falang / includes / widgets-language.php

widgets-language.php in Falang multilanguage for WordPress trunk, at includes/widgets-language.php

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1	<?php
2
3	use Falang\Model\Falang_Model;
4	/**
5	* The language switcher widget
6	*
7	* @since 0.1
8	*/
9	class Falang_Widget_Language_Switcher extends WP_Widget {
10
11	/**
12	* Holds widget settings defaults options, populated in constructor.
13	*
14	* @var array
15	*/
16	protected $defaults;
17
18
19	/**
20	* Constructor
21	*
22	* @since 0.1
23	*/
24	public function __construct() {
25	parent::__construct(
26	'falang',
27	__( 'Falang Language Switcher', 'falang' ),
28	array(
29	'description' => __( 'Displays a language switcher', 'falang' ),
30	'customize_selective_refresh' => true,
31	)
32	);
33
34	//set up default options
35	$this->defaults = array(
36	'title' => '',
37	'display_name' => 1,
38	'display_flags' => 0,
39	'positioning' => 'h', // vertical\|horizontal
40	'display_type' => 'list', // types: list: vertical or horizontal list, select: selectbox
41	'hide_current' => 1
42	);
43
44	}
45
46	/**
47	* Displays the widget
48	*
49	* @since 0.1
50	*
51	* @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
52	* @param array $instance The settings for the particular instance of the widget
53	*/
54	function widget( $args, $instance ) {
55	//TODO display message if language switcher not activated (see sublanguage)
56
57	extract( $args );
58
59	$fswicher = new \Falang\Core\Language_Switcher($instance);
60
61	/** Merge with defaults */
62	$this->instance = wp_parse_args( (array) $instance, $this->defaults );
63
64
65	$title = empty( $instance['title'] ) ? '' : $instance['title'];
66	/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
67	$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
68
69	echo $args['before_widget'];
70	if ( $title ) {
71	echo $args['before_title'] . $title . $args['after_title'];
72	}
73
74	echo $fswicher->display_switcher();
75
76	echo $args['after_widget'];
77	}
78
79	/**
80	* Displays the widget form
81	*
82	* @since 1.0
83	* @update 1.3.35 change the initialisation of the default value
84	*
85	* @param array $instance Current settings
86	*/
87	function form( $instance ) {
88	$instance = wp_parse_args( (array) $instance, $this->defaults );
89	$title = strip_tags( $instance['title'] );
90
91	?>
92	<!-- title -->
93	<p>
94	<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php echo esc_html__( 'Title', 'falang' ); ?>:</label>
95	<input class="widefat" type="text" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" class="widefat" />
96	</p>
97
98	<!-- display type -->
99	<p>
100	<label for="<?php echo $this->get_field_id( 'display_type' ); ?>"><?php _e( 'Display as', 'falang' ); ?>:</label>
101	<select id="<?php echo $this->get_field_id( 'display_type' ); ?>" name="<?php echo $this->get_field_name( 'display_type' ); ?>">
102	<option value="list" <?php selected( 'list', $instance['display_type'] ); ?>><?php _e( 'List (vertical or horizontal)', 'falang' ); ?></option>
103	<!-- <option value="select" --><?php //selected( 'select', $instance['display_type'] ); ?><!-->--><?php //_e( 'Select Box', 'falang' ); ?><!--</option>-->
104	</select>
105	</p>
106
107	<!-- positioning -->
108	<p <?php echo ($instance['display_type'] == 'select' ? 'style="display: none;"' : ''); ?>>
109	<label for="<?php echo $this->get_field_id( 'positioning' ); ?>"><?php _e( 'Positioning', 'falang' ); ?>:</label>
110	<select id="<?php echo $this->get_field_id( 'positioning' ); ?>" name="<?php echo $this->get_field_name( 'positioning' ); ?>">
111	<option value="h" <?php selected( 'h', $instance['positioning'] ); ?>><?php _e( 'Horizontally', 'falang' ); ?></option>
112	<option value="v" <?php selected( 'v', $instance['positioning'] ); ?>><?php _e( 'Vertically', 'falang' ); ?></option>
113	</select>
114	</p>
115
116	<!-- display name -->
117	<p <?php echo ($instance['display_type'] == 'select' ? 'style="display: none;"' : ''); ?>>
118	<input type="checkbox" id="<?php echo $this->get_field_id( 'display_name' ); ?>" name="<?php echo $this->get_field_name( 'display_name' ); ?>" value="1" <?php checked('1',$instance['display_name']); ?>/>
119
120	<label for="<?php echo $this->get_field_id( 'display_name' ); ?>"><?php _e( 'Display Language Names', 'falang' ); ?>:</label>
121	</p>
122
123	<!-- display flag -->
124	<p class="option_display_list" <?php echo ($instance['display_type'] == 'select' ? 'style="display: none;"' : ''); ?>>
125	<input type="checkbox" id="<?php echo $this->get_field_id( 'display_flags' ); ?>" name="<?php echo $this->get_field_name( 'display_flags' ); ?>" value="1" <?php checked('1',$instance['display_flags']); ?>/>
126
127	<label for="<?php echo $this->get_field_id( 'display_flags' ); ?>"><?php _e( 'Display Flags', 'falang' ); ?>:</label>
128	</p>
129
130	<!-- hide current language -->
131	<p>
132	<input class="checkbox" type="checkbox" id="<?php echo $this->get_field_id( 'hide_current' ); ?>" name="<?php echo $this->get_field_name( 'hide_current' ); ?>" value="1" <?php checked('1',$instance['hide_current']); ?>/>
133
134	<label for="<?php echo $this->get_field_id( 'hide_current' ); ?>"><?php _e( 'Hides the current language', 'falang' ); ?>:</label>
135	</p>
136
137
138	<?php
139
140	// FIXME echoing script in form is not very clean
141	// but it does not work if enqueued properly :
142	// clicking save on a widget makes this code unreachable for the just saved widget ( ?! )
143	$this->admin_print_script();
144
145	}
146
147	/**
148	* Updates the widget options
149	*
150	* @since 1.0
151	*
152	* @param array $new_instance New settings for this instance as input by the user via form()
153	* @param array $old_instance Old settings for this instance
154	* @return array Settings to save or bool false to cancel saving
155	*/
156	function update( $new_instance, $old_instance ) {
157	$new_instance['title'] = strip_tags( $new_instance['title'] );
158
159
160	$new_instance['positioning'] = strip_tags( $new_instance['positioning'] );
161	$new_instance['display_name'] = strip_tags( $new_instance['display_name'] );
162	$new_instance['display_flags'] = strip_tags( $new_instance['display_flags'] );
163	$new_instance['display_type'] = strip_tags( $new_instance['display_type'] );
164	$new_instance['hide_current'] = strip_tags( $new_instance['hide_current'] );
165
166	return $new_instance;
167	}
168
169	/**
170	* Add javascript to control the switcher widget options
171	*
172	* @since 1.0
173	*/
174	public function admin_print_script() {
175	static $done = false;
176
177	if ( $done ) {
178	return;
179	}
180
181	$done = true;
182	?>
183	<script type='text/javascript'>
184	//<![CDATA[
185	jQuery( document ).ready( function( $ ) {
186
187	function checkSwitchOn(check1,check2) {
188	if (check1.prop('checked') == false && check2.prop('checked') == false) {
189	check2.prop('checked',true);
190	}
191	}
192
193	// $('.widgets-sortables,.control-section-sidebar').on('change','.sublanguagesw_display_type',function() {
194	// var displayType = $(this).val();
195	// if (displayType == 'select') {
196	// $(this).parent().parent().find('.option_display_list').hide();
197	// } else {
198	// $(this).parent().parent().find('.option_display_list').show();
199	// }
200	// });
201	//
202	// $('.widgets-sortables,.control-section-sidebar').on('change','.sublanguagesw_option_display_flags',function() {
203	// checkSwitchOn($(this),$(this).parent().parent().find('.sublanguagesw_option_display_name'));
204	// });
205	//
206	// $('.widgets-sortables,.control-section-sidebar').on('change','.sublanguagesw_option_display_name',function() {
207	// checkSwitchOn($(this),$(this).parent().parent().find('.sublanguagesw_option_display_flags'));
208	// });
209
210	} );
211	//]]>
212	</script>
213	<?php
214	}
215
216
217	}