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File: rangy-core.min.js
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a,b,c=this._current;!L(c)||c!==this.sc&&c!==this.ec?c.parentNode&&c.parentNode.removeChild(c):(a=c===this.sc?this.so:0,b=c===this.ec?this.eo:c.length,a!=b&&c.deleteData(a,b-a))},isPartiallySelectedSubtree:function(){var a=this._current;return b(a,this.range)},getSubtreeIterator:function(){var a;if(this.isSingleCharacterDataNode)a=this.range.cloneRange(),a.collapse(!1);else{a=new G(c(this.range));var b=this._current,d=b,e=0,f=b,g=S(b);N(b,this.sc)&&(d=this.sc,e=this.so),N(b,this.ec)&&(f=this.ec,g=this.eo),F(a,d,e,f,g)}return new n(a,this.clonePartiallySelectedTextNodes)},detach:function(){this.range=this._current=this._next=this._first=this._last=this.sc=this.so=this.ec=this.eo=null}};var W=[1,3,4,5,7,8,10],X=[2,9,11],Y=[5,6,10,12],Z=[1,3,4,5,7,8,10,11],$=[1,3,4,5,7,8],_=o([9,11]),aa=o(Y),ba=o([6,10,12]),ca=document.createElement("style"),da=!1;try{ca.innerHTML="<b>x</b>",da=3==ca.firstChild.nodeType}catch(ea){}a.features.htmlParsingConforms=da;var fa=da?function(a){var b=this.startContainer,c=O(b);if(!b)throw new K("INVALID_STATE_ERR");var d=null;return 1==b.nodeType?d=b:L(b)&&(d=H.parentElement(b)),d=null===d||"HTML"==d.nodeName&&H.isHtmlNamespace(O(d).documentElement)&&H.isHtmlNamespace(d)?c.createElement("body"):d.cloneNode(!1),d.innerHTML=a,H.fragmentFromNodeChildren(d)}:function(a){var b=c(this),d=b.createElement("body");return d.innerHTML=a,H.fragmentFromNodeChildren(d)},ga=["startContainer","startOffset","endContainer","endOffset","collapsed","commonAncestorContainer"],ha=0,ia=1,ja=2,ka=3,la=0,ma=1,na=2,oa=3;I.extend(a.rangePrototype,{compareBoundaryPoints:function(a,b){y(this),s(this.startContainer,b.startContainer);var c,d,e,f,g=a==ka||a==ha?"start":"end",h=a==ia||a==ha?"start":"end";return c=this[g+"Container"],d=this[g+"Offset"],e=b[h+"Container"],f=b[h+"Offset"],P(c,d,e,f)},insertNode:function(a){if(y(this),q(a,Z),t(this.startContainer),N(a,this.startContainer))throw new K("HIERARCHY_REQUEST_ERR");var b=f(a,this.startContainer,this.startOffset);this.setStartBefore(b)},cloneContents:function(){y(this);var a,b;if(this.collapsed)return c(this).createDocumentFragment();if(this.startContainer===this.endContainer&&L(this.startContainer))return a=this.startContainer.cloneNode(!0),a.data=a.data.slice(this.startOffset,this.endOffset),b=c(this).createDocumentFragment(),b.appendChild(a),b;var d=new n(this,!0);return a=h(d),d.detach(),a},canSurroundContents:function(){y(this),t(this.startContainer),t(this.endContainer);var a=new n(this,!0),c=a._first&&b(a._first,this)||a._last&&b(a._last,this);return a.detach(),!c},surroundContents:function(a){if(q(a,$),!this.canSurroundContents())throw new K("INVALID_STATE_ERR");var b=this.extractContents();if(a.hasChildNodes())for(;a.lastChild;)a.removeChild(a.lastChild);f(a,this.startContainer,this.startOffset),a.appendChild(b),this.selectNode(a)},cloneRange:function(){y(this);for(var a,b=new G(c(this)),d=ga.length;d--;)a=ga[d],b[a]=this[a];return b},toString:function(){y(this);var a=this.startContainer;if(a===this.endContainer&&L(a))return 3==a.nodeType||4==a.nodeType?a.data.slice(this.startOffset,this.endOffset):"";var b=[],c=new n(this,!0);return i(c,function(a){(3==a.nodeType||4==a.nodeType)&&b.push(a.data)}),c.detach(),b.join("")},compareNode:function(a){y(this);var b=a.parentNode,c=M(a);if(!b)throw new K("NOT_FOUND_ERR");var d=this.comparePoint(b,c),e=this.comparePoint(b,c+1);return 0>d?e>0?na:la:e>0?ma:oa},comparePoint:function(a,b){return y(this),u(a,"HIERARCHY_REQUEST_ERR"),s(a,this.startContainer),P(a,b,this.startContainer,this.startOffset)<0?-1:P(a,b,this.endContainer,this.endOffset)>0?1:0},createContextualFragment:fa,toHtml:function(){y(this);var a=this.commonAncestorContainer.parentNode.cloneNode(!1);return a.appendChild(this.cloneContents()),a.innerHTML},intersectsNode:function(a,b){if(y(this),u(a,"NOT_FOUND_ERR"),O(a)!==c(this))return!1;var d=a.parentNode,e=M(a);u(d,"NOT_FOUND_ERR");var f=P(d,e,this.endContainer,this.endOffset),g=P(d,e+1,this.startContainer,this.startOffset);return b?0>=f&&g>=0:0>f&&g>0},isPointInRange:function(a,b){return y(this),u(a,"HIERARCHY_REQUEST_ERR"),s(a,this.startContainer),P(a,b,this.startContainer,this.startOffset)>=0&&P(a,b,this.endContainer,this.endOffset)<=0},intersectsRange:function(a){return g(this,a,!1)},intersectsOrTouchesRange:function(a){return g(this,a,!0)},intersection:function(a){if(this.intersectsRange(a)){var b=P(this.startContainer,this.startOffset,a.startContainer,a.startOffset),c=P(this.endContainer,this.endOffset,a.endContainer,a.endOffset),d=this.cloneRange();return-1==b&&d.setStart(a.startContainer,a.startOffset),1==c&&d.setEnd(a.endContainer,a.endOffset),d}return null},union:function(a){if(this.intersectsOrTouchesRange(a)){var b=this.cloneRange();return-1==P(a.startContainer,a.startOffset,this.startContainer,this.startOffset)&&b.setStart(a.startContainer,a.startOffset),1==P(a.endContainer,a.endOffset,this.endContainer,this.endOffset)&&b.setEnd(a.endContainer,a.endOffset),b}throw new K("Ranges do not intersect")},containsNode:function(a,b){return b?this.intersectsNode(a,!1):this.compareNode(a)==oa},containsNodeContents:function(a){return this.comparePoint(a,0)>=0&&this.comparePoint(a,S(a))<=0},containsRange:function(a){var b=this.intersection(a);return null!==b&&a.equals(b)},containsNodeText:function(a){var b=this.cloneRange();b.selectNode(a);var c=b.getNodes([3]);if(c.length>0){b.setStart(c[0],0);var d=c.pop();return b.setEnd(d,d.length),this.containsRange(b)}return this.containsNodeContents(a)},getNodes:function(a,b){return y(this),l(this,a,b)},getDocument:function(){return c(this)},collapseBefore:function(a){this.setEndBefore(a),this.collapse(!1)},collapseAfter:function(a){this.setStartAfter(a),this.collapse(!0)},getBookmark:function(b){var d=c(this),e=a.createRange(d);b=b||H.getBody(d),e.selectNodeContents(b);var f=this.intersection(e),g=0,h=0;return f&&(e.setEnd(f.startContainer,f.startOffset),g=e.toString().length,h=g+f.toString().length),{start:g,end:h,containerNode:b}},moveToBookmark:function(a){var b=a.containerNode,c=0;this.setStart(b,0),this.collapse(!0);for(var d,e,f,g,h=[b],i=!1,j=!1;!j&&(d=h.pop());)if(3==d.nodeType)e=c+d.length,!i&&a.start>=c&&a.start<=e&&(this.setStart(d,a.start-c),i=!0),i&&a.end>=c&&a.end<=e&&(this.setEnd(d,a.end-c),j=!0),c=e;else for(g=d.childNodes,f=g.length;f--;)h.push(g[f])},getName:function(){return"DomRange"},equals:function(a){return G.rangesEqual(this,a)},isValid:function(){return x(this)},inspect:function(){return m(this)},detach:function(){}}),D(G,F),I.extend(G,{rangeProperties:ga,RangeIterator:n,copyComparisonConstants:B,createPrototypeRange:D,inspect:m,getRangeDocument:c,rangesEqual:function(a,b){return a.startContainer===b.startContainer&&a.startOffset===b.startOffset&&a.endContainer===b.endContainer&&a.endOffset===b.endOffset}}),a.DomRange=G}),rangy.createCoreModule("WrappedRange",["DomRange"],function(a,b){var c,d,e=a.dom,f=a.util,g=e.DomPosition,h=a.DomRange,i=e.getBody,j=e.getContentDocument,k=e.isCharacterDataNode;if(a.features.implementsDomRange&&!function(){function d(a){for(var b,c=m.length;c--;)b=m[c],a[b]=a.nativeRange[b];a.collapsed=a.startContainer===a.endContainer&&a.startOffset===a.endOffset}function g(a,b,c,d,e){var f=a.startContainer!==b||a.startOffset!=c,g=a.endContainer!==d||a.endOffset!=e,h=!a.equals(a.nativeRange);(f||g||h)&&(a.setEnd(d,e),a.setStart(b,c))}var k,l,m=h.rangeProperties;c=function(a){if(!a)throw b.createError("WrappedRange: Range must be specified");this.nativeRange=a,d(this)},h.createPrototypeRange(c,g),k=c.prototype,k.selectNode=function(a){this.nativeRange.selectNode(a),d(this)},k.cloneContents=function(){return this.nativeRange.cloneContents()},k.surroundContents=function(a){this.nativeRange.surroundContents(a),d(this)},k.collapse=function(a){this.nativeRange.collapse(a),d(this)},k.cloneRange=function(){return new c(this.nativeRange.cloneRange())},k.refresh=function(){d(this)},k.toString=function(){return this.nativeRange.toString()};var n=document.createTextNode("test");i(document).appendChild(n);var o=document.createRange();o.setStart(n,0),o.setEnd(n,0);try{o.setStart(n,1),k.setStart=function(a,b){this.nativeRange.setStart(a,b),d(this)},k.setEnd=function(a,b){this.nativeRange.setEnd(a,b),d(this)},l=function(a){return function(b){this.nativeRange[a](b),d(this)}}}catch(p){k.setStart=function(a,b){try{this.nativeRange.setStart(a,b)}catch(c){this.nativeRange.setEnd(a,b),this.nativeRange.setStart(a,b)}d(this)},k.setEnd=function(a,b){try{this.nativeRange.setEnd(a,b)}catch(c){this.nativeRange.setStart(a,b),this.nativeRange.setEnd(a,b)}d(this)},l=function(a,b){return function(c){try{this.nativeRange[a](c)}catch(e){this.nativeRange[b](c),this.nativeRange[a](c)}d(this)}}}k.setStartBefore=l("setStartBefore","setEndBefore"),k.setStartAfter=l("setStartAfter","setEndAfter"),k.setEndBefore=l("setEndBefore","setStartBefore"),k.setEndAfter=l("setEndAfter","setStartAfter"),k.selectNodeContents=function(a){this.setStartAndEnd(a,0,e.getNodeLength(a))},o.selectNodeContents(n),o.setEnd(n,3);var q=document.createRange();q.selectNodeContents(n),q.setEnd(n,4),q.setStart(n,2),k.compareBoundaryPoints=-1==o.compareBoundaryPoints(o.START_TO_END,q)&&1==o.compareBoundaryPoints(o.END_TO_START,q)?function(a,b){return b=b.nativeRange||b,a==b.START_TO_END?a=b.END_TO_START:a==b.END_TO_START&&(a=b.START_TO_END),this.nativeRange.compareBoundaryPoints(a,b)}:function(a,b){return this.nativeRange.compareBoundaryPoints(a,b.nativeRange||b)};var r=document.createElement("div");r.innerHTML="123";var s=r.firstChild,t=i(document);t.appendChild(r),o.setStart(s,1),o.setEnd(s,2),o.deleteContents(),"13"==s.data&&(k.deleteContents=function(){this.nativeRange.deleteContents(),d(this)},k.extractContents=function(){var a=this.nativeRange.extractContents();return d(this),a}),t.removeChild(r),t=null,f.isHostMethod(o,"createContextualFragment")&&(k.createContextualFragment=function(a){return this.nativeRange.createContextualFragment(a)}),i(document).removeChild(n),k.getName=function(){return"WrappedRange"},a.WrappedRange=c,a.createNativeRange=function(a){return a=j(a,b,"createNativeRange"),a.createRange()}}(),a.features.implementsTextRange){var l=function(a){var b=a.parentElement(),c=a.duplicate();c.collapse(!0);var d=c.parentElement();c=a.duplicate(),c.collapse(!1);var f=c.parentElement(),g=d==f?d:e.getCommonAncestor(d,f);return g==b?g:e.getCommonAncestor(b,g)},m=function(a){return 0==a.compareEndPoints("StartToEnd",a)},n=function(a,b,c,d,f){var h=a.duplicate();h.collapse(c);var i=h.parentElement();if(e.isOrIsAncestorOf(b,i)||(i=b),!i.canHaveHTML){var j=new g(i.parentNode,e.getNodeIndex(i));return{boundaryPosition:j,nodeInfo:{nodeIndex:j.offset,containerElement:j.node}}}var l=e.getDocument(i).createElement("span");l.parentNode&&l.parentNode.removeChild(l);for(var m,n,o,p,q,r=c?"StartToStart":"StartToEnd",s=f&&f.containerElement==i?f.nodeIndex:0,t=i.childNodes.length,u=t,v=u;v==t?i.appendChild(l):i.insertBefore(l,i.childNodes[v]),h.moveToElementText(l),m=h.compareEndPoints(r,a),0!=m&&s!=u;){if(-1==m){if(u==s+1)break;s=v}else u=u==s+1?s:v;v=Math.floor((s+u)/2),i.removeChild(l)}if(q=l.nextSibling,-1==m&&q&&k(q)){h.setEndPoint(c?"EndToStart":"EndToEnd",a);var w;if(/[\r\n]/.test(q.data)){var x=h.duplicate(),y=x.text.replace(/\r\n/g,"\r").length;for(w=x.moveStart("character",y);-1==(m=x.compareEndPoints("StartToEnd",x));)w++,x.moveStart("character",1)}else w=h.text.length;p=new g(q,w)}else n=(d||!c)&&l.previousSibling,o=(d||c)&&l.nextSibling,p=o&&k(o)?new g(o,0):n&&k(n)?new g(n,n.data.length):new g(i,e.getNodeIndex(l));return l.parentNode.removeChild(l),{boundaryPosition:p,nodeInfo:{nodeIndex:v,containerElement:i}}},o=function(a,b){var c,d,f,g,h=a.offset,j=e.getDocument(a.node),l=i(j).createTextRange(),m=k(a.node);return m?(c=a.node,d=c.parentNode):(g=a.node.childNodes,c=h<g.length?g[h]:null,d=a.node),f=j.createElement("span"),f.innerHTML="&#feff;",c?d.insertBefore(f,c):d.appendChild(f),l.moveToElementText(f),l.collapse(!b),d.removeChild(f),m&&l[b?"moveStart":"moveEnd"]("character",h),l};if(d=function(a){this.textRange=a,this.refresh()},d.prototype=new h(document),d.prototype.refresh=function(){var a,b,c,d=l(this.textRange);m(this.textRange)?b=a=n(this.textRange,d,!0,!0).boundaryPosition:(c=n(this.textRange,d,!0,!1),a=c.boundaryPosition,b=n(this.textRange,d,!1,!1,c.nodeInfo).boundaryPosition),this.setStart(a.node,a.offset),this.setEnd(b.node,b.offset)},d.prototype.getName=function(){return"WrappedTextRange"},h.copyComparisonConstants(d),d.rangeToTextRange=function(a){if(a.collapsed)return o(new g(a.startContainer,a.startOffset),!0);var b=o(new g(a.startContainer,a.startOffset),!0),c=o(new g(a.endContainer,a.endOffset),!1),d=i(h.getRangeDocument(a)).createTextRange();return d.setEndPoint("StartToStart",b),d.setEndPoint("EndToEnd",c),d},a.WrappedTextRange=d,!a.features.implementsDomRange||a.config.preferTextRange){var p=function(){return this}();"undefined"==typeof p.Range&&(p.Range=d),a.createNativeRange=function(a){return a=j(a,b,"createNativeRange"), i(a).createTextRange()},a.WrappedRange=d}}a.createRange=function(c){return c=j(c,b,"createRange"),new a.WrappedRange(a.createNativeRange(c))},a.createRangyRange=function(a){return a=j(a,b,"createRangyRange"),new h(a)},a.createIframeRange=function(c){return b.deprecationNotice("createIframeRange()","createRange(iframeEl)"),a.createRange(c)},a.createIframeRangyRange=function(c){return b.deprecationNotice("createIframeRangyRange()","createRangyRange(iframeEl)"),a.createRangyRange(c)},a.addCreateMissingNativeApiListener(function(b){var c=b.document;"undefined"==typeof c.createRange&&(c.createRange=function(){return a.createRange(c)}),c=b=null})}),rangy.createCoreModule("WrappedSelection",["DomRange","WrappedRange"],function(a,b){function c(a){return"string"==typeof a?/^backward(s)?$/i.test(a):!!a}function d(a,c){if(a){if(C.isWindow(a))return a;if(a instanceof r)return a.win;var d=C.getContentDocument(a,b,c);return C.getWindow(d)}return window}function e(a){return d(a,"getWinSelection").getSelection()}function f(a){return d(a,"getDocSelection").document.selection}function g(a){var b=!1;return a.anchorNode&&(b=1==C.comparePoints(a.anchorNode,a.anchorOffset,a.focusNode,a.focusOffset)),b}function h(a,b,c){var d=c?"end":"start",e=c?"start":"end";a.anchorNode=b[d+"Container"],a.anchorOffset=b[d+"Offset"],a.focusNode=b[e+"Container"],a.focusOffset=b[e+"Offset"]}function i(a){var b=a.nativeSelection;a.anchorNode=b.anchorNode,a.anchorOffset=b.anchorOffset,a.focusNode=b.focusNode,a.focusOffset=b.focusOffset}function j(a){a.anchorNode=a.focusNode=null,a.anchorOffset=a.focusOffset=0,a.rangeCount=0,a.isCollapsed=!0,a._ranges.length=0}function k(b){var c;return b instanceof F?(c=a.createNativeRange(b.getDocument()),c.setEnd(b.endContainer,b.endOffset),c.setStart(b.startContainer,b.startOffset)):b instanceof G?c=b.nativeRange:J.implementsDomRange&&b instanceof C.getWindow(b.startContainer).Range&&(c=b),c}function l(a){if(!a.length||1!=a[0].nodeType)return!1;for(var b=1,c=a.length;c>b;++b)if(!C.isAncestorOf(a[0],a[b]))return!1;return!0}function m(a){var c=a.getNodes();if(!l(c))throw b.createError("getSingleElementFromRange: range "+a.inspect()+" did not consist of a single element");return c[0]}function n(a){return!!a&&"undefined"!=typeof a.text}function o(a,b){var c=new G(b);a._ranges=[c],h(a,c,!1),a.rangeCount=1,a.isCollapsed=c.collapsed}function p(b){if(b._ranges.length=0,"None"==b.docSelection.type)j(b);else{var c=b.docSelection.createRange();if(n(c))o(b,c);else{b.rangeCount=c.length;for(var d,e=L(c.item(0)),f=0;f<b.rangeCount;++f)d=a.createRange(e),d.selectNode(c.item(f)),b._ranges.push(d);b.isCollapsed=1==b.rangeCount&&b._ranges[0].collapsed,h(b,b._ranges[b.rangeCount-1],!1)}}}function q(a,c){for(var d=a.docSelection.createRange(),e=m(c),f=L(d.item(0)),g=M(f).createControlRange(),h=0,i=d.length;i>h;++h)g.add(d.item(h));try{g.add(e)}catch(j){throw b.createError("addRange(): Element within the specified Range could not be added to control selection (does it have layout?)")}g.select(),p(a)}function r(a,b,c){this.nativeSelection=a,this.docSelection=b,this._ranges=[],this.win=c,this.refresh()}function s(a){a.win=a.anchorNode=a.focusNode=a._ranges=null,a.rangeCount=a.anchorOffset=a.focusOffset=0,a.detached=!0}function t(a,b){for(var c,d,e=ba.length;e--;)if(c=ba[e],d=c.selection,"deleteAll"==b)s(d);else if(c.win==a)return"delete"==b?(ba.splice(e,1),!0):d;return"deleteAll"==b&&(ba.length=0),null}function u(a,c){for(var d,e=L(c[0].startContainer),f=M(e).createControlRange(),g=0,h=c.length;h>g;++g){d=m(c[g]);try{f.add(d)}catch(i){throw b.createError("setRanges(): Element within one of the specified Ranges could not be added to control selection (does it have layout?)")}}f.select(),p(a)}function v(a,b){if(a.win.document!=L(b))throw new H("WRONG_DOCUMENT_ERR")}function w(b){return function(c,d){var e;this.rangeCount?(e=this.getRangeAt(0),e["set"+(b?"Start":"End")](c,d)):(e=a.createRange(this.win.document),e.setStartAndEnd(c,d)),this.setSingleRange(e,this.isBackward())}}function x(a){var b=[],c=new I(a.anchorNode,a.anchorOffset),d=new I(a.focusNode,a.focusOffset),e="function"==typeof a.getName?a.getName():"Selection";if("undefined"!=typeof a.rangeCount)for(var f=0,g=a.rangeCount;g>f;++f)b[f]=F.inspect(a.getRangeAt(f));return"["+e+"(Ranges: "+b.join(", ")+")(anchor: "+c.inspect()+", focus: "+d.inspect()+"]"}a.config.checkSelectionRanges=!0;var y,z,A="boolean",B="number",C=a.dom,D=a.util,E=D.isHostMethod,F=a.DomRange,G=a.WrappedRange,H=a.DOMException,I=C.DomPosition,J=a.features,K="Control",L=C.getDocument,M=C.getBody,N=F.rangesEqual,O=E(window,"getSelection"),P=D.isHostObject(document,"selection");J.implementsWinGetSelection=O,J.implementsDocSelection=P;var Q=P&&(!O||a.config.preferTextRange);Q?(y=f,a.isSelectionValid=function(a){var b=d(a,"isSelectionValid").document,c=b.selection;return"None"!=c.type||L(c.createRange().parentElement())==b}):O?(y=e,a.isSelectionValid=function(){return!0}):b.fail("Neither document.selection or window.getSelection() detected."),a.getNativeSelection=y;var R=y(),S=a.createNativeRange(document),T=M(document),U=D.areHostProperties(R,["anchorNode","focusNode","anchorOffset","focusOffset"]);J.selectionHasAnchorAndFocus=U;var V=E(R,"extend");J.selectionHasExtend=V;var W=typeof R.rangeCount==B;J.selectionHasRangeCount=W;var X=!1,Y=!0,Z=V?function(b,c){var d=F.getRangeDocument(c),e=a.createRange(d);e.collapseToPoint(c.endContainer,c.endOffset),b.addRange(k(e)),b.extend(c.startContainer,c.startOffset)}:null;D.areHostMethods(R,["addRange","getRangeAt","removeAllRanges"])&&typeof R.rangeCount==B&&J.implementsDomRange&&!function(){var b=window.getSelection();if(b){for(var c=b.rangeCount,d=c>1,e=[],f=g(b),h=0;c>h;++h)e[h]=b.getRangeAt(h);var i=M(document),j=i.appendChild(document.createElement("div"));j.contentEditable="false";var k=j.appendChild(document.createTextNode(" ")),l=document.createRange();if(l.setStart(k,1),l.collapse(!0),b.addRange(l),Y=1==b.rangeCount,b.removeAllRanges(),!d){var m=l.cloneRange();l.setStart(k,0),m.setEnd(k,3),m.setStart(k,2),b.addRange(l),X=2==b.rangeCount,m.detach()}for(i.removeChild(j),b.removeAllRanges(),h=0;c>h;++h)0==h&&f?Z?Z(b,e[h]):(a.warn("Rangy initialization: original selection was backwards but selection has been restored forwards because the browser does not support Selection.extend"),b.addRange(e[h])):b.addRange(e[h])}}(),J.selectionSupportsMultipleRanges=X,J.collapsedNonEditableSelectionsSupported=Y;var $,_=!1;T&&E(T,"createControlRange")&&($=T.createControlRange(),D.areHostProperties($,["item","add"])&&(_=!0)),J.implementsControlRange=_,z=U?function(a){return a.anchorNode===a.focusNode&&a.anchorOffset===a.focusOffset}:function(a){return a.rangeCount?a.getRangeAt(a.rangeCount-1).collapsed:!1};var aa;E(R,"getRangeAt")?aa=function(a,b){try{return a.getRangeAt(b)}catch(c){return null}}:U&&(aa=function(b){var c=L(b.anchorNode),d=a.createRange(c);return d.setStartAndEnd(b.anchorNode,b.anchorOffset,b.focusNode,b.focusOffset),d.collapsed!==this.isCollapsed&&d.setStartAndEnd(b.focusNode,b.focusOffset,b.anchorNode,b.anchorOffset),d}),r.prototype=a.selectionPrototype;var ba=[],ca=function(a){if(a&&a instanceof r)return a.refresh(),a;a=d(a,"getNativeSelection");var b=t(a),c=y(a),e=P?f(a):null;return b?(b.nativeSelection=c,b.docSelection=e,b.refresh()):(b=new r(c,e,a),ba.push({win:a,selection:b})),b};a.getSelection=ca,a.getIframeSelection=function(c){return b.deprecationNotice("getIframeSelection()","getSelection(iframeEl)"),a.getSelection(C.getIframeWindow(c))};var da=r.prototype;if(!Q&&U&&D.areHostMethods(R,["removeAllRanges","addRange"])){da.removeAllRanges=function(){this.nativeSelection.removeAllRanges(),j(this)};var ea=function(a,b){Z(a.nativeSelection,b),a.refresh()};da.addRange=W?function(b,d){if(_&&P&&this.docSelection.type==K)q(this,b);else if(c(d)&&V)ea(this,b);else{var e;if(X?e=this.rangeCount:(this.removeAllRanges(),e=0),this.nativeSelection.addRange(k(b).cloneRange()),this.rangeCount=this.nativeSelection.rangeCount,this.rangeCount==e+1){if(a.config.checkSelectionRanges){var f=aa(this.nativeSelection,this.rangeCount-1);f&&!N(f,b)&&(b=new G(f))}this._ranges[this.rangeCount-1]=b,h(this,b,ha(this.nativeSelection)),this.isCollapsed=z(this)}else this.refresh()}}:function(a,b){c(b)&&V?ea(this,a):(this.nativeSelection.addRange(k(a)),this.refresh())},da.setRanges=function(a){if(_&&a.length>1)u(this,a);else{this.removeAllRanges();for(var b=0,c=a.length;c>b;++b)this.addRange(a[b])}}}else{if(!(E(R,"empty")&&E(S,"select")&&_&&Q))return b.fail("No means of selecting a Range or TextRange was found"),!1;da.removeAllRanges=function(){try{if(this.docSelection.empty(),"None"!=this.docSelection.type){var a;if(this.anchorNode)a=L(this.anchorNode);else if(this.docSelection.type==K){var b=this.docSelection.createRange();b.length&&(a=L(b.item(0)))}if(a){var c=M(a).createTextRange();c.select(),this.docSelection.empty()}}}catch(d){}j(this)},da.addRange=function(b){this.docSelection.type==K?q(this,b):(a.WrappedTextRange.rangeToTextRange(b).select(),this._ranges[0]=b,this.rangeCount=1,this.isCollapsed=this._ranges[0].collapsed,h(this,b,!1))},da.setRanges=function(a){this.removeAllRanges();var b=a.length;b>1?u(this,a):b&&this.addRange(a[0])}}da.getRangeAt=function(a){if(0>a||a>=this.rangeCount)throw new H("INDEX_SIZE_ERR");return this._ranges[a].cloneRange()};var fa;if(Q)fa=function(b){var c;a.isSelectionValid(b.win)?c=b.docSelection.createRange():(c=M(b.win.document).createTextRange(),c.collapse(!0)),b.docSelection.type==K?p(b):n(c)?o(b,c):j(b)};else if(E(R,"getRangeAt")&&typeof R.rangeCount==B)fa=function(b){if(_&&P&&b.docSelection.type==K)p(b);else if(b._ranges.length=b.rangeCount=b.nativeSelection.rangeCount,b.rangeCount){for(var c=0,d=b.rangeCount;d>c;++c)b._ranges[c]=new a.WrappedRange(b.nativeSelection.getRangeAt(c));h(b,b._ranges[b.rangeCount-1],ha(b.nativeSelection)),b.isCollapsed=z(b)}else j(b)};else{if(!U||typeof R.isCollapsed!=A||typeof S.collapsed!=A||!J.implementsDomRange)return b.fail("No means of obtaining a Range or TextRange from the user's selection was found"),!1;fa=function(a){var b,c=a.nativeSelection;c.anchorNode?(b=aa(c,0),a._ranges=[b],a.rangeCount=1,i(a),a.isCollapsed=z(a)):j(a)}}da.refresh=function(a){var b=a?this._ranges.slice(0):null,c=this.anchorNode,d=this.anchorOffset;if(fa(this),a){var e=b.length;if(e!=this._ranges.length)return!0;if(this.anchorNode!=c||this.anchorOffset!=d)return!0;for(;e--;)if(!N(b[e],this._ranges[e]))return!0;return!1}};var ga=function(a,b){var c=a.getAllRanges();a.removeAllRanges();for(var d=0,e=c.length;e>d;++d)N(b,c[d])||a.addRange(c[d]);a.rangeCount||j(a)};da.removeRange=_?function(a){if(this.docSelection.type==K){for(var b,c=this.docSelection.createRange(),d=m(a),e=L(c.item(0)),f=M(e).createControlRange(),g=!1,h=0,i=c.length;i>h;++h)b=c.item(h),b!==d||g?f.add(c.item(h)):g=!0;f.select(),p(this)}else ga(this,a)}:function(a){ga(this,a)};var ha;!Q&&U&&J.implementsDomRange?(ha=g,da.isBackward=function(){return ha(this)}):ha=da.isBackward=function(){return!1},da.isBackwards=da.isBackward,da.toString=function(){for(var a=[],b=0,c=this.rangeCount;c>b;++b)a[b]=""+this._ranges[b];return a.join("")},da.collapse=function(b,c){v(this,b);var d=a.createRange(b);d.collapseToPoint(b,c),this.setSingleRange(d),this.isCollapsed=!0},da.collapseToStart=function(){if(!this.rangeCount)throw new H("INVALID_STATE_ERR");var a=this._ranges[0];this.collapse(a.startContainer,a.startOffset)},da.collapseToEnd=function(){if(!this.rangeCount)throw new H("INVALID_STATE_ERR");var a=this._ranges[this.rangeCount-1];this.collapse(a.endContainer,a.endOffset)},da.selectAllChildren=function(b){v(this,b);var c=a.createRange(b);c.selectNodeContents(b),this.setSingleRange(c)},da.deleteFromDocument=function(){if(_&&P&&this.docSelection.type==K){for(var a,b=this.docSelection.createRange();b.length;)a=b.item(0),b.remove(a),a.parentNode.removeChild(a);this.refresh()}else if(this.rangeCount){var c=this.getAllRanges();if(c.length){this.removeAllRanges();for(var d=0,e=c.length;e>d;++d)c[d].deleteContents();this.addRange(c[e-1])}}},da.eachRange=function(a,b){for(var c=0,d=this._ranges.length;d>c;++c)if(a(this.getRangeAt(c)))return b},da.getAllRanges=function(){var a=[];return this.eachRange(function(b){a.push(b)}),a},da.setSingleRange=function(a,b){this.removeAllRanges(),this.addRange(a,b)},da.callMethodOnEachRange=function(a,b){var c=[];return this.eachRange(function(d){c.push(d[a].apply(d,b))}),c},da.setStart=w(!0),da.setEnd=w(!1),a.rangePrototype.select=function(a){ca(this.getDocument()).setSingleRange(this,a)},da.changeEachRange=function(a){var b=[],c=this.isBackward();this.eachRange(function(c){a(c),b.push(c)}),this.removeAllRanges(),c&&1==b.length?this.addRange(b[0],"backward"):this.setRanges(b)},da.containsNode=function(a,b){return this.eachRange(function(c){return c.containsNode(a,b)},!0)},da.getBookmark=function(a){return{backward:this.isBackward(),rangeBookmarks:this.callMethodOnEachRange("getBookmark",[a])}},da.moveToBookmark=function(b){for(var c,d,e=[],f=0;c=b.rangeBookmarks[f++];)d=a.createRange(this.win),d.moveToBookmark(c),e.push(d);b.backward?this.setSingleRange(e[0],"backward"):this.setRanges(e)},da.toHtml=function(){return this.callMethodOnEachRange("toHtml").join("")},da.getName=function(){return"WrappedSelection"},da.inspect=function(){return x(this)},da.detach=function(){t(this.win,"delete"),s(this)},r.detachAll=function(){t(null,"deleteAll")},r.inspect=x,r.isDirectionBackward=c,a.Selection=r,a.selectionPrototype=da,a.addCreateMissingNativeApiListener(function(a){"undefined"==typeof a.getSelection&&(a.getSelection=function(){return ca(a)}),a=null})});