gis_data_editor.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Editor for Geometry data types.
   5  *
   6  * @package PhpMyAdmin
   7  */
   8
   9 /**
  10  * Escapes special characters if the variable is set.
  11  * Returns an empty string otherwise.
  12  *
  13  * @param string $variable variable to be escaped
  14  *
  15  * @return escaped variable
  16  */
  17 function escape($variable)
  18 {
  19     return isset($variable) ? htmlspecialchars($variable) : '';
  20 }
  21
  22 require_once 'libraries/common.inc.php';
  23 require_once 'libraries/gis/pma_gis_factory.php';
  24 require_once 'libraries/gis/pma_gis_visualization.php';
  25
  26 // Get data if any posted
  27 $gis_data = array();
  28 if (PMA_isValid($_REQUEST['gis_data'], 'array')) {
  29     $gis_data = $_REQUEST['gis_data'];
  30 }
  31
  32 $gis_types = array(
  33     'POINT',
  34     'MULTIPOINT',
  35     'LINESTRING',
  36     'MULTILINESTRING',
  37     'POLYGON',
  38     'MULTIPOLYGON',
  39     'GEOMETRYCOLLECTION'
  40 );
  41
  42 // Extract type from the initial call and make sure that it's a valid one.
  43 // Extract from field's values if availbale, if not use the column type passed.
  44 if (! isset($gis_data['gis_type'])) {
  45     if (isset($_REQUEST['type']) && $_REQUEST['type'] != '') {
  46         $gis_data['gis_type'] = strtoupper($_REQUEST['type']);
  47     }
  48     if (isset($_REQUEST['value']) && trim($_REQUEST['value']) != '') {
  49         $start = (substr($_REQUEST['value'], 0, 1) == "'") ? 1 : 0;
  50         $gis_data['gis_type'] = substr(
  51             $_REQUEST['value'], $start, strpos($_REQUEST['value'], "(") - $start
  52         );
  53     }
  54     if ((! isset($gis_data['gis_type']))
  55         || (! in_array($gis_data['gis_type'], $gis_types))
  56     ) {
  57         $gis_data['gis_type'] = $gis_types[0];
  58     }
  59 }
  60 $geom_type = $gis_data['gis_type'];
  61
  62 // Generate parameters from value passed.
  63 $gis_obj = PMA_GIS_Factory::factory($geom_type);
  64 if (isset($_REQUEST['value'])) {
  65     $gis_data = array_merge(
  66         $gis_data, $gis_obj->generateParams($_REQUEST['value'])
  67     );
  68 }
  69
  70 // Generate Well Known Text
  71 $srid = (isset($gis_data['srid']) && $gis_data['srid'] != '')
  72     ? htmlspecialchars($gis_data['srid']) : 0;
  73 $wkt = $gis_obj->generateWkt($gis_data, 0);
  74 $wkt_with_zero = $gis_obj->generateWkt($gis_data, 0, '0');
  75 $result = "'" . $wkt . "'," . $srid;
  76
  77 // Generate PNG or SVG based visualization
  78 $format = (PMA_USR_BROWSER_AGENT == 'IE' && PMA_USR_BROWSER_VER <= 8)
  79     ? 'png' : 'svg';
  80 $visualizationSettings = array(
  81     'width' => 450,
  82     'height' => 300,
  83     'spatialColumn' => 'wkt'
  84 );
  85 $data = array(array('wkt' => $wkt_with_zero, 'srid' => $srid));
  86 $visualization = PMA_GIS_visualizationResults(
  87     $data, $visualizationSettings, $format
  88 );
  89 $open_layers = PMA_GIS_visualizationResults($data, $visualizationSettings, 'ol');
  90
  91 // If the call is to update the WKT and visualization make an AJAX response
  92 if (isset($_REQUEST['generate']) && $_REQUEST['generate'] == true) {
  93     $extra_data = array(
  94         'result'        => $result,
  95         'visualization' => $visualization,
  96         'openLayers'    => $open_layers,
  97     );
  98     $response = PMA_Response::getInstance();
  99     $response->addJSON($extra_data);
 100     exit;
 101 }
 102
 103 ob_start();
 104
 105 echo '<form id="gis_data_editor_form" action="gis_data_editor.php" method="post">';
 106 echo '<input type="hidden" id="pmaThemeImage"'
 107     . ' value="' . $GLOBALS['pmaThemeImage'] . '" />';
 108 echo '<div id="gis_data_editor">';
 109
 110 echo '<h3>';
 111 printf(
 112     __('Value for the column "%s"'),
 113     htmlspecialchars($_REQUEST['field'])
 114 );
 115 echo '</h3>';
 116
 117 echo '<input type="hidden" name="field" value="'
 118     . htmlspecialchars($_REQUEST['field']) . '" />';
 119 // The input field to which the final result should be added
 120 // and corresponding null checkbox
 121 if (isset($_REQUEST['input_name'])) {
 122     echo '<input type="hidden" name="input_name" value="'
 123         . htmlspecialchars($_REQUEST['input_name']) . '" />';
 124 }
 125 echo PMA_URL_getHiddenInputs();
 126
 127 echo '<!-- Visualization section -->';
 128 echo '<div id="placeholder" style="width:450px;height:300px;'
 129     . ($srid != 0 ? 'display:none;' : '') . '">';
 130 echo $visualization;
 131 echo '</div>';
 132
 133 echo '<div id="openlayersmap" style="width:450px;height:300px;'
 134     . ($srid == 0 ? 'display:none;' : '') . '">';
 135 echo '</div>';
 136
 137 echo '<div class="choice" style="float:right;clear:right;">';
 138 echo '<input type="checkbox" id="choice" value="useBaseLayer"'
 139     . ($srid != 0 ? ' checked="checked"' : '') . '/>';
 140 echo '<label for="choice">' .  __("Use OpenStreetMaps as Base Layer") . '</label>';
 141 echo '</div>';
 142
 143 echo '<script language="javascript" type="text/javascript">';
 144 echo $open_layers;
 145 echo '</script>';
 146 echo '<!-- End of visualization section -->';
 147
 148
 149 echo '<!-- Header section - Inclueds GIS type selector and input field for SRID -->';
 150 echo '<div id="gis_data_header">';
 151 echo '<select name="gis_data[gis_type]" class="gis_type">';
 152 foreach ($gis_types as $gis_type) {
 153     echo '<option value="' . $gis_type . '"';
 154     if ($geom_type == $gis_type) {
 155         echo ' selected="selected"';
 156     }
 157     echo '>' . $gis_type . '</option>';
 158 }
 159 echo '</select>';
 160 echo '&nbsp;&nbsp;&nbsp;&nbsp;';
 161 /* l10n: Spatial Reference System Identifier */
 162 echo '<label for="srid">' .  __('SRID:') . '</label>';
 163 echo '<input name="gis_data[srid]" type="text" value="' . $srid . '" />';
 164 echo '</div>';
 165 echo '<!-- End of header section -->';
 166
 167 echo '<!-- Data section -->';
 168 echo '<div id="gis_data">';
 169
 170 $geom_count = 1;
 171 if ($geom_type == 'GEOMETRYCOLLECTION') {
 172     $geom_count = (isset($gis_data[$geom_type]['geom_count']))
 173         ? $gis_data[$geom_type]['geom_count'] : 1;
 174     if (isset($gis_data[$geom_type]['add_geom'])) {
 175         $geom_count++;
 176     }
 177     echo '<input type="hidden" name="gis_data[GEOMETRYCOLLECTION][geom_count]"'
 178         . ' value="' . $geom_count . '" />';
 179 }
 180
 181 for ($a = 0; $a < $geom_count; $a++) {
 182
 183     if ($geom_type == 'GEOMETRYCOLLECTION') {
 184         echo '<br/><br/>';
 185         printf(__('Geometry %d:'), $a + 1);
 186         echo '<br/>';
 187         if (isset($gis_data[$a]['gis_type'])) {
 188             $type = $gis_data[$a]['gis_type'];
 189         } else {
 190             $type = $gis_types[0];
 191         }
 192         echo '<select name="gis_data[' . $a . '][gis_type]" class="gis_type">';
 193         foreach (array_slice($gis_types, 0, 6) as $gis_type) {
 194             echo '<option value="' . $gis_type . '"';
 195             if ($type == $gis_type) {
 196                 echo ' selected="selected"';
 197             }
 198             echo '>' . $gis_type . '</option>';
 199         }
 200         echo '</select>';
 201     } else {
 202         $type = $geom_type;
 203     }
 204
 205     if ($type == 'POINT') {
 206         echo '<br/>';
 207         echo __('Point:');
 208         echo '<label for="x">' . __("X") . '</label>';
 209         echo '<input name="gis_data[' . $a . '][POINT][x]" type="text"'
 210             . ' value="' . escape($gis_data[$a]['POINT']['x']) . '" />';
 211         echo '<label for="y">' . __("Y") . '</label>';
 212         echo '<input name="gis_data[' . $a . '][POINT][y]" type="text"'
 213             . ' value="' . escape($gis_data[$a]['POINT']['y']) . '" />';
 214
 215     } elseif ($type == 'MULTIPOINT' || $type == 'LINESTRING') {
 216         $no_of_points = isset($gis_data[$a][$type]['no_of_points'])
 217             ? $gis_data[$a][$type]['no_of_points'] : 1;
 218         if ($type == 'LINESTRING' && $no_of_points < 2) {
 219             $no_of_points = 2;
 220         }
 221         if ($type == 'MULTIPOINT' && $no_of_points < 1) {
 222             $no_of_points = 1;
 223         }
 224
 225         if (isset($gis_data[$a][$type]['add_point'])) {
 226             $no_of_points++;
 227         }
 228         echo '<input type="hidden" value="' . $no_of_points . '"'
 229             . ' name="gis_data[' . $a . '][' . $type . '][no_of_points]" />';
 230
 231         for ($i = 0; $i < $no_of_points; $i++) {
 232             echo '<br/>';
 233             printf(__('Point %d'), $i + 1);
 234             echo ': ';
 235             echo '<label for="x">' .  __("X") . '</label>';
 236             echo '<input type="text"'
 237                 . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][x]"'
 238                 . ' value="' . escape($gis_data[$a][$type][$i]['x']) . '" />';
 239             echo '<label for="y">' . __("Y") . '</label>';
 240             echo '<input type="text"'
 241                 . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][y]"'
 242                 . ' value="' . escape($gis_data[$a][$type][$i]['y']). '" />';
 243         }
 244         echo '<input type="submit"'
 245             . ' name="gis_data[' . $a . '][' . $type . '][add_point]"'
 246             . ' class="add addPoint" value="' . __("Add a point") . '" />';
 247
 248     } elseif ($type == 'MULTILINESTRING' || $type == 'POLYGON') {
 249         $no_of_lines = isset($gis_data[$a][$type]['no_of_lines'])
 250             ? $gis_data[$a][$type]['no_of_lines'] : 1;
 251         if ($no_of_lines < 1) {
 252             $no_of_lines = 1;
 253         }
 254         if (isset($gis_data[$a][$type]['add_line'])) {
 255             $no_of_lines++;
 256         }
 257         echo '<input type="hidden" value="' . $no_of_lines . '"'
 258             . ' name="gis_data[' . $a . '][' . $type . '][no_of_lines]" />';
 259
 260         for ($i = 0; $i < $no_of_lines; $i++) {
 261             echo '<br/>';
 262             if ($type == 'MULTILINESTRING') {
 263                 printf(__('Linestring %d:'), $i + 1);
 264             } else {
 265                 if ($i == 0) {
 266                     echo __('Outer ring:');
 267                 } else {
 268                     printf(__('Inner ring %d:'), $i);
 269                 }
 270             }
 271
 272             $no_of_points = isset($gis_data[$a][$type][$i]['no_of_points'])
 273                 ? $gis_data[$a][$type][$i]['no_of_points'] : 2;
 274             if ($type == 'MULTILINESTRING' && $no_of_points < 2) {
 275                 $no_of_points = 2;
 276             }
 277             if ($type == 'POLYGON' && $no_of_points < 4) {
 278                 $no_of_points = 4;
 279             }
 280             if (isset($gis_data[$a][$type][$i]['add_point'])) {
 281                 $no_of_points++;
 282             }
 283             echo '<input type="hidden" value="' . $no_of_points . '"'
 284                . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][no_of_points]" />';
 285
 286             for ($j = 0; $j < $no_of_points; $j++) {
 287                 echo('<br/>');
 288                 printf(__('Point %d'), $j + 1);
 289                 echo ': ';
 290                 echo '<label for="x">' .  __("X") . '</label>';
 291                 echo '<input type="text"'
 292                     . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][' . $j . '][x]"'
 293                     . ' value="' . escape($gis_data[$a][$type][$i][$j]['x']) . '" />';
 294                 echo '<label for="y">' . __("Y") . '</label>';
 295                 echo '<input type="text"'
 296                     . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][' . $j . '][y]"'
 297                     . ' value="' . escape($gis_data[$a][$type][$i][$j]['x']) . '" />';
 298             }
 299             echo '<input type="submit"'
 300                 . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][add_point]"'
 301                 . ' class="add addPoint" value="' . __("Add a point") . '" />';
 302         }
 303         $caption = ($type == 'MULTILINESTRING')
 304             ? __('Add a linestring')
 305             : __('Add an inner ring');
 306         echo '<br/>';
 307         echo '<input type="submit"'
 308             . ' name="gis_data[' . $a . '][' . $type . '][add_line]"'
 309             . ' class="add addLine" value="' . $caption . '" />';
 310
 311     } elseif ($type == 'MULTIPOLYGON') {
 312         $no_of_polygons = isset($gis_data[$a][$type]['no_of_polygons'])
 313             ? $gis_data[$a][$type]['no_of_polygons'] : 1;
 314         if ($no_of_polygons < 1) {
 315             $no_of_polygons = 1;
 316         }
 317         if (isset($gis_data[$a][$type]['add_polygon'])) {
 318             $no_of_polygons++;
 319         }
 320         echo '<input type="hidden"'
 321             . ' name="gis_data[' . $a . '][' . $type . '][no_of_polygons]"'
 322             . ' value="' . $no_of_polygons . '" />';
 323
 324         for ($k = 0; $k < $no_of_polygons; $k++) {
 325             echo '<br/>';
 326             printf(__('Polygon %d:'), $k + 1);
 327             $no_of_lines = isset($gis_data[$a][$type][$k]['no_of_lines'])
 328                 ? $gis_data[$a][$type][$k]['no_of_lines'] : 1;
 329             if ($no_of_lines < 1) {
 330                 $no_of_lines = 1;
 331             }
 332             if (isset($gis_data[$a][$type][$k]['add_line'])) {
 333                 $no_of_lines++;
 334             }
 335             echo '<input type="hidden"'
 336                 . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][no_of_lines]"'
 337                 . ' value="' . $no_of_lines . '" />';
 338
 339             for ($i = 0; $i < $no_of_lines; $i++) {
 340                 echo '<br/><br/>';
 341                 if ($i == 0) {
 342                     echo __('Outer ring:');
 343                 } else {
 344                     printf(__('Inner ring %d:'), $i);
 345                 }
 346
 347                 $no_of_points = isset($gis_data[$a][$type][$k][$i]['no_of_points'])
 348                     ? $gis_data[$a][$type][$k][$i]['no_of_points'] : 4;
 349                 if ($no_of_points < 4) {
 350                     $no_of_points = 4;
 351                 }
 352                 if (isset($gis_data[$a][$type][$k][$i]['add_point'])) {
 353                     $no_of_points++;
 354                 }
 355                 echo '<input type="hidden"'
 356                     . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i . '][no_of_points]"'
 357                     . ' value="' . $no_of_points . '" />';
 358
 359                 for ($j = 0; $j < $no_of_points; $j++) {
 360                     echo '<br/>';
 361                     printf(__('Point %d'), $j + 1);
 362                     echo ': ';
 363                     echo '<label for="x">' .  __("X") . '</label>';
 364                     echo '<input type="text"'
 365                         . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i . '][' . $j . '][x]"'
 366                         . ' value="' . escape($gis_data[$a][$type][$k][$i][$j]['x']). '" />';
 367                     echo '<label for="y">' . __("Y") . '</label>';
 368                     echo '<input type="text"'
 369                         . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i . '][' . $j . '][y]"'
 370                         . ' value="' . escape($gis_data[$a][$type][$k][$i][$j]['y']) . '" />';
 371                 }
 372                 echo '<input type="submit"'
 373                     . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i . '][add_point]"'
 374                     . ' class="add addPoint" value="' . __("Add a point") . '" />';
 375             }
 376             echo '<br/>';
 377             echo '<input type="submit"'
 378                 . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][add_line]"'
 379                 . ' class="add addLine" value="' . __('Add an inner ring'). '" />';
 380             echo '<br/>';
 381         }
 382         echo '<br/>';
 383         echo '<input type="submit"'
 384             . ' name="gis_data[' . $a . '][' . $type . '][add_polygon]"'
 385             . ' class="add addPolygon" value="' .  __('Add a polygon') . '" />';
 386     }
 387 }
 388 if ($geom_type == 'GEOMETRYCOLLECTION') {
 389     echo '<br/><br/>';
 390     echo '<input type="submit" name="gis_data[GEOMETRYCOLLECTION][add_geom]"'
 391         . 'class="add addGeom" value="' . __("Add geometry") . '" />';
 392 }
 393 echo '</div>';
 394 echo '<!-- End of data section -->';
 395
 396 echo '<br/>';
 397 echo '<input type="submit" name="gis_data[save]" value="' . __('Go') . '" />';
 398
 399 echo '<div id="gis_data_output">';
 400 echo '<h3>' . __('Output') . '</h3>';
 401 echo '<p>';
 402 echo __(
 403     'Choose "GeomFromText" from the "Function" column and paste the'
 404     . ' string below into the "Value" field'
 405 );
 406 echo '</p>';
 407 echo '<textarea id="gis_data_textarea" cols="95" rows="5">';
 408 echo $result;
 409 echo '</textarea>';
 410 echo '</div>';
 411
 412 echo '</div>';
 413 echo '</form>';
 414
 415 PMA_Response::getInstance()->addJSON('gis_editor', ob_get_contents());
 416 ob_end_clean();
 417 ?>