diff options
Diffstat (limited to 'ext/fg/js/text-source-element.js')
-rw-r--r-- | ext/fg/js/text-source-element.js | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/ext/fg/js/text-source-element.js b/ext/fg/js/text-source-element.js deleted file mode 100644 index 45186636..00000000 --- a/ext/fg/js/text-source-element.js +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright (C) 2016-2021 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 TextSourceElement { - constructor(element, fullContent=null, startOffset=0, endOffset=0) { - this._element = element; - this._fullContent = (typeof fullContent === 'string' ? fullContent : TextSourceElement.getElementContent(element)); - this._startOffset = startOffset; - this._endOffset = endOffset; - this._content = this._fullContent.substring(this._startOffset, this._endOffset); - } - - get element() { - return this._element; - } - - get fullContent() { - return this._fullContent; - } - - get startOffset() { - return this._startOffset; - } - - get endOffset() { - return this._endOffset; - } - - get isConnected() { - return this._element.isConnected; - } - - clone() { - return new TextSourceElement(this._element, this._fullContent, this._startOffset, this._endOffset); - } - - cleanup() { - // NOP - } - - text() { - return this._content; - } - - setEndOffset(length, fromEnd=false) { - if (fromEnd) { - const delta = Math.min(this._fullContent.length - this._endOffset, length); - this._endOffset += delta; - this._content = this._fullContent.substring(this._startOffset, this._endOffset); - return delta; - } else { - const delta = Math.min(this._fullContent.length - this._startOffset, length); - this._endOffset = this._startOffset + delta; - this._content = this._fullContent.substring(this._startOffset, this._endOffset); - return delta; - } - } - - setStartOffset(length) { - const delta = Math.min(this._startOffset, length); - this._startOffset -= delta; - this._content = this._fullContent.substring(this._startOffset, this._endOffset); - return delta; - } - - collapse(toStart) { - if (toStart) { - this._endOffset = this._startOffset; - } else { - this._startOffset = this._endOffset; - } - this._content = ''; - } - - getRect() { - return this._element.getBoundingClientRect(); - } - - getWritingMode() { - return 'horizontal-tb'; - } - - select() { - // NOP - } - - deselect() { - // NOP - } - - hasSameStart(other) { - return ( - typeof other === 'object' && - other !== null && - other instanceof TextSourceElement && - this._element === other.element && - this._fullContent === other.fullContent && - this._startOffset === other.startOffset - ); - } - - getNodesInRange() { - return [this._element]; - } - - static getElementContent(element) { - let content; - switch (element.nodeName.toUpperCase()) { - case 'BUTTON': - content = element.textContent; - break; - case 'IMG': - content = element.getAttribute('alt') || ''; - break; - default: - content = `${element.value}`; - break; - } - - // Remove zero-width non-joiner - content = content.replace(/\u200c/g, ''); - - return content; - } -} |