Extjs learning 2

Source: Internet
Author: User
1. icons in the extjs dialog box

To add an image in the dialog box, you can easily add a style:

<Style>

. Milton-Icon {Background: URL (images/milton-head-icon.png) No-Repeat ;}

</Style>

Then, in the dialog box, Set

Ext. msg. Show ({

Title: 'millon ',

MSG: 'Have you seen my stapler? ',

Buttons: {yes: True, No: True, cancel: true },

Icon: 'milton-Icon ',

Set the icon here and point out its CSS style.

2. Dialog Box selection, including clicking different button responses

Ext. onready (function (){

Ext. msg. Show ({

Title: 'millon ',

MSG: 'Have you seen my stapler? ',

Buttons: {yes: True, No: True, cancel: true },

Icon: 'milton-Icon ',

Defaultbutton: 'no ',

FN: function (BTN ){

Switch (BTN ){

Case 'yes ':

Ext. msg. Prompt ('millon', 'Where is it? ', Function

(BTN, txt ){

If (txt. tolowercase () = 'The Office '){

Ext. Get ('My _ id'). Dom. innerhtml = 'work

Sucks ';

} Else {

Ext. Get ('My _ id'). Dom. innerhtml = txt;

}

});

Break;

Case 'no ':

Ext. msg. Alert ('millon', 'im going to burn the building

Down! ');

Break;

Case 'cancel ':

Ext. msg. Wait ('saving tables to disk... ', 'file copy ');

Break;

}

}

});

});

3 ext references a div ID. You can use Ext. Get ('myid') to set

4 ext calendar, you can disable certain dates and support regular expressions, such

{

Xtype: 'datefield ',

Fieldlabel: 'released ',

Name: 'released ',

Disableddays: [1, 2, 3, 4, 5]

}]

The day of week 6 is prohibited. All days except the day are disabled. 0 indicates Sunday, and 6 indicates week 6.

5. Set the verification style, for example:

{

Xtype: 'textfield ',

Fieldlabel: 'ctor ctor ',

Name: 'ctor ctor ',

Vtype: 'alpha'

}

Vtype has a verification style. For example, Alpha has to allow letters and numbers, emails, URLs, and so on.

6. Create a custom authentication method

For example, if you want to create a verification with spaces between strings to be entered

{

Xtype: 'textfield ',

Fieldlabel: 'ctor ctor ',

Name: 'ctor ctor ',

Vtype: 'name'

}

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 Director name .';

Ext. Form. vtypes. Name = function (v ){

Return Ext. Form. vtypes. nameval. Test (v );

};

 

Xxxxval is a regular expression used for matching. xxxmask is used to block user input. xxxxtext is used for error messages.

7. In the form, listen to the press ENTER event.

Items :[{

Xtype: 'textfield ',

Fieldlabel: 'title ',

Name: 'title ',

Allowblank: false,

Listeners :{

Specialkey: function (FRM, EVT ){

If (EVT. getkey () = EVT. Enter ){

Movie_form.getform (). Submit ();

}

}

}

8. Cell display function in Grid

Use HTML and graphics in a column, for example:

{Header: "cover", dataindex: 'coverthumb', Renderer: cover_image },

Function cover_image (VAL ){

Return ' ';

}

9. A row in the grid is selected;

SM: New Ext. Grid. rowselectionmodel ({

Singleselect: True,

Listeners :{

Rowselect :{

FN: function (SM, index, record) {Ext. msg. Alert ('you

Selected', record. Data. Title );}

}

}

}),

Note that the first action is 0.

10. Click a button to edit the data of a row.

Tbar :[{

// Changes the title of the currently selected row usign A MessageBox

Text: 'change title ',

Handler: function (){

VaR Sm = grid. getselectionmodel ();

// Get the selected row (if exists)

VaR sel = Sm. getselected ();

// Has something been selected?

If (Sm. hasselection ()){

Ext. msg. Show ({

Title: 'change title ',

Prompt: True,

Buttons: Ext. MessageBox. okcancel,

Value: SEL. Data. title,

FN: function (BTN, text ){

If (BTN = 'OK '){

// Set a new value for one of

// Columns in our selected row

Sel. Set ('title', text );

}

}

});

}

}

11 In editorgrid, you can determine that some rows cannot be edited by using the Afteredit event.

Listeners :{

Afteredit: function (e ){

If (E. Field = 'ctor ctor '& E. value = 'mel gibson '){

Ext. msg. Alert ('error', 'mel Gibson movies not allowed ');

E. Record. Reject ();

} Else {

E. Record. Commit ();

}

}

Note that E. Filed is used to determine the column where E. value is located.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.