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1 | <?php |
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2 | |||
3 | namespace SRF\Filtered\Filter; |
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4 | |||
5 | /** |
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6 | * File holding the SRF_FF_Distance class |
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7 | * |
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8 | * @author Stephan Gambke |
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9 | * @file |
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10 | * @ingroup SemanticResultFormats |
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11 | */ |
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12 | |||
13 | use DataValues\Geo\Parsers\LatLongParser; |
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14 | use Exception; |
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15 | use SMWPropertyValue; |
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16 | use SRF\Filtered\ResultItem; |
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17 | |||
18 | /** |
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19 | * The SRF_FF_Distance class. |
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20 | * |
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21 | * Available parameters for this filter: |
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22 | * distance filter origin: the point from which the distance is measured (address or geo coordinate) |
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23 | * distance filter property: the property containing the point to which distance is measured - not implemented yet |
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24 | * distance filter unit: the unit in which the distance is measured |
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25 | * |
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26 | * @ingroup SemanticResultFormats |
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27 | */ |
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28 | class DistanceFilter extends Filter { |
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29 | |||
30 | private $jsConfig; |
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31 | |||
32 | /** |
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33 | * Returns the name (string) or names (array of strings) of the resource |
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34 | * modules to load. |
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35 | * |
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36 | * @return string|array |
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37 | */ |
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38 | 1 | public function getResourceModules() { |
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39 | 1 | return 'ext.srf.filtered.distance-filter'; |
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40 | } |
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41 | |||
42 | 1 | protected function buildJsConfig() { |
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43 | |||
44 | 1 | parent::buildJsConfig(); |
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45 | |||
46 | 1 | if ( !array_key_exists( 'distance filter origin', $this->getActualParameters() ) ) { |
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47 | 1 | $label = $this->getPrintRequest()->getLabel(); |
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48 | 1 | $this->getQueryPrinter()->addError( "Missing origin for distance filter on '$label'." ); |
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49 | 1 | return []; |
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50 | } |
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51 | |||
52 | try { |
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53 | |||
54 | 1 | $geoCoordinateParser = new LatLongParser(); |
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55 | |||
56 | 1 | $callback = function ( $value ) use ( $geoCoordinateParser ) { |
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57 | 1 | $latlng = $geoCoordinateParser->parse( $value ); |
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58 | 1 | return [ 'lat' => $latlng->getLatitude(), 'lng' => $latlng->getLongitude() ]; |
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59 | 1 | }; |
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60 | |||
61 | 1 | $this->addValueToJsConfig( 'distance filter origin', 'origin', null, $callback ); |
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62 | |||
63 | } |
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64 | catch ( Exception $exception ) { |
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65 | $label = $this->getPrintRequest()->getLabel(); |
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66 | $this->getQueryPrinter()->addError( "Distance filter on $label: " . $exception->getMessage() ); |
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67 | return []; |
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68 | } |
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69 | |||
70 | 1 | $this->addValueToJsConfig( 'distance filter collapsible', 'collapsible' ); |
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71 | 1 | $this->addValueToJsConfig( 'distance filter initial value', 'initial value' ); |
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72 | 1 | $this->addValueToJsConfig( 'distance filter max distance', 'max' ); |
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73 | 1 | $this->addValueToJsConfig( 'distance filter unit', 'unit' ); |
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74 | 1 | $this->addValueListToJsConfig( 'distance filter switches', 'switches' ); |
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75 | |||
76 | 1 | } |
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77 | |||
78 | /** |
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79 | * @param ResultItem $row |
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80 | * |
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81 | * @return array|null |
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82 | */ |
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83 | 1 | public function getJsDataForRow( ResultItem $row ) { |
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84 | |||
85 | 1 | $markerPositionPropertyName = $this->getPrintRequest()->getData()->getInceptiveProperty()->getKey(); |
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86 | |||
87 | 1 | foreach ( $row->getValue() as $field ) { |
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88 | |||
89 | 1 | $printRequest = $field->getPrintRequest(); |
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90 | 1 | $field->reset(); |
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91 | |||
92 | 1 | $value = $field->getNextDataItem(); |
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93 | 1 | if ( $printRequest->getData() instanceof SMWPropertyValue && |
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94 | 1 | $printRequest->getData()->getInceptiveProperty()->getKey() === $markerPositionPropertyName && |
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95 | 1 | ( $value instanceof \SMWDIGeoCoord || $value instanceof \SMWDIBlob ) |
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96 | ) { |
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97 | $values = []; // contains plain text |
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98 | |||
99 | if ( $value instanceof \SMWDIGeoCoord ) { |
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100 | |||
101 | while ( $value instanceof \SMWDIGeoCoord ) { |
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102 | $values[] = [ 'lat' => $value->getLatitude(), 'lng' => $value->getLongitude() ]; |
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103 | $value = $field->getNextDataItem(); |
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104 | } |
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105 | |||
106 | } else { |
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107 | |||
108 | $coordParser = new LatLongParser(); |
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109 | while ( $value instanceof \SMWDataItem ) { |
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110 | try { |
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111 | $latlng = $coordParser->parse( $value->getSerialization() ); |
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112 | $values[] = [ 'lat' => $latlng->getLatitude(), 'lng' => $latlng->getLongitude() ]; |
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113 | } |
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114 | catch ( \Exception $exception ) { |
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115 | $this->getQueryPrinter()->addError( "Error on '$value': " . $exception->getMessage() ); |
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116 | } |
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117 | $value = $field->getNextDataItem(); |
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118 | } |
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119 | |||
120 | } |
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121 | |||
122 | 1 | return [ 'positions' => $values, ]; |
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123 | } |
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124 | } |
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125 | |||
126 | 1 | return null; |
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127 | } |
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128 | |||
129 | /** |
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130 | * @return bool |
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131 | */ |
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132 | 1 | public function isValidFilterForPropertyType() { |
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133 | 1 | return $this->getPrintRequest()->getTypeID() === '_geo' || $this->getPrintRequest()->getTypeID() === '_txt'; |
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134 | } |
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135 | } |
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136 |
This check marks private properties in classes that are never used. Those properties can be removed.