/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


/**
 * legacy code to enable various aspects
 * of myfaces, used to be rendered inline
 * for jsf 2.0 we can externalized it into its own custom resource
 */

(!window.myfaces) ? window.myfaces = {} : null;
if (!myfaces.oam) {
    myfaces.oam = new function() {

        /**
         * sets a hidden input field
         * @param formname the formName
         * @param name the hidden field
         * @param value the value to be rendered
         */
        this.setHiddenInput = function(formname, name, value) {
            var form = document.forms[formname];
            if (typeof form == 'undefined') {
                form = document.getElementById(formname);
            }
    
            if (typeof form.elements[name] != 'undefined' && (form.elements[name].nodeName == 'INPUT' || form.elements[name].nodeName == 'input')) {
                form.elements[name].value = value;
            }
            else {
                var newInput = document.createElement('input');
                newInput.setAttribute('type', 'hidden');
                newInput.setAttribute('id', name);
                newInput.setAttribute('name', name);
                newInput.setAttribute('value', value);
                form.appendChild(newInput);
            }
        };
        
        /**
         * clears a hidden input field
         *
         * @param formname formName for the input
         * @param name the name of the input field
         * @param value the value to be cleared
         */
        this.clearHiddenInput = function(formname, name, value) {
            var form = document.forms[formname];
    
            if (typeof form == 'undefined') {
                form = document.getElementById(formname);
            }
    
            var hInput = form.elements[name];
            if (typeof hInput != 'undefined') {
                form.removeChild(hInput);
            }
        };
        
        /**
         * does special form submit remapping
         * remaps the issuing command link into something
         * the decode of the command link on the server can understand
         *
         * @param formName
         * @param linkId
         * @param target
         * @param params
         */
        this.submitForm = function(formName, linkId, target, params) {
    
            var clearFn = 'clearFormHiddenParams_' + formName.replace(/-/g, '\$:').replace(/:/g, '_');
            if (typeof window[clearFn] == 'function') {
                window[clearFn](formName);
            }
    
            var form = document.forms[formName];
            if (typeof form == 'undefined') {
                form = document.getElementById(formName);
            }
    
            //autoscroll code
            if (myfaces.core.config.autoScroll && typeof window.getScrolling != 'undefined') {
                myfaces.oam.setHiddenInput(formName, 'autoScroll', getScrolling());
            }
    
            if (myfaces.core.config.ieAutoSave) {
                var agentString = navigator.userAgent.toLowerCase();
                var version = navigator.appVersion;
                if (agentString.indexOf('msie') != -1) {
                    if (!(agentString.indexOf('ppc') != -1 && agentString.indexOf('windows ce') != -1 && version >= 4.0)) {
                        window.external.AutoCompleteSaveForm(form);
                    }
                }
            }
    
            var oldTarget = form.target;
            if (target != null) {
                form.target = target;
            }
            if ((typeof params != 'undefined') && params != null) {
                for (var i = 0, param; (param = params[i]); i++) {
                    myfaces.oam.setHiddenInput(formName, param[0], param[1]);
                }
    
            }
    
            myfaces.oam.setHiddenInput(formName, formName + ':' + '_idcl', linkId);
    
            if (form.onsubmit) {
                var result = form.onsubmit();
                if ((typeof result == 'undefined') || result) {
                    try {
                        form.submit();
                    }
                    catch(e) {
                    }
                }
    
            }
            else {
                try {
                    form.submit();
                }
                catch(e) {
                }
            }
    
            form.target = oldTarget;
            if ((typeof params != 'undefined') && params != null) {
    
                for (var i = 0, param; (param = params[i]); i++) {
                    myfaces.oam.clearHiddenInput(formName, param[0], param[1]);
                }
    
            }
    
            myfaces.oam.clearHiddenInput(formName, formName + ':' + '_idcl', linkId);
            return false;
        };
    }
}

//reserve a cofig namespace for impl related stuff
(!myfaces.core) ? myfaces.core = {} : null;
(!myfaces.core.config) ? myfaces.core.config = {} : null;