/* * Copyright (C) 2016 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 TextSourceElement { constructor(element, length=-1) { this.element = element; this.length = length; } clone() { return new TextSourceElement(this.element, this.length); } text() { const text = this.textRaw(); return this.length < 0 ? text : text.substring(0, this.length); } textRaw() { switch (this.element.nodeName) { case 'BUTTON': return this.element.innerHTML; case 'IMG': return this.element.getAttribute('alt'); default: return this.element.value || ''; } } setStartOffset(length) { // NOP return 0; } setEndOffset(length) { this.length = length; return length; } containsPoint(point) { const rect = this.getRect(); return point.x >= rect.left && point.x <= rect.right; } getRect() { return this.element.getBoundingClientRect(); } select() { // NOP } deselect() { // NOP } equals(other) { return other.element && other.textRaw() === this.textRaw(); } }