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+/*
+ * Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+class ConditionsUI {
+ static instantiateTemplate(templateSelector) {
+ const template = document.querySelector(templateSelector);
+ const content = document.importNode(template.content, true);
+ return $(content.firstChild);
+ }
+}
+
+ConditionsUI.Container = class Container {
+ constructor(conditionDescriptors, conditionNameDefault, conditionGroups, container, addButton) {
+ this.children = [];
+ this.conditionDescriptors = conditionDescriptors;
+ this.conditionNameDefault = conditionNameDefault;
+ this.conditionGroups = conditionGroups;
+ this.container = container;
+ this.addButton = addButton;
+
+ this.container.empty();
+
+ for (const conditionGroup of toIterable(conditionGroups)) {
+ this.children.push(new ConditionsUI.ConditionGroup(this, conditionGroup));
+ }
+
+ this.addButton.on('click', () => this.onAddConditionGroup());
+ }
+
+ cleanup() {
+ for (const child of this.children) {
+ child.cleanup();
+ }
+
+ this.addButton.off('click');
+ this.container.empty();
+ }
+
+ save() {
+ // Override
+ }
+
+ isolate(object) {
+ // Override
+ return object;
+ }
+
+ remove(child) {
+ const index = this.children.indexOf(child);
+ if (index < 0) {
+ return;
+ }
+
+ child.cleanup();
+ this.children.splice(index, 1);
+ this.conditionGroups.splice(index, 1);
+ }
+
+ onAddConditionGroup() {
+ const conditionGroup = this.isolate({
+ conditions: [this.createDefaultCondition(this.conditionNameDefault)]
+ });
+ this.conditionGroups.push(conditionGroup);
+ this.save();
+ this.children.push(new ConditionsUI.ConditionGroup(this, conditionGroup));
+ }
+
+ createDefaultCondition(type) {
+ let operator = '';
+ let value = '';
+ if (hasOwn(this.conditionDescriptors, type)) {
+ const conditionDescriptor = this.conditionDescriptors[type];
+ operator = conditionDescriptor.defaultOperator;
+ ({value} = this.getOperatorDefaultValue(type, operator));
+ if (typeof value === 'undefined') {
+ value = '';
+ }
+ }
+ return {type, operator, value};
+ }
+
+ getOperatorDefaultValue(type, operator) {
+ if (hasOwn(this.conditionDescriptors, type)) {
+ const conditionDescriptor = this.conditionDescriptors[type];
+ if (hasOwn(conditionDescriptor.operators, operator)) {
+ const operatorDescriptor = conditionDescriptor.operators[operator];
+ if (hasOwn(operatorDescriptor, 'defaultValue')) {
+ return {value: operatorDescriptor.defaultValue, fromOperator: true};
+ }
+ }
+ if (hasOwn(conditionDescriptor, 'defaultValue')) {
+ return {value: conditionDescriptor.defaultValue, fromOperator: false};
+ }
+ }
+ return {fromOperator: false};
+ }
+};
+
+ConditionsUI.ConditionGroup = class ConditionGroup {
+ constructor(parent, conditionGroup) {
+ this.parent = parent;
+ this.children = [];
+ this.conditionGroup = conditionGroup;
+ this.container = $('<div>').addClass('condition-group').appendTo(parent.container);
+ this.options = ConditionsUI.instantiateTemplate('#condition-group-options-template').appendTo(parent.container);
+ this.separator = ConditionsUI.instantiateTemplate('#condition-group-separator-template').appendTo(parent.container);
+ this.addButton = this.options.find('.condition-add');
+
+ for (const condition of toIterable(conditionGroup.conditions)) {
+ this.children.push(new ConditionsUI.Condition(this, condition));
+ }
+
+ this.addButton.on('click', () => this.onAddCondition());
+ }
+
+ cleanup() {
+ for (const child of this.children) {
+ child.cleanup();
+ }
+
+ this.addButton.off('click');
+ this.container.remove();
+ this.options.remove();
+ this.separator.remove();
+ }
+
+ save() {
+ this.parent.save();
+ }
+
+ isolate(object) {
+ return this.parent.isolate(object);
+ }
+
+ remove(child) {
+ const index = this.children.indexOf(child);
+ if (index < 0) {
+ return;
+ }
+
+ child.cleanup();
+ this.children.splice(index, 1);
+ this.conditionGroup.conditions.splice(index, 1);
+
+ if (this.children.length === 0) {
+ this.parent.remove(this, false);
+ }
+ }
+
+ onAddCondition() {
+ const condition = this.isolate(this.parent.createDefaultCondition(this.parent.conditionNameDefault));
+ this.conditionGroup.conditions.push(condition);
+ this.children.push(new ConditionsUI.Condition(this, condition));
+ }
+};
+
+ConditionsUI.Condition = class Condition {
+ constructor(parent, condition) {
+ this.parent = parent;
+ this.condition = condition;
+ this.container = ConditionsUI.instantiateTemplate('#condition-template').appendTo(parent.container);
+ this.input = this.container.find('input');
+ this.typeSelect = this.container.find('.condition-type');
+ this.operatorSelect = this.container.find('.condition-operator');
+ this.removeButton = this.container.find('.condition-remove');
+
+ this.updateTypes();
+ this.updateOperators();
+ this.updateInput();
+
+ this.input.on('change', () => this.onInputChanged());
+ this.typeSelect.on('change', () => this.onConditionTypeChanged());
+ this.operatorSelect.on('change', () => this.onConditionOperatorChanged());
+ this.removeButton.on('click', () => this.onRemoveClicked());
+ }
+
+ cleanup() {
+ this.input.off('change');
+ this.typeSelect.off('change');
+ this.operatorSelect.off('change');
+ this.removeButton.off('click');
+ this.container.remove();
+ }
+
+ save() {
+ this.parent.save();
+ }
+
+ updateTypes() {
+ const conditionDescriptors = this.parent.parent.conditionDescriptors;
+ const optionGroup = this.typeSelect.find('optgroup');
+ optionGroup.empty();
+ for (const type of Object.keys(conditionDescriptors)) {
+ const conditionDescriptor = conditionDescriptors[type];
+ $('<option>').val(type).text(conditionDescriptor.name).appendTo(optionGroup);
+ }
+ this.typeSelect.val(this.condition.type);
+ }
+
+ updateOperators() {
+ const conditionDescriptors = this.parent.parent.conditionDescriptors;
+ const optionGroup = this.operatorSelect.find('optgroup');
+ optionGroup.empty();
+
+ const type = this.condition.type;
+ if (hasOwn(conditionDescriptors, type)) {
+ const conditionDescriptor = conditionDescriptors[type];
+ const operators = conditionDescriptor.operators;
+ for (const operatorName of Object.keys(operators)) {
+ const operatorDescriptor = operators[operatorName];
+ $('<option>').val(operatorName).text(operatorDescriptor.name).appendTo(optionGroup);
+ }
+ }
+
+ this.operatorSelect.val(this.condition.operator);
+ }
+
+ updateInput() {
+ const conditionDescriptors = this.parent.parent.conditionDescriptors;
+ const {type, operator} = this.condition;
+ const props = {
+ placeholder: '',
+ type: 'text'
+ };
+
+ const objects = [];
+ if (hasOwn(conditionDescriptors, type)) {
+ const conditionDescriptor = conditionDescriptors[type];
+ objects.push(conditionDescriptor);
+ if (hasOwn(conditionDescriptor.operators, operator)) {
+ const operatorDescriptor = conditionDescriptor.operators[operator];
+ objects.push(operatorDescriptor);
+ }
+ }
+
+ for (const object of objects) {
+ if (hasOwn(object, 'placeholder')) {
+ props.placeholder = object.placeholder;
+ }
+ if (object.type === 'number') {
+ props.type = 'number';
+ for (const prop of ['step', 'min', 'max']) {
+ if (hasOwn(object, prop)) {
+ props[prop] = object[prop];
+ }
+ }
+ }
+ }
+
+ for (const prop in props) {
+ this.input.prop(prop, props[prop]);
+ }
+
+ const {valid} = this.validateValue(this.condition.value);
+ this.input.toggleClass('is-invalid', !valid);
+ this.input.val(this.condition.value);
+ }
+
+ validateValue(value) {
+ const conditionDescriptors = this.parent.parent.conditionDescriptors;
+ let valid = true;
+ try {
+ value = conditionsNormalizeOptionValue(
+ conditionDescriptors,
+ this.condition.type,
+ this.condition.operator,
+ value
+ );
+ } catch (e) {
+ valid = false;
+ }
+ return {valid, value};
+ }
+
+ onInputChanged() {
+ const {valid, value} = this.validateValue(this.input.val());
+ this.input.toggleClass('is-invalid', !valid);
+ this.input.val(value);
+ this.condition.value = value;
+ this.save();
+ }
+
+ onConditionTypeChanged() {
+ const type = this.typeSelect.val();
+ const {operator, value} = this.parent.parent.createDefaultCondition(type);
+ this.condition.type = type;
+ this.condition.operator = operator;
+ this.condition.value = value;
+ this.save();
+ this.updateOperators();
+ this.updateInput();
+ }
+
+ onConditionOperatorChanged() {
+ const type = this.condition.type;
+ const operator = this.operatorSelect.val();
+ const {value, fromOperator} = this.parent.parent.getOperatorDefaultValue(type, operator);
+ this.condition.operator = operator;
+ if (fromOperator) {
+ this.condition.value = value;
+ }
+ this.save();
+ this.updateInput();
+ }
+
+ onRemoveClicked() {
+ this.parent.remove(this);
+ this.save();
+ }
+};