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ExtJS GTGrid simple user management

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Author: User
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Some source code:
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<% @ Page language = "java" pageEncoding = "GBK" %>
<% @ Taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %>
<C: set var = "ctx" value = "$ {pageContext. request. contextPath}"/>
<Html>
<Head>
<Title> User Management homepage </title>
<Link rel = "stylesheet" type = "text/css" href = "js/ext-2.2/resources/css/ext-all.css"/>
<Script type = "text/javascript" src = "js/ext-2.2/adapter/ext/ext-base.js"> </script>
<Script type = "text/javascript" src = "js/ext-2.2/ext-all.js"> </script>
<Style type = "text/css">
. X-panel-body p {}{
Margin: 5px;
}
. X-column-layout-ct. x-panel {}{
Margin-bottom: 5px;
}
. X-column-layout-ct. x-panel-dd-spacer {}{
Margin-bottom: 5px;
}
. Settings {}{
Background-image: url (js/ext-2.2/shared/icons/fam/folder_wrench.png )! Important;
}
. Nav {}{
Background-image: url (js/ext-2.2/shared/icons/fam/folder_go.png )! Important;
}

. Icon-grid {}{
Background-image: url (JavaScript/ext-2.2/shared/icons/fam/grid.png )! Important;
}

# Button-grid. x-panel-body {}{
Border: 1px solid #99bbe8;
Border-top: 0 none;
}

. Add {}{
Background-image: url (js/ext-2.2/shared/icons/fam/add.gif )! Important;
}

. Option {}{
Background-image: url (js/ext-2.2/shared/icons/fam/plugin.gif )! Important

}

. Remove {}{
Background-image: url (JavaScript/ext-2.2/shared/icons/fam/delete.gif )! Important

}

. Save {}{
Background-image: url (js/ext-2.2/shared/icons/save.gif )! Important;
}
</Style>
<Script>
<! --
Ext. onReady (function ()
{
/** // ** Grid related **/
Ext. QuickTips. init ();
Ext. form. Field. prototype. msgTarget = 'day ';
Var newFormWin; // form window container
Var form1; // Add the user's form
Var form2; // modify the user's form

// Record the sidebar status
Ext. state. SessionProvider = Ext. extend (Ext. state. CookieProvider ,{
ReadCookies: function (){
If (this. state ){
For (var k in this. state ){
If (typeof this. state [k] = 'string '){
This. state [k] = this. decodeValue (this. state [k]);
}
}
}
Return Ext. apply (this. state | |{}, Ext. state. SessionProvider. superclass. readCookies. call (this ));
}
});

Var xg = Ext. grid;

Var jsonReader = new Ext. data. JsonReader ({
Root: 'LIST', // returned data set
TotalProperty: 'totalcount', // total number of records
SuccessProperty: '@ success' // marked successfully
},[{
Name: 'id', // dataIndex in grid
Mapping: 'id', // field name in the returned data
Type: 'int' // type. The default value is string.
},{
Name: 'username ',
Mapping: 'username'
},{
Name: 'age ',
Mapping: 'age ',
Type: 'int'
},
{
Name: 'ramark ',
Mapping: 'remark'
}]);

// Store
Var ds = new Ext. data. Store ({
Proxy: new Ext. data. HttpProxy ({
Url: '$ {ctx}/UserServlet? Method = getall'
}),
Reader: jsonReader
});
Ds. setDefaultSort ('id', 'asc ');


/**//**
* ** CRUD Grid
****/

// Select a custom checkbox Column
Var sm = new xg. CheckboxSelectionModel ({
Listeners: // Add a listener
{
// Row selection event
Rowselect: function (sm, rowIndex, keep, rec) // row selection event
{
// Obtain the ext component using Ext. getCmp ('id ')
Var btn = Ext. getCmp ('tbar1 ');
// If the selected quantity is greater than 2, disable the modify button.
If (sm. getCount ()! = 1)
{
Btn. disable ();
}
Else
{
Btn. enable ();
}
},
// Cancel the selection event
Rowdeselect: function (sm, rowIndex, keep, rec) // row selection event
{
// Obtain the ext component using Ext. getCmp ('id ')
Var btn = Ext. getCmp ('tbar1 ');
// The number is equal to 1. Start the modify button.
If (sm. getCount () = 1)
{
Btn. enable ();
}
Else
{
Btn. disable ();
}
}
}


});

// Initialize the Grid
Var grid = new xg. GridPanel ({
Id: 'user-grid ',
Width: 780,
Height: 450,
Frame: true,
Title: 'simple user management ',
IconCls: 'icon-grid ',
Hidden: true,
Store: ds, // Data Warehouse
RenderTo: document. body,
// Column
Cm: new xg. ColumnModel ([
Sm,
{Id: 'id', header: "Index", width: 40, sortable: true, dataIndex: 'id '},
{Header: "username", width: 20, sortable: true, dataIndex: 'username '},
{Header: "age", width: 20, sortable: true, dataIndex: 'age '},
{Header: "Remarks", width: 20, sortable: true, dataIndex: 'remark '}
]),

Sm: sm,

ViewConfig :{
ForceFit: true
},
// Pagination Toolbar
Bbar: new Ext. PagingToolbar ({
PageSize: 10,
Store: ds,
DisplayInfo: true,
DisplayMsg: 'Show {0}-{1} items/total {2} items ',
EmptyMsg: "No data. "
}),

// Upload embedded toolbar (button)
Tbar :[{
Text: 'add ',
Tooltip: 'Add a row of New data ',
IconCls: 'add ',
Handler: function ()
{
Add ();
}
},'-',{
Text: 'modify ',
Tooltip: 'modify A data ',
IconCls: 'option ',
Id: 'tbar1 ',
Handler: function ()
{
Modify ();
}
},'-',{
Text: 'delete ',
Tooltip: 'delete data ',
IconCls: 'delete ',
Handler: function ()
{
Remove ();
}
}]

});

// Load data
Ds. load ({params: {start: 0, limit: 10 }});
// Render the Grid
Grid. render ();

// Add a user's Function
Var add = function ()
{
NewFormWin = new Ext. Window ({
Layout: 'fit ',
Width: 400,
Height: 300,
CloseAction: 'hide ',
Plain: true,
Title: 'user management ',
Items: form1

});
NewFormWin. show ();
}

// Modify the user's Function
Var modify = function ()
{
Var _ record = grid. getSelectionModel (). getSelected ();
If (! _ Record)
{
Ext. Msg. alert ('select the item to be modified! ');
}
Else
{
MyFormWin ();
Form2.form. load
({
Url: '$ {ctx}/UserServlet? Method = getById & id = '+ _ record. get ('id '),
WaitMsg: 'loading Data ',

Failure: function (){
Ext. Msg. alert ('loading failed ');
},
Success: function (){
// Ext. Msg. alert ('Load successful! ');
}
});
}
}
// Modify the user's form
Var myFormWin = function (){
NewFormWin = new Ext. Window ({
Layout: 'fit ',
Width: 400,
Height: 300,
CloseAction: 'hide ',
Plain: true,
Title: 'modify user ',
Items: form2
});
NewFormWin. show ('');
}

/** // * Note that JsonReader should be placed on the Form, and the data loading sequence is incorrect */
Var jsonFormReader = new Ext. data. JsonReader ({
Root: 'LIST ',
TotalProperty: 'totalcount ',
SuccessProperty: '@ success'
},[
{
Name: 'id ',
Mapping: 'id ',
Type: 'int ',
},
{
Name: 'username ',
Mapping: 'username'
},{
Name: 'age ',
Mapping: 'age ',
Type: 'int'
},{
Name: 'remark ',
Mapping: 'remark'
}]);

// Add the user's Form
Form1 = new Ext. FormPanel ({
LabelWidth: 75,
Frame: true,
Title: 'add user ',
BodyStyle: 'padding: 5px 5px 0 ',
Width: 350,
WaitMsgTarget: true,
Url: '$ {ctx}/UserServlet? Method = save ',
Defaults:
{
Width: 230
},
DefaultType: 'textfield ',
Items :[
{
FieldLabel: 'username ',
Name: 'username', // used to obtain data in the background
AllowBlank: false,
BlankText: 'user name cannot be blank'
},{
Xtype: 'numberfield ',
MaxValue: 100,
MaxText: 'Age cannot exceed 100 age ',
MinValue: 1,
MinText: 'Age cannot be less than 1 ',
FieldLabel: 'age ',
Name: 'age ',
AllowBlank: false,
BlankText: 'Age cannot be blank'
}, New Ext. form. TextArea ({
FieldLabel: 'note ',
Name: 'remark ',
GrowMin: 234,
MaxLength: 50,
MaxLengthText: 'the maximum length cannot exceed 50 characters! '
})],

Buttons :[{
Text: 'save ',
Disabled: false,
Handler: function ()
{

If (form1.form. isValid ())
{
Form1.form. submit (
{
Url: '$ {ctx}/UserServlet? Method = save ',
Success: function (from, action)
{
Ext. Msg. alert ('user added successfully! ');
Ds. load ({
Params :{
Start: 0,
Limit: 10
}
});
},
Failure: function (form, action ){
Ext. Msg. alert ('failed to add user! ');
},
WaitMsg: 'saving the data. Later'
});
NewFormWin. hide ();
}
Else
{
Ext. Msg. alert ('Check whether your information has been filled in successfully! ');
}
}
},{
Text: 'cancel ',
Handler: function ()
{
Form1.form. reset ();
}
}]
});

// Modify the user's Form
Form2 = new Ext. FormPanel ({
LabelWidth: 75,
Frame: true,
Title: 'modify user ',
BodyStyle: 'padding: 5px 5px 0 ',
Width: 350,
WaitMsgTarget: true,
Url: '$ {ctx}/UserServlet? Method = Update ',
Reader: jsonFormReader, // specify reader for Form.
Defaults:
{
Width: 230
},
DefaultType: 'textfield ',
Items :[
{
Xtype: 'ddy ',
Name: 'id'
},
{
FieldLabel: 'username ',
Name: 'username', // used to obtain data in the background
AllowBlank: false,
BlankText: 'user name cannot be blank'
},{
Xtype: 'numberfield ',
MaxValue: 100,
MaxText: 'Age cannot exceed 100 age ',
MinValue: 1,
MinText: 'Age cannot be less than 1 ',
FieldLabel: 'age ',
Name: 'age ',
AllowBlank: false,
BlankText: 'Age cannot be blank'
}, New Ext. form. TextArea ({
FieldLabel: 'note ',
Name: 'remark ',
GrowMin: 234,
MaxLength: 50,
MaxLengthText: 'the maximum length cannot exceed 50 characters! '
})],

Buttons :[{
Text: 'modify ',
Disabled: false,
Handler: function ()
{

If (form2.form. isValid ())
{
Form2.form. submit (
{
Success: function (from, action)
{
Ext. Msg. alert ('user modified successfully! ');
Ds. load ({
Params :{
Start: 0,
Limit: 10
}
});
},
Failure: function (form, action ){
Ext. Msg. alert ('failed to modify the user! ');
},
WaitMsg: 'saving the data. Later'
});
NewFormWin. hide ();
}
Else
{
Ext. Msg. alert ('Check whether your information has been filled in successfully! ');
}
}
},{
Text: 'cancel ',
Handler: function ()
{
Form2.form. reset ();
}
}]
});

// Delete the event
Var remove = function ()
{

Var _ record = grid. getSelectionModel (). getSelected ();
If (_ record)
{
Ext. MessageBox. confirm ('Confirm delete', 'Are you sure you want to delete the selected data? ', Function (btn)
{
If (btn = "yes "){
Var m = grid. getSelections ();
Var jsonData = "";
For (var I = 0, len = m. length; I <len; I ++)
{
Var ss = m [I]. get ("id"); // user id, "id" field name
If (I = 0 ){
JsonData = jsonData + ss;
} Else {
JsonData = jsonData + "," + ss;
}
// Delete the data source
Ds. remove (m [I]);
// Delete the corresponding database record
Ext. Ajax. request ({
Url: '$ {ctx}/UserServlet? Method = remove & id = '+ ss
});
}

Ds. load ({
Params :{
Start: 0,
Limit: 10,
DelData: jsonData
}
});


}
});
}
Else
{
Ext. Msg. alert ('select the data item to delete! ');
}
};
/**//***/
Ext. state. Manager. setProvider
(New Ext. state. SessionProvider ({state: Ext. appState }));

// Tabs for the center
Var tabs = new Ext. TabPanel ({
Region: 'center ',
Margins: '3 3 3 0 ',
ActiveTab: 0,
Defaults :{
AutoScroll: true
},
Items :[{
Title: 'extjs version ',
ContentEl: 'user-grid' // html id to be filled
},{
Title: 'gtgrid version ',
Html: 'gtgrid does not support integration with Extjs (window) at the moment. <a href = "$ {ctx}/gt. jsp"> click here to show my example </>'
},{
Title: 'More reference ',
Html: 'learn more <a href = "http://www.blogjava.net/supercrsky"> my blog </a>'
}]
});

// Panel for the west
Var nav = new Ext. Panel ({
Title: 'menu directory ',
Region: 'west ',
Split: true,
Width: 200,
Collapsible: true,
Margins: '3 0 3 3 ',
Cmargins: '3 3 3 3 ',
Layout: 'accordion ',
LayoutConfig :{
Animate: true
},
Items :[{
Html: Ext. example. Invalid bogusmarkup,
Title: 'user management ',
AutoScroll: true,
Border: false,
IconCls: 'nav'
},{
Title: 'user configuration ',
Html: Ext. example. shortBogusConfig,
Border: false,
AutoScroll: true,
IconCls: 'settings'
}]
});

Var win = new Ext. Window ({
Title: 'user management microsystem ',
Closable: true,
Maximizable: true,
Minimizable: true,
Width: '200 ',
Height: '20140901 ',
Plain: true,
Layout: 'border ',
Closable: false,
Items: [nav, tabs]
});

Win. show ();
Win. maximize ();

});
-->
</Script>
</Head>
<Body>
<! -- Js used in the sidebar -->
<Script type = "text/javascript" src = "js/ext-2.2/shared/examples. js"> </script>
</Body>
</Html>

Complete source code download click here to download

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