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- /**
- * @file
- * A Backbone Model for the state of an in-place editable field in the DOM.
- */
- (function(_, Backbone, Drupal) {
- Drupal.quickedit.FieldModel = Drupal.quickedit.BaseModel.extend(
- /** @lends Drupal.quickedit.FieldModel# */ {
- /**
- * @type {object}
- */
- defaults: /** @lends Drupal.quickedit.FieldModel# */ {
- /**
- * The DOM element that represents this field. It may seem bizarre to have
- * a DOM element in a Backbone Model, but we need to be able to map fields
- * in the DOM to FieldModels in memory.
- */
- el: null,
- /**
- * A field ID, of the form
- * `<entity type>/<id>/<field name>/<language>/<view mode>`
- *
- * @example
- * "node/1/field_tags/und/full"
- */
- fieldID: null,
- /**
- * The unique ID of this field within its entity instance on the page, of
- * the form `<entity type>/<id>/<field name>/<language>/<view
- * mode>[entity instance ID]`.
- *
- * @example
- * "node/1/field_tags/und/full[0]"
- */
- id: null,
- /**
- * A {@link Drupal.quickedit.EntityModel}. Its "fields" attribute, which
- * is a FieldCollection, is automatically updated to include this
- * FieldModel.
- */
- entity: null,
- /**
- * This field's metadata as returned by the
- * QuickEditController::metadata().
- */
- metadata: null,
- /**
- * Callback function for validating changes between states. Receives the
- * previous state, new state, context, and a callback.
- */
- acceptStateChange: null,
- /**
- * A logical field ID, of the form
- * `<entity type>/<id>/<field name>/<language>`, i.e. the fieldID without
- * the view mode, to be able to identify other instances of the same
- * field on the page but rendered in a different view mode.
- *
- * @example
- * "node/1/field_tags/und".
- */
- logicalFieldID: null,
- // The attributes below are stateful. The ones above will never change
- // during the life of a FieldModel instance.
- /**
- * In-place editing state of this field. Defaults to the initial state.
- * Possible values: {@link Drupal.quickedit.FieldModel.states}.
- */
- state: 'inactive',
- /**
- * The field is currently in the 'changed' state or one of the following
- * states in which the field is still changed.
- */
- isChanged: false,
- /**
- * Is tracked by the EntityModel, is mirrored here solely for decorative
- * purposes: so that FieldDecorationView.renderChanged() can react to it.
- */
- inTempStore: false,
- /**
- * The full HTML representation of this field (with the element that has
- * the data-quickedit-field-id as the outer element). Used to propagate
- * changes from this field to other instances of the same field storage.
- */
- html: null,
- /**
- * An object containing the full HTML representations (values) of other
- * view modes (keys) of this field, for other instances of this field
- * displayed in a different view mode.
- */
- htmlForOtherViewModes: null,
- },
- /**
- * State of an in-place editable field in the DOM.
- *
- * @constructs
- *
- * @augments Drupal.quickedit.BaseModel
- *
- * @param {object} options
- * Options for the field model.
- */
- initialize(options) {
- // Store the original full HTML representation of this field.
- this.set('html', options.el.outerHTML);
- // Enlist field automatically in the associated entity's field collection.
- this.get('entity')
- .get('fields')
- .add(this);
- // Automatically generate the logical field ID.
- this.set(
- 'logicalFieldID',
- this.get('fieldID')
- .split('/')
- .slice(0, 4)
- .join('/'),
- );
- // Call Drupal.quickedit.BaseModel's initialize() method.
- Drupal.quickedit.BaseModel.prototype.initialize.call(this, options);
- },
- /**
- * Destroys the field model.
- *
- * @param {object} options
- * Options for the field model.
- */
- 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);
- },
- /**
- * {@inheritdoc}
- */
- sync() {
- // We don't use REST updates to sync.
- },
- /**
- * Validate function for the field model.
- *
- * @param {object} attrs
- * The attributes changes in the save or set call.
- * @param {object} options
- * An object with the following option:
- * @param {string} [options.reason]
- * A string that conveys a particular reason to allow for an exceptional
- * state change.
- * @param {Array} options.accept-field-states
- * An array of strings that represent field states that the entities must
- * be in to validate. For example, if `accept-field-states` is
- * `['candidate', 'highlighted']`, then all the fields of the entity must
- * be in either of these two states for the save or set call to
- * validate and proceed.
- *
- * @return {string}
- * A string to say something about the state of the field model.
- */
- validate(attrs, options) {
- const current = this.get('state');
- const next = attrs.state;
- if (current !== next) {
- // Ensure it's a valid state.
- if (_.indexOf(this.constructor.states, next) === -1) {
- return `"${next}" is an invalid state`;
- }
- // Check if the acceptStateChange callback accepts it.
- if (!this.get('acceptStateChange')(current, next, options, this)) {
- return 'state change not accepted';
- }
- }
- },
- /**
- * Extracts the entity ID from this field's ID.
- *
- * @return {string}
- * An entity ID: a string of the format `<entity type>/<id>`.
- */
- getEntityID() {
- return this.get('fieldID')
- .split('/')
- .slice(0, 2)
- .join('/');
- },
- /**
- * Extracts the view mode ID from this field's ID.
- *
- * @return {string}
- * A view mode ID.
- */
- getViewMode() {
- return this.get('fieldID')
- .split('/')
- .pop();
- },
- /**
- * Find other instances of this field with different view modes.
- *
- * @return {Array}
- * An array containing view mode IDs.
- */
- findOtherViewModes() {
- const currentField = this;
- const otherViewModes = [];
- Drupal.quickedit.collections.fields
- // Find all instances of fields that display the same logical field
- // (same entity, same field, just a different instance and maybe a
- // different view mode).
- .where({ logicalFieldID: currentField.get('logicalFieldID') })
- .forEach(field => {
- // Ignore the current field and other fields with the same view mode.
- if (
- field !== currentField &&
- field.get('fieldID') !== currentField.get('fieldID')
- ) {
- otherViewModes.push(field.getViewMode());
- }
- });
- return otherViewModes;
- },
- },
- /** @lends Drupal.quickedit.FieldModel */ {
- /**
- * Sequence of all possible states a field can be in during quickediting.
- *
- * @type {Array.<string>}
- */
- states: [
- // The field associated with this FieldModel is linked to an EntityModel;
- // the user can choose to start in-place editing that entity (and
- // consequently this field). No in-place editor (EditorView) is associated
- // with this field, because this field is not being in-place edited.
- // This is both the initial (not yet in-place editing) and the end state
- // (finished in-place editing).
- 'inactive',
- // The user is in-place editing this entity, and this field is a
- // candidate
- // for in-place editing. In-place editor should not
- // - Trigger: user.
- // - Guarantees: entity is ready, in-place editor (EditorView) is
- // associated with the field.
- // - Expected behavior: visual indicators
- // around the field indicate it is available for in-place editing, no
- // in-place editor presented yet.
- 'candidate',
- // User is highlighting this field.
- // - Trigger: user.
- // - Guarantees: see 'candidate'.
- // - Expected behavior: visual indicators to convey highlighting, in-place
- // editing toolbar shows field's label.
- 'highlighted',
- // User has activated the in-place editing of this field; in-place editor
- // is activating.
- // - Trigger: user.
- // - Guarantees: see 'candidate'.
- // - Expected behavior: loading indicator, in-place editor is loading
- // remote data (e.g. retrieve form from back-end). Upon retrieval of
- // remote data, the in-place editor transitions the field's state to
- // 'active'.
- 'activating',
- // In-place editor has finished loading remote data; ready for use.
- // - Trigger: in-place editor.
- // - Guarantees: see 'candidate'.
- // - Expected behavior: in-place editor for the field is ready for use.
- 'active',
- // User has modified values in the in-place editor.
- // - Trigger: user.
- // - Guarantees: see 'candidate', plus in-place editor is ready for use.
- // - Expected behavior: visual indicator of change.
- 'changed',
- // User is saving changed field data in in-place editor to
- // PrivateTempStore. The save mechanism of the in-place editor is called.
- // - Trigger: user.
- // - Guarantees: see 'candidate' and 'active'.
- // - Expected behavior: saving indicator, in-place editor is saving field
- // data into PrivateTempStore. Upon successful saving (without
- // validation errors), the in-place editor transitions the field's state
- // to 'saved', but to 'invalid' upon failed saving (with validation
- // errors).
- 'saving',
- // In-place editor has successfully saved the changed field.
- // - Trigger: in-place editor.
- // - Guarantees: see 'candidate' and 'active'.
- // - Expected behavior: transition back to 'candidate' state because the
- // deed is done. Then: 1) transition to 'inactive' to allow the field
- // to be rerendered, 2) destroy the FieldModel (which also destroys
- // attached views like the EditorView), 3) replace the existing field
- // HTML with the existing HTML and 4) attach behaviors again so that the
- // field becomes available again for in-place editing.
- 'saved',
- // In-place editor has failed to saved the changed field: there were
- // validation errors.
- // - Trigger: in-place editor.
- // - Guarantees: see 'candidate' and 'active'.
- // - Expected behavior: remain in 'invalid' state, let the user make more
- // changes and then save it again, without validation errors.
- 'invalid',
- ],
- /**
- * Indicates whether the 'from' state comes before the 'to' state.
- *
- * @param {string} from
- * One of {@link Drupal.quickedit.FieldModel.states}.
- * @param {string} to
- * One of {@link Drupal.quickedit.FieldModel.states}.
- *
- * @return {bool}
- * Whether the 'from' state comes before the 'to' state.
- */
- followsStateSequence(from, to) {
- return _.indexOf(this.states, from) < _.indexOf(this.states, to);
- },
- },
- );
- /**
- * @constructor
- *
- * @augments Backbone.Collection
- */
- Drupal.quickedit.FieldCollection = Backbone.Collection.extend(
- /** @lends Drupal.quickedit.FieldCollection */ {
- /**
- * @type {Drupal.quickedit.FieldModel}
- */
- model: Drupal.quickedit.FieldModel,
- },
- );
- })(_, Backbone, Drupal);
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