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