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| 1 | <?php |
| 2 | /** |
| 3 | * Static functions for use by the Page Schemas extension. |
| 4 | * |
| 5 | * @author Yaron Koren |
| 6 | */ |
| 7 | |
| 8 | class CargoPageSchemas extends PSExtensionHandler { |
| 9 | public static function registerClass() { |
| 10 | global $wgPageSchemasHandlerClasses; |
| 11 | $wgPageSchemasHandlerClasses[] = 'CargoPageSchemas'; |
| 12 | return true; |
| 13 | } |
| 14 | |
| 15 | /** |
| 16 | * Returns an object containing information on a Cargo field, |
| 17 | * based on XML from the Page Schemas extension. |
| 18 | */ |
| 19 | public static function createPageSchemasObject( $tagName, $xml ) { |
| 20 | $cargoArray = []; |
| 21 | if ( $tagName == "cargo_TemplateDetails" ) { |
| 22 | foreach ( $xml->children() as $tag => $child ) { |
| 23 | if ( $tag == $tagName ) { |
| 24 | foreach ( $child->children() as $tag => $elem ) { |
| 25 | $cargoArray[$tag] = (string)$elem; |
| 26 | } |
| 27 | return $cargoArray; |
| 28 | } |
| 29 | } |
| 30 | } |
| 31 | if ( $tagName == "cargo_Field" ) { |
| 32 | foreach ( $xml->children() as $tag => $child ) { |
| 33 | if ( $tag != $tagName ) { |
| 34 | continue; |
| 35 | } |
| 36 | $allowedValues = []; |
| 37 | foreach ( $child->children() as $prop => $value ) { |
| 38 | if ( $prop == "AllowedValue" ) { |
| 39 | $allowedValues[] = (string)$value; |
| 40 | } else { |
| 41 | $cargoArray[$prop] = (string)$value; |
| 42 | } |
| 43 | } |
| 44 | $cargoArray['AllowedValues'] = $allowedValues; |
| 45 | return $cargoArray; |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | return null; |
| 50 | } |
| 51 | |
| 52 | public static function getDisplayColor() { |
| 53 | return '#e9cdff'; |
| 54 | } |
| 55 | |
| 56 | public static function getTemplateDisplayString() { |
| 57 | return wfMessage( 'specialpages-group-cargo' )->escaped(); |
| 58 | } |
| 59 | |
| 60 | public static function getTemplateValues( $psTemplate ) { |
| 61 | // TODO - fix this. |
| 62 | $values = []; |
| 63 | if ( $psTemplate instanceof PSTemplate ) { |
| 64 | $psTemplate = $psTemplate->getXML(); |
| 65 | } |
| 66 | foreach ( $psTemplate->children() as $tag => $child ) { |
| 67 | if ( $tag == "cargo_TemplateDetails" ) { |
| 68 | foreach ( $child->children() as $prop ) { |
| 69 | $values[$prop->getName()] = (string)$prop; |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | return $values; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Displays Cargo details for one template in the Page Schemas XML. |
| 78 | */ |
| 79 | public static function getTemplateDisplayValues( $templateXML ) { |
| 80 | $templateValues = self::getTemplateValues( $templateXML ); |
| 81 | if ( count( $templateValues ) == 0 ) { |
| 82 | return null; |
| 83 | } |
| 84 | |
| 85 | $displayValues = []; |
| 86 | foreach ( $templateValues as $key => $value ) { |
| 87 | if ( $key == 'Table' ) { |
| 88 | $propName = 'Table'; |
| 89 | } |
| 90 | $displayValues[$propName] = $value; |
| 91 | } |
| 92 | return [ null, $displayValues ]; |
| 93 | } |
| 94 | |
| 95 | public static function getFieldDisplayString() { |
| 96 | return wfMessage( 'cargo-pageschemas-cargofield' )->escaped(); |
| 97 | } |
| 98 | |
| 99 | public static function isTemplateDataMultipleInstanceOnly() { |
| 100 | return false; |
| 101 | } |
| 102 | |
| 103 | public static function getTemplateEditingHTML( $psTemplate ) { |
| 104 | $hasExistingValues = false; |
| 105 | $tableName = null; |
| 106 | if ( $psTemplate !== null ) { |
| 107 | $cargoArray = $psTemplate->getObject( 'cargo_TemplateDetails' ); |
| 108 | if ( $cargoArray !== null ) { |
| 109 | $hasExistingValues = true; |
| 110 | $tableName = PageSchemas::getValueFromObject( $cargoArray, 'Table' ); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | $text = "\t<p>" . wfMessage( 'cargo-pageschemas-tablename' )->escaped() . ' ' . |
| 115 | Html::input( 'cargo_template_table_name_num', $tableName, 'text', [ 'size' => 30 ] ) . "</p>\n"; |
| 116 | |
| 117 | return [ $text, $hasExistingValues ]; |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Returns the HTML for setting the options for the Cargo section |
| 122 | * in Page Schemas' "edit schema" page. |
| 123 | */ |
| 124 | public static function getFieldEditingHTML( $psField ) { |
| 125 | global $wgCargoFieldTypes; |
| 126 | |
| 127 | $cargoArray = []; |
| 128 | $hasExistingValues = false; |
| 129 | if ( $psField !== null ) { |
| 130 | $cargoArray = $psField->getObject( 'cargo_Field' ); |
| 131 | if ( $cargoArray !== null ) { |
| 132 | $hasExistingValues = true; |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | $fieldType = PageSchemas::getValueFromObject( $cargoArray, 'Type' ); |
| 137 | |
| 138 | $allowedValues = PageSchemas::getValueFromObject( $cargoArray, 'AllowedValues' ); |
| 139 | if ( $allowedValues === null ) { |
| 140 | $allowedValuesString = ''; |
| 141 | } else { |
| 142 | $allowedValuesString = implode( ', ', $allowedValues ); |
| 143 | } |
| 144 | |
| 145 | $typeLabel = wfMessage( 'pf_createproperty_proptype' )->escaped(); |
| 146 | if ( $typeLabel == '' ) { |
| 147 | $typeLabel = 'Type:'; |
| 148 | } |
| 149 | $allowedValuesLabel = wfMessage( 'pf_createproperty_allowedvalsinput' )->escaped(); |
| 150 | if ( $allowedValuesLabel == '' ) { |
| 151 | $allowedValuesLabel = 'Allowed values:'; |
| 152 | } |
| 153 | |
| 154 | $html_text = "<p>$typeLabel "; |
| 155 | |
| 156 | $selectBody = ''; |
| 157 | foreach ( $wgCargoFieldTypes as $type ) { |
| 158 | $optionAttrs = [ 'value' => $type ]; |
| 159 | if ( $type == $fieldType ) { |
| 160 | $optionAttrs['selected'] = true; |
| 161 | } |
| 162 | $selectBody .= Html::element( 'option', $optionAttrs, $type ) . "\n"; |
| 163 | } |
| 164 | $html_text .= Html::rawElement( 'select', [ 'name' => 'cargo_field_type_num' ], $selectBody ) . "\n"; |
| 165 | $html_text .= "<p>$allowedValuesLabel<br />\n"; |
| 166 | $html_text .= Html::input( 'cargo_field_allowed_values_num', $allowedValuesString, 'text', [ 'size' => 100 ] ); |
| 167 | $html_text .= "\t</p>\n"; |
| 168 | |
| 169 | return [ $html_text, $hasExistingValues ]; |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Creates Page Schemas XML from Cargo information on templates. |
| 174 | */ |
| 175 | public static function createTemplateXMLFromForm() { |
| 176 | global $wgRequest; |
| 177 | |
| 178 | $xmlPerTemplate = []; |
| 179 | foreach ( $wgRequest->getValues() as $var => $val ) { |
| 180 | $val = str_replace( [ '<', '>' ], [ '<', '>' ], $val ); |
| 181 | if ( substr( $var, 0, 26 ) == 'cargo_template_table_name_' ) { |
| 182 | $templateNum = substr( $var, 26 ); |
| 183 | $xml = '<cargo_TemplateDetails>'; |
| 184 | if ( !empty( $val ) ) { |
| 185 | $xml .= "<Table>$val</Table>"; |
| 186 | } |
| 187 | $xml .= '</cargo_TemplateDetails>'; |
| 188 | $xmlPerTemplate[$templateNum] = $xml; |
| 189 | } |
| 190 | } |
| 191 | return $xmlPerTemplate; |
| 192 | } |
| 193 | |
| 194 | public static function createFieldXMLFromForm() { |
| 195 | global $wgRequest; |
| 196 | |
| 197 | $fieldNum = -1; |
| 198 | $xmlPerField = []; |
| 199 | foreach ( $wgRequest->getValues() as $var => $val ) { |
| 200 | if ( substr( $var, 0, 17 ) == 'cargo_field_type_' ) { |
| 201 | $xml = '<cargo_Field>'; |
| 202 | $fieldNum = substr( $var, 17 ); |
| 203 | if ( !empty( $val ) ) { |
| 204 | $xml .= "<Type>$val</Type>"; |
| 205 | } |
| 206 | } elseif ( substr( $var, 0, 27 ) == 'cargo_field_allowed_values_' ) { |
| 207 | if ( !empty( $val ) ) { |
| 208 | // Replace the comma substitution character that has no chance of |
| 209 | // being included in the values list - namely, the ASCII beep. |
| 210 | $listSeparator = ','; |
| 211 | $allowedValuesStr = str_replace( "\\$listSeparator", "\a", $val ); |
| 212 | $allowedValuesArray = explode( $listSeparator, $allowedValuesStr ); |
| 213 | foreach ( $allowedValuesArray as $value ) { |
| 214 | // Replace beep back with comma, trim. |
| 215 | $value = str_replace( "\a", $listSeparator, trim( $value ) ); |
| 216 | $xml .= '<AllowedValue>' . $value . '</AllowedValue>'; |
| 217 | } |
| 218 | } |
| 219 | $xml .= '</cargo_Field>'; |
| 220 | $xmlPerField[$fieldNum] = $xml; |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | return $xmlPerField; |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Displays the information about the Cargo field (if any) |
| 229 | * for one field in the Page Schemas XML. |
| 230 | */ |
| 231 | public static function getFieldDisplayValues( $field_xml ) { |
| 232 | foreach ( $field_xml->children() as $tag => $child ) { |
| 233 | if ( $tag == "cargo_Field" ) { |
| 234 | $values = []; |
| 235 | $allowedValues = []; |
| 236 | foreach ( $child->children() as $prop => $value ) { |
| 237 | if ( $prop == "AllowedValue" ) { |
| 238 | $allowedValues[] = $value; |
| 239 | } else { |
| 240 | $values[$prop] = $value; |
| 241 | } |
| 242 | } |
| 243 | $allowedValuesStr = implode( ', ', $allowedValues ); |
| 244 | $allowedValuesLabel = wfMessage( 'pf_createclass_allowedvalues' )->escaped(); |
| 245 | if ( $allowedValuesLabel == '' ) { |
| 246 | $allowedValuesLabel = 'Allowed values:'; |
| 247 | } |
| 248 | $values[$allowedValuesLabel] = $allowedValuesStr; |
| 249 | return [ null, $values ]; |
| 250 | } |
| 251 | } |
| 252 | return null; |
| 253 | } |
| 254 | } |