/**
* Index
*
* @return void
*/
public function indexAction()
{
// Throw error if no sql query is set
if (!isset($this->sql_query) || $this->sql_query == '') {
$this->response->setRequestStatus(false);
$this->response->addHTML(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'];
}
}
$this->visualization = GISVisualization::get($this->sql_query, $this->visualizationSettings, $rows, $pos);
if (isset($_REQUEST['saveToFile'])) {
$this->saveToFileAction();
return;
}
$this->response->getHeader()->getScripts()->addFiles(array('openlayers/OpenLayers.js', 'jquery/jquery.svg.js', 'tbl_gis_visualization.js'));
// If all the rows contain SRID, use OpenStreetMaps on the initial loading.
if (!isset($_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;
$downloadUrl = 'tbl_gis_visualization.php' . PMA_URL_getCommon(array_merge($this->url_params, array('saveToFile' => true, 'session_max_rows' => $rows, 'pos' => $pos)));
$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('svg'), 'drawOl' => $this->visualization->asOl()));
$this->response->addHTML($html);
}