/**

 * editable_selects.js

 *

 * Copyright 2009, Moxiecode Systems AB

 * Released under LGPL License.

 *

 * License: http://tinymce.moxiecode.com/license

 * Contributing: http://tinymce.moxiecode.com/contributing

 */

var TinyMCE_EditableSelects = {

	editSelectElm : null,

	init : function() {

		var nl = document.getElementsByTagName("select"), i, d = document, o;

		for (i=0; i<nl.length; i++) {

			if (nl[i].className.indexOf('mceEditableSelect') != -1) {

				o = new Option(tinyMCEPopup.editor.translate('value'), '__mce_add_custom__');

				o.className = 'mceAddSelectValue';

				nl[i].options[nl[i].options.length] = o;

				nl[i].onchange = TinyMCE_EditableSelects.onChangeEditableSelect;

			}

		}

	},

	onChangeEditableSelect : function(e) {

		var d = document, ne, se = window.event ? window.event.srcElement : e.target;

		if (se.options[se.selectedIndex].value == '__mce_add_custom__') {

			ne = d.createElement("input");

			ne.id = se.id + "_custom";

			ne.name = se.name + "_custom";

			ne.type = "text";

			ne.style.width = se.offsetWidth + 'px';

			se.parentNode.insertBefore(ne, se);

			se.style.display = 'none';

			ne.focus();

			ne.onblur = TinyMCE_EditableSelects.onBlurEditableSelectInput;

			ne.onkeydown = TinyMCE_EditableSelects.onKeyDown;

			TinyMCE_EditableSelects.editSelectElm = se;

		}

	},

	onBlurEditableSelectInput : function() {

		var se = TinyMCE_EditableSelects.editSelectElm;

		if (se) {

			if (se.previousSibling.value != '') {

				addSelectValue(document.forms[0], se.id, se.previousSibling.value, se.previousSibling.value);

				selectByValue(document.forms[0], se.id, se.previousSibling.value);

			} else

				selectByValue(document.forms[0], se.id, '');

			se.style.display = 'inline';

			se.parentNode.removeChild(se.previousSibling);

			TinyMCE_EditableSelects.editSelectElm = null;

		}

	},

	onKeyDown : function(e) {

		e = e || window.event;

		if (e.keyCode == 13)

			TinyMCE_EditableSelects.onBlurEditableSelectInput();

	}

};