Add Button on Custom Plugin in WordPress

Question

I am working on custom plugin in WP.I have showed the data in table format.Now i am trying to add functionality to plugin.But my table missing header and footer just like normal data listing in WP like Pages and Posts etc.Also i added the new button link.Either this is the right way ? I want to load my page on button clickMy code is :

enter image description here

function extra_tablenav( $which ) {
   if ( $which == "top" ){
      //The code that goes before the table is here
      echo '<h2>Letter Templates <a href="http://localhost/letter/wp-content/plugins/letter/add-letter.php?type=new" class="add-new-h2">Add New</a></h2>';
   }

}

function get_columns() {
   return $columns= array(
      'col_id'=>__('ID'),
      'col_name'=>__('Name'),
      'col_url'=>__('Url'),
      'col_description'=>__('Description')
   );
}
public function get_sortable_columns() {
   return $sortable = array(
      'col_id'=>'id',
      'col_name'=>'name'
   );
}

Vidya L · Accepted Answer · 2014-12-03 09:17:16Z

1

You can use the $_column_headers extended Property this property is assigned automatically, must manually define it in their prepare_items() or __construct() methods. like,

    function prepare_items(){
      $columns = array(
                 'cb'   => '<input type="checkbox" />', //Render a checkbox instead of text
                 'col_id'   => 'ID',
                 'col_name' => 'Name',
                 'col_url'  => 'URL',
                 'col_description'  => 'Description',
               );
      $sortable_columns = array(
                 'col_id'   => 'ID',
                 'col_name' => 'Name',
               );
      $hidden = array();
      $this->_column_headers = array($columns, $hidden, $sortable);            

    }
    function extra_tablenav( $which ) {
      if ( $which == "top" ){
        echo '<h2>Letter Templates <a href="admin.php?page=letter-template&type=new">Add New</a></h2>';
     }

   }

The Wordpress natively supports URLs like wp-admin/admin.php?page= you acess plugin pages like wp-admin/admin.php?page=mypage&tab=add-letter And then in your code you just look at the GET and pull up the main page or a sub-page as needed. like

   if(isset($_GET['type']) && $_GET['type']=='new'){
     include('add-letter.php');
   }

check

edited Dec 3, 2014 at 9:17

answered Dec 3, 2014 at 5:25

Vidya L

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11 Comments

Mahmood Rehman Over a year ago

Great And many thanks .header and footer are showed.Any idea about the add button ?

Vidya L Over a year ago

what you want to do with the link? it is showing right

Mahmood Rehman Over a year ago

I am not sure but i use link for adding ? Do this is the way i am doing OR in WP have alternates for adding.What is the way the best way of adding data to DB in WP custom plugins.Hope you got my point

Vidya L Over a year ago

no issues you can extra_tablenav like href="admin.php?page=add-letter.php&type=new"

Vidya L Over a year ago

hope you understand it

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