/**
* 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('(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();
}
};