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= function (initialJsonData, showingResultsFormat) {\r\n  var self = this;\r\n\r\n  self.Name = 'HandbookSearchViewModel';\r\n\r\n  self.HandbookSearchResultData = ko.observable(null);\r\n  self.IsSearchRunning = ko.observable(false);\r\n  self.IsResultModelInitialized = ko.observable(false);\r\n  self.TypeAheadFilter = ko.observable('');\r\n\r\n\r\n  // Display Field For (showing results {0} of {1} ect.....)\r\n  self.ShowingResultsFormat = ko.computed(function () {\r\n    if (!!self.HandbookSearchResultData()) {\r\n      return showingResultsFormat.replace('{0}', self.HandbookSearchResultData().searchResults().length).replace('{1}', self.HandbookSearchResultData().resultCount()) + ' for ';\r\n    }\r\n    return '';\r\n  });\r\n  self.DisplaySearchTerm = ko.computed(function () {\r\n    self.IsSearchRunning();\r\n    var searchTerm = self.TypeAheadFilter.peek();\r\n    return \"'\" + searchTerm + \"'\";\r\n  });\r\n\r\n  self.BackToDefaultView = function () {\r\n    var qs = \"?view=default\";\r\n    History.pushState({ qs: qs }, History.options.initialTitle, qs);\r\n    self.TypeAheadFilter('');\r\n  };\r\n\r\n  self.Load = function (initialJson) {\r\n    self.IsSearchRunning(true);\r\n    var qsParms = self.parseQueryString(window.location.href);\r\n    if (!!qsParms) {\r\n      if (!!qsParms.query && qsParms.query.length > 0) {\r\n        self.TypeAheadFilter(qsParms.query);\r\n      }\r\n    }\r\n    self.HandbookSearchResultData(new HandbookSearchResults(initialJson));\r\n    self.IsSearchRunning(false);\r\n  };\r\n\r\n  // Build query string based on filters\r\n  self.QueryString = function () {\r\n    var queryString = \"?view=search\";\r\n\r\n    if (self.HandbookSearchResultData().searchFilters.query() != null && self.HandbookSearchResultData().searchFilters.query().length > 0) {\r\n      queryString += (queryString != \"\" ? \"&\" : \"?\");\r\n      queryString += \"query=\" + encodeURIComponent(self.HandbookSearchResultData().searchFilters.query());\r\n    }\r\n    if (self.HandbookSearchResultData().searchFilters.skip() > 0) {\r\n      queryString += (queryString != \"\" ? \"&\" : \"?\");\r\n      queryString += \"skip=\" + self.HandbookSearchResultData().searchFilters.skip();\r\n    }\r\n    queryString += (queryString != \"\" ? \"&\" : \"?\");\r\n    queryString += \"scroll=\" + $(window).scrollTop();\r\n\r\n    return queryString;\r\n  };\r\n\r\n  self.parseQueryString = function (str) {\r\n    if (typeof str !== 'string') {\r\n      return {};\r\n    }\r\n    var strArr = str.trim().split('?');\r\n    if (!strArr || strArr.length < 2) {\r\n      return {};\r\n    }\r\n    str = strArr[1];\r\n    return str.trim().split('&').reduce(function (ret, param) {\r\n      var parts = param.replace(/\\+/g, ' ').split('=');\r\n      ret[parts[0]] = parts[1] === undefined ? null : decodeURIComponent(parts[1]);\r\n      return ret;\r\n    }, {});\r\n  };\r\n\r\n  // Run search by pushing new state\r\n  self.Search = function () {\r\n    if (!!self.HandbookSearchResultData) {\r\n      if ((self.TypeAheadFilter().trim().length > 0) && (self.TypeAheadFilter().trim() !== self.HandbookSearchResultData().searchFilters.query())) {\r\n        self.HandbookSearchResultData().searchFilters.query(self.TypeAheadFilter().trim());\r\n        self.HandbookSearchResultData().searchResults([]);\r\n        self.HandbookSearchResultData().resultCount(0);\r\n        self.HandbookSearchResultData().hasMoreResults(false);\r\n        self.HandbookSearchResultData().searchFilters.skip(0);\r\n        var qs = self.QueryString();\r\n        History.pushState({ qs: qs }, History.options.initialTitle, qs);\r\n      }\r\n    } else {\r\n      self.TypeAheadFilter('');\r\n    }\r\n  };\r\n\r\n  // Load next page\r\n  self.LoadNextPage = function () {\r\n    self.HandbookSearchResultData().searchFilters.skip(self.HandbookSearchResultData().searchResults().length);\r\n    var qs = self.QueryString();\r\n    History.pushState({ qs: qs }, History.options.initialTitle, qs);\r\n  };\r\n\r\n  // Load data from server\r\n  self.LoadDataFromServer = function () {\r\n    self.IsSearchRunning(true);\r\n\r\n    $.ajax({\r\n      url: '/api/handbook/search',\r\n      type: \"GET\",\r\n      dataType: \"json\",\r\n      contentType: \"application/json; charset=utf-8\",\r\n      data: self.HandbookSearchResultData().searchFilters,\r\n      cache: false,\r\n      success: function (data) {\r\n        if (self.HandbookSearchResultData().searchFilters.skip() == 0) {\r\n          self.HandbookSearchResultData().resultCount(0);\r\n          self.HandbookSearchResultData().searchResults([]);\r\n        }\r\n        var newHandbookResultData = new HandbookSearchResults(data);\r\n        var oldResults = self.HandbookSearchResultData().searchResults();\r\n\r\n        newHandbookResultData.searchResults(oldResults.concat(newHandbookResultData.searchResults()));\r\n        self.HandbookSearchResultData(newHandbookResultData);\r\n\r\n        self.TypeAheadFilter(data.searchFilters.query);\r\n\r\n        self.IsSearchRunning(false);\r\n        $('#HandbookSearchInput').blur();\r\n\r\n      },\r\n      error: function (xhr, textStatus, errorThrown) {\r\n        console.log(xhr);\r\n        console.log(\"textStatus : \" + textStatus);\r\n        console.log(\"errorThrown : \" + errorThrown);\r\n      }\r\n    });\r\n  }\r\n\r\n  self.Load(initialJsonData);\r\n};\r\nko.bindingHandlers.BindTopicTileHover = {\r\n\r\n  init: function (element, valueAccessor, allBindings, viewModel, bindingContext) {\r\n  },\r\n  update: function (element, valueAccessor, allBindings, viewModel, bindingContext) {\r\n    $(element).on('mouseenter', function () {\r\n      var currentHeight = $(this).parent().height();\r\n      $(this).addClass('tile-hovered');\r\n      $(this).parent().css('height', currentHeight + 'px');\r\n\r\n    });\r\n    $(element).on('mouseleave', function () {\r\n      $(this).parent().css('height', 'auto');\r\n      $(this).removeClass('tile-hovered');\r\n    });\r\n  }\r\n};\r\nko.bindingHandlers.SearchEnterkey = {\r\n  init: function (element, valueAccessor, allBindings, viewModel, bindingContext) {\r\n    var callback = valueAccessor();\r\n    $(element).keypress(function (event) {\r\n      var keyCode = (event.which ? event.which : event.keyCode);\r\n      if (keyCode === 13) {\r\n        callback.call(viewModel);\r\n        $(element).blur();\r\n        return false;\r\n      }\r\n      return true;\r\n    });\r\n    $(window).blur(function () {\r\n      $(element).blur();\r\n    });\r\n  },\r\n  update: function (element, valueAccessor, allBindings, viewModel, bindingContext) {\r\n  }\r\n};\r\nko.bindingHandlers.bindAutoComplete = {\r\n  init: function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {\r\n    var acInput = $(element);\r\n    var observable = valueAccessor();\r\n    var allBindings = allBindingsAccessor();\r\n    var root = bindingContext.$root;\r\n\r\n    var autoCompleteSection = allBindings.bindAutoCompleteSection;\r\n    var autoCompleteField = allBindings.bindAutoCompleteField;\r\n    var autoCompleteMaxResults = 7;\r\n    if (!!allBindings && !!allBindings.bindAutoCompleteMaxResults && allBindings.bindAutoCompleteMaxResults != '') {\r\n      autoCompleteMaxResults = allBindings.bindAutoCompleteMaxResults;\r\n    }\r\n    var autoCompleteUrl = allBindings.bindAutoCompleteServiceUrl;\r\n    var autoCompleteAppendTo = allBindings.bindAutoCompleteAppendTo;\r\n\r\n    var appendTo = null\r\n    if (!!autoCompleteAppendTo && autoCompleteAppendTo != '') {\r\n      appendTo = $(autoCompleteAppendTo);\r\n    }\r\n\r\n    var pattern, formattedResult, termArry;\r\n    // Copied From jquery.autocomplete.js for custom formatting\r\n    var\r\n      utils = (function () {\r\n        return {\r\n          escapeRegExChars: function (value) {\r\n            return value.replace(/[\\-\\[\\]\\/\\{\\}\\(\\)\\*\\+\\?\\.\\\\\\^\\$\\|]/g, \"\\\\$&\");\r\n          },\r\n          createNode: function (containerClass) {\r\n            var div = document.createElement('div');\r\n            div.className = containerClass;\r\n            div.style.position = 'absolute';\r\n            div.style.display = 'none';\r\n            return div;\r\n          }\r\n        };\r\n      }()),\r\n\r\n      keys = {\r\n        ESC: 27,\r\n        TAB: 9,\r\n        RETURN: 13,\r\n        LEFT: 37,\r\n        UP: 38,\r\n        RIGHT: 39,\r\n        DOWN: 40\r\n      };\r\n\r\n    var ac = acInput.autocomplete({\r\n      maxHeight: '100%',\r\n      appendTo: appendTo,\r\n      zIndex: 150,\r\n      serviceUrl: autoCompleteUrl,\r\n      noCache: true,\r\n      minChars: 3,\r\n      dataType: \"json\",\r\n      contentType: \"application/json; charset=utf-8\",\r\n      triggerSelectOnValidInput: false,\r\n      params: { field: autoCompleteField, take: autoCompleteMaxResults, handbookId: root.HandbookId() },\r\n      onSelect: function (value) {\r\n        window.location.href = value.url;\r\n      },\r\n      transformResult: function (response, originalQuery) {\r\n        var autoCompleteResultCount = 0;\r\n        return {\r\n          suggestions: $.map(response, function (dataItem) {\r\n            if (autoCompleteResultCount < autoCompleteMaxResults) {\r\n              autoCompleteResultCount++;\r\n              return { url: dataItem.Url, value: dataItem.Name };\r\n            }\r\n            return [];\r\n          })\r\n        };\r\n      },\r\n      formatResult: function (suggestion, currentValue) {\r\n        termArry = currentValue.replace(/\"/gi, '').replace(/”/gi, '').replace(/“/gi, '').split(' ');\r\n        if (termArry.length > 0) {\r\n          //sort terms longest to shortest for multiple search terms that may start with same letters (i.e. searching John J)\r\n          termArry = termArry.sort(function (a, b) {\r\n            return b.length - a.length;\r\n          });\r\n          formattedResult = suggestion.value;\r\n          pattern = '';\r\n          for (var i = 0; i < termArry.length; i++) {\r\n            var keyTerm = termArry[i].trim().replace(/\"/gi, '');\r\n            if (keyTerm.length > 0) {\r\n              //Matching start of string or matching start of word including all characters or matching start of word surrounded in quotes\r\n              //Ignores span tag and class if already replaced\r\n              pattern = '((\\\\s' + utils.escapeRegExChars(keyTerm) + ')|(^' + utils.escapeRegExChars(keyTerm) + ')|(\\\\s\"' + utils.escapeRegExChars(keyTerm) + '))(?![^<>]*>)';\r\n              formattedResult = formattedResult.replace(new RegExp(pattern, 'gi'), '<span class=\"auto-term\">$1<\\/span>');\r\n            }\r\n          }\r\n        }\r\n\r\n        return \"<span class='label'>\" + formattedResult + \"</span>\";\r\n      },\r\n      onSearchStart: function (params) {\r\n        if (params.query.trim().length < 3) {\r\n          return false;\r\n        } else {\r\n          params.query = params.query.trim()\r\n        }\r\n      }\r\n    });\r\n  }\r\n}"]}