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1 | <?php |
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2 | /** |
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3 | * This file contains only a single class. |
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4 | * |
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5 | * @file |
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6 | * @package Tabulate |
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7 | */ |
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8 | |||
9 | namespace WordPress\Tabulate\Controllers; |
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10 | |||
11 | use WordPress\Tabulate\DB\Database; |
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12 | |||
13 | /** |
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14 | * The map controller handles display exporting of geographic data. |
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15 | */ |
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16 | class MapController extends ControllerBase { |
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17 | |||
18 | /** |
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19 | * The name of the POINT column. |
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20 | * |
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21 | * @var string |
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22 | */ |
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23 | protected $point_col_name; |
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24 | |||
25 | /** |
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26 | * The table (should contain a POINT column). |
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27 | * |
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28 | * @var \WordPress\Tabulate\DB\Table |
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29 | */ |
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30 | protected $table; |
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31 | |||
32 | /** |
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33 | * Set up common parts of the exports. |
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34 | * This is run for each of the public actions. |
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35 | * |
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36 | * @param string[] $args The request arguments. |
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37 | * @return null If the table doesn't contain any POINT column. |
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38 | */ |
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39 | protected function set_up( $args ) { |
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40 | $db = new Database( $this->wpdb ); |
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41 | $this->table = $db->get_table( $args['table'] ); |
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42 | |||
43 | // Check that a point column exists. |
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44 | $points = $this->table->get_columns( 'point' ); |
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45 | if ( empty( $points ) ) { |
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46 | return; |
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47 | } |
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48 | $point_col = array_shift( $points ); |
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49 | $this->point_col_name = $point_col->get_name(); |
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50 | |||
51 | // Apply filters. |
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52 | $filter_param = (isset( $args['filter'] )) ? $args['filter'] : array(); |
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53 | $this->table->add_filters( $filter_param ); |
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54 | $this->table->add_filter( $this->point_col_name, 'not empty', '' ); |
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55 | } |
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56 | |||
57 | /** |
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58 | * Get the Tabulate 'by line' for inclusion in exports. |
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59 | * |
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60 | * @return string |
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61 | */ |
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62 | protected function byline() { |
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63 | return 'Tabulate ' . TABULATE_VERSION . ' (WordPress plugin)'; |
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64 | } |
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65 | |||
66 | /** |
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67 | * Export to OSM format. |
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68 | * |
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69 | * @param string[] $args The request arguments. |
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70 | */ |
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71 | public function osm( $args ) { |
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72 | $this->set_up( $args ); |
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73 | |||
74 | // Create XML. |
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75 | $osm = new \SimpleXMLElement( '<osm />' ); |
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76 | $osm->addAttribute( 'version', '0.6' ); |
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77 | $osm->addAttribute( 'generator', $this->byline() ); |
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78 | $id = -1; |
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79 | foreach ( $this->table->get_records( false ) as $record ) { |
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80 | $geom = \geoPHP::load( $record->{$this->point_col_name}() ); |
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81 | $node = $osm->addChild( 'node' ); |
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82 | $node->addAttribute( 'id', $id ); |
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83 | $id--; |
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84 | $node->addAttribute( 'lat', $geom->getY() ); |
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85 | $node->addAttribute( 'lon', $geom->getX() ); |
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86 | $node->addAttribute( 'visible', 'true' ); // Required attribute. |
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87 | foreach ( $this->table->get_columns() as $col ) { |
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88 | if ( $col->get_name() === $this->point_col_name ) { |
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89 | // Don't include the geometry column. |
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90 | continue; |
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91 | } |
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92 | $tag = $node->addChild( 'tag' ); |
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93 | $col_name = $col->get_name(); |
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94 | $tag->addAttribute( 'k', $col_name ); |
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95 | $fktitle = $col_name . \WordPress\Tabulate\DB\Record::FKTITLE; |
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96 | $tag->addAttribute( 'v', $record->$fktitle() ); |
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97 | } |
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98 | } |
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99 | |||
100 | // Send to browser. |
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101 | $this->send_file( 'osm', 'application/xml', $osm->asXML() ); |
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102 | } |
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103 | |||
104 | /** |
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105 | * Export to KML format. |
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106 | * |
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107 | * @param string[] $args The request arguments. |
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108 | */ |
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109 | public function kml( $args ) { |
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110 | $this->set_up( $args ); |
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111 | |||
112 | // Create KML. |
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113 | $kml = new \SimpleXMLElement( '<kml />' ); |
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114 | $kml->addAttribute( 'xmlns', 'http://www.opengis.net/kml/2.2' ); |
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115 | $kml_doc = $kml->addChild( 'Document' ); |
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116 | foreach ( $this->table->get_records( false ) as $record ) { |
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117 | $placemark = $kml_doc->addChild( 'Placemark' ); |
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118 | $placemark->addChild( 'name', $record->get_title() ); |
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119 | $placemark->addChild( 'description', htmlentities( '<a href="' . $record->get_url() . '">View record.</a>' ) ); |
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120 | $point = $placemark->addChild( 'Point' ); |
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121 | $geom = \geoPHP::load( $record->{$this->point_col_name}() ); |
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122 | $point->addChild( 'coordinates', $geom->getX() . ',' . $geom->getY() ); |
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123 | } |
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124 | |||
125 | // Send to browser. |
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126 | $this->send_file( 'kml', 'application/vnd.google-earth.kml+xml', $kml->asXML() ); |
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127 | } |
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128 | |||
129 | /** |
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130 | * Export to GPX format. |
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131 | * |
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132 | * @param string[] $args The request arguments. |
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133 | */ |
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134 | public function gpx( $args ) { |
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135 | $this->set_up( $args ); |
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136 | |||
137 | // Create GPX. |
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138 | $gpx = new \SimpleXMLElement( '<gpx xmlns:gpxx="http://www.garmin.com/xmlschemas/GpxExtensions/v3" />' ); |
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139 | $gpx->addAttribute( 'version', '1.1' ); |
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140 | $gpx->addAttribute( 'xmlns', 'http://www.topografix.com/GPX/1/1' ); |
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141 | $gpx->addAttribute( 'creator', $this->byline() ); |
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142 | foreach ( $this->table->get_records( false ) as $record ) { |
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143 | $geom = \geoPHP::load( $record->{$this->point_col_name}() ); |
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144 | $wpt = $gpx->addChild( 'wpt' ); |
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145 | $wpt->addAttribute( 'lat', $geom->getY() ); |
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146 | $wpt->addAttribute( 'lon', $geom->getX() ); |
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147 | $wpt->addChild( 'name', $record->get_title() ); |
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148 | $wpt->addChild( 'description', htmlentities( '<a href="' . $record->get_url() . '">View record.</a>' ) ); |
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149 | $extensions = $wpt->addChild( 'extensions' ); |
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150 | $waypoint_extension = $extensions->addChild( 'gpxx:WaypointExtension', '', 'gpxx' ); |
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151 | $categories = $waypoint_extension->addChild( 'gpxx:Categories', '', 'gpxx' ); |
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152 | foreach ( $this->table->get_columns() as $col ) { |
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153 | if ( $col->get_name() === $this->point_col_name ) { |
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154 | // Don't include the geometry column. |
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155 | continue; |
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156 | } |
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157 | $fktitle = $col->get_name() . \WordPress\Tabulate\DB\Record::FKTITLE; |
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158 | $value = $record->$fktitle(); |
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159 | $categories->addChild( 'gpxx:Categories', $col->get_title() . ": $value", 'gpxx' ); |
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160 | $waypoint_extension->addChild( 'gpxx:' . $col->get_name(), $value, 'gpxx' ); |
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161 | } |
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162 | } |
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163 | |||
164 | // Send to browser. |
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165 | $this->send_file( 'gpx', 'application/gpx+xml', $gpx->asXML() ); |
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166 | } |
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167 | |||
168 | /** |
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169 | * Send a file to the client for download. |
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170 | * |
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171 | * @param string $ext The file extension. |
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172 | * @param string $mime The mime type. |
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173 | * @param string $content File contents. |
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174 | * @param string $download_name The name of the downloaded file. |
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175 | */ |
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176 | protected function send_file( $ext, $mime, $content, $download_name = false ) { |
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177 | $download_name = date( 'Y-m-d' ) . '_' . $this->table->get_name(); |
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178 | parent::send_file( $ext, $mime, $content, $download_name ); |
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179 | } |
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180 | } |
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181 |
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: