11 lines
46 KiB
JavaScript
11 lines
46 KiB
JavaScript
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/**
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* Rangy, a cross-browser JavaScript range and selection library
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* https://github.com/timdown/rangy
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*
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* Copyright 2015, Tim Down
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* Licensed under the MIT license.
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* Version: 1.3.0
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* Build date: 10 May 2015
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*/
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!function(e,t){"function"==typeof define&&define.amd?define(e):"undefined"!=typeof module&&"object"==typeof exports?module.exports=e():t.rangy=e()}(function(){function e(e,t){var n=typeof e[t];return n==N||!(n!=C||!e[t])||"unknown"==n}function t(e,t){return!(typeof e[t]!=C||!e[t])}function n(e,t){return typeof e[t]!=E}function r(e){return function(t,n){for(var r=n.length;r--;)if(!e(t,n[r]))return!1;return!0}}function o(e){return e&&O(e,T)&&D(e,w)}function i(e){return t(e,"body")?e.body:e.getElementsByTagName("body")[0]}function a(t){typeof console!=E&&e(console,"log")&&console.log(t)}function s(e,t){b&&t?alert(e):a(e)}function c(e){I.initialized=!0,I.supported=!1,s("Rangy is not supported in this environment. Reason: "+e,I.config.alertOnFail)}function d(e){s("Rangy warning: "+e,I.config.alertOnWarn)}function f(e){return e.message||e.description||String(e)}function u(){if(b&&!I.initialized){var t,n=!1,r=!1;e(document,"createRange")&&(t=document.createRange(),O(t,y)&&D(t,S)&&(n=!0));var s=i(document);if(!s||"body"!=s.nodeName.toLowerCase())return void c("No body element found");if(s&&e(s,"createTextRange")&&(t=s.createTextRange(),o(t)&&(r=!0)),!n&&!r)return void c("Neither Range nor TextRange are available");I.initialized=!0,I.features={implementsDomRange:n,implementsTextRange:r};var d,u;for(var l in x)(d=x[l])instanceof p&&d.init(d,I);for(var h=0,g=M.length;g>h;++h)try{M[h](I)}catch(m){u="Rangy init listener threw an exception. Continuing. Detail: "+f(m),a(u)}}}function l(e,t,n){n&&(e+=" in module "+n.name),I.warn("DEPRECATED: "+e+" is deprecated. Please use "+t+" instead.")}function h(e,t,n,r){e[t]=function(){return l(t,n,r),e[n].apply(e,P.toArray(arguments))}}function g(e){e=e||window,u();for(var t=0,n=k.length;n>t;++t)k[t](e)}function p(e,t,n){this.name=e,this.dependencies=t,this.initialized=!1,this.supported=!1,this.initializer=n}function m(e,t,n){var r=new p(e,t,function(t){if(!t.initialized){t.initialized=!0;try{n(I,t),t.supported=!0}catch(r){var o="Module '"+e+"' failed to load: "+f(r);a(o),r.stack&&a(r.stack)}}});return x[e]=r,r}function R(){}function v(){}var C="object",N="function",E="undefined",S=["startContainer","startOffset","endContainer","endOffset","collapsed","commonAncestorContainer"],y=["setStart","setStartBefore","setStartAfter","setEnd","setEndBefore","setEndAfter","collapse","selectNode","selectNodeContents","compareBoundaryPoints","deleteContents","extractContents","cloneContents","insertNode","surroundContents","cloneRange","toString","detach"],w=["boundingHeight","boundingLeft","boundingTop","boundingWidth","htmlText","text"],T=["collapse","compareEndPoints","duplicate","moveToElementText","parentElement","select","setEndPoint","getBoundingClientRect"],O=r(e),_=r(t),D=r(n),A=[].forEach?function(e,t){e.forEach(t)}:function(e,t){for(var n=0,r=e.length;r>n;++n)t(e[n],n)},x={},b=typeof window!=E&&typeof document!=E,P={isHostMethod:e,isHostObject:t,isHostProperty:n,areHostMethods:O,areHostObjects:_,areHostProperties:D,isTextRange:o,getBody:i,forEach:A},I={version:"1.3.0",initialized:!1,isBrowser:b,supported:!0,util:P,features:{},modules:x,config:{alertOnFail:!1,alertOnWarn:!1,preferTextRange:!1,autoInitialize:typeof rangyAutoInitialize==E?!0:rangyAutoInitialize}};I.fail=c,I.warn=d;var B;({}).hasOwnProperty?(P.extend=B=function(e,t,n){var r,o;for(var i in t)t.hasOwnProperty(i)&&(r=e[i],o=t[i],n&&null!==r&&"object"==typeof r&&null!==o&&"object"==typeof o&&B(r,o,!0),e[i]=o);return t.hasOwnProperty("toString")&&(e.toString=t.toString),e},P.createOptions=function(e,t){var n={};return B(n,t),e&&B(n,e),n}):c("hasOwnProperty not supported"),b||c("Rangy can only run in a browser"),function(){var e;if(b){var t=document.createElement("div");t.appendChild(document.createElement("span"));var n=[].slice;try{1==n.call(t.childNodes,0)[0].nodeType&&(e=function(e){return n.call(e,0)})}catch(r){}}e||(e=function(e){for(var t=[],n=0,r=e.length;r>n;++n)t[n]=e[n];return t}),P.toArray=e}();var H;b&&(e(document,"addEventListener")?H=function(e,t,n){e.addEventListener(t,n,!1)}:e(document,"attachEvent")?H=function(e,t,n){e.att
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l(this.textRange)?t=e=h(this.textRange,r,!0,!0).boundaryPosition:(n=h(this.textRange,r,!0,!1),e=n.boundaryPosition,t=h(this.textRange,r,!1,!1,n.nodeInfo).boundaryPosition),this.setStart(e.node,e.offset),this.setEnd(t.node,t.offset)},r.prototype.getName=function(){return"WrappedTextRange"},s.copyComparisonConstants(r);var p=function(e){if(e.collapsed)return g(new a(e.startContainer,e.startOffset),!0);var t=g(new a(e.startContainer,e.startOffset),!0),n=g(new a(e.endContainer,e.endOffset),!1),r=c(s.getRangeDocument(e)).createTextRange();return r.setEndPoint("StartToStart",t),r.setEndPoint("EndToEnd",n),r};if(r.rangeToTextRange=p,r.prototype.toTextRange=function(){return p(this)},e.WrappedTextRange=r,!e.features.implementsDomRange||e.config.preferTextRange){var m=function(e){return e("return this;")()}(Function);"undefined"==typeof m.Range&&(m.Range=r),e.createNativeRange=function(e){return e=d(e,t,"createNativeRange"),c(e).createTextRange()},e.WrappedRange=r}}e.createRange=function(n){return n=d(n,t,"createRange"),new e.WrappedRange(e.createNativeRange(n))},e.createRangyRange=function(e){return e=d(e,t,"createRangyRange"),new s(e)},i.createAliasForDeprecatedMethod(e,"createIframeRange","createRange"),i.createAliasForDeprecatedMethod(e,"createIframeRangyRange","createRangyRange"),e.addShimListener(function(t){var n=t.document;"undefined"==typeof n.createRange&&(n.createRange=function(){return e.createRange(n)}),n=t=null})}),I.createCoreModule("WrappedSelection",["DomRange","WrappedRange"],function(e,t){function n(e){return"string"==typeof e?/^backward(s)?$/i.test(e):!!e}function r(e,n){if(e){if(D.isWindow(e))return e;if(e instanceof R)return e.win;var r=D.getContentDocument(e,t,n);return D.getWindow(r)}return window}function o(e){return r(e,"getWinSelection").getSelection()}function i(e){return r(e,"getDocSelection").document.selection}function a(e){var t=!1;return e.anchorNode&&(t=1==D.comparePoints(e.anchorNode,e.anchorOffset,e.focusNode,e.focusOffset)),t}function s(e,t,n){var r=n?"end":"start",o=n?"start":"end";e.anchorNode=t[r+"Container"],e.anchorOffset=t[r+"Offset"],e.focusNode=t[o+"Container"],e.focusOffset=t[o+"Offset"]}function c(e){var t=e.nativeSelection;e.anchorNode=t.anchorNode,e.anchorOffset=t.anchorOffset,e.focusNode=t.focusNode,e.focusOffset=t.focusOffset}function d(e){e.anchorNode=e.focusNode=null,e.anchorOffset=e.focusOffset=0,e.rangeCount=0,e.isCollapsed=!0,e._ranges.length=0}function f(t){var n;return t instanceof b?(n=e.createNativeRange(t.getDocument()),n.setEnd(t.endContainer,t.endOffset),n.setStart(t.startContainer,t.startOffset)):t instanceof P?n=t.nativeRange:H.implementsDomRange&&t instanceof D.getWindow(t.startContainer).Range&&(n=t),n}function u(e){if(!e.length||1!=e[0].nodeType)return!1;for(var t=1,n=e.length;n>t;++t)if(!D.isAncestorOf(e[0],e[t]))return!1;return!0}function l(e){var n=e.getNodes();if(!u(n))throw t.createError("getSingleElementFromRange: range "+e.inspect()+" did not consist of a single element");return n[0]}function h(e){return!!e&&"undefined"!=typeof e.text}function g(e,t){var n=new P(t);e._ranges=[n],s(e,n,!1),e.rangeCount=1,e.isCollapsed=n.collapsed}function p(t){if(t._ranges.length=0,"None"==t.docSelection.type)d(t);else{var n=t.docSelection.createRange();if(h(n))g(t,n);else{t.rangeCount=n.length;for(var r,o=k(n.item(0)),i=0;i<t.rangeCount;++i)r=e.createRange(o),r.selectNode(n.item(i)),t._ranges.push(r);t.isCollapsed=1==t.rangeCount&&t._ranges[0].collapsed,s(t,t._ranges[t.rangeCount-1],!1)}}}function m(e,n){for(var r=e.docSelection.createRange(),o=l(n),i=k(r.item(0)),a=L(i).createControlRange(),s=0,c=r.length;c>s;++s)a.add(r.item(s));try{a.add(o)}catch(d){throw t.createError("addRange(): Element within the specified Range could not be added to control selection (does it have layout?)")}a.select(),p(e)}function R(e,t,n){this.nativeSelection=e,this.docSelection=t,this._ranges=[],this.win=n,this.refresh()}function v(e){e.win=e.anchorNode=e.focusNode=e._ranges=null,e.rangeCount=e.anchorOffset=e.focusOffset=0,e.detached=!0}function C(e,t){for(var n,r,o=tt.length;o--;)if(n=tt[o],r
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