* @module WoltLabSuite/Core/Form/Builder/Field/Dependency/Manager
* @since 5.2
*/
-define(['Dictionary', 'Dom/ChangeListener', 'EventHandler', 'List', 'Dom/Traverse', 'Dom/Util', 'ObjectMap'], function(Dictionary, DomChangeListener, EventHandler, List, DomTraverse, DomUtil, ObjectMap) {
- "use strict";
-
- /**
- * is `true` if containters are currently checked for their availablility, otherwise `false`
- * @type {boolean}
- * @private
- */
- var _checkingContainers = false;
-
- /**
- * is `true` if containter will be checked again after the current check for their availablility
- * has finished, otherwise `false`
- * @type {boolean}
- * @private
- */
- var _checkContainersAgain = true;
-
- /**
- * list of containers hidden due to their own dependencies
- * @type {List}
- * @private
- */
- var _dependencyHiddenNodes = new List();
-
- /**
- * list of fields for which event listeners have been registered
- * @type {Dictionary}
- * @private
- */
- var _fields = new Dictionary();
-
- /**
- * list of registered forms
- * @type {List}
- * @private
- */
- var _forms = new List();
-
- /**
- * list of dependencies grouped by the dependent node they belong to
- * @type {Dictionary}
- * @private
- */
- var _nodeDependencies = new Dictionary();
-
- /**
- * cache of validation-related properties of hidden form fields
- * @type {ObjectMap}
- * @private
- */
- var _validatedFieldProperties = new ObjectMap();
-
- return {
- /**
- * Hides the given node because of its own dependencies.
- *
- * @param {HTMLElement} node hidden node
- * @protected
- */
- _hide: function(node) {
- elHide(node);
- _dependencyHiddenNodes.add(node);
-
- // also hide tab menu entry
- if (node.classList.contains('tabMenuContent')) {
- elBySelAll('li', DomTraverse.prevByClass(node, 'tabMenu'), function(tabLink) {
- if (elData(tabLink, 'name') === elData(node, 'name')) {
- elHide(tabLink);
- }
- });
- }
-
- elBySelAll('[max], [maxlength], [min], [required]', node, function(validatedField) {
- var properties = new Dictionary();
-
- var max = elAttr(validatedField, 'max');
- if (max) {
- properties.set('max', max);
- validatedField.removeAttribute('max');
- }
-
- var maxlength = elAttr(validatedField, 'maxlength');
- if (maxlength) {
- properties.set('maxlength', maxlength);
- validatedField.removeAttribute('maxlength');
- }
-
- var min = elAttr(validatedField, 'min');
- if (min) {
- properties.set('min', min);
- validatedField.removeAttribute('min');
- }
-
- if (validatedField.required) {
- properties.set('required', true);
- validatedField.removeAttribute('required');
- }
-
- _validatedFieldProperties.set(validatedField, properties);
- });
- },
-
- /**
- * Shows the given node because of its own dependencies.
- *
- * @param {HTMLElement} node shown node
- * @protected
- */
- _show: function(node) {
- elShow(node);
- _dependencyHiddenNodes.delete(node);
-
- // also show tab menu entry
- if (node.classList.contains('tabMenuContent')) {
- elBySelAll('li', DomTraverse.prevByClass(node, 'tabMenu'), function(tabLink) {
- if (elData(tabLink, 'name') === elData(node, 'name')) {
- elShow(tabLink);
- }
- });
- }
-
- elBySelAll('input, select', node, function(validatedField) {
- // if a container is shown, ignore all fields that
- // have a hidden parent element within the container
- var parentNode = validatedField.parentNode;
- while (parentNode !== node && parentNode.style.getPropertyValue('display') !== 'none') {
- parentNode = parentNode.parentNode;
- }
-
- if (parentNode === node && _validatedFieldProperties.has(validatedField)) {
- var properties = _validatedFieldProperties.get(validatedField);
-
- if (properties.has('max')) {
- elAttr(validatedField, 'max', properties.get('max'));
- }
- if (properties.has('maxlength')) {
- elAttr(validatedField, 'maxlength', properties.get('maxlength'));
- }
- if (properties.has('min')) {
- elAttr(validatedField, 'min', properties.get('min'));
- }
- if (properties.has('required')) {
- elAttr(validatedField, 'required', '');
- }
-
- _validatedFieldProperties.delete(validatedField);
- }
- });
- },
-
- /**
- * Registers a new form field dependency.
- *
- * @param {WoltLabSuite/Core/Form/Builder/Field/Dependency/Abstract} dependency new dependency
- */
- addDependency: function(dependency) {
- var dependentNode = dependency.getDependentNode();
- if (!_nodeDependencies.has(dependentNode.id)) {
- _nodeDependencies.set(dependentNode.id, [dependency]);
- }
- else {
- _nodeDependencies.get(dependentNode.id).push(dependency);
- }
-
- var fields = dependency.getFields();
- for (var i = 0, length = fields.length; i < length; i++) {
- var field = fields[i];
- var id = DomUtil.identify(field);
-
- if (!_fields.has(id)) {
- _fields.set(id, field);
-
- if (field.tagName === 'INPUT' && (field.type === 'checkbox' || field.type === 'radio' || field.type === 'hidden')) {
- field.addEventListener('change', this.checkDependencies.bind(this));
- }
- else {
- field.addEventListener('input', this.checkDependencies.bind(this));
- }
- }
- }
- },
-
- /**
- * Checks if all dependencies are met.
- */
- checkDependencies: function() {
- var obsoleteNodeIds = [];
-
- _nodeDependencies.forEach(function(nodeDependencies, nodeId) {
- var dependentNode = elById(nodeId);
-
- // check if dependent node still exists
- if (dependentNode === null) {
- obsoleteNodeIds.push(nodeId);
- return;
- }
-
- for (var i = 0, length = nodeDependencies.length; i < length; i++) {
- // if any dependency is not met, hide the element
- if (!nodeDependencies[i].checkDependency()) {
- this._hide(dependentNode);
- return;
- }
- }
-
- // all node dependency is met
- this._show(dependentNode);
- }.bind(this));
-
- // delete dependencies for removed elements
- for (var i = 0, length = obsoleteNodeIds.length; i < length; i++) {
- _nodeDependencies.delete(obsoleteNodeIds[i]);
- }
-
- this.checkContainers();
- },
-
- /**
- * Adds the given callback to the list of callbacks called when checking containers.
- *
- * @param {function} callback
- */
- addContainerCheckCallback: function(callback) {
- if (typeof callback !== 'function') {
- throw new TypeError("Expected a valid callback for parameter 'callback'.");
- }
-
- EventHandler.add('com.woltlab.wcf.form.builder.dependency', 'checkContainers', callback);
- },
-
- /**
- * Checks the containers for their availability.
- *
- * If this function is called while containers are currently checked, the containers
- * will be checked after the current check has been finished completely.
- */
- checkContainers: function() {
- // check if containers are currently being checked
- if (_checkingContainers === true) {
- // and if that is the case, calling this method indicates, that after the current round,
- // containters should be checked to properly propagate changes in children to their parents
- _checkContainersAgain = true;
-
- return;
- }
-
- // starting to check containers also resets the flag to check containers again after the current check
- _checkingContainers = true;
- _checkContainersAgain = false;
-
- EventHandler.fire('com.woltlab.wcf.form.builder.dependency', 'checkContainers');
-
- // finish checking containers and check if containters should be checked again
- _checkingContainers = false;
- if (_checkContainersAgain) {
- this.checkContainers();
- }
- },
-
- /**
- * Returns `true` if the given node has been hidden because of its own dependencies.
- *
- * @param {HTMLElement} node checked node
- * @return {boolean}
- */
- isHiddenByDependencies: function(node) {
- if (_dependencyHiddenNodes.has(node)) {
- return true;
- }
-
- var returnValue = false;
- _dependencyHiddenNodes.forEach(function(hiddenNode) {
- if (DomUtil.contains(hiddenNode, node)) {
- returnValue = true;
- }
- });
-
- return returnValue;
- },
-
- /**
- * Registers the form with the given id with the dependency manager.
- *
- * @param {string} formId id of register form
- * @throws {Error} if given form id is invalid or has already been registered
- */
- register: function(formId) {
- var form = elById(formId);
-
- if (form === null) {
- throw new Error("Unknown element with id '" + formId + "'");
- }
-
- if (_forms.has(form)) {
- throw new Error("Form with id '" + formId + "' has already been registered.");
- }
-
- _forms.add(form);
- },
-
- /**
- * Unregisters the form with the given id and all of its dependencies.
- *
- * @param {string} formId id of unregistered form
- */
- unregister: function(formId) {
- var form = elById(formId);
-
- if (form === null) {
- throw new Error("Unknown element with id '" + formId + "'");
- }
-
- if (!_forms.has(form)) {
- throw new Error("Form with id '" + formId + "' has not been registered.");
- }
-
- _forms.delete(form);
-
- _dependencyHiddenNodes.forEach(function(hiddenNode) {
- if (form.contains(hiddenNode)) {
- _dependencyHiddenNodes.delete(hiddenNode);
- }
- });
- _nodeDependencies.forEach(function(dependencies, nodeId) {
- if (form.contains(elById(nodeId))) {
- _nodeDependencies.delete(nodeId);
- }
-
- for (var i = 0, length = dependencies.length; i < length; i++) {
- var fields = dependencies[i].getFields();
- for (var j = 0, fieldsLength = fields.length; j < fieldsLength; j++) {
- var field = fields[j];
-
- _fields.delete(field.id);
-
- _validatedFieldProperties.delete(field);
- }
- }
- });
- }
- };
+define(['Dictionary', 'Dom/ChangeListener', 'EventHandler', 'List', 'Dom/Traverse', 'Dom/Util', 'ObjectMap'], function (Dictionary, DomChangeListener, EventHandler, List, DomTraverse, DomUtil, ObjectMap) {
+ "use strict";
+ /**
+ * is `true` if containters are currently checked for their availablility, otherwise `false`
+ * @type {boolean}
+ * @private
+ */
+ var _checkingContainers = false;
+ /**
+ * is `true` if containter will be checked again after the current check for their availablility
+ * has finished, otherwise `false`
+ * @type {boolean}
+ * @private
+ */
+ var _checkContainersAgain = true;
+ /**
+ * list of containers hidden due to their own dependencies
+ * @type {List}
+ * @private
+ */
+ var _dependencyHiddenNodes = new List();
+ /**
+ * list of fields for which event listeners have been registered
+ * @type {Dictionary}
+ * @private
+ */
+ var _fields = new Dictionary();
+ /**
+ * list of registered forms
+ * @type {List}
+ * @private
+ */
+ var _forms = new List();
+ /**
+ * list of dependencies grouped by the dependent node they belong to
+ * @type {Dictionary}
+ * @private
+ */
+ var _nodeDependencies = new Dictionary();
+ /**
+ * cache of validation-related properties of hidden form fields
+ * @type {ObjectMap}
+ * @private
+ */
+ var _validatedFieldProperties = new ObjectMap();
+ return {
+ /**
+ * Hides the given node because of its own dependencies.
+ *
+ * @param {HTMLElement} node hidden node
+ * @protected
+ */
+ _hide: function (node) {
+ elHide(node);
+ _dependencyHiddenNodes.add(node);
+ // also hide tab menu entry
+ if (node.classList.contains('tabMenuContent')) {
+ elBySelAll('li', DomTraverse.prevByClass(node, 'tabMenu'), function (tabLink) {
+ if (elData(tabLink, 'name') === elData(node, 'name')) {
+ elHide(tabLink);
+ }
+ });
+ }
+ elBySelAll('[max], [maxlength], [min], [required]', node, function (validatedField) {
+ var properties = new Dictionary();
+ var max = elAttr(validatedField, 'max');
+ if (max) {
+ properties.set('max', max);
+ validatedField.removeAttribute('max');
+ }
+ var maxlength = elAttr(validatedField, 'maxlength');
+ if (maxlength) {
+ properties.set('maxlength', maxlength);
+ validatedField.removeAttribute('maxlength');
+ }
+ var min = elAttr(validatedField, 'min');
+ if (min) {
+ properties.set('min', min);
+ validatedField.removeAttribute('min');
+ }
+ if (validatedField.required) {
+ properties.set('required', true);
+ validatedField.removeAttribute('required');
+ }
+ _validatedFieldProperties.set(validatedField, properties);
+ });
+ },
+ /**
+ * Shows the given node because of its own dependencies.
+ *
+ * @param {HTMLElement} node shown node
+ * @protected
+ */
+ _show: function (node) {
+ elShow(node);
+ _dependencyHiddenNodes.delete(node);
+ // also show tab menu entry
+ if (node.classList.contains('tabMenuContent')) {
+ elBySelAll('li', DomTraverse.prevByClass(node, 'tabMenu'), function (tabLink) {
+ if (elData(tabLink, 'name') === elData(node, 'name')) {
+ elShow(tabLink);
+ }
+ });
+ }
+ elBySelAll('input, select', node, function (validatedField) {
+ // if a container is shown, ignore all fields that
+ // have a hidden parent element within the container
+ var parentNode = validatedField.parentNode;
+ while (parentNode !== node && parentNode.style.getPropertyValue('display') !== 'none') {
+ parentNode = parentNode.parentNode;
+ }
+ if (parentNode === node && _validatedFieldProperties.has(validatedField)) {
+ var properties = _validatedFieldProperties.get(validatedField);
+ if (properties.has('max')) {
+ elAttr(validatedField, 'max', properties.get('max'));
+ }
+ if (properties.has('maxlength')) {
+ elAttr(validatedField, 'maxlength', properties.get('maxlength'));
+ }
+ if (properties.has('min')) {
+ elAttr(validatedField, 'min', properties.get('min'));
+ }
+ if (properties.has('required')) {
+ elAttr(validatedField, 'required', '');
+ }
+ _validatedFieldProperties.delete(validatedField);
+ }
+ });
+ },
+ /**
+ * Registers a new form field dependency.
+ *
+ * @param {WoltLabSuite/Core/Form/Builder/Field/Dependency/Abstract} dependency new dependency
+ */
+ addDependency: function (dependency) {
+ var dependentNode = dependency.getDependentNode();
+ if (!_nodeDependencies.has(dependentNode.id)) {
+ _nodeDependencies.set(dependentNode.id, [dependency]);
+ }
+ else {
+ _nodeDependencies.get(dependentNode.id).push(dependency);
+ }
+ var fields = dependency.getFields();
+ for (var i = 0, length = fields.length; i < length; i++) {
+ var field = fields[i];
+ var id = DomUtil.identify(field);
+ if (!_fields.has(id)) {
+ _fields.set(id, field);
+ if (field.tagName === 'INPUT' && (field.type === 'checkbox' || field.type === 'radio' || field.type === 'hidden')) {
+ field.addEventListener('change', this.checkDependencies.bind(this));
+ }
+ else {
+ field.addEventListener('input', this.checkDependencies.bind(this));
+ }
+ }
+ }
+ },
+ /**
+ * Checks if all dependencies are met.
+ */
+ checkDependencies: function () {
- var obsoleteNodes = [];
++ var obsoleteNodeIds = [];
+ _nodeDependencies.forEach(function (nodeDependencies, nodeId) {
+ var dependentNode = elById(nodeId);
+ // check if dependent node still exists
+ if (dependentNode === null) {
- obsoleteNodes.push(dependentNode);
++ obsoleteNodeIds.push(nodeId);
+ return;
+ }
+ for (var i = 0, length = nodeDependencies.length; i < length; i++) {
+ // if any dependency is not met, hide the element
+ if (!nodeDependencies[i].checkDependency()) {
+ this._hide(dependentNode);
+ return;
+ }
+ }
+ // all node dependency is met
+ this._show(dependentNode);
+ }.bind(this));
+ // delete dependencies for removed elements
- for (var i = 0, length = obsoleteNodes.length; i < length; i++) {
- _nodeDependencies.delete(obsoleteNodes[i].id);
++ for (var i = 0, length = obsoleteNodeIds.length; i < length; i++) {
++ _nodeDependencies.delete(obsoleteNodeIds[i]);
+ }
+ this.checkContainers();
+ },
+ /**
+ * Adds the given callback to the list of callbacks called when checking containers.
+ *
+ * @param {function} callback
+ */
+ addContainerCheckCallback: function (callback) {
+ if (typeof callback !== 'function') {
+ throw new TypeError("Expected a valid callback for parameter 'callback'.");
+ }
+ EventHandler.add('com.woltlab.wcf.form.builder.dependency', 'checkContainers', callback);
+ },
+ /**
+ * Checks the containers for their availability.
+ *
+ * If this function is called while containers are currently checked, the containers
+ * will be checked after the current check has been finished completely.
+ */
+ checkContainers: function () {
+ // check if containers are currently being checked
+ if (_checkingContainers === true) {
+ // and if that is the case, calling this method indicates, that after the current round,
+ // containters should be checked to properly propagate changes in children to their parents
+ _checkContainersAgain = true;
+ return;
+ }
+ // starting to check containers also resets the flag to check containers again after the current check
+ _checkingContainers = true;
+ _checkContainersAgain = false;
+ EventHandler.fire('com.woltlab.wcf.form.builder.dependency', 'checkContainers');
+ // finish checking containers and check if containters should be checked again
+ _checkingContainers = false;
+ if (_checkContainersAgain) {
+ this.checkContainers();
+ }
+ },
+ /**
+ * Returns `true` if the given node has been hidden because of its own dependencies.
+ *
+ * @param {HTMLElement} node checked node
+ * @return {boolean}
+ */
+ isHiddenByDependencies: function (node) {
+ if (_dependencyHiddenNodes.has(node)) {
+ return true;
+ }
+ var returnValue = false;
+ _dependencyHiddenNodes.forEach(function (hiddenNode) {
+ if (DomUtil.contains(hiddenNode, node)) {
+ returnValue = true;
+ }
+ });
+ return returnValue;
+ },
+ /**
+ * Registers the form with the given id with the dependency manager.
+ *
+ * @param {string} formId id of register form
+ * @throws {Error} if given form id is invalid or has already been registered
+ */
+ register: function (formId) {
+ var form = elById(formId);
+ if (form === null) {
+ throw new Error("Unknown element with id '" + formId + "'");
+ }
+ if (_forms.has(form)) {
+ throw new Error("Form with id '" + formId + "' has already been registered.");
+ }
+ _forms.add(form);
+ },
+ /**
+ * Unregisters the form with the given id and all of its dependencies.
+ *
+ * @param {string} formId id of unregistered form
+ */
+ unregister: function (formId) {
+ var form = elById(formId);
+ if (form === null) {
+ throw new Error("Unknown element with id '" + formId + "'");
+ }
+ if (!_forms.has(form)) {
+ throw new Error("Form with id '" + formId + "' has not been registered.");
+ }
+ _forms.delete(form);
+ _dependencyHiddenNodes.forEach(function (hiddenNode) {
+ if (form.contains(hiddenNode)) {
+ _dependencyHiddenNodes.delete(hiddenNode);
+ }
+ });
+ _nodeDependencies.forEach(function (dependencies, nodeId) {
+ if (form.contains(elById(nodeId))) {
+ _nodeDependencies.delete(nodeId);
+ }
+ for (var i = 0, length = dependencies.length; i < length; i++) {
+ var fields = dependencies[i].getFields();
+ for (var j = 0, fieldsLength = fields.length; j < fieldsLength; j++) {
+ var field = fields[j];
+ _fields.delete(field.id);
+ _validatedFieldProperties.delete(field);
+ }
+ }
+ });
+ }
+ };
});
--- /dev/null
- var obsoleteNodes = [];
+/**
+ * Manages form field dependencies.
+ *
+ * @author Matthias Schmidt
+ * @copyright 2001-2019 WoltLab GmbH
+ * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @module WoltLabSuite/Core/Form/Builder/Field/Dependency/Manager
+ * @since 5.2
+ */
+define(['Dictionary', 'Dom/ChangeListener', 'EventHandler', 'List', 'Dom/Traverse', 'Dom/Util', 'ObjectMap'], function(Dictionary, DomChangeListener, EventHandler, List, DomTraverse, DomUtil, ObjectMap) {
+ "use strict";
+
+ /**
+ * is `true` if containters are currently checked for their availablility, otherwise `false`
+ * @type {boolean}
+ * @private
+ */
+ var _checkingContainers = false;
+
+ /**
+ * is `true` if containter will be checked again after the current check for their availablility
+ * has finished, otherwise `false`
+ * @type {boolean}
+ * @private
+ */
+ var _checkContainersAgain = true;
+
+ /**
+ * list of containers hidden due to their own dependencies
+ * @type {List}
+ * @private
+ */
+ var _dependencyHiddenNodes = new List();
+
+ /**
+ * list of fields for which event listeners have been registered
+ * @type {Dictionary}
+ * @private
+ */
+ var _fields = new Dictionary();
+
+ /**
+ * list of registered forms
+ * @type {List}
+ * @private
+ */
+ var _forms = new List();
+
+ /**
+ * list of dependencies grouped by the dependent node they belong to
+ * @type {Dictionary}
+ * @private
+ */
+ var _nodeDependencies = new Dictionary();
+
+ /**
+ * cache of validation-related properties of hidden form fields
+ * @type {ObjectMap}
+ * @private
+ */
+ var _validatedFieldProperties = new ObjectMap();
+
+ return {
+ /**
+ * Hides the given node because of its own dependencies.
+ *
+ * @param {HTMLElement} node hidden node
+ * @protected
+ */
+ _hide: function(node) {
+ elHide(node);
+ _dependencyHiddenNodes.add(node);
+
+ // also hide tab menu entry
+ if (node.classList.contains('tabMenuContent')) {
+ elBySelAll('li', DomTraverse.prevByClass(node, 'tabMenu'), function(tabLink) {
+ if (elData(tabLink, 'name') === elData(node, 'name')) {
+ elHide(tabLink);
+ }
+ });
+ }
+
+ elBySelAll('[max], [maxlength], [min], [required]', node, function(validatedField) {
+ var properties = new Dictionary();
+
+ var max = elAttr(validatedField, 'max');
+ if (max) {
+ properties.set('max', max);
+ validatedField.removeAttribute('max');
+ }
+
+ var maxlength = elAttr(validatedField, 'maxlength');
+ if (maxlength) {
+ properties.set('maxlength', maxlength);
+ validatedField.removeAttribute('maxlength');
+ }
+
+ var min = elAttr(validatedField, 'min');
+ if (min) {
+ properties.set('min', min);
+ validatedField.removeAttribute('min');
+ }
+
+ if (validatedField.required) {
+ properties.set('required', true);
+ validatedField.removeAttribute('required');
+ }
+
+ _validatedFieldProperties.set(validatedField, properties);
+ });
+ },
+
+ /**
+ * Shows the given node because of its own dependencies.
+ *
+ * @param {HTMLElement} node shown node
+ * @protected
+ */
+ _show: function(node) {
+ elShow(node);
+ _dependencyHiddenNodes.delete(node);
+
+ // also show tab menu entry
+ if (node.classList.contains('tabMenuContent')) {
+ elBySelAll('li', DomTraverse.prevByClass(node, 'tabMenu'), function(tabLink) {
+ if (elData(tabLink, 'name') === elData(node, 'name')) {
+ elShow(tabLink);
+ }
+ });
+ }
+
+ elBySelAll('input, select', node, function(validatedField) {
+ // if a container is shown, ignore all fields that
+ // have a hidden parent element within the container
+ var parentNode = validatedField.parentNode;
+ while (parentNode !== node && parentNode.style.getPropertyValue('display') !== 'none') {
+ parentNode = parentNode.parentNode;
+ }
+
+ if (parentNode === node && _validatedFieldProperties.has(validatedField)) {
+ var properties = _validatedFieldProperties.get(validatedField);
+
+ if (properties.has('max')) {
+ elAttr(validatedField, 'max', properties.get('max'));
+ }
+ if (properties.has('maxlength')) {
+ elAttr(validatedField, 'maxlength', properties.get('maxlength'));
+ }
+ if (properties.has('min')) {
+ elAttr(validatedField, 'min', properties.get('min'));
+ }
+ if (properties.has('required')) {
+ elAttr(validatedField, 'required', '');
+ }
+
+ _validatedFieldProperties.delete(validatedField);
+ }
+ });
+ },
+
+ /**
+ * Registers a new form field dependency.
+ *
+ * @param {WoltLabSuite/Core/Form/Builder/Field/Dependency/Abstract} dependency new dependency
+ */
+ addDependency: function(dependency) {
+ var dependentNode = dependency.getDependentNode();
+ if (!_nodeDependencies.has(dependentNode.id)) {
+ _nodeDependencies.set(dependentNode.id, [dependency]);
+ }
+ else {
+ _nodeDependencies.get(dependentNode.id).push(dependency);
+ }
+
+ var fields = dependency.getFields();
+ for (var i = 0, length = fields.length; i < length; i++) {
+ var field = fields[i];
+ var id = DomUtil.identify(field);
+
+ if (!_fields.has(id)) {
+ _fields.set(id, field);
+
+ if (field.tagName === 'INPUT' && (field.type === 'checkbox' || field.type === 'radio' || field.type === 'hidden')) {
+ field.addEventListener('change', this.checkDependencies.bind(this));
+ }
+ else {
+ field.addEventListener('input', this.checkDependencies.bind(this));
+ }
+ }
+ }
+ },
+
+ /**
+ * Checks if all dependencies are met.
+ */
+ checkDependencies: function() {
- obsoleteNodes.push(dependentNode);
++ var obsoleteNodeIds = [];
+
+ _nodeDependencies.forEach(function(nodeDependencies, nodeId) {
+ var dependentNode = elById(nodeId);
+
+ // check if dependent node still exists
+ if (dependentNode === null) {
- for (var i = 0, length = obsoleteNodes.length; i < length; i++) {
- _nodeDependencies.delete(obsoleteNodes[i].id);
++ obsoleteNodeIds.push(nodeId);
+ return;
+ }
+
+ for (var i = 0, length = nodeDependencies.length; i < length; i++) {
+ // if any dependency is not met, hide the element
+ if (!nodeDependencies[i].checkDependency()) {
+ this._hide(dependentNode);
+ return;
+ }
+ }
+
+ // all node dependency is met
+ this._show(dependentNode);
+ }.bind(this));
+
+ // delete dependencies for removed elements
++ for (var i = 0, length = obsoleteNodeIds.length; i < length; i++) {
++ _nodeDependencies.delete(obsoleteNodeIds[i]);
+ }
+
+ this.checkContainers();
+ },
+
+ /**
+ * Adds the given callback to the list of callbacks called when checking containers.
+ *
+ * @param {function} callback
+ */
+ addContainerCheckCallback: function(callback) {
+ if (typeof callback !== 'function') {
+ throw new TypeError("Expected a valid callback for parameter 'callback'.");
+ }
+
+ EventHandler.add('com.woltlab.wcf.form.builder.dependency', 'checkContainers', callback);
+ },
+
+ /**
+ * Checks the containers for their availability.
+ *
+ * If this function is called while containers are currently checked, the containers
+ * will be checked after the current check has been finished completely.
+ */
+ checkContainers: function() {
+ // check if containers are currently being checked
+ if (_checkingContainers === true) {
+ // and if that is the case, calling this method indicates, that after the current round,
+ // containters should be checked to properly propagate changes in children to their parents
+ _checkContainersAgain = true;
+
+ return;
+ }
+
+ // starting to check containers also resets the flag to check containers again after the current check
+ _checkingContainers = true;
+ _checkContainersAgain = false;
+
+ EventHandler.fire('com.woltlab.wcf.form.builder.dependency', 'checkContainers');
+
+ // finish checking containers and check if containters should be checked again
+ _checkingContainers = false;
+ if (_checkContainersAgain) {
+ this.checkContainers();
+ }
+ },
+
+ /**
+ * Returns `true` if the given node has been hidden because of its own dependencies.
+ *
+ * @param {HTMLElement} node checked node
+ * @return {boolean}
+ */
+ isHiddenByDependencies: function(node) {
+ if (_dependencyHiddenNodes.has(node)) {
+ return true;
+ }
+
+ var returnValue = false;
+ _dependencyHiddenNodes.forEach(function(hiddenNode) {
+ if (DomUtil.contains(hiddenNode, node)) {
+ returnValue = true;
+ }
+ });
+
+ return returnValue;
+ },
+
+ /**
+ * Registers the form with the given id with the dependency manager.
+ *
+ * @param {string} formId id of register form
+ * @throws {Error} if given form id is invalid or has already been registered
+ */
+ register: function(formId) {
+ var form = elById(formId);
+
+ if (form === null) {
+ throw new Error("Unknown element with id '" + formId + "'");
+ }
+
+ if (_forms.has(form)) {
+ throw new Error("Form with id '" + formId + "' has already been registered.");
+ }
+
+ _forms.add(form);
+ },
+
+ /**
+ * Unregisters the form with the given id and all of its dependencies.
+ *
+ * @param {string} formId id of unregistered form
+ */
+ unregister: function(formId) {
+ var form = elById(formId);
+
+ if (form === null) {
+ throw new Error("Unknown element with id '" + formId + "'");
+ }
+
+ if (!_forms.has(form)) {
+ throw new Error("Form with id '" + formId + "' has not been registered.");
+ }
+
+ _forms.delete(form);
+
+ _dependencyHiddenNodes.forEach(function(hiddenNode) {
+ if (form.contains(hiddenNode)) {
+ _dependencyHiddenNodes.delete(hiddenNode);
+ }
+ });
+ _nodeDependencies.forEach(function(dependencies, nodeId) {
+ if (form.contains(elById(nodeId))) {
+ _nodeDependencies.delete(nodeId);
+ }
+
+ for (var i = 0, length = dependencies.length; i < length; i++) {
+ var fields = dependencies[i].getFields();
+ for (var j = 0, fieldsLength = fields.length; j < fieldsLength; j++) {
+ var field = fields[j];
+
+ _fields.delete(field.id);
+
+ _validatedFieldProperties.delete(field);
+ }
+ }
+ });
+ }
+ };
+});
projects / GitHub / WoltLab / WCF.git / commitdiff