yomichan/ext/js/pages/settings/modal.js

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JavaScript
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/*
* Copyright (C) 2020-2021 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
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/* global
* PanelElement
*/
class Modal extends PanelElement {
constructor(node) {
super({
node,
closingAnimationDuration: 375 // Milliseconds; includes buffer
});
this._contentNode = null;
this._canCloseOnClick = false;
}
prepare() {
const node = this.node;
this._contentNode = node.querySelector('.modal-content');
let dimmerNode = node.querySelector('.modal-content-dimmer');
if (dimmerNode === null) { dimmerNode = node; }
dimmerNode.addEventListener('mousedown', this._onModalContainerMouseDown.bind(this), false);
dimmerNode.addEventListener('mouseup', this._onModalContainerMouseUp.bind(this), false);
dimmerNode.addEventListener('click', this._onModalContainerClick.bind(this), false);
for (const actionNode of node.querySelectorAll('[data-modal-action]')) {
actionNode.addEventListener('click', this._onActionNodeClick.bind(this), false);
}
}
// Private
_onModalContainerMouseDown(e) {
this._canCloseOnClick = (e.currentTarget === e.target);
}
_onModalContainerMouseUp(e) {
if (!this._canCloseOnClick) { return; }
this._canCloseOnClick = (e.currentTarget === e.target);
}
_onModalContainerClick(e) {
if (!this._canCloseOnClick) { return; }
this._canCloseOnClick = false;
if (e.currentTarget !== e.target) { return; }
this.setVisible(false);
}
_onActionNodeClick(e) {
const {modalAction} = e.currentTarget.dataset;
switch (modalAction) {
case 'expand':
this._setExpanded(true);
break;
case 'collapse':
this._setExpanded(false);
break;
}
}
_setExpanded(expanded) {
if (this._contentNode === null) { return; }
this._contentNode.classList.toggle('modal-content-full', expanded);
}
}