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/*
* Copyright (C)2005-2012 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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