← All changes | include/widget-languages.php +117 -84 2.9 → 1.5 View file →

		@@ -1,88 +1,73 @@
1	1	<?php
2		-/**
3		- * @package Polylang
4		- */
5	2
6		-/**
7		- * The language switcher widget
	3	+/*
	4	+ * the language switcher widget
8	5	*
9	6	* @since 0.1
10	7	*/
11	8	class PLL_Widget_Languages extends WP_Widget {
12	9
13		- /**
14		- * Constructor
	10	+ /*
	11	+ * constructor
15	12	*
16	13	* @since 0.1
17	14	*/
18		- public function __construct() {
19		- parent::__construct(
20		- 'polylang',
21		- __( 'Language switcher', 'polylang' ),
22		- array(
23		- 'description' => __( 'Displays a language switcher', 'polylang' ),
24		- 'customize_selective_refresh' => true,
25		- )
26		- );
	15	+ function __construct() {
	16	+ parent::__construct('polylang', __('Language Switcher', 'polylang'), array( 'description' => __( 'Displays a language switcher', 'polylang')));
27	17	}
28	18
29		- /**
30		- * Displays the widget
	19	+ /*
	20	+ * displays the widget
31	21	*
32	22	* @since 0.1
33	23	*
34		- * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
	24	+ * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
35	25	* @param array $instance The settings for the particular instance of the widget
36	26	*/
37		- public function widget( $args, $instance ) {
38		- // Sets a unique id for dropdown.
39		- $instance['dropdown'] = empty( $instance['dropdown'] ) ? 0 : $args['widget_id'];
	27	+ function widget($args, $instance) {
	28	+ global $polylang;
	29	+ if (!(isset($polylang) && $polylang->model->get_languages_list() && $list = pll_the_languages(array_merge($instance, array('echo' => 0)))))
	30	+ return;
40	31
41		- if ( $list = pll_the_languages( array_merge( $instance, array( 'echo' => 0 ) ) ) ) {
42		- $title = empty( $instance['title'] ) ? '' : $instance['title'];
	32	+ extract($args);
	33	+ extract($instance);
43	34
44		- /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
45		- $title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
	35	+ echo "$before_widget\n";
	36	+ if ($title = apply_filters('widget_title', $title, $instance, $this->id_base))
	37	+ echo $before_title . $title . $after_title;
	38	+ echo $dropdown ? $list : "<ul>\n" . $list . "</ul>\n";
	39	+ echo "$after_widget\n";
46	40
47		- echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput
48		-
49		- if ( $title ) {
50		- echo $args['before_title'] . $title . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput
	41	+ // javascript to switch the language when using a dropdown list
	42	+ if ($dropdown) {
	43	+ foreach ($polylang->model->get_languages_list() as $language) {
	44	+ $url = $force_home || ($url = $polylang->links->get_translation_url($language)) == null ? $polylang->links->get_home_url($language) : $url;
	45	+ $urls[] = '"'.esc_js($language->slug).'":"'.esc_url($url).'"';
51	46	}
52	47
53		- // The title may be filtered: Strip out HTML and make sure the aria-label is never empty.
54		- $aria_label = trim( wp_strip_all_tags( $title ) );
55		- if ( ! $aria_label ) {
56		- $aria_label = __( 'Choose a language', 'polylang' );
57		- }
	48	+ $urls = implode(',', $urls);
58	49
59		- if ( $instance['dropdown'] ) {
60		- echo '<label class="screen-reader-text" for="' . esc_attr( 'lang_choice_' . $instance['dropdown'] ) . '">' . esc_html( $aria_label ) . '</label>';
61		- echo $list; // phpcs:ignore WordPress.Security.EscapeOutput
62		- } else {
63		- $format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml';
	50	+ $js = "
	51	+ <script type='text/javascript'>
	52	+ //<![CDATA[
	53	+ var urls = {{$urls}};
	54	+ var d = document.getElementById('lang_choice');
	55	+ d.onchange = function() {
	56	+ for (var i in urls) {
	57	+ if (this.value == i)
	58	+ location.href = urls[i];
	59	+ }
	60	+ }
	61	+ //]]>
	62	+ </script>";
64	63
65		- /** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */
66		- $format = apply_filters( 'navigation_widgets_format', $format );
67		-
68		- if ( 'html5' === $format ) {
69		- echo '<nav role="navigation" aria-label="' . esc_attr( $aria_label ) . '">';
70		- }
71		-
72		- echo "<ul>\n" . $list . "</ul>\n"; // phpcs:ignore WordPress.Security.EscapeOutput
73		-
74		- if ( 'html5' === $format ) {
75		- echo '</nav>';
76		- }
77		- }
78		-
79		- echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput
	64	+ echo $js;
80	65	}
81	66	}
82	67
83		- /**
84		- * Updates the widget options
	68	+ /*
	69	+ * updates the widget options
85	70	*
86	71	* @since 0.4
87	72	*
88	73	* @param array $new_instance New settings for this instance as input by the user via form()
		@@ -88,47 +73,95 @@
88	73	* @param array $new_instance New settings for this instance as input by the user via form()
89	74	* @param array $old_instance Old settings for this instance
90	75	* @return array Settings to save or bool false to cancel saving
91	76	*/
92		- public function update( $new_instance, $old_instance ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
93		- $instance = array( 'title' => sanitize_text_field( $new_instance['title'] ) );
94		- foreach ( array_keys( PLL_Switcher::get_switcher_options( 'widget' ) ) as $key ) {
95		- $instance[ $key ] = ! empty( $new_instance[ $key ] ) ? 1 : 0;
96		- }
	77	+ function update( $new_instance, $old_instance ) {
	78	+ $instance['title'] = strip_tags($new_instance['title']);
	79	+ foreach (array_keys(PLL_Switcher::get_switcher_options('widget')) as $key)
	80	+ $instance[$key] = !empty($new_instance[$key]) ? 1 : 0;
97	81
98	82	return $instance;
99	83	}
100	84
101		- /**
102		- * Displays the widget form
	85	+ /*
	86	+ * displays the widget form
103	87	*
104	88	* @since 0.4
105	89	*
106	90	* @param array $instance Current settings
107	91	*/
108		- public function form( $instance ) {
109		- // Default values
110		- $instance = wp_parse_args( (array) $instance, array_merge( array( 'title' => '' ), PLL_Switcher::get_switcher_options( 'widget', 'default' ) ) );
	92	+ function form($instance) {
	93	+ // default values
	94	+ $instance = wp_parse_args( (array)$instance, array_merge(array('title' => ''), PLL_Switcher::get_switcher_options('widget', 'default')) );
111	95
112		- // Title
113		- printf(
	96	+ // title
	97	+ $title = sprintf(
114	98	'<p><label for="%1$s">%2$s</label><input class="widefat" id="%1$s" name="%3$s" type="text" value="%4$s" /></p>',
115		- esc_attr( $this->get_field_id( 'title' ) ),
116		- esc_html__( 'Title:', 'polylang' ),
117		- esc_attr( $this->get_field_name( 'title' ) ),
118		- esc_attr( $instance['title'] )
	99	+ $this->get_field_id('title'),
	100	+ __('Title:', 'polylang'),
	101	+ $this->get_field_name('title'),
	102	+ esc_attr($instance['title'])
119	103	);
120	104
121		- foreach ( PLL_Switcher::get_switcher_options( 'widget' ) as $key => $str ) {
122		- printf(
123		- '<div%5$s%6$s><input type="checkbox" class="checkbox %7$s" id="%1$s" name="%2$s"%3$s /><label for="%1$s">%4$s</label></div>',
124		- esc_attr( $this->get_field_id( $key ) ),
125		- esc_attr( $this->get_field_name( $key ) ),
126		- checked( $instance[ $key ], true, false ),
127		- esc_html( $str ),
128		- in_array( $key, array( 'show_names', 'show_flags', 'hide_current' ) ) ? sprintf( ' class="no-dropdown-%s"', esc_attr( $this->id ) ) : '',
129		- ( ! empty( $instance['dropdown'] ) && in_array( $key, array( 'show_names', 'show_flags', 'hide_current' ) ) ? ' style="display:none;"' : '' ),
130		- esc_attr( 'pll-' . $key )
	105	+ $fields = '';
	106	+ foreach (PLL_Switcher::get_switcher_options('widget') as $key => $str)
	107	+ $fields .= sprintf(
	108	+ '<div class = "%5$s" %6$s><input type="checkbox" class="checkbox" id="%1$s" name="%2$s" %3$s/> <label for="%1$s">%4$s</label></div>',
	109	+ $this->get_field_id($key),
	110	+ $this->get_field_name($key),
	111	+ $instance[$key] ? 'checked="checked"' : '',
	112	+ esc_html($str),
	113	+ 'dropdown' == $key ? '' : 'no-dropdown-' . $this->id,
	114	+ 'dropdown' == $key || empty($instance['dropdown']) ? '' : 'style="display:none;"'
131	115	);
132		- }
	116	+
	117	+
	118	+ echo $title.'<p>'.$fields.'</p>';
	119	+
	120	+ // FIXME echoing script in form is not very clean
	121	+ // but it does not work if enqueued properly :
	122	+ // clicking save on a widget makes this code unreachable for the just saved widget (?!)
	123	+ $this->admin_print_script();
	124	+ }
	125	+
	126	+ /*
	127	+ * add javascript to control the language switcher options
	128	+ *
	129	+ * @since 1.3
	130	+ */
	131	+ public function admin_print_script() {
	132	+ static $js = '';
	133	+
	134	+ if ($js)
	135	+ return;
	136	+
	137	+ $js = "
	138	+ <script type='text/javascript'>
	139	+ //<![CDATA[
	140	+ jQuery(document).ready(function($) {
	141	+ function pll_toggle(a, test) {
	142	+ test ? a.show() : a.hide();
	143	+ }
	144	+
	145	+ var widgets = new Array();
	146	+ $('.widget-id').each( function(){
	147	+ var this_id = $(this).attr('value');
	148	+
	149	+ // remove all options if dropdown is checked
	150	+ $('#widget-'+this_id+'-dropdown').change(function() {
	151	+ pll_toggle($('.no-dropdown-'+this_id), 'checked' != $(this).attr('checked'));
	152	+ });
	153	+
	154	+ // disallow unchecking both show names and show flags
	155	+ $('#widget-'+this_id+'-show_flags').change(function() {
	156	+ if ('checked' != $(this).attr('checked'))
	157	+ $('#widget-'+this_id+'-show_names').prop('checked', true);
	158	+ });
	159	+
	160	+ });
	161	+ });
	162	+ //]]>
	163	+ </script>";
	164	+
	165	+ echo $js;
133	166	}
134	167	}