Advanced Validation Examples Using VTypes : Form Validation « Ext JS « JavaScript DHTML






  1. JavaScript DHTML
  2. Ext JS
  3. Form Validation

Advanced Validation Examples Using VTypes

  

<!--
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
-->
<html>
<head>
<title>Hello World Window</title>
<link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-3.0.0/ext-all.js"></script>
</head>

<!-- Revised from demo code from ext3.0.0 -->
<body>
<script type="text/javascript">
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
// Add the additional 'advanced' VTypes
Ext.apply(Ext.form.VTypes, {
    daterange : function(val, field) {
        var date = field.parseDate(val);

        if(!date){
            return;
        }
        if (field.startDateField && (!this.dateRangeMax || (date.getTime() != this.dateRangeMax.getTime()))) {
            var start = Ext.getCmp(field.startDateField);
            start.setMaxValue(date);
            start.validate();
            this.dateRangeMax = date;
        } 
        else if (field.endDateField && (!this.dateRangeMin || (date.getTime() != this.dateRangeMin.getTime()))) {
            var end = Ext.getCmp(field.endDateField);
            end.setMinValue(date);
            end.validate();
            this.dateRangeMin = date;
        }
        /*
         * Always return true since we're only using this vtype to set the
         * min/max allowed values (these are tested for after the vtype test)
         */
        return true;
    },

    password : function(val, field) {
        if (field.initialPassField) {
            var pwd = Ext.getCmp(field.initialPassField);
            return (val == pwd.getValue());
        }
        return true;
    },

    passwordText : 'Passwords do not match'
});


Ext.onReady(function(){

    Ext.QuickTips.init();

    // turn on validation errors beside the field globally
    Ext.form.Field.prototype.msgTarget = 'side';

    var bd = Ext.getBody();

    /*
     *  Date Range  
     */
    
    var dr = new Ext.FormPanel({
      labelWidth: 125,
      frame: true,
      title: 'Date Range',
    bodyStyle:'padding:5px 5px 0',
    width: 350,
      defaults: {width: 175},
      defaultType: 'datefield',
      items: [{
        fieldLabel: 'Start Date',
        name: 'startdt',
        id: 'startdt',
        vtype: 'daterange',
        endDateField: 'enddt' // id of the end date field
      },{
        fieldLabel: 'End Date',
        name: 'enddt',
        id: 'enddt',
        vtype: 'daterange',
        startDateField: 'startdt' // id of the start date field
      }]
    });

    dr.render('dr');
 
});

</script> 
<div id="dr">
</body>
</html>








Related examples in the same category

1.Mark a form field as required
2.Set mask regular expression
3.Define your own validation type
4.Customize your own message for validation
5.Use separate function as the validation function
6.Set strip character regular expression
7.Set alert message for empty input
8.Create customized validation function for field
9.Define validation type