From 96aad50340b4d0374979ac981cd1c481cc8dcd94 Mon Sep 17 00:00:00 2001 From: toasted-nutbread Date: Tue, 26 Nov 2019 18:47:16 -0500 Subject: Create DOM utility file --- ext/mixed/js/dom.js | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 ext/mixed/js/dom.js (limited to 'ext/mixed/js') diff --git a/ext/mixed/js/dom.js b/ext/mixed/js/dom.js new file mode 100644 index 00000000..4525dace --- /dev/null +++ b/ext/mixed/js/dom.js @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2019 Alex Yatskov + * Author: Alex Yatskov + * + * 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 . + */ + + +class DOM { + static isPointInRect(x, y, rect) { + return ( + x >= rect.left && x < rect.right && + y >= rect.top && y < rect.bottom + ); + } + + static isPointInAnyRect(x, y, rects) { + for (const rect of rects) { + if (DOM.isPointInRect(x, y, rect)) { + return true; + } + } + return false; + } + + static isPointInSelection(x, y, selection) { + for (let i = 0; i < selection.rangeCount; ++i) { + const range = selection.getRangeAt(i); + if (DOM.isPointInAnyRect(x, y, range.getClientRects())) { + return true; + } + } + return false; + } +} -- cgit v1.2.3