/bin/std/js/Selection.hx

 1/*
 2 * Copyright (c) 2005, The haXe Project Contributors
 3 * All rights reserved.
 4 * Redistribution and use in source and binary forms, with or without
 5 * modification, are permitted provided that the following conditions are met:
 6 *
 7 *   - Redistributions of source code must retain the above copyright
 8 *     notice, this list of conditions and the following disclaimer.
 9 *   - Redistributions in binary form must reproduce the above copyright
10 *     notice, this list of conditions and the following disclaimer in the
11 *     documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE HAXE PROJECT CONTRIBUTORS "AS IS" AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL THE HAXE PROJECT CONTRIBUTORS BE LIABLE FOR
17 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
23 * DAMAGE.
24 */
25package js;
26import js.Dom.Textarea;
27
28class Selection {
29
30	var doc : Dynamic;
31
32	public function new( doc : Textarea ) {
33		this.doc = doc;
34	}
35
36	public function get() {
37		// Mozilla
38		if( doc.selectionStart != null )
39			return doc.value.substring(doc.selectionStart,doc.selectionEnd);
40		// IE
41		var range = untyped js.Lib.document.selection.createRange();
42		if( range.parentElement() != doc )
43			return "";
44		return range.text;
45	}
46
47	public function insert( left : String, text : String, right : String ) {
48		doc.focus();
49		// Mozilla
50		if( doc.selectionStart != null ) {
51			var top = doc.scrollTop;
52			var start = doc.selectionStart;
53			var end = doc.selectionEnd;
54			doc.value = doc.value.substr(0,start) + left + text + right + doc.value.substr(end);
55			doc.selectionStart = start + left.length;
56			doc.selectionEnd = start + left.length + text.length;
57			doc.scrollTop = top;
58			return;
59		}
60		// IE
61		var range = untyped js.Lib.document.selection.createRange();
62		range.text = left + text + right;
63		range.moveStart('character',-text.length-right.length);
64		range.moveEnd('character',-right.length);
65		range.select();
66	}
67
68}