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