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## validateFloat.js

#### Summary

No overview generated for 'validateFloat.js'

Method Summary
`static Object` | `validateFloat(form)` Check to see if fields are a valid float.

    /*
     * 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: validateFloat.js,v $ $Rev: 478676 $ $Date: 2006-11-23 21:35:44 +0000 (Thu, 23 Nov 2006) $ */
        /**
        * Check to see if fields are a valid float.
        * Fields are not checked if they are disabled.
        * @param form The form validation is taking place on.
        */
        function validateFloat(form) {
            var bValid = true;
            var focusField = null;
            var i = 0;
            var fields = new Array();

            var oFloat = eval('new ' + jcv_retrieveFormName(form) +  '_FloatValidations()');
            for (var x in oFloat) {
                if (!jcv_verifyArrayElement(x, oFloat[x])) {
                    continue;
                }
            	var field = form[oFloat[x][0]];
                if (!jcv_isFieldPresent(field)) {
                  continue;
                }

                if ((field.type == 'hidden' ||
                    field.type == 'text' ||
                    field.type == 'textarea' ||
                    field.type == 'select-one' ||
                    field.type == 'radio')) {

                	var value = '';
                    // get field's value
                    if (field.type == "select-one") {
                        var si = field.selectedIndex;
                        if (si >= 0) {
                            value = field.options[si].value;
                        }
                    } else {
                        value = field.value;
                    }

                    if (value.length > 0) {
                        // remove '.' before checking digits
                        var tempArray = value.split('.');
                        //Strip off leading '0'
                        var zeroIndex = 0;
                        var joinedString= tempArray.join('');
                        while (joinedString.charAt(zeroIndex) == '0') {
                            zeroIndex++;
                        }
                        var noZeroString = joinedString.substring(zeroIndex,joinedString.length);

                        if (!jcv_isAllDigits(noZeroString) || tempArray.length > 2) {
                            bValid = false;
                            if (i == 0) {
                                focusField = field;
                            }
                            fields[i++] = oFloat[x][1];

                        } else {
    	                var iValue = parseFloat(value);
    	                if (isNaN(iValue)) {
    	                    if (i == 0) {
    	                        focusField = field;
    	                    }
    	                    fields[i++] = oFloat[x][1];
    	                    bValid = false;
    	                }
                        }
                    }
                }
            }
            if (fields.length > 0) {
               jcv_handleErrors(fields, focusField);
            }
            return bValid;
        }

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Copyright ® 2000-2005 - Apache Software Foundation
Documentation generated by JSDoc on Tue Nov 28 22:30:05 2006