Source: src/js/views/metadata/EML211View.js

define([
  "underscore",
  "jquery",
  "backbone",
  "views/metadata/ScienceMetadataView",
  "views/metadata/EMLGeoCoverageView",
  "views/metadata/EMLPartyView",
  "views/metadata/EMLMethodsView",
  "views/metadata/EMLTempCoverageView",
  "models/metadata/eml211/EML211",
  "models/metadata/eml211/EMLGeoCoverage",
  "models/metadata/eml211/EMLKeywordSet",
  "models/metadata/eml211/EMLParty",
  "models/metadata/eml211/EMLProject",
  "models/metadata/eml211/EMLText",
  "models/metadata/eml211/EMLTaxonCoverage",
  "models/metadata/eml211/EMLTemporalCoverage",
  "models/metadata/eml211/EMLMethods",
  "text!templates/metadata/eml.html",
  "text!templates/metadata/eml-people.html",
  "text!templates/metadata/EMLPartyCopyMenu.html",
  "text!templates/metadata/metadataOverview.html",
  "text!templates/metadata/dates.html",
  "text!templates/metadata/locationsSection.html",
  "text!templates/metadata/taxonomicCoverage.html",
  "text!templates/metadata/taxonomicClassificationTable.html",
  "text!templates/metadata/taxonomicClassificationRow.html",
  "text!templates/metadata/data-sensitivity.html",
], function (
  _,
  $,
  Backbone,
  ScienceMetadataView,
  EMLGeoCoverageView,
  EMLPartyView,
  EMLMethodsView,
  EMLTempCoverageView,
  EML,
  EMLGeoCoverage,
  EMLKeywordSet,
  EMLParty,
  EMLProject,
  EMLText,
  EMLTaxonCoverage,
  EMLTemporalCoverage,
  EMLMethods,
  Template,
  PeopleTemplate,
  EMLPartyCopyMenuTemplate,
  OverviewTemplate,
  DatesTemplate,
  LocationsTemplate,
  TaxonomicCoverageTemplate,
  TaxonomicClassificationTable,
  TaxonomicClassificationRow,
  DataSensitivityTemplate,
) {
  /**
   * @class EMLView
   * @classdesc An EMLView renders an editable view of an EML 2.1.1 document
   * @classcategory Views/Metadata
   * @extends ScienceMetadataView
   */
  var EMLView = ScienceMetadataView.extend(
    /** @lends EMLView */ {
      type: "EML211",

      el: "#metadata-container",

      events: {
        "change .text": "updateText",

        "change .basic-text": "updateBasicText",
        "keyup  .basic-text.new": "addBasicText",
        "mouseover .basic-text-row .remove": "previewTextRemove",
        "mouseout .basic-text-row .remove": "previewTextRemove",

        "change .pubDate input": "updatePubDate",
        "focusout .pubDate input": "showPubDateValidation",

        "keyup .eml-geocoverage.new": "updateLocations",

        "change .taxonomic-coverage": "updateTaxonCoverage",
        "keyup .taxonomic-coverage .new input": "addNewTaxon",
        "keyup .taxonomic-coverage .new select": "addNewTaxon",
        "focusout .taxonomic-coverage tr": "showTaxonValidation",
        "click .taxonomic-coverage-row .remove": "removeTaxonRank",
        "mouseover .taxonomic-coverage .remove": "previewTaxonRemove",
        "mouseout .taxonomic-coverage .remove": "previewTaxonRemove",

        "change .keywords": "updateKeywords",
        "keyup .keyword-row.new input": "addNewKeyword",
        "mouseover .keyword-row .remove": "previewKeywordRemove",
        "mouseout .keyword-row .remove": "previewKeywordRemove",

        "change .usage": "updateRadioButtons",

        "change .funding": "updateFunding",
        "keyup .funding.new": "addFunding",
        "mouseover .funding-row .remove": "previewFundingRemove",
        "mouseout .funding-row .remove": "previewFundingRemove",
        "keyup .funding.error": "handleFundingTyping",

        "click .side-nav-item": "switchSection",

        "keyup .eml-party.new": "handlePersonTyping",
        "change #new-party-menu": "chooseNewPersonType",
        "click .eml-party .copy": "showCopyPersonMenu",
        "click #copy-party-save": "copyPerson",
        "click .eml-party .remove": "removePerson",
        "click .eml-party .move-up": "movePersonUp",
        "click .eml-party .move-down": "movePersonDown",

        "click input.annotation": "addAnnotation",

        "click  .remove": "handleRemove",
      },

      /* A list of the subviews */
      subviews: [],

      /* The active section in the view - can only be the section name (e.g. overview, people)
       * The active section is highlighted in the table of contents and is scrolled to when the page loads
       */
      activeSection: "overview",

      /* The visible section in the view - can either be the section name (e.g. overview, people) or "all"
       * The visible section is the ONLY section that is displayed. If set to all, all sections are displayed.
       */
      visibleSection: "overview",

      /* Templates */
      template: _.template(Template),
      overviewTemplate: _.template(OverviewTemplate),
      dataSensitivityTemplate: _.template(DataSensitivityTemplate),
      datesTemplate: _.template(DatesTemplate),
      locationsTemplate: _.template(LocationsTemplate),
      taxonomicCoverageTemplate: _.template(TaxonomicCoverageTemplate),
      taxonomicClassificationTableTemplate: _.template(
        TaxonomicClassificationTable,
      ),
      taxonomicClassificationRowTemplate: _.template(
        TaxonomicClassificationRow,
      ),
      copyPersonMenuTemplate: _.template(EMLPartyCopyMenuTemplate),
      peopleTemplate: _.template(PeopleTemplate),

      /**
       * jQuery selector for the element that contains the Data Sensitivity section.
       * @type {string}
       */
      dataSensitivityContainerSelector: "#data-sensitivity-container",

      /**
       * An array of literal objects to describe each type of EML Party. This property has been moved to
       * {@link EMLParty#partyTypes} as of 2.21.0 and will soon be deprecated.
       * @type {object[]}
       * @deprecated
       * @since 2.15.0
       */
      partyTypes: EMLParty.prototype.partyTypes,

      initialize: function (options) {
        //Set up all the options
        if (typeof options == "undefined") var options = {};

        //The EML Model and ID
        this.model = options.model || new EML();
        if (!this.model.get("id") && options.id)
          this.model.set("id", options.id);

        //Get the current mode
        this.edit = options.edit || false;

        return this;
      },

      /* Render the view */
      render: function () {
        MetacatUI.appModel.set("headerType", "default");

        //Render the basic structure of the page and table of contents
        this.$el.html(
          this.template({
            activeSection: this.activeSection,
            visibleSection: this.visibleSection,
          }),
        );
        this.$container = this.$(".metadata-container");

        //Render all the EML sections when the model is synced
        this.renderAllSections();
        if (!this.model.get("synced"))
          this.listenToOnce(this.model, "sync", this.renderAllSections);

        //Listen to updates on the data package collections
        _.each(
          this.model.get("collections"),
          function (dataPackage) {
            if (dataPackage.type != "DataPackage") return;

            // When the data package has been saved, render the EML again.
            // This is needed because the EML model validate & serialize functions may
            // automatically make changes, such as adding a contact and creator
            // if none is supplied by the user.
            this.listenTo(
              dataPackage.packageModel,
              "successSaving",
              this.renderAllSections,
            );
          },
          this,
        );

        return this;
      },

      renderAllSections: function () {
        this.renderOverview();
        this.renderPeople();
        this.renderDates();
        this.renderLocations();
        this.renderTaxa();
        this.renderMethods();
        this.renderProject();
        this.renderSharing();

        //Scroll to the active section
        if (this.activeSection != "overview") {
          MetacatUI.appView.scrollTo(this.$(".section." + this.activeSection));
        }

        //When scrolling through the metadata, highlight the side navigation
        var view = this;
        $(document).scroll(function () {
          view.highlightTOC.call(view);
        });
      },

      /*
       * Renders the Overview section of the page
       */
      renderOverview: function () {
        //Get the overall view mode
        var edit = this.edit;

        var view = this;

        //Append the empty layout
        var overviewEl = this.$container.find(".overview");
        $(overviewEl).html(this.overviewTemplate());

        //Title
        this.renderTitle();
        this.listenTo(this.model, "change:title", this.renderTitle);

        //Data Sensitivity
        this.renderDataSensitivity();

        //Abstract
        _.each(
          this.model.get("abstract"),
          function (abs) {
            var abstractEl = this.createEMLText(abs, edit, "abstract");

            //Add the abstract element to the view
            $(overviewEl).find(".abstract").append(abstractEl);
          },
          this,
        );

        if (!this.model.get("abstract").length) {
          var abstractEl = this.createEMLText(null, edit, "abstract");

          //Add the abstract element to the view
          $(overviewEl).find(".abstract").append(abstractEl);
        }

        //Keywords
        //Iterate over each keyword and add a text input for the keyword value and a dropdown menu for the thesaurus
        _.each(
          this.model.get("keywordSets"),
          function (keywordSetModel) {
            _.each(
              keywordSetModel.get("keywords"),
              function (keyword) {
                this.addKeyword(keyword, keywordSetModel.get("thesaurus"));
              },
              this,
            );
          },
          this,
        );

        //Add a new keyword row
        this.addKeyword();

        //Alternate Ids
        var altIdsEls = this.createBasicTextFields(
          "alternateIdentifier",
          "Add a new alternate identifier",
        );
        $(overviewEl).find(".altids").append(altIdsEls);

        //Usage
        //Find the model value that matches a radio button and check it
        // Note the replace() call removing newlines and replacing them with a single space
        // character. This is a temporary hack to fix https://github.com/NCEAS/metacatui/issues/128
        if (this.model.get("intellectualRights"))
          this.$(
            ".checkbox .usage[value='" +
              this.model.get("intellectualRights").replace(/\r?\n|\r/g, " ") +
              "']",
          ).prop("checked", true);

        //Funding
        this.renderFunding();

        // pubDate
        // BDM: This isn't a createBasicText call because that helper
        // assumes multiple values for the category
        // TODO: Consider a re-factor of createBasicText
        var pubDateInput = $(overviewEl)
          .find("input.pubDate")
          .val(this.model.get("pubDate"));

        //Initialize all the tooltips
        this.$(".tooltip-this").tooltip();
      },

      renderTitle: function () {
        var titleEl = this.createBasicTextFields(
          "title",
          "Example: Greater Yellowstone Rivers from 1:126,700 U.S. Forest Service Visitor Maps (1961-1983)",
          false,
        );
        this.$container
          .find(".overview")
          .find(".title-container")
          .html(titleEl);
      },

      /**
       * Renders the Data Sensitivity section of the Editor using the data-sensitivity.html template.
       * @fires EML211View#editorInputsAdded
       */
      renderDataSensitivity: function () {
        try {
          //If Data Sensitivity questions are disabled in the AppConfig, exit before rendering
          if (!MetacatUI.appModel.get("enableDataSensitivityInEditor")) {
            return;
          }

          var container = this.$(this.dataSensitivityContainerSelector),
            view = this;

          if (!container.length) {
            container = $(`<div id="data-sensitivity-container"></div>`);
            this.$(".section.overview").append(container);
          }

          require([
            "text!../img/icons/datatags/check-tag.svg",
            "text!../img/icons/datatags/alert-tag.svg",
          ], function (checkTagIcon, alertTagIcon) {
            container.html(
              view.dataSensitivityTemplate({
                checkTagIcon: checkTagIcon,
                alertTagIcon: alertTagIcon,
              }),
            );

            //Initialize all the tooltips
            view.$(".tooltip-this").tooltip();

            //Check the radio button that is already selected, per the EML
            let annotations = view.model.getDataSensitivity();

            if (
              annotations &&
              annotations.length &&
              typeof annotations[0].get == "function"
            ) {
              let annotationValue = annotations[0].get("valueURI");
              container
                .find("[value='" + annotationValue + "']")
                .prop("checked", true);
            }

            //Trigger the editorInputsAdded event which will let other parts of the app,
            // such as the EditorView, know that new inputs are on the page
            view.trigger("editorInputsAdded");
          });
        } catch (e) {
          console.error("Could not render the Data Sensitivity section: ", e);
        }
      },

      /*
       * Renders the People section of the page
       */
      renderPeople: function () {
        var view = this,
          model = view.model;

        this.peopleSection = this.$(".section[data-section='people']");

        // Empty the people section in case we are re-rendering people
        // Insert the people template
        this.peopleSection.html(this.peopleTemplate());

        // Create a dropdown menu for adding new person types
        this.renderPeopleDropdown();

        EMLParty.prototype.partyTypes.forEach(function (partyType) {
          // Make sure that there are no container elements saved
          // in the partyType array, since we may need to re-create the
          // containers the hold the rendered EMLParty information.
          partyType.containerEl = null;

          // Any party type that is listed as a role in EMLParty "roleOptions" is saved
          // in the EML model as an associated party. The isAssociatedParty property
          // is used for other parts of the EML211View.
          if (
            new EMLParty().get("roleOptions").includes(partyType.dataCategory)
          ) {
            partyType.isAssociatedParty = true;
          } else {
            partyType.isAssociatedParty = false;
          }

          // Get the array of party members for the given partyType from the EML model
          var parties = this.model.getPartiesByType(partyType.dataCategory);

          // If no parties exist for the given party type, but one is required,
          // (e.g. for contact and creator), then create one from the user's information.
          if (!parties?.length && partyType.createFromUser) {
            var newParty = new EMLParty({
              type: partyType.isAssociatedParty
                ? "associatedParty"
                : partyType.dataCategory,
              roles: partyType.isAssociatedParty
                ? [partyType.dataCategory]
                : [],
              parentModel: model,
            });
            newParty.createFromUser();
            model.addParty(newParty);
            parties = [newParty];
          }

          // Render each party of this type
          if (parties.length) {
            parties.forEach(function (party) {
              this.renderPerson(party, partyType.dataCategory);
            }, this);
          }
          //If there are no parties of this type but they are required, then render a new empty person for this type
          else if (
            MetacatUI.appModel.get("emlEditorRequiredFields")[
              partyType.dataCategory
            ]
          ) {
            this.renderPerson(null, partyType.dataCategory);
          }
        }, this);

        // Render a new blank party form at the very bottom of the people section.
        // This allows the user to start entering details for a person before they've
        // selected the party type.
        this.renderPerson(null, "new");

        // Initialize the tooltips
        this.$("input.tooltip-this").tooltip({
          placement: "top",
          title: function () {
            return $(this).attr("data-title") || $(this).attr("placeholder");
          },
          delay: 1000,
        });
      },

      /**
       * Creates and renders the dropdown at the bottom of the people section
       * that allows the user to create a new party type category. The dropdown
       * menu is saved to the view as view.partyMenu.
       * @since 2.15.0
       */
      renderPeopleDropdown: function () {
        try {
          var helpText =
              "Optionally add other contributors, collaborators, and maintainers of this dataset.",
            placeholderText = "Choose new person or organization role ...";

          this.partyMenu = $(document.createElement("select"))
            .attr("id", "new-party-menu")
            .addClass("header-dropdown");

          //Add the first option to the menu, which works as a label
          this.partyMenu.append(
            $(document.createElement("option")).text(placeholderText),
          );

          //Add some help text for the menu
          this.partyMenu.attr("title", helpText);

          //Add a container element for the new party
          this.newPartyContainer = $(document.createElement("div"))
            .attr("data-attribute", "new")
            .addClass("row-striped");

          //For each party type, add it to the menu as an option
          EMLParty.prototype.partyTypes.forEach(function (partyType) {
            $(this.partyMenu).append(
              $(document.createElement("option"))
                .val(partyType.dataCategory)
                .text(partyType.label),
            );
          }, this);

          // Add the menu and new party element to the page
          this.peopleSection.append(this.partyMenu, this.newPartyContainer);
        } catch (error) {
          console.log(
            "Error creating the menu for adding new party categories, error message: " +
              error,
          );
        }
      },

      /**
       * Render the information provided for a given EML party in the party section.
       *
       * @param  {EMLParty} emlParty - the EMLParty model to render. If set to null, a new EML party will be created for the given party type.
       * @param  {string} partyType - The party type for which to render a new EML party. E.g. "creator", "coPrincipalInvestigator", etc.
       */
      renderPerson: function (emlParty, partyType) {
        // Whether or not this is a new emlParty model
        var isNew = false;

        //If no model is given, create a new model
        if (!emlParty) {
          var emlParty = new EMLParty({
            parentModel: this.model,
          });

          //Mark this model as new
          isNew = true;

          // Find the party type or role based on the type given.
          // Update the model.
          if (partyType) {
            var partyTypeProperties = _.findWhere(
              EMLParty.prototype.partyTypes,
              { dataCategory: partyType },
            );
            if (partyTypeProperties) {
              if (partyTypeProperties.isAssociatedParty) {
                var newRoles = _.clone(emlParty.get("roles"));
                newRoles.push(partyType);
                emlParty.set("roles", newRoles);
              } else {
                emlParty.set("type", partyType);
              }
            }
          }
        } else {
          //Get the party type, if it was not sent as a parameter
          if (!partyType || !partyType.length) {
            var partyType = emlParty.get("type");
            if (
              partyType == "associatedParty" ||
              !partyType ||
              !partyType.length
            ) {
              partyType = emlParty.get("roles");
            }
          }
        }

        // partyType is a string when if it's a 'type' and an array if it's 'roles'
        // If it's a string, convert to an array for the subsequent _.each() function
        if (typeof partyType == "string") {
          partyType = [partyType];
        }

        _.each(
          partyType,
          function (partyType) {
            // The container for this specific party type
            var container = null;

            if (partyType === "new") {
              container = this.newPartyContainer;
            } else {
              var partyTypeProperties = _.findWhere(
                EMLParty.prototype.partyTypes,
                { dataCategory: partyType },
              );
              if (partyTypeProperties) {
                container = partyTypeProperties.containerEl;
              }
            }

            //See if this view already exists
            if (!isNew && container && container.length && emlParty) {
              var partyView;

              _.each(container.find(".eml-party"), function (singlePartyEl) {
                //If this EMLPartyView element is for the current model, then get the View
                if ($(singlePartyEl).data("model") == emlParty)
                  partyView = $(singlePartyEl).data("view");
              });

              //If a partyView was found, just rerender it and exit
              if (partyView) {
                partyView.render();
                return;
              }
            }

            // If this person type is not on the page yet, add it.
            // For now, this only adds the first role if person has multiple roles.
            if (!container || !container.length) {
              container = this.addNewPersonType(partyType);
            }

            //If there still is no partyView found, create a new one
            var partyView = new EMLPartyView({
              model: emlParty,
              edit: this.edit,
              isNew: isNew,
            });

            if (isNew) {
              container.append(partyView.render().el);
            } else {
              if (container.find(".new").length)
                container.find(".new").before(partyView.render().el);
              else container.append(partyView.render().el);
            }
          },
          this,
        );
      },

      /*
       * This function reacts to the user typing a new person in the person section (an EMLPartyView)
       */
      handlePersonTyping: function (e) {
        var container = $(e.target).parents(".eml-party"),
          emlParty = container.length ? container.data("model") : null,
          partyType =
            container.length && emlParty
              ? emlParty.get("roles")[0] || emlParty.get("type")
              : null;
        (partyTypeProperties = _.findWhere(EMLParty.prototype.partyTypes, {
          dataCategory: partyType,
        })),
          (numPartyForms = this.$(
            "[data-attribute='" + partyType + "'] .eml-party",
          ).length),
          (numNewPartyForms = this.$(
            "[data-attribute='" + partyType + "'] .eml-party.new",
          ).length);

        // If there is already a form to enter a new party for this party type, don't add another one
        if (numNewPartyForms > 1) return;

        // If there is a limit to how many party types can be added for this type,
        // don't add more forms than is allowed
        if (partyTypeProperties && partyTypeProperties.limit) {
          return;
        }

        // Render a form to enter information for a new person
        this.renderPerson(null, partyType);
      },

      /*
       * This function is called when someone chooses a new person type from the dropdown list
       */
      chooseNewPersonType: function (e) {
        var partyType = $(e.target).val();

        if (!partyType) return;

        //Get the form and model
        var partyForm = this.newPartyContainer,
          partyModel = partyForm.find(".eml-party").data("model").clone(),
          partyTypeProperties = _.findWhere(EMLParty.prototype.partyTypes, {
            dataCategory: partyType,
          });

        // Remove this type from the dropdown menu
        this.partyMenu.find("[value='" + partyType + "']").remove();

        if (!partyModel.isEmpty()) {
          //Update the model
          if (partyTypeProperties.isAssociatedParty) {
            var newRoles = _.clone(partyModel.get("roles"));
            newRoles.push(partyType);
            partyModel.set("roles", newRoles);
          } else {
            partyModel.set("type", partyType);
          }
          if (partyModel.isValid()) {
            partyModel.mergeIntoParent();
            // Add the person of that type (a section will be added if required)
            this.renderPerson(partyModel, partyType);
            // Clear and re-render the new person form
            partyForm.empty();
            this.renderPerson(null, "new");
          } else {
            partyForm.find(".eml-party").data("view").showValidation();
          }
        } else {
          this.addNewPersonType(partyType);
        }
      },

      /*
       * addNewPersonType - Adds a header and container to the People section for the given party type/role,
       * @return {JQuery} Returns the HTML element that contains each rendered EML Party for the given party type.
       */
      addNewPersonType: function (partyType) {
        if (!partyType) return;

        var partyTypeProperties = _.findWhere(EMLParty.prototype.partyTypes, {
          dataCategory: partyType,
        });

        if (!partyTypeProperties) {
          return;
        }

        // If there is already a view for this person type, don't re-add it.
        if (partyTypeProperties.containerEl) {
          return;
        }

        // Container element to hold all parties of this type
        var outerContainer = $(document.createElement("div")).addClass(
          "party-type-container",
        );

        // Add a new header for the party type,
        // plus an icon and spot for validation messages
        var header = $(document.createElement("h4"))
          .text(partyTypeProperties.label)
          .append(
            "<i class='required-icon hidden' data-category='" +
              partyType +
              "'></i>",
          );

        outerContainer.append(header);

        // If there is a description, add that to the container as well
        if (partyTypeProperties.description) {
          outerContainer.append(
            '<p class="subtle">' + partyTypeProperties.description + "</p>",
          );
        }

        //Remove this type from the dropdown menu
        this.partyMenu.find("[value='" + partyType + "']").remove();

        //Add the new party container
        partyTypeProperties.containerEl = $(document.createElement("div"))
          .attr("data-attribute", partyType)
          .attr("data-category", partyType)
          .addClass("row-striped");
        let notification = document.createElement("p");
        notification.className = "notification";
        notification.setAttribute("data-category", partyType);
        partyTypeProperties.containerEl.append(notification);
        outerContainer.append(partyTypeProperties.containerEl);

        // Add in the new party type container just before the dropdown
        this.partyMenu.before(outerContainer);

        // Add a blank form to the new person type section, unless the max number
        // for this party type has already been reached (e.g. when a new person type
        // is added after copying from another type)
        if (
          typeof partyTypeProperties.limit !== "number" ||
          this.model.getPartiesByType(partyType).length <
            partyTypeProperties.limit
        ) {
          this.renderPerson(null, partyType);
        }

        return partyTypeProperties.containerEl;
      },

      /*
       * showCopyPersonMenu: Displays a modal window to the user with a list of roles that they can
       * copy this person to
       */
      showCopyPersonMenu: function (e) {
        //Get the EMLParty to copy
        var partyToCopy = $(e.target).parents(".eml-party").data("model"),
          menu = this.$("#copy-person-menu");

        //Check if the modal window menu has been created already
        if (!menu.length) {
          //Create the modal window menu from the template
          menu = $(this.copyPersonMenuTemplate());

          //Add to the DOM
          this.$el.append(menu);

          //Initialize the modal
          menu.modal();
        } else {
          //Reset all the checkboxes
          menu.find("input:checked").prop("checked", false);
          menu
            .find(".disabled")
            .prop("disabled", false)
            .removeClass("disabled")
            .parent(".checkbox")
            .attr("title", "");
        }

        //Disable the roles this person is already in
        var currentRoles = partyToCopy.get("roles");
        if (!currentRoles || !currentRoles.length) {
          currentRoles = partyToCopy.get("type");
        }
        // "type" is a string and "roles" is an array.
        // so that we can use _.each() on both, convert "type" to an array
        if (typeof currentRoles === "string") {
          currentRoles = [currentRoles];
        }

        _.each(
          currentRoles,
          function (currentRole) {
            var partyTypeProperties = _.findWhere(
                EMLParty.prototype.partyTypes,
                { dataCategory: currentRole },
              ),
              label = partyTypeProperties ? partyTypeProperties.label : "";

            menu
              .find("input[value='" + currentRole + "']")
              .prop("disabled", "disabled")
              .addClass("disabled")
              .parent(".checkbox")
              .attr(
                "title",
                "This person is already in the " + label + " list.",
              );
          },
          this,
        );

        // If the maximum number of parties has already been for this party type,
        // then don't allow adding more.

        var partiesWithLimits = _.filter(
          EMLParty.prototype.partyTypes,
          function (partyType) {
            return typeof partyType.limit === "number";
          },
        );

        partiesWithLimits.forEach(function (partyType) {
          // See how many parties already exist for this type
          var existingParties = this.model.getPartiesByType(
            partyType.dataCategory,
          );

          if (
            existingParties &&
            existingParties.length &&
            existingParties.length >= partyType.limit
          ) {
            var names = _.map(existingParties, function (partyModel) {
              var name = partyModel.getName();
              if (name) {
                return name;
              } else {
                return "Someone";
              }
            });
            var sep = names.length === 2 ? " and " : ", ",
              beVerbNames = names.length > 1 ? "are" : "is",
              beVerbLimit = partyType.limit > 1 ? "are" : "is",
              title =
                names.join(sep) +
                " " +
                beVerbNames +
                " already listed as " +
                partyType.dataCategory +
                ". (Only " +
                partyType.limit +
                " " +
                beVerbLimit +
                " is allowed.)";

            menu
              .find("input[value='" + partyType.dataCategory + "']")
              .prop("disabled", "disabled")
              .addClass("disabled")
              .parent(".checkbox")
              .attr("title", title);
          }
        }, this);

        //Attach the EMLParty to the menu DOMs
        menu.data({
          EMLParty: partyToCopy,
        });

        //Show the modal window menu now
        menu.modal("show");
      },

      /*
       * copyPerson: Gets the selected checkboxes from the copy person menu and copies the EMLParty
       * to those new roles
       */
      copyPerson: function () {
        //Get all the checked boxes
        var checkedBoxes = this.$("#copy-person-menu input:checked"),
          //Get the EMLParty to copy
          partyToCopy = this.$("#copy-person-menu").data("EMLParty");

        //For each selected role,
        _.each(
          checkedBoxes,
          function (checkedBox) {
            //Get the roles
            var role = $(checkedBox).val(),
              partyTypeProperties = _.findWhere(EMLParty.prototype.partyTypes, {
                dataCategory: role,
              });

            //Create a new EMLParty model
            var newPerson = new EMLParty();
            // Copy the attributes from the original person
            // and set it on the new person
            newPerson.set(partyToCopy.copyValues());

            //If the new role is an associated party ...
            if (partyTypeProperties.isAssociatedParty) {
              newPerson.set("type", "associatedParty");
              newPerson.set("roles", [role]);
            }
            //If the new role is not an associated party...
            else {
              newPerson.set("type", role);
              newPerson.set("roles", newPerson.defaults().role);
            }

            //Add this new EMLParty to the EML model
            this.model.addParty(newPerson);

            // Add a view for the copied person
            this.renderPerson(newPerson);
          },
          this,
        );

        //If there was at least one copy created, then trigger the change event
        if (checkedBoxes.length) {
          this.model.trickleUpChange();
        }
      },

      removePerson: function (e) {
        e.preventDefault();

        //Get the party view el, view, and model
        var partyEl = $(e.target).parents(".eml-party"),
          partyView = partyEl.data("view"),
          partyToRemove = partyEl.data("model");

        //If there is no model found, we have nothing to do, so exit
        if (!partyToRemove) return false;

        //Call removeParty on the EML211 model to remove this EMLParty
        this.model.removeParty(partyToRemove);

        //Let the EMLPartyView remove itself
        partyView.remove();
      },

      /**
       * Attempt to move the current person (Party) one index backward (up).
       *
       * @param {EventHandler} e: The click event handler
       */
      movePersonUp: function (e) {
        e.preventDefault();

        // Get the party view el, view, and model
        var partyEl = $(e.target).parents(".eml-party"),
          model = partyEl.data("model"),
          next = $(partyEl).prev().not(".new");

        if (next.length === 0) {
          return;
        }

        // Remove current view, create and insert a new one for the model
        $(partyEl).remove();

        var newView = new EMLPartyView({
          model: model,
          edit: this.edit,
        });

        $(next).before(newView.render().el);

        // Move the party down within the model too
        this.model.movePartyUp(model);
        this.model.trickleUpChange();
      },

      /**
       * Attempt to move the current person (Party) one index forward (down).
       *
       * @param {EventHandler} e: The click event handler
       */
      movePersonDown: function (e) {
        e.preventDefault();

        // Get the party view el, view, and model
        var partyEl = $(e.target).parents(".eml-party"),
          model = partyEl.data("model"),
          next = $(partyEl).next().not(".new");

        if (next.length === 0) {
          return;
        }

        // Remove current view, create and insert a new one for the model
        $(partyEl).remove();

        var newView = new EMLPartyView({
          model: model,
          edit: this.edit,
        });

        $(next).after(newView.render().el);

        // Move the party down within the model too
        this.model.movePartyDown(model);
        this.model.trickleUpChange();
      },

      /*
       * Renders the Dates section of the page
       */
      renderDates: function () {
        //Add a header
        this.$(".section.dates").html(
          $(document.createElement("h2")).text("Dates"),
        );

        _.each(
          this.model.get("temporalCoverage"),
          function (model) {
            var tempCovView = new EMLTempCoverageView({
              model: model,
              isNew: false,
              edit: this.edit,
            });

            tempCovView.render();

            this.$(".section.dates").append(tempCovView.el);
          },
          this,
        );

        if (!this.model.get("temporalCoverage").length) {
          var tempCovView = new EMLTempCoverageView({
            isNew: true,
            edit: this.edit,
            model: new EMLTemporalCoverage({ parentModel: this.model }),
          });

          tempCovView.render();

          this.$(".section.dates").append(tempCovView.el);
        }
      },

      /*
       * Renders the Locations section of the page
       */
      renderLocations: function () {
        var locationsSection = this.$(".section.locations");

        //Add the Locations header
        locationsSection.html(this.locationsTemplate());
        var locationsTable = locationsSection.find(".locations-table");

        //Render an EMLGeoCoverage view for each EMLGeoCoverage model
        _.each(
          this.model.get("geoCoverage"),
          function (geo, i) {
            //Create an EMLGeoCoverageView
            var geoView = new EMLGeoCoverageView({
              model: geo,
              edit: this.edit,
            });

            //Render the view
            geoView.render();

            geoView.$el
              .find(".remove-container")
              .append(
                this.createRemoveButton(
                  null,
                  "geoCoverage",
                  ".eml-geocoverage",
                  ".locations-table",
                ),
              );

            //Add the locations section to the page
            locationsTable.append(geoView.el);

            //Listen to validation events
            this.listenTo(geo, "valid", this.updateLocationsError);

            //Save it in our subviews array
            this.subviews.push(geoView);
          },
          this,
        );

        //Now add one empty row to enter a new geo coverage
        if (this.edit) {
          var newGeoModel = new EMLGeoCoverage({
              parentModel: this.model,
              isNew: true,
            }),
            newGeoView = new EMLGeoCoverageView({
              edit: true,
              model: newGeoModel,
              isNew: true,
            });
          locationsTable.append(newGeoView.render().el);
          newGeoView.$el
            .find(".remove-container")
            .append(
              this.createRemoveButton(
                null,
                "geoCoverage",
                ".eml-geocoverage",
                ".locations-table",
              ),
            );

          //Listen to validation events
          this.listenTo(newGeoModel, "valid", this.updateLocationsError);
        }
      },

      /*
       * Renders the Taxa section of the page
       */
      renderTaxa: function () {
        const view = this;

        const taxaSectionEl = this.$(".section.taxa");
        if (!taxaSectionEl) return;

        taxaSectionEl.html($(document.createElement("h2")).text("Taxa"));

        var taxonomy = this.model.get("taxonCoverage");

        // Render a set of tables for each taxonomicCoverage
        if (
          typeof taxonomy !== "undefined" &&
          Array.isArray(taxonomy) &&
          taxonomy.length
        ) {
          for (var i = 0; i < taxonomy.length; i++) {
            taxaSectionEl.append(this.createTaxonomicCoverage(taxonomy[i]));
          }
        } else {
          // Create a new one
          var taxonCov = new EMLTaxonCoverage({
            parentModel: this.model,
          });

          this.model.set("taxonCoverage", [taxonCov], { silent: true });

          taxaSectionEl.append(this.createTaxonomicCoverage(taxonCov));
        }

        // updating the indexes of taxa-tables before rendering the information on page(view).
        var taxaNums = this.$(".editor-header-index");
        for (var i = 0; i < taxaNums.length; i++) {
          $(taxaNums[i]).text(i + 1);
        }

        // Insert the quick-add taxon options, if any are configured for this
        // theme. See {@link AppModel#quickAddTaxa}
        view.renderTaxaQuickAdd();

        // If duplicates are removed while saving, make sure to re-render the taxa
        view.model.get("taxonCoverage").forEach(function (taxonCov) {
          view.model.stopListening(taxonCov);
          view.model.listenTo(
            taxonCov,
            "duplicateClassificationsRemoved",
            function () {
              view.renderTaxa();
            },
          );
        }, view);
      },

      /*
       * Renders the Methods section of the page
       */
      renderMethods: function () {
        var methodsModel = this.model.get("methods");

        if (!methodsModel) {
          methodsModel = new EMLMethods({
            edit: this.edit,
            parentModel: this.model,
          });
        }

        this.$(".section.methods").html(
          new EMLMethodsView({
            model: methodsModel,
            edit: this.edit,
            parentEMLView: this,
          }).render().el,
        );
      },

      /*
       * Renders the Projcet section of the page
       */
      renderProject: function () {},

      /*
       * Renders the Sharing section of the page
       */
      renderSharing: function () {},

      /*
       * Renders the funding field of the EML
       */
      renderFunding: function () {
        //Funding
        var funding = this.model.get("project")
          ? this.model.get("project").get("funding")
          : [];

        //Clear the funding section
        $(".section.overview .funding").empty();

        //Create the funding input elements
        _.each(
          funding,
          function (fundingItem, i) {
            this.addFunding(fundingItem);
          },
          this,
        );

        //Add a blank funding input
        this.addFunding();
      },

      /*
       * Adds a single funding input row. Can either be called directly or used as an event callback
       */
      addFunding: function (argument) {
        if (this.edit) {
          if (typeof argument == "string") var value = argument;
          else if (!argument) var value = "";
          //Don't add another new funding input if there already is one
          else if (
            !value &&
            typeof argument == "object" &&
            !$(argument.target).is(".new")
          )
            return;
          else if (typeof argument == "object" && argument.target) {
            var event = argument;

            // Don't add a new funding row if the current one is empty
            if ($(event.target).val().trim() === "") return;
          }

          var fundingInput = $(document.createElement("input"))
              .attr("type", "text")
              .attr("data-category", "funding")
              .addClass("span12 funding hover-autocomplete-target")
              .attr(
                "placeholder",
                "Search for NSF awards by keyword or enter custom funding information",
              )
              .val(value),
            hiddenFundingInput = fundingInput
              .clone()
              .attr("type", "hidden")
              .val(value)
              .attr("id", "")
              .addClass("hidden"),
            loadingSpinner = $(document.createElement("i")).addClass(
              "icon icon-spinner input-icon icon-spin subtle hidden",
            );

          //Append all the elements to a container
          var containerEl = $(document.createElement("div"))
            .addClass("ui-autocomplete-container funding-row")
            .append(fundingInput, loadingSpinner, hiddenFundingInput);

          if (!value) {
            $(fundingInput).addClass("new");

            if (event) {
              $(event.target)
                .parents("div.funding-row")
                .append(
                  this.createRemoveButton(
                    "project",
                    "funding",
                    ".funding-row",
                    "div.funding-container",
                  ),
                );
              $(event.target).removeClass("new");
            }
          } else {
            // Add a remove button if this is a non-new funding element
            $(containerEl).append(
              this.createRemoveButton(
                "project",
                "funding",
                ".funding-row",
                "div.funding-container",
              ),
            );
          }

          var view = this;

          //Setup the autocomplete widget for the funding input
          fundingInput.autocomplete({
            source: function (request, response) {
              var beforeRequest = function () {
                loadingSpinner.show();
              };

              var afterRequest = function () {
                loadingSpinner.hide();
              };

              return MetacatUI.appLookupModel.getGrantAutocomplete(
                request,
                response,
                beforeRequest,
                afterRequest,
              );
            },
            select: function (e, ui) {
              e.preventDefault();

              var value =
                "NSF Award " + ui.item.value + " (" + ui.item.label + ")";
              hiddenFundingInput.val(value);
              fundingInput.val(value);

              $(".funding .ui-helper-hidden-accessible").hide();

              view.updateFunding(e);
            },
            position: {
              my: "left top",
              at: "left bottom",
              of: fundingInput,
              collision: "fit",
            },
            appendTo: containerEl,
            minLength: 3,
          });

          this.$(".funding-container").append(containerEl);
        }
      },

      previewFundingRemove: function (e) {
        $(e.target).parents(".funding-row").toggleClass("remove-preview");
      },

      handleFundingTyping: function (e) {
        var fundingInput = $(e.target);

        //If the funding value is at least one character
        if (fundingInput.val().length > 0) {
          //Get rid of the error styling in this row
          fundingInput.parent(".funding-row").children().removeClass("error");

          //If this was the only funding input with an error, we can safely remove the error message
          if (!this.$("input.funding.error").length)
            this.$("[data-category='funding'] .notification")
              .removeClass("error")
              .text("");
        }
      },

      addKeyword: function (keyword, thesaurus) {
        if (typeof keyword != "string" || !keyword) {
          var keyword = "";

          //Only show one new keyword row at a time
          if (
            this.$(".keyword.new").length == 1 &&
            !this.$(".keyword.new").val()
          )
            return;
          else if (this.$(".keyword.new").length > 1) return;
        }

        //Create the keyword row HTML
        var row = $(document.createElement("div")).addClass(
            "row-fluid keyword-row",
          ),
          keywordInput = $(document.createElement("input"))
            .attr("type", "text")
            .addClass("keyword span10")
            .attr("placeholder", "Add one new keyword"),
          thesInput = $(document.createElement("select")).addClass(
            "thesaurus span2",
          ),
          thesOptionExists = false,
          removeButton;

        // Piece together the inputs
        row.append(keywordInput, thesInput);

        //Create the thesaurus options dropdown menu
        _.each(MetacatUI.appModel.get("emlKeywordThesauri"), function (option) {
          var optionEl = $(document.createElement("option"))
            .val(option.thesaurus)
            .text(option.label);
          thesInput.append(optionEl);

          if (option.thesaurus == thesaurus) {
            optionEl.prop("selected", true);
            thesOptionExists = true;
          }
        });

        //Add a "None" option, which is always in the dropdown
        thesInput.prepend(
          $(document.createElement("option")).val("None").text("None"),
        );

        if (thesaurus == "None" || !thesaurus) {
          thesInput.val("None");
        }
        //If this keyword is from a custom thesaurus that is NOT configured in this App, AND
        // there is an option with the same label, then remove the option so it doesn't look like a duplicate.
        else if (
          !thesOptionExists &&
          _.findWhere(MetacatUI.appModel.get("emlKeywordThesauri"), {
            label: thesaurus,
          })
        ) {
          var duplicateOptions = thesInput.find(
            "option:contains(" + thesaurus + ")",
          );
          duplicateOptions.each(function (i, option) {
            if ($(option).text() == thesaurus && !$(option).prop("selected")) {
              $(option).remove();
            }
          });
        }
        //If this keyword is from a custom thesaurus that is NOT configured in this App, then show it as a custom option
        else if (!thesOptionExists) {
          thesInput.append(
            $(document.createElement("option"))
              .val(thesaurus)
              .text(thesaurus)
              .prop("selected", true),
          );
        }

        if (!keyword) row.addClass("new");
        else {
          //Set the keyword value on the text input
          keywordInput.val(keyword);

          // Add a remove button unless this is the .new keyword
          row.append(
            this.createRemoveButton(
              null,
              "keywordSets",
              "div.keyword-row",
              "div.keywords",
            ),
          );
        }

        this.$(".keywords").append(row);
      },

      addNewKeyword: function (e) {
        if ($(e.target).val().trim() === "") return;

        $(e.target).parents(".keyword-row").first().removeClass("new");

        // Add in a remove button
        $(e.target)
          .parents(".keyword-row")
          .append(
            this.createRemoveButton(
              null,
              "keywordSets",
              "div.keyword-row",
              "div.keywords",
            ),
          );

        var row = $(document.createElement("div"))
            .addClass("row-fluid keyword-row new")
            .data({ model: new EMLKeywordSet() }),
          keywordInput = $(document.createElement("input"))
            .attr("type", "text")
            .addClass("keyword span10"),
          thesInput = $(document.createElement("select")).addClass(
            "thesaurus span2",
          );

        row.append(keywordInput, thesInput);

        //Create the thesaurus options dropdown menu
        _.each(MetacatUI.appModel.get("emlKeywordThesauri"), function (option) {
          thesInput.append(
            $(document.createElement("option"))
              .val(option.thesaurus)
              .text(option.label),
          );
        });

        //Add a "None" option, which is always in the dropdown
        thesInput.prepend(
          $(document.createElement("option"))
            .val("None")
            .text("None")
            .prop("selected", true),
        );

        this.$(".keywords").append(row);
      },

      previewKeywordRemove: function (e) {
        var row = $(e.target)
          .parents(".keyword-row")
          .toggleClass("remove-preview");
      },

      /*
       * Update the funding info when the form is changed
       */
      updateFunding: function (e) {
        if (!e) return;

        var row = $(e.target).parent(".funding-row").first(),
          rowNum = this.$(".funding-row").index(row),
          input = $(row).find("input"),
          isNew = $(row).is(".new");

        var newValue = isNew
          ? $(e.target).siblings("input.hidden").val()
          : $(e.target).val();

        newValue = this.model.cleanXMLText(newValue);

        if (typeof newValue == "string") {
          newValue = newValue.trim();
        }

        //If there is no project model
        if (!this.model.get("project")) {
          var model = new EMLProject({ parentModel: this.model });
          this.model.set("project", model);
        } else var model = this.model.get("project");

        var currentFundingValues = model.get("funding");

        //If the new value is an empty string, then remove that index in the array
        if (typeof newValue == "string" && newValue.trim().length == 0) {
          currentFundingValues = currentFundingValues.splice(rowNum, 1);
        } else {
          currentFundingValues[rowNum] = newValue;
        }

        if (isNew && newValue != "") {
          $(row).removeClass("new");

          // Add in a remove button
          $(e.target)
            .parent()
            .append(
              this.createRemoveButton(
                "project",
                "funding",
                ".funding-row",
                "div.funding-container",
              ),
            );

          this.addFunding();
        }

        this.model.trickleUpChange();
      },

      //TODO: Comma and semi-colon separate keywords
      updateKeywords: function (e) {
        var keywordSets = this.model.get("keywordSets"),
          newKeywordSets = [];

        //Get all the keywords in the view
        _.each(
          this.$(".keyword-row"),
          function (thisRow) {
            var thesaurus = this.model.cleanXMLText(
                $(thisRow).find("select").val(),
              ),
              keyword = this.model.cleanXMLText($(thisRow).find("input").val());

            if (!keyword) return;

            var keywordSet = _.find(newKeywordSets, function (keywordSet) {
              return keywordSet.get("thesaurus") == thesaurus;
            });

            if (typeof keywordSet != "undefined") {
              keywordSet.get("keywords").push(keyword);
            } else {
              newKeywordSets.push(
                new EMLKeywordSet({
                  parentModel: this.model,
                  keywords: [keyword],
                  thesaurus: thesaurus,
                }),
              );
            }
          },
          this,
        );

        //Update the EML model
        this.model.set("keywordSets", newKeywordSets);

        if (e) {
          var row = $(e.target).parent(".keyword-row");

          //Add a new row when the user has added a new keyword just now
          if (row.is(".new")) {
            row.removeClass("new");
            row.append(
              this.createRemoveButton(
                null,
                "keywordSets",
                "div.keyword-row",
                "div.keywords",
              ),
            );
            this.addKeyword();
          }
        }
      },

      /*
       * Update the EML Geo Coverage models and views when the user interacts with the locations section
       */
      updateLocations: function (e) {
        if (!e) return;

        e.preventDefault();

        var viewEl = $(e.target).parents(".eml-geocoverage"),
          geoCovModel = viewEl.data("model");

        //If the EMLGeoCoverage is new
        if (viewEl.is(".new")) {
          if (this.$(".eml-geocoverage.new").length > 1) return;

          //Render the new geo coverage view
          var newGeo = new EMLGeoCoverageView({
            edit: this.edit,
            model: new EMLGeoCoverage({ parentModel: this.model, isNew: true }),
            isNew: true,
          });
          this.$(".locations-table").append(newGeo.render().el);
          newGeo.$el
            .find(".remove-container")
            .append(
              this.createRemoveButton(
                null,
                "geoCoverage",
                ".eml-geocoverage",
                ".locations-table",
              ),
            );

          //Unmark the view as new
          viewEl.data("view").notNew();

          //Get the EMLGeoCoverage model attached to this EMlGeoCoverageView
          var geoModel = viewEl.data("model"),
            //Get the current EMLGeoCoverage models set on the parent EML model
            currentCoverages = this.model.get("geoCoverage");

          //Add this new geo coverage model to the parent EML model
          if (Array.isArray(currentCoverages)) {
            if (!_.contains(currentCoverages, geoModel)) {
              currentCoverages.push(geoModel);
              this.model.trigger("change:geoCoverage");
            }
          } else {
            currentCoverages = [currentCoverages, geoModel];
            this.model.set("geoCoverage", currentCoverages);
          }
        }
      },

      /*
       * If all the EMLGeoCoverage models are valid, remove the error messages for the Locations section
       */
      updateLocationsError: function () {
        var allValid = _.every(
          this.model.get("geoCoverage"),
          function (geoCoverageModel) {
            return geoCoverageModel.isValid();
          },
        );

        if (allValid) {
          this.$(".side-nav-item.error[data-category='geoCoverage']")
            .removeClass("error")
            .find(".icon.error")
            .hide();
          this.$(".section[data-section='locations'] .notification.error")
            .removeClass("error")
            .text("");
        }
      },

      /*
       * Creates the text elements
       */
      createEMLText: function (textModel, edit, category) {
        if (!textModel && edit) {
          return $(document.createElement("textarea"))
            .attr("data-category", category)
            .addClass("xlarge text");
        } else if (!textModel && !edit) {
          return $(document.createElement("div")).attr(
            "data-category",
            category,
          );
        }

        //Get the EMLText from the EML model
        var finishedEl;

        //Get the text attribute from the EMLText model
        var paragraphs = textModel.get("text"),
          paragraphsString = "";

        //If the text should be editable,
        if (edit) {
          //Format the paragraphs with carriage returns between paragraphs
          paragraphsString = paragraphs.join(String.fromCharCode(13));

          //Create the textarea element
          finishedEl = $(document.createElement("textarea"))
            .addClass("xlarge text")
            .attr("data-category", category)
            .html(paragraphsString);
        } else {
          //Format the paragraphs with HTML
          _.each(paragraphs, function (p) {
            paragraphsString += "<p>" + p + "</p>";
          });

          //Create a div
          finishedEl = $(document.createElement("div"))
            .attr("data-category", category)
            .append(paragraphsString);
        }

        $(finishedEl).data({ model: textModel });

        //Return the finished DOM element
        return finishedEl;
      },

      /*
       * Updates a basic text field in the EML after the user changes the value
       */
      updateText: function (e) {
        if (!e) return false;

        var category = $(e.target).attr("data-category"),
          currentValue = this.model.get(category),
          textModel = $(e.target).data("model"),
          value = this.model.cleanXMLText($(e.target).val());

        //We can't update anything without a category
        if (!category) return false;

        //Get the list of paragraphs - checking for carriage returns and line feeds
        var paragraphsCR = value.split(String.fromCharCode(13));
        var paragraphsLF = value.split(String.fromCharCode(10));

        //Use the paragraph list that has the most
        var paragraphs =
          paragraphsCR > paragraphsLF ? paragraphsCR : paragraphsLF;

        //If this category isn't set yet, then create a new EMLText model
        if (!textModel) {
          //Get the current value for this category and create a new EMLText model
          var newTextModel = new EMLText({
            text: paragraphs,
            parentModel: this.model,
          });

          // Save the new model onto the underlying DOM node
          $(e.target).data({ model: newTextModel });

          //Set the new EMLText model on the EML model
          if (Array.isArray(currentValue)) {
            currentValue.push(newTextModel);
            this.model.trigger("change:" + category);
            this.model.trigger("change");
          } else {
            this.model.set(category, newTextModel);
          }
        }
        //Update the existing EMLText model
        else {
          //If there are no paragraphs or all the paragraphs are empty...
          if (
            !paragraphs.length ||
            _.every(paragraphs, function (p) {
              return p.trim() == "";
            })
          ) {
            //Remove this text model from the array of text models since it is empty
            var newValue = _.without(currentValue, textModel);
            this.model.set(category, newValue);
          } else {
            textModel.set("text", paragraphs);
            textModel.trigger("change:text");

            //Is this text model set on the EML model?
            if (
              Array.isArray(currentValue) &&
              !_.contains(currentValue, textModel)
            ) {
              //Push this text model into the array of EMLText models
              currentValue.push(textModel);
              this.model.trigger("change:" + category);
              this.model.trigger("change");
            }
          }
        }
      },

      /*
       * Creates and returns an array of basic text input field for editing
       */
      createBasicTextFields: function (category, placeholder) {
        var textContainer = $(document.createElement("div")).addClass(
            "text-container",
          ),
          modelValues = this.model.get(category),
          textRow; // Holds the DOM for each field

        //Format as an array
        if (!Array.isArray(modelValues) && modelValues)
          modelValues = [modelValues];

        //For each value in this category, create an HTML element with the value inserted
        _.each(
          modelValues,
          function (value, i, allModelValues) {
            if (this.edit) {
              var textRow = $(document.createElement("div")).addClass(
                  "basic-text-row",
                ),
                input = $(document.createElement("input"))
                  .attr("type", "text")
                  .attr("data-category", category)
                  .addClass("basic-text");
              textRow.append(input.clone().val(value));

              if (category != "title")
                textRow.append(
                  this.createRemoveButton(
                    null,
                    category,
                    "div.basic-text-row",
                    "div.text-container",
                  ),
                );

              textContainer.append(textRow);

              //At the end, append an empty input for the user to add a new one
              if (i + 1 == allModelValues.length && category != "title") {
                var newRow = $(
                  $(document.createElement("div")).addClass("basic-text-row"),
                );
                newRow.append(
                  input
                    .clone()
                    .addClass("new")
                    .attr(
                      "placeholder",
                      placeholder || "Add a new " + category,
                    ),
                );
                textContainer.append(newRow);
              }
            } else {
              textContainer.append(
                $(document.createElement("div"))
                  .addClass("basic-text-row")
                  .attr("data-category", category)
                  .text(value),
              );
            }
          },
          this,
        );

        if ((!modelValues || !modelValues.length) && this.edit) {
          var input = $(document.createElement("input"))
            .attr("type", "text")
            .attr("data-category", category)
            .addClass("basic-text new")
            .attr("placeholder", placeholder || "Add a new " + category);

          textContainer.append(
            $(document.createElement("div"))
              .addClass("basic-text-row")
              .append(input),
          );
        }

        return textContainer;
      },

      updateBasicText: function (e) {
        if (!e) return false;

        //Get the category, new value, and model
        var category = $(e.target).attr("data-category"),
          value = this.model.cleanXMLText($(e.target).val()),
          model = $(e.target).data("model") || this.model;

        //We can't update anything without a category
        if (!category) return false;

        //Get the current value
        var currentValue = model.get(category);

        //Insert the new value into the array
        if (Array.isArray(currentValue)) {
          //Find the position this text input is in
          var position = $(e.target)
            .parents("div.text-container")
            .first()
            .children("div")
            .index($(e.target).parent());

          //Set the value in that position in the array
          currentValue[position] = value;

          //Set the changed array on this model
          model.set(category, currentValue);
          model.trigger("change:" + category);
        }
        //Update the model if the current value is a string
        else if (typeof currentValue == "string") {
          model.set(category, [value]);
          model.trigger("change:" + category);
        } else if (!currentValue) {
          model.set(category, [value]);
          model.trigger("change:" + category);
        }

        //Add another blank text input
        if ($(e.target).is(".new") && value != "" && category != "title") {
          $(e.target).removeClass("new");
          this.addBasicText(e);
        }

        // Trigger a change on the entire package
        MetacatUI.rootDataPackage.packageModel.set("changed", true);
      },

      /* One-off handler for updating pubDate on the model when the form
        input changes. Fairly similar but just a pared down version of
        updateBasicText. */
      updatePubDate: function (e) {
        if (!e) return false;

        this.model.set("pubDate", $(e.target).val().trim());
        this.model.trigger("change");

        // Trigger a change on the entire package
        MetacatUI.rootDataPackage.packageModel.set("changed", true);
      },

      /*
       * Adds a basic text input
       */
      addBasicText: function (e) {
        var category = $(e.target).attr("data-category"),
          allBasicTexts = $(
            ".basic-text.new[data-category='" + category + "']",
          );

        //Only show one new row at a time
        if (allBasicTexts.length == 1 && !allBasicTexts.val()) return;
        else if (allBasicTexts.length > 1) return;
        //We are only supporting one title right now
        else if (category == "title") return;

        //Add another blank text input
        var newRow = $(document.createElement("div")).addClass(
          "basic-text-row",
        );

        newRow.append(
          $(document.createElement("input"))
            .attr("type", "text")
            .attr("data-category", category)
            .attr("placeholder", $(e.target).attr("placeholder"))
            .addClass("new basic-text"),
        );

        $(e.target).parent().after(newRow);

        $(e.target).after(
          this.createRemoveButton(
            null,
            category,
            ".basic-text-row",
            "div.text-container",
          ),
        );
      },

      previewTextRemove: function (e) {
        $(e.target).parents(".basic-text-row").toggleClass("remove-preview");
      },

      // publication date validation.
      isDateFormatValid: function (dateString) {
        //Date strings that are four characters should be a full year. Make sure all characters are numbers
        if (dateString.length == 4) {
          var digits = dateString.match(/[0-9]/g);
          return digits.length == 4;
        }
        //Date strings that are 10 characters long should be a valid date
        else {
          var dateParts = dateString.split("-");

          if (
            dateParts.length != 3 ||
            dateParts[0].length != 4 ||
            dateParts[1].length != 2 ||
            dateParts[2].length != 2
          )
            return false;

          dateYear = dateParts[0];
          dateMonth = dateParts[1];
          dateDay = dateParts[2];

          // Validating the values for the date and month if in YYYY-MM-DD format.
          if (dateMonth < 1 || dateMonth > 12) return false;
          else if (dateDay < 1 || dateDay > 31) return false;
          else if (
            (dateMonth == 4 ||
              dateMonth == 6 ||
              dateMonth == 9 ||
              dateMonth == 11) &&
            dateDay == 31
          )
            return false;
          else if (dateMonth == 2) {
            // Validation for leap year dates.
            var isleap =
              dateYear % 4 == 0 && (dateYear % 100 != 0 || dateYear % 400 == 0);
            if (dateDay > 29 || (dateDay == 29 && !isleap)) return false;
          }

          var digits = _.filter(dateParts, function (part) {
            return part.match(/[0-9]/g).length == part.length;
          });

          return digits.length == 3;
        }
      },

      /* Event handler for showing validation messaging for the pubDate input
        which has to conform to the EML yearDate type (YYYY or YYYY-MM-DD) */
      showPubDateValidation: function (e) {
        var container = $(e.target).parents(".pubDate").first(),
          input = $(e.target),
          messageEl = $(container).find(".notification"),
          value = input.val(),
          errors = [];

        // Remove existing error borders and notifications
        input.removeClass("error");
        messageEl.text("");
        messageEl.removeClass("error");

        if (value != "" && value.length > 0) {
          if (!this.isDateFormatValid(value)) {
            errors.push(
              "The value entered for publication date, '" +
                value +
                "' is not a valid value for this field. Enter either a year (e.g. 2017) or a date in the format YYYY-MM-DD.",
            );

            input.addClass("error");
          }
        }

        if (errors.length > 0) {
          messageEl.text(errors[0]).addClass("error");
        }
      },

      // Creates a table to hold a single EMLTaxonCoverage element (table) for
      // each root-level taxonomicClassification
      createTaxonomicCoverage: function (coverage) {
        var finishedEls = $(
            this.taxonomicCoverageTemplate({
              generalTaxonomicCoverage:
                coverage.get("generalTaxonomicCoverage") || "",
            }),
          ),
          coverageEl = finishedEls.filter(".taxonomic-coverage");

        coverageEl.data({ model: coverage });

        var classifications = coverage.get("taxonomicClassification");

        // Makes a table... for the root level
        for (var i = 0; i < classifications.length; i++) {
          coverageEl.append(
            this.createTaxonomicClassificationTable(classifications[i]),
          );
        }

        // Create a new, blank table for another taxonomicClassification
        var newTableEl = this.createTaxonomicClassificationTable();

        coverageEl.append(newTableEl);

        return finishedEls;
      },

      createTaxonomicClassificationTable: function (classification) {
        // updating the taxonomic table indexes before adding a new table to the page.
        var taxaNums = this.$(".editor-header-index");
        for (var i = 0; i < taxaNums.length; i++) {
          $(taxaNums[i]).text(i + 1);
        }

        // Adding the taxoSpeciesCounter to the table header for enhancement of the view
        var finishedEl = $(
          '<div class="row-striped root-taxonomic-classification-container"></div>',
        );
        $(finishedEl).append(
          '<h6>Species <span class="editor-header-index">' +
            (taxaNums.length + 1) +
            "</span> </h6>",
        );

        // Add a remove button if this is not a new table
        if (!(typeof classification === "undefined")) {
          $(finishedEl).append(
            this.createRemoveButton(
              "taxonCoverage",
              "taxonomicClassification",
              ".root-taxonomic-classification-container",
              ".taxonomic-coverage",
            ),
          );
        }

        var tableEl = $(this.taxonomicClassificationTableTemplate());
        var tableBodyEl = $(document.createElement("tbody"));

        var queue = [classification],
          rows = [],
          cur;

        while (queue.length > 0) {
          cur = queue.pop();

          // I threw this in here so I can this function without an
          // argument to generate a new table from scratch
          if (typeof cur === "undefined") {
            continue;
          }
          cur.taxonRankName = cur.taxonRankName?.toLowerCase();
          rows.push(cur);
          if (cur.taxonomicClassification) {
            for (var i = 0; i < cur.taxonomicClassification.length; i++) {
              queue.push(cur.taxonomicClassification[i]);
            }
          }
        }

        for (var j = 0; j < rows.length; j++) {
          tableBodyEl.append(this.makeTaxonomicClassificationRow(rows[j]));
        }

        var newRowEl = this.makeNewTaxonomicClassificationRow();

        $(tableBodyEl).append(newRowEl);
        $(tableEl).append(tableBodyEl);

        // Add the new class to the entire table if it's a new one
        if (typeof classification === "undefined") {
          $(tableEl).addClass("new");
        }

        $(finishedEl).append(tableEl);

        return finishedEl;
      },

      /**
       * Create the HTML for a single row in a taxonomicClassification table
       * @param {EMLTaxonCoverage#taxonomicClassification} classification A
       * classification object from an EMLTaxonCoverage model, may include
       * a taxonRank, taxonValue, taxonId, commonName, and nested
       * taxonomicClassification objects
       * @returns {jQuery} A jQuery object containing the HTML for a single
       * row in a taxonomicClassification table
       * @since 2.24.0
       */
      makeTaxonomicClassificationRow: function (classification) {
        try {
          if (!classification) classification = {};
          var finishedEl = $(
            this.taxonomicClassificationRowTemplate({
              taxonRankName: classification.taxonRankName || "",
              taxonRankValue: classification.taxonRankValue || "",
            }),
          );
          // Save a reference to other taxon attributes that we need to keep
          // when serializing the model
          if (classification.taxonId) {
            $(finishedEl).data("taxonId", classification.taxonId);
          }
          if (classification.commonName) {
            $(finishedEl).data("commonName", classification.commonName);
          }
          return finishedEl;
        } catch (e) {
          console.log("Error making taxonomic classification row: ", e);
        }
      },

      /**
       * Create the HTML for a new row in a taxonomicClassification table
       * @returns {jQuery} A jQuery object containing the HTML for a new row
       * in a taxonomicClassification table
       * @since 2.24.0
       */
      makeNewTaxonomicClassificationRow: function () {
        const row = this.makeTaxonomicClassificationRow({});
        $(row).addClass("new");
        return row;
      },

      /* Update the underlying model and DOM for an EML TaxonomicCoverage
        section. This method handles updating the underlying TaxonomicCoverage
        models when the user changes form fields as well as inserting new
        form fields automatically when the user needs them.

        Since a dataset has multiple TaxonomicCoverage elements at the dataset
        level, each Taxonomic Coverage is represented by a table element and
        all taxonomicClassifications within are rows in that table.

        TODO: Finish this function
        TODO: Link this function into the DOM
        */
      updateTaxonCoverage: function (options) {
        if (options.target) {
          // Ignore the event if the target is a quick add taxon UI element.
          const quickAddEl = $(this.taxonQuickAddEl);
          if (quickAddEl && quickAddEl.has(options.target).length) {
            return;
          }

          var e = options;

          /*  Getting `model` here is different than in other places because
              the thing being updated is an `input` or `select` element which
              is part of a `taxonomicClassification`. The model is
              `TaxonCoverage` which has one or more
              `taxonomicClassifications`. So we have to walk up to the
              hierarchy from input < td < tr < tbody < table < div to get at
              the underlying TaxonCoverage model.
            */
          var coverage = $(e.target).parents(".taxonomic-coverage"),
            classificationEl = $(e.target).parents(
              ".root-taxonomic-classification",
            ),
            model = $(coverage).data("model") || this.model,
            category = $(e.target).attr("data-category"),
            value = this.model.cleanXMLText($(e.target).val());

          //We can't update anything without a coverage, or
          //classification
          if (!coverage) return false;
          if (!classificationEl) return false;

          // Use `category` to determine if we're updating the generalTaxonomicCoverage or
          // the taxonomicClassification
          if (category && category === "generalTaxonomicCoverage") {
            model.set("generalTaxonomicCoverage", value);

            return;
          }
        } else {
          var coverage = options.coverage,
            model = $(coverage).data("model");
        }

        // Find all of the root-level taxonomicClassifications
        var classificationTables = $(coverage).find(
          ".root-taxonomic-classification",
        );

        if (!classificationTables) return false;

        //TODO :This should probably (at least) be in its own View and
        //definitely refactored into tidy functions.*/

        var rows,
          collectedClassifications = [];

        for (var i = 0; i < classificationTables.length; i++) {
          rows = $(classificationTables[i]).find("tbody tr");

          if (!rows) continue;

          var topLevelClassification = {},
            classification = topLevelClassification,
            currentRank,
            currentValue;

          for (var j = 0; j < rows.length; j++) {
            const thisRow = rows[j];

            currentRank =
              this.model.cleanXMLText($(thisRow).find("select").val()) || "";
            currentValue =
              this.model.cleanXMLText($(thisRow).find("input").val()) || "";

            // Maintain classification attributes that exist in the EML but are not visible in the editor
            const taxonId = $(thisRow).data("taxonId");
            const commonName = $(thisRow).data("commonName");

            // Skip over rows with empty Rank or Value
            if (!currentRank.length || !currentValue.length) {
              continue;
            }

            //After the first row, start nesting taxonomicClassification objects
            if (j > 0) {
              classification.taxonomicClassification = [{}];
              classification = classification.taxonomicClassification[0];
            }

            // Add it to the classification object
            classification.taxonRankName = currentRank;
            classification.taxonRankValue = currentValue;
            classification.taxonId = taxonId;
            classification.commonName = commonName;
          }

          //Add the top level classification to the array
          if (Object.keys(topLevelClassification).length)
            collectedClassifications.push(topLevelClassification);
        }

        if (
          !_.isEqual(
            collectedClassifications,
            model.get("taxonomicClassification"),
          )
        ) {
          model.set("taxonomicClassification", collectedClassifications);
          this.model.trigger("change");
        }

        // Handle adding new tables and rows
        // Do nothing if the value isn't set
        if (value) {
          // Add a new row if this is itself a new row
          if ($(e.target).parents("tr").first().is(".new")) {
            var newRowEl = this.makeNewTaxonomicClassificationRow();
            $(e.target).parents("tbody").first().append(newRowEl);
            $(e.target).parents("tr").first().removeClass("new");
          }

          // Add a new classification table if this is itself a new table
          if ($(classificationEl).is(".new")) {
            $(classificationEl).removeClass("new");
            $(classificationEl).append(
              this.createRemoveButton(
                "taxonCoverage",
                "taxonomicClassification",
                ".root-taxonomic-classification-container",
                ".taxonomic-coverage",
              ),
            );
            $(coverage).append(this.createTaxonomicClassificationTable());
          }
        }

        // update the quick add interface
        this.updateQuickAddTaxa();
      },

      /**
       * Update the options for the quick add taxon select interface. This
       * ensures that only taxonomic classifications that are not already
       * included in the taxonomic coverage are available for selection.
       * @since 2.24.0
       */
      updateQuickAddTaxa: function () {
        const selects = this.taxonSelects;
        if (!selects || !selects.length) return;
        const taxa = this.getTaxonQuickAddOptions();
        if (!taxa || !taxa.length) return;
        selects.forEach((select, i) => {
          select.updateOptions(taxa[i].options);
        });
      },

      /*
       * Adds a new row and/or table to the taxonomic coverage section
       */
      addNewTaxon: function (e) {
        // Don't do anything if the current classification doesn't have new content
        if ($(e.target).val().trim() === "") return;

        // If the row is new, add a new row to the table
        if ($(e.target).parents("tr").is(".new")) {
          var newRow = this.makeNewTaxonomicClassificationRow();
          //Append the new row and remove the new class from the old row
          $(e.target).parents("tr").removeClass("new").after(newRow);
        }
      },

      /**
       * Insert the "quick add" interface for adding common taxa to the
       * taxonomic coverage section. Only renders if there is a list of taxa
       * configured in the appModel.
       */
      renderTaxaQuickAdd: function () {
        try {
          const view = this;
          // To render the taxon select, the view must be in editor mode and we
          // need a list of taxa configured for the theme
          if (!view.edit) return;
          // remove any existing quick add interface:
          if (view.taxonQuickAddEl) view.taxonQuickAddEl.remove();

          const quickAddTaxa = view.getTaxonQuickAddOptions();
          if (!quickAddTaxa || !quickAddTaxa.length) {
            // If the taxa are configured as SID for a dataObject, then wait
            // for the dataObject to be loaded
            this.listenToOnce(
              MetacatUI.appModel,
              "change:quickAddTaxa",
              this.renderTaxaQuickAdd,
            );
            return;
          }

          // Create & insert the basic HTML for the taxon select interface
          const template = `<div class="taxa-quick-add">
              <p class="taxa-quick-add__text">
                <b>⭐️ Quick Add Taxa:</b> Select one or more common taxa. Click "Add" to add them to the list.
              </p>
              <div class="taxa-quick-add__controls">
              <div class="taxa-quick-add__selects"></div>
              <button class="btn btn-primary taxa-quick-add__button">Add Taxa</button>
              </div>
            </div>`;
          const parser = new DOMParser();
          const doc = parser.parseFromString(template, "text/html");
          const quickAddEl = doc.body.firstChild;
          const button = quickAddEl.querySelector("button");
          const container = quickAddEl.querySelector(
            ".taxa-quick-add__selects",
          );
          const rowSelector = ".root-taxonomic-classification-container";
          const firstRow = document.querySelector(rowSelector);
          firstRow.parentNode.insertBefore(quickAddEl, firstRow);
          view.taxonQuickAddEl = quickAddEl;

          // Update the taxon coverage when the button is clicked
          const onButtonClick = () => {
            const taxonSelects = view.taxonSelects;
            if (!taxonSelects || !taxonSelects.length) return;
            const selectedItems = taxonSelects
              .map((select) => select.model.get("selected"))
              .flat();
            if (!selectedItems || !selectedItems.length) return;
            const selectedItemObjs = selectedItems.map((item) => {
              try {
                // It will be encoded JSON if it's a pre-defined taxon
                return JSON.parse(decodeURIComponent(item));
              } catch (e) {
                // Otherwise it will be a string a user typed in
                return {
                  taxonRankName: "",
                  taxonRankValue: item,
                };
              }
            });
            view.addTaxa(selectedItemObjs);
            taxonSelects.forEach((select) =>
              select.model.setSelected([], { silent: true }),
            );
          };
          button.removeEventListener("click", onButtonClick);
          button.addEventListener("click", onButtonClick);

          // Create the search selects
          view.taxonSelects = [];
          const componentPath = "views/searchSelect/SearchSelectView";
          require([componentPath], function (SearchSelect) {
            quickAddTaxa.forEach((taxaList, i) => {
              try {
                const taxaInput = new SearchSelect({
                  options: taxaList.options,
                  placeholderText: taxaList.placeholder,
                  inputLabel: taxaList.label,
                  allowMulti: true,
                  allowAdditions: true,
                  separatorTextOptions: false,
                  selected: [],
                });
                container.appendChild(taxaInput.el);
                taxaInput.render();
                view.taxonSelects.push(taxaInput);
              } catch (e) {
                console.log("Failed to create taxon select: ", e);
              }
            });
          });
        } catch (e) {
          console.log("Failed to render taxon select: ", e);
        }
      },

      /**
       * Get the list of options for the taxon quick add interface. Filter
       * out any that have already been added to the taxonomic coverage.
       * @returns {Object[]} An array of search select options
       * @since 2.24.0
       */
      getTaxonQuickAddOptions: function () {
        const quickAddTaxa = MetacatUI.appModel.getQuickAddTaxa();
        if (!quickAddTaxa || !quickAddTaxa.length) return;
        const coverages = this.model.get("taxonCoverage");
        for (const taxaList of quickAddTaxa) {
          const opts = [];
          for (const taxon of taxaList.taxa) {
            // check that it is not a duplicate in any coverages
            let isDuplicate = false;
            for (cov of coverages) {
              if (cov.isDuplicate(taxon)) {
                isDuplicate = true;
                break;
              }
            }
            if (!isDuplicate) {
              opts.push(this.taxonOptionToSearchSelectItem(taxon));
            }
          }
          taxaList.options = opts;
        }
        return quickAddTaxa;
      },

      /**
       * Reformats a taxon option, as provided in the appModel
       * {@link AppModel#quickAddTaxa}, as a search select item.
       * @param {Object} option A single taxon classification with at least a
       * taxonRankValue and taxonRankName. It may also have a taxonId (object
       * with provider and value) and a commonName.
       * @returns {Object} A search select item with label, value, and
       * description properties.
       */
      taxonOptionToSearchSelectItem: function (option) {
        try {
          // option must have a taxonRankValue and taxonRankName or it is invalid
          if (!option.taxonRankValue || !option.taxonRankName) {
            console.log("Invalid taxon option: ", option);
            return null;
          }
          // Create a description
          let description = option.taxonRankName + ": " + option.taxonRankValue;
          if (option.taxonId) {
            description +=
              " (" +
              option.taxonId.provider +
              ": " +
              option.taxonId.value +
              ")";
          }
          // search select doesn't work with some of the json characters
          const val = encodeURIComponent(JSON.stringify(option));
          return {
            label: option.commonName || option.taxonRankValue,
            value: val,
            description: description,
          };
        } catch (e) {
          console.log(
            "Failed to reformat taxon option as search select item: ",
            e,
          );
          return null;
        }
      },

      /**
       * Add new taxa to the EML model and re-render the taxa section. The new
       * taxa will be added to the first <taxonomicCoverage> element in the EML
       * model. If there is no <taxonomicCoverage> element, one will be created.
       * @param {Object[]} newClassifications - An array of objects with any of
       * the following properties:
       *  - taxonRankName: (sting) The name of the taxonomic rank, e.g.
       *    "Kingdom"
       *  - taxonRankValue: (string) The value of the taxonomic rank, e.g.
       *    "Animalia"
       *  - commonName: (string) The common name of the taxon, e.g. "Animals"
       *  - taxonId: (object) The official ID of the taxon, including "provider"
       *    and "value".
       *  - taxonomicClassification: (array) An array of nested taxonomic
       *    classifications
       * @since 2.24.0
       * @example
       * this.addTaxon([{
       *  taxonRankName: "Kingdom",
       *  taxonRankValue: "Animalia",
       *  commonName: "Animals",
       *  taxonId: {
       *    provider: "https://www.itis.gov/",
       *    value: "202423"
       *  }]);
       */
      addTaxa: function (newClassifications) {
        try {
          // TODO: validate the new taxon before adding it to the model?
          const taxonCoverages = this.model.get("taxonCoverage");
          // We expect that there is already a taxonCoverage array on the model.
          // If the EML was made in the editor, there can only be one
          // <taxonomicCoverage> element. Add the new taxon to its
          // <taxonomicClassification> array. If there is more than one, then the
          // new taxon will be added to the first <taxonomicCoverage> element.
          if (taxonCoverages && taxonCoverages.length >= 1) {
            const taxonCoverage = taxonCoverages[0];
            const classifications = taxonCoverage.get(
              "taxonomicClassification",
            );
            const allClass = classifications.concat(newClassifications);
            taxonCoverage.set("taxonomicClassification", allClass);
          } else {
            // If there is no <taxonomicCoverage> element for some reason,
            // create one and add the new taxon to its <taxonomicClassification>
            // array.
            const newCov = new EMLTaxonCoverage({
              taxonomicClassification: newClassifications,
              parentModel: this.model,
            });
            this.model.set("taxonCoverage", [newCov]);
          }
          // Re-render the taxa section
          this.renderTaxa();
        } catch (e) {
          console.log("Error adding taxon to EML model: ", e);
        }
      },

      removeTaxonRank: function (e) {
        var row = $(e.target).parents(".taxonomic-coverage-row"),
          coverageEl = $(row).parents(".taxonomic-coverage"),
          view = this;

        //Animate the row away and then remove it
        row.slideUp("fast", function () {
          row.remove();
          view.updateTaxonCoverage({ coverage: coverageEl });
        });
      },

      /*
       * After the user focuses out, show validation help, if needed
       */
      showTaxonValidation: function (e) {
        //Get the text inputs and select menus
        var row = $(e.target).parents("tr"),
          allInputs = row.find("input, select"),
          tableContainer = $(e.target).parents("table"),
          errorInputs = [];

        //If none of the inputs have a value and this is a new row, then do nothing
        if (
          _.every(allInputs, function (i) {
            return !i.value;
          }) &&
          row.is(".new")
        )
          return;

        //Add the error styling to any input with no value
        _.each(allInputs, function (input) {
          // Keep track of the number of clicks of each input element so we only show the
          // error message after the user has focused on both input elements
          if (!input.value) errorInputs.push(input);
        });

        if (errorInputs.length) {
          //Show the error message after a brief delay
          setTimeout(function () {
            //If the user focused on another element in the same row, don't do anything
            if (_.contains(allInputs, document.activeElement)) return;

            //Add the error styling
            $(errorInputs).addClass("error");

            //Add the error message
            if (!tableContainer.prev(".notification").length) {
              tableContainer.before(
                $(document.createElement("p"))
                  .addClass("error notification")
                  .text("Enter a rank name AND value in each row."),
              );
            }
          }, 200);
        } else {
          allInputs.removeClass("error");

          if (!tableContainer.find(".error").length)
            tableContainer.prev(".notification").remove();
        }
      },

      previewTaxonRemove: function (e) {
        var removeBtn = $(e.target);

        if (removeBtn.parent().is(".root-taxonomic-classification")) {
          removeBtn.parent().toggleClass("remove-preview");
        } else {
          removeBtn
            .parents(".taxonomic-coverage-row")
            .toggleClass("remove-preview");
        }
      },

      updateRadioButtons: function (e) {
        //Get the element of this radio button set that is checked
        var choice = this.$(
          "[name='" + $(e.target).attr("name") + "']:checked",
        ).val();

        if (typeof choice == "undefined" || !choice)
          this.model.set($(e.target).attr("data-category"), "");
        else this.model.set($(e.target).attr("data-category"), choice);

        this.model.trickleUpChange();
      },

      /*
       * Switch to the given section
       */
      switchSection: function (e) {
        if (!e) return;

        e.preventDefault();

        var clickedEl = $(e.target),
          section =
            clickedEl.attr("data-section") ||
            clickedEl.children("[data-section]").attr("data-section") ||
            clickedEl.parents("[data-section]").attr("data-section");

        if (this.visibleSection == "all") this.scrollToSection(section);
        else {
          this.$(".section." + this.activeSection).hide();
          this.$(".section." + section).show();

          this.highlightTOC(section);

          this.activeSection = section;
          this.visibleSection = section;

          $("body").scrollTop(
            this.$(".section." + section).offset().top - $("#Navbar").height(),
          );
        }
      },

      /*
       * When a user clicks on the section names in the side tabs, jump to the section
       */
      scrollToSection: function (e) {
        if (!e) return false;

        //Stop navigation
        e.preventDefault();

        var section = $(e.target).attr("data-section"),
          sectionEl = this.$(".section." + section);

        if (!sectionEl) return false;

        //Temporarily unbind the scroll listener while we scroll to the clicked section
        $(document).unbind("scroll");

        var view = this;
        setTimeout(function () {
          $(document).scroll(view.highlightTOC.call(view));
        }, 1500);

        //Scroll to the section
        if (sectionEl == section[0]) MetacatUI.appView.scrollToTop();
        else MetacatUI.appView.scrollTo(sectionEl, $("#Navbar").outerHeight());

        //Remove the active class from all the menu items
        $(".side-nav-item a.active").removeClass("active");
        //Set the clicked item to active
        $(".side-nav-item a[data-section='" + section + "']").addClass(
          "active",
        );

        //Set the active section on this view
        this.activeSection = section;
      },

      /*
       * Highlight the given menu item.
       * The first argument is either an event object or the section name
       */
      highlightTOC: function (section) {
        this.resizeTOC();

        //Now change sections
        if (typeof section == "string") {
          //Remove the active class from all the menu items
          $(".side-nav-item a.active").removeClass("active");

          $(".side-nav-item a[data-section='" + section + "']").addClass(
            "active",
          );
          this.activeSection = section;
          this.visibleSection = section;
          return;
        } else if (this.visibleSection == "all") {
          //Remove the active class from all the menu items
          $(".side-nav-item a.active").removeClass("active");

          //Get the section
          var top = $(window).scrollTop() + $("#Navbar").outerHeight() + 70,
            sections = $(".metadata-container .section");

          //If we're somewhere in the middle, find the right section
          for (var i = 0; i < sections.length; i++) {
            if (
              top > $(sections[i]).offset().top &&
              top < $(sections[i + 1]).offset().top
            ) {
              $($(".side-nav-item a")[i]).addClass("active");
              this.activeSection = $(sections[i]).attr("data-section");
              this.visibleSection = $(sections[i]).attr("data-section");
              break;
            }
          }
        }
      },

      /*
       * Resizes the vertical table of contents so it's always the same height as the editor body
       */
      resizeTOC: function () {
        var tableBottomHandle = $("#editor-body .ui-resizable-handle");

        if (!tableBottomHandle.length) return;

        var tableBottom = tableBottomHandle[0].getBoundingClientRect().bottom,
          navTop = tableBottom;

        if (tableBottom < $("#Navbar").outerHeight()) {
          if ($("#Navbar").css("position") == "fixed")
            navTop = $("#Navbar").outerHeight();
          else navTop = 0;
        }

        $(".metadata-toc").css("top", navTop);
      },

      /*
       *  -- This function is for development/testing purposes only --
       *  Trigger a change on all the form elements
       *  so that when values are changed by Javascript, we make sure the change event
       *  is fired. This is good for capturing changes by Javascript, or
       *  browser plugins that fill-in forms, etc.
       */
      triggerChanges: function () {
        $("#metadata-container input").change();
        $("#metadata-container textarea").change();
        $("#metadata-container select").change();
      },

      /* Creates "Remove" buttons for removing non-required sections
        of the EML from the DOM */
      createRemoveButton: function (submodel, attribute, selector, container) {
        return $(document.createElement("span"))
          .addClass("icon icon-remove remove pointer")
          .attr("title", "Remove")
          .data({
            submodel: submodel,
            attribute: attribute,
            selector: selector,
            container: container,
          });
      },

      /* Generic event handler for removing sections of the EML (both
        the DOM and inside the EML211Model) */
      handleRemove: function (e) {
        var submodel = $(e.target).data("submodel"), // Optional sub-model to remove attribute from
          attribute = $(e.target).data("attribute"), // Attribute on the EML211 model we're removing from
          selector = $(e.target).data("selector"), // Selector to find the parent DOM elemente we'll remove
          container = $(e.target).data("container"), // Selector to find the parent container so we can remove by index
          parentEl, // Element we'll remove
          model; // Specific sub-model we're removing

        if (!attribute) return;
        if (!container) return;

        // Find the element we'll remove from the DOM
        if (selector) {
          parentEl = $(e.target).parents(selector).first();
        } else {
          parentEl = $(e.target).parents().first();
        }

        if (parentEl.length == 0) return;

        // Handle remove on a EML model / sub-model
        if (submodel) {
          model = this.model.get(submodel);

          if (!model) return;

          // Get the current value of the attribute so we can remove from it
          var currentValue, submodelIndex;

          if (Array.isArray(this.model.get(submodel))) {
            // Stop now if there's nothing to remove in the first place
            if (this.model.get(submodel).length == 0) return;

            // For multi-valued submodels, find *which* submodel we are removing or
            // removingn from
            submodelIndex = $(container).index(
              $(e.target).parents(container).first(),
            );
            if (submodelIndex === -1) return;

            currentValue = this.model
              .get(submodel)
              [submodelIndex].get(attribute);
          } else {
            currentValue = this.model.get(submodel).get(attribute);
          }

          //FInd the position of this field in the list of fields
          var position = $(e.target)
            .parents(container)
            .first()
            .children(selector)
            .index($(e.target).parents(selector));

          // Remove from the EML Model
          if (position >= 0) {
            if (Array.isArray(this.model.get(submodel))) {
              currentValue.splice(position, 1); // Splice returns the removed members
              this.model
                .get(submodel)
                [submodelIndex].set(attribute, currentValue);
            } else {
              currentValue.splice(position, 1); // Splice returns the removed members
              this.model.get(submodel).set(attribute, currentValue);
            }
          }
        } else if (selector) {
          // Find the index this attribute is in the DOM
          var position = $(e.target)
            .parents(container)
            .first()
            .children(selector)
            .index($(e.target).parents(selector));

          //Remove this index of the array
          var currentValue = this.model.get(attribute);

          if (Array.isArray(currentValue)) currentValue.splice(position, 1);

          //Set the array on the model so the 'set' function is executed
          this.model.set(attribute, currentValue);
        }
        // Handle remove on a basic text field
        else {
          // The DOM order matches the EML model attribute order so we can remove
          // by that
          var position = $(e.target)
            .parents(container)
            .first()
            .children(selector)
            .index(selector);
          var currentValue = this.model.get(attribute);

          // Remove from the EML Model
          if (position >= 0) {
            currentValue.splice(position, 1);
            this.model.set(attribute, currentValue);
          }
        }

        // Trigger a change on the entire package
        MetacatUI.rootDataPackage.packageModel.set("changed", true);

        // Remove the DOM
        $(parentEl).remove();

        //updating the tablesIndex once the element has been removed
        var tableNums = this.$(".editor-header-index");
        for (var i = 0; i < tableNums.length; i++) {
          $(tableNums[i]).text(i + 1);
        }

        // If this was a taxon, update the quickAdd interface
        if (submodel === "taxonCoverage") {
          this.updateQuickAddTaxa();
        }
      },

      /**
       * Adds an {@link EMLAnnotation} to the {@link EML211} model currently being edited.
       * Attributes for the annotation are retreived from the HTML attributes from the HTML element
       * that was interacted with.
       * @param {Event} e - An Event on an Element that contains {@link EMLAnnotation} data
       */
      addAnnotation: function (e) {
        try {
          if (!e || !e.target) {
            return;
          }

          let annotationData = _.clone(e.target.dataset);

          //If this is a radio button, we only want one annotation of this type.
          if (e.target.getAttribute("type") == "radio") {
            annotationData.allowDuplicates = false;
          }

          //Set the valueURI from the input value
          annotationData.valueURI = $(e.target).val();

          //Reformat the propertyURI property
          if (annotationData.propertyUri) {
            annotationData.propertyURI = annotationData.propertyUri;
            delete annotationData.propertyUri;
          }

          this.model.addAnnotation(annotationData);
        } catch (error) {
          console.error("Couldn't add annotation: ", e);
        }
      },

      /* Close the view and its sub views */
      onClose: function () {
        this.remove(); // remove for the DOM, stop listening
        this.off(); // remove callbacks, prevent zombies
        this.model.off();

        //Remove the scroll event listeners
        $(document).unbind("scroll");

        this.model = null;

        this.subviews = [];
        window.onbeforeunload = null;
      },
    },
  );
  return EMLView;
});