"Drag and drop images with serialize"
Bootstrap 3.0.0 Snippet by msurguy

<div class="container"> <div class="row"> <div class="col-md-12"> <h1>Drag and drop images...</h1> <div class="drag"> <img rel="1" src="http://lorempixel.com/200/200/city/1" class="img-thumbnail"> <img rel="2" src="http://lorempixel.com/200/200/city/2" class="img-thumbnail"> <img rel="3" src="http://lorempixel.com/200/200/city/3" class="img-thumbnail"> </div> <p id="output">1,2,3</p> </div> </div> </div>
body.dragging, body.dragging * { cursor: move !important; } div.drag img{ margin: 5px; -moz-transition:width 0.3s, height 0.3s; -webkit-transition:width 0.3s, height 0.3s; -o-transition:width 0.3s, height 0.3s; transition:width 0.3s, height 0.3s; } .dragged { position: absolute; opacity: 0.5; z-index: 2000; } div.drag .placeholder:before { position: absolute; } div.drag .placeholder{ vertical-align: middle; display: inline-block; background-color: #CCC; width: 200px; height: 200px; position: relative; border: 2px dashed #000; line-height: 1.428571429; background-color: #fff; border-radius: 4px; padding: 4px; }
// Using http://johnny.github.io/jquery-sortable for sorting !function(e,x,h){function r(a,b){var c=Math.max(0,a[0]-b[0],b[0]-a[1]),d=Math.max(0,a[2]-b[1],b[1]-a[3]);return c+d}function s(a,b,c,d){for(var f=a.length,d=d?"offset":"position",c=c||0;f--;){var k=a[f].el?a[f].el:e(a[f]),i=k[d]();i.left+=parseInt(k.css("margin-left"),10);i.top+=parseInt(k.css("margin-top"),10);b[f]=[i.left-c,i.left+k.outerWidth()+c,i.top-c,i.top+k.outerHeight()+c]}}function l(a,b){var c=b.offset();return{left:a.left-c.left,top:a.top-c.top}}function t(a,b,c){for(var b=[b.left,b.top], c=c&&[c.left,c.top],d,f=a.length,e=[];f--;)d=a[f],e[f]=[f,r(d,b),c&&r(d,c)];return e=e.sort(function(a,b){return b[1]-a[1]||b[2]-a[2]||b[0]-a[0]})}function m(a){this.options=e.extend({},j,a);this.containers=[];this.scrollProxy=e.proxy(this.scroll,this);this.dragProxy=e.proxy(this.drag,this);this.dropProxy=e.proxy(this.drop,this);this.options.parentContainer||(this.placeholder=e(this.options.placeholder),a.isValidTarget||(this.options.isValidTarget=h))}function n(a,b){this.el=a;this.options=e.extend({}, v,b);this.group=m.get(this.options);this.rootGroup=this.options.rootGroup=this.options.rootGroup||this.group;this.parentContainer=this.options.parentContainer;this.handle=this.rootGroup.options.handle||this.rootGroup.options.itemSelector;this.el.on(o.start,this.handle,e.proxy(this.dragInit,this));this.options.drop&&this.group.containers.push(this)}var o,v={drag:!0,drop:!0,exclude:"",nested:!0,vertical:!0},j={afterMove:function(){},containerPath:"",containerSelector:"ol, ul",distance:0,handle:"",itemPath:"", itemSelector:"li",isValidTarget:function(){return!0},onCancel:function(){},onDrag:function(a,b){a.css(b)},onDragStart:function(a){a.css({height:a.height(),width:a.width()});a.addClass("dragged");e("body").addClass("dragging")},onDrop:function(a){a.removeClass("dragged").removeAttr("style");e("body").removeClass("dragging")},onMousedown:function(a,b){b.preventDefault()},placeholder:'<li class="placeholder"/>',pullPlaceholder:!0,serialize:function(a,b,c){a=e.extend({},a.data());if(c)return b;b[0]&& (a.children=b,delete a.subContainer);delete a.sortable;return a},tolerance:0},p={},u=0,w={left:0,top:0,bottom:0,right:0};o={start:"touchstart.sortable mousedown.sortable",drop:"touchend.sortable touchcancel.sortable mouseup.sortable",drag:"touchmove.sortable mousemove.sortable",scroll:"scroll.sortable"};m.get=function(a){p[a.group]||(a.group||(a.group=u++),p[a.group]=new m(a));return p[a.group]};m.prototype={dragInit:function(a,b){this.$document=e(b.el[0].ownerDocument);b.enabled()?(this.toggleListeners("on"), this.item=e(a.target).closest(this.options.itemSelector),this.itemContainer=b,this.setPointer(a),this.options.onMousedown(this.item,a,j.onMousedown)):this.toggleListeners("on",["drop"]);this.dragInitDone=!0},drag:function(a){if(!this.dragging){if(!this.distanceMet(a))return;this.options.onDragStart(this.item,this.itemContainer,j.onDragStart);this.item.before(this.placeholder);this.dragging=!0}this.setPointer(a);this.options.onDrag(this.item,l(this.pointer,this.item.offsetParent()),j.onDrag);var b= a.pageX,a=a.pageY,c=this.sameResultBox,d=this.options.tolerance;if(!c||c.top-d>a||c.bottom+d<a||c.left-d>b||c.right+d<b)this.searchValidTarget()||this.placeholder.detach()},drop:function(){this.toggleListeners("off");this.dragInitDone=!1;if(this.dragging){if(this.placeholder.closest("html")[0])this.placeholder.before(this.item).detach();else this.options.onCancel(this.item,this.itemContainer,j.onCancel);this.options.onDrop(this.item,this.getContainer(this.item),j.onDrop);this.clearDimensions();this.clearOffsetParent(); this.lastAppendedItem=this.sameResultBox=h;this.dragging=!1}},searchValidTarget:function(a,b){a||(a=this.relativePointer||this.pointer,b=this.lastRelativePointer||this.lastPointer);for(var c=t(this.getContainerDimensions(),a,b),d=c.length;d--;){var f=c[d][0];if(!c[d][1]||this.options.pullPlaceholder)if(f=this.containers[f],!f.disabled){if(!this.$getOffsetParent())var e=f.getItemOffsetParent(),a=l(a,e),b=l(b,e);if(f.searchValidTarget(a,b))return!0}}this.sameResultBox&&(this.sameResultBox=h)},movePlaceholder:function(a, b,c,d){var f=this.lastAppendedItem;if(d||!(f&&f[0]===b[0]))b[c](this.placeholder),this.lastAppendedItem=b,this.sameResultBox=d,this.options.afterMove(this.placeholder,a)},getContainerDimensions:function(){this.containerDimensions||s(this.containers,this.containerDimensions=[],this.options.tolerance,!this.$getOffsetParent());return this.containerDimensions},getContainer:function(a){return a.closest(this.options.containerSelector).data("sortable")},$getOffsetParent:function(){if(this.offsetParent=== h){var a=this.containers.length-1,b=this.containers[a].getItemOffsetParent();if(!this.options.parentContainer)for(;a--;)if(b[0]!=this.containers[a].getItemOffsetParent()[0]){b=!1;break}this.offsetParent=b}return this.offsetParent},setPointer:function(a){a={left:a.pageX,top:a.pageY};if(this.$getOffsetParent()){var b=l(a,this.$getOffsetParent());this.lastRelativePointer=this.relativePointer;this.relativePointer=b}this.lastPointer=this.pointer;this.pointer=a},distanceMet:function(a){return Math.max(Math.abs(this.pointer.left- a.pageX),Math.abs(this.pointer.top-a.pageY))>=this.options.distance},scroll:function(){this.clearDimensions();this.clearOffsetParent()},toggleListeners:function(a,b){var c=this,b=b||["drag","drop","scroll"];e.each(b,function(b,f){c.$document[a](o[f],c[f+"Proxy"])})},clearOffsetParent:function(){this.offsetParent=h},clearDimensions:function(){this.containerDimensions=h;for(var a=this.containers.length;a--;)this.containers[a].clearDimensions()}};n.prototype={dragInit:function(a){var b=this.rootGroup; !b.dragInitDone&&1===a.which&&this.options.drag&&!e(a.target).is(this.options.exclude)&&b.dragInit(a,this)},searchValidTarget:function(a,b){var c=t(this.getItemDimensions(),a,b),d=c.length,f=this.rootGroup,e=!f.options.isValidTarget||f.options.isValidTarget(f.item,this);if(!d&&e)return f.movePlaceholder(this,this.el,"append"),!0;for(;d--;)if(f=c[d][0],!c[d][1]&&this.hasChildGroup(f)){if(this.getContainerGroup(f).searchValidTarget(a,b))return!0}else if(e)return this.movePlaceholder(f,a),!0},movePlaceholder:function(a, b){var c=e(this.items[a]),d=this.itemDimensions[a],f="after",h=c.outerWidth(),i=c.outerHeight(),g=c.offset(),g={left:g.left,right:g.left+h,top:g.top,bottom:g.top+i};this.options.vertical?b.top<=(d[2]+d[3])/2?(f="before",g.bottom-=i/2):g.top+=i/2:b.left<=(d[0]+d[1])/2?(f="before",g.right-=h/2):g.left+=h/2;this.hasChildGroup(a)&&(g=w);this.rootGroup.movePlaceholder(this,c,f,g)},getItemDimensions:function(){this.itemDimensions||(this.items=this.$getChildren(this.el,"item").filter(":not(.placeholder, .dragged)").get(), s(this.items,this.itemDimensions=[],this.options.tolerance));return this.itemDimensions},getItemOffsetParent:function(){var a=this.el;return"relative"===a.css("position")||"absolute"===a.css("position")||"fixed"===a.css("position")?a:a.offsetParent()},hasChildGroup:function(a){return this.options.nested&&this.getContainerGroup(a)},getContainerGroup:function(a){var b=e.data(this.items[a],"subContainer");if(b===h){var c=this.$getChildren(this.items[a],"container"),b=!1;c[0]&&(b=e.extend({},this.options, {parentContainer:this,group:u++}),b=c.sortable(b).data("sortable").group);e.data(this.items[a],"subContainer",b)}return b},enabled:function(){return!this.disabled&&(!this.parentContainer||this.parentContainer.enabled())},$getChildren:function(a,b){var c=this.rootGroup.options,d=c[b+"Path"],c=c[b+"Selector"],a=e(a);d&&(a=a.find(d));return a.children(c)},_serialize:function(a,b){var c=this,d=this.$getChildren(a,b?"item":"container").not(this.options.exclude).map(function(){return c._serialize(e(this), !b)}).get();return this.rootGroup.options.serialize(a,d,b)},clearDimensions:function(){this.itemDimensions=h;if(this.items&&this.items[0])for(var a=this.items.length;a--;){var b=e.data(this.items[a],"subContainer");b&&b.clearDimensions()}}};var q={enable:function(){this.disabled=!1},disable:function(){this.disabled=!0},serialize:function(){return this._serialize(this.el,!0)}};e.extend(n.prototype,q);e.fn.sortable=function(a){var b=Array.prototype.slice.call(arguments,1);return this.map(function(){var c= e(this),d=c.data("sortable");if(d&&q[a])return q[a].apply(d,b)||this;!d&&(a===h||"object"===typeof a)&&c.data("sortable",new n(c,a));return this})}}(jQuery,window); $(document).ready(function() { var adjustment var group = $("div.drag").sortable({ group: 'drag', itemSelector: 'img', containerSelector: 'div', vertical: false, placeholder: '<div class="placeholder" />', pullPlaceholder: false, // set item relative to cursor position onDragStart: function ($item, container, _super) { var offset = $item.offset(), pointer = container.rootGroup.pointer adjustment = { left: pointer.left - offset.left, top: pointer.top - offset.top } _super($item, container) }, onDrop: function (item, container, _super) { console.log(group.sortable("serialize").get()); $('#output').text(group.sortable("serialize").get().join("\n")) _super(item, container) }, onDrag: function ($item, position) { $item.css({ width: 180, height: 180, left: position.left - adjustment.left, top: position.top - adjustment.top }) }, serialize: function (parent, children, isContainer) { return isContainer ? children.join() : parent.attr('rel') } }) });

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