+
```
diff --git a/bower.json b/bower.json
index ae44fdb..c852ba1 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
{
"name": "packery",
- "version": "1.4.1",
+ "version": "1.4.2",
"author": "Metafizzy",
"description": "bin-packing layout library",
"main": "js/packery.js",
@@ -8,7 +8,7 @@
"classie": "1.x",
"get-style-property": "1.x",
"get-size": "1.2.x",
- "outlayer": "1.4.x"
+ "outlayer": "~1.4.1"
},
"devDependencies": {
"draggabilly": "1.x",
diff --git a/changelog.md b/changelog.md
index 48c58c6..791ad86 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,10 @@
# Changelog
+### v1.4.2
+
++ Updated Outlayer to v1.4.1.
+ - Added jQuery event triggering.
+ - Safari layout and transition fixes
+ Fixed bug with HTML5 drag & drop. Fixed [#206](https://github.com/metafizzy/packery/issues/206)
### v1.4.1
diff --git a/dist/packery.pkgd.js b/dist/packery.pkgd.js
index ff0c4d7..4116a31 100644
--- a/dist/packery.pkgd.js
+++ b/dist/packery.pkgd.js
@@ -1,5 +1,5 @@
/*!
- * Packery PACKAGED v1.4.1
+ * Packery PACKAGED v1.4.2
* bin-packing layout library
*
* Licensed GPLv3 for open source use
@@ -1722,14 +1722,19 @@ Item.prototype.getPosition = function() {
var layoutOptions = this.layout.options;
var isOriginLeft = layoutOptions.isOriginLeft;
var isOriginTop = layoutOptions.isOriginTop;
- var x = parseInt( style[ isOriginLeft ? 'left' : 'right' ], 10 );
- var y = parseInt( style[ isOriginTop ? 'top' : 'bottom' ], 10 );
+ var xValue = style[ isOriginLeft ? 'left' : 'right' ];
+ var yValue = style[ isOriginTop ? 'top' : 'bottom' ];
+ var x = parseInt( xValue, 10 );
+ var y = parseInt( yValue, 10 );
+ // convert percent to pixels
+ var layoutSize = this.layout.size;
+ x = xValue.indexOf('%') != -1 ? ( x / 100 ) * layoutSize.width : x;
+ y = yValue.indexOf('%') != -1 ? ( y / 100 ) * layoutSize.height : y;
// clean up 'auto' or other non-integer values
x = isNaN( x ) ? 0 : x;
y = isNaN( y ) ? 0 : y;
// remove padding from measurement
- var layoutSize = this.layout.size;
x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;
@@ -1749,10 +1754,8 @@ Item.prototype.layoutPosition = function() {
var xResetProperty = layoutOptions.isOriginLeft ? 'right' : 'left';
var x = this.position.x + layoutSize[ xPadding ];
- // set in percentage
- x = layoutOptions.percentPosition && !layoutOptions.isHorizontal ?
- ( ( x / layoutSize.width ) * 100 ) + '%' : x + 'px';
- style[ xProperty ] = x;
+ // set in percentage or pixels
+ style[ xProperty ] = this.getXValue( x );
// reset other property
style[ xResetProperty ] = '';
@@ -1762,10 +1765,8 @@ Item.prototype.layoutPosition = function() {
var yResetProperty = layoutOptions.isOriginTop ? 'bottom' : 'top';
var y = this.position.y + layoutSize[ yPadding ];
- // set in percentage
- y = layoutOptions.percentPosition && layoutOptions.isHorizontal ?
- ( ( y / layoutSize.height ) * 100 ) + '%' : y + 'px';
- style[ yProperty ] = y;
+ // set in percentage or pixels
+ style[ yProperty ] = this.getYValue( y );
// reset other property
style[ yResetProperty ] = '';
@@ -1773,15 +1774,17 @@ Item.prototype.layoutPosition = function() {
this.emitEvent( 'layout', [ this ] );
};
+Item.prototype.getXValue = function( x ) {
+ var layoutOptions = this.layout.options;
+ return layoutOptions.percentPosition && !layoutOptions.isHorizontal ?
+ ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
+};
-// transform translate function
-var translate = is3d ?
- function( x, y ) {
- return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
- } :
- function( x, y ) {
- return 'translate(' + x + 'px, ' + y + 'px)';
- };
+Item.prototype.getYValue = function( y ) {
+ var layoutOptions = this.layout.options;
+ return layoutOptions.percentPosition && layoutOptions.isHorizontal ?
+ ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
+};
Item.prototype._transitionTo = function( x, y ) {
@@ -1806,11 +1809,7 @@ Item.prototype._transitionTo = function( x, y ) {
var transX = x - curX;
var transY = y - curY;
var transitionStyle = {};
- // flip cooridinates if origin on right or bottom
- var layoutOptions = this.layout.options;
- transX = layoutOptions.isOriginLeft ? transX : -transX;
- transY = layoutOptions.isOriginTop ? transY : -transY;
- transitionStyle.transform = translate( transX, transY );
+ transitionStyle.transform = this.getTranslate( transX, transY );
this.transition({
to: transitionStyle,
@@ -1821,6 +1820,21 @@ Item.prototype._transitionTo = function( x, y ) {
});
};
+Item.prototype.getTranslate = function( x, y ) {
+ // flip cooridinates if origin on right or bottom
+ var layoutOptions = this.layout.options;
+ x = layoutOptions.isOriginLeft ? x : -x;
+ y = layoutOptions.isOriginTop ? y : -y;
+ x = this.getXValue( x );
+ y = this.getYValue( y );
+
+ if ( is3d ) {
+ return 'translate3d(' + x + ', ' + y + ', 0)';
+ }
+
+ return 'translate(' + x + ', ' + y + ')';
+};
+
// non transition + transform support
Item.prototype.goTo = function( x, y ) {
this.setPosition( x, y );
@@ -1900,28 +1914,36 @@ Item.prototype._transition = function( args ) {
};
-var itemTransitionProperties = transformProperty && ( utils.toDashed( transformProperty ) +
- ',opacity' );
+// dash before all cap letters, including first for
+// WebkitTransform => -webkit-transform
+function toDashedAll( str ) {
+ return str.replace( /([A-Z])/g, function( $1 ) {
+ return '-' + $1.toLowerCase();
+ });
+}
+
+var transitionProps = 'opacity,' +
+ toDashedAll( vendorProperties.transform || 'transform' );
Item.prototype.enableTransition = function(/* style */) {
- // only enable if not already transitioning
- // bug in IE10 were re-setting transition style will prevent
- // transitionend event from triggering
+ // HACK changing transitionProperty during a transition
+ // will cause transition to jump
if ( this.isTransitioning ) {
return;
}
- // make transition: foo, bar, baz from style object
- // TODO uncomment this bit when IE10 bug is resolved
- // var transitionValue = [];
+ // make `transition: foo, bar, baz` from style object
+ // HACK un-comment this when enableTransition can work
+ // while a transition is happening
+ // var transitionValues = [];
// for ( var prop in style ) {
// // dash-ify camelCased properties like WebkitTransition
- // transitionValue.push( toDash( prop ) );
+ // prop = vendorProperties[ prop ] || prop;
+ // transitionValues.push( toDashedAll( prop ) );
// }
// enable transition styles
- // HACK always enable transform,opacity for IE10
this.css({
- transitionProperty: itemTransitionProperties,
+ transitionProperty: transitionProps,
transitionDuration: this.layout.options.transitionDuration
});
// listen for transition end event
@@ -2124,7 +2146,7 @@ return Item;
}));
/*!
- * Outlayer v1.4.0
+ * Outlayer v1.4.1
* the brains and guts of a layout library
* MIT license
*/
@@ -2539,7 +2561,7 @@ Outlayer.prototype._setContainerMeasure = function( measure, isWidth ) {
Outlayer.prototype._emitCompleteOnItems = function( eventName, items ) {
var _this = this;
function onComplete() {
- _this.emitEvent( eventName + 'Complete', [ items ] );
+ _this.dispatchEvent( eventName + 'Complete', null, [ items ] );
}
var count = items.length;
@@ -2563,6 +2585,32 @@ Outlayer.prototype._emitCompleteOnItems = function( eventName, items ) {
}
};
+/**
+ * emits events via eventEmitter and jQuery events
+ * @param {String} type - name of event
+ * @param {Event} event - original event
+ * @param {Array} args - extra arguments
+ */
+Outlayer.prototype.dispatchEvent = function( type, event, args ) {
+ // add original event to arguments
+ var emitArgs = event ? [ event ].concat( args ) : args;
+ this.emitEvent( type, emitArgs );
+
+ if ( jQuery ) {
+ // set this.$element
+ this.$element = this.$element || jQuery( this.element );
+ if ( event ) {
+ // create jQuery event
+ var $event = jQuery.Event( event );
+ $event.type = type;
+ this.$element.trigger( $event, args );
+ } else {
+ // just trigger with type if no event available
+ this.$element.trigger( type, args );
+ }
+ }
+};
+
// -------------------------- ignore & stamps -------------------------- //
@@ -3532,7 +3580,7 @@ return Item;
}));
/*!
- * Packery v1.4.1
+ * Packery v1.4.2
* bin-packing layout library
*
* Licensed GPLv3 for open source use
@@ -3619,13 +3667,23 @@ Packery.prototype._create = function() {
};
this.handleUIDraggable = {
- start: function handleUIDraggableStart( event ) {
+ start: function handleUIDraggableStart( event, ui ) {
+ // HTML5 may trigger dragstart, dismiss HTML5 dragging
+ if ( !ui ) {
+ return;
+ }
_this.itemDragStart( event.currentTarget );
},
drag: function handleUIDraggableDrag( event, ui ) {
+ if ( !ui ) {
+ return;
+ }
_this.itemDragMove( event.currentTarget, ui.position.left, ui.position.top );
},
- stop: function handleUIDraggableStop( event ) {
+ stop: function handleUIDraggableStop( event, ui ) {
+ if ( !ui ) {
+ return;
+ }
_this.itemDragEnd( event.currentTarget );
}
};
@@ -3851,7 +3909,7 @@ Packery.prototype._bindFitEvents = function( item ) {
if ( ticks != 2 ) {
return;
}
- _this.emitEvent( 'fitComplete', [ item ] );
+ _this.dispatchEvent( 'fitComplete', null, [ item ] );
}
// when item is laid out
item.on( 'layout', function() {
@@ -3996,7 +4054,7 @@ Packery.prototype._getDragEndLayoutComplete = function( elem, item ) {
// emit item drag event now that everything is done
if ( itemNeedsPositioning ) {
- _this.emitEvent( 'dragItemPositioned', [ item ] );
+ _this.dispatchEvent( 'dragItemPositioned', null, [ item ] );
}
// listen once
return true;
diff --git a/dist/packery.pkgd.min.js b/dist/packery.pkgd.min.js
index 53456ac..7f31c98 100644
--- a/dist/packery.pkgd.min.js
+++ b/dist/packery.pkgd.min.js
@@ -1,5 +1,5 @@
/*!
- * Packery PACKAGED v1.4.1
+ * Packery PACKAGED v1.4.2
* bin-packing layout library
*
* Licensed GPLv3 for open source use
@@ -9,5 +9,5 @@
* Copyright 2015 Metafizzy
*/
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d=this.spaces[b];if(d.canFit(a)){this.placeInSpace(a,d);break}}},b.prototype.placeInSpace=function(a,b){a.x=b.x,a.y=b.y,this.placed(a)},b.prototype.placed=function(a){for(var b=[],c=0,d=this.spaces.length;d>c;c++){var e=this.spaces[c],f=e.getMaximalFreeRects(a);f?b.push.apply(b,f):b.push(e)}this.spaces=b,this.mergeSortSpaces()},b.prototype.mergeSortSpaces=function(){b.mergeRects(this.spaces),this.spaces.sort(this.sorter)},b.prototype.addSpace=function(a){this.spaces.push(a),this.mergeSortSpaces()},b.mergeRects=function(a){for(var b=0,c=a.length;c>b;b++){var d=a[b];if(d){var e=a.slice(0);e.splice(b,1);for(var f=0,g=0,h=e.length;h>g;g++){var i=e[g],j=b>g?0:1;d.contains(i)&&(a.splice(g+j-f,1),f++)}}}return a};var c={downwardLeftToRight:function(a,b){return a.y-b.y||a.x-b.x},rightwardTopToBottom:function(a,b){return a.x-b.x||a.y-b.y}};return b}),function(a,b){"function"==typeof define&&define.amd?define("packery/js/item",["get-style-property/get-style-property","outlayer/outlayer","./rect"],b):"object"==typeof exports?module.exports=b(require("desandro-get-style-property"),require("outlayer"),require("./rect")):a.Packery.Item=b(a.getStyleProperty,a.Outlayer,a.Packery.Rect)}(window,function(a,b,c){var d=a("transform"),e=function(){b.Item.apply(this,arguments)};e.prototype=new b.Item;var f=e.prototype._create;return e.prototype._create=function(){f.call(this),this.rect=new c,this.placeRect=new c},e.prototype.dragStart=function(){this.getPosition(),this.removeTransitionStyles(),this.isTransitioning&&d&&(this.element.style[d]="none"),this.getSize(),this.isPlacing=!0,this.needsPositioning=!1,this.positionPlaceRect(this.position.x,this.position.y),this.isTransitioning=!1,this.didDrag=!1},e.prototype.dragMove=function(a,b){this.didDrag=!0;var c=this.layout.size;a-=c.paddingLeft,b-=c.paddingTop,this.positionPlaceRect(a,b)},e.prototype.dragStop=function(){this.getPosition();var a=this.position.x!=this.placeRect.x,b=this.position.y!=this.placeRect.y;this.needsPositioning=a||b,this.didDrag=!1},e.prototype.positionPlaceRect=function(a,b,c){this.placeRect.x=this.getPlaceRectCoord(a,!0),this.placeRect.y=this.getPlaceRectCoord(b,!1,c)},e.prototype.getPlaceRectCoord=function(a,b,c){var d=b?"Width":"Height",e=this.size["outer"+d],f=this.layout[b?"columnWidth":"rowHeight"],g=this.layout.size["inner"+d];b||(g=Math.max(g,this.layout.maxY),this.layout.rowHeight||(g-=this.layout.gutter));var h;if(f){f+=this.layout.gutter,g+=b?this.layout.gutter:0,a=Math.round(a/f);var i;i=this.layout.options.isHorizontal?b?"ceil":"floor":b?"floor":"ceil";var j=Math[i](g/f);j-=Math.ceil(e/f),h=j}else h=g-e;return a=c?a:Math.min(a,h),a*=f||1,Math.max(0,a)},e.prototype.copyPlaceRectPosition=function(){this.rect.x=this.placeRect.x,this.rect.y=this.placeRect.y},e.prototype.removeElem=function(){this.element.parentNode.removeChild(this.element),this.layout.packer.addSpace(this.rect),this.emitEvent("remove",[this])},e}),function(a,b){"function"==typeof define&&define.amd?define(["classie/classie","get-size/get-size","outlayer/outlayer","packery/js/rect","packery/js/packer","packery/js/item"],b):"object"==typeof exports?module.exports=b(require("desandro-classie"),require("get-size"),require("outlayer"),require("./rect"),require("./packer"),require("./item")):a.Packery=b(a.classie,a.getSize,a.Outlayer,a.Packery.Rect,a.Packery.Packer,a.Packery.Item);
+}(window,function(a,b,c,d,e,f){function g(a,b){return a.position.y-b.position.y||a.position.x-b.position.x}function h(a,b){return a.position.x-b.position.x||a.position.y-b.position.y}d.prototype.canFit=function(a){return this.width>=a.width-1&&this.height>=a.height-1};var i=c.create("packery");return i.Item=f,i.prototype._create=function(){c.prototype._create.call(this),this.packer=new e,this.stamp(this.options.stamped);var a=this;this.handleDraggabilly={dragStart:function(){a.itemDragStart(this.element)},dragMove:function(){a.itemDragMove(this.element,this.position.x,this.position.y)},dragEnd:function(){a.itemDragEnd(this.element)}},this.handleUIDraggable={start:function(b,c){c&&a.itemDragStart(b.currentTarget)},drag:function(b,c){c&&a.itemDragMove(b.currentTarget,c.position.left,c.position.top)},stop:function(b,c){c&&a.itemDragEnd(b.currentTarget)}}},i.prototype._resetLayout=function(){this.getSize(),this._getMeasurements();var a=this.packer;this.options.isHorizontal?(a.width=Number.POSITIVE_INFINITY,a.height=this.size.innerHeight+this.gutter,a.sortDirection="rightwardTopToBottom"):(a.width=this.size.innerWidth+this.gutter,a.height=Number.POSITIVE_INFINITY,a.sortDirection="downwardLeftToRight"),a.reset(),this.maxY=0,this.maxX=0},i.prototype._getMeasurements=function(){this._getMeasurement("columnWidth","width"),this._getMeasurement("rowHeight","height"),this._getMeasurement("gutter","width")},i.prototype._getItemLayoutPosition=function(a){return this._packItem(a),a.rect},i.prototype._packItem=function(a){this._setRectSize(a.element,a.rect),this.packer.pack(a.rect),this._setMaxXY(a.rect)},i.prototype._setMaxXY=function(a){this.maxX=Math.max(a.x+a.width,this.maxX),this.maxY=Math.max(a.y+a.height,this.maxY)},i.prototype._setRectSize=function(a,c){var d=b(a),e=d.outerWidth,f=d.outerHeight;(e||f)&&(e=this._applyGridGutter(e,this.columnWidth),f=this._applyGridGutter(f,this.rowHeight)),c.width=Math.min(e,this.packer.width),c.height=Math.min(f,this.packer.height)},i.prototype._applyGridGutter=function(a,b){if(!b)return a+this.gutter;b+=this.gutter;var c=a%b,d=c&&1>c?"round":"ceil";return a=Math[d](a/b)*b},i.prototype._getContainerSize=function(){return this.options.isHorizontal?{width:this.maxX-this.gutter}:{height:this.maxY-this.gutter}},i.prototype._manageStamp=function(a){var b,c=this.getItem(a);if(c&&c.isPlacing)b=c.placeRect;else{var e=this._getElementOffset(a);b=new d({x:this.options.isOriginLeft?e.left:e.right,y:this.options.isOriginTop?e.top:e.bottom})}this._setRectSize(a,b),this.packer.placed(b),this._setMaxXY(b)},i.prototype.sortItemsByPosition=function(){var a=this.options.isHorizontal?h:g;this.items.sort(a)},i.prototype.fit=function(a,b,c){var d=this.getItem(a);d&&(this._getMeasurements(),this.stamp(d.element),d.getSize(),d.isPlacing=!0,b=void 0===b?d.rect.x:b,c=void 0===c?d.rect.y:c,d.positionPlaceRect(b,c,!0),this._bindFitEvents(d),d.moveTo(d.placeRect.x,d.placeRect.y),this.layout(),this.unstamp(d.element),this.sortItemsByPosition(),d.isPlacing=!1,d.copyPlaceRectPosition())},i.prototype._bindFitEvents=function(a){function b(){d++,2==d&&c.dispatchEvent("fitComplete",null,[a])}var c=this,d=0;a.on("layout",function(){return b(),!0}),this.on("layoutComplete",function(){return b(),!0})},i.prototype.resize=function(){var a=b(this.element),c=this.size&&a,d=this.options.isHorizontal?"innerHeight":"innerWidth";c&&a[d]==this.size[d]||this.layout()},i.prototype.itemDragStart=function(a){this.stamp(a);var b=this.getItem(a);b&&b.dragStart()},i.prototype.itemDragMove=function(a,b,c){function d(){f.layout(),delete f.dragTimeout}var e=this.getItem(a);e&&e.dragMove(b,c);var f=this;this.clearDragTimeout(),this.dragTimeout=setTimeout(d,40)},i.prototype.clearDragTimeout=function(){this.dragTimeout&&clearTimeout(this.dragTimeout)},i.prototype.itemDragEnd=function(b){var c,d=this.getItem(b);if(d&&(c=d.didDrag,d.dragStop()),!d||!c&&!d.needsPositioning)return void this.unstamp(b);a.add(d.element,"is-positioning-post-drag");var e=this._getDragEndLayoutComplete(b,d);d.needsPositioning?(d.on("layout",e),d.moveTo(d.placeRect.x,d.placeRect.y)):d&&d.copyPlaceRectPosition(),this.clearDragTimeout(),this.on("layoutComplete",e),this.layout()},i.prototype._getDragEndLayoutComplete=function(b,c){var d=c&&c.needsPositioning,e=0,f=d?2:1,g=this;return function(){return e++,e!=f?!0:(c&&(a.remove(c.element,"is-positioning-post-drag"),c.isPlacing=!1,c.copyPlaceRectPosition()),g.unstamp(b),g.sortItemsByPosition(),d&&g.dispatchEvent("dragItemPositioned",null,[c]),!0)}},i.prototype.bindDraggabillyEvents=function(a){a.on("dragStart",this.handleDraggabilly.dragStart),a.on("dragMove",this.handleDraggabilly.dragMove),a.on("dragEnd",this.handleDraggabilly.dragEnd)},i.prototype.bindUIDraggableEvents=function(a){a.on("dragstart",this.handleUIDraggable.start).on("drag",this.handleUIDraggable.drag).on("dragstop",this.handleUIDraggable.stop)},i.Rect=d,i.Packer=e,i});
\ No newline at end of file
diff --git a/js/packery.js b/js/packery.js
index 028049a..f09fc70 100644
--- a/js/packery.js
+++ b/js/packery.js
@@ -1,5 +1,5 @@
/*!
- * Packery v1.4.1
+ * Packery v1.4.2
* bin-packing layout library
*
* Licensed GPLv3 for open source use
@@ -328,7 +328,7 @@ Packery.prototype._bindFitEvents = function( item ) {
if ( ticks != 2 ) {
return;
}
- _this.emitEvent( 'fitComplete', [ item ] );
+ _this.dispatchEvent( 'fitComplete', null, [ item ] );
}
// when item is laid out
item.on( 'layout', function() {
@@ -473,7 +473,7 @@ Packery.prototype._getDragEndLayoutComplete = function( elem, item ) {
// emit item drag event now that everything is done
if ( itemNeedsPositioning ) {
- _this.emitEvent( 'dragItemPositioned', [ item ] );
+ _this.dispatchEvent( 'dragItemPositioned', null, [ item ] );
}
// listen once
return true;
diff --git a/package.json b/package.json
index 4834982..5f98fdc 100644
--- a/package.json
+++ b/package.json
@@ -1,13 +1,13 @@
{
"name": "packery",
- "version": "1.4.1",
+ "version": "1.4.2",
"description": "bin-packing layout library",
"main": "js/packery.js",
"dependencies": {
"desandro-classie": "1.x",
"desandro-get-style-property": "1.x",
"get-size": "1.2.x",
- "outlayer": "1.4.x"
+ "outlayer": "~1.4.1"
},
"devDependencies": {
"draggabilly": "1.x",
diff --git a/sandbox/draggabilly.html b/sandbox/draggabilly.html
index 5b682e9..a9dd6d3 100644
--- a/sandbox/draggabilly.html
+++ b/sandbox/draggabilly.html
@@ -109,10 +109,10 @@ Draggabilly
draggies.push( draggie );
}
- return draggies;
- packery.on( 'dragItemPositioned', function( pckry, item ) {
+ packery.on( 'dragItemPositioned', function( item ) {
console.log( 'drag item positioned', item.position.x, item.position.y );
});
+ return draggies;
}
diff --git a/sandbox/jquery-ui-draggable.html b/sandbox/jquery-ui-draggable.html
index 5b6cb1b..7a41740 100644
--- a/sandbox/jquery-ui-draggable.html
+++ b/sandbox/jquery-ui-draggable.html
@@ -75,7 +75,8 @@ jQuery UI Draggable
var itemElems = $ex4.packery('getItemElements');
var $itemElems = $( itemElems ).draggable();
- function orderItems() {
+ function orderItems( event ) {
+ // console.log( event.type, arguments );
var itemElems = $ex4.packery('getItemElements');
$( itemElems ).each( function( i, elem ) {
$(elem).text( i+1 );
@@ -83,8 +84,8 @@ jQuery UI Draggable
}
$ex4.packery( 'bindUIDraggableEvents', $itemElems );
- $ex4.packery( 'on', 'dragItemPositioned', orderItems );
- $ex4.packery( 'on', 'layoutComplete', orderItems );
+ $ex4.on( 'dragItemPositioned', orderItems );
+ $ex4.on( 'layoutComplete', orderItems );
// ----- random sized ----- //