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  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: 
 14: 
 15: /**
 16:  * Implements the basic functionality common to text input controls.
 17:  */
 18: abstract class TextBase extends BaseControl
 19: {
 20:     /** @var string */
 21:     protected $emptyValue = '';
 22: 
 23:     /** @var mixed unfiltered submitted value */
 24:     protected $rawValue = '';
 25: 
 26: 
 27:     /**
 28:      * Sets control's value.
 29:      * @param  string
 30:      * @return self
 31:      */
 32:     public function setValue($value)
 33:     {
 34:         if ($value === NULL) {
 35:             $value = '';
 36:         } elseif (!is_scalar($value) && !method_exists($value, '__toString')) {
 37:             throw new Nette\InvalidArgumentException(sprintf("Value must be scalar or NULL, %s given in field '%s'.", gettype($value), $this->name));
 38:         }
 39:         $this->rawValue = $this->value = $value;
 40:         return $this;
 41:     }
 42: 
 43: 
 44:     /**
 45:      * Returns control's value.
 46:      * @return string
 47:      */
 48:     public function getValue()
 49:     {
 50:         return $this->value === Strings::trim($this->translate($this->emptyValue)) ? '' : $this->value;
 51:     }
 52: 
 53: 
 54:     /**
 55:      * Sets the special value which is treated as empty string.
 56:      * @param  string
 57:      * @return self
 58:      */
 59:     public function setEmptyValue($value)
 60:     {
 61:         $this->emptyValue = (string) $value;
 62:         return $this;
 63:     }
 64: 
 65: 
 66:     /**
 67:      * Returns the special value which is treated as empty string.
 68:      * @return string
 69:      */
 70:     public function getEmptyValue()
 71:     {
 72:         return $this->emptyValue;
 73:     }
 74: 
 75: 
 76:     /**
 77:      * Sets the maximum number of allowed characters.
 78:      * @param  int
 79:      * @return self
 80:      */
 81:     public function setMaxLength($length)
 82:     {
 83:         $this->control->maxlength = $length;
 84:         return $this;
 85:     }
 86: 
 87: 
 88:     /**
 89:      * Appends input string filter callback.
 90:      * @param  callable
 91:      * @return self
 92:      */
 93:     public function addFilter($filter)
 94:     {
 95:         $this->rules->addFilter($filter);
 96:         return $this;
 97:     }
 98: 
 99: 
100:     public function getControl()
101:     {
102:         $el = parent::getControl();
103:         if ($this->emptyValue !== '') {
104:             $el->attrs['data-nette-empty-value'] = Strings::trim($this->translate($this->emptyValue));
105:         }
106:         if (isset($el->placeholder)) {
107:             $el->placeholder = $this->translate($el->placeholder);
108:         }
109:         return $el;
110:     }
111: 
112: 
113:     public function addRule($validator, $message = NULL, $arg = NULL)
114:     {
115:         if ($validator === Form::LENGTH || $validator === Form::MAX_LENGTH) {
116:             $tmp = is_array($arg) ? $arg[1] : $arg;
117:             if (is_scalar($tmp)) {
118:                 $this->control->maxlength = isset($this->control->maxlength) ? min($this->control->maxlength, $tmp) : $tmp;
119:             }
120:         }
121:         return parent::addRule($validator, $message, $arg);
122:     }
123: 
124: }
125: 
Nette 2.3.8 API API documentation generated by ApiGen 2.8.0