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/*! Buttons for DataTables 3.1.2
 * © SpryMedia Ltd - datatables.net/license
 */
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n;m.activeElement&&m.activeElement!==m.body||(n=String.fromCharCode(t.keyCode).toLowerCase(),-1!==e.s.listenKeys.toLowerCase().indexOf(n)&&e._keypress(n,t))})},_addKey:function(t){t.key&&(this.s.listenKeys+=(x.isPlainObject(t.key)?t.key:t).key)},_draw:function(t,n){t||(t=this.dom.container,n=this.s.buttons),t.children().detach();for(var e=0,o=n.length;e<o;e++)t.append(n[e].inserter),t.append(" "),n[e].buttons&&n[e].buttons.length&&this._draw(n[e].collection,n[e].buttons)},_expandButton:function(t,n,e,o,i,s,r){for(var a,l=this.s.dt,c=this.c.dom.collection,u=Array.isArray(n)?n:[n],d=0,f=(u=void 0===n?Array.isArray(e)?e:[e]:u).length;d<f;d++){var p=this._resolveExtends(u[d]);if(p)if(a=!(!p.config||!p.config.split),Array.isArray(p))this._expandButton(t,p,void 0!==h&&void 0!==h.conf?h.conf.split:void 0,o,void 0!==r&&void 0!==r.split,s,r);else{var h=this._buildButton(p,o,void 0!==p.split||void 0!==p.config&&void 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s,r,a,l,c,u=this,d=this.c.dom,f=this.s.dt,p=x.extend(!0,{},d.button);if(t&&e&&d.collection.split?x.extend(!0,p,d.collection.split.action):o||t?x.extend(!0,p,d.collection.button):e&&x.extend(!0,p,d.split.button),n.spacer)return d=x("<"+p.spacer.tag+"/>").addClass("dt-button-spacer "+n.style+" "+p.spacer.className).html(i(n.text)),{conf:n,node:d,inserter:d,buttons:[],inCollection:t,isSplit:e,collection:null,textNode:d};if(n.available&&!n.available(f,n)&&!n.html)return!1;n.html?c=x(n.html):(r=function(t,n,e,o,i){o.action.call(n.button(e),t,n,e,o,i),x(n.table().node()).triggerHandler("buttons-action.dt",[n.button(e),n,e,o])},a=function(t,n,e,o){o.async?(u.processing(e[0],!0),setTimeout(function(){r(t,n,e,o,function(){u.processing(e[0],!1)})},o.async)):r(t,n,e,o,function(){})},d=n.tag||p.tag,l=void 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h,b,g,m,v,y,d=this.c.dom.buttonContainer,d=d&&d.tag?x("<"+d.tag+"/>").addClass(d.className).append(c):c;return this._addKey(n),this.c.buttonCreated&&(d=this.c.buttonCreated(n,d)),e&&(b=(h=t?x.extend(!0,this.c.dom.split,this.c.dom.collection.split):this.c.dom.split).wrapper,g=x("<"+b.tag+"/>").addClass(b.className).append(c),m=x.extend(n,{align:h.dropdown.align,attr:{"aria-haspopup":"dialog","aria-expanded":!1},className:h.dropdown.className,closeButton:!1,splitAlignClass:h.dropdown.splitAlignClass,text:h.dropdown.text}),this._addKey(m),v=function(t,n,e,o){w.split.action.call(n.button(g),t,n,e,o),x(n.table().node()).triggerHandler("buttons-action.dt",[n.button(e),n,e,o]),e.attr("aria-expanded",!0)},y=x('<button class="'+h.dropdown.className+' 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n,e,o=0,i=t.length;o<i;o++)n=t[o].conf,e=t[o].node,!n.key||n.key!==s&&(!x.isPlainObject(n.key)||n.key.key!==s||n.key.shiftKey&&!r.shiftKey||n.key.altKey&&!r.altKey||n.key.ctrlKey&&!r.ctrlKey||n.key.metaKey&&!r.metaKey)||(r._buttonsHandled=!0,x(e).click()),t[o].buttons.length&&a(t[o].buttons)})(this.s.buttons)},_removeKey:function(t){var n;t.key&&(t=(x.isPlainObject(t.key)?t.key:t).key,n=this.s.listenKeys.split(""),t=x.inArray(t,n),n.splice(t,1),this.s.listenKeys=n.join(""))},_resolveExtends:function(e){function t(t){for(var n=0;!x.isPlainObject(t)&&!Array.isArray(t);){if(void 0===t)return;if("function"==typeof t){if(!(t=t.call(i,s,e)))return!1}else if("string"==typeof t){if(!w[t])return{html:t};t=w[t]}if(30<++n)throw"Buttons: Too many iterations"}return Array.isArray(t)?t:x.extend({},t)}var n,o,i=this,s=this.s.dt;for(e=t(e);e&&e.extend;){if(!w[e.extend])throw"Cannot extend unknown button type: "+e.extend;var r=t(w[e.extend]);if(Array.isArray(r))return r;if(!r)return!1;var 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