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jquery-sortable-min.js 9.1KB

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  1. !function(d,y,k,j){function s(a,b){var c=Math.max(0,a[0]-b[0],b[0]-a[1]),e=Math.max(0,a[2]-b[1],b[1]-a[3]);return c+e}function t(a,b,c,e){for(var h=a.length,e=e?"offset":"position",c=c||0;h--;){var f=a[h].el?a[h].el:d(a[h]),i=f[e]();i.left+=parseInt(f.css("margin-left"),10);i.top+=parseInt(f.css("margin-top"),10);b[h]=[i.left-c,i.left+f.outerWidth()+c,i.top-c,i.top+f.outerHeight()+c]}}function m(a,b){var c=b.offset();return{left:a.left-c.left,top:a.top-c.top}}function u(a,b,c){for(var b=[b.left,b.top],
  2. c=c&&[c.left,c.top],e,h=a.length,d=[];h--;)e=a[h],d[h]=[h,s(e,b),c&&s(e,c)];return d=d.sort(function(a,b){return b[1]-a[1]||b[2]-a[2]||b[0]-a[0]})}function n(a){this.options=d.extend({},l,a);this.containers=[];this.options.rootGroup||(this.scrollProxy=d.proxy(this.scroll,this),this.dragProxy=d.proxy(this.drag,this),this.dropProxy=d.proxy(this.drop,this),this.placeholder=d(this.options.placeholder),a.isValidTarget||(this.options.isValidTarget=j))}function q(a,b){this.el=a;this.options=d.extend({},
  3. w,b);this.group=n.get(this.options);this.rootGroup=this.options.rootGroup||this.group;this.handle=this.rootGroup.options.handle||this.rootGroup.options.itemSelector;var c=this.rootGroup.options.itemPath;this.target=c?this.el.find(c):this.el;this.target.on(o.start,this.handle,d.proxy(this.dragInit,this));this.options.drop&&this.group.containers.push(this)}var o,w={drag:!0,drop:!0,exclude:"",nested:!0,vertical:!0},l={afterMove:function(){},containerPath:"",containerSelector:"ol, ul",distance:0,delay:0,
  4. 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");d("body").addClass("dragging")},onDrop:function(a){a.removeClass("dragged").removeAttr("style");d("body").removeClass("dragging")},onMousedown:function(a,b,c){if(!c.target.nodeName.match(/^(input|select)$/i))return c.preventDefault(),!0},placeholder:'<li class="placeholder"/>',pullPlaceholder:!0,
  5. serialize:function(a,b,c){a=d.extend({},a.data());if(c)return[b];b[0]&&(a.children=b);delete a.subContainers;delete a.sortable;return a},tolerance:0},p={},v=0,x={left:0,top:0,bottom:0,right:0};o={start:"touchstart.sortable mousedown.sortable",drop:"touchend.sortable touchcancel.sortable mouseup.sortable",drag:"touchmove.sortable mousemove.sortable",scroll:"scroll.sortable"};n.get=function(a){p[a.group]||(a.group===j&&(a.group=v++),p[a.group]=new n(a));return p[a.group]};n.prototype={dragInit:function(a,
  6. b){this.$document=d(b.el[0].ownerDocument);this.item=d(a.target).closest(this.options.itemSelector);this.itemContainer=b;!this.item.is(this.options.exclude)&&this.options.onMousedown(this.item,l.onMousedown,a)&&(this.setPointer(a),this.toggleListeners("on"),this.setupDelayTimer(),this.dragInitDone=!0)},drag:function(a){if(!this.dragging){if(!this.distanceMet(a)||!this.delayMet)return;this.options.onDragStart(this.item,this.itemContainer,l.onDragStart,a);this.item.before(this.placeholder);this.dragging=
  7. !0}this.setPointer(a);this.options.onDrag(this.item,m(this.pointer,this.item.offsetParent()),l.onDrag,a);var b=a.pageX||a.originalEvent.pageX,a=a.pageY||a.originalEvent.pageY,c=this.sameResultBox,e=this.options.tolerance;if(!c||c.top-e>a||c.bottom+e<a||c.left-e>b||c.right+e<b)this.searchValidTarget()||this.placeholder.detach()},drop:function(a){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,
  8. this.itemContainer,l.onCancel,a);this.options.onDrop(this.item,this.getContainer(this.item),l.onDrop,a);this.clearDimensions();this.clearOffsetParent();this.lastAppendedItem=this.sameResultBox=j;this.dragging=!1}},searchValidTarget:function(a,b){a||(a=this.relativePointer||this.pointer,b=this.lastRelativePointer||this.lastPointer);for(var c=u(this.getContainerDimensions(),a,b),e=c.length;e--;){var d=c[e][0];if(!c[e][1]||this.options.pullPlaceholder)if(d=this.containers[d],!d.disabled){if(!this.$getOffsetParent())var f=
  9. d.getItemOffsetParent(),a=m(a,f),b=m(b,f);if(d.searchValidTarget(a,b))return!0}}this.sameResultBox&&(this.sameResultBox=j)},movePlaceholder:function(a,b,c,e){var d=this.lastAppendedItem;if(e||!(d&&d[0]===b[0]))b[c](this.placeholder),this.lastAppendedItem=b,this.sameResultBox=e,this.options.afterMove(this.placeholder,a,b)},getContainerDimensions:function(){this.containerDimensions||t(this.containers,this.containerDimensions=[],this.options.tolerance,!this.$getOffsetParent());return this.containerDimensions},
  10. getContainer:function(a){return a.closest(this.options.containerSelector).data(k)},$getOffsetParent:function(){if(this.offsetParent===j){var a=this.containers.length-1,b=this.containers[a].getItemOffsetParent();if(!this.options.rootGroup)for(;a--;)if(b[0]!=this.containers[a].getItemOffsetParent()[0]){b=!1;break}this.offsetParent=b}return this.offsetParent},setPointer:function(a){a=this.getPointer(a);if(this.$getOffsetParent()){var b=m(a,this.$getOffsetParent());this.lastRelativePointer=this.relativePointer;
  11. this.relativePointer=b}this.lastPointer=this.pointer;this.pointer=a},distanceMet:function(a){a=this.getPointer(a);return Math.max(Math.abs(this.pointer.left-a.left),Math.abs(this.pointer.top-a.top))>=this.options.distance},getPointer:function(a){return{left:a.pageX||a.originalEvent.pageX,top:a.pageY||a.originalEvent.pageY}},setupDelayTimer:function(){var a=this;this.delayMet=!this.options.delay;this.delayMet||(clearTimeout(this._mouseDelayTimer),this._mouseDelayTimer=setTimeout(function(){a.delayMet=
  12. !0},this.options.delay))},scroll:function(){this.clearDimensions();this.clearOffsetParent()},toggleListeners:function(a){var b=this;d.each(["drag","drop","scroll"],function(c,e){b.$document[a](o[e],b[e+"Proxy"])})},clearOffsetParent:function(){this.offsetParent=j},clearDimensions:function(){this.traverse(function(a){a._clearDimensions()})},traverse:function(a){a(this);for(var b=this.containers.length;b--;)this.containers[b].traverse(a)},_clearDimensions:function(){this.containerDimensions=j},_destroy:function(){p[this.options.group]=
  13. j}};q.prototype={dragInit:function(a){var b=this.rootGroup;!this.disabled&&!b.dragInitDone&&this.options.drag&&this.isValidDrag(a)&&b.dragInit(a,this)},isValidDrag:function(a){return 1==a.which||"touchstart"==a.type&&1==a.originalEvent.touches.length},searchValidTarget:function(a,b){var c=u(this.getItemDimensions(),a,b),e=c.length,d=this.rootGroup,f=!d.options.isValidTarget||d.options.isValidTarget(d.item,this);if(!e&&f)return d.movePlaceholder(this,this.target,"append"),!0;for(;e--;)if(d=c[e][0],
  14. !c[e][1]&&this.hasChildGroup(d)){if(this.getContainerGroup(d).searchValidTarget(a,b))return!0}else if(f)return this.movePlaceholder(d,a),!0},movePlaceholder:function(a,b){var c=d(this.items[a]),e=this.itemDimensions[a],h="after",f=c.outerWidth(),i=c.outerHeight(),g=c.offset(),g={left:g.left,right:g.left+f,top:g.top,bottom:g.top+i};this.options.vertical?b.top<=(e[2]+e[3])/2?(h="before",g.bottom-=i/2):g.top+=i/2:b.left<=(e[0]+e[1])/2?(h="before",g.right-=f/2):g.left+=f/2;this.hasChildGroup(a)&&(g=x);
  15. this.rootGroup.movePlaceholder(this,c,h,g)},getItemDimensions:function(){this.itemDimensions||(this.items=this.$getChildren(this.el,"item").filter(":not(.placeholder, .dragged)").get(),t(this.items,this.itemDimensions=[],this.options.tolerance));return this.itemDimensions},getItemOffsetParent:function(){var a=this.el;return"relative"===a.css("position")||"absolute"===a.css("position")||"fixed"===a.css("position")?a:a.offsetParent()},hasChildGroup:function(a){return this.options.nested&&this.getContainerGroup(a)},
  16. getContainerGroup:function(a){var b=d.data(this.items[a],"subContainers");if(b===j){var c=this.$getChildren(this.items[a],"container"),b=!1;c[0]&&(b=d.extend({},this.options,{rootGroup:this.rootGroup,group:v++}),b=c[k](b).data(k).group);d.data(this.items[a],"subContainers",b)}return b},$getChildren:function(a,b){var c=this.rootGroup.options,e=c[b+"Path"],c=c[b+"Selector"],a=d(a);e&&(a=a.find(e));return a.children(c)},_serialize:function(a,b){var c=this,e=this.$getChildren(a,b?"item":"container").not(this.options.exclude).map(function(){return c._serialize(d(this),
  17. !b)}).get();return this.rootGroup.options.serialize(a,e,b)},traverse:function(a){d.each(this.items||[],function(){var b=d.data(this,"subContainers");b&&b.traverse(a)});a(this)},_clearDimensions:function(){this.itemDimensions=j},_destroy:function(){var a=this;this.target.off(o.start,this.handle);this.el.removeData(k);this.options.drop&&(this.group.containers=d.grep(this.group.containers,function(b){return b!=a}));d.each(this.items||[],function(){d.removeData(this,"subContainers")})}};var r={enable:function(){this.traverse(function(a){a.disabled=
  18. !1})},disable:function(){this.traverse(function(a){a.disabled=!0})},serialize:function(){return this._serialize(this.el,!0)},refresh:function(){this.traverse(function(a){a._clearDimensions()})},destroy:function(){this.traverse(function(a){a._destroy()})}};d.extend(q.prototype,r);d.fn[k]=function(a){var b=Array.prototype.slice.call(arguments,1);return this.map(function(){var c=d(this),e=c.data(k);if(e&&r[a])return r[a].apply(e,b)||this;!e&&(a===j||"object"===typeof a)&&c.data(k,new q(c,a));return this})}}(jQuery,
  19. window,"sortable");