summaryrefslogtreecommitdiffstats
path: root/system/helpers/form_helper.php
blob: 37afc2daf8efb98067416f9408c54a760225c53e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
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
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
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
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 4.3.2 or newer
 *
 * @package		CodeIgniter
 * @author		ExpressionEngine Dev Team
 * @copyright	Copyright (c) 2006, EllisLab, Inc.
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CodeIgniter Form Helpers
 *
 * @package		CodeIgniter
 * @subpackage	Helpers
 * @category	Helpers
 * @author		ExpressionEngine Dev Team
 * @link		http://codeigniter.com/user_guide/helpers/form_helper.html
 */

// ------------------------------------------------------------------------

/**
 * Form Declaration
 *
 * Creates the opening portion of the form.
 *
 * @access	public
 * @param	string	the URI segments of the form destination
 * @param	array	a key/value pair of attributes
 * @param	array	a key/value pair hidden data
 * @return	string
 */	
if ( ! function_exists('form_open'))
{
	function form_open($action = '', $attributes =  = 'method="post"', $hidden = array())
	{
		$CI =& get_instance();

		$action = ( strpos($action, '://') === FALSE) ? $CI->config->site_url($action) : $action;

		$form = '<form action="'.$action.'"';
	
        $form .= _attributes_to_string($attributes, TRUE);
	
		$form .= '>';

		if (is_array($hidden) AND count($hidden > 0))
		{
			$form .= form_hidden($hidden);
		}
	
		return $form;
	}
}
	
// ------------------------------------------------------------------------

/**
 * Form Declaration - Multipart type
 *
 * Creates the opening portion of the form, but with "multipart/form-data".
 *
 * @access	public
 * @param	string	the URI segments of the form destination
 * @param	array	a key/value pair of attributes
 * @param	array	a key/value pair hidden data
 * @return	string
 */	
if ( ! function_exists('form_open_multipart'))
{
	function form_open_multipart($action, $attributes = array(), $hidden = array())
	{
		$attributes['enctype'] = 'multipart/form-data';
		return form_open($action, $attributes, $hidden);
	}
}
	
// ------------------------------------------------------------------------

/**
 * Hidden Input Field
 *
 * Generates hidden fields.  You can pass a simple key/value string or an associative
 * array with multiple values.
 *
 * @access	public
 * @param	mixed
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_hidden'))
{
	function form_hidden($name, $value = '')
	{
		if ( ! is_array($name))
		{
			return '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
		}

		$form = '';
		foreach ($name as $name => $value)
		{
			$form .= '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
		}
	
		return $form;
	}
}
	
// ------------------------------------------------------------------------

/**
 * Text Input Field
 *
 * @access	public
 * @param	mixed
 * @param	string
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_input'))
{
	function form_input($data = '', $value = '', $extra = '')
	{
		$defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value, 'maxlength' => '500', 'size' => '50');

		return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
	}
}
	
// ------------------------------------------------------------------------

/**
 * Password Field
 *
 * Identical to the input function but adds the "password" type
 *
 * @access	public
 * @param	mixed
 * @param	string
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_password'))
{
	function form_password($data = '', $value = '', $extra = '')
	{
		if ( ! is_array($data))
		{
			$data = array('name' => $data);
		}

		$data['type'] = 'password';
		return form_input($data, $value, $extra);
	}
}
	
// ------------------------------------------------------------------------

/**
 * Upload Field
 *
 * Identical to the input function but adds the "file" type
 *
 * @access	public
 * @param	mixed
 * @param	string
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_upload'))
{
	function form_upload($data = '', $value = '', $extra = '')
	{
		if ( ! is_array($data))
		{
			$data = array('name' => $data);
		}

		$data['type'] = 'file';
		return form_input($data, $value, $extra);
	}
}
	
// ------------------------------------------------------------------------

/**
 * Textarea field
 *
 * @access	public
 * @param	mixed
 * @param	string
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_textarea'))
{
	function form_textarea($data = '', $value = '', $extra = '')
	{
		$defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '90', 'rows' => '12');
	
	    if ( ! is_array($data) OR ! isset($data['value']))
		{
			$val = $value;
		}
	    else
		{
			$val = $data['value']; 
			unset($data['value']); // textareas don't use the value attribute
		}
		
		return "<textarea ".parse_form_attributes($data, $defaults).$extra.">".$val."</textarea>\n";
	}
}
	
// ------------------------------------------------------------------------

/**
 * Drop-down Menu
 *
 * @access	public
 * @param	string
 * @param	array
 * @param	string
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_dropdown'))
{
	function form_dropdown($name = '', $options = array(), $selected = array(), $extra = '')
	{
		if ( ! is_array($selected))
		{
			$selected = array($selected);
		}

		if ($extra != '') $extra = ' '.$extra;

		$multiple = (count($selected) > 1 && strpos($extra, 'multiple') === FALSE) ? ' multiple="multiple"' : '';

		$form = '<select name="'.$name.'"'.$extra.$multiple.">\n";
	
		foreach ($options as $key => $val)
		{
			$key = (string) $key;
			$val = (string) $val;
		
			$sel = (in_array($key, $selected))?' selected="selected"':'';
		
			$form .= '<option value="'.$key.'"'.$sel.'>'.$val."</option>\n";
		}

		$form .= '</select>';
	
		return $form;
	}
}
	
// ------------------------------------------------------------------------

/**
 * Checkbox Field
 *
 * @access	public
 * @param	mixed
 * @param	string
 * @param	bool
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_checkbox'))
{
	function form_checkbox($data = '', $value = '', $checked = FALSE, $extra = '')
	{
		$defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
	
		if (is_array($data) AND array_key_exists('checked', $data))
		{
			$checked = $data['checked'];
		
			if ($checked == FALSE)
			{
				unset($data['checked']);
			}
			else
			{
				$data['checked'] = 'checked';
			}
		}
	
		if ($checked == TRUE)
			$defaults['checked'] = 'checked';
		else
			unset($defaults['checked']);

		return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
	}
}
	
// ------------------------------------------------------------------------

/**
 * Radio Button
 *
 * @access	public
 * @param	mixed
 * @param	string
 * @param	bool
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_radio'))
{
	function form_radio($data = '', $value = '', $checked = FALSE, $extra = '')
	{
		if ( ! is_array($data))
		{	
			$data = array('name' => $data);
		}

		$data['type'] = 'radio';
		return form_checkbox($data, $value, $checked, $extra);
	}
}
	
// ------------------------------------------------------------------------

/**
 * Submit Button
 *
 * @access	public
 * @param	mixed
 * @param	string
 * @param	string
 * @return	string
 */
if ( ! function_exists('form_submit'))
{	
	function form_submit($data = '', $value = '', $extra = '')
	{
		$defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);

		return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
	}
}

// ------------------------------------------------------------------------

/**
 * Reset Button
 *
 * @access	public
 * @param	mixed
 * @param	string
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_reset'))
{
	function form_reset($data = '', $value = '', $extra = '')
	{
		$defaults = array('type' => 'reset', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);

		return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
	}
}

// ------------------------------------------------------------------------

/**
 * Form Button
 *
 * @access	public
 * @param	mixed
 * @param	string
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_button'))
{
	function form_button($data = '', $content = '', $extra = '')
	{
		$defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'type' => 'submit');
		
		if ( is_array($data) AND isset($data['content']))
		{
			$content = $data['content'];
			unset($data['content']); // content is not an attribute
		}
		
		return "<button ".parse_form_attributes($data, $defaults).$extra.">".$content."</button>\n";
	}
}

// ------------------------------------------------------------------------

/**
 * Form Label Tag
 *
 * @access	public
 * @param	string	The text to appear onscreen
 * @param	string	The id the label applies to
 * @param	string	Additional attributes
 * @return	string
 */	
if ( ! function_exists('form_label'))
{
	function form_label($label_text = '', $id = '', $attributes = array())
	{

		$label = '<label';
	
		if ($id != '')
		{
			 $label .= " for=\"$id\"";
		}
		
		if (is_array($attributes) AND count($attributes) > 0)
		{
			foreach ($attributes as $key => $val)
			{
				$label .= ' '.$key.'="'.$val.'"';
			}
		}

		$label .= ">$label_text</label>";

		return $label;
	}
}

// ------------------------------------------------------------------------
/**
 * Fieldset Tag
 *
 * Used to produce <fieldset><legend>text</legend>.  To close fieldset
 * use form_fieldset_close()
 *
 * @access	public
 * @param	string	The legend text
 * @param	string	Additional attributes
 * @return	string
 */	
if ( ! function_exists('form_fieldset'))
{
	function form_fieldset($legend_text = '', $attributes = array())
	{
		$fieldset = "<fieldset";

        $fieldset .= _attributes_to_string($attributes, FALSE);
	
		$fieldset .= ">\n";
	
		if ($legend_text != '')
		{
			$fieldset .= "<legend>$legend_text</legend>\n";
		}

		return $fieldset;
	}
}

// ------------------------------------------------------------------------

/**
 * Fieldset Close Tag
 *
 * @access	public
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_fieldset_close'))
{
	function form_fieldset_close($extra = '')
	{
		return "</fieldset>\n".$extra;
	}
}
	
// ------------------------------------------------------------------------

/**
 * Form Close Tag
 *
 * @access	public
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_close'))
{
	function form_close($extra = '')
	{
		return "</form>\n".$extra;
	}
}
	
// ------------------------------------------------------------------------

/**
 * Form Prep
 *
 * Formats text so that it can be safely placed in a form field in the event it has HTML tags.
 *
 * @access	public
 * @param	string
 * @return	string
 */	
if ( ! function_exists('form_prep'))
{
	function form_prep($str = '')
	{
		if ($str === '')
		{
			return '';
		}

		$temp = '__TEMP_AMPERSANDS__';
	
		// Replace entities to temporary markers so that 
		// htmlspecialchars won't mess them up
		$str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
		$str = preg_replace("/&(\w+);/",  "$temp\\1;", $str);

		$str = htmlspecialchars($str);

		// In case htmlspecialchars misses these.
		$str = str_replace(array("'", '"'), array("&#39;", "&quot;"), $str);	
	
		// Decode the temp markers back to entities
		$str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
		$str = preg_replace("/$temp(\w+);/","&\\1;",$str);	
	
		return $str;	
	}
}
	
// ------------------------------------------------------------------------

/**
 * Parse the form attributes
 *
 * Helper function used by some of the form helpers
 *
 * @access	private
 * @param	array
 * @param	array
 * @return	string
 */	
if ( ! function_exists('parse_form_attributes'))
{
	function parse_form_attributes($attributes, $default)
	{
		if (is_array($attributes))
		{
			foreach ($default as $key => $val)
			{
				if (isset($attributes[$key]))
				{
					$default[$key] = $attributes[$key];
					unset($attributes[$key]);
				}
			}
		
			if (count($attributes) > 0)
			{	
				$default = array_merge($default, $attributes);
			}
		}
	
		$att = '';
		foreach ($default as $key => $val)
		{
			if ($key == 'value')
			{
				$val = form_prep($val);
			}
	
			$att .= $key . '="' . $val . '" ';
		}

		return $att;
	}
}

// ------------------------------------------------------------------------

/**
 * Attributes To String
 *
 * Helper function used by some of the form helpers
 *
 * @access	private
 * @param	mixed
 * @param	bool
 * @return	string
 */	
if ( ! function_exists('_attributes_to_string'))
{
	function _attributes_to_string($attributes, $formtag = FALSE)
	{
	   if (is_string($attributes) AND strlen($attributes) > 0)
	   {
		   if ($formtag == TRUE AND strpos($attributes, 'method=') === FALSE)
		   {
			  $attributes .= ' method="post"';
		   }
		   
		   return ' '.$attributes;       
	   }
	
	   if (is_object($attributes) AND count($attributes) > 0)
	   {
		  $attributes = (array)$attributes;
	   }
	   
	   if (is_array($attributes) AND count($attributes) > 0)
	   {
		  $atts = '';

		  if ( ! isset($attributes['method']) AND $formtag === TRUE)
		  {
			 $atts .= ' method="post"';
		  }
	
		  foreach ($attributes as $key => $val)
		  {
			 $atts .= ' '.$key.'="'.$val.'"';
		  }

		  return $atts;
	   }
	} 
}

/* End of file form_helper.php */
/* Location: ./system/helpers/form_helper.php */