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/**
 * $Id: editable_selects.js 162 2007-01-03 16:16:52Z spocke $
 *
 * Makes select boxes editable.
 *
 * @author Moxiecode
 * @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.
 */

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].setAttribute('onchange', 'TinyMCE_EditableSelects.onChangeEditableSelect(this);');
                        }
                }
        },

        onChangeEditableSelect : function(se) {
                var d = document, ne;

                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.clientWidth;
                        se.parentNode.insertBefore(ne, se);
                        se.style.display = 'none';
                        ne.focus();
                        ne.onblur = TinyMCE_EditableSelects.onBlurEditableSelectInput;
                        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;
                }
        }
};