/*

* Thiết lập widgetQThinh: Tên, base ID

*/

function __construct(){

parent::__construct(

'widget_qthinh',

'Widget Demo',

array('description' => 'Description of Widget Demo')

);

}

/*

* Create FORM option for widgetQThinh

*/

function form($instance){

$default = array(

'title' => 'Widget Demo',

'number_post' => '5',

'current_category' => ''

);

// Gộp các giá trị của $default vào $instance để nó trở thành giá trị mặc định

$instance = wp_parse_args((array)$instance, $default);

// Gán giá trị ($instance['title'] cho $title (khởi tạo biến $title))

$title = esc_attr($instance['title']);

$number_post = esc_attr($instance['number_post']);

// Get title

echo "<p>Title:</p>";

echo "<p><input type=\"text\" name=\"".$this->get_field_name('title')."\" value=\"".$title."\" /></p>";

// Select category

$all_categories = get_all_category_ids();

echo "<p>Category:</p>";

echo "<p><select id=\"".$this->get_field_id('current_category')."\" name=\"".$this->get_field_name('current_category')."\" >";

foreach ($all_categories as $category)

{

if ($category == $instance['current_category'])

echo "<option value=\"". $category ."\" selected=\"selected\">".get_cat_name($category)."</option>";

else

echo "<option value=\"". $category ."\">".get_cat_name($category)."</option>";

}

echo "</select></p>";

// Get count

echo "<p>Show number posts:</p>";

echo "<p><input type=\"text\" name=\"".$this->get_field_name('number_post')."\" value=\"".$number_post."\" /></p>";

}

/*

* Save Widget_QThinh (update values in DB)

*/

function update($new_instance, $old_instance){

parent::update($new_instance, $old_instance);

$instance = $old_instance;

$instance['title'] = strip_tags($new_instance['title']);

$instance['number_post'] = strip_tags($new_instance['number_post']);

$instance['current_category'] = strip_tags($new_instance['current_category']);

return $instance;

}

/*

* Show Widget_QThinh

*/

function widget($args, $instance){

extract($args);

// Khởi tạo biến $title

$title = apply_filters('widget_title', $instance['title']);

echo $before_widget;

// In tiêu đề cho Widget

echo $before_title.$title.$after_title;

// Content in Widget

$my_query = quocthinh_get_post_categoryID($instance['current_category'], $instance['number_post']);

if ($my_query->have_posts())

{

while($my_query->have_posts()) : $my_query->the_post();

?>

<p><a href="<?php the_permalink(); ?>" rel="bookmark" title="<?php the_title_attribute(); ?>"><?php the_title(); ?></a></p>

<?php

endwhile;

}

// End content Widget

echo $after_widget;

}