give / includes / admin / shortcodes / abstract-shortcode-generator.php

abstract-shortcode-generator.php in GiveWP – Donation Plugin and Fundraising Platform 4.16.9, at includes/admin/shortcodes/abstract-shortcode-generator.php

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1	<?php
2	/**
3	* Shortcode Dialog Generator abstract class
4	*
5	* @package Give/Admin
6	* @author Paul Ryley
7	* @copyright Copyright (c) 2016, GiveWP
8	* @license https://opensource.org/licenses/gpl-license GNU Public License
9	* @version 1.0
10	* @since 1.3
11	*/
12
13	// Exit if accessed directly.
14	if ( ! defined( 'ABSPATH' ) ) {
15	exit;
16	}
17
18	/**
19	* Class Give_Shortcode_Generator
20	*/
21	abstract class Give_Shortcode_Generator {
22
23	/**
24	* The current class name
25	*
26	* @since 1.0
27	*/
28	public $self;
29
30	/**
31	* The current shortcode
32	*
33	* @since 1.0
34	*/
35	public $shortcode;
36
37	/**
38	* The current shortcode tag
39	*
40	* @since 1.0
41	*/
42	public $shortcode_tag;
43
44	/**
45	* Shortcode field errors
46	*
47	* @since 1.0
48	*/
49	protected $errors;
50
51	/**
52	* Required shortcode fields
53	*
54	* @since 1.0
55	*/
56	protected $required;
57
58	/**
59	* Class constructor
60	*
61	* @param string $shortcode The shortcode tag
62	*
63	* @since 1.0
64	*/
65	public function __construct( $shortcode ) {
66
67	$this->shortcode_tag = $shortcode;
68
69	add_action( 'admin_init', array( $this, 'init' ) );
70
71	}
72
73	/**
74	* Kick things off for the shortcode generator
75	*
76	* @since 1.3.0.2
77	*/
78	public function init() {
79
80	if ( $this->shortcode_tag ) {
81
82	$this->self = get_class( $this );
83
84	$this->errors = array();
85	$this->required = array();
86
87	// Generate the fields, errors, and requirements
88	$fields = $this->get_fields();
89
90	$defaults = array(
91	'btn_close' => esc_html__( 'Close', 'give' ),
92	'btn_okay' => esc_html__( 'Insert Shortcode', 'give' ),
93	'errors' => $this->errors,
94	'fields' => $fields,
95	'label' => '[' . $this->shortcode_tag . ']',
96	'required' => $this->required,
97	'title' => esc_html__( 'Insert Shortcode', 'give' ),
98	);
99
100	if ( user_can_richedit() ) {
101
102	Give_Shortcode_Button::$shortcodes[ $this->shortcode_tag ] = wp_parse_args( $this->shortcode, $defaults );
103
104	}
105	}
106
107	}
108
109
110	/**
111	* Define the shortcode attribute fields
112	*
113	* @return false\|array
114	*
115	* @since 1.0
116	*/
117	public function define_fields() {
118
119	return false;
120	}
121
122	/**
123	* Generate the shortcode dialog fields
124	*
125	* @param array $defined_fields
126	*
127	* @return array
128	*
129	* @since 1.0
130	*/
131	protected function generate_fields( $defined_fields ) {
132
133	$fields = array();
134
135	if ( is_array( $defined_fields ) ) {
136
137	foreach ( $defined_fields as $field ) {
138
139	$defaults = array(
140	'label' => false,
141	'name' => false,
142	'options' => array(),
143	'placeholder' => false,
144	'tooltip' => false,
145	'type' => '',
146	);
147
148	$field = wp_parse_args( (array) $field, $defaults );
149	$method = 'generate_' . strtolower( $field['type'] );
150
151	if ( method_exists( $this, $method ) ) {
152
153	$field = call_user_func( array( $this, $method ), $field );
154
155	if ( $field ) {
156	$fields[] = $field;
157	}
158	}
159	}
160	}
161
162	return $fields;
163	}
164
165	/**
166	* Get the generated shortcode dialog fields
167	*
168	* @return array
169	*
170	* @since 1.0
171	*/
172	protected function get_fields() {
173
174	$defined_fields = $this->define_fields();
175	$generated_fields = $this->generate_fields( $defined_fields );
176
177	$errors = array();
178
179	if ( ! empty( $this->errors ) ) {
180	foreach ( $this->required as $name => $alert ) {
181	// Using WordPress function in place of array_column wp_list_pluck as it support older version as well.
182	if ( false === array_search( $name, give_list_pluck( $generated_fields, 'name' ) ) ) {
183
184	$errors[] = $this->errors[ $name ];
185	}
186	}
187
188	$this->errors = $errors;
189	}
190
191	if ( ! empty( $errors ) ) {
192
193	return $errors;
194	}
195
196	return $generated_fields;
197	}
198
199
200	/**
201	* Generate a TinyMCE docs_link field
202	*
203	* @param $field
204	*
205	* @return array
206	*/
207	protected function generate_docs_link( $field ) {
208	// Add custom style to override mce style.
209	$dashicon_style = 'width: 20px;
210	height: 20px;
211	font-size: 17px;
212	line-height: 1;
213	font-family: dashicons;
214	text-decoration: inherit;
215	font-weight: normal;
216	font-style: normal;
217	vertical-align: top;
218	text-align: center;
219	transition: color .1s ease-in 0;';
220
221	$a_style = 'color: #999;
222	text-decoration: none;
223	font-style: italic;
224	font-size: 13px;';
225
226	$p_style = 'text-align:right;';
227
228	return $this->generate_container(
229	array(
230	'type' => 'container',
231	'html' => sprintf(
232	'<p class="give-docs-link" style="%5$s"><a href="%4$s" style="%3$s" target="_blank">%1$s<span class="dashicons dashicons-editor-help" style="%2$s"></a></span></p>',
233	$field['text'],
234	$dashicon_style,
235	$a_style,
236	esc_url( $field['link'] ),
237	$p_style
238	),
239	)
240	);
241	}
242
243	/**
244	* Generate a TinyMCE container field
245	*
246	* @param array $field
247	*
248	* @return array\|false
249	*
250	* @since 1.0
251	*/
252	protected function generate_container( $field ) {
253
254	if ( array_key_exists( 'html', $field ) ) {
255
256	return array(
257	'type' => $field['type'],
258	'html' => $field['html'],
259	);
260	}
261
262	return false;
263	}
264
265	/**
266	* Generate a TinyMCE listbox field
267	*
268	* @param array $field
269	*
270	* @return array\|false
271	*
272	* @since 1.0
273	*/
274	protected function generate_listbox( $field ) {
275
276	$listbox = shortcode_atts(
277	array(
278	'label' => '',
279	'minWidth' => '',
280	'name' => false,
281	'tooltip' => '',
282	'type' => '',
283	'value' => '',
284	'classes' => '',
285	),
286	$field
287	);
288
289	if ( $this->validate( $field ) ) {
290
291	$new_listbox = array();
292
293	foreach ( $listbox as $key => $value ) {
294
295	if ( $key == 'value' && empty( $value ) ) {
296	$new_listbox[ $key ] = $listbox['name'];
297	} elseif ( $value ) {
298	$new_listbox[ $key ] = $value;
299	}
300	}
301
302	// do not reindex array!
303	$field['options'] = array(
304	'' => ( $field['placeholder'] ? $field['placeholder'] : esc_attr__( '- Select -', 'give' ) ),
305	) + $field['options'];
306
307	foreach ( $field['options'] as $value => $text ) {
308	$new_listbox['values'][] = array(
309	'text' => $text,
310	'value' => $value,
311	);
312	}
313
314	return $new_listbox;
315	}
316
317	return false;
318	}
319
320	/**
321	* Generate a TinyMCE listbox field for a post_type.
322	*
323	* @param array $field
324	*
325	* @return array\|false
326	*
327	* @since 1.0
328	*/
329	protected function generate_post( $field ) {
330
331	$args = array(
332	'post_type' => 'post',
333	'orderby' => 'title',
334	'order' => 'ASC',
335	'posts_per_page' => 30,
336	'suppress_filters' => false,
337	);
338
339	$args = wp_parse_args( (array) $field['query_args'], $args );
340
341	$posts = get_posts( $args );
342	$options = array();
343
344	if ( ! empty( $posts ) ) {
345	foreach ( $posts as $post ) {
346	$options[ absint( $post->ID ) ] = empty( $post->post_title )
347	? sprintf( __( 'Untitled (#%s)', 'give' ), $post->ID )
348	/** This filter is documented in wp-includes/post-template.php */
349	: apply_filters( 'the_title', $post->post_title, $post->ID );
350	}
351
352	$field['type'] = 'listbox';
353	$field['options'] = $options;
354
355	return $this->generate_listbox( $field );
356	}
357
358	// perform validation here before returning false
359	$this->validate( $field );
360
361	return false;
362	}
363
364	/**
365	* Generate a TinyMCE textbox field
366	*
367	* @param array $field
368	*
369	* @return array\|false
370	*
371	* @since 1.0
372	*/
373	protected function generate_textbox( $field ) {
374
375	$textbox = shortcode_atts(
376	array(
377	'label' => '',
378	'maxLength' => '',
379	'minHeight' => '',
380	'minWidth' => '',
381	'multiline' => false,
382	'name' => false,
383	'tooltip' => '',
384	'type' => '',
385	'value' => '',
386	'classes' => '',
387	'placeholder' => '',
388	),
389	$field
390	);
391
392	// Remove empty placeholder.
393	if ( empty( $textbox['placeholder'] ) ) {
394	unset( $textbox['placeholder'] );
395	}
396
397	if ( $this->validate( $field ) ) {
398	return array_filter( $textbox, array( $this, 'return_textbox_value' ) );
399	}
400
401	return false;
402	}
403
404	/**
405	* Validate Textbox Value
406	*
407	* @param $value
408	*
409	* @return bool
410	*/
411	function return_textbox_value( $value ) {
412	return $value !== '';
413	}
414
415	/**
416	* Perform validation for a single field
417	*
418	* Returns true or false depending on whether the field has a 'name' attribute.
419	* This method also populates the shortcode's $errors and $required arrays.
420	*
421	* @param array $field
422	*
423	* @return bool
424	*
425	* @since 1.0
426	*/
427	protected function validate( $field ) {
428
429	extract(
430	shortcode_atts(
431	array(
432	'name' => false,
433	'required' => false,
434	'label' => '',
435	),
436	$field
437	)
438	);
439
440	if ( $name ) {
441
442	if ( isset( $required['error'] ) ) {
443
444	$error = array(
445	'type' => 'container',
446	'html' => $required['error'],
447	);
448
449	$this->errors[ $name ] = $this->generate_container( $error );
450	}
451
452	if ( ! ! $required \|\| is_array( $required ) ) {
453
454	$alert = esc_html__( 'Some of the shortcode options are required.', 'give' );
455
456	if ( isset( $required['alert'] ) ) {
457
458	$alert = $required['alert'];
459
460	} elseif ( ! empty( $label ) ) {
461
462	$alert = sprintf(
463	/* translators: %s: option label */
464	esc_html__( 'The "%s" option is required.', 'give' ),
465	str_replace( ':', '', $label )
466	);
467	}
468
469	$this->required[ $name ] = $alert;
470	}
471
472	return true;
473	}
474
475	return false;
476	}
477	}
478