Select All -- grid control -- magento query all information in the background

 

1

 

First write Controller

Public Function kunaction (){

$ This-> loadlayout ();

$ This-> _ addcontent ($ this-> getlayout ()-> createblock ('gao/manage_gao '));

 

$ This-> renderlayout ();

 

}

2

Write Block

APP/code/community/aq/GAO/block/manage/Gao. php

APP/code/community/aq/GAO/block/manage/GAO/grid. php

2.1

APP/code/community/aq/GAO/block/manage/Gao. php

 

<? PHP

 

Class aq_gao_block_manage_gao extends mage_adminhtml_block_widget_grid_container {

Public Function _ construct (){

// Use the generated path

$ This-> _ controller = 'Manage _ gao ';

// Module name

$ This-> _ blockgroup = 'gao ';

// Header title

$ This-> _ headertext = 'blog post manager ';

Parent: :__ construct ();

}

Protected function _ preparelayout (){

$ This-> setchild ('add _ new_button ',

$ This-> getlayout ()-> createblock ('adminhtml/widget_button ')

-> Setdata (Array (

'Label' => 'add Post ',

// The path to be executed after the button is pressed.

'Onclick' => "setlocation ('". $ this-> geturl (' */new ')."')",

'Class' => 'add'

))

 

 

);

// When there are multiple stores.

If (! Mage: APP ()-> issinglestoremode ()){

$ This-> setchild ('store _ switcher ',

$ This-> getlayout ()-> createblock ('adminhtml/store_switcher ')

-> Setuseconfirm (false)

-> Setswitchurl ($ this-> geturl ('*/*', array ('store' => null )))

);

}

// Specify the sub-block. Here the APP/code/community/aq/GAO/block/manage/GAO/grid. php

 

$ This-> setchild ('grid', $ this-> getlayout ()-> createblock ('gao/manage_gao_grid ', 'gao. grid '));

Return parent: _ preparelayout ();

}

 

 

}

2.2

APP/code/community/aq/GAO/block/manage/GAO/grid. php

 

The block is a sub-block of 2.1.

 

<? PHP

 

Class aq_gao_block_manage_gao_grid extends mage_adminhtml_block_widget_grid {

Public Function _ construct (){

 

Parent: :__ construct ();

//

$ This-> setid ('gaoge ');

// Sort by Time

$ This-> setdefaultsort ('created _ Time ');

// Sorting method

$ This-> setdefadir Dir ('desc ');

$ This-> setsaveparametersinsession (true );

 

}

Protected function _ getstore ()

{

$ Storeid = (INT) $ this-> getrequest ()-> getparam ('store', 0 );

Return Mage: APP ()-> getstore ($ storeid );

}

 

 

Protected function _ preparecollection ()

{

// Data loading

$ Collection = Mage: GetModel ('blog/blog')-> getcollection ();

$ Store = $ this-> _ getstore ();

If ($ store-> GETID ()){

$ Collection-> addstorefilter ($ store );

}

//

$ This-> setcollection ($ collection );

Return parent: _ preparecollection ();

}

 

 

Protected function _ preparecolumns (){

$ This-> AddColumn ('Post _ id', array (

'Header' => 'id ',

'Align '=> 'right ',

'Width' => '50px ',

'Index' => 'Post _ id ',

));

$ This-> AddColumn ('title', array (

'Header' => 'title ',

'Align '=> 'left ',

'Index' => 'title ',

));

// Echo "FDFD ";

Return parent: _ preparecolumns ();

 

 

}

// Click the path address for each row. And specify the output id value.

Public Function getrowurl ($ row)

{

Return $ this-> geturl ('*/edit', array ('id' => $ row-> GETID ()));

}

 

 

}