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Diffstat (limited to 'ext/mixed/js/popup-menu.js')
| -rw-r--r-- | ext/mixed/js/popup-menu.js | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/ext/mixed/js/popup-menu.js b/ext/mixed/js/popup-menu.js deleted file mode 100644 index 9ad4e260..00000000 --- a/ext/mixed/js/popup-menu.js +++ /dev/null @@ -1,206 +0,0 @@ -/* - * 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/>. - */ - -class PopupMenu extends EventDispatcher { - constructor(sourceElement, containerNode) { - super(); - this._sourceElement = sourceElement; - this._containerNode = containerNode; - this._node = containerNode.querySelector('.popup-menu'); - this._bodyNode = containerNode.querySelector('.popup-menu-body'); - this._isClosed = false; - this._eventListeners = new EventListenerCollection(); - } - - get sourceElement() { - return this._sourceElement; - } - - get containerNode() { - return this._containerNode; - } - - get node() { - return this._node; - } - - get bodyNode() { - return this._bodyNode; - } - - get isClosed() { - return this._isClosed; - } - - prepare() { - const items = this._bodyNode.querySelectorAll('.popup-menu-item'); - this._setPosition(); - this._containerNode.focus(); - - this._eventListeners.addEventListener(window, 'resize', this._onWindowResize.bind(this), false); - this._eventListeners.addEventListener(this._containerNode, 'click', this._onMenuContainerClick.bind(this), false); - - const onMenuItemClick = this._onMenuItemClick.bind(this); - for (const item of items) { - this._eventListeners.addEventListener(item, 'click', onMenuItemClick, false); - } - - PopupMenu.openMenus.add(this); - - this._sourceElement.dispatchEvent(new CustomEvent('menuOpen', { - bubbles: false, - cancelable: false, - detail: {menu: this} - })); - } - - close(cancelable=true) { - return this._close(null, 'close', cancelable); - } - - // Private - - _onMenuContainerClick(e) { - if (e.currentTarget !== e.target) { return; } - e.stopPropagation(); - e.preventDefault(); - this._close(null, 'outside', true); - } - - _onMenuItemClick(e) { - const item = e.currentTarget; - if (item.disabled) { return; } - e.stopPropagation(); - e.preventDefault(); - this._close(item, 'item', true); - } - - _onWindowResize() { - this._close(null, 'resize', true); - } - - _setPosition() { - // Get flags - let horizontal = 1; - let vertical = 1; - let horizontalCover = 1; - let verticalCover = 1; - const positionInfo = this._sourceElement.dataset.menuPosition; - if (typeof positionInfo === 'string') { - const positionInfoSet = new Set(positionInfo.split(' ')); - - if (positionInfoSet.has('left')) { - horizontal = -1; - } else if (positionInfoSet.has('right')) { - horizontal = 1; - } else if (positionInfoSet.has('h-center')) { - horizontal = 0; - } - - if (positionInfoSet.has('above')) { - vertical = -1; - } else if (positionInfoSet.has('below')) { - vertical = 1; - } else if (positionInfoSet.has('v-center')) { - vertical = 0; - } - - if (positionInfoSet.has('cover')) { - horizontalCover = 1; - verticalCover = 1; - } else if (positionInfoSet.has('no-cover')) { - horizontalCover = -1; - verticalCover = -1; - } - - if (positionInfoSet.has('h-cover')) { - horizontalCover = 1; - } else if (positionInfoSet.has('no-h-cover')) { - horizontalCover = -1; - } - - if (positionInfoSet.has('v-cover')) { - verticalCover = 1; - } else if (positionInfoSet.has('no-v-cover')) { - verticalCover = -1; - } - } - - // Position - const menu = this._node; - const fullRect = this._containerNode.getBoundingClientRect(); - const sourceRect = this._sourceElement.getBoundingClientRect(); - const menuRect = menu.getBoundingClientRect(); - let top = menuRect.top; - let bottom = menuRect.bottom; - if (verticalCover === 1) { - const bodyRect = this._bodyNode.getBoundingClientRect(); - top = bodyRect.top; - bottom = bodyRect.bottom; - } - - let x = ( - sourceRect.left + - sourceRect.width * ((-horizontal * horizontalCover + 1) * 0.5) + - menuRect.width * ((-horizontal + 1) * -0.5) - ); - let y = ( - sourceRect.top + - (menuRect.top - top) + - sourceRect.height * ((-vertical * verticalCover + 1) * 0.5) + - (bottom - top) * ((-vertical + 1) * -0.5) - ); - - x = Math.max(0.0, Math.min(fullRect.width - menuRect.width, x)); - y = Math.max(0.0, Math.min(fullRect.height - menuRect.height, y)); - - menu.style.left = `${x}px`; - menu.style.top = `${y}px`; - } - - _close(item, cause, cancelable) { - if (this._isClosed) { return true; } - const action = (item !== null ? item.dataset.menuAction : null); - - const detail = { - menu: this, - item, - action, - cause - }; - const result = this._sourceElement.dispatchEvent(new CustomEvent('menuClose', {bubbles: false, cancelable, detail})); - if (cancelable && !result) { return false; } - - PopupMenu.openMenus.delete(this); - - this._isClosed = true; - this._eventListeners.removeAllEventListeners(); - if (this._containerNode.parentNode !== null) { - this._containerNode.parentNode.removeChild(this._containerNode); - } - - this.trigger('close', detail); - return true; - } -} - -Object.defineProperty(PopupMenu, 'openMenus', { - configurable: false, - enumerable: true, - writable: false, - value: new Set() -}); |