| 5 | (function(t){function e(t,e,i){return t>e&&e+i>t}t.widget("ui.droppable",{version:"1.10.4",widgetEventPrefix:"drop",options:{accept:"*",activeClass:!1,addClasses:!0,greedy:!1,hoverClass:!1,scope:"default",tolerance:"intersect",activate:null,deactivate:null,drop:null,out:null,over:null},_create:function(){var e,i=this.options,s=i.accept;this.isover=!1,this.isout=!0,this.accept=t.isFunction(s)?s:function(t){return t.is(s)},this.proportions=function(){return arguments.length?(e=arguments[0],undefined):e?e:e={width:this.element[0].offsetWidth,height:this.element[0].offsetHeight}},t.ui.ddmanager.droppables[i.scope]=t.ui.ddmanager.droppables[i.scope]||[],t.ui.ddmanager.droppables[i.scope].push(this),i.addClasses&&this.element.addClass("ui-droppable")},_destroy:function(){for(var e=0,i=t.ui.ddmanager.droppables[this.options.scope];i.length>e;e++)i[e]===this&&i.splice(e,1);this.element.removeClass("ui-droppable ui-droppable-disabled")},_setOption:function(e,i){"accept"===e&&(this.accept=t.isFunction(i)?i:function(t){return t.is(i)}),t.Widget.prototype._setOption.apply(this,arguments)},_activate:function(e){var i=t.ui.ddmanager.current;this.options.activeClass&&this.element.addClass(this.options.activeClass),i&&this._trigger("activate",e,this.ui(i))},_deactivate:function(e){var i=t.ui.ddmanager.current;this.options.activeClass&&this.element.removeClass(this.options.activeClass),i&&this._trigger("deactivate",e,this.ui(i))},_over:function(e){var i=t.ui.ddmanager.current;i&&(i.currentItem||i.element)[0]!==this.element[0]&&this.accept.call(this.element[0],i.currentItem||i.element)&&(this.options.hoverClass&&this.element.addClass(this.options.hoverClass),this._trigger("over",e,this.ui(i)))},_out:function(e){var i=t.ui.ddmanager.current;i&&(i.currentItem||i.element)[0]!==this.element[0]&&this.accept.call(this.element[0],i.currentItem||i.element)&&(this.options.hoverClass&&this.element.removeClass(this.options.hoverClass),this._trigger("out",e,this.ui(i)))},_drop:function(e,i){var s=i||t.ui.ddmanager.current,n=!1;return s&&(s.currentItem||s.element)[0]!==this.element[0]?(this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function(){var e=t.data(this,"ui-droppable");return e.options.greedy&&!e.options.disabled&&e.options.scope===s.options.scope&&e.accept.call(e.element[0],s.currentItem||s.element)&&t.ui.intersect(s,t.extend(e,{offset:e.element.offset()}),e.options.tolerance)?(n=!0,!1):undefined}),n?!1:this.accept.call(this.element[0],s.currentItem||s.element)?(this.options.activeClass&&this.element.removeClass(this.options.activeClass),this.options.hoverClass&&this.element.removeClass(this.options.hoverClass),this._trigger("drop",e,this.ui(s)),this.element):!1):!1},ui:function(t){return{draggable:t.currentItem||t.element,helper:t.helper,position:t.position,offset:t.positionAbs}}}),t.ui.intersect=function(t,i,s){if(!i.offset)return!1;var n,a,o=(t.positionAbs||t.position.absolute).left,r=(t.positionAbs||t.position.absolute).top,l=o+t.helperProportions.width,h=r+t.helperProportions.height,c=i.offset.left,u=i.offset.top,d=c+i.proportions().width,p=u+i.proportions().height;switch(s){case"fit":return o>=c&&d>=l&&r>=u&&p>=h;case"intersect":return o+t.helperProportions.width/2>c&&d>l-t.helperProportions.width/2&&r+t.helperProportions.height/2>u&&p>h-t.helperProportions.height/2;case"pointer":return n=(t.positionAbs||t.position.absolute).left+(t.clickOffset||t.offset.click).left,a=(t.positionAbs||t.position.absolute).top+(t.clickOffset||t.offset.click).top,e(a,u,i.proportions().height)&&e(n,c,i.proportions().width);case"touch":return(r>=u&&p>=r||h>=u&&p>=h||u>r&&h>p)&&(o>=c&&d>=o||l>=c&&d>=l||c>o&&l>d);default:return!1}},t.ui.ddmanager={current:null,droppables:{"default":[]},prepareOffsets:function(e,i){var s,n,a=t.ui.ddmanager.droppables[e.options.scope]||[],o=i?i.type:null,r=(e.currentItem||e.element).find(":data(ui-droppable)").addBack();t:for(s=0;a.length>s;s++)if(!(a[s].options.disabled||e&&!a[s].accept.call(a[s].element[0],e.currentItem||e.element))){for(n=0;r.length>n;n++)if(r[n]===a[s].element[0]){a[s].proportions().height=0;continue t}a[s].visible="none"!==a[s].element.css("display"),a[s].visible&&("mousedown"===o&&a[s]._activate.call(a[s],i),a[s].offset=a[s].element.offset(),a[s].proportions({width:a[s].element[0].offsetWidth,height:a[s].element[0].offsetHeight}))}},drop:function(e,i){var s=!1;return t.each((t.ui.ddmanager.droppables[e.options.scope]||[]).slice(),function(){this.options&&(!this.options.disabled&&this.visible&&t.ui.intersect(e,this,this.options.tolerance)&&(s=this._drop.call(this,i)||s),!this.options.disabled&&this.visible&&this.accept.call(this.element[0],e.currentItem||e.element)&&(this.isout=!0,this.isover=!1,this._deactivate.call(this,i)))}),s},dragStart:function(e,i){e.element.parentsUntil("body").bind("scroll.droppable",function(){e.options.refreshPositions||t.ui.ddmanager.prepareOffsets(e,i)})},drag:function(e,i){e.options.refreshPositions&&t.ui.ddmanager.prepareOffsets(e,i),t.each(t.ui.ddmanager.droppables[e.options.scope]||[],function(){if(!this.options.disabled&&!this.greedyChild&&this.visible){var s,n,a,o=t.ui.intersect(e,this,this.options.tolerance),r=!o&&this.isover?"isout":o&&!this.isover?"isover":null;r&&(this.options.greedy&&(n=this.options.scope,a=this.element.parents(":data(ui-droppable)").filter(function(){return t.data(this,"ui-droppable").options.scope===n}),a.length&&(s=t.data(a[0],"ui-droppable"),s.greedyChild="isover"===r)),s&&"isover"===r&&(s.isover=!1,s.isout=!0,s._out.call(s,i)),this[r]=!0,this["isout"===r?"isover":"isout"]=!1,this["isover"===r?"_over":"_out"].call(this,i),s&&"isout"===r&&(s.isout=!1,s.isover=!0,s._over.call(s,i)))}})},dragStop:function(e,i){e.element.parentsUntil("body").unbind("scroll.droppable"),e.options.refreshPositions||t.ui.ddmanager.prepareOffsets(e,i)}}})(jQuery); |
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