1 <?php |
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2 /** |
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3 * Smarty plugin |
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4 * |
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5 * @package Smarty |
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6 * @subpackage PluginsFunction |
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7 */ |
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8 |
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9 /** |
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10 * Smarty {html_options} function plugin |
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11 * Type: function<br> |
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12 * Name: html_options<br> |
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13 * Purpose: Prints the list of <option> tags generated from |
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14 * the passed parameters<br> |
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15 * Params: |
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16 * <pre> |
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17 * - name (optional) - string default "select" |
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18 * - values (required) - if no options supplied) - array |
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19 * - options (required) - if no values supplied) - associative array |
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20 * - selected (optional) - string default not set |
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21 * - output (required) - if not options supplied) - array |
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22 * - id (optional) - string default not set |
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23 * - class (optional) - string default not set |
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24 * </pre> |
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25 * |
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26 * @link http://www.smarty.net/manual/en/language.function.html.options.php {html_image} |
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27 * (Smarty online manual) |
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28 * @author Monte Ohrt <monte at ohrt dot com> |
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29 * @author Ralf Strehle (minor optimization) <ralf dot strehle at yahoo dot de> |
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30 * |
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31 * @param array $params parameters |
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32 * |
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33 * @return string |
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34 * @uses smarty_function_escape_special_chars() |
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35 */ |
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36 function smarty_function_html_options($params) { |
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37 require_once(SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php'); |
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38 |
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39 $name = null; |
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40 $values = null; |
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41 $options = null; |
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42 $selected = null; |
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43 $output = null; |
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44 $id = null; |
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45 $class = null; |
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46 |
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47 $extra = ''; |
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48 |
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49 foreach ($params as $_key => $_val) { |
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50 switch ($_key) { |
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51 case 'name': |
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52 case 'class': |
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53 case 'id': |
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54 $$_key = (string)$_val; |
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55 break; |
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56 |
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57 case 'options': |
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58 $options = (array)$_val; |
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59 break; |
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60 |
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61 case 'values': |
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62 case 'output': |
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63 $$_key = array_values((array)$_val); |
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64 break; |
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65 |
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66 case 'selected': |
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67 if (is_array($_val)) { |
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68 $selected = array(); |
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69 foreach ($_val as $_sel) { |
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70 if (is_object($_sel)) { |
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71 if (method_exists($_sel, "__toString")) { |
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72 $_sel = smarty_function_escape_special_chars((string)$_sel->__toString()); |
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73 } else { |
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74 trigger_error("html_options: selected attribute contains an object of class '" . get_class($_sel) . "' without __toString() method", E_USER_NOTICE); |
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75 continue; |
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76 } |
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77 } else { |
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78 $_sel = smarty_function_escape_special_chars((string)$_sel); |
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79 } |
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80 $selected[$_sel] = true; |
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81 } |
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82 } elseif (is_object($_val)) { |
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83 if (method_exists($_val, "__toString")) { |
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84 $selected = smarty_function_escape_special_chars((string)$_val->__toString()); |
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85 } else { |
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86 trigger_error("html_options: selected attribute is an object of class '" . get_class($_val) . "' without __toString() method", E_USER_NOTICE); |
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87 } |
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88 } else { |
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89 $selected = smarty_function_escape_special_chars((string)$_val); |
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90 } |
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91 break; |
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92 |
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93 case 'strict': |
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94 break; |
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95 |
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96 case 'disabled': |
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97 case 'readonly': |
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98 if (!empty($params['strict'])) { |
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99 if (!is_scalar($_val)) { |
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100 trigger_error("html_options: $_key attribute must be a scalar, only boolean true or string '$_key' will actually add the attribute", E_USER_NOTICE); |
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101 } |
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102 |
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103 if ($_val === true || $_val === $_key) { |
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104 $extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_key) . '"'; |
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105 } |
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106 |
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107 break; |
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108 } |
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109 // omit break; to fall through! |
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110 |
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111 default: |
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112 if (!is_array($_val)) { |
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113 $extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_val) . '"'; |
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114 } else { |
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115 trigger_error("html_options: extra attribute '$_key' cannot be an array", E_USER_NOTICE); |
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116 } |
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117 break; |
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118 } |
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119 } |
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120 |
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121 if (!isset($options) && !isset($values)) { |
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122 /* raise error here? */ |
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123 |
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124 return ''; |
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125 } |
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126 |
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127 $_html_result = ''; |
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128 $_idx = 0; |
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129 |
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130 if (isset($options)) { |
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131 foreach ($options as $_key => $_val) { |
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132 $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected, $id, $class, $_idx); |
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133 } |
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134 } else { |
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135 foreach ($values as $_i => $_key) { |
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136 $_val = isset($output[$_i]) ? $output[$_i] : ''; |
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137 $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected, $id, $class, $_idx); |
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138 } |
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139 } |
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140 |
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141 if (!empty($name)) { |
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142 $_html_class = !empty($class) ? ' class="' . $class . '"' : ''; |
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143 $_html_id = !empty($id) ? ' id="' . $id . '"' : ''; |
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144 $_html_result = '<select name="' . $name . '"' . $_html_class . $_html_id . $extra . '>' . "\n" . $_html_result . '</select>' . "\n"; |
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145 } |
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146 |
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147 return $_html_result; |
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148 } |
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149 |
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150 function smarty_function_html_options_optoutput($key, $value, $selected, $id, $class, &$idx) { |
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151 if (!is_array($value)) { |
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152 $_key = smarty_function_escape_special_chars($key); |
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153 $_html_result = '<option value="' . $_key . '"'; |
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154 if (is_array($selected)) { |
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155 if (isset($selected[$_key])) { |
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156 $_html_result .= ' selected="selected"'; |
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157 } |
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158 } elseif ($_key === $selected) { |
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159 $_html_result .= ' selected="selected"'; |
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160 } |
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161 $_html_class = !empty($class) ? ' class="' . $class . ' option"' : ''; |
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162 $_html_id = !empty($id) ? ' id="' . $id . '-' . $idx . '"' : ''; |
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163 if (is_object($value)) { |
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164 if (method_exists($value, "__toString")) { |
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165 $value = smarty_function_escape_special_chars((string)$value->__toString()); |
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166 } else { |
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167 trigger_error("html_options: value is an object of class '" . get_class($value) . "' without __toString() method", E_USER_NOTICE); |
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168 |
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169 return ''; |
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170 } |
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171 } else { |
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172 $value = smarty_function_escape_special_chars((string)$value); |
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173 } |
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174 $_html_result .= $_html_class . $_html_id . '>' . $value . '</option>' . "\n"; |
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175 $idx++; |
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176 } else { |
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177 $_idx = 0; |
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178 $_html_result = smarty_function_html_options_optgroup($key, $value, $selected, !empty($id) ? ($id . '-' . $idx) : null, $class, $_idx); |
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179 $idx++; |
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180 } |
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181 |
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182 return $_html_result; |
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183 } |
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184 |
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185 function smarty_function_html_options_optgroup($key, $values, $selected, $id, $class, &$idx) { |
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186 $optgroup_html = '<optgroup label="' . smarty_function_escape_special_chars($key) . '">' . "\n"; |
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187 foreach ($values as $key => $value) { |
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188 $optgroup_html .= smarty_function_html_options_optoutput($key, $value, $selected, $id, $class, $idx); |
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189 } |
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190 $optgroup_html .= "</optgroup>\n"; |
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191 |
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192 return $optgroup_html; |
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193 } |
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