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