10 lines
43 KiB
JavaScript
10 lines
43 KiB
JavaScript
/**
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* Rangy, a cross-browser JavaScript range and selection library
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* http://code.google.com/p/rangy/
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*
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* Copyright 2012, Tim Down
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* Licensed under the MIT license.
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* Version: 1.3alpha.681
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* Build date: 20 July 2012
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*/
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window.rangy=function(){function h(c,d){var e=typeof c[d];return e==b||e==a&&!!c[d]||e=="unknown"}function i(b,c){return typeof b[c]==a&&!!b[c]}function j(a,b){return typeof a[b]!=c}function k(a){return function(b,c){var d=c.length;while(d--)if(!a(b,c[d]))return!1;return!0}}function o(a){return a&&l(a,g)&&n(a,f)}function q(a,b){b?window.alert(a):typeof window.console!=c&&typeof window.console.log!=c&&window.console.log(a)}function r(a){p.initialized=!0,p.supported=!1,q("Rangy is not supported on this page in your browser. Reason: "+a,p.config.alertOnFail)}function s(a){q("Rangy warning: "+a,p.config.alertOnWarn)}function v(){if(p.initialized)return;var a,b=!1,c=!1;h(document,"createRange")&&(a=document.createRange(),l(a,e)&&n(a,d)&&(b=!0),a.detach());var f=i(document,"body")?document.body:document.getElementsByTagName("body")[0];if(!f||f.nodeName.toLowerCase()!="body"){r("No body element found");return}f&&h(f,"createTextRange")&&(a=f.createTextRange(),o(a)&&(c=!0));if(!b&&!c){r("Neither Range nor TextRange are available");return}p.initialized=!0,p.features={implementsDomRange:b,implementsTextRange:c};var g=u.concat(t);for(var j=0,k=g.length;j<k;++j)try{g[j](p)}catch(m){i(window,"console")&&h(window.console,"log")&&window.console.log("Rangy init listener threw an exception. Continuing.",m)}}function x(a){a=a||window,v();for(var b=0,c=w.length;b<c;++b)w[b](a)}function y(a){this.name=a,this.initialized=!1,this.supported=!1}var a="object",b="function",c="undefined",d=["startContainer","startOffset","endContainer","endOffset","collapsed","commonAncestorContainer"],e=["setStart","setStartBefore","setStartAfter","setEnd","setEndBefore","setEndAfter","collapse","selectNode","selectNodeContents","compareBoundaryPoints","deleteContents","extractContents","cloneContents","insertNode","surroundContents","cloneRange","toString","detach"],f=["boundingHeight","boundingLeft","boundingTop","boundingWidth","htmlText","text"],g=["collapse","compareEndPoints","duplicate","moveToElementText","parentElement","select","setEndPoint","getBoundingClientRect"],l=k(h),m=k(i),n=k(j),p={version:"1.3alpha.681",initialized:!1,supported:!0,util:{isHostMethod:h,isHostObject:i,isHostProperty:j,areHostMethods:l,areHostObjects:m,areHostProperties:n,isTextRange:o},features:{},modules:{},config:{alertOnFail:!0,alertOnWarn:!1,preferTextRange:!1}};p.fail=r,p.warn=s,{}.hasOwnProperty?p.util.extend=function(a,b,c){var d,e;for(var f in b)b.hasOwnProperty(f)&&(d=a[f],e=b[f],c&&d!==null&&typeof d=="object"&&e!==null&&typeof e=="object"&&p.util.extend(d,e,!0),a[f]=e);return a}:r("hasOwnProperty not supported");var t=[],u=[];p.init=v,p.addInitListener=function(a){p.initialized?a(p):t.push(a)};var w=[];p.addCreateMissingNativeApiListener=function(a){w.push(a)},p.createMissingNativeApi=x,y.prototype={fail:function(a){throw this.initialized=!0,this.supported=!1,new Error("Module '"+this.name+"' failed to load: "+a)},warn:function(a){p.warn("Module "+this.name+": "+a)},deprecationNotice:function(a,b){p.warn("DEPRECATED: "+a+" in module "+this.name+"is deprecated. Please use "+b+" instead")},createError:function(a){return new Error("Error in Rangy "+this.name+" module: "+a)}},p.createModule=function(a,b){var c=new y(a);p.modules[a]=c,u.push(function(a){b(a,c),c.initialized=!0,c.supported=!0})},p.requireModules=function(a){for(var b=0,c=a.length,d,e;b<c;++b){e=a[b],d=p.modules[e];if(!d||!(d instanceof y))throw new Error("Module '"+e+"' not found");if(!d.supported)throw new Error("Module '"+e+"' not supported")}};var z=!1,A=function(a){z||(z=!0,p.initialized||v())};if(typeof window==c){r("No window found");return}if(typeof document==c){r("No document found");return}return h(document,"addEventListener")&&document.addEventListener("DOMContentLoaded",A,!1),h(window,"addEventListener")?window.addEventListener("load",A,!1):h(window,"attachEvent")?window.attachEvent("onload",A):r("Window does not have required addEventListener or attachEvent method"),p}(),rangy.createModule("DomUtil",function(a,b){function h(a){var b;return typeof a.namespaceURI==c||(b=a.namespaceURI)===null||b=="http://www.w3.org/1999/xhtml"}function i(a){var b=a.parentNode;return b.nodeType==1?b:null}function j(a){var b=0;while(a=a.previousSibling)b++;return b}function k(a){switch(a.nodeType){case 7:case 10:return 0;case 3:case 8:return a.length;default:return a.childNodes.length}}function l(a,b){var c=[],d;for(d=a;d;d=d.parentNode)c.push(d);for(d=b;d;d=d.parentNode)if(g(c,d))return d;return null}function m(a,b,c){var d=c?b:b.parentNode;while(d){if(d===a)return!0;d=d.parentNode}return!1}function n(a,b){return m(a,b,!0)}function o(a,b,c){var d,e=c?a:a.parentNode;while(e){d=e.parentNode;if(d===b)return e;e=d}return null}function p(a){var b=a.nodeType;return b==3||b==4||b==8}function q(a){if(!a)return!1;var b=a.nodeType;return b==3||b==8}function r(a,b){var c=b.nextSibling,d=b.parentNode;return c?d.insertBefore(a,c):d.appendChild(a),a}function s(a,b,c){var d=a.cloneNode(!1);d.deleteData(0,b),a.deleteData(b,a.length-b),r(d,a);if(c)for(var e=0,f;f=c[e++];)f.node==a&&f.offset>b?(f.node=d,f.offset-=b):f.node==a.parentNode&&f.offset>j(a)&&++f.offset;return d}function t(a){if(a.nodeType==9)return a;if(typeof a.ownerDocument!=c)return a.ownerDocument;if(typeof a.document!=c)return a.document;if(a.parentNode)return t(a.parentNode);throw b.createError("getDocument: no document found for node")}function u(a){var d=t(a);if(typeof d.defaultView!=c)return d.defaultView;if(typeof d.parentWindow!=c)return d.parentWindow;throw b.createError("Cannot get a window object for node")}function v(a){if(typeof a.contentDocument!=c)return a.contentDocument;if(typeof a.contentWindow!=c)return a.contentWindow.document;throw b.createError("getIframeDocument: No Document object found for iframe element")}function w(a){if(typeof a.contentWindow!=c)return a.contentWindow;if(typeof a.contentDocument!=c)return a.contentDocument.defaultView;throw b.createError("getIframeWindow: No Window object found for iframe element")}function x(a){return d.isHostObject(a,"body")?a.body:a.getElementsByTagName("body")[0]}function y(a){return a&&d.isHostMethod(a,"setTimeout")&&d.isHostObject(a,"document")}function z(a){var b;return a?d.isHostProperty(a,"nodeType")?b=a.nodeType==1&&a.tagName.toLowerCase()=="iframe"?v(a):t(a):y(a)&&(b=a.document):b=document,b}function A(a){var b;while(b=a.parentNode)a=b;return a}function B(a,c,d,e){var f,g,h,i,k;if(a==d)return c===e?0:c<e?-1:1;if(f=o(d,a,!0))return c<=j(f)?-1:1;if(f=o(a,d,!0))return j(f)<e?-1:1;g=l(a,d),h=a===g?g:o(a,g,!0),i=d===g?g:o(d,g,!0);if(h===i)throw b.createError("comparePoints got to case 4 and childA and childB are the same!");k=g.firstChild;while(k){if(k===h)return-1;if(k===i)return 1;k=k.nextSibling}}function C(a){if(!a)return"[No node]";if(p(a))return'"'+a.data+'"';if(a.nodeType==1){var b=a.id?' id="'+a.id+'"':"";return"<"+a.nodeName+b+">["+a.childNodes.length+"]"}return a.nodeName}function D(a){var b=t(a).createDocumentFragment(),c;while(c=a.firstChild)b.appendChild(c);return b}function E(a){this.root=a,this._next=a}function F(a){return new E(a)}function G(a,b){this.node=a,this.offset=b}function H(a){this.code=this[a],this.codeName=a,this.message="DOMException: "+this.codeName}var c="undefined",d=a.util;d.areHostMethods(document,["createDocumentFragment","createElement","createTextNode"])||b.fail("document missing a Node creation method"),d.isHostMethod(document,"getElementsByTagName")||b.fail("document missing getElementsByTagName method");var e=document.createElement("div");d.areHostMethods(e,["insertBefore","appendChild","cloneNode"]||!d.areHostObjects(e,["previousSibling","nextSibling","childNodes","parentNode"]))||b.fail("Incomplete Element implementation"),d.isHostProperty(e,"innerHTML")||b.fail("Element is missing innerHTML property");var f=document.createTextNode("test");d.areHostMethods(f,["splitText","deleteData","insertData","appendData","cloneNode"]||!d.areHostObjects(e,["previousSibling","nextSibling","childNodes","parentNode"])||!d.areHostProperties(f,["data"]))||b.fail("Incomplete Text Node implementation");var g=function(a,b){var c=a.length;while(c--)if(a[c]===b)return!0;return!1};E.prototype={_current:null,hasNext:function(){return!!this._next},next:function(){var a=this._current=this._next,b,c;if(this._current){b=a.firstChild;if(b)this._next=b;else{c=null;while(a!==this.root&&!(c=a.nextSibling))a=a.parentNode;this._next=c}}return this._current},detach:function(){this._current=this._next=this.root=null}},G.prototype={equals:function(a){return!!a&&this.node===a.node&&this.offset==a.offset},inspect:function(){return"[DomPosition("+C(this.node)+":"+this.offset+")]"},toString:function(){return this.inspect()}},H.prototype={INDEX_SIZE_ERR:1,HIERARCHY_REQUEST_ERR:3,WRONG_DOCUMENT_ERR:4,NO_MODIFICATION_ALLOWED_ERR:7,NOT_FOUND_ERR:8,NOT_SUPPORTED_ERR:9,INVALID_STATE_ERR:11},H.prototype.toString=function(){return this.message},a.dom={arrayContains:g,isHtmlNamespace:h,parentElement:i,getNodeIndex:j,getNodeLength:k,getCommonAncestor:l,isAncestorOf:m,isOrIsAncestorOf:n,getClosestAncestorIn:o,isCharacterDataNode:p,isTextOrCommentNode:q,insertAfter:r,splitDataNode:s,getDocument:t,getWindow:u,getIframeWindow:w,getIframeDocument:v,getBody:x,isWindow:y,getContentDocument:z,getRootContainer:A,comparePoints:B,inspectNode:C,fragmentFromNodeChildren:D,createIterator:F,DomPosition:G},a.DOMException=H}),rangy.createModule("DomRange",function(a,b){function g(a,b){return a.nodeType!=3&&(c.isOrIsAncestorOf(a,b.startContainer)||c.isOrIsAncestorOf(a,b.endContainer))}function h(a){return c.getDocument(a.startContainer)}function i(a){return new e(a.parentNode,c.getNodeIndex(a))}function j(a){return new e(a.parentNode,c.getNodeIndex(a)+1)}function k(a,b,d){var e=a.nodeType==11?a.firstChild:a;return c.isCharacterDataNode(b)?d==b.length?c.insertAfter(a,b):b.parentNode.insertBefore(a,d==0?b:c.splitDataNode(b,d)):d>=b.childNodes.length?b.appendChild(a):b.insertBefore(a,b.childNodes[d]),e}function l(a,b,d){O(a),O(b);if(h(b)!=h(a))throw new f("WRONG_DOCUMENT_ERR");var e=c.comparePoints(a.startContainer,a.startOffset,b.endContainer,b.endOffset),g=c.comparePoints(a.endContainer,a.endOffset,b.startContainer,b.startOffset);return d?e<=0&&g>=0:e<0&&g>0}function m(a){var b;for(var c,d=h(a.range).createDocumentFragment(),e;c=a.next();){b=a.isPartiallySelectedSubtree(),c=c.cloneNode(!b),b&&(e=a.getSubtreeIterator(),c.appendChild(m(e)),e.detach(!0));if(c.nodeType==10)throw new f("HIERARCHY_REQUEST_ERR");d.appendChild(c)}return d}function n(a,b,d){var e,f;d=d||{stop:!1};for(var g,h;g=a.next();)if(a.isPartiallySelectedSubtree()){if(b(g)===!1){d.stop=!0;return}h=a.getSubtreeIterator(),n(h,b,d),h.detach(!0);if(d.stop)return}else{e=c.createIterator(g);while(f=e.next())if(b(f)===!1){d.stop=!0;return}}}function o(a){var b;while(a.next())a.isPartiallySelectedSubtree()?(b=a.getSubtreeIterator(),o(b),b.detach(!0)):a.remove()}function p(a){for(var b,c=h(a.range).createDocumentFragment(),d;b=a.next();){a.isPartiallySelectedSubtree()?(b=b.cloneNode(!1),d=a.getSubtreeIterator(),b.appendChild(p(d)),d.detach(!0)):a.remove();if(b.nodeType==10)throw new f("HIERARCHY_REQUEST_ERR");c.appendChild(b)}return c}function q(a,b,c){var d=!!b&&!!b.length,e,f=!!c;d&&(e=new RegExp("^("+b.join("|")+")$"));var g=[];return n(new s(a,!1),function(a){(!d||e.test(a.nodeType))&&(!f||c(a))&&g.push(a)}),g}function r(a){var b=typeof a.getName=="undefined"?"Range":a.getName();return"["+b+"("+c.inspectNode(a.startContainer)+":"+a.startOffset+", "+c.inspectNode(a.endContainer)+":"+a.endOffset+")]"}function s(a,b){this.range=a,this.clonePartiallySelectedTextNodes=b;if(!a.collapsed){this.sc=a.startContainer,this.so=a.startOffset,this.ec=a.endContainer,this.eo=a.endOffset;var d=a.commonAncestorContainer;this.sc===this.ec&&c.isCharacterDataNode(this.sc)?(this.isSingleCharacterDataNode=!0,this._first=this._last=this._next=this.sc):(this._first=this._next=this.sc===d&&!c.isCharacterDataNode(this.sc)?this.sc.childNodes[this.so]:c.getClosestAncestorIn(this.sc,d,!0),this._last=this.ec===d&&!c.isCharacterDataNode(this.ec)?this.ec.childNodes[this.eo-1]:c.getClosestAncestorIn(this.ec,d,!0))}}function t(a){this.code=this[a],this.codeName=a,this.message="RangeException: "+this.codeName}function z(a){return function(b,d){var e,f=d?b:b.parentNode;while(f){e=f.nodeType;if(c.arrayContains(a,e))return f;f=f.parentNode}return null}}function E(a,b){if(D(a,b))throw new t("INVALID_NODE_TYPE_ERR")}function F(a){if(!a.startContainer)throw new f("INVALID_STATE_ERR")}function G(a,b){if(!c.arrayContains(b,a.nodeType))throw new t("INVALID_NODE_TYPE_ERR")}function H(a,b){if(b<0||b>(c.isCharacterDataNode(a)?a.length:a.childNodes.length))throw new f("INDEX_SIZE_ERR")}function I(a,b){if(B(a,!0)!==B(b,!0))throw new f("WRONG_DOCUMENT_ERR")}function J(a){if(C(a,!0))throw new f("NO_MODIFICATION_ALLOWED_ERR")}function K(a,b){if(!a)throw new f(b)}function L(a){return!c.arrayContains(v,a.nodeType)&&!B(a,!0)}function M(a,b){return b<=(c.isCharacterDataNode(a)?a.length:a.childNodes.length)}function N(a){return!!a.startContainer&&!!a.endContainer&&!L(a.startContainer)&&!L(a.endContainer)&&M(a.startContainer,a.startOffset)&&M(a.endContainer,a.endOffset)}function O(a){F(a);if(!N(a))throw new Error("Range error: Range is no longer valid after DOM mutation ("+a.inspect()+")")}function T(a,b){O(a);var d=a.startContainer,e=a.startOffset,f=a.endContainer,g=a.endOffset,h=d===f;c.isCharacterDataNode(f)&&g>0&&g<f.length&&c.splitDataNode(f,g,b),c.isCharacterDataNode(d)&&e>0&&e<d.length&&(d=c.splitDataNode(d,e,b),h?(g-=e,f=d):f==d.parentNode&&g>=c.getNodeIndex(d)&&g++,e=0),a.setStartAndEnd(d,e,f,g)}function bb(){}function cb(a){a.START_TO_START=V,a.START_TO_END=W,a.END_TO_END=X,a.END_TO_START=Y,a.NODE_BEFORE=Z,a.NODE_AFTER=$,a.NODE_BEFORE_AND_AFTER=_,a.NODE_INSIDE=ab}function db(a){cb(a),cb(a.prototype)}function eb(a,b){return function(){O(this);var d=this.startContainer,e=this.startOffset,f=this.commonAncestorContainer,g=new s(this,!0),h,i;d!==f&&(h=c.getClosestAncestorIn(d,f,!0),i=j(h),d=i.node,e=i.offset),n(g,J),g.reset();var k=a(g);return g.detach(),b(this,d,e,d,e),k}}function fb(a,b,e){function f(a,b){return function(c){F(this),G(c,u),G(A(c),v);var d=(a?i:j)(c);(b?h:k)(this,d.node,d.offset)}}function h(a,d,e){var f=a.endContainer,g=a.endOffset;if(d!==a.startContainer||e!==a.startOffset){if(A(d)!=A(f)||c.comparePoints(d,e,f,g)==1)f=d,g=e;b(a,d,e,f,g)}}function k(a,d,e){var f=a.startContainer,g=a.startOffset;if(d!==a.endContainer||e!==a.endOffset){if(A(d)!=A(f)||c.comparePoints(d,e,f,g)==-1)f=d,g=e;b(a,f,g,d,e)}}a.prototype=new bb,d.extend(a.prototype,{setStart:function(a,b){F(this),E(a,!0),H(a,b),h(this,a,b)},setEnd:function(a,b){F(this),E(a,!0),H(a,b),k(this,a,b)},setStartAndEnd:function(){F(this);var a=arguments,c=a[0],d=a[1],e=c,f=d;switch(a.length){case 3:f=a[2];break;case 4:e=a[2],f=a[3]}b(this,c,d,e,f)},setStartBefore:f(!0,!0),setStartAfter:f(!1,!0),setEndBefore:f(!0,!1),setEndAfter:f(!1,!1),collapse:function(a){O(this),a?b(this,this.startContainer,this.startOffset,this.startContainer,this.startOffset):b(this,this.endContainer,this.endOffset,this.endContainer,this.endOffset)},selectNodeContents:function(a){F(this),E(a,!0),b(this,a,0,a,c.getNodeLength(a))},selectNode:function(a){F(this),E(a,!1),G(a,u);var c=i(a),d=j(a);b(this,c.node,c.offset,d.node,d.offset)},extractContents:eb(p,b),deleteContents:eb(o,b),canSurroundContents:function(){O(this),J(this.startContainer),J(this.endContainer);var a=new s(this,!0),b=a._first&&g(a._first,this)||a._last&&g(a._last,this);return a.detach(),!b},detach:function(){e(this)},splitBoundaries:function(){T(this)},splitBoundariesPreservingPositions:function(a){T(this,a)},normalizeBoundaries:function(){O(this);var a=this.startContainer,d=this.startOffset,e=this.endContainer,f=this.endOffset,g=function(a){var b=a.nextSibling;b&&b.nodeType==a.nodeType&&(e=a,f=a.length,a.appendData(b.data),b.parentNode.removeChild(b))},h=function(b){var g=b.previousSibling;if(g&&g.nodeType==b.nodeType){a=b;var h=b.length;d=g.length,b.insertData(0,g.data),g.parentNode.removeChild(g);if(a==e)f+=d,e=a;else if(e==b.parentNode){var i=c.getNodeIndex(b);f==i?(e=b,f=h):f>i&&f--}}},i=!0;if(c.isCharacterDataNode(e))e.length==f&&g(e);else{if(f>0){var j=e.childNodes[f-1];j&&c.isCharacterDataNode(j)&&g(j)}i=!this.collapsed}if(i){if(c.isCharacterDataNode(a))d==0&&h(a);else if(d<a.childNodes.length){var k=a.childNodes[d];k&&c.isCharacterDataNode(k)&&h(k)}}else a=e,d=f;b(this,a,d,e,f)},collapseToPoint:function(a,b){F(this),E(a,!0),H(a,b),this.setStartAndEnd(a,b)}}),db(a)}function gb(a){a.collapsed=a.startContainer===a.endContainer&&a.startOffset===a.endOffset,a.commonAncestorContainer=a.collapsed?a.startContainer:c.getCommonAncestor(a.startContainer,a.endContainer)}function hb(a,b,c,d,e){a.startContainer=b,a.startOffset=c,a.endContainer=d,a.endOffset=e,gb(a)}function ib(a){F(a),a.startContainer=a.startOffset=a.endContainer=a.endOffset=null,a.collapsed=a.commonAncestorContainer=null}function jb(a){this.startContainer=a,this.startOffset=0,this.endContainer=a,this.endOffset=0,gb(this)}a.requireModules(["DomUtil"]);var c=a.dom,d=a.util,e=c.DomPosition,f=a.DOMException;s.prototype={_current:null,_next:null,_first:null,_last:null,isSingleCharacterDataNode:!1,reset:function(){this._current=null,this._next=this._first},hasNext:function(){return!!this._next},next:function(){var a=this._current=this._next;return a&&(this._next=a!==this._last?a.nextSibling:null,c.isCharacterDataNode(a)&&this.clonePartiallySelectedTextNodes&&(a===this.ec&&(a=a.cloneNode(!0)).deleteData(this.eo,a.length-this.eo),this._current===this.sc&&(a=a.cloneNode(!0)).deleteData(0,this.so))),a},remove:function(){var a=this._current,b,d;!c.isCharacterDataNode(a)||a!==this.sc&&a!==this.ec?a.parentNode&&a.parentNode.removeChild(a):(b=a===this.sc?this.so:0,d=a===this.ec?this.eo:a.length,b!=d&&a.deleteData(b,d-b))},isPartiallySelectedSubtree:function(){var a=this._current;return g(a,this.range)},getSubtreeIterator:function(){var a;if(this.isSingleCharacterDataNode)a=this.range.cloneRange(),a.collapse(!1);else{a=new jb(h(this.range));var b=this._current,d=b,e=0,f=b,g=c.getNodeLength(b);c.isOrIsAncestorOf(b,this.sc)&&(d=this.sc,e=this.so),c.isOrIsAncestorOf(b,this.ec)&&(f=this.ec,g=this.eo),hb(a,d,e,f,g)}return new s(a,this.clonePartiallySelectedTextNodes)},detach:function(a){a&&this.range.detach(),this.range=this._current=this._next=this._first=this._last=this.sc=this.so=this.ec=this.eo=null}},t.prototype={BAD_BOUNDARYPOINTS_ERR:1,INVALID_NODE_TYPE_ERR:2},t.prototype.toString=function(){return this.message};var u=[1,3,4,5,7,8,10],v=[2,9,11],w=[5,6,10,12],x=[1,3,4,5,7,8,10,11],y=[1,3,4,5,7,8],A=c.getRootContainer,B=z([9,11]),C=z(w),D=z([6,10,12]),P=document.createElement("style"),Q=!1;try{P.innerHTML="<b>x</b>",Q=P.firstChild.nodeType==3}catch(R){}a.features.htmlParsingConforms=Q;var S=Q?function(a){var b=this.startContainer,d=c.getDocument(b);if(!b)throw new f("INVALID_STATE_ERR");var e=null;return b.nodeType==1?e=b:c.isCharacterDataNode(b)&&(e=c.parentElement(b)),e===null||e.nodeName=="HTML"&&c.isHtmlNamespace(c.getDocument(e).documentElement)&&c.isHtmlNamespace(e)?e=d.createElement("body"):e=e.cloneNode(!1),e.innerHTML=a,c.fragmentFromNodeChildren(e)}:function(a){F(this);var b=h(this),d=b.createElement("body");return d.innerHTML=a,c.fragmentFromNodeChildren(d)},U=["startContainer","startOffset","endContainer","endOffset","collapsed","commonAncestorContainer"],V=0,W=1,X=2,Y=3,Z=0,$=1,_=2,ab=3;bb.prototype={compareBoundaryPoints:function(a,b){O(this),I(this.startContainer,b.startContainer);var d,e,f,g,h=a==Y||a==V?"start":"end",i=a==W||a==V?"start":"end";return d=this[h+"Container"],e=this[h+"Offset"],f=b[i+"Container"],g=b[i+"Offset"],c.comparePoints(d,e,f,g)},insertNode:function(a){O(this),G(a,x),J(this.startContainer);if(c.isOrIsAncestorOf(a,this.startContainer))throw new f("HIERARCHY_REQUEST_ERR");var b=k(a,this.startContainer,this.startOffset);this.setStartBefore(b)},cloneContents:function(){O(this);var a,b;if(this.collapsed)return h(this).createDocumentFragment();if(this.startContainer===this.endContainer&&c.isCharacterDataNode(this.startContainer))return a=this.startContainer.cloneNode(!0),a.data=a.data.slice(this.startOffset,this.endOffset),b=h(this).createDocumentFragment(),b.appendChild(a),b;var d=new s(this,!0);return a=m(d),d.detach(),a},canSurroundContents:function(){O(this),J(this.startContainer),J(this.endContainer);var a=new s(this,!0),b=a._first&&g(a._first,this)||a._last&&g(a._last,this);return a.detach(),!b},surroundContents:function(a){G(a,y);if(!this.canSurroundContents())throw new t("BAD_BOUNDARYPOINTS_ERR");var b=this.extractContents();if(a.hasChildNodes())while(a.lastChild)a.removeChild(a.lastChild);k(a,this.startContainer,this.startOffset),a.appendChild(b),this.selectNode(a)},cloneRange:function(){O(this);var a=new jb(h(this)),b=U.length,c;while(b--)c=U[b],a[c]=this[c];return a},toString:function(){O(this);var a=this.startContainer;if(a===this.endContainer&&c.isCharacterDataNode(a))return a.nodeType==3||a.nodeType==4?a.data.slice(this.startOffset,this.endOffset):"";var b=[],d=new s(this,!0);return n(d,function(a){(a.nodeType==3||a.nodeType==4)&&b.push(a.data)}),d.detach(),b.join("")},compareNode:function(a){O(this);var b=a.parentNode,d=c.getNodeIndex(a);if(!b)throw new f("NOT_FOUND_ERR");var e=this.comparePoint(b,d),g=this.comparePoint(b,d+1);return e<0?g>0?_:Z:g>0?$:ab},comparePoint:function(a,b){return O(this),K(a,"HIERARCHY_REQUEST_ERR"),I(a,this.startContainer),c.comparePoints(a,b,this.startContainer,this.startOffset)<0?-1:c.comparePoints(a,b,this.endContainer,this.endOffset)>0?1:0},createContextualFragment:S,toHtml:function(){O(this);var a=this.commonAncestorContainer.parentNode.cloneNode(!1);return a.appendChild(this.cloneContents()),a.innerHTML},intersectsNode:function(a,b){O(this),K(a,"NOT_FOUND_ERR");if(c.getDocument(a)!==h(this))return!1;var d=a.parentNode,e=c.getNodeIndex(a);K(d,"NOT_FOUND_ERR");var f=c.comparePoints(d,e,this.endContainer,this.endOffset),g=c.comparePoints(d,e+1,this.startContainer,this.startOffset);return b?f<=0&&g>=0:f<0&&g>0},isPointInRange:function(a,b){return O(this),K(a,"HIERARCHY_REQUEST_ERR"),I(a,this.startContainer),c.comparePoints(a,b,this.startContainer,this.startOffset)>=0&&c.comparePoints(a,b,this.endContainer,this.endOffset)<=0},intersectsRange:function(a){return l(this,a,!1)},intersectsOrTouchesRange:function(a){return l(this,a,!0)},intersection:function(a){if(this.intersectsRange(a)){var b=c.comparePoints(this.startContainer,this.startOffset,a.startContainer,a.startOffset),d=c.comparePoints(this.endContainer,this.endOffset,a.endContainer,a.endOffset),e=this.cloneRange();return b==-1&&e.setStart(a.startContainer,a.startOffset),d==1&&e.setEnd(a.endContainer,a.endOffset),e}return null},union:function(a){if(this.intersectsOrTouchesRange(a)){var b=this.cloneRange();return c.comparePoints(a.startContainer,a.startOffset,this.startContainer,this.startOffset)==-1&&b.setStart(a.startContainer,a.startOffset),c.comparePoints(a.endContainer,a.endOffset,this.endContainer,this.endOffset)==1&&b.setEnd(a.endContainer,a.endOffset),b}throw new t("Ranges do not intersect")},containsNode:function(a,b){return b?this.intersectsNode(a,!1):this.compareNode(a)==ab},containsNodeContents:function(a){return this.comparePoint(a,0)>=0&&this.comparePoint(a,c.getNodeLength(a))<=0},containsRange:function(a){var b=this.intersection(a);return b!==null&&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();b.setEnd(d,d.length);var e=this.containsRange(b);return b.detach(),e}return this.containsNodeContents(a)},getNodes:function(a,b){return O(this),q(this,a,b)},getDocument:function(){return h(this)},collapseBefore:function(a){F(this),this.setEndBefore(a),this.collapse(!1)},collapseAfter:function(a){F(this),this.setStartAfter(a),this.collapse(!0)},getName:function(){return"DomRange"},equals:function(a){return jb.rangesEqual(this,a)},isValid:function(){return N(this)},inspect:function(){return r(this)}},fb(jb,hb,ib),a.rangePrototype=bb.prototype,d.extend(jb,{rangeProperties:U,RangeIterator:s,copyComparisonConstants:db,createPrototypeRange:fb,inspect:r,getRangeDocument:h,rangesEqual:function(a,b){return a.startContainer===b.startContainer&&a.startOffset===b.startOffset&&a.endContainer===b.endContainer&&a.endOffset===b.endOffset}}),a.DomRange=jb,a.RangeException=t}),rangy.createModule("WrappedRange",function(a,b){function h(a,c){a=d.getContentDocument(a);if(!a)throw b.createError(c+"(): Parameter must be a Document or other DOM node, or a Window object");return a}function i(a){var b=a.parentElement(),c=a.duplicate();c.collapse(!0);var e=c.parentElement();c=a.duplicate(),c.collapse(!1);var f=c.parentElement(),g=e==f?e:d.getCommonAncestor(e,f);return g==b?g:d.getCommonAncestor(b,g)}function j(a){return a.compareEndPoints("StartToEnd",a)==0}function k(a,b,c,e,g){var h=a.duplicate();h.collapse(c);var i=h.parentElement();d.isOrIsAncestorOf(b,i)||(i=b);if(!i.canHaveHTML)return new f(i.parentNode,d.getNodeIndex(i));var j=d.getDocument(i).createElement("span");j.parentNode&&j.parentNode.removeChild(j);var k,l=c?"StartToStart":"StartToEnd",m,n,o,p,q=g&&g.containerElement==i?g.nodeIndex:0,r=i.childNodes.length,s=r,t=s;for(;;){t==r?i.appendChild(j):i.insertBefore(j,i.childNodes[t]),h.moveToElementText(j),k=h.compareEndPoints(l,a);if(k==0||q==s)break;if(k==-1){if(s==q+1)break;q=t}else s=s==q+1?q:t;t=Math.floor((q+s)/2),i.removeChild(j)}p=j.nextSibling;if(k==-1&&p&&d.isCharacterDataNode(p)){h.setEndPoint(c?"EndToStart":"EndToEnd",a);var u;if(/[\r\n]/.test(p.data)){var v=h.duplicate(),w=v.text.replace(/\r\n/g,"\r").length;u=v.moveStart("character",w);while((k=v.compareEndPoints("StartToEnd",v))==-1)u++,v.moveStart("character",1)}else u=h.text.length;o=new f(p,u)}else m=(e||!c)&&j.previousSibling,n=(e||c)&&j.nextSibling,n&&d.isCharacterDataNode(n)?o=new f(n,0):m&&d.isCharacterDataNode(m)?o=new f(m,m.data.length):o=new f(i,d.getNodeIndex(j));return j.parentNode.removeChild(j),{boundaryPosition:o,nodeInfo:{nodeIndex:t,containerElement:i}}}function l(a,b){var c,e,f=a.offset,g=d.getDocument(a.node),h,i,j=g.body.createTextRange(),k=d.isCharacterDataNode(a.node);return k?(c=a.node,e=c.parentNode):(i=a.node.childNodes,c=f<i.length?i[f]:null,e=a.node),h=g.createElement("span"),h.innerHTML="&#feff;",c?e.insertBefore(h,c):e.appendChild(h),j.moveToElementText(h),j.collapse(!b),e.removeChild(h),k&&j[b?"moveStart":"moveEnd"]("character",f),j}a.requireModules(["DomUtil","DomRange"]);var c,d=a.dom,e=a.util,f=d.DomPosition,g=a.DomRange;if(a.features.implementsDomRange&&(!a.features.implementsTextRange||!a.config.preferTextRange))(function(){function h(a){var b=f.length,c;while(b--)c=f[b],a[c]=a.nativeRange[c];a.collapsed=a.startContainer===a.endContainer&&a.startOffset===a.endOffset}function i(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);if(f||g||h)a.setEnd(d,e),a.setStart(b,c)}function j(a){a.nativeRange.detach(),a.detached=!0;var b=f.length,c;while(b--)c=f[b],a[c]=null}var a,f=g.rangeProperties,k;c=function(a){if(!a)throw b.createError("WrappedRange: Range must be specified");this.nativeRange=a,h(this)},g.createPrototypeRange(c,i,j),a=c.prototype,a.selectNode=function(a){this.nativeRange.selectNode(a),h(this)},a.cloneContents=function(){return this.nativeRange.cloneContents()},a.surroundContents=function(a){this.nativeRange.surroundContents(a),h(this)},a.collapse=function(a){this.nativeRange.collapse(a),h(this)},a.cloneRange=function(){return new c(this.nativeRange.cloneRange())},a.refresh=function(){h(this)},a.toString=function(){return this.nativeRange.toString()};var l=document.createTextNode("test");d.getBody(document).appendChild(l);var m=document.createRange();m.setStart(l,0),m.setEnd(l,0);try{m.setStart(l,1),a.setStart=function(a,b){this.nativeRange.setStart(a,b),h(this)},a.setEnd=function(a,b){this.nativeRange.setEnd(a,b),h(this)},k=function(a){return function(b){this.nativeRange[a](b),h(this)}}}catch(n){a.setStart=function(a,b){try{this.nativeRange.setStart(a,b)}catch(c){this.nativeRange.setEnd(a,b),this.nativeRange.setStart(a,b)}h(this)},a.setEnd=function(a,b){try{this.nativeRange.setEnd(a,b)}catch(c){this.nativeRange.setStart(a,b),this.nativeRange.setEnd(a,b)}h(this)},k=function(a,b){return function(c){try{this.nativeRange[a](c)}catch(d){this.nativeRange[b](c),this.nativeRange[a](c)}h(this)}}}a.setStartBefore=k("setStartBefore","setEndBefore"),a.setStartAfter=k("setStartAfter","setEndAfter"),a.setEndBefore=k("setEndBefore","setStartBefore"),a.setEndAfter=k("setEndAfter","setStartAfter"),m.selectNodeContents(l),m.startContainer==l&&m.endContainer==l&&m.startOffset==0&&m.endOffset==l.length?a.selectNodeContents=function(a){this.nativeRange.selectNodeContents(a),h(this)}:a.selectNodeContents=function(a){this.setStart(a,0),this.setEnd(a,g.getEndOffset(a))},m.selectNodeContents(l),m.setEnd(l,3);var o=document.createRange();o.selectNodeContents(l),o.setEnd(l,4),o.setStart(l,2),m.compareBoundaryPoints(m.START_TO_END,o)==-1&&m.compareBoundaryPoints(m.END_TO_START,o)==1?a.compareBoundaryPoints=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)}:a.compareBoundaryPoints=function(a,b){return this.nativeRange.compareBoundaryPoints(a,b.nativeRange||b)};var p=document.createElement("div");p.innerHTML="123";var q=p.firstChild;document.body.appendChild(p),m.setStart(q,1),m.setEnd(q,2),m.deleteContents(),q.data=="13"&&(a.deleteContents=function(){this.nativeRange.deleteContents(),h(this)},a.extractContents=function(){var a=this.nativeRange.extractContents();return h(this),a}),document.body.removeChild(p),e.isHostMethod(m,"createContextualFragment")&&(a.createContextualFragment=function(a){return this.nativeRange.createContextualFragment(a)}),d.getBody(document).removeChild(l),m.detach(),o.detach()})(),a.createNativeRange=function(a){return a=h(a,"createNativeRange"),a.createRange()};else if(a.features.implementsTextRange){c=function(a){this.textRange=a,this.refresh()},c.prototype=new g(document),c.prototype.refresh=function(){var a,b,c,d=i(this.textRange);j(this.textRange)?b=a=k(this.textRange,d,!0,!0).boundaryPosition:(c=k(this.textRange,d,!0,!1),a=c.boundaryPosition,b=k(this.textRange,d,!1,!1,c.nodeInfo).boundaryPosition),this.setStart(a.node,a.offset),this.setEnd(b.node,b.offset)},g.copyComparisonConstants(c);var m=function(){return this}();typeof m.Range=="undefined"&&(m.Range=c),a.createNativeRange=function(a){return a=h(a,"createNativeRange"),a.body.createTextRange()}}a.features.implementsTextRange&&(c.rangeToTextRange=function(a){if(a.collapsed)return l(new f(a.startContainer,a.startOffset),!0);var b=l(new f(a.startContainer,a.startOffset),!0),c=l(new f(a.endContainer,a.endOffset),!1),e=d.getDocument(a.startContainer).body.createTextRange();return e.setEndPoint("StartToStart",b),e.setEndPoint("EndToEnd",c),e}),c.prototype.getName=function(){return"WrappedRange"},a.WrappedRange=c,a.createRange=function(b){return b=h(b,"createRange"),new c(a.createNativeRange(b))},a.createRangyRange=function(a){return a=h(a,"createRangyRange"),new g(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;typeof c.createRange=="undefined"&&(c.createRange=function(){return a.createRange(c)}),c=b=null})}),rangy.createModule("WrappedSelection",function(a,b){function m(a){return typeof a=="string"?a=="backward":!!a}function n(a,c){if(!a)return window;if(d.isWindow(a))return a;if(a instanceof O)return a.win;var e=d.getContentDocument(a);if(!e)throw b.createError(c+"(): "+"Parameter must be a Window object or DOM node");return d.getWindow(e)}function o(a){return n(a,"getWinSelection").getSelection()}function p(a){return n(a,"getDocSelection").document.selection}function D(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 E(a){var b=a.nativeSelection;a.anchorNode=b.anchorNode,a.anchorOffset=b.anchorOffset,a.focusNode=b.focusNode,a.focusOffset=b.focusOffset}function F(a){a.anchorNode=a.focusNode=null,a.anchorOffset=a.focusOffset=0,a.rangeCount=0,a.isCollapsed=!0,a._ranges.length=0}function G(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:a.features.implementsDomRange&&b instanceof d.getWindow(b.startContainer).Range&&(c=b),c}function H(a){if(!a.length||a[0].nodeType!=1)return!1;for(var b=1,c=a.length;b<c;++b)if(!d.isAncestorOf(a[0],a[b]))return!1;return!0}function I(a){var c=a.getNodes();if(!H(c))throw b.createError("getSingleElementFromRange: range "+a.inspect()+" did not consist of a single element");return c[0]}function J(a){return!!a&&typeof a.text!="undefined"}function K(a,b){var c=new g(b);a._ranges=[c],D(a,c,!1),a.rangeCount=1,a.isCollapsed=c.collapsed}function L(b){b._ranges.length=0;if(b.docSelection.type=="None")F(b);else{var c=b.docSelection.createRange();if(J(c))K(b,c);else{b.rangeCount=c.length;var e,f=d.getDocument(c.item(0));for(var g=0;g<b.rangeCount;++g)e=a.createRange(f),e.selectNode(c.item(g)),b._ranges.push(e);b.isCollapsed=b.rangeCount==1&&b._ranges[0].collapsed,D(b,b._ranges[b.rangeCount-1],!1)}}}function M(a,c){var e=a.docSelection.createRange(),f=I(c),g=d.getDocument(e.item(0)),h=d.getBody(g).createControlRange();for(var i=0,j=e.length;i<j;++i)h.add(e.item(i));try{h.add(f)}catch(k){throw b.createError("addRange(): Element within the specified Range could not be added to control selection (does it have layout?)")}h.select(),L(a)}function O(a,b,c){this.nativeSelection=a,this.docSelection=b,this._ranges=[],this.win=c,this.refresh()}function P(a){a.win=a.anchorNode=a.focusNode=a._ranges=null,a.detached=!0}function R(a,b){var c=Q.length,d,e;while(c--){d=Q[c],e=d.selection;if(b=="deleteAll")P(e);else if(d.win==a)return b=="delete"?(Q.splice(c,1),!0):e}return b=="deleteAll"&&(Q.length=0),null}function T(a,c){var e=d.getDocument(c[0].startContainer),f=d.getBody(e).createControlRange();for(var g=0,h;g<rangeCount;++g){h=I(c[g]);try{f.add(h)}catch(i){throw b.createError("setRanges(): Element within the one of the specified Ranges could not be added to control selection (does it have layout?)")}}f.select(),L(a)}function Y(a,b){if(a.anchorNode&&d.getDocument(a.anchorNode)!==d.getDocument(b))throw new h("WRONG_DOCUMENT_ERR")}function Z(a){var b=[],c=new i(a.anchorNode,a.anchorOffset),d=new i(a.focusNode,a.focusOffset),e=typeof a.getName=="function"?a.getName():"Selection";if(typeof a.rangeCount!="undefined")for(var g=0,h=a.rangeCount;g<h;++g)b[g]=f.inspect(a.getRangeAt(g));return"["+e+"(Ranges: "+b.join(", ")+")(anchor: "+c.inspect()+", focus: "+d.inspect()+"]"}a.requireModules(["DomUtil","DomRange","WrappedRange"]),a.config.checkSelectionRanges=!0;var c="boolean",d=a.dom,e=a.util,f=a.DomRange,g=a.WrappedRange,h=a.DOMException,i=d.DomPosition,j,k,l="Control",q=a.util.isHostMethod(window,"getSelection"),r=a.util.isHostObject(document,"selection");a.features.implementsWinGetSelection=q,a.features.implementsDocSelection=r;var s=r&&(!q||a.config.preferTextRange);s?(j=p,a.isSelectionValid=function(a){var b=n(a,"isSelectionValid").document,c=b.selection;return c.type!="None"||d.getDocument(c.createRange().parentElement())==b}):q?(j=o,a.isSelectionValid=function(){return!0}):b.fail("Neither document.selection or window.getSelection() detected."),a.getNativeSelection=j;var t=j(),u=a.createNativeRange(document),v=d.getBody(document),w=e.areHostProperties(t,["anchorNode","focusNode","anchorOffset","focusOffset"]);a.features.selectionHasAnchorAndFocus=w;var x=e.isHostMethod(t,"extend");a.features.selectionHasExtend=x;var y=typeof t.rangeCount=="number";a.features.selectionHasRangeCount=y;var z=!1,A=!0;e.areHostMethods(t,["addRange","getRangeAt","removeAllRanges"])&&typeof t.rangeCount=="number"&&a.features.implementsDomRange&&function(){var a=window.getSelection();if(a){var b=d.getBody(document),c=b.appendChild(document.createElement("div"));c.contentEditable="false";var e=c.appendChild(document.createTextNode("\u00a0\u00a0\u00a0")),f=document.createRange();f.setStart(e,1),f.collapse(!0),a.addRange(f),A=a.rangeCount==1,a.removeAllRanges();var g=f.cloneRange();f.setStart(e,0),g.setEnd(e,3),g.setStart(e,2),a.addRange(f),a.addRange(g),z=a.rangeCount==2,b.removeChild(c),a.removeAllRanges(),f.detach(),g.detach()}}(),a.features.selectionSupportsMultipleRanges=z,a.features.collapsedNonEditableSelectionsSupported=A;var B=!1,C;v&&e.isHostMethod(v,"createControlRange")&&(C=v.createControlRange(),e.areHostProperties(C,["item","add"])&&(B=!0)),a.features.implementsControlRange=B,w?k=function(a){return a.anchorNode===a.focusNode&&a.anchorOffset===a.focusOffset}:k=function(a){return a.rangeCount?a.getRangeAt(a.rangeCount-1).collapsed:!1};var N;e.isHostMethod(t,"getRangeAt")?N=function(a,b){try{return a.getRangeAt(b)}catch(c){return null}}:w&&(N=function(b){var c=d.getDocument(b.anchorNode),e=a.createRange(c);return e.setStart(b.anchorNode,b.anchorOffset),e.setEnd(b.focusNode,b.focusOffset),e.collapsed!==this.isCollapsed&&(e.setStart(b.focusNode,b.focusOffset),e.setEnd(b.anchorNode,b.anchorOffset)),e});var Q=[];a.getSelection=function(a){if(a&&a instanceof O)return a.refresh(),a;a=n(a,"getSelection");var b=R(a),c=j(a),d=r?p(a):null;return b?(b.nativeSelection=c,b.docSelection=d,b.refresh()):(b=new O(c,d,a),Q.push({win:a,selection:b})),b},a.getIframeSelection=function(c){return b.deprecationNotice("getIframeSelection()","getSelection(iframeEl)"),a.getSelection(d.getIframeWindow(c))};var S=O.prototype;if(!s&&w&&e.areHostMethods(t,["removeAllRanges","addRange"])){S.removeAllRanges=function(){this.nativeSelection.removeAllRanges(),F(this)};var U=function(b,c){var d=f.getRangeDocument(c),e=a.createRange(d);e.collapseToPoint(c.endContainer,c.endOffset),b.nativeSelection.addRange(G(e)),b.nativeSelection.extend(c.startContainer,c.startOffset),b.refresh()};y?S.addRange=function(b,c){if(B&&r&&this.docSelection.type==l)M(this,b);else if(m(c)&&x)U(this,b);else{var d;z?d=this.rangeCount:(this.removeAllRanges(),d=0),this.nativeSelection.addRange(G(b).cloneRange()),this.rangeCount=this.nativeSelection.rangeCount;if(this.rangeCount==d+1){if(a.config.checkSelectionRanges){var e=N(this.nativeSelection,this.rangeCount-1);e&&!f.rangesEqual(e,b)&&(b=new g(e))}this._ranges[this.rangeCount-1]=b,D(this,b,X(this.nativeSelection)),this.isCollapsed=k(this)}else this.refresh()}}:S.addRange=function(a,b){m(b)&&x?U(this,a):(this.nativeSelection.addRange(G(a)),this.refresh())},S.setRanges=function(a){if(B&&a.length>1)T(this,a);else{this.removeAllRanges();for(var b=0,c=a.length;b<c;++b)this.addRange(a[b])}}}else{if(!(e.isHostMethod(t,"empty")&&e.isHostMethod(u,"select")&&B&&s))return b.fail("No means of selecting a Range or TextRange was found"),!1;S.removeAllRanges=function(){try{this.docSelection.empty();if(this.docSelection.type!="None"){var a;if(this.anchorNode)a=d.getDocument(this.anchorNode);else if(this.docSelection.type==l){var b=this.docSelection.createRange();b.length&&(a=d.getDocument(b.item(0)).body.createTextRange())}if(a){var c=a.body.createTextRange();c.select(),this.docSelection.empty()}}}catch(e){}F(this)},S.addRange=function(a){this.docSelection.type==l?M(this,a):(g.rangeToTextRange(a).select(),this._ranges[0]=a,this.rangeCount=1,this.isCollapsed=this._ranges[0].collapsed,D(this,a,!1))},S.setRanges=function(a){this.removeAllRanges();var b=a.length;b>1?T(this,a):b&&this.addRange(a[0])}}S.getRangeAt=function(a){if(a<0||a>=this.rangeCount)throw new h("INDEX_SIZE_ERR");return this._ranges[a].cloneRange()};var V;if(s)V=function(b){var c;a.isSelectionValid(b.win)?c=b.docSelection.createRange():(c=d.getBody(b.win.document).createTextRange(),c.collapse(!0)),b.docSelection.type==l?L(b):J(c)?K(b,c):F(b)};else if(e.isHostMethod(t,"getRangeAt")&&typeof t.rangeCount=="number")V=function(b){if(B&&r&&b.docSelection.type==l)L(b);else{b._ranges.length=b.rangeCount=b.nativeSelection.rangeCount;if(b.rangeCount){for(var c=0,d=b.rangeCount;c<d;++c)b._ranges[c]=new a.WrappedRange(b.nativeSelection.getRangeAt(c));D(b,b._ranges[b.rangeCount-1],X(b.nativeSelection)),b.isCollapsed=k(b)}else F(b)}};else{if(!w||typeof t.isCollapsed!=c||typeof u.collapsed!=c||!a.features.implementsDomRange)return b.fail("No means of obtaining a Range or TextRange from the user's selection was found"),!1;V=function(a){var b,c=a.nativeSelection;c.anchorNode?(b=N(c,0),a._ranges=[b],a.rangeCount=1,E(a),a.isCollapsed=k(a)):F(a)}}S.refresh=function(a){var b=a?this._ranges.slice(0):null,c=this.anchorNode,d=this.anchorOffset;V(this);if(a){var e=b.length;if(e!=this._ranges.length)return!0;if(this.anchorNode!=c||this.anchorOffset!=d)return!0;while(e--)if(!f.rangesEqual(b[e],this._ranges[e]))return!0;return!1}};var W=function(b,c){var d=b.getAllRanges();b.removeAllRanges();for(var e=0,f=d.length;e<f;++e)a.DomRange.rangesEqual(c,d[e])||b.addRange(d[e]);b.rangeCount||F(b)};B?S.removeRange=function(a){if(this.docSelection.type==l){var b=this.docSelection.createRange(),c=I(a),e=d.getDocument(b.item(0)),f=d.getBody(e).createControlRange(),g,h=!1;for(var i=0,j=b.length;i<j;++i)g=b.item(i),g!==c||h?f.add(b.item(i)):h=!0;f.select(),L(this)}else W(this,a)}:S.removeRange=function(a){W(this,a)};var X;!s&&w&&a.features.implementsDomRange?(X=function(a){var b=!1;return a.anchorNode&&(b=d.comparePoints(a.anchorNode,a.anchorOffset,a.focusNode,a.focusOffset)==1),b},S.isBackward=function(){return X(this)}):X=S.isBackward=function(){return!1},S.isBackwards=S.isBackward,S.toString=function(){var a=[];for(var b=0,c=this.rangeCount;b<c;++b)a[b]=""+this._ranges[b];return a.join("")},S.collapse=function(b,c){Y(this,b);var d=a.createRange(b);d.collapseToPoint(b,c),this.setSingleRange(d),this.isCollapsed=!0},S.collapseToStart=function(){if(!this.rangeCount)throw new h("INVALID_STATE_ERR");var a=this._ranges[0];this.collapse(a.startContainer,a.startOffset)},S.collapseToEnd=function(){if(!this.rangeCount)throw new h("INVALID_STATE_ERR");var a=this._ranges[this.rangeCount-1];this.collapse(a.endContainer,a.endOffset)},S.selectAllChildren=function(b){Y(this,b);var c=a.createRange(b);c.selectNodeContents(b),this.removeAllRanges(),this.addRange(c)},S.deleteFromDocument=function(){if(B&&r&&this.docSelection.type==l){var a=this.docSelection.createRange(),b;while(a.length)b=a.item(0),a.remove(b),b.parentNode.removeChild(b);this.refresh()}else if(this.rangeCount){var c=this.getAllRanges();if(c.length){this.removeAllRanges();for(var d=0,e=c.length;d<e;++d)c[d].deleteContents();this.addRange(c[e-1])}}},S.getAllRanges=function(){var a=[];for(var b=0,c=this._ranges.length;b<c;++b)a[b]=this.getRangeAt(b);return a},S.setSingleRange=function(a,b){this.removeAllRanges(),this.addRange(a,b)},S.containsNode=function(a,b){for(var c=0,d=this._ranges.length;c<d;++c)if(this._ranges[c].containsNode(a,b))return!0;return!1},S.toHtml=function(){var a=[];if(this.rangeCount)for(var b=0,c=this._ranges.length;b<c;++b)a.push(this._ranges[b].toHtml());return a.join("")},S.getName=function(){return"WrappedSelection"},S.inspect=function(){return Z(this)},S.detach=function(){R(this.win,"delete"),P(this)},O.detachAll=function(){R(null,"deleteAll")},O.inspect=Z,O.isDirectionBackward=m,a.Selection=O,a.selectionPrototype=S,a.addCreateMissingNativeApiListener(function(b){typeof b.getSelection=="undefined"&&(b.getSelection=function(){return a.getSelection(b)}),b=null})})
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