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jquery-sortable-lists-mobile.js
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/**
* @desc jQuery plugin to sort html list also the tree structures
* @author Vladimír Čamaj
* @license MIT
*/
( function( $ )
{
/**
* @desc jQuery plugin
* @param options
* @returns this to unsure chaining
*/
$.fn.sortableLists = function( options )
{
// Local variables. This scope is available for all the functions in this closure.
var jQBody = $( 'body' ).css( 'position', 'relative' ),
defaults = {
currElClass: '',
placeholderClass: '',
placeholderCss: {
'position': 'relative',
'padding': 0
},
hintClass: '',
hintCss: {
'display': 'none',
'position': 'relative',
'padding': 0
},
hintWrapperClass: '',
hintWrapperCss: { /* Description is below the defaults in this var section */ },
baseClass: '',
baseCss: {
'position': 'absolute',
'top': 0 - parseInt( jQBody.css( 'margin-top' ) ),
'left': 0 - parseInt( jQBody.css( 'margin-left' ) ),
'margin': 0,
'padding': 0,
'z-index': 2500
},
opener: {
active: false,
open: '',
close: '',
openerCss: {
'float': 'left',
'display': 'inline-block',
'background-position': 'center center',
'background-repeat': 'no-repeat'
},
openerClass: ''
},
maxLevels: false,
listSelector: 'ul',
listsClass: '', // Used for hintWrapper and baseElement
listsCss: {},
insertZone: 50,
insertZonePlus: false,
scroll: 20,
ignoreClass: '',
isAllowed: function( cEl, hint, target ) { return true; }, // Params: current el., hint el.
onDragStart: function( e, cEl ) { return true; }, // Params: e jQ. event obj., current el.
onChange: function( cEl ) { return true; }, // Params: current el.
complete: function( cEl ) { return true; } // Params: current el.
},
setting = $.extend( true, {}, defaults, options ),
// base element from which is counted position of draged element
base = $( '<' + setting.listSelector + ' />' )
.prependTo( jQBody )
.attr( 'id', 's-l-base' )
.css( setting.baseCss )
.addClass( setting.listsClass + ' ' + setting.baseClass ),
// placeholder != state.placeholderNode
// placeholder is document fragment and state.placeholderNode is document node
placeholder = $( '<li />' )
.attr( 'id', 's-l-placeholder' )
.css( setting.placeholderCss )
.addClass( setting.placeholderClass ),
// hint is document fragment
hint = $( '<li />' )
.attr( 'id', 's-l-hint' )
.css( setting.hintCss )
.addClass( setting.hintClass ),
// Is document fragment used as wrapper if hint is inserted to the empty li
hintWrapper = $( '<' + setting.listSelector + ' />' )
.attr( 'id', 's-l-hint-wrapper' )
.addClass( setting.listsClass + ' ' + setting.hintWrapperClass )
.css( setting.listsCss )
.css( setting.hintWrapperCss ),
// Is +/- ikon to open/close nested lists
opener = $( '<span />' )
.addClass( 's-l-opener ' + setting.opener.openerClass )
.css( setting.opener.openerCss )
.on( 'mousedown touchstart', function( e )
{
var li = $( this ).closest( 'li' );
if ( li.hasClass( 's-l-closed' ) )
{
open( li );
}
else
{
close( li );
}
return false; // Prevent default
} );
if ( setting.opener.as == 'class' )
{
opener.addClass( setting.opener.close );
}
else if ( setting.opener.as == 'html' )
{
opener.html( setting.opener.close );
}
else
{
console.error( 'jQuerySortableLists opener as background image has been removed with release 2.0.0. Use html instead please.' );
}
// Container with all actual elements and parameters
var state = {
isDragged: false,
isRelEFP: null, // How browser counts elementFromPoint() position (relative to window/document)
oEl: null, // overElement is element which returns elementFromPoint() method
rootEl: {
el: $( this ),
offset: null,
rootElClass: $( this ).attr( 'class' )
},
cEl: null, // currentElement is currently dragged element
placeholderParentLi: null,
upScroll: false,
downScroll: false,
pX: 0,
pY: 0,
cX: 0,
cY: 0,
isAllowed: true, // The function is defined in setting
e: { pageX: 0, pageY: 0, clientX: 0, clientY: 0 }, // TODO: unused??
doc: $( document ),
win: $( window )
};
if ( setting.opener.active )
{
if ( ! setting.opener.open ) throw 'Opener.open value is not defined. It should be valid url, html or css class.';
if ( ! setting.opener.close ) throw 'Opener.close value is not defined. It should be valid url, html or css class.';
$( this ).find( 'li' ).each( function()
{
var li = $( this );
if ( li.children( setting.listSelector ).length )
{
opener.clone( true ).prependTo( li.children( 'div' ).first() );
if ( ! li.hasClass( 's-l-open' ) )
{
close( li );
}
else
{
open( li );
}
}
} );
}
if( setting.maxLevels !== false )
{
if( isNaN( setting.maxLevels ) ) throw 'JQuery-sortable-lists maxLevels values is not a number';
$( this ).find( 'li' ).each( function()
{
var insideLevs = getInsideLevels( $(this) );
var upperLevs = getUpperLevels( $(this) );
setInsideLevels( $(this), insideLevs );
setUpperLevels( $(this), upperLevs );
});
}
// Return this ensures chaining
return this.on( 'mousedown touchstart', function( e )
{
var target = $( e.target );
if ( state.isDragged !== false || ( setting.ignoreClass && target.closest( '.' + setting.ignoreClass ).length ) ) return; // setting.ignoreClass is checked cause hasClass('') returns true
// Solves selection/range highlighting
e.preventDefault();
if ( e.type === 'touchstart' )
{
setTouchEvent( e );
}
// El must be li in jQuery object
var el = target.closest( 'li' ),
rEl = $( this );
// Check if el is not empty
if ( el[0] )
{
setting.onDragStart( e, el );
startDrag( e, el, rEl );
}
}
);
/**
* @desc Binds events dragging and endDrag, sets some init. values
* @param e event obj.
* @param el curr. dragged element
* @param rEl root element
*/
function startDrag( e, el, rEl )
{
state.isDragged = true;
var elMT = parseInt( el.css( 'margin-top' ) ), // parseInt is necesary cause value has px at the end
elMB = parseInt( el.css( 'margin-bottom' ) ),
elML = parseInt( el.css( 'margin-left' ) ),
elMR = parseInt( el.css( 'margin-right' ) ),
elXY = el.offset(),
elIH = el.innerHeight();
state.rootEl = {
el: rEl,
offset: rEl.offset(),
rootElClass: rEl.attr( 'class' )
};
state.cEl = {
el: el,
mT: elMT, mL: elML, mB: elMB, mR: elMR,
offset: elXY
};
state.cEl.xyOffsetDiff = { X: e.pageX - state.cEl.offset.left, Y: e.pageY - state.cEl.offset.top };
state.cEl.el.addClass( 's-l-current ' + setting.currElClass );
el.before( placeholder ); // Now document has node placeholder
var placeholderNode = state.placeholderNode = $( '#s-l-placeholder' ); // jQuery object && document node
el.css( {
'width': el.width(),
'position': 'absolute',
'top': elXY.top - elMT,
'left': elXY.left - elML
} ).prependTo( base );
placeholderNode.css( {
'display': 'block',
'height': elIH
} );
hint.css( 'height', elIH );
state.doc
.on( 'mousemove touchmove', dragging )
.on( 'mouseup touchend touchcancel', endDrag );
}
/**
* @desc Start dragging
* @param e event obj.
*/
function dragging( e )
{
if ( state.isDragged )
{
var cEl = state.cEl,
doc = state.doc,
win = state.win;
if ( e.type === 'touchmove' )
{
setTouchEvent( e );
}
// event triggered by trigger() from setInterval does not have XY properties
if ( ! e.pageX )
{
setEventPos( e );
}
// Scrolling up
if ( doc.scrollTop() > state.rootEl.offset.top - 10 && e.clientY < 50 )
{
if ( ! state.upScroll ) // Has to be here after cond. e.clientY < 50 cause else unsets the interval
{
setScrollUp( e );
}
else
{
e.pageY = e.pageY - setting.scroll;
$( 'html, body' ).each( function( i )
{
$( this ).scrollTop( $( this ).scrollTop() - setting.scroll );
} );
setCursorPos( e );
}
}
// Scrolling down
else if ( doc.scrollTop() + win.height() < state.rootEl.offset.top + state.rootEl.el.outerHeight( false ) + 10 && win.height() - e.clientY < 50 )
{
if ( ! state.downScroll )
{
setScrollDown( e );
}
else
{
e.pageY = e.pageY + setting.scroll;
$( 'html, body' ).each( function( i )
{
$( this ).scrollTop( $( this ).scrollTop() + setting.scroll );
} );
setCursorPos( e );
}
}
else
{
scrollStop( state );
}
// Script needs to know old oEl
state.oElOld = state.oEl;
cEl.el[0].style.visibility = 'hidden'; // This is important for the next row
state.oEl = oEl = elFromPoint( e.pageX, e.pageY );
cEl.el[0].style.visibility = 'visible';
showHint( e, state );
setCElPos( e, state );
}
}
/**
* @desc endDrag unbinds events mousemove/mouseup and removes redundant elements
* @param e
*/
function endDrag( e )
{
var cEl = state.cEl,
hintNode = $( '#s-l-hint', state.rootEl.el ),
hintStyle = hint[0].style,
targetEl = null, // hintNode/placeholderNode
isHintTarget = false, // if cEl will be placed to the hintNode
hintWrapperNode = $( '#s-l-hint-wrapper' );
if ( e.type === 'touchend' || e.type === 'touchcancel' )
{
setTouchEvent( e );
}
if ( hintStyle.display == 'block' && hintNode.length && state.isAllowed )
{
targetEl = hintNode;
isHintTarget = true;
}
else
{
targetEl = state.placeholderNode;
isHintTarget = false;
}
offset = targetEl.offset();
cEl.el.animate( { left: offset.left - state.cEl.mL, top: offset.top - state.cEl.mT }, 250,
function() // complete callback
{
tidyCurrEl( cEl );
targetEl.after( cEl.el[0] );
targetEl[0].style.display = 'none';
hintStyle.display = 'none';
// This has to be document node, not hint as a part of documentFragment.
hintNode.remove();
hintWrapperNode
.removeAttr( 'id' )
.removeClass( setting.hintWrapperClass );
if ( hintWrapperNode.length )
{
hintWrapperNode.prev( 'div' ).append( opener.clone( true ) );
}
// Directly removed placeholder looks bad. It jumps up if the hint is below.
if ( isHintTarget )
{
// !!! Do not use local var cause it seems it creates a closure variables lakes in Chrome !!!
state.placeholderNode.slideUp( 150, function()
{
state.placeholderParentLi = ( ! state.placeholderNode.parent().is( state.rootEl.el ) ) ? state.placeholderNode.parent().closest( 'li' ) : null;
state.placeholderNode.remove();
tidyEmptyLists();
setting.onChange( cEl.el );
setting.complete( cEl.el ); // Have to be here cause is necessary to remove placeholder before complete call.
state.isDragged = false;
if( setting.maxLevels !== false ) // Has to be after placeholder remove.
{
recountLevels( cEl.el );
if( state.placeholderParentLi ) recountLevels( state.placeholderParentLi );
}
});
}
else
{
state.placeholderNode.remove();
tidyEmptyLists();
setting.complete( cEl.el );
state.isDragged = false;
}
} );
scrollStop( state );
state.doc
.unbind( "mousemove touchmove", dragging )
.unbind( "mouseup touchend touchcancel", endDrag );
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
//////// Helpers /////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////
//////// Scroll handlers /////////////////////////////////////////////////////////////////////////////
/**
* @desc Ensures autoscroll up.
* @param e
* @return No value
*/
function setScrollUp( e )
{
if ( state.upScroll ) return;
state.upScroll = setInterval( function()
{
state.doc.trigger( 'mousemove' );
}, 50 );
}
/**
* @desc Ensures autoscroll down.
* @param e
* @return No value
*/
function setScrollDown( e )
{
if ( state.downScroll ) return;
state.downScroll = setInterval( function()
{
state.doc.trigger( 'mousemove' );
}, 50 );
}
/**
* @desc This properties are used when setScrollUp()/Down() calls trigger('mousemove'), cause trigger() produce event object without pageY/Y and clientX/Y.
* @param e
* @return No value
*/
function setCursorPos( e )
{
state.pY = e.pageY;
state.pX = e.pageX;
state.cY = e.clientY;
state.cX = e.clientX;
}
/**
* @desc Necessary while scrolling, cause trigger('mousemove') does not set cursor XY values in event object
* @param e
* @return No value
*/
function setEventPos( e )
{
e.pageY = state.pY;
e.pageX = state.pX;
e.clientY = state.cY;
e.clientX = state.cX;
}
/**
* @desc Stops scrolling and sets variables
* @param state
* @return No value
*/
function scrollStop( state )
{
clearInterval( state.upScroll );
clearInterval( state.downScroll );
// clearInterval have to be before upScroll/downScroll is set to false
state.upScroll = state.downScroll = false;
}
/////// End of Scroll handlers //////////////////////////////////////////////////////////////
/////// Current element handlers //////////////////////////////////////////////////////////////
/**
* Sets the e.page/e.screen properties
* @param e
*/
function setTouchEvent( e )
{
e.pageX = e.originalEvent.changedTouches[0].pageX;
e.pageY = e.originalEvent.changedTouches[0].pageY;
e.screenX = e.originalEvent.changedTouches[0].screenX;
e.screenY = e.originalEvent.changedTouches[0].screenY;
}
/**
* @desc Sets the position of dragged element
* @param e event object
* @param state state object
* @return No value
*/
function setCElPos( e, state )
{
var cEl = state.cEl;
cEl.el.css( {
'top': e.pageY - cEl.xyOffsetDiff.Y - cEl.mT,
'left': e.pageX - cEl.xyOffsetDiff.X - cEl.mL
} );
}
/**
* @desc Return elementFromPoint() result as jQuery object
* @param x e.pageX
* @param y e.pageY
* @return null|jQuery object
*/
function elFromPoint( x, y )
{
if ( ! document.elementFromPoint ) return null;
// FF/IE/CH needs coordinates relative to the window, unlike
// Opera/Safari which needs absolute coordinates of document in elementFromPoint()
var isRelEFP = state.isRelEFP;
// isRelative === null means it is not checked yet
if ( isRelEFP === null )
{
var s, res;
if ( (s = state.doc.scrollTop()) > 0 )
{
isRelEFP = ( (res = document.elementFromPoint( 0, s + $( window ).height() - 1 ) ) == null
|| res.tagName.toUpperCase() == 'HTML'); // IE8 returns html
}
if ( (s = state.doc.scrollLeft()) > 0 )
{
isRelEFP = ( (res = document.elementFromPoint( s + $( window ).width() - 1, 0 ) ) == null
|| res.tagName.toUpperCase() == 'HTML'); // IE8 returns html
}
}
if ( isRelEFP )
{
x -= state.doc.scrollLeft();
y -= state.doc.scrollTop();
}
// Returns jQuery object
var el = $( document.elementFromPoint( x, y ) );
if ( ! state.rootEl.el.find( el ).length ) // el is outside the rootEl
{
return null;
}
else if ( el.is( '#s-l-placeholder' ) || el.is( '#s-l-hint' ) ) // el is #placeholder/#hint
{
return null;
}
else if ( ! el.is( 'li' ) ) // el is ul or div or something else in li elem.
{
el = el.closest( 'li' );
return el[0] ? el : null;
}
else if ( el.is( 'li' ) ) // el is most wanted li
{
return el;
}
}
//////// End of current element handlers //////////////////////////////////////////////////////
//////// Show hint handlers //////////////////////////////////////////////////////
/**
* @desc Shows or hides or does not show hint element
* @param e event
* @param state
* @return No value
*/
function showHint( e, state )
{
var oEl = state.oEl;
// If oEl is null or if this is the first call in dragging
if ( ! oEl || ! state.oElOld ) return;
var oElH = oEl.outerHeight( false ),
relY = e.pageY - oEl.offset().top;
if ( setting.insertZonePlus )
{
if ( 14 > relY ) // Inserting on top
{
showOnTopPlus( e, oEl, 7 > relY ); // Last bool param express if hint insert outside/inside
}
else if ( oElH - 14 < relY ) // Inserting on bottom
{
showOnBottomPlus( e, oEl, oElH - 7 < relY );
}
}
else
{
if ( 5 > relY ) // Inserting on top
{
showOnTop( e, oEl );
}
else if ( oElH - 5 < relY ) // Inserting on bottom
{
showOnBottom( e, oEl );
}
}
}
/**
* @desc Called from showHint method. Displays or hides hint element
* @param e event
* @param oEl oElement
* @return No value
*/
function showOnTop( e, oEl )
{
if ( $( '#s-l-hint-wrapper', state.rootEl.el ).length )
{
hint.unwrap(); // If hint is wrapped by ul/ol #s-l-hint-wrapper
}
// Hint outside the oEl
if ( e.pageX - oEl.offset().left < setting.insertZone )
{
// Ensure display:none if hint will be next to the placeholder
if ( (oEl.prev( '#s-l-placeholder' ).length) || (setting.maxLevels !== false && ! checkMaxLevels( false )) )
{
hint.css( 'display', 'none' );
return;
}
oEl.before( hint );
}
// Hint inside the oEl
else
{
var children = oEl.children(),
list = oEl.children( setting.listSelector ).first();
if ( (list.children().first().is( '#s-l-placeholder' )) || ( setting.maxLevels !== false && ! checkMaxLevels( true )) )
{
hint.css( 'display', 'none' );
return;
}
// Find out if is necessary to wrap hint by hintWrapper
if ( ! list.length )
{
children.first().after( hint );
hint.wrap( hintWrapper );
}
else
{
list.prepend( hint );
}
if ( state.oEl )
{
open( oEl ); // TODO:animation??? .children('ul,ol').css('display', 'block');
}
}
hint.css( 'display', 'block' );
// Ensures posible formating of elements. Second call is in the endDrag method.
state.isAllowed = setting.isAllowed( state.cEl.el, hint, hint.parents( 'li' ).first() );
}
/**
* @desc Called from showHint method. Displays or hides hint element
* @param e event
* @param oEl oElement
* @param outside bool
* @return No value
*/
function showOnTopPlus( e, oEl, outside )
{
if ( $( '#s-l-hint-wrapper', state.rootEl.el ).length )
{
hint.unwrap(); // If hint is wrapped by ul/ol #s-l-hint-wrapper
}
// Hint inside the oEl
if ( ! outside && e.pageX - oEl.offset().left > setting.insertZone )
{
var children = oEl.children(),
list = oEl.children( setting.listSelector ).first();
if ( (list.children().first().is( '#s-l-placeholder' )) || (setting.maxLevels !== false && ! checkMaxLevels( true )) )
{
hint.css( 'display', 'none' );
return;
}
// Find out if is necessary to wrap hint by hintWrapper
if ( ! list.length )
{
children.first().after( hint );
hint.wrap( hintWrapper );
}
else
{
list.prepend( hint );
}
if ( state.oEl )
{
open( oEl ); // TODO:animation??? .children('ul,ol').css('display', 'block');
}
}
// Hint outside the oEl
else
{
// Ensure display:none if hint will be next to the placeholder
if ( (oEl.prev( '#s-l-placeholder' ).length) || (setting.maxLevels !== false && ! checkMaxLevels( false )) )
{
hint.css( 'display', 'none' );
return;
}
oEl.before( hint );
}
hint.css( 'display', 'block' );
// Ensures posible formating of elements. Second call is in the endDrag method.
state.isAllowed = setting.isAllowed( state.cEl.el, hint, hint.parents( 'li' ).first() );
}
/**
* @desc Called from showHint function. Displays or hides hint element.
* @param e event
* @param oEl oElement
* @return No value
*/
function showOnBottom( e, oEl )
{
if ( $( '#s-l-hint-wrapper', state.rootEl.el ).length )
{
hint.unwrap(); // If hint is wrapped by ul/ol s-l-hint-wrapper
}
// Hint outside the oEl
if ( e.pageX - oEl.offset().left < setting.insertZone )
{
// Ensure display:none if hint will be next to the placeholder
if ( (oEl.next( '#s-l-placeholder' ).length) || (setting.maxLevels !== false && ! checkMaxLevels( false )) )
{
hint.css( 'display', 'none' );
return;
}
oEl.after( hint );
}
// Hint inside the oEl
else
{
var children = oEl.children(),
list = oEl.children( setting.listSelector ).last(); // ul/ol || empty jQuery obj
if ( (list.children().last().is( '#s-l-placeholder' )) || (setting.maxLevels !== false && ! checkMaxLevels( true )) )
{
hint.css( 'display', 'none' );
return;
}
// Find out if is necessary to wrap hint by hintWrapper
if ( list.length )
{
children.last().append( hint );
}
else
{
oEl.append( hint );
hint.wrap( hintWrapper );
}
if ( state.oEl )
{
open( oEl ); // TODO: animation???
}
}
hint.css( 'display', 'block' );
// Ensures posible formating of elements. Second call is in the endDrag method.
state.isAllowed = setting.isAllowed( state.cEl.el, hint, hint.parents( 'li' ).first() );
}
/**
* @desc Called from showHint function. Displays or hides hint element.
* @param e event
* @param oEl oElement
* @param outside bool
* @return No value
*/
function showOnBottomPlus( e, oEl, outside )
{
if ( $( '#s-l-hint-wrapper', state.rootEl.el ).length )
{
hint.unwrap(); // If hint is wrapped by ul/ol s-l-hint-wrapper
}
// Hint inside the oEl
if ( ! outside && e.pageX - oEl.offset().left > setting.insertZone )
{
var children = oEl.children(),
list = oEl.children( setting.listSelector ).last(); // ul/ol || empty jQuery obj
if ( (list.children().last().is( '#s-l-placeholder' )) || (setting.maxLevels !== false && ! checkMaxLevels( true )) )
{
hint.css( 'display', 'none' );
return;
}
// Find out if is necessary to wrap hint by hintWrapper
if ( list.length )
{
children.last().append( hint );
}
else
{
oEl.append( hint );
hint.wrap( hintWrapper );
}
if ( state.oEl )
{
open( oEl ); // TODO: animation???
}
}
// Hint outside the oEl
else
{
// Ensure display:none if hint will be next to the placeholder
if ( (oEl.next( '#s-l-placeholder' ).length) || (setting.maxLevels !== false && ! checkMaxLevels( false )) )
{
hint.css( 'display', 'none' );
return;
}
oEl.after( hint );
}
hint.css( 'display', 'block' );
// Ensures posible formating of elements. Second call is in the endDrag method.
state.isAllowed = setting.isAllowed( state.cEl.el, hint, hint.parents( 'li' ).first() );
}
//////// End of show hint handlers ////////////////////////////////////////////////////
//////// Open/close handlers //////////////////////////////////////////////////////////
/**
* @desc Handles opening nested lists
* @param li
*/
function open( li )
{
li.removeClass( 's-l-closed' ).addClass( 's-l-open' );
li.children( setting.listSelector ).css( 'display', 'block' );
var opener = li.children( 'div' ).children( '.s-l-opener' ).first();
if ( setting.opener.as == 'html' )
{
opener.html( setting.opener.close );
}
else if ( setting.opener.as == 'class' )
{
opener.addClass( setting.opener.close ).removeClass( setting.opener.open );
}
}
/**
* @desc Handles opening nested lists
* @param li
*/
function close( li )
{
li.removeClass( 's-l-open' ).addClass( 's-l-closed' );
li.children( setting.listSelector ).css( 'display', 'none' );
var opener = li.children( 'div' ).children( '.s-l-opener' ).first();
if ( setting.opener.as == 'html' )
{
opener.html( setting.opener.open );
}
else if ( setting.opener.as == 'class' )
{
opener.addClass( setting.opener.open ).removeClass( setting.opener.close );
}
}
/////// Enf of open/close handlers //////////////////////////////////////////////
/////// Levels handlers /////////////////////////////////////////////////////////
function getInsideLevels( li )
{
var levs = 0;
var list = li.children( setting.listSelector );
if( list.length )
{
levs++;
var maxNestedLevs = 0;
var currLiLevs = 0;
list.find( 'li' ).each( function( i )
{
currLiLevs = getInsideLevels($(this));
if( maxNestedLevs < currLiLevs ) maxNestedLevs = currLiLevs;
});
if( maxNestedLevs ) levs = levs + maxNestedLevs;
}
return levs;
}
function setInsideLevels( li, levs )
{
li.data('inside-levels', levs);
}
function getUpperLevels( li )
{
var levs = 0;
var rootEl = state.rootEl.el;
var parentList = li.closest( setting.listSelector );
while( ! parentList.is( rootEl ) )
{
levs++;
parentList = parentList.parent().closest( setting.listSelector );
}
return levs;
}
function setUpperLevels( li, levs )
{
li.data('upper-levels', levs);
}
function checkMaxLevels( inside )
{
var insideLevs = state.cEl.el.data( 'inside-levels' );
var upperLevs = state.oEl.data( 'upper-levels' );
return setting.maxLevels > upperLevs + insideLevs + (inside ? 1 : 0);
}
function recountLevels( li )
{
var rootEl = state.rootEl.el;
var parentList = li.parent( setting.listSelector );