validatefloatrange.js

java验证框架 java验证框架

/*
 * 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.
 */
   /*$RCSfile: validateFloatRange.js,v $ $Rev: 478676 $ $Date: 2006-11-23 21:35:44 +0000 (Thu, 23 Nov 2006) $ */
    /**
    * Check to see if fields are in a valid float range.
    * Fields are not checked if they are disabled.
    * @param form The form validation is taking place on.
    */
    function validateFloatRange(form) {
        var isValid = true;
        var focusField = null;
        var i = 0;
        var fields = new Array();
        
        var oRange = eval('new ' + jcv_retrieveFormName(form) +  '_floatRange()');
        for (var x in oRange) {
            if (!jcv_verifyArrayElement(x, oRange[x])) {
                continue;
            }
            var field = form[oRange[x][0]];
            if (!jcv_isFieldPresent(field)) {
              continue;
            }
            
            if ((field.type == 'hidden' ||
                field.type == 'text' || field.type == 'textarea') &&
                (field.value.length > 0)) {
        
                var fMin = parseFloat(oRange[x][2]("min"));
                var fMax = parseFloat(oRange[x][2]("max"));
                var fValue = parseFloat(field.value);
                if (!(fValue >= fMin && fValue <= fMax)) {
                    if (i == 0) {
                        focusField = field;
                    }
                    fields[i++] = oRange[x][1];
                    isValid = false;
                }
            }
        }
        if (fields.length > 0) {
            jcv_handleErrors(fields, focusField);
        }
        return isValid;
    }