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- /*
- * Copyright (C)2005-2019 Haxe Foundation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
- package js;
- import js.html.TextAreaElement;
- class Selection {
- var doc:Dynamic;
- public function new(doc:TextAreaElement) {
- this.doc = doc;
- }
- public function get() {
- // Mozilla
- if (doc.selectionStart != null)
- return doc.value.substring(doc.selectionStart, doc.selectionEnd);
- // IE
- var range = untyped js.Lib.document.selection.createRange();
- if (range.parentElement() != doc)
- return "";
- return range.text;
- }
- public function select(start:Int, end:Int) {
- doc.focus();
- // Mozilla
- if (doc.selectionStart != null) {
- doc.selectionStart = start;
- doc.selectionEnd = end;
- return;
- }
- // FIX : IE count \r\n as one single char for selection
- // operations, we must then deal with it
- var value:String = doc.value;
- var p = 0, delta = 0;
- while (true) {
- var i = value.indexOf("\r\n", p);
- if (i < 0 || i > start)
- break;
- delta++;
- p = i + 2;
- }
- start -= delta;
- while (true) {
- var i = value.indexOf("\r\n", p);
- if (i < 0 || i > end)
- break;
- delta++;
- p = i + 2;
- }
- end -= delta;
- // IE
- var r = doc.createTextRange();
- r.moveEnd('textedit', -1);
- r.moveStart('character', start);
- r.moveEnd('character', end - start);
- r.select();
- }
- public function insert(left:String, text:String, right:String) {
- doc.focus();
- // Mozilla
- if (doc.selectionStart != null) {
- var top = doc.scrollTop;
- var start = doc.selectionStart;
- var end = doc.selectionEnd;
- doc.value = doc.value.substr(0, start) + left + text + right + doc.value.substr(end);
- doc.selectionStart = start + left.length;
- doc.selectionEnd = start + left.length + text.length;
- doc.scrollTop = top;
- return;
- }
- // IE
- var range = untyped js.Lib.document.selection.createRange();
- range.text = left + text + right;
- range.moveStart('character', -text.length - right.length);
- range.moveEnd('character', -right.length);
- range.select();
- }
- }
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