yomichan/ext/bg/js/conditions-ui.js
2019-09-18 19:14:04 -04:00

327 lines
11 KiB
JavaScript

/*
* 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 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 (this.conditionDescriptors.hasOwnProperty(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 (this.conditionDescriptors.hasOwnProperty(type)) {
const conditionDescriptor = this.conditionDescriptors[type];
if (conditionDescriptor.operators.hasOwnProperty(operator)) {
const operatorDescriptor = conditionDescriptor.operators[operator];
if (operatorDescriptor.hasOwnProperty('defaultValue')) {
return {value: operatorDescriptor.defaultValue, fromOperator: true};
}
}
if (conditionDescriptor.hasOwnProperty('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 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 (conditionDescriptors.hasOwnProperty(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 (conditionDescriptors.hasOwnProperty(type)) {
const conditionDescriptor = conditionDescriptors[type];
objects.push(conditionDescriptor);
if (conditionDescriptor.operators.hasOwnProperty(operator)) {
const operatorDescriptor = conditionDescriptor.operators[operator];
objects.push(operatorDescriptor);
}
}
for (const object of objects) {
if (object.hasOwnProperty('placeholder')) {
props.placeholder = object.placeholder;
}
if (object.type === 'number') {
props.type = 'number';
for (const prop of ['step', 'min', 'max']) {
if (object.hasOwnProperty(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();
}
};