yomichan/ext/bg/js/settings/conditions-ui.js

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/*
* Copyright (C) 2019-2020 Yomichan Authors
*
* 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
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
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/* global
* DocumentUtil
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* conditionsNormalizeOptionValue
*/
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));
}
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this.addButton.on('click', this.onAddConditionGroup.bind(this));
}
cleanup() {
for (const child of this.children) {
child.cleanup();
}
this.addButton.off('click');
this.container.empty();
}
save() {
// Override
}
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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() {
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const conditionGroup = this.isolate({
conditions: [this.createDefaultCondition(this.conditionNameDefault)]
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});
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: this.isolate(operatorDescriptor.defaultValue), fromOperator: true};
}
}
if (hasOwn(conditionDescriptor, 'defaultValue')) {
return {value: this.isolate(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));
}
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this.addButton.on('click', this.onAddCondition.bind(this));
}
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();
}
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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() {
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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('.condition-input');
this.inputInner = null;
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();
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this.typeSelect.on('change', this.onConditionTypeChanged.bind(this));
this.operatorSelect.on('change', this.onConditionOperatorChanged.bind(this));
this.removeButton.on('click', this.onRemoveClicked.bind(this));
}
cleanup() {
this.inputInner.off('change');
this.typeSelect.off('change');
this.operatorSelect.off('change');
this.removeButton.off('click');
this.container.remove();
}
save() {
this.parent.save();
}
isolate(object) {
return this.parent.isolate(object);
}
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 objects = [];
let inputType = null;
if (hasOwn(conditionDescriptors, type)) {
const conditionDescriptor = conditionDescriptors[type];
objects.push(conditionDescriptor);
if (hasOwn(conditionDescriptor, 'type')) {
inputType = conditionDescriptor.type;
}
if (hasOwn(conditionDescriptor.operators, operator)) {
const operatorDescriptor = conditionDescriptor.operators[operator];
objects.push(operatorDescriptor);
if (hasOwn(operatorDescriptor, 'type')) {
inputType = operatorDescriptor.type;
}
}
}
this.input.empty();
if (inputType === 'select') {
this.inputInner = this.createSelectElement(objects);
} else if (inputType === 'keyMulti') {
this.inputInner = this.createInputKeyMultiElement(objects);
} else {
this.inputInner = this.createInputElement(objects);
}
this.inputInner.appendTo(this.input);
this.inputInner.on('change', this.onInputChanged.bind(this));
const {valid, value} = this.validateValue(this.condition.value);
this.inputInner.toggleClass('is-invalid', !valid);
this.inputInner.val(value);
}
createInputElement(objects) {
const inputInner = ConditionsUI.instantiateTemplate('#condition-input-text-template');
const props = new Map([
['placeholder', ''],
['type', 'text']
]);
for (const object of objects) {
if (hasOwn(object, 'placeholder')) {
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props.set('placeholder', object.placeholder);
}
if (object.type === 'number') {
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props.set('type', 'number');
for (const prop of ['step', 'min', 'max']) {
if (hasOwn(object, prop)) {
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props.set(prop, object[prop]);
}
}
}
}
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for (const [prop, value] of props.entries()) {
inputInner.prop(prop, value);
}
return inputInner;
}
createInputKeyMultiElement(objects) {
const inputInner = this.createInputElement(objects);
inputInner.prop('readonly', true);
let values = [];
let keySeparator = ' + ';
for (const object of objects) {
if (hasOwn(object, 'values')) {
values = object.values;
}
if (hasOwn(object, 'keySeparator')) {
keySeparator = object.keySeparator;
}
}
const pressedKeyIndices = new Set();
const onKeyDown = ({originalEvent}) => {
const pressedKeyEventName = DocumentUtil.getKeyFromEvent(originalEvent);
if (pressedKeyEventName === 'Escape' || pressedKeyEventName === 'Backspace') {
pressedKeyIndices.clear();
inputInner.val('');
inputInner.change();
return;
}
const pressedModifiers = DocumentUtil.getActiveModifiers(originalEvent);
// https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/metaKey
// https://askubuntu.com/questions/567731/why-is-shift-alt-being-mapped-to-meta
// It works with mouse events on some platforms, so try to determine if metaKey is pressed
// hack; only works when Shift and Alt are not pressed
const isMetaKeyChrome = (
pressedKeyEventName === 'Meta' &&
getSetDifference(new Set(['shift', 'alt']), pressedModifiers).size !== 0
);
if (isMetaKeyChrome) {
pressedModifiers.add('meta');
}
for (const modifier of pressedModifiers) {
const foundIndex = values.findIndex(({optionValue}) => optionValue === modifier);
if (foundIndex !== -1) {
pressedKeyIndices.add(foundIndex);
}
}
const inputValue = [...pressedKeyIndices].map((i) => values[i].name).join(keySeparator);
inputInner.val(inputValue);
inputInner.change();
};
inputInner.on('keydown', onKeyDown);
return inputInner;
}
createSelectElement(objects) {
const inputInner = ConditionsUI.instantiateTemplate('#condition-input-select-template');
const data = new Map([
['values', []],
['defaultValue', null]
]);
for (const object of objects) {
if (hasOwn(object, 'values')) {
data.set('values', object.values);
}
if (hasOwn(object, 'defaultValue')) {
data.set('defaultValue', this.isolate(object.defaultValue));
}
}
for (const {optionValue, name} of data.get('values')) {
const option = ConditionsUI.instantiateTemplate('#condition-input-option-template');
option.attr('value', optionValue);
option.text(name);
option.appendTo(inputInner);
}
const defaultValue = data.get('defaultValue');
if (defaultValue !== null) {
inputInner.val(this.isolate(defaultValue));
}
return inputInner;
}
validateValue(value, isInput=false) {
const conditionDescriptors = this.parent.parent.conditionDescriptors;
let valid = true;
let inputTransformedValue = null;
try {
[value, inputTransformedValue] = conditionsNormalizeOptionValue(
conditionDescriptors,
this.condition.type,
this.condition.operator,
value,
isInput
);
} catch (e) {
valid = false;
}
return {valid, value, inputTransformedValue};
}
onInputChanged() {
const {valid, value, inputTransformedValue} = this.validateValue(this.inputInner.val(), true);
this.inputInner.toggleClass('is-invalid', !valid);
this.inputInner.val(value);
this.condition.value = inputTransformedValue !== null ? inputTransformedValue : 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();
}
};