view core/modules/quickedit/js/models/EntityModel.js @ 19:fa3358dc1485 tip

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/**
* 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.EntityModel = Drupal.quickedit.BaseModel.extend({
    defaults: {
      el: null,

      entityID: null,

      entityInstanceID: null,

      id: null,

      label: null,

      fields: null,

      isActive: false,

      inTempStore: false,

      isDirty: false,

      isCommitting: false,

      state: 'closed',

      fieldsInTempStore: [],

      reload: false
    },

    initialize: function initialize() {
      this.set('fields', new Drupal.quickedit.FieldCollection());

      this.listenTo(this, 'change:state', this.stateChange);

      this.listenTo(this.get('fields'), 'change:state', this.fieldStateChange);

      Drupal.quickedit.BaseModel.prototype.initialize.call(this);
    },
    stateChange: function stateChange(entityModel, state, options) {
      var to = state;
      switch (to) {
        case 'closed':
          this.set({
            isActive: false,
            inTempStore: false,
            isDirty: false
          });
          break;

        case 'launching':
          break;

        case 'opening':
          entityModel.get('fields').each(function (fieldModel) {
            fieldModel.set('state', 'candidate', options);
          });
          break;

        case 'opened':
          this.set('isActive', true);
          break;

        case 'committing':
          {
            var fields = this.get('fields');

            fields.chain().filter(function (fieldModel) {
              return _.intersection([fieldModel.get('state')], ['active']).length;
            }).each(function (fieldModel) {
              fieldModel.set('state', 'candidate');
            });

            fields.chain().filter(function (fieldModel) {
              return _.intersection([fieldModel.get('state')], Drupal.quickedit.app.changedFieldStates).length;
            }).each(function (fieldModel) {
              fieldModel.set('state', 'saving');
            });
            break;
          }

        case 'deactivating':
          {
            var changedFields = this.get('fields').filter(function (fieldModel) {
              return _.intersection([fieldModel.get('state')], ['changed', 'invalid']).length;
            });

            if ((changedFields.length || this.get('fieldsInTempStore').length) && !options.saved && !options.confirmed) {
              this.set('state', 'opened', { confirming: true });

              _.defer(function () {
                Drupal.quickedit.app.confirmEntityDeactivation(entityModel);
              });
            } else {
              var invalidFields = this.get('fields').filter(function (fieldModel) {
                return _.intersection([fieldModel.get('state')], ['invalid']).length;
              });

              entityModel.set('reload', this.get('fieldsInTempStore').length || invalidFields.length);

              entityModel.get('fields').each(function (fieldModel) {
                if (_.intersection([fieldModel.get('state')], ['candidate', 'highlighted']).length) {
                  fieldModel.trigger('change:state', fieldModel, fieldModel.get('state'), options);
                } else {
                  fieldModel.set('state', 'candidate', options);
                }
              });
            }
            break;
          }

        case 'closing':
          options.reason = 'stop';
          this.get('fields').each(function (fieldModel) {
            fieldModel.set({
              inTempStore: false,
              state: 'inactive'
            }, options);
          });
          break;
      }
    },
    _updateInTempStoreAttributes: function _updateInTempStoreAttributes(entityModel, fieldModel) {
      var current = fieldModel.get('state');
      var previous = fieldModel.previous('state');
      var fieldsInTempStore = entityModel.get('fieldsInTempStore');

      if (current === 'saved') {
        entityModel.set('inTempStore', true);

        fieldModel.set('inTempStore', true);

        fieldsInTempStore.push(fieldModel.get('fieldID'));
        fieldsInTempStore = _.uniq(fieldsInTempStore);
        entityModel.set('fieldsInTempStore', fieldsInTempStore);
      } else if (current === 'candidate' && previous === 'inactive') {
          fieldModel.set('inTempStore', _.intersection([fieldModel.get('fieldID')], fieldsInTempStore).length > 0);
        }
    },
    fieldStateChange: function fieldStateChange(fieldModel, state) {
      var entityModel = this;
      var fieldState = state;

      switch (this.get('state')) {
        case 'closed':
        case 'launching':
          break;

        case 'opening':
          _.defer(function () {
            entityModel.set('state', 'opened', {
              'accept-field-states': Drupal.quickedit.app.readyFieldStates
            });
          });
          break;

        case 'opened':
          if (fieldState === 'changed') {
            entityModel.set('isDirty', true);
          } else {
            this._updateInTempStoreAttributes(entityModel, fieldModel);
          }
          break;

        case 'committing':
          {
            if (fieldState === 'invalid') {
              _.defer(function () {
                entityModel.set('state', 'opened', { reason: 'invalid' });
              });
            } else {
              this._updateInTempStoreAttributes(entityModel, fieldModel);
            }

            var options = {
              'accept-field-states': Drupal.quickedit.app.readyFieldStates
            };
            if (entityModel.set('isCommitting', true, options)) {
              entityModel.save({
                success: function success() {
                  entityModel.set({
                    state: 'deactivating',
                    isCommitting: false
                  }, { saved: true });
                },
                error: function error() {
                  entityModel.set('isCommitting', false);

                  entityModel.set('state', 'opened', {
                    reason: 'networkerror'
                  });

                  var message = Drupal.t('Your changes to <q>@entity-title</q> could not be saved, either due to a website problem or a network connection problem.<br>Please try again.', { '@entity-title': entityModel.get('label') });
                  Drupal.quickedit.util.networkErrorModal(Drupal.t('Network problem!'), message);
                }
              });
            }
            break;
          }

        case 'deactivating':
          _.defer(function () {
            entityModel.set('state', 'closing', {
              'accept-field-states': Drupal.quickedit.app.readyFieldStates
            });
          });
          break;

        case 'closing':
          _.defer(function () {
            entityModel.set('state', 'closed', {
              'accept-field-states': ['inactive']
            });
          });
          break;
      }
    },
    save: function save(options) {
      var entityModel = this;

      var entitySaverAjax = Drupal.ajax({
        url: Drupal.url('quickedit/entity/' + entityModel.get('entityID')),
        error: function error() {
          options.error.call(entityModel);
        }
      });

      entitySaverAjax.commands.quickeditEntitySaved = function (ajax, response, status) {
        entityModel.get('fields').each(function (fieldModel) {
          fieldModel.set('inTempStore', false);
        });
        entityModel.set('inTempStore', false);
        entityModel.set('fieldsInTempStore', []);

        if (options.success) {
          options.success.call(entityModel);
        }
      };

      entitySaverAjax.execute();
    },
    validate: function validate(attrs, options) {
      var acceptedFieldStates = options['accept-field-states'] || [];

      var currentState = this.get('state');
      var nextState = attrs.state;
      if (currentState !== nextState) {
        if (_.indexOf(this.constructor.states, nextState) === -1) {
          return '"' + nextState + '" is an invalid state';
        }

        if (!this._acceptStateChange(currentState, nextState, options)) {
          return 'state change not accepted';
        }

        if (!this._fieldsHaveAcceptableStates(acceptedFieldStates)) {
          return 'state change not accepted because fields are not in acceptable state';
        }
      }

      var currentIsCommitting = this.get('isCommitting');
      var nextIsCommitting = attrs.isCommitting;
      if (currentIsCommitting === false && nextIsCommitting === true) {
        if (!this._fieldsHaveAcceptableStates(acceptedFieldStates)) {
          return 'isCommitting change not accepted because fields are not in acceptable state';
        }
      } else if (currentIsCommitting === true && nextIsCommitting === true) {
        return 'isCommitting is a mutex, hence only changes are allowed';
      }
    },
    _acceptStateChange: function _acceptStateChange(from, to, context) {
      var accept = true;

      if (!this.constructor.followsStateSequence(from, to)) {
        accept = false;

        if (from === 'closing' && to === 'closed') {
          accept = true;
        } else if (from === 'committing' && to === 'opened' && context.reason && (context.reason === 'invalid' || context.reason === 'networkerror')) {
            accept = true;
          } else if (from === 'deactivating' && to === 'opened' && context.confirming) {
              accept = true;
            } else if (from === 'opened' && to === 'deactivating' && context.confirmed) {
                accept = true;
              }
      }

      return accept;
    },
    _fieldsHaveAcceptableStates: function _fieldsHaveAcceptableStates(acceptedFieldStates) {
      var accept = true;

      if (acceptedFieldStates.length > 0) {
        var fieldStates = this.get('fields').pluck('state') || [];

        if (_.difference(fieldStates, acceptedFieldStates).length) {
          accept = false;
        }
      }

      return accept;
    },
    destroy: function destroy(options) {
      Drupal.quickedit.BaseModel.prototype.destroy.call(this, options);

      this.stopListening();

      this.get('fields').reset();
    },
    sync: function sync() {}
  }, {
    states: ['closed', 'launching', 'opening', 'opened', 'committing', 'deactivating', 'closing'],

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

  Drupal.quickedit.EntityCollection = Backbone.Collection.extend({
    model: Drupal.quickedit.EntityModel
  });
})(_, jQuery, Backbone, Drupal);