JavaScript DHTML/Ext JS/TextBox

Материал из Web эксперт
Перейти к: навигация, поиск

Add a TextField to a window by setting the xtype

  

<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>
<script type="text/javascript">

Ext.onReady(function(){
  
    var w = new Ext.Window({
      items:[
        { xtype: "textfield", fieldLabel: "First Name"},
        new Ext.form.TextField({fieldLabel: "Surname"})
      ]
    });
    w.show();
});
</script>
<body>
    <div id="mainContent">
    </div>
</body>
</html>



Add text box to a window and set the width

  
<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>
<body>
<script type="text/javascript">
Ext.onReady(function() {

    var myWin =  new Ext.Window({
      height      : 220,
      width       : 230,
      bodyStyle   : "padding: 5px",
      layout      : "form",
      labelWidth  : 50,
      defaultType : "field",
      items       : [
        {
          fieldLabel : "Name",
          width      : 110
        },
        {
          fieldLabel : "Age",
          width      : 25  
        }
        ]
    });
    
    myWin.show();

});
</script> 
<div id="div1">asdf</div>
</body>
</html>



Not-allow-blank field

  
<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>
<body>
<script type="text/javascript">
Ext.onReady(function() {
    
    new Ext.FormPanel({ 
      url: "your.php",
      renderTo: Ext.getBody(),
      frame: true,
      title: "Title",
      width: 250,
      items: [
          {
            xtype: "textfield",
            fieldLabel: "Title",
            name: "title",
            allowBlank: false
            },
            {
            xtype: "datefield",
            fieldLabel: "Released",
            name: "released"
            }
        ]
    });

});
</script> 
<div id="div1">asdf</div>
</body>
</html>



Preset value on a textbox

  
<!--
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.ru
 * http://www.extjs.ru/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 in ext3.0.0 -->
<body>
<script type="text/javascript">
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.ru
 * http://www.extjs.ru/license
 */
Ext.onReady(function(){
    Ext.QuickTips.init();
    // turn on validation errors beside the field globally
    Ext.form.Field.prototype.msgTarget = "side";
    var bd = Ext.getBody();
    /*
     *  Form 2  
     */
    bd.createChild({tag: "h2", html: "Form 2 - Adding fieldsets"});
    var fsf = new Ext.FormPanel({
        labelWidth: 75, // label settings here cascade unless overridden
        url:"save-form.php",
        frame:true,
        title: "Simple Form with FieldSets",
        bodyStyle:"padding:5px 5px 0",
        width: 350,
        items: [{
            xtype:"fieldset",
            checkboxToggle:true,
            title: "User Information",
            autoHeight:true,
            defaults: {width: 210},
            defaultType: "textfield",
            collapsed: true,
            items :[{
                    fieldLabel: "First Name",
                    name: "first",
                    allowBlank:false
                },{
                    fieldLabel: "Last Name",
                    name: "last"
                },{
                    fieldLabel: "Company",
                    name: "company"
                }, {
                    fieldLabel: "Email",
                    name: "email",
                    vtype:"email"
                }
            ]
        },{
            xtype:"fieldset",
            title: "Phone Number",
            collapsible: true,
            autoHeight:true,
            defaults: {width: 210},
            defaultType: "textfield",
            items :[{
                    fieldLabel: "Home",
                    name: "home",
                    value: "(888) 555-1212"
                },{
                    fieldLabel: "Business",
                    name: "business"
                },{
                    fieldLabel: "Mobile",
                    name: "mobile"
                },{
                    fieldLabel: "Fax",
                    name: "fax"
                }
            ]
        }],
        buttons: [{
            text: "Save"
        },{
            text: "Cancel"
        }]
    });
    fsf.render(document.body);
});
</script> 
</div>
</body>
</html>



Set min and max length for a field

  
<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>
<body>
<script type="text/javascript">
Ext.onReady(function() {
    
Ext.QuickTips.init();
var formPanelItems =[
   {
      fieldLabel : "Alpha only",
      allowBlank : false,
      emptyText  : "This field is empty!",
      maskRe     : /[a-z]/i,
      msgTarget : "under",
      minLength     : 3,
      maxLength     : 7
   }
];
var fp = new Ext.form.FormPanel({
   renderTo     : Ext.getBody(),
   width        : 400,
   title        : "Title here",
   height       : 170,
   frame        : true,
   bodyStyle    : "padding: 5px",
   monitorValid : true,
   monitorPoll  : 50, 
   labelWidth   : 125,   
   defaultType  : "textfield",
   defaults     : {
      msgTarget : "side",
      anchor    : "-20"
   },
   items        : formPanelItems,
});

});
</script> 
<div id="div1">asdf</div>
</body>
</html>



Set validation type for a textfield

  
<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>
<body>
<script type="text/javascript">
Ext.onReady(function() {
        Ext.form.VTypes.nameVal  = /^([A-Z]{1})[A-Za-z\-]+ ([A-Z]{1})[A-Za-z\-]+/;
    Ext.form.VTypes.nameMask = /[A-Za-z\- ]/;
    Ext.form.VTypes.nameText = "In-valid.";
    Ext.form.VTypes.name   = function(v){
      return Ext.form.VTypes.nameVal.test(v);
    };
    new Ext.FormPanel({ 
      url: "your.php",
      renderTo: Ext.getBody(),
      frame: true,
      title: "Title",
      width: 250,
      items: [
          {
            xtype: "textfield",
            fieldLabel: "Title",
            name: "title",
            vtype: "name"
            }
        ]
    });

});
</script> 
<div id="div1">asdf</div>
</body>
</html>



Set value for a text field

   

<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>
<body>
<script type="text/javascript">
Ext.onReady(function() {

    var myform = new Ext.FormPanel({ 
      url: "your.php",
      renderTo: Ext.getBody(),
      frame: true,
      title: "Title",
      width: 250,
      items: [
                {
            xtype: "textfield",
            fieldLabel: "Title",
            name: "title",
            allowBlank: false
            }
        ]
    });
        myform.getForm().findField("title").setValue("new value");
});
</script> 
<div id="div1">asdf</div>
</body>
</html>



TextField enter key action listener

  

<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>
<body>
<script type="text/javascript">
Ext.onReady(function() {

    var myform = new Ext.FormPanel({ 
      url: "your.php",
      renderTo: Ext.getBody(),
      frame: true,
      title: "Title",
      width: 250,
      items: [
                {
            xtype: "textfield",
            fieldLabel: "Title",
            name: "title",
            allowBlank: false,
            listeners: {
              specialkey: function(f,e){
                if (e.getKey() == e.ENTER) {
                    alert("about to submit");
                  myform.getForm().submit();
                }
              }
            }
            }
        ]
    });

});
</script> 
<div id="div1">asdf</div>
</body>
</html>
Источник — «http://wbex.ru/index.php?title=JavaScript_DHTML/Ext_JS/TextBox&oldid=2437»