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footnotes/class/widgets/base.php

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<?php // phpcs:disable WordPress.Files.FileName.InvalidClassFileName
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/**
* Widget base.
*
* @filesource
* @package footnotes
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* @since 1.5.0
*
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* @since 1.6.4 Update: replace deprecated function WP_Widget() with recommended __construct(), thanks to @dartiss code contribution.
*/
/**
* Base Class for all Plugin Widgets. Registers each Widget to WordPress.
* The following Methods MUST be overwritten in each sub class:
* **public function widget($args, $instance)** -> echo the Widget Content
* **public function form($instance)** -> echo the Settings of the Widget
*
* @author Stefan Herndler
* @since 1.5.0
*/
abstract class MCI_Footnotes_Widget_Base extends WP_Widget {
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/**
* Returns an unique ID as string used for the Widget Base ID.
*
* @since 1.5.0
* @return string
*/
abstract protected function get_id();
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/**
* Returns the Public name of child Widget to be displayed in the Configuration page.
*
* @since 1.5.0
* @return string
*/
abstract protected function get_name();
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/**
* Returns the Description of the child widget.
*
* @since 1.5.0
* @return string
*/
abstract protected function get_description();
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/**
* Returns the width of the Widget. Default width is 250 pixel.
*
* @since 1.5.0
* @return int
*/
protected function get_widget_width() {
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return 250;
}
/**
* Class Constructor. Registers the child Widget to WordPress.
*
* @since 1.5.0
*
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* - Update: replace deprecated function WP_Widget() with recommended __construct(), thanks to @dartiss code contribution.
*
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* @since 1.6.4
* @contributor @dartiss
* @link https://plugins.trac.wordpress.org/browser/footnotes/trunk/class/widgets/base.php?rev=1445720
* “The called constructor method for WP_Widget in MCI_Footnotes_Widget_ReferenceContainer is deprecated since version 4.3.0! Use __construct() instead.
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*/
public function __construct() {
$l_arr_widget_options = array(
'classname' => __CLASS__,
'description' => $this->get_description(),
);
$l_arr_control_options = array(
'id_base' => strtolower( $this->get_id() ),
'width' => $this->get_widget_width(),
);
// Registers the Widget.
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parent::__construct(
strtolower( $this->get_id() ), // Unique ID for the widget, has to be lowercase.
$this->get_name(), // Plugin name to be displayed.
$l_arr_widget_options, // Optional Widget Options.
$l_arr_control_options // Optional Widget Control Options.
);
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}
}