: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
_contactContainers: function( event ) {
var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom,
innermostContainer = null,
// Get innermost container that intersects with item
for ( i = this.containers.length - 1; i >= 0; i-- ) {
// Never consider a container that's located within the item itself
if ( $.contains( this.currentItem[ 0 ], this.containers[ i ].element[ 0 ] ) ) {
if ( this._intersectsWith( this.containers[ i ].containerCache ) ) {
// If we've already found a container and it's more "inner" than this, then continue
if ( innermostContainer &&
this.containers[ i ].element[ 0 ],
innermostContainer.element[ 0 ] ) ) {
innermostContainer = this.containers[ i ];
// container doesn't intersect. trigger "out" event if necessary
if ( this.containers[ i ].containerCache.over ) {
this.containers[ i ]._trigger( "out", event, this._uiHash( this ) );
this.containers[ i ].containerCache.over = 0;
// If no intersecting containers found, return
if ( !innermostContainer ) {
// Move the item into the container if it's not there already
if ( this.containers.length === 1 ) {
if ( !this.containers[ innermostIndex ].containerCache.over ) {
this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
this.containers[ innermostIndex ].containerCache.over = 1;
// When entering a new container, we will find the item with the least distance and
// append our item near it
itemWithLeastDistance = null;
floating = innermostContainer.floating || this._isFloating( this.currentItem );
posProperty = floating ? "left" : "top";
sizeProperty = floating ? "width" : "height";
axis = floating ? "pageX" : "pageY";
for ( j = this.items.length - 1; j >= 0; j-- ) {
this.containers[ innermostIndex ].element[ 0 ], this.items[ j ].item[ 0 ] )
if ( this.items[ j ].item[ 0 ] === this.currentItem[ 0 ] ) {
cur = this.items[ j ].item.offset()[ posProperty ];
if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) {
if ( Math.abs( event[ axis ] - cur ) < dist ) {
dist = Math.abs( event[ axis ] - cur );
itemWithLeastDistance = this.items[ j ];
this.direction = nearBottom ? "up" : "down";
//Check if dropOnEmpty is enabled
if ( !itemWithLeastDistance && !this.options.dropOnEmpty ) {
if ( this.currentContainer === this.containers[ innermostIndex ] ) {
if ( !this.currentContainer.containerCache.over ) {
this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() );
this.currentContainer.containerCache.over = 1;
if ( itemWithLeastDistance ) {
this._rearrange( event, itemWithLeastDistance, null, true );
this._rearrange( event, null, this.containers[ innermostIndex ].element, true );
this._trigger( "change", event, this._uiHash() );
this.containers[ innermostIndex ]._trigger( "change", event, this._uiHash( this ) );
this.currentContainer = this.containers[ innermostIndex ];
this.options.placeholder.update( this.currentContainer, this.placeholder );
this.scrollParent = this.placeholder.scrollParent();
if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
this.scrollParent[ 0 ].tagName !== "HTML" ) {
this.overflowOffset = this.scrollParent.offset();
this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
this.containers[ innermostIndex ].containerCache.over = 1;
_createHelper: function( event ) {
helper = typeof o.helper === "function" ?
$( o.helper.apply( this.element[ 0 ], [ event, this.currentItem ] ) ) :
( o.helper === "clone" ? this.currentItem.clone() : this.currentItem );
//Add the helper to the DOM if that didn't happen already
if ( !helper.parents( "body" ).length ) {
this.appendTo[ 0 ].appendChild( helper[ 0 ] );
if ( helper[ 0 ] === this.currentItem[ 0 ] ) {
width: this.currentItem[ 0 ].style.width,
height: this.currentItem[ 0 ].style.height,
position: this.currentItem.css( "position" ),
top: this.currentItem.css( "top" ),
left: this.currentItem.css( "left" )
if ( !helper[ 0 ].style.width || o.forceHelperSize ) {
helper.width( this.currentItem.width() );
if ( !helper[ 0 ].style.height || o.forceHelperSize ) {
helper.height( this.currentItem.height() );
_adjustOffsetFromHelper: function( obj ) {
if ( typeof obj === "string" ) {
if ( Array.isArray( obj ) ) {
obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
this.offset.click.left = obj.left + this.margins.left;
this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
this.offset.click.top = obj.top + this.margins.top;
this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
_getParentOffset: function() {
//Get the offsetParent and cache its position
this.offsetParent = this.helper.offsetParent();
var po = this.offsetParent.offset();
// This is a special case where we need to modify a offset calculated on start, since the
// 1. The position of the helper is absolute, so it's position is calculated based on the
// next positioned parent
// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
// the document, which means that the scroll is included in the initial calculation of the
// offset of the parent, and never recalculated upon drag
if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== this.document[ 0 ] &&
$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
po.left += this.scrollParent.scrollLeft();
po.top += this.scrollParent.scrollTop();
// This needs to be actually done for all browsers, since pageX/pageY includes this
// information with an ugly IE fix
if ( this.offsetParent[ 0 ] === this.document[ 0 ].body ||
( this.offsetParent[ 0 ].tagName &&
this.offsetParent[ 0 ].tagName.toLowerCase() === "html" && $.ui.ie ) ) {
po = { top: 0, left: 0 };
top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
_getRelativeOffset: function() {
if ( this.cssPosition === "relative" ) {
var p = this.currentItem.position();
top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
this.scrollParent.scrollTop(),
left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
this.scrollParent.scrollLeft()
return { top: 0, left: 0 };
_cacheMargins: function() {
left: ( parseInt( this.currentItem.css( "marginLeft" ), 10 ) || 0 ),
top: ( parseInt( this.currentItem.css( "marginTop" ), 10 ) || 0 )
_cacheHelperProportions: function() {
this.helperProportions = {
width: this.helper.outerWidth(),
height: this.helper.outerHeight()
_setContainment: function() {
if ( o.containment === "parent" ) {
o.containment = this.helper[ 0 ].parentNode;
if ( o.containment === "document" || o.containment === "window" ) {
0 - this.offset.relative.left - this.offset.parent.left,
0 - this.offset.relative.top - this.offset.parent.top,
o.containment === "document" ?
this.window.width() - this.helperProportions.width - this.margins.left,
( o.containment === "document" ?
( this.document.height() || document.body.parentNode.scrollHeight ) :
this.window.height() || this.document[ 0 ].body.parentNode.scrollHeight
) - this.helperProportions.height - this.margins.top
if ( !( /^(document|window|parent)$/ ).test( o.containment ) ) {
ce = $( o.containment )[ 0 ];
co = $( o.containment ).offset();
over = ( $( ce ).css( "overflow" ) !== "hidden" );
co.left + ( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) +
( parseInt( $( ce ).css( "paddingLeft" ), 10 ) || 0 ) - this.margins.left,
co.top + ( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) +
( parseInt( $( ce ).css( "paddingTop" ), 10 ) || 0 ) - this.margins.top,
co.left + ( over ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) -
( parseInt( $( ce ).css( "paddingRight" ), 10 ) || 0 ) -
this.helperProportions.width - this.margins.left,
co.top + ( over ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) -
( parseInt( $( ce ).css( "paddingBottom" ), 10 ) || 0 ) -
this.helperProportions.height - this.margins.top
_convertPositionTo: function( d, pos ) {
var mod = d === "absolute" ? 1 : -1,
scroll = this.cssPosition === "absolute" &&
!( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );
// The absolute mouse position
// Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.relative.top * mod +
// The offsetParent's offset without borders (offset + border)
this.offset.parent.top * mod -
( ( this.cssPosition === "fixed" ?
-this.scrollParent.scrollTop() :
( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod )
// The absolute mouse position
// Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.relative.left * mod +
// The offsetParent's offset without borders (offset + border)
this.offset.parent.left * mod -
( ( this.cssPosition === "fixed" ?
-this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 :
scroll.scrollLeft() ) * mod )
_generatePosition: function( event ) {
scroll = this.cssPosition === "absolute" &&
!( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );
// This is another very weird special case that only happens for relative elements:
// 1. If the css position is relative
// 2. and the scroll parent is the document or similar to the offset parent
// we have to refresh the relative offset during the scroll so there are no jumps
if ( this.cssPosition === "relative" && !( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
this.scrollParent[ 0 ] !== this.offsetParent[ 0 ] ) ) {
this.offset.relative = this._getRelativeOffset();
* - Position constraining -
* Constrain the position to a mix of grid, containment.
if ( this.originalPosition ) { //If we are not dragging yet, we won't check for options
if ( this.containment ) {
if ( event.pageX - this.offset.click.left < this.containment[ 0 ] ) {
pageX = this.containment[ 0 ] + this.offset.click.left;
if ( event.pageY - this.offset.click.top < this.containment[ 1 ] ) {
pageY = this.containment[ 1 ] + this.offset.click.top;
if ( event.pageX - this.offset.click.left > this.containment[ 2 ] ) {
pageX = this.containment[ 2 ] + this.offset.click.left;
if ( event.pageY - this.offset.click.top > this.containment[ 3 ] ) {
pageY = this.containment[ 3 ] + this.offset.click.top;
top = this.originalPageY + Math.round( ( pageY - this.originalPageY ) /
o.grid[ 1 ] ) * o.grid[ 1 ];
pageY = this.containment ?
( ( top - this.offset.click.top >= this.containment[ 1 ] &&
top - this.offset.click.top <= this.containment[ 3 ] ) ?
( ( top - this.offset.click.top >= this.containment[ 1 ] ) ?
top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) :
left = this.originalPageX + Math.round( ( pageX - this.originalPageX ) /
o.grid[ 0 ] ) * o.grid[ 0 ];
pageX = this.containment ?
( ( left - this.offset.click.left >= this.containment[ 0 ] &&
left - this.offset.click.left <= this.containment[ 2 ] ) ?
( ( left - this.offset.click.left >= this.containment[ 0 ] ) ?
left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) :
// The absolute mouse position
// Click offset (relative to the element)
// Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.relative.top -
// The offsetParent's offset without borders (offset + border)
( ( this.cssPosition === "fixed" ?
-this.scrollParent.scrollTop() :
( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) )
// The absolute mouse position
// Click offset (relative to the element)
// Only for relative positioned nodes: Relative offset from element to offset parent
this.offset.relative.left -
// The offsetParent's offset without borders (offset + border)
this.offset.parent.left +
( ( this.cssPosition === "fixed" ?
-this.scrollParent.scrollLeft() :
scrollIsRootNode ? 0 : scroll.scrollLeft() ) )
_rearrange: function( event, i, a, hardRefresh ) {
a[ 0 ].appendChild( this.placeholder[ 0 ] );
i.item[ 0 ].parentNode.insertBefore( this.placeholder[ 0 ],
( this.direction === "down" ? i.item[ 0 ] : i.item[ 0 ].nextSibling ) );
//Various things done here to improve the performance:
// 1. we create a setTimeout, that calls refreshPositions
// 2. on the instance, we have a counter variable, that get's higher after every append
// 3. on the local scope, we copy the counter variable, and check in the timeout,
// if it's still the same
// 4. this lets only the last addition to the timeout stack through
this.counter = this.counter ? ++this.counter : 1;
var counter = this.counter;
this._delay( function() {
if ( counter === this.counter ) {
//Precompute after each DOM insertion, NOT on mousemove
this.refreshPositions( !hardRefresh );
_clear: function( event, noPropagation ) {
// We delay all events that have to be triggered to after the point where the placeholder
// has been removed and everything else normalized again
// We first have to update the dom position of the actual currentItem
// Note: don't do it if the current item is already removed (by a user), or it gets
// reappended (see #4088)
if ( !this._noFinalSort && this.currentItem.parent().length ) {
this.placeholder.before( this.currentItem );
this._noFinalSort = null;
if ( this.helper[ 0 ] === this.currentItem[ 0 ] ) {
for ( i in this._storedCSS ) {
if ( this._storedCSS[ i ] === "auto" || this._storedCSS[ i ] === "static" ) {
this._storedCSS[ i ] = "";
this.currentItem.css( this._storedCSS );
this._removeClass( this.currentItem, "ui-sortable-helper" );
if ( this.fromOutside && !noPropagation ) {
delayedTriggers.push( function( event ) {