0; + }else{ + var dir="y",to=code===35 ? Math.abs(wrapper.height()-mCSB_container.outerHeight(false)) : 0; + } + _scrollTo($this,to.toString(),{dir:dir,scrollEasing:"mcsEaseInOut"}); + } + } + } + break; + } + function _seq(a,c){ + seq.type=o.keyboard.scrollType; + seq.scrollAmount=o.keyboard.scrollAmount; + if(seq.type==="stepped" && d.tweenRunning){return;} + _sequentialScroll($this,a,c); + } + } + }, + /* -------------------- */ + + + /* scrolls content sequentially (used when scrolling via buttons, keyboard arrows etc.) */ + _sequentialScroll=function(el,action,trigger,e,s){ + var d=el.data(pluginPfx),o=d.opt,seq=d.sequential, + mCSB_container=$("#mCSB_"+d.idx+"_container"), + once=seq.type==="stepped" ? true : false, + steplessSpeed=o.scrollInertia < 26 ? 26 : o.scrollInertia, /* 26/1.5=17 */ + steppedSpeed=o.scrollInertia < 1 ? 17 : o.scrollInertia; + switch(action){ + case "on": + seq.dir=[ + (trigger===classes[16] || trigger===classes[15] || trigger===39 || trigger===37 ? "x" : "y"), + (trigger===classes[13] || trigger===classes[15] || trigger===38 || trigger===37 ? -1 : 1) + ]; + _stop(el); + if(_isNumeric(trigger) && seq.type==="stepped"){return;} + _on(once); + break; + case "off": + _off(); + if(once || (d.tweenRunning && seq.dir)){ + _on(true); + } + break; + } + + /* starts sequence */ + function _on(once){ + if(o.snapAmount){seq.scrollAmount=!(o.snapAmount instanceof Array) ? o.snapAmount : seq.dir[0]==="x" ? o.snapAmount[1] : o.snapAmount[0];} /* scrolling snapping */ + var c=seq.type!=="stepped", /* continuous scrolling */ + t=s ? s : !once ? 1000/60 : c ? steplessSpeed/1.5 : steppedSpeed, /* timer */ + m=!once ? 2.5 : c ? 7.5 : 40, /* multiplier */ + contentPos=[Math.abs(mCSB_container[0].offsetTop),Math.abs(mCSB_container[0].offsetLeft)], + ratio=[d.scrollRatio.y>10 ? 10 : d.scrollRatio.y,d.scrollRatio.x>10 ? 10 : d.scrollRatio.x], + amount=seq.dir[0]==="x" ? contentPos[1]+(seq.dir[1]*(ratio[1]*m)) : contentPos[0]+(seq.dir[1]*(ratio[0]*m)), + px=seq.dir[0]==="x" ? contentPos[1]+(seq.dir[1]*parseInt(seq.scrollAmount)) : contentPos[0]+(seq.dir[1]*parseInt(seq.scrollAmount)), + to=seq.scrollAmount!=="auto" ? px : amount, + easing=e ? e : !once ? "mcsLinear" : c ? "mcsLinearOut" : "mcsEaseInOut", + onComplete=!once ? false : true; + if(once && t<17){ + to=seq.dir[0]==="x" ? contentPos[1] : contentPos[0]; + } + _scrollTo(el,to.toString(),{dir:seq.dir[0],scrollEasing:easing,dur:t,onComplete:onComplete}); + if(once){ + seq.dir=false; + return; + } + clearTimeout(seq.step); + seq.step=setTimeout(function(){ + _on(); + },t); + } + /* stops sequence */ + function _off(){ + clearTimeout(seq.step); + _delete(seq,"step"); + _stop(el); + } + }, + /* -------------------- */ + + + /* returns a yx array from value */ + _arr=function(val){ + var o=$(this).data(pluginPfx).opt,vals=[]; + if(typeof val==="function"){val=val();} /* check if the value is a single anonymous function */ + /* check if value is object or array, its length and create an array with yx values */ + if(!(val instanceof Array)){ /* object value (e.g. {y:"100",x:"100"}, 100 etc.) */ + vals[0]=val.y ? val.y : val.x || o.axis==="x" ? null : val; + vals[1]=val.x ? val.x : val.y || o.axis==="y" ? null : val; + }else{ /* array value (e.g. [100,100]) */ + vals=val.length>1 ? [val[0],val[1]] : o.axis==="x" ? [null,val[0]] : [val[0],null]; + } + /* check if array values are anonymous functions */ + if(typeof vals[0]==="function"){vals[0]=vals[0]();} + if(typeof vals[1]==="function"){vals[1]=vals[1]();} + return vals; + }, + /* -------------------- */ + + + /* translates values (e.g. "top", 100, "100px", "#id") to actual scroll-to positions */ + _to=function(val,dir){ + if(val==null || typeof val=="undefined"){return;} + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + mCSB_container=$("#mCSB_"+d.idx+"_container"), + wrapper=mCSB_container.parent(), + t=typeof val; + if(!dir){dir=o.axis==="x" ? "x" : "y";} + var contentLength=dir==="x" ? mCSB_container.outerWidth(false) : mCSB_container.outerHeight(false), + contentPos=dir==="x" ? mCSB_container[0].offsetLeft : mCSB_container[0].offsetTop, + cssProp=dir==="x" ? "left" : "top"; + switch(t){ + case "function": /* this currently is not used. Consider removing it */ + return val(); + break; + case "object": /* js/jquery object */ + var obj=val.jquery ? val : $(val); + if(!obj.length){return;} + return dir==="x" ? _childPos(obj)[1] : _childPos(obj)[0]; + break; + case "string": case "number": + if(_isNumeric(val)){ /* numeric value */ + return Math.abs(val); + }else if(val.indexOf("%")!==-1){ /* percentage value */ + return Math.abs(contentLength*parseInt(val)/100); + }else if(val.indexOf("-=")!==-1){ /* decrease value */ + return Math.abs(contentPos-parseInt(val.split("-=")[1])); + }else if(val.indexOf("+=")!==-1){ /* inrease value */ + var p=(contentPos+parseInt(val.split("+=")[1])); + return p>=0 ? 0 : Math.abs(p); + }else if(val.indexOf("px")!==-1 && _isNumeric(val.split("px")[0])){ /* pixels string value (e.g. "100px") */ + return Math.abs(val.split("px")[0]); + }else{ + if(val==="top" || val==="left"){ /* special strings */ + return 0; + }else if(val==="bottom"){ + return Math.abs(wrapper.height()-mCSB_container.outerHeight(false)); + }else if(val==="right"){ + return Math.abs(wrapper.width()-mCSB_container.outerWidth(false)); + }else if(val==="first" || val==="last"){ + var obj=mCSB_container.find(":"+val); + return dir==="x" ? _childPos(obj)[1] : _childPos(obj)[0]; + }else{ + if($(val).length){ /* jquery selector */ + return dir==="x" ? _childPos($(val))[1] : _childPos($(val))[0]; + }else{ /* other values (e.g. "100em") */ + mCSB_container.css(cssProp,val); + methods.update.call(null,$this[0]); + return; + } + } + } + break; + } + }, + /* -------------------- */ + + + /* calls the update method automatically */ + _autoUpdate=function(rem){ + var $this=$(this),d=$this.data(pluginPfx),o=d.opt, + mCSB_container=$("#mCSB_"+d.idx+"_container"); + if(rem){ + /* + removes autoUpdate timer + usage: _autoUpdate.call(this,"remove"); + */ + clearTimeout(mCSB_container[0].autoUpdate); + _delete(mCSB_container[0],"autoUpdate"); + return; + } + upd(); + function upd(){ + clearTimeout(mCSB_container[0].autoUpdate); + if($this.parents("html").length===0){ + /* check element in dom tree */ + $this=null; + return; + } + mCSB_container[0].autoUpdate=setTimeout(function(){ + /* update on specific selector(s) length and size change */ + if(o.advanced.updateOnSelectorChange){ + d.poll.change.n=sizesSum(); + if(d.poll.change.n!==d.poll.change.o){ + d.poll.change.o=d.poll.change.n; + doUpd(3); + return; + } + } + /* update on main element and scrollbar size changes */ + if(o.advanced.updateOnContentResize){ + d.poll.size.n=$this[0].scrollHeight+$this[0].scrollWidth+mCSB_container[0].offsetHeight+$this[0].offsetHeight+$this[0].offsetWidth; + if(d.poll.size.n!==d.poll.size.o){ + d.poll.size.o=d.poll.size.n; + doUpd(1); + return; + } + } + /* update on image load */ + if(o.advanced.updateOnImageLoad){ + if(!(o.advanced.updateOnImageLoad==="auto" && o.axis==="y")){ //by default, it doesn't run on vertical content + d.poll.img.n=mCSB_container.find("img").length; + if(d.poll.img.n!==d.poll.img.o){ + d.poll.img.o=d.poll.img.n; + mCSB_container.find("img").each(function(){ + imgLoader(this); + }); + return; + } + } + } + if(o.advanced.updateOnSelectorChange || o.advanced.updateOnContentResize || o.advanced.updateOnImageLoad){upd();} + },o.advanced.autoUpdateTimeout); + } + /* a tiny image loader */ + function imgLoader(el){ + if($(el).hasClass(classes[2])){doUpd(); return;} + var img=new Image(); + function createDelegate(contextObject,delegateMethod){ + return function(){return delegateMethod.apply(contextObject,arguments);} + } + function imgOnLoad(){ + this.onload=null; + $(el).addClass(classes[2]); + doUpd(2); + } + img.onload=createDelegate(img,imgOnLoad); + img.src=el.src; + } + /* returns the total height and width sum of all elements matching the selector */ + function sizesSum(){ + if(o.advanced.updateOnSelectorChange===true){o.advanced.updateOnSelectorChange="*";} + var total=0,sel=mCSB_container.find(o.advanced.updateOnSelectorChange); + if(o.advanced.updateOnSelectorChange && sel.length>0){sel.each(function(){total+=this.offsetHeight+this.offsetWidth;});} + return total; + } + /* calls the update method */ + function doUpd(cb){ + clearTimeout(mCSB_container[0].autoUpdate); + methods.update.call(null,$this[0],cb); + } + }, + /* -------------------- */ + + + /* snaps scrolling to a multiple of a pixels number */ + _snapAmount=function(to,amount,offset){ + return (Math.round(to/amount)*amount-offset); + }, + /* -------------------- */ + + + /* stops content and scrollbar animations */ + _stop=function(el){ + var d=el.data(pluginPfx), + sel=$("#mCSB_"+d.idx+"_container,#mCSB_"+d.idx+"_container_wrapper,#mCSB_"+d.idx+"_dragger_vertical,#mCSB_"+d.idx+"_dragger_horizontal"); + sel.each(function(){ + _stopTween.call(this); + }); + }, + /* -------------------- */ + + + /* + ANIMATES CONTENT + This is where the actual scrolling happens + */ + _scrollTo=function(el,to,options){ + var d=el.data(pluginPfx),o=d.opt, + defaults={ + trigger:"internal", + dir:"y", + scrollEasing:"mcsEaseOut", + drag:false, + dur:o.scrollInertia, + overwrite:"all", + callbacks:true, + onStart:true, + onUpdate:true, + onComplete:true + }, + options=$.extend(defaults,options), + dur=[options.dur,(options.drag ? 0 : options.dur)], + mCustomScrollBox=$("#mCSB_"+d.idx), + mCSB_container=$("#mCSB_"+d.idx+"_container"), + wrapper=mCSB_container.parent(), + totalScrollOffsets=o.callbacks.onTotalScrollOffset ? _arr.call(el,o.callbacks.onTotalScrollOffset) : [0,0], + totalScrollBackOffsets=o.callbacks.onTotalScrollBackOffset ? _arr.call(el,o.callbacks.onTotalScrollBackOffset) : [0,0]; + d.trigger=options.trigger; + if(wrapper.scrollTop()!==0 || wrapper.scrollLeft()!==0){ /* always reset scrollTop/Left */ + $(".mCSB_"+d.idx+"_scrollbar").css("visibility","visible"); + wrapper.scrollTop(0).scrollLeft(0); + } + if(to==="_resetY" && !d.contentReset.y){ + /* callbacks: onOverflowYNone */ + if(_cb("onOverflowYNone")){o.callbacks.onOverflowYNone.call(el[0]);} + d.contentReset.y=1; + } + if(to==="_resetX" && !d.contentReset.x){ + /* callbacks: onOverflowXNone */ + if(_cb("onOverflowXNone")){o.callbacks.onOverflowXNone.call(el[0]);} + d.contentReset.x=1; + } + if(to==="_resetY" || to==="_resetX"){return;} + if((d.contentReset.y || !el[0].mcs) && d.overflowed[0]){ + /* callbacks: onOverflowY */ + if(_cb("onOverflowY")){o.callbacks.onOverflowY.call(el[0]);} + d.contentReset.x=null; + } + if((d.contentReset.x || !el[0].mcs) && d.overflowed[1]){ + /* callbacks: onOverflowX */ + if(_cb("onOverflowX")){o.callbacks.onOverflowX.call(el[0]);} + d.contentReset.x=null; + } + if(o.snapAmount){ /* scrolling snapping */ + var snapAmount=!(o.snapAmount instanceof Array) ? o.snapAmount : options.dir==="x" ? o.snapAmount[1] : o.snapAmount[0]; + to=_snapAmount(to,snapAmount,o.snapOffset); + } + switch(options.dir){ + case "x": + var mCSB_dragger=$("#mCSB_"+d.idx+"_dragger_horizontal"), + property="left", + contentPos=mCSB_container[0].offsetLeft, + limit=[ + mCustomScrollBox.width()-mCSB_container.outerWidth(false), + mCSB_dragger.parent().width()-mCSB_dragger.width() + ], + scrollTo=[to,to===0 ? 0 : (to/d.scrollRatio.x)], + tso=totalScrollOffsets[1], + tsbo=totalScrollBackOffsets[1], + totalScrollOffset=tso>0 ? tso/d.scrollRatio.x : 0, + totalScrollBackOffset=tsbo>0 ? tsbo/d.scrollRatio.x : 0; + break; + case "y": + var mCSB_dragger=$("#mCSB_"+d.idx+"_dragger_vertical"), + property="top", + contentPos=mCSB_container[0].offsetTop, + limit=[ + mCustomScrollBox.height()-mCSB_container.outerHeight(false), + mCSB_dragger.parent().height()-mCSB_dragger.height() + ], + scrollTo=[to,to===0 ? 0 : (to/d.scrollRatio.y)], + tso=totalScrollOffsets[0], + tsbo=totalScrollBackOffsets[0], + totalScrollOffset=tso>0 ? tso/d.scrollRatio.y : 0, + totalScrollBackOffset=tsbo>0 ? tsbo/d.scrollRatio.y : 0; + break; + } + if(scrollTo[1]<0 || (scrollTo[0]===0 && scrollTo[1]===0)){ + scrollTo=[0,0]; + }else if(scrollTo[1]>=limit[1]){ + scrollTo=[limit[0],limit[1]]; + }else{ + scrollTo[0]=-scrollTo[0]; + } + if(!el[0].mcs){ + _mcs(); /* init mcs object (once) to make it available before callbacks */ + if(_cb("onInit")){o.callbacks.onInit.call(el[0]);} /* callbacks: onInit */ + } + clearTimeout(mCSB_container[0].onCompleteTimeout); + _tweenTo(mCSB_dragger[0],property,Math.round(scrollTo[1]),dur[1],options.scrollEasing); + if(!d.tweenRunning && ((contentPos===0 && scrollTo[0]>=0) || (contentPos===limit[0] && scrollTo[0]<=limit[0]))){return;} + _tweenTo(mCSB_container[0],property,Math.round(scrollTo[0]),dur[0],options.scrollEasing,options.overwrite,{ + onStart:function(){ + if(options.callbacks && options.onStart && !d.tweenRunning){ + /* callbacks: onScrollStart */ + if(_cb("onScrollStart")){_mcs(); o.callbacks.onScrollStart.call(el[0]);} + d.tweenRunning=true; + _onDragClasses(mCSB_dragger); + d.cbOffsets=_cbOffsets(); + } + },onUpdate:function(){ + if(options.callbacks && options.onUpdate){ + /* callbacks: whileScrolling */ + if(_cb("whileScrolling")){_mcs(); o.callbacks.whileScrolling.call(el[0]);} + } + },onComplete:function(){ + if(options.callbacks && options.onComplete){ + if(o.axis==="yx"){clearTimeout(mCSB_container[0].onCompleteTimeout);} + var t=mCSB_container[0].idleTimer || 0; + mCSB_container[0].onCompleteTimeout=setTimeout(function(){ + /* callbacks: onScroll, onTotalScroll, onTotalScrollBack */ + if(_cb("onScroll")){_mcs(); o.callbacks.onScroll.call(el[0]);} + if(_cb("onTotalScroll") && scrollTo[1]>=limit[1]-totalScrollOffset && d.cbOffsets[0]){_mcs(); o.callbacks.onTotalScroll.call(el[0]);} + if(_cb("onTotalScrollBack") && scrollTo[1]<=totalScrollBackOffset && d.cbOffsets[1]){_mcs(); o.callbacks.onTotalScrollBack.call(el[0]);} + d.tweenRunning=false; + mCSB_container[0].idleTimer=0; + _onDragClasses(mCSB_dragger,"hide"); + },t); + } + } + }); + /* checks if callback function exists */ + function _cb(cb){ + return d && o.callbacks[cb] && typeof o.callbacks[cb]==="function"; + } + /* checks whether callback offsets always trigger */ + function _cbOffsets(){ + return [o.callbacks.alwaysTriggerOffsets || contentPos>=limit[0]+tso,o.callbacks.alwaysTriggerOffsets || contentPos<=-tsbo]; + } + /* + populates object with useful values for the user + values: + content: this.mcs.content + content top position: this.mcs.top + content left position: this.mcs.left + dragger top position: this.mcs.draggerTop + dragger left position: this.mcs.draggerLeft + scrolling y percentage: this.mcs.topPct + scrolling x percentage: this.mcs.leftPct + scrolling direction: this.mcs.direction + */ + function _mcs(){ + var cp=[mCSB_container[0].offsetTop,mCSB_container[0].offsetLeft], /* content position */ + dp=[mCSB_dragger[0].offsetTop,mCSB_dragger[0].offsetLeft], /* dragger position */ + cl=[mCSB_container.outerHeight(false),mCSB_container.outerWidth(false)], /* content length */ + pl=[mCustomScrollBox.height(),mCustomScrollBox.width()]; /* content parent length */ + el[0].mcs={ + content:mCSB_container, /* original content wrapper as jquery object */ + top:cp[0],left:cp[1],draggerTop:dp[0],draggerLeft:dp[1], + topPct:Math.round((100*Math.abs(cp[0]))/(Math.abs(cl[0])-pl[0])),leftPct:Math.round((100*Math.abs(cp[1]))/(Math.abs(cl[1])-pl[1])), + direction:options.dir + }; + /* + this refers to the original element containing the scrollbar(s) + usage: this.mcs.top, this.mcs.leftPct etc. + */ + } + }, + /* -------------------- */ + + + /* + CUSTOM JAVASCRIPT ANIMATION TWEEN + Lighter and faster than jquery animate() and css transitions + Animates top/left properties and includes easings + */ + _tweenTo=function(el,prop,to,duration,easing,overwrite,callbacks){ + if(!el._mTween){el._mTween={top:{},left:{}};} + var callbacks=callbacks || {}, + onStart=callbacks.onStart || function(){},onUpdate=callbacks.onUpdate || function(){},onComplete=callbacks.onComplete || function(){}, + startTime=_getTime(),_delay,progress=0,from=el.offsetTop,elStyle=el.style,_request,tobj=el._mTween[prop]; + if(prop==="left"){from=el.offsetLeft;} + var diff=to-from; + tobj.stop=0; + if(overwrite!=="none"){_cancelTween();} + _startTween(); + function _step(){ + if(tobj.stop){return;} + if(!progress){onStart.call();} + progress=_getTime()-startTime; + _tween(); + if(progress>=tobj.time){ + tobj.time=(progress>tobj.time) ? progress+_delay-(progress-tobj.time) : progress+_delay-1; + if(tobj.time<progress+1){tobj.time=progress+1;} + } + if(tobj.time<duration){tobj.id=_request(_step);}else{onComplete.call();} + } + function _tween(){ + if(duration>0){ + tobj.currVal=_ease(tobj.time,from,diff,duration,easing); + elStyle[prop]=Math.round(tobj.currVal)+"px"; + }else{ + elStyle[prop]=to+"px"; + } + onUpdate.call(); + } + function _startTween(){ + _delay=1000/60; + tobj.time=progress+_delay; + _request=(!window.requestAnimationFrame) ? function(f){_tween(); return setTimeout(f,0.01);} : window.requestAnimationFrame; + tobj.id=_request(_step); + } + function _cancelTween(){ + if(tobj.id==null){return;} + if(!window.requestAnimationFrame){clearTimeout(tobj.id); + }else{window.cancelAnimationFrame(tobj.id);} + tobj.id=null; + } + function _ease(t,b,c,d,type){ + switch(type){ + case "linear": case "mcsLinear": + return c*t/d + b; + break; + case "mcsLinearOut": + t/=d; t--; return c * Math.sqrt(1 - t*t) + b; + break; + case "easeInOutSmooth": + t/=d/2; + if(t<1) return c/2*t*t + b; + t--; + return -c/2 * (t*(t-2) - 1) + b; + break; + case "easeInOutStrong": + t/=d/2; + if(t<1) return c/2 * Math.pow( 2, 10 * (t - 1) ) + b; + t--; + return c/2 * ( -Math.pow( 2, -10 * t) + 2 ) + b; + break; + case "easeInOut": case "mcsEaseInOut": + t/=d/2; + if(t<1) return c/2*t*t*t + b; + t-=2; + return c/2*(t*t*t + 2) + b; + break; + case "easeOutSmooth": + t/=d; t--; + return -c * (t*t*t*t - 1) + b; + break; + case "easeOutStrong": + return c * ( -Math.pow( 2, -10 * t/d ) + 1 ) + b; + break; + case "easeOut": case "mcsEaseOut": default: + var ts=(t/=d)*t,tc=ts*t; + return b+c*(0.499999999999997*tc*ts + -2.5*ts*ts + 5.5*tc + -6.5*ts + 4*t); + } + } + }, + /* -------------------- */ + + + /* returns current time */ + _getTime=function(){ + if(window.performance && window.performance.now){ + return window.performance.now(); + }else{ + if(window.performance && window.performance.webkitNow){ + return window.performance.webkitNow(); + }else{ + if(Date.now){return Date.now();}else{return new Date().getTime();} + } + } + }, + /* -------------------- */ + + + /* stops a tween */ + _stopTween=function(){ + var el=this; + if(!el._mTween){el._mTween={top:{},left:{}};} + var props=["top","left"]; + for(var i=0; i<props.length; i++){ + var prop=props[i]; + if(el._mTween[prop].id){ + if(!window.requestAnimationFrame){clearTimeout(el._mTween[prop].id); + }else{window.cancelAnimationFrame(el._mTween[prop].id);} + el._mTween[prop].id=null; + el._mTween[prop].stop=1; + } + } + }, + /* -------------------- */ + + + /* deletes a property (avoiding the exception thrown by IE) */ + _delete=function(c,m){ + try{delete c[m];}catch(e){c[m]=null;} + }, + /* -------------------- */ + + + /* detects left mouse button */ + _mouseBtnLeft=function(e){ + return !(e.which && e.which!==1); + }, + /* -------------------- */ + + + /* detects if pointer type event is touch */ + _pointerTouch=function(e){ + var t=e.originalEvent.pointerType; + return !(t && t!=="touch" && t!==2); + }, + /* -------------------- */ + + + /* checks if value is numeric */ + _isNumeric=function(val){ + return !isNaN(parseFloat(val)) && isFinite(val); + }, + /* -------------------- */ + + + /* returns element position according to content */ + _childPos=function(el){ + var p=el.parents(".mCSB_container"); + return [el.offset().top-p.offset().top,el.offset().left-p.offset().left]; + }, + /* -------------------- */ + + + /* checks if browser tab is hidden/inactive via Page Visibility API */ + _isTabHidden=function(){ + var prop=_getHiddenProp(); + if(!prop) return false; + return document[prop]; + function _getHiddenProp(){ + var pfx=["webkit","moz","ms","o"]; + if("hidden" in document) return "hidden"; //natively supported + for(var i=0; i<pfx.length; i++){ //prefixed + if((pfx[i]+"Hidden") in document) + return pfx[i]+"Hidden"; + } + return null; //not supported + } + }; + /* -------------------- */ + + + + + + /* + ---------------------------------------- + PLUGIN SETUP + ---------------------------------------- + */ + + /* plugin constructor functions */ + $.fn[pluginNS]=function(method){ /* usage: $(selector).mCustomScrollbar(); */ + if(methods[method]){ + return methods[method].apply(this,Array.prototype.slice.call(arguments,1)); + }else if(typeof method==="object" || !method){ + return methods.init.apply(this,arguments); + }else{ + $.error("Method "+method+" does not exist"); + } + }; + $[pluginNS]=function(method){ /* usage: $.mCustomScrollbar(); */ + if(methods[method]){ + return methods[method].apply(this,Array.prototype.slice.call(arguments,1)); + }else if(typeof method==="object" || !method){ + return methods.init.apply(this,arguments); + }else{ + $.error("Method "+method+" does not exist"); + } + }; + + /* + allow setting plugin default options. + usage: $.mCustomScrollbar.defaults.scrollInertia=500; + to apply any changed default options on default selectors (below), use inside document ready fn + e.g.: $(document).ready(function(){ $.mCustomScrollbar.defaults.scrollInertia=500; }); + */ + $[pluginNS].defaults=defaults; + + /* + add window object (window.mCustomScrollbar) + usage: if(window.mCustomScrollbar){console.log("custom scrollbar plugin loaded");} + */ + window[pluginNS]=true; + + $(window).load(function(){ + + $(defaultSelector)[pluginNS](); /* add scrollbars automatically on default selector */ + + /* extend jQuery expressions */ + $.extend($.expr[":"],{ + /* checks if element is within scrollable viewport */ + mcsInView:$.expr[":"].mcsInView || function(el){ + var $el=$(el),content=$el.parents(".mCSB_container"),wrapper,cPos; + if(!content.length){return;} + wrapper=content.parent(); + cPos=[content[0].offsetTop,content[0].offsetLeft]; + return cPos[0]+_childPos($el)[0]>=0 && cPos[0]+_childPos($el)[0]<wrapper.height()-$el.outerHeight(false) && + cPos[1]+_childPos($el)[1]>=0 && cPos[1]+_childPos($el)[1]<wrapper.width()-$el.outerWidth(false); + }, + /* checks if element is overflowed having visible scrollbar(s) */ + mcsOverflow:$.expr[":"].mcsOverflow || function(el){ + var d=$(el).data(pluginPfx); + if(!d){return;} + return d.overflowed[0] || d.overflowed[1]; + } + }); + + }); + +}))})); |