phpmyadmin/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_visualization.lib.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($_REQUEST['input_name']) . '" />';
 124 }
 125 echo PMA_generate_common_hidden_inputs();
 126
 127 echo '<!-- Visualization section -->';
 128 echo '<div id="placeholder" style="width:450px;height:300px;'
 129     . ($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 echo '<label for="srid">' .  __("SRID") . ':</label>';
 162 echo '<input name="gis_data[srid]" type="text" value="' . $srid . '" />';
 163 echo '</div>';
 164 echo '<!-- End of header section -->';
 165
 166 echo '<!-- Data section -->';
 167 echo '<div id="gis_data">';
 168
 169 $geom_count = 1;
 170 if ($geom_type == 'GEOMETRYCOLLECTION') {
 171     $geom_count = (isset($gis_data[$geom_type]['geom_count']))
 172         ? $gis_data[$geom_type]['geom_count'] : 1;
 173     if (isset($gis_data[$geom_type]['add_geom'])) {
 174         $geom_count++;
 175     }
 176     echo '<input type="hidden" name="gis_data[GEOMETRYCOLLECTION][geom_count]"'
 177         . ' value="' . $geom_count . '" />';
 178 }
 179
 180 for ($a = 0; $a < $geom_count; $a++) {
 181
 182     if ($geom_type == 'GEOMETRYCOLLECTION') {
 183         echo '<br/><br/>';
 184         echo __("Geometry") . ' ' . ($a + 1) . ': ';
 185         echo '<br/>';
 186         if (isset($gis_data[$a]['gis_type'])) {
 187             $type = $gis_data[$a]['gis_type'];
 188         } else {
 189             $type = $gis_types[0];
 190         }
 191         echo '<select name="gis_data[' . $a . '][gis_type]" class="gis_type">';
 192         foreach (array_slice($gis_types, 0, 6) as $gis_type) {
 193             echo '<option value="' . $gis_type . '"';
 194             if ($type == $gis_type) {
 195                 echo ' selected="selected"';
 196             }
 197             echo '>' . $gis_type . '</option>';
 198         }
 199         echo '</select>';
 200     } else {
 201         $type = $geom_type;
 202     }
 203
 204     if ($type == 'POINT') {
 205         echo '<br/>';
 206         echo __("Point") . ': ';
 207         echo '<label for="x">' . __("X") . '</label>';
 208         echo '<input name="gis_data[' . $a . '][POINT][x]" type="text"'
 209             . ' value="' . escape($gis_data[$a]['POINT']['x']) . '" />';
 210         echo '<label for="y">' . __("Y") . '</label>';
 211         echo '<input name="gis_data[' . $a . '][POINT][y]" type="text"'
 212             . ' value="' . escape($gis_data[$a]['POINT']['y']) . '" />';
 213
 214     } elseif ($type == 'MULTIPOINT' || $type == 'LINESTRING') {
 215         $no_of_points = isset($gis_data[$a][$type]['no_of_points'])
 216             ? $gis_data[$a][$type]['no_of_points'] : 1;
 217         if ($type == 'LINESTRING' && $no_of_points < 2) {
 218             $no_of_points = 2;
 219         }
 220         if ($type == 'MULTIPOINT' && $no_of_points < 1) {
 221             $no_of_points = 1;
 222         }
 223
 224         if (isset($gis_data[$a][$type]['add_point'])) {
 225             $no_of_points++;
 226         }
 227         echo '<input type="hidden" value="' . $no_of_points . '"'
 228             . ' name="gis_data[' . $a . '][' . $type . '][no_of_points]" />';
 229
 230         for ($i = 0; $i < $no_of_points; $i++) {
 231             echo '<br/>';
 232             printf(__('Point %d'), $i + 1);
 233             echo ': ';
 234             echo '<label for="x">' .  __("X") . '</label>';
 235             echo '<input type="text"'
 236                 . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][x]"'
 237                 . ' value="' . escape($gis_data[$a][$type][$i]['x']) . '" />';
 238             echo '<label for="y">' . __("Y") . '</label>';
 239             echo '<input type="text"'
 240                 . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][y]"'
 241                 . ' value="' . escape($gis_data[$a][$type][$i]['y']). '" />';
 242         }
 243         echo '<input type="submit"'
 244             . ' name="gis_data[' . $a . '][' . $type . '][add_point]"'
 245             . ' class="add addPoint" value="' . __("Add a point") . '" />';
 246
 247     } elseif ($type == 'MULTILINESTRING' || $type == 'POLYGON') {
 248         $no_of_lines = isset($gis_data[$a][$type]['no_of_lines'])
 249             ? $gis_data[$a][$type]['no_of_lines'] : 1;
 250         if ($no_of_lines < 1) {
 251             $no_of_lines = 1;
 252         }
 253         if (isset($gis_data[$a][$type]['add_line'])) {
 254             $no_of_lines++;
 255         }
 256         echo '<input type="hidden" value="' . $no_of_lines . '"'
 257             . ' name="gis_data[' . $a . '][' . $type . '][no_of_lines]" />';
 258
 259         for ($i = 0; $i < $no_of_lines; $i++) {
 260             echo '<br/>';
 261             if ($type == 'MULTILINESTRING') {
 262                 echo __("Linestring") . ' ' . ($i + 1) . ':';
 263             } else {
 264                 if ($i == 0) {
 265                     echo __("Outer Ring") . ':';
 266                 } else {
 267                     echo __("Inner Ring") . ' ' . $i . ':';
 268                 }
 269             }
 270
 271             $no_of_points = isset($gis_data[$a][$type][$i]['no_of_points'])
 272                 ? $gis_data[$a][$type][$i]['no_of_points'] : 2;
 273             if ($type == 'MULTILINESTRING' && $no_of_points < 2) {
 274                 $no_of_points = 2;
 275             }
 276             if ($type == 'POLYGON' && $no_of_points < 4) {
 277                 $no_of_points = 4;
 278             }
 279             if (isset($gis_data[$a][$type][$i]['add_point'])) {
 280                 $no_of_points++;
 281             }
 282             echo '<input type="hidden" value="' . $no_of_points . '"'
 283                . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][no_of_points]" />';
 284
 285             for ($j = 0; $j < $no_of_points; $j++) {
 286                 echo('<br/>');
 287                 printf(__('Point %d'), $j + 1);
 288                 echo ': ';
 289                 echo '<label for="x">' .  __("X") . '</label>';
 290                 echo '<input type="text"'
 291                     . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][' . $j . '][x]"'
 292                     . ' value="' . escape($gis_data[$a][$type][$i][$j]['x']) . '" />';
 293                 echo '<label for="y">' . __("Y") . '</label>';
 294                 echo '<input type="text"'
 295                     . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][' . $j . '][y]"'
 296                     . ' value="' . escape($gis_data[$a][$type][$i][$j]['x']) . '" />';
 297             }
 298             echo '<input type="submit"'
 299                 . ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][add_point]"'
 300                 . ' class="add addPoint" value="' . __("Add a point") . '" />';
 301         }
 302         $caption = ($type == 'MULTILINESTRING')
 303             ? __('Add a linestring')
 304             : __('Add an inner ring');
 305         echo '<br/>';
 306         echo '<input type="submit"'
 307             . ' name="gis_data[' . $a . '][' . $type . '][add_line]"'
 308             . ' class="add addLine" value="' . $caption . '" />';
 309
 310     } elseif ($type == 'MULTIPOLYGON') {
 311         $no_of_polygons = isset($gis_data[$a][$type]['no_of_polygons'])
 312             ? $gis_data[$a][$type]['no_of_polygons'] : 1;
 313         if ($no_of_polygons < 1) {
 314             $no_of_polygons = 1;
 315         }
 316         if (isset($gis_data[$a][$type]['add_polygon'])) {
 317             $no_of_polygons++;
 318         }
 319         echo '<input type="hidden"'
 320             . ' name="gis_data[' . $a . '][' . $type . '][no_of_polygons]"'
 321             . ' value="' . $no_of_polygons . '" />';
 322
 323         for ($k = 0; $k < $no_of_polygons; $k++) {
 324             echo '<br/>';
 325             echo __("Polygon") . ' ' . ($k + 1) . ':';
 326             $no_of_lines = isset($gis_data[$a][$type][$k]['no_of_lines'])
 327                 ? $gis_data[$a][$type][$k]['no_of_lines'] : 1;
 328             if ($no_of_lines < 1) {
 329                 $no_of_lines = 1;
 330             }
 331             if (isset($gis_data[$a][$type][$k]['add_line'])) {
 332                 $no_of_lines++;
 333             }
 334             echo '<input type="hidden"'
 335                 . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][no_of_lines]"'
 336                 . ' value="' . $no_of_lines . '" />';
 337
 338             for ($i = 0; $i < $no_of_lines; $i++) {
 339                 echo '<br/><br/>';
 340                 if ($i == 0) {
 341                     echo __("Outer Ring") . ':';
 342                 } else {
 343                     echo __("Inner Ring") . ' ' . $i . ':';
 344                 }
 345
 346                 $no_of_points = isset($gis_data[$a][$type][$k][$i]['no_of_points'])
 347                     ? $gis_data[$a][$type][$k][$i]['no_of_points'] : 4;
 348                 if ($no_of_points < 4) {
 349                     $no_of_points = 4;
 350                 }
 351                 if (isset($gis_data[$a][$type][$k][$i]['add_point'])) {
 352                     $no_of_points++;
 353                 }
 354                 echo '<input type="hidden"'
 355                     . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i . '][no_of_points]"'
 356                     . ' value="' . $no_of_points . '" />';
 357
 358                 for ($j = 0; $j < $no_of_points; $j++) {
 359                     echo '<br/>';
 360                     printf(__('Point %d'), $j + 1);
 361                     echo ': ';
 362                     echo '<label for="x">' .  __("X") . '</label>';
 363                     echo '<input type="text"'
 364                         . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i . '][' . $j . '][x]"'
 365                         . ' value="' . escape($gis_data[$a][$type][$k][$i][$j]['x']). '" />';
 366                     echo '<label for="y">' . __("Y") . '</label>';
 367                     echo '<input type="text"'
 368                         . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i . '][' . $j . '][y]"'
 369                         . ' value="' . escape($gis_data[$a][$type][$k][$i][$j]['y']) . '" />';
 370                 }
 371                 echo '<input type="submit"'
 372                     . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i . '][add_point]"'
 373                     . ' class="add addPoint" value="' . __("Add a point") . '" />';
 374             }
 375             echo '<br/>';
 376             echo '<input type="submit"'
 377                 . ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][add_line]"'
 378                 . ' class="add addLine" value="' . __('Add an inner ring'). '" />';
 379             echo '<br/>';
 380         }
 381         echo '<br/>';
 382         echo '<input type="submit"'
 383             . ' name="gis_data[' . $a . '][' . $type . '][add_polygon]"'
 384             . ' class="add addPolygon" value="' .  __('Add a polygon') . '" />';
 385     }
 386 }
 387 if ($geom_type == 'GEOMETRYCOLLECTION') {
 388     echo '<br/><br/>';
 389     echo '<input type="submit" name="gis_data[GEOMETRYCOLLECTION][add_geom]"'
 390         . 'class="add addGeom" value="' . __("Add geometry") . '" />';
 391 }
 392 echo '</div>';
 393 echo '<!-- End of data section -->';
 394
 395 echo '<br/>';
 396 echo '<input type="submit" name="gis_data[save]" value="' . __('Go') . '" />';
 397
 398 echo '<div id="gis_data_output">';
 399 echo '<h3>' . __('Output') . '</h3>';
 400 echo '<p>';
 401 echo __(
 402     'Choose "GeomFromText" from the "Function" column and paste the'
 403     . ' string below into the "Value" field'
 404 );
 405 echo '</p>';
 406 echo '<textarea id="gis_data_textarea" cols="95" rows="5">';
 407 echo $result;
 408 echo '</textarea>';
 409 echo '</div>';
 410
 411 echo '</div>';
 412 echo '</form>';
 413
 414 PMA_Response::getInstance()->addJSON('gis_editor', ob_get_contents());
 415 ob_end_clean();
 416 ?>