Viewing file:  TableGisVisualizationController.class.php (6.59 KB) -rw-r--r--
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Holds the PMA\TableIndexesController
*
* @package PMA
*/
namespace PMAControllersTable;
use PMATemplate;
use PMA_GIS_Visualization;
use PMA_Message;
use PMAControllersTableController;
require_once 'libraries/common.inc.php';
require_once 'libraries/db_common.inc.php';
require_once 'libraries/controllers/TableController.class.php';
require_once 'libraries/gis/GIS_Visualization.class.php';
require_once 'libraries/gis/GIS_Factory.class.php';
require_once 'libraries/Message.class.php';
/**
* Class TableGisVisualizationController
*
* @package PMA\Controllers\Table
*/
class TableGisVisualizationController extends TableController
{
/**
* @var array $url_params
*/
protected $url_params;
/**
* @var string $sql_query
*/
protected $sql_query;
/**
* @var array $visualizationSettings
*/
protected $visualizationSettings;
/**
* @var PMA_GIS_Visualization $visualization
*/
protected $visualization;
/**
* Constructor
*
* @param string $sql_query SQL query for retrieving GIS data
* @param array $url_params array of URL parameters
* @param string $goto goto script
* @param string $back back script
* @param array $visualizationSettings visualization settings
*/
public function __construct(
$sql_query,
$url_params,
$goto,
$back,
$visualizationSettings
) {
parent::__construct();
$this->sql_query = $sql_query;
$this->url_params = $url_params;
$this->url_params['goto'] = $goto;
$this->url_params['back'] = $back;
$this->visualizationSettings = $visualizationSettings;
}
/**
* Save to file
*
* @return void
*/
public function saveToFileAction()
{
$this->response->disable();
$file_name = $this->visualizationSettings['spatialColumn'];
$save_format = $_REQUEST['fileFormat'];
$this->visualization->toFile($file_name, $save_format);
}
/**
* Index
*
* @return void
*/
public function indexAction()
{
// Throw error if no sql query is set
if (! isset($this->sql_query) || $this->sql_query == '') {
$this->response->isSuccess(false);
$this->response->addHTML(
PMA_Message::error(__('No SQL query was set to fetch data.'))
);
return;
}
// Execute the query and return the result
$result = $this->dbi->tryQuery($this->sql_query);
// Get the meta data of results
$meta = $this->dbi->getFieldsMeta($result);
// Find the candidate fields for label column and spatial column
$labelCandidates = array();
$spatialCandidates = array();
foreach ($meta as $column_meta) {
if ($column_meta->type == 'geometry') {
$spatialCandidates[] = $column_meta->name;
} else {
$labelCandidates[] = $column_meta->name;
}
}
// Get settings if any posted
if (PMA_isValid($_REQUEST['visualizationSettings'], 'array')) {
$this->visualizationSettings = $_REQUEST['visualizationSettings'];
}
if (!isset($this->visualizationSettings['labelColumn'])
&& isset($labelCandidates[0])
) {
$this->visualizationSettings['labelColumn'] = '';
}
// If spatial column is not set, use first geometric column as spatial column
if (! isset($this->visualizationSettings['spatialColumn'])) {
$this->visualizationSettings['spatialColumn'] = $spatialCandidates[0];
}
// Convert geometric columns from bytes to text.
$pos = isset($_REQUEST['pos']) ? $_REQUEST['pos']
: $_SESSION['tmpval']['pos'];
if (isset($_REQUEST['session_max_rows'])) {
$rows = $_REQUEST['session_max_rows'];
} else {
if ($_SESSION['tmpval']['max_rows'] != 'all') {
$rows = $_SESSION['tmpval']['max_rows'];
} else {
$rows = $GLOBALS['cfg']['MaxRows'];
}
}
$this->visualization = PMA_GIS_Visualization::get(
$this->sql_query,
$this->visualizationSettings,
$rows,
$pos
);
if (isset($_REQUEST['saveToFile'])) {
$this->saveToFileAction();
return;
}
$this->response->getHeader()->getScripts()->addFiles(
array(
'openlayers/OpenLayers.js',
'jquery/jquery.svg.js',
'tbl_gis_visualization.js',
'OpenStreetMap.js'
)
);
// If all the rows contain SRID, use OpenStreetMaps on the initial loading.
if (! isset($_REQUEST['displayVisualization'])) {
if ($this->visualization->hasSrid()) {
$this->visualizationSettings['choice'] = 'useBaseLayer';
} else {
unset($this->visualizationSettings['choice']);
}
}
$this->visualization->setUserSpecifiedSettings($this->visualizationSettings);
if ($this->visualizationSettings != null) {
foreach ($this->visualization->getSettings() as $setting => $val) {
if (! isset($this->visualizationSettings[$setting])) {
$this->visualizationSettings[$setting] = $val;
}
}
}
/**
* Displays the page
*/
$this->url_params['sql_query'] = $this->sql_query;
$downloadUrl = 'tbl_gis_visualization.php' . PMA_URL_getCommon(
$this->url_params
) . '&saveToFile=true';
$svgSupport = (PMA_USR_BROWSER_AGENT == 'IE' && PMA_USR_BROWSER_VER <= 8)
? false : true;
$html = Template::get('table/gis_visualization/gis_visualization')->render(
array(
'url_params' => $this->url_params,
'downloadUrl' => $downloadUrl,
'labelCandidates' => $labelCandidates,
'spatialCandidates' => $spatialCandidates,
'visualizationSettings' => $this->visualizationSettings,
'sql_query' => $this->sql_query,
'visualization' => $this->visualization->toImage(
$svgSupport ? 'svg' : 'png'
),
'svgSupport' => $svgSupport,
'drawOl' => $this->visualization->asOl()
)
);
$this->response->addHTML($html);
}
}
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