/core/modules/quickedit/js/models/FieldModel.js

/**
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/2815083
* @preserve
**/

(function (_, Backbone, Drupal) {
  Drupal.quickedit.FieldModel = Drupal.quickedit.BaseModel.extend({
    defaults: {
      el: null,

      fieldID: null,

      id: null,

      entity: null,

      metadata: null,

      acceptStateChange: null,

      logicalFieldID: null,

      state: 'inactive',

      isChanged: false,

      inTempStore: false,

      html: null,

      htmlForOtherViewModes: null
    },

    initialize: function initialize(options) {
      this.set('html', options.el.outerHTML);

      this.get('entity').get('fields').add(this);

      this.set('logicalFieldID', this.get('fieldID').split('/').slice(0, 4).join('/'));

      Drupal.quickedit.BaseModel.prototype.initialize.call(this, options);
    },
    destroy: function destroy(options) {
      if (this.get('state') !== 'inactive') {
        throw new Error('FieldModel cannot be destroyed if it is not inactive state.');
      }
      Drupal.quickedit.BaseModel.prototype.destroy.call(this, options);
    },
    sync: function sync() {},
    validate: function validate(attrs, options) {
      var current = this.get('state');
      var next = attrs.state;
      if (current !== next) {
        if (_.indexOf(this.constructor.states, next) === -1) {
          return '"' + next + '" is an invalid state';
        }

        if (!this.get('acceptStateChange')(current, next, options, this)) {
          return 'state change not accepted';
        }
      }
    },
    getEntityID: function getEntityID() {
      return this.get('fieldID').split('/').slice(0, 2).join('/');
    },
    getViewMode: function getViewMode() {
      return this.get('fieldID').split('/').pop();
    },
    findOtherViewModes: function findOtherViewModes() {
      var currentField = this;
      var otherViewModes = [];
      Drupal.quickedit.collections.fields.where({ logicalFieldID: currentField.get('logicalFieldID') }).forEach(function (field) {
        if (field !== currentField && field.get('fieldID') !== currentField.get('fieldID')) {
          otherViewModes.push(field.getViewMode());
        }
      });
      return otherViewModes;
    }
  }, {
    states: ['inactive', 'candidate', 'highlighted', 'activating', 'active', 'changed', 'saving', 'saved', 'invalid'],

    followsStateSequence: function followsStateSequence(from, to) {
      return _.indexOf(this.states, from) < _.indexOf(this.states, to);
    }
  });

  Drupal.quickedit.FieldCollection = Backbone.Collection.extend({
    model: Drupal.quickedit.FieldModel
  });
})(_, Backbone, Drupal);