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 declare(strict_types=1);
   9
  10 use PhpMyAdmin\Core;
  11 use PhpMyAdmin\Gis\GisFactory;
  12 use PhpMyAdmin\Gis\GisVisualization;
  13 use PhpMyAdmin\Response;
  14 use PhpMyAdmin\Template;
  15 use PhpMyAdmin\Util;
  16
  17 if (! defined('ROOT_PATH')) {
  18     define('ROOT_PATH', __DIR__ . DIRECTORY_SEPARATOR);
  19 }
  20
  21 require_once ROOT_PATH . 'libraries/common.inc.php';
  22
  23 $template = new Template();
  24
  25 if (! isset($_POST['field'])) {
  26     Util::checkParameters(['field']);
  27 }
  28
  29 // Get data if any posted
  30 $gis_data = [];
  31 if (Core::isValid($_POST['gis_data'], 'array')) {
  32     $gis_data = $_POST['gis_data'];
  33 }
  34
  35 $gis_types = [
  36     'POINT',
  37     'MULTIPOINT',
  38     'LINESTRING',
  39     'MULTILINESTRING',
  40     'POLYGON',
  41     'MULTIPOLYGON',
  42     'GEOMETRYCOLLECTION',
  43 ];
  44
  45 // Extract type from the initial call and make sure that it's a valid one.
  46 // Extract from field's values if available, if not use the column type passed.
  47 if (! isset($gis_data['gis_type'])) {
  48     if (isset($_POST['type']) && $_POST['type'] != '') {
  49         $gis_data['gis_type'] = mb_strtoupper($_POST['type']);
  50     }
  51     if (isset($_POST['value']) && trim($_POST['value']) != '') {
  52         $start = (substr($_POST['value'], 0, 1) == "'") ? 1 : 0;
  53         $gis_data['gis_type'] = mb_substr(
  54             $_POST['value'],
  55             $start,
  56             mb_strpos($_POST['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 $gis_obj = GisFactory::factory($geom_type);
  69 if (isset($_POST['value'])) {
  70     $gis_data = array_merge(
  71         $gis_data,
  72         $gis_obj->generateParams($_POST['value'])
  73     );
  74 }
  75
  76 // Generate Well Known Text
  77 $srid = (isset($gis_data['srid']) && $gis_data['srid'] != '') ? $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 SVG based visualization
  83 $visualizationSettings = [
  84     'width' => 450,
  85     'height' => 300,
  86     'spatialColumn' => 'wkt',
  87 ];
  88 $data = [
  89     [
  90         'wkt' => $wkt_with_zero,
  91         'srid' => $srid,
  92     ],
  93 ];
  94 $visualization = GisVisualization::getByData($data, $visualizationSettings)
  95     ->toImage('svg');
  96
  97 $open_layers = GisVisualization::getByData($data, $visualizationSettings)
  98     ->asOl();
  99
 100 // If the call is to update the WKT and visualization make an AJAX response
 101 if (isset($_POST['generate']) && $_POST['generate'] == true) {
 102     $extra_data = [
 103         'result'        => $result,
 104         'visualization' => $visualization,
 105         'openLayers'    => $open_layers,
 106     ];
 107     $response = Response::getInstance();
 108     $response->addJSON($extra_data);
 109     exit;
 110 }
 111
 112 $geom_count = 1;
 113 if ($geom_type == 'GEOMETRYCOLLECTION') {
 114     $geom_count = isset($gis_data[$geom_type]['geom_count'])
 115         ? intval($gis_data[$geom_type]['geom_count']) : 1;
 116     if (isset($gis_data[$geom_type]['add_geom'])) {
 117         $geom_count++;
 118     }
 119 }
 120
 121 $templateOutput = $template->render('gis_data_editor_form', [
 122     'width' => $visualizationSettings['width'],
 123     'height' => $visualizationSettings['height'],
 124     'pma_theme_image' => $GLOBALS['pmaThemeImage'],
 125     'field' => $_POST['field'],
 126     'input_name' => $_POST['input_name'],
 127     'srid' => $srid,
 128     'visualization' => $visualization,
 129     'open_layers' => $open_layers,
 130     'gis_types' => $gis_types,
 131     'geom_type' => $geom_type,
 132     'geom_count' => $geom_count,
 133     'gis_data' => $gis_data,
 134     'result' => $result,
 135 ]);
 136 Response::getInstance()->addJSON('gis_editor', $templateOutput);