1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Forms\Controls;
  9: 
 10: use Nette;
 11: use Nette\Forms\Form;
 12: use Nette\Utils\Strings;
 13: use Nette\Utils\Validators;
 14: 
 15: 
 16: /**
 17:  * Implements the basic functionality common to text input controls.
 18:  *
 19:  * @author     David Grudl
 20:  *
 21:  * @property   string $emptyValue
 22:  */
 23: abstract class TextBase extends BaseControl
 24: {
 25:     /** @var string */
 26:     protected $emptyValue = '';
 27: 
 28:     /** @var array */
 29:     protected $filters = array();
 30: 
 31:     /** @var mixed unfiltered submitted value */
 32:     protected $rawValue = '';
 33: 
 34: 
 35:     /**
 36:      * Sets control's value.
 37:      * @param  string
 38:      * @return self
 39:      */
 40:     public function setValue($value)
 41:     {
 42:         if ($value === NULL) {
 43:             $value = '';
 44:         } elseif (!is_scalar($value) && !method_exists($value, '__toString')) {
 45:             throw new Nette\InvalidArgumentException(sprintf("Value must be scalar or NULL, %s given in field '%s'.", gettype($value), $this->name));
 46:         }
 47:         $this->rawValue = $this->value = $value;
 48:         return $this;
 49:     }
 50: 
 51: 
 52:     /**
 53:      * Returns control's value.
 54:      * @return string
 55:      */
 56:     public function getValue()
 57:     {
 58:         $value = $this->value;
 59:         if (!empty($this->control->maxlength)) {
 60:             $value = Strings::substring($value, 0, $this->control->maxlength);
 61:         }
 62:         foreach ($this->filters as $filter) {
 63:             $value = (string) call_user_func($filter, $value);
 64:         }
 65:         return $value === Strings::trim($this->translate($this->emptyValue)) ? '' : $value;
 66:     }
 67: 
 68: 
 69:     /**
 70:      * Sets the special value which is treated as empty string.
 71:      * @param  string
 72:      * @return self
 73:      */
 74:     public function setEmptyValue($value)
 75:     {
 76:         $this->emptyValue = (string) $value;
 77:         return $this;
 78:     }
 79: 
 80: 
 81:     /**
 82:      * Returns the special value which is treated as empty string.
 83:      * @return string
 84:      */
 85:     public function getEmptyValue()
 86:     {
 87:         return $this->emptyValue;
 88:     }
 89: 
 90: 
 91:     /**
 92:      * Appends input string filter callback.
 93:      * @param  callable
 94:      * @return self
 95:      * @deprecated
 96:      */
 97:     public function addFilter($filter)
 98:     {
 99:         $this->filters[] = Nette\Utils\Callback::check($filter);
100:         return $this;
101:     }
102: 
103: 
104:     public function getControl()
105:     {
106:         $el = parent::getControl();
107:         if ($this->emptyValue !== '') {
108:             $el->attrs['data-nette-empty-value'] = Strings::trim($this->translate($this->emptyValue));
109:         }
110:         if (isset($el->placeholder)) {
111:             $el->placeholder = $this->translate($el->placeholder);
112:         }
113:         return $el;
114:     }
115: 
116: 
117:     public function addRule($operation, $message = NULL, $arg = NULL)
118:     {
119:         if ($operation === Form::LENGTH || $operation === Form::MAX_LENGTH) {
120:             $tmp = is_array($arg) ? $arg[1] : $arg;
121:             if (is_scalar($tmp)) {
122:                 $this->control->maxlength = isset($this->control->maxlength) ? min($this->control->maxlength, $tmp) : $tmp;
123:             }
124:         }
125:         return parent::addRule($operation, $message, $arg);
126:     }
127: 
128: 
129:     /********************* validators ****************d*g**/
130: 
131: 
132:     /**
133:      * Is control's value valid email address?
134:      * @return bool
135:      * @internal
136:      */
137:     public static function validateEmail(TextBase $control)
138:     {
139:         return Validators::isEmail($control->getValue());
140:     }
141: 
142: 
143:     /**
144:      * Is control's value valid URL?
145:      * @return bool
146:      * @internal
147:      */
148:     public static function validateUrl(TextBase $control)
149:     {
150:         if (Validators::isUrl($value = $control->getValue())) {
151:             return TRUE;
152: 
153:         } elseif (Validators::isUrl($value = "http://$value")) {
154:             $control->setValue($value);
155:             return TRUE;
156:         }
157:         return FALSE;
158:     }
159: 
160: 
161:     /**
162:      * URL string cleanup.
163:      * @param  string
164:      * @return string
165:      */
166:     public static function filterUrl($s)
167:     {
168:         return Validators::isUrl('http://' . $s) ? 'http://' . $s : $s;
169:     }
170: 
171: 
172:     /** @deprecated */
173:     public static function validateRegexp(TextBase $control, $regexp)
174:     {
175:         trigger_error('Validator REGEXP is deprecated; use PATTERN instead (which is matched against the entire value and is case sensitive).', E_USER_DEPRECATED);
176:         return (bool) Strings::match($control->getValue(), $regexp);
177:     }
178: 
179: 
180:     /**
181:      * Matches control's value regular expression?
182:      * @return bool
183:      * @internal
184:      */
185:     public static function validatePattern(TextBase $control, $pattern)
186:     {
187:         return (bool) Strings::match($control->getValue(), "\x01^($pattern)\\z\x01u");
188:     }
189: 
190: 
191:     /**
192:      * Is a control's value decimal number?
193:      * @return bool
194:      * @internal
195:      */
196:     public static function validateInteger(TextBase $control)
197:     {
198:         if (Validators::isNumericInt($value = $control->getValue())) {
199:             if (!is_float($tmp = $value * 1)) { // bigint leave as string
200:                 $control->setValue($tmp);
201:             }
202:             return TRUE;
203:         }
204:         return FALSE;
205:     }
206: 
207: 
208:     /**
209:      * Is a control's value float number?
210:      * @return bool
211:      * @internal
212:      */
213:     public static function validateFloat(TextBase $control)
214:     {
215:         $value = self::filterFloat($control->getValue());
216:         if (Validators::isNumeric($value)) {
217:             $control->setValue((float) $value);
218:             return TRUE;
219:         }
220:         return FALSE;
221:     }
222: 
223: 
224:     /**
225:      * Float string cleanup.
226:      * @param  string
227:      * @return string
228:      * @internal
229:      */
230:     public static function filterFloat($s)
231:     {
232:         return str_replace(array(' ', ','), array('', '.'), $s);
233:     }
234: 
235: }
236: