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 use PMA\libraries\gis\GISFactory;
   9 use PMA\libraries\gis\GISVisualization;
  10 use PMA\libraries\PMA_String;
  11
  12 /**
  13  * Escapes special characters if the variable is set.
  14  * Returns an empty string otherwise.
  15  *
  16  * @param string $variable variable to be escaped
  17  *
  18  * @return string escaped variable
  19  */
  20 function escape($variable)
  21 {
  22     return isset($variable) ? htmlspecialchars($variable) : '';
  23 }
  24
  25 require_once 'libraries/common.inc.php';
  26
  27 // Get data if any posted
  28 $gis_data = array();
  29 if (PMA_isValid($_REQUEST['gis_data'], 'array')) {
  30     $gis_data = $_REQUEST['gis_data'];
  31 }
  32
  33 $gis_types = array(
  34     'POINT',
  35     'MULTIPOINT',
  36     'LINESTRING',
  37     'MULTILINESTRING',
  38     'POLYGON',
  39     'MULTIPOLYGON',
  40     'GEOMETRYCOLLECTION'
  41 );
  42
  43 /** @var String $pmaString */
  44 $pmaString = $GLOBALS['PMA_String'];
  45
  46 // Extract type from the initial call and make sure that it's a valid one.
  47 // Extract from field's values if available, if not use the column type passed.
  48 if (! isset($gis_data['gis_type'])) {
  49     if (isset($_REQUEST['type']) && $_REQUEST['type'] != '') {
  50         $gis_data['gis_type'] = /*overload*/mb_strtoupper($_REQUEST['type']);
  51     }
  52     if (isset($_REQUEST['value']) && trim($_REQUEST['value']) != '') {
  53         $start = (substr($_REQUEST['value'], 0, 1) == "'") ? 1 : 0;
  54         $gis_data['gis_type'] = /*overload*/mb_substr(
  55             $_REQUEST['value'],
  56             $start,
  57             /*overload*/mb_strpos($_REQUEST['value'], "(") - $start
  58         );
  59     }
  60     if ((! isset($gis_data['gis_type']))
  61         || (! in_array($gis_data['gis_type'], $gis_types))
  62     ) {
  63         $gis_data['gis_type'] = $gis_types[0];
  64     }
  65 }
  66 $geom_type = $gis_data['gis_type'];
  67
  68 // Generate parameters from value passed.
  69 $gis_obj = GISFactory::factory($geom_type);
  70 if (isset($_REQUEST['value'])) {
  71     $gis_data = array_merge(
  72         $gis_data, $gis_obj->generateParams($_REQUEST['value'])
  73     );
  74 }
  75
  76 // Generate Well Known Text
  77 $srid = (isset($gis_data['srid']) && $gis_data['srid'] != '')
  78     ? htmlspecialchars($gis_data['srid']) : 0;
  79 $wkt = $gis_obj->generateWkt($gis_data, 0);
  80 $wkt_with_zero = $gis_obj->generateWkt($gis_data, 0, '0');
  81 $result = "'" . $wkt . "'," . $srid;
  82
  83 // Generate PNG or SVG based visualization
  84 $format = (PMA_USR_BROWSER_AGENT == 'IE' && PMA_USR_BROWSER_VER <= 8)
  85     ? 'png' : 'svg';
  86 $visualizationSettings = array(
  87     'width' => 450,
  88     'height' => 300,
  89     'spatialColumn' => 'wkt'
  90 );
  91 $data = array(array('wkt' => $wkt_with_zero, 'srid' => $srid));
  92 $visualization = GISVisualization::getByData($data, $visualizationSettings)
  93     ->toImage($format);
  94
  95 $open_layers = GISVisualization::getByData($data, $visualizationSettings)
  96     ->asOl();
  97
  98 // If the call is to update the WKT and visualization make an AJAX response
  99 if (isset($_REQUEST['generate']) && $_REQUEST['generate'] == true) {
 100     $extra_data = array(
 101         'result'        => $result,
 102         'visualization' => $visualization,
 103         'openLayers'    => $open_layers,
 104     );
 105     $response = PMA\libraries\Response::getInstance();
 106     $response->addJSON($extra_data);
 107     exit;
 108 }
 109
 110 ob_start();
 111
 112 echo '<form id="gis_data_editor_form" action="gis_data_editor.php" method="post">';
 113 echo '<input type="hidden" id="pmaThemeImage"'
 114     . ' value="' . $GLOBALS['pmaThemeImage'] . '" />';
 115 echo '<div id="gis_data_editor">';
 116
 117 echo '<h3>';
 118 printf(
 119     __('Value for the column "%s"'),
 120     htmlspecialchars($_REQUEST['field'])
 121 );
 122 echo '</h3>';
 123
 124 echo '<input type="hidden" name="field" value="'
 125     . htmlspecialchars($_REQUEST['field']) . '" />';
 126 // The input field to which the final result should be added
 127 // and corresponding null checkbox
 128 if (isset($_REQUEST['input_name'])) {
 129     echo '<input type="hidden" name="input_name" value="'
 130         . htmlspecialchars($_REQUEST['input_name']) . '" />';
 131 }
 132 echo PMA_URL_getHiddenInputs();
 133
 134 echo '<!-- Visualization section -->';
 135 echo '<div id="placeholder" style="width:450px;height:300px;'
 136     . ($srid != 0 ? 'display:none;' : '') . '">';
 137 echo $visualization;
 138 echo '</div>';
 139
 140 echo '<div id="openlayersmap" style="width:450px;height:300px;'
 141     . ($srid == 0 ? 'display:none;' : '') . '">';
 142 echo '</div>';
 143
 144 echo '<div class="choice" style="float:right;clear:right;">';
 145 echo '<input type="checkbox" id="choice" value="useBaseLayer"'
 146     . ($srid != 0 ? ' checked="checked"' : '') . '/>';
 147 echo '<label for="choice">' .  __("Use OpenStreetMaps as Base Layer") . '</label>';
 148 echo '</div>';
 149
 150 echo '<script language="javascript" type="text/javascript">';
 151 echo $open_layers;
 152 echo '</script>';
 153 echo '<!-- End of visualization section -->';
 154
 155
 156 echo '<!-- Header section - Inclueds GIS type selector and input field for SRID -->';
 157 echo '<div id="gis_data_header">';
 158 echo '<select name="gis_data[gis_type]" class="gis_type">';
 159 foreach ($gis_types as $gis_type) {
 160     echo '<option value="' . $gis_type . '"';
 161     if ($geom_type == $gis_type) {
 162         echo ' selected="selected"';
 163     }
 164     echo '>' . $gis_type . '</option>';
 165 }
 166 echo '</select>';
 167 echo '&nbsp;&nbsp;&nbsp;&nbsp;';
 168 /* l10n: Spatial Reference System Identifier */
 169 echo '<label for="srid">' .  __('SRID:') . '</label>';
 170 echo '<input name="gis_data[srid]" type="text" value="' . $srid . '" />';
 171 echo '</div>';
 172 echo '<!-- End of header section -->';
 173
 174 echo '<!-- Data section -->';
 175 echo '<div id="gis_data">';
 176
 177 $geom_count = 1;
 178 if ($geom_type == 'GEOMETRYCOLLECTION') {
 179     $geom_count = (isset($gis_data[$geom_type]['geom_count']))
 180         ? $gis_data[$geom_type]['geom_count'] : 1;
 181     if (isset($gis_data[$geom_type]['add_geom'])) {
 182         $geom_count++;
 183     }
 184     echo '<input type="hidden" name="gis_data[GEOMETRYCOLLECTION][geom_count]"'
 185         . ' value="' . $geom_count . '" />';
 186 }
 187
 188 for ($a = 0; $a < $geom_count; $a++) {
 189
 190     if ($geom_type == 'GEOMETRYCOLLECTION') {
 191         echo '<br/><br/>';
 192         printf(__('Geometry %d:'), $a + 1);
 193         echo '<br/>';
 194         if (isset($gis_data[$a]['gis_type'])) {
 195             $type = $gis_data[$a]['gis_type'];
 196         } else {
 197             $type = $gis_types[0];
 198         }
 199         echo '<select name="gis_data[' . $a . '][gis_type]" class="gis_type">';
 200         foreach (array_slice($gis_types, 0, 6) as $gis_type) {
 201             echo '<option value="' . $gis_type . '"';
 202             if ($type == $gis_type) {
 203                 echo ' selected="selected"';
 204             }
 205             echo '>' . $gis_type . '</option>';
 206         }
 207         echo '</select>';
 208     } else {
 209         $type = $geom_type;
 210     }
 211
 212     if ($type == 'POINT') {
 213         echo '<br/>';
 214         echo __('Point:');
 215         echo '<label for="x">' . __("X") . '</label>';
 216         echo '<input name="gis_data[' . $a . '][POINT][x]" type="text"'
 217             . ' value="' . escape($gis_data[$a]['POINT']['x']) . '" />';
 218         echo '<label for="y">' . __("Y") . '</label>';
 219         echo '<input name="gis_data[' . $a . '][POINT][y]" type="text"'
 220             . ' value="' . escape($gis_data[$a]['POINT']['y']) . '" />';
 221
 222     } elseif ($type == 'MULTIPOINT' || $type == 'LINESTRING') {
 223         $no_of_points = isset($gis_data[$a][$type]['no_of_points'])
 224             ? $gis_data[$a][$type]['no_of_points'] : 1;
 225         if ($type == 'LINESTRING' && $no_of_points < 2) {
 226             $no_of_points = 2;
 227         }
 228         if ($type == 'MULTIPOINT' && $no_of_points < 1) {
 229             $no_of_points = 1;
 230         }
 231
 232         if (isset($gis_data[$a][$type]['add_point'])) {
 233             $no_of_points++;
 234         }
 235         echo '<input type="hidden" value="' . $no_of_points . '"'
 236             . ' name="gis_data[' . $a . '][' . $type . '][no_of_points]" />';
 237
 238         for ($i = 0; $i < $no_of_points; $i++) {
 239             echo '<br/>';
 240             printf(__('Point %d'), $i + 1);
 241             echo ': ';
 242             echo '<label for="x">' .  __("X") . '</label>';
 243             echo '<input type="text"'
 244                 . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][x]"'
 245                 . ' value="' . escape($gis_data[$a][$type][$i]['x']) . '" />';
 246             echo '<label for="y">' . __("Y") . '</label>';
 247             echo '<input type="text"'
 248                 . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][y]"'
 249                 . ' value="' . escape($gis_data[$a][$type][$i]['y']) . '" />';
 250         }
 251         echo '<input type="submit"'
 252             . ' name="gis_data[' . $a . '][' . $type . '][add_point]"'
 253             . ' class="add addPoint" value="' . __("Add a point") . '" />';
 254
 255     } elseif ($type == 'MULTILINESTRING' || $type == 'POLYGON') {
 256         $no_of_lines = isset($gis_data[$a][$type]['no_of_lines'])
 257             ? $gis_data[$a][$type]['no_of_lines'] : 1;
 258         if ($no_of_lines < 1) {
 259             $no_of_lines = 1;
 260         }
 261         if (isset($gis_data[$a][$type]['add_line'])) {
 262             $no_of_lines++;
 263         }
 264         echo '<input type="hidden" value="' . $no_of_lines . '"'
 265             . ' name="gis_data[' . $a . '][' . $type . '][no_of_lines]" />';
 266
 267         for ($i = 0; $i < $no_of_lines; $i++) {
 268             echo '<br/>';
 269             if ($type == 'MULTILINESTRING') {
 270                 printf(__('Linestring %d:'), $i + 1);
 271             } else {
 272                 if ($i == 0) {
 273                     echo __('Outer ring:');
 274                 } else {
 275                     printf(__('Inner ring %d:'), $i);
 276                 }
 277             }
 278
 279             $no_of_points = isset($gis_data[$a][$type][$i]['no_of_points'])
 280                 ? $gis_data[$a][$type][$i]['no_of_points'] : 2;
 281             if ($type == 'MULTILINESTRING' && $no_of_points < 2) {
 282                 $no_of_points = 2;
 283             }
 284             if ($type == 'POLYGON' && $no_of_points < 4) {
 285                 $no_of_points = 4;
 286             }
 287             if (isset($gis_data[$a][$type][$i]['add_point'])) {
 288                 $no_of_points++;
 289             }
 290             echo '<input type="hidden" value="' . $no_of_points . '"'
 291                 . ' name="gis_data[' . $a . '][' . $type . '][' . $i
 292                 . '][no_of_points]" />';
 293
 294             for ($j = 0; $j < $no_of_points; $j++) {
 295                 echo('<br/>');
 296                 printf(__('Point %d'), $j + 1);
 297                 echo ': ';
 298                 echo '<label for="x">' .  __("X") . '</label>';
 299                 echo '<input type="text" name="gis_data[' . $a . '][' . $type . ']['
 300                     . $i . '][' . $j . '][x]" value="'
 301                     . escape($gis_data[$a][$type][$i][$j]['x']) . '" />';
 302                 echo '<label for="y">' . __("Y") . '</label>';
 303                 echo '<input type="text" name="gis_data[' . $a . '][' . $type . ']['
 304                     . $i . '][' . $j . '][y]"' . ' value="'
 305                     . escape($gis_data[$a][$type][$i][$j]['y']) . '" />';
 306             }
 307             echo '<input type="submit" name="gis_data[' . $a . '][' . $type . ']['
 308                 . $i . '][add_point]"'
 309                 . ' class="add addPoint" value="' . __("Add a point") . '" />';
 310         }
 311         $caption = ($type == 'MULTILINESTRING')
 312             ? __('Add a linestring')
 313             : __('Add an inner ring');
 314         echo '<br/>';
 315         echo '<input type="submit"'
 316             . ' name="gis_data[' . $a . '][' . $type . '][add_line]"'
 317             . ' class="add addLine" value="' . $caption . '" />';
 318
 319     } elseif ($type == 'MULTIPOLYGON') {
 320         $no_of_polygons = isset($gis_data[$a][$type]['no_of_polygons'])
 321             ? $gis_data[$a][$type]['no_of_polygons'] : 1;
 322         if ($no_of_polygons < 1) {
 323             $no_of_polygons = 1;
 324         }
 325         if (isset($gis_data[$a][$type]['add_polygon'])) {
 326             $no_of_polygons++;
 327         }
 328         echo '<input type="hidden"'
 329             . ' name="gis_data[' . $a . '][' . $type . '][no_of_polygons]"'
 330             . ' value="' . $no_of_polygons . '" />';
 331
 332         for ($k = 0; $k < $no_of_polygons; $k++) {
 333             echo '<br/>';
 334             printf(__('Polygon %d:'), $k + 1);
 335             $no_of_lines = isset($gis_data[$a][$type][$k]['no_of_lines'])
 336                 ? $gis_data[$a][$type][$k]['no_of_lines'] : 1;
 337             if ($no_of_lines < 1) {
 338                 $no_of_lines = 1;
 339             }
 340             if (isset($gis_data[$a][$type][$k]['add_line'])) {
 341                 $no_of_lines++;
 342             }
 343             echo '<input type="hidden"'
 344                 . ' name="gis_data[' . $a . '][' . $type . '][' . $k
 345                 . '][no_of_lines]"' . ' value="' . $no_of_lines . '" />';
 346
 347             for ($i = 0; $i < $no_of_lines; $i++) {
 348                 echo '<br/><br/>';
 349                 if ($i == 0) {
 350                     echo __('Outer ring:');
 351                 } else {
 352                     printf(__('Inner ring %d:'), $i);
 353                 }
 354
 355                 $no_of_points = isset($gis_data[$a][$type][$k][$i]['no_of_points'])
 356                     ? $gis_data[$a][$type][$k][$i]['no_of_points'] : 4;
 357                 if ($no_of_points < 4) {
 358                     $no_of_points = 4;
 359                 }
 360                 if (isset($gis_data[$a][$type][$k][$i]['add_point'])) {
 361                     $no_of_points++;
 362                 }
 363                 echo '<input type="hidden"'
 364                     . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i
 365                     . '][no_of_points]"' . ' value="' . $no_of_points . '" />';
 366
 367                 for ($j = 0; $j < $no_of_points; $j++) {
 368                     echo '<br/>';
 369                     printf(__('Point %d'), $j + 1);
 370                     echo ': ';
 371                     echo '<label for="x">' .  __("X") . '</label>';
 372                     echo '<input type="text"'
 373                         . ' name="gis_data[' . $a . '][' . $type . '][' . $k . ']['
 374                         . $i . '][' . $j . '][x]"'
 375                         . ' value="' . escape($gis_data[$a][$type][$k][$i][$j]['x'])
 376                         . '" />';
 377                     echo '<label for="y">' . __("Y") . '</label>';
 378                     echo '<input type="text"'
 379                         . ' name="gis_data[' . $a . '][' . $type . '][' . $k . ']['
 380                         . $i . '][' . $j . '][y]"'
 381                         . ' value="' . escape($gis_data[$a][$type][$k][$i][$j]['y'])
 382                         . '" />';
 383                 }
 384                 echo '<input type="submit"'
 385                     . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i
 386                     . '][add_point]"'
 387                     . ' class="add addPoint" value="' . __("Add a point") . '" />';
 388             }
 389             echo '<br/>';
 390             echo '<input type="submit"'
 391                 . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][add_line]"'
 392                 . ' class="add addLine" value="' . __('Add an inner ring') . '" />';
 393             echo '<br/>';
 394         }
 395         echo '<br/>';
 396         echo '<input type="submit"'
 397             . ' name="gis_data[' . $a . '][' . $type . '][add_polygon]"'
 398             . ' class="add addPolygon" value="' .  __('Add a polygon') . '" />';
 399     }
 400 }
 401 if ($geom_type == 'GEOMETRYCOLLECTION') {
 402     echo '<br/><br/>';
 403     echo '<input type="submit" name="gis_data[GEOMETRYCOLLECTION][add_geom]"'
 404         . 'class="add addGeom" value="' . __("Add geometry") . '" />';
 405 }
 406 echo '</div>';
 407 echo '<!-- End of data section -->';
 408
 409 echo '<br/>';
 410 echo '<input type="submit" name="gis_data[save]" value="' . __('Go') . '" />';
 411
 412 echo '<div id="gis_data_output">';
 413 echo '<h3>' . __('Output') . '</h3>';
 414 echo '<p>';
 415 echo __(
 416     'Choose "GeomFromText" from the "Function" column and paste the'
 417     . ' string below into the "Value" field.'
 418 );
 419 echo '</p>';
 420 echo '<textarea id="gis_data_textarea" cols="95" rows="5">';
 421 echo $result;
 422 echo '</textarea>';
 423 echo '</div>';
 424
 425 echo '</div>';
 426 echo '</form>';
 427
 428 PMA\libraries\Response::getInstance()->addJSON('gis_editor', ob_get_contents());
 429 ob_end_clean();