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/*
* An Angular service which helps with creating recursive directives.
* @author Mark Lagendijk
* @license MIT
*/
angular.module('RecursionHelper',[]).factory('RecursionHelper',['$compile',function($compile){
return{
/**
* Manually compiles the element, fixing the recursion loop.
* @param element
* @param [link] A post-link function, or an object with function(s) registered via pre and post properties.
* @returns An object containing the linking functions.
*/
compile: function(element,link,replace_existing){
// Normalize the link parameter
if(angular.isFunction(link)){
link={post: link};
}
// Break the recursion loop by removing the contents
varcontents=element.contents().remove();
varcompiledContents;
return{
pre: (link&&link.pre) ? link.pre : null,
/**
* Compiles and re-adds the contents
*/
post: function(scope,element,attributes,controller,transcludeFn){
// Compile the contents
if(!compiledContents){
compiledContents=$compile(contents);
}
// Re-add the compiled contents to the element
varcloneAttachFn=function(clone){
if(replace_existing){
element.after(clone);
element.hide();
element=clone;
}else{
element.append(clone);
}
};
varoptions={
parentBoundTranscludeFn: function(scope,cloneAttachFn,transcludeControllers,futureParentElement,scopeToChild){
transcludeFn.call(null,scopeToChild,cloneAttachFn,/*futureParentElement.is('tr') ? futureParentElement.parent() :*/futureParentElement);
}
};
compiledContents(scope,cloneAttachFn,options);
// Call the post-linking function, if any
if(link&&link.post){
link.post.call(null,scope,element,attributes,controller,transcludeFn);
}
}
};
}
};
}]);