tag-dropdown-widget.php 21.3 KB
Newer Older
1
2
3
4
5
6
7
8
<?php
/*
Plugin Name: Taxonomy Dropdown Widget
Plugin URI: http://www.ethitter.com/plugins/taxonomy-dropdown-widget/
Description: Creates a dropdown list of non-hierarchical taxonomies as an alternative to the term (tag) cloud. Widget provides numerous options to tailor the output to fit your site. Dropdown function can also be called directly for use outside of the widget. Formerly known as <strong><em>Tag Dropdown Widget</em></strong>.
Author: Erick Hitter
Version: 2.0.3
Author URI: http://www.ethitter.com/
Erick Hitter's avatar
License    
Erick Hitter committed
9
10
11
12
13
14
15
16
17
18
19
20
21
22

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
23
24
25
26
27
28
*/

/**
 ** TAXONOMY DROPDOWN WIDGET PLUGIN
 **/
class taxonomy_dropdown_widget_plugin {
Erick Hitter's avatar
Erick Hitter committed
29
30
31
32
33
	/**
	 * Singleton!
	 */
	private static $__instance = null;

Erick Hitter's avatar
Erick Hitter committed
34
	/**
35
36
	 * Class variables
	 */
Erick Hitter's avatar
Erick Hitter committed
37
	protected $option_defaults = array(
38
39
40
41
42
43
44
45
46
47
48
49
50
51
		'taxonomy' => 'post_tag',
		'select_name' => 'Select Tag',
		'max_name_length' => 0,
		'cutoff' => '&hellip;',
		'limit' => 0,
		'order' => 'ASC',
		'orderby' => 'name',
		'threshold' => 0,
		'incexc' => 'exclude',
		'incexc_ids' => array(),
		'hide_empty' => true,
		'post_counts' => false
	);

Erick Hitter's avatar
Erick Hitter committed
52
53
54
55
56
57
58
59
60
61
62
63
64
	/**
	 * Implement the singleton
	 *
	 * @return object
	 */
	public static function get_instance() {
		if ( ! is_a( self::$__instance, __CLASS__ ) ) {
			self::$__instance = new self;
		}

		return self::$__instance;
	}

Erick Hitter's avatar
Erick Hitter committed
65
	/**
66
	 * Register actions and activation/deactivation hooks
Erick Hitter's avatar
Erick Hitter committed
67
68
69
	 * @uses add_action
	 * @uses register_activation_hook
	 * @uses register_deactivation_hook
70
71
	 * @return null
	 */
Erick Hitter's avatar
Erick Hitter committed
72
	protected function __construct() {
73
74
75
76
77
78
		add_action( 'widgets_init', array( $this, 'action_widgets_init' ) );

		register_activation_hook( __FILE__, array( $this, 'activation_hook' ) );
		register_deactivation_hook( __FILE__, array( $this, 'deactivation_hook' ) );
	}

Erick Hitter's avatar
Erick Hitter committed
79
	/**
80
	 * Run plugin cleanup on activation
81
	 * @uses this::cleanup
82
83
84
	 * @hook activation
	 * @return null
	 */
Erick Hitter's avatar
Erick Hitter committed
85
	public function activation_hook() {
86
87
88
		$this->cleanup();
	}

Erick Hitter's avatar
Erick Hitter committed
89
	/**
90
	 * Unregister widget when plugin is deactivated and run cleanup
91
	 * @uses this::cleanup
92
93
94
	 * @hook deactivation
	 * @return null
	 */
Erick Hitter's avatar
Erick Hitter committed
95
	public deactivation_hook() {
96
97
98
		$this->cleanup();
	}

Erick Hitter's avatar
Erick Hitter committed
99
	/**
100
	 * Remove options related to plugin versions older than 2.0.
101
	 * @uses add_filter
102
103
104
	 * @uses delete_option
	 * @return null
	 */
Erick Hitter's avatar
Erick Hitter committed
105
	private function cleanup() {
106
107
108
		if ( ! add_filter( 'taxonomy_dropdown_widget_run_cleanup', true ) )
			return;

109
110
111
112
113
114
115
		$legacy_options = array(
			'widget_TagDropdown',
			'widget_TagDropdown_exclude',
			'function_TagDropdown',
			'TDW_direct'
		);

116
		foreach ( $legacy_options as $legacy_option ) {
117
			delete_option( $legacy_option );
118
		}
119
120
	}

Erick Hitter's avatar
Erick Hitter committed
121
	/**
122
123
124
125
126
	 * Register widget
	 * @uses register_widget
	 * @action widgets_init
	 * @return null
	 */
Erick Hitter's avatar
Erick Hitter committed
127
	public function action_widgets_init() {
128
		if ( class_exists( 'taxonomy_dropdown_widget' ) )
129
130
131
			register_widget( 'taxonomy_dropdown_widget' );
	}

Erick Hitter's avatar
Erick Hitter committed
132
	/**
133
134
135
	 * Render widget
	 * @param array $options
	 * @param string|int $id
Erick Hitter's avatar
Erick Hitter committed
136
137
138
139
140
141
142
143
144
145
	 * @uses wp_parse_args
	 * @uses sanitize_title
	 * @uses apply_filters
	 * @uses get_terms
	 * @uses is_wp_error
	 * @uses is_tag
	 * @uses is_tax
	 * @uses esc_url
	 * @uses get_term_link
	 * @uses selected
146
147
	 * @return string or false
	 */
Erick Hitter's avatar
Erick Hitter committed
148
	public function render_dropdown( $options, $id = false ) {
149
150
151
152
		$options = wp_parse_args( $options, $this->option_defaults );
		extract( $options );

		//ID
153
		if ( is_numeric( $id ) )
154
			$id = intval( $id );
155
		elseif ( is_string( $id ) )
156
157
158
159
160
161
162
163
164
165
			$id = sanitize_title( $id );

		//Set up options array for get_terms
		$options = array(
			'order' => $order,
			'orderby' => $orderby,
			'hide_empty' => $hide_empty,
			'hierarchical' => false
		);

166
		if ( $limit )
167
168
			$options[ 'number' ] = $limit;

169
		if ( !empty( $incexc_ids ) )
170
171
172
173
174
175
176
177
			$options[ $incexc ] = $incexc_ids;

		$options = apply_filters( 'taxonomy_dropdown_widget_options', $options, $id );
		$options = apply_filters( 'TagDropdown_get_tags', $options );

		//Get terms
		$terms = get_terms( $taxonomy, $options );

178
		if ( !is_wp_error( $terms ) && is_array( $terms ) && !empty( $terms ) ) {
179
			//CSS ID
180
			if ( is_int( $id ) )
181
				$css_id = ' id="taxonomy_dropdown_widget_dropdown_' . $id . '"';
182
			elseif ( is_string( $id ) && !empty( $id ) )
183
184
185
186
187
188
189
190
191
				$css_id = ' id="' . $id . '"';

			//Start dropdown
			$output = '<select name="taxonomy_dropdown_widget_dropdown_' . $id . '" class="taxonomy_dropdown_widget_dropdown" onchange="document.location.href=this.options[this.selectedIndex].value;"' . ( isset( $css_id ) ? $css_id : '' ) . '>';

			$output .= '<option value="">' . $select_name . '</option>';

			//Populate dropdown
			$i = 1;
192
193
			foreach ( $terms as $term ) {
				if ( $threshold > 0 && $term->count < $threshold )
194
195
196
197
198
199
200
201
202
203
					continue;

				//Set selected attribute if on an archive page for the current term
				$current = is_tag() ? is_tag( $term->slug ) : is_tax( $taxonomy, $term->slug );

				//Open option tag
				$output .= '<option value="' . esc_url( get_term_link( (int)$term->term_id, $taxonomy ) ) . '"' . ( selected( $current, true , false ) ) . '>';

				//Tag name
				$name = esc_attr( $term->name );
204
				if ( $max_name_length > 0 && strlen( $name ) > $max_name_length )
205
206
207
208
					$name = substr( $name, 0, $max_name_length ) . $cutoff;
				$output .= $name;

				//Count
209
				if ( $post_counts )
210
211
212
213
214
215
216
217
218
219
220
221
					$output .= ' (' . intval( $term->count ) . ')';

				//Close option tag
				$output .= '</option>';

				$i++;
			}

			//End dropdown
			$output .= '</select>';

			return $output;
222
		} else {
223
			return false;
224
		}
225
226
	}

Erick Hitter's avatar
Erick Hitter committed
227
	/**
228
229
	 * Sanitize plugin options
	 * @param array $options
Erick Hitter's avatar
Erick Hitter committed
230
231
232
233
	 * @uses taxonomy_exists
	 * @uses sanitize_text_field
	 * @uses absint
	 * @uses wp_parse_args
234
235
	 * @return array
	 */
Erick Hitter's avatar
Erick Hitter committed
236
	public function sanitize_options( $options ) {
237
238
239
240
241
242
243
		$options_sanitized = array(
			'hide_empty' => true,
			'post_counts' => false
		);

		$keys = array_merge( array_keys( $this->option_defaults ), array( 'title' ) );

244
245
246
		if ( is_array( $options ) ) {
			foreach ( $keys as $key ) {
				if ( !array_key_exists( $key, $options ) )
247
248
249
250
251
252
					continue;

				$value = $options[ $key ];

				switch( $key ) {
					case 'taxonomy':
253
						if ( taxonomy_exists( $value ) )
254
255
256
257
258
259
260
261
							$options_sanitized[ $key ] = $value;
					break;

					case 'title':
					case 'select_name':
					case 'cutoff':
						$value = sanitize_text_field( $value );

262
						if ( !empty( $value ) || $key == 'title' )
263
264
265
266
267
268
269
270
271
272
							$options_sanitized[ $key ] = $value;
					break;

					case 'max_name_length':
					case 'limit':
					case 'threshold':
						$options_sanitized[ $key ] = absint( $value );
					break;

					case 'order':
273
						if ( $value == 'ASC' || $value == 'DESC' )
274
275
276
277
							$options_sanitized[ $key ] = $value;
					break;

					case 'orderby':
278
						if ( $value == 'name' || $value == 'count' )
279
280
281
282
							$options_sanitized[ $key ] = $value;
					break;

					case 'incexc':
283
						if ( $value == 'include' || $value == 'exclude' )
284
285
286
287
288
289
							$options_sanitized[ $key ] = $value;
					break;

					case 'incexc_ids':
						$options_sanitized[ $key ] = array();

290
						if ( is_string( $value ) )
291
292
							$value = explode( ',', $value );

293
294
						if ( is_array( $value ) ) {
							foreach ( $value as $term_id ) {
295
296
								$term_id = intval( $term_id );

297
								if ( $term_id > 0 )
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
									$options_sanitized[ $key ][] = $term_id;

								unset( $term_id );
							}

							sort( $options_sanitized[ $key ], SORT_NUMERIC );
						}
					break;

					case 'hide_empty':
					case 'post_counts':
						$options_sanitized[ $key ] = (bool)$value;
					break;

					default:
						continue;
					break;
				}
			}
		}

		//Ensure array contains all keys by parsing against defaults after options are sanitized
		$options_sanitized = wp_parse_args( $options_sanitized, $this->option_defaults );

		return $options_sanitized;
	}
}
Erick Hitter's avatar
Erick Hitter committed
325
$GLOBALS['taxonomy_dropdown_widget_plugin'] = taxonomy_dropdown_widget_plugin::get_instance();
326
327
328
329
330

/**
 ** TAXONOMY DROPDOWN WIDGET
 **/
class taxonomy_dropdown_widget extends WP_Widget {
Erick Hitter's avatar
Erick Hitter committed
331
	/**
332
333
334
335
336
337
	 * Class variables
	 */
	var $defaults = array(
		'title' => 'Tags'
	);

Erick Hitter's avatar
Erick Hitter committed
338
	/**
339
	 * Register widget and populate class variables
Erick Hitter's avatar
Erick Hitter committed
340
341
	 * @uses this::WP_Widget
	 * @uses taxonomy_dropdown_widget_plugin
342
343
	 * @return null
	 */
Erick Hitter's avatar
Erick Hitter committed
344
	public function __construct() {
345
346
347
348
		$this->WP_Widget( false, 'Taxonomy Dropdown Widget', array( 'description' => 'Displays selected non-hierarchical taxonomy terms in a dropdown list.' ) );

		//Load plugin class and populate defaults
		global $taxonomy_dropdown_widget_plugin;
349
		if ( !is_a( $taxonomy_dropdown_widget_plugin, 'taxonomy_dropdown_widget_plugin' ) )
350
351
			$taxonomy_dropdown_widget_plugin = new taxonomy_dropdown_widget_plugin;

352
		if ( is_object( $taxonomy_dropdown_widget_plugin ) && property_exists( $taxonomy_dropdown_widget_plugin, 'option_defaults' ) && is_array( $taxonomy_dropdown_widget_plugin->option_defaults ) )
353
354
355
			$this->defaults = array_merge( $taxonomy_dropdown_widget_plugin->option_defaults, $this->defaults );
	}

Erick Hitter's avatar
Erick Hitter committed
356
	/**
357
358
359
	 * Render widget
	 * @param array $args
	 * @param array $instance
Erick Hitter's avatar
Erick Hitter committed
360
361
362
	 * @uses taxonomy_dropdown_widget_plugin
	 * @uses wp_parse_args
	 * @uses apply_filters
363
364
	 * @return string or null
	 */
Erick Hitter's avatar
Erick Hitter committed
365
	public function widget( $args, $instance ) {
366
367
		//Get plugin class for default options and to build widget
		global $taxonomy_dropdown_widget_plugin;
368
		if ( !is_a( $taxonomy_dropdown_widget_plugin, 'taxonomy_dropdown_widget_plugin' ) )
369
370
371
372
373
374
375
376
			$taxonomy_dropdown_widget_plugin = new taxonomy_dropdown_widget_plugin;

		//Options
		$instance = wp_parse_args( $instance, $this->defaults );
		extract( $args );
		extract( $instance );

		//Widget
377
		if ( $widget = $taxonomy_dropdown_widget_plugin->render_dropdown( $instance, $this->number ) ) {
378
379
380
			//Wrapper and title
			$output = $before_widget;

381
			if ( !empty( $title ) )
382
383
384
385
386
387
388
389
390
391
392
393
				$output .= $before_title . apply_filters( 'taxonomy_dropdown_widget_title', '<label for="taxonomy_dropdown_widget_dropdown_' . $this->number . '">' . $title . '</label>', $this->number ) . $after_title;

			//Widget
			$output .= $widget;

			//Wrapper
			$output .= $after_widget;

			echo $output;
		}
	}

Erick Hitter's avatar
Erick Hitter committed
394
	/**
395
396
397
	 * Options sanitization
	 * @param array $new_instance
	 * @param array $old_instance
Erick Hitter's avatar
Erick Hitter committed
398
	 * @uses taxonomy_dropdown_widget_plugin
399
400
	 * @return array
	 */
Erick Hitter's avatar
Erick Hitter committed
401
	public function update( $new_instance, $old_instance ) {
402
403
		//Get plugin class for sanitization function
		global $taxonomy_dropdown_widget_plugin;
404
		if ( !is_a( $taxonomy_dropdown_widget_plugin, 'taxonomy_dropdown_widget_plugin' ) )
405
406
407
408
409
			$taxonomy_dropdown_widget_plugin = new taxonomy_dropdown_widget_plugin;

		return $taxonomy_dropdown_widget_plugin->sanitize_options( $new_instance );
	}

Erick Hitter's avatar
Erick Hitter committed
410
	/**
411
412
	 * Widget options
	 * @param array $instance
Erick Hitter's avatar
Erick Hitter committed
413
414
415
416
417
418
419
420
	 * @uses wp_parse_args
	 * @uses get_taxonomies
	 * @uses _e
	 * @uses this::get_field_id
	 * @uses this::get_field_name
	 * @uses esc_attr
	 * @uses selected
	 * @uses checked
421
422
	 * @return string
	 */
Erick Hitter's avatar
Erick Hitter committed
423
	public function form( $instance ) {
424
425
426
427
428
429
430
431
432
433
		//Get options
		$options = wp_parse_args( $instance, $this->defaults );
		extract( $options );

		//Get taxonomies and remove certain Core taxonomies that shouldn't be accessed directly.
		$taxonomies = get_taxonomies( array(
			'public' => true,
			'hierarchical' => false
		), 'objects' );

434
		if ( array_key_exists( 'nav_menu', $taxonomies ) )
435
436
			unset( $taxonomies[ 'nav_menu' ] );

437
		if ( array_key_exists( 'post_format', $taxonomies ) )
438
439
440
441
442
443
444
445
			unset( $taxonomies[ 'post_format' ] );

	?>
		<h3><?php _e( 'Basic Settings' ); ?></h3>

		<p>
			<label for="<?php echo $this->get_field_id( 'taxonomy' ); ?>"><?php _e( 'Taxonomy' ); ?>:</label><br />
			<select name="<?php echo $this->get_field_name( 'taxonomy' ); ?>" id="<?php echo $this->get_field_id( 'taxonomy' ); ?>">
446
				<?php foreach ( $taxonomies as $tax ): ?>
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
					<option value="<?php echo esc_attr( $tax->name ); ?>"<?php selected( $tax->name, $taxonomy, true ); ?>><?php echo $tax->labels->name; ?></option>
				<?php endforeach; ?>
			</select>
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label><br />
			<input type="text" name="<?php echo $this->get_field_name( 'title' ); ?>" class="widefat code" id="<?php echo $this->get_field_id( 'title' ); ?>" value="<?php echo esc_attr( $title ); ?>" />
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'select_name' ); ?>"><?php _e( 'Default dropdown item:' ); ?></label><br />
			<input type="text" name="<?php echo $this->get_field_name( 'select_name' ); ?>" class="widefat code" id="<?php echo $this->get_field_id( 'select_name' ); ?>" value="<?php echo esc_attr( $select_name ); ?>" />
		</p>

		<h3><?php _e( 'Order' ); ?></h3>

		<p>
			<label><?php _e( 'Order terms by:' ); ?></label><br />

			<input type="radio" name="<?php echo $this->get_field_name( 'orderby' ); ?>" value="name" id="<?php echo $this->get_field_name( 'order_name' ); ?>"<?php checked( $orderby, 'name', true ); ?> />
			<label for="<?php echo $this->get_field_name( 'order_name' ); ?>"><?php _e( 'Name' ); ?></label><br />

			<input type="radio" name="<?php echo $this->get_field_name( 'orderby' ); ?>" value="count" id="<?php echo $this->get_field_name( 'order_count' ); ?>"<?php checked( $orderby, 'count', true ); ?> />
			<label for="<?php echo $this->get_field_name( 'order_count' ); ?>"><?php _e( 'Post count' ); ?></label>
		</p>

		<p>
			<label><?php _e( 'Order terms:' ); ?></label><br />

			<input type="radio" name="<?php echo $this->get_field_name( 'order' ); ?>" value="ASC" id="<?php echo $this->get_field_name( 'order_asc' ); ?>"<?php checked( $order, 'ASC', true ); ?> />
			<label for="<?php echo $this->get_field_name( 'order_asc' ); ?>"><?php _e( 'Ascending' ); ?></label><br />

			<input type="radio" name="<?php echo $this->get_field_name( 'order' ); ?>" value="DESC" id="<?php echo $this->get_field_name( 'order_desc' ); ?>"<?php checked( $order, 'DESC', true ); ?> />
			<label for="<?php echo $this->get_field_name( 'order_desc' ); ?>"><?php _e( 'Descending' ); ?></label>
		</p>

		<h3><?php _e( 'Term Display' ); ?></h3>

		<p>
			<label for="<?php echo $this->get_field_id( 'limit' ); ?>"><?php _e( 'Limit number of terms shown to:' ); ?></label><br />
			<input type="text" name="<?php echo $this->get_field_name( 'limit' ); ?>" id="<?php echo $this->get_field_id( 'limit' ); ?>" value="<?php echo intval( $limit ); ?>" size="3" /><br />
			<span class="description"><?php _e( '<small>Enter <strong>0</strong> for no limit.' ); ?></small></span>
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'max_name_length' ); ?>"><?php _e( 'Trim long term names to <em>x</em> characters:</label>' ); ?><br />
			<input type="text" name="<?php echo $this->get_field_name( 'max_name_length' ); ?>" id="<?php echo $this->get_field_id( 'max_name_length' ); ?>" value="<?php echo intval( $max_name_length ); ?>" size="3" /><br />
			<span class="description"><?php _e( '<small>Enter <strong>0</strong> to show full tag names.' ); ?></small></span>
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'cutoff' ); ?>"><?php _e( 'Indicator that term names are trimmed:' ); ?></label><br />
			<input type="text" name="<?php echo $this->get_field_name( 'cutoff' ); ?>" id="<?php echo $this->get_field_id( 'cutoff' ); ?>" value="<?php echo esc_attr( $cutoff ); ?>" size="3" /><br />
			<span class="description"><?php _e( '<small>Leave blank to use an elipsis (&hellip;).</small>' ); ?></span>
		</p>

		<p>
			<input type="checkbox" name="<?php echo $this->get_field_name( 'hide_empty' ); ?>" id="<?php echo $this->get_field_id( 'hide_empty' ); ?>"  value="0"<?php checked( false, $hide_empty, true ); ?> />
			<label for="<?php echo $this->get_field_id( 'hide_empty' ); ?>"><?php _e( 'Include terms that aren\'t assigned to any objects (empty terms).' ); ?></label>
		</p>

		<p>
			<input type="checkbox" name="<?php echo $this->get_field_name( 'post_counts' ); ?>" id="<?php echo $this->get_field_id( 'post_counts' ); ?>"  value="1"<?php checked( true, $post_counts, true ); ?> />
			<label for="<?php echo $this->get_field_id( 'post_counts' ); ?>"><?php _e( 'Display object (post) counts after term names.' ); ?></label>
		</p>

		<h3><?php _e( 'Include/Exclude Terms' ); ?></h3>

		<p>
			<label><?php _e( 'Include/exclude terms:' ); ?></label><br />

			<input type="radio" name="<?php echo $this->get_field_name( 'incexc' ); ?>" value="include" id="<?php echo $this->get_field_id( 'include' ); ?>"<?php checked( $incexc, 'include', true ); ?> />
			<label for="<?php echo $this->get_field_id( 'include' ); ?>"><?php _e( 'Include only the term IDs listed below' ); ?></label><br />

			<input type="radio" name="<?php echo $this->get_field_name( 'incexc' ); ?>" value="exclude" id="<?php echo $this->get_field_id( 'exclude' ); ?>"<?php checked( $incexc, 'exclude', true ); ?> />
			<label for="<?php echo $this->get_field_id( 'exclude' ); ?>"><?php _e( 'Exclude the term IDs listed below' ); ?></label>
		</p>

		<p>
			<label for="<?php echo $this->get_field_id( 'incexc_ids' ); ?>"><?php _e( 'Term IDs to include/exclude based on above setting:' ); ?></label><br />
			<input type="text" name="<?php echo $this->get_field_name( 'incexc_ids' ); ?>" class="widefat code" id="<?php echo $this->get_field_id( 'incexc_ids' ); ?>" value="<?php echo esc_attr( implode( ', ', $incexc_ids ) ); ?>" /><br />
			<span class="description"><?php _e( '<small>Enter comma-separated list of term IDs.</small>' ); ?></span>
		</p>

		<h3><?php _e( 'Advanced' ); ?></h3>

		<p>
			<label for="<?php echo $this->get_field_id( 'threshold' ); ?>"><?php _e( 'Show terms assigned to at least this many posts:' ); ?></label><br />
			<input type="text" name="<?php echo $this->get_field_name( 'threshold' ); ?>" id="<?php echo $this->get_field_id( 'threshold' ); ?>" value="<?php echo intval( $threshold ); ?>" size="3" /><br />
			<span class="description"><?php _e( '<small>Set to <strong>0</strong> to display all terms matching the above criteria.</small>' ); ?></span>
		</p>

	<?php
	}
}

/**
 ** HELPER FUNCTIONS
 **/

Erick Hitter's avatar
Erick Hitter committed
548
/**
549
550
551
 * Render taxonomy dropdown
 * @param array $options
 * @param string|int $id
Erick Hitter's avatar
Erick Hitter committed
552
 * @uses taxonomy_dropdown_widget_plugin::get_instance
553
554
555
 * @return string or false
 */
function taxonomy_dropdown_widget( $options = array(), $id = '' ) {
Erick Hitter's avatar
Erick Hitter committed
556
557
	// Sanitize options
	$options = taxonomy_dropdown_widget_plugin::get_instance()->sanitize_options( $options );
558

Erick Hitter's avatar
Erick Hitter committed
559
	return taxonomy_dropdown_widget_plugin::get_instance()->render_dropdown( $options, $id );
560
561
562
563
564
565
}

/**
 ** LEGACY FUNCTIONS FOR BACKWARDS COMPATIBILITY
 **/

566
if ( !function_exists( 'generateTagDropdown' ) ):
Erick Hitter's avatar
Erick Hitter committed
567
	/**
568
569
	 * Build tag dropdown based on provided arguments
	 * @since 1.7
570
	 * @uses _deprecated_function
Erick Hitter's avatar
Erick Hitter committed
571
	 * @uses taxonomy_dropdown_widget_plugin::get_instance
572
573
574
	 * @return string or false
	 */
	function generateTagDropdown( $args ) {
575
576
		_deprecated_function( 'generateTagDropdown', '2.0 of Taxonomy (Tag) Dropdown Widget', 'taxonomy_dropdown_widget' );

Erick Hitter's avatar
Erick Hitter committed
577
578
		// Sanitize options
		$options = taxonomy_dropdown_widget_plugin::get_instance()->sanitize_options( $args );
579

Erick Hitter's avatar
Erick Hitter committed
580
		return '<!-- NOTICE: The function used to generate this dropdown list is deprecated as of version 2.0 of Taxonomy Dropdown Widget. You should update your template to use `taxonomy_dropdown_widget` instead. -->' . taxonomy_dropdown_widget_plugin::get_instance()->render_dropdown( $options, 'legacy_gtd' );
581
582
583
	}
endif;

584
if ( !function_exists( 'TDW_direct' ) ):
Erick Hitter's avatar
Erick Hitter committed
585
	/**
586
587
	 * Build tag dropdown based on provided arguments
	 * @since 1.6
588
	 * @uses _deprecated_function
Erick Hitter's avatar
Erick Hitter committed
589
	 * @uses taxonomy_dropdown_widget_plugin::get_instance
590
591
592
	 * @return string or false
	 */
	function TDW_direct( $limit = false, $count = false, $exclude = false ) {
593
594
		_deprecated_function( 'TDW_direct', '1.7 of Taxonomy (Tag) Dropdown Widget', 'taxonomy_dropdown_widget' );

Erick Hitter's avatar
Erick Hitter committed
595
		// Build options array from function parameters
596
597
		$options = array(
			'max_name_length' => $limit,
Erick Hitter's avatar
Erick Hitter committed
598
			'post_count'      => $count
599
600
		);

601
		if ( $exclude ) {
Erick Hitter's avatar
Erick Hitter committed
602
			$options[ 'incexc' ]     = 'exclude';
603
604
605
606
			$options[ 'incexc_ids' ] = $exclude;
		}

		//Sanitize options
Erick Hitter's avatar
Erick Hitter committed
607
		$options = taxonomy_dropdown_widget_plugin::get_instance()->sanitize_options( $options );
608

Erick Hitter's avatar
Erick Hitter committed
609
		echo '<!-- NOTICE: The function used to generate this dropdown list is deprecated as of version 1.7 of Taxonomy Dropdown Widget. You should update your template to use `taxonomy_dropdown_widget` instead. -->' . taxonomy_dropdown_widget_plugin::get_instance()->render_dropdown( $options, 'legacy_tdw' );
610
611
612
	}
endif;

613
if ( !function_exists( 'makeTagDropdown' ) ):
Erick Hitter's avatar
Erick Hitter committed
614
	/**
615
616
	 * Build tag dropdown based on provided arguments
	 * @since 1.3
617
	 * @uses _deprecated_function
Erick Hitter's avatar
Erick Hitter committed
618
	 * @uses taxonomy_dropdown_widget_plugin::get_instance
619
620
621
	 * @return string or false
	 */
	function makeTagDropdown( $limit = false ) {
622
623
624
		_deprecated_function( 'makeTagDropdown', '1.6 of Taxonomy (Tag) Dropdown Widget', 'taxonomy_dropdown_widget' );

		// Sanitize options
625
626
627
628
		$options = array(
			'max_name_length' => intval( $limit )
		);

Erick Hitter's avatar
Erick Hitter committed
629
		echo '<!-- NOTICE: The function used to generate this dropdown list is deprecated as of version 1.6 of Taxonomy Dropdown Widget. You should update your template to use `taxonomy_dropdown_widget` instead. -->' . taxonomy_dropdown_widget_plugin::get_instance()->render_dropdown( $options, 'legacy_mtd' );
630
631
632
}
endif;
?>