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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_View |
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17 * @subpackage Helper |
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18 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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19 * @license http://framework.zend.com/license/new-bsd New BSD License |
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20 * @version $Id: HtmlElement.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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21 */ |
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22 |
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23 /** |
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24 * @see Zend_View_Helper_Abstract |
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25 */ |
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26 require_once 'Zend/View/Helper/Abstract.php'; |
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27 |
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28 /** |
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29 * @category Zend |
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30 * @package Zend_View |
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31 * @subpackage Helper |
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32 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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33 * @license http://framework.zend.com/license/new-bsd New BSD License |
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34 */ |
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35 abstract class Zend_View_Helper_HtmlElement extends Zend_View_Helper_Abstract |
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36 { |
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37 /** |
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38 * EOL character |
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39 */ |
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40 const EOL = "\n"; |
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41 |
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42 /** |
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43 * The tag closing bracket |
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44 * |
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45 * @var string |
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46 */ |
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47 protected $_closingBracket = null; |
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48 |
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49 /** |
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50 * Get the tag closing bracket |
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51 * |
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52 * @return string |
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53 */ |
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54 public function getClosingBracket() |
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55 { |
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56 if (!$this->_closingBracket) { |
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57 if ($this->_isXhtml()) { |
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58 $this->_closingBracket = ' />'; |
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59 } else { |
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60 $this->_closingBracket = '>'; |
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61 } |
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62 } |
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63 |
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64 return $this->_closingBracket; |
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65 } |
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66 |
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67 /** |
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68 * Is doctype XHTML? |
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69 * |
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70 * @return boolean |
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71 */ |
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72 protected function _isXhtml() |
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73 { |
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74 $doctype = $this->view->doctype(); |
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75 return $doctype->isXhtml(); |
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76 } |
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77 |
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78 /** |
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79 * Converts an associative array to a string of tag attributes. |
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80 * |
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81 * @access public |
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82 * |
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83 * @param array $attribs From this array, each key-value pair is |
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84 * converted to an attribute name and value. |
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85 * |
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86 * @return string The XHTML for the attributes. |
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87 */ |
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88 protected function _htmlAttribs($attribs) |
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89 { |
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90 $xhtml = ''; |
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91 foreach ((array) $attribs as $key => $val) { |
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92 $key = $this->view->escape($key); |
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93 |
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94 if (('on' == substr($key, 0, 2)) || ('constraints' == $key)) { |
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95 // Don't escape event attributes; _do_ substitute double quotes with singles |
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96 if (!is_scalar($val)) { |
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97 // non-scalar data should be cast to JSON first |
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98 require_once 'Zend/Json.php'; |
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99 $val = Zend_Json::encode($val); |
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100 } |
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101 $val = preg_replace('/"([^"]*)":/', '$1:', $val); |
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102 } else { |
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103 if (is_array($val)) { |
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104 $val = implode(' ', $val); |
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105 } |
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106 $val = $this->view->escape($val); |
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107 } |
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108 |
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109 if ('id' == $key) { |
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110 $val = $this->_normalizeId($val); |
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111 } |
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112 |
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113 if (strpos($val, '"') !== false) { |
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114 $xhtml .= " $key='$val'"; |
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115 } else { |
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116 $xhtml .= " $key=\"$val\""; |
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117 } |
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118 |
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119 } |
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120 return $xhtml; |
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121 } |
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122 |
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123 /** |
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124 * Normalize an ID |
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125 * |
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126 * @param string $value |
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127 * @return string |
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128 */ |
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129 protected function _normalizeId($value) |
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130 { |
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131 if (strstr($value, '[')) { |
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132 if ('[]' == substr($value, -2)) { |
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133 $value = substr($value, 0, strlen($value) - 2); |
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134 } |
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135 $value = trim($value, ']'); |
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136 $value = str_replace('][', '-', $value); |
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137 $value = str_replace('[', '-', $value); |
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138 } |
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139 return $value; |
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140 } |
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141 } |