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