protected function createNewLayer($map, $driver, $layerName, $geoType, $bSearchSpatialRef)
{
// if layer contains point objects
if ($geoType == wkbPoint) {
// before creating layer "entities" we create layer "blocks"
$layerBlocks = OGR_DS_CreateLayer($driver, 'blocks', NULL, wkbMultiLineString, NULL);
// in this layer we export representaion of all point objects (it's a square)
$wktLine = 'MULTILINESTRING((-0.5 -0.5, 0.5 -0.5, 0.5 0.5, -0.5 0.5, -0.5 -0.5))';
$geoOGR = ogr_g_createfromwkt($wktLine, NULL, NULL);
$dfnLayerBlocks = OGR_L_GetLayerDefn($layerBlocks);
$dataLine = OGR_F_Create($dfnLayerBlocks);
OGR_F_SetGeometry($dataLine, $geoOGR);
for ($i = 0; $i < OGR_FD_GetFieldCount($dfnLayerBlocks); $i++) {
$fieldDfn = OGR_FD_GetFieldDefn($dfnLayerBlocks, $i);
if (OGR_Fld_GetNameRef($fieldDfn) == 'BlockName') {
OGR_F_SetFieldString($dataLine, $i, 'SQUARE');
}
}
OGR_L_CreateFeature($layerBlocks, $dataLine);
OGR_F_Destroy($dataLine);
OGR_G_DestroyGeometry($geoOGR);
}
return parent::createNewLayer($map, $driver, 'entities', $geoType, false);
}
function __construct($driverName, $exportExt, $json, $map, $bExportAtt = false, $optDataSourceCreation = NULL, $bSearchSpatialRef = false)
{
$bOk = false;
$msVersion = null;
// MapServer version
$groups = null;
// Layers list that will be exported
parent::__construct($json);
OGRRegisterAll();
// looking for destination driver
for ($iDriver = 0; $iDriver < OGRGetDriverCount() && !$bOk; $iDriver++) {
if (!strcasecmp(OGR_DR_GetName(OGRGetDriver($iDriver)), $driverName)) {
$this->driverOGRDest = OGRGetDriver($iDriver);
$bOk = true;
break;
}
}
if ($bOk) {
// is it possible to create new data source with current driver
if (!OGR_Dr_TestCapability($this->driverOGRDest, ODrCCreateDataSource)) {
$this->driverOGRDest = null;
$bOk = false;
return;
}
}
if ($bOk) {
$msVersion = $_SESSION['MS_VERSION'];
$groups = (array) $this->jsonList[0];
// Create the destination directory
@mkdir($this->tempFilePath, 0700);
// for each layers that will be exported
foreach ($groups as $grp) {
$baseDest = null;
$layerList = array();
$attNameList = $grp->header;
$ObjList = $grp->values;
if (!$ObjList[0][0]->shplink) {
continue;
}
// if we need to export attributs
if ($bExportAtt) {
include_once '../common/pluginsMapUtils.inc.php';
for ($iAtt = 0; $iAtt < count($attNameList); $iAtt++) {
if ($attNameList[$iAtt] == '@') {
array_splice($attNameList, $iAtt, 1);
$iAtt--;
continue;
}
// remove accents and spaces:
$newAttName = PluginsMapUtils::decodeMapFileVal($map, $attNameList[$iAtt], 'UTF-8');
$newAttName = str_replace($this->bad, $this->good, $attNameList[$iAtt]);
if (is_numeric($newAttName[0])) {
$newAttName = 'z' . $newAttName;
}
$attNameList[$iAtt] = $newAttName;
}
}
// for each objects that we want to export
foreach ($ObjList as $Obj) {
$layerSrc = null;
// Source layer
$layerDest = null;
// Destination layer
$baseDest = null;
// Destination DataBase
$geoType = 0;
$shpLink = $Obj[0]->shplink;
$layerName = $shpLink[0];
$IdObj = $shpLink[1];
// if it's the first time we found current layer
if (!isset($layerList[$layerName])) {
// getting mapserver layer
$layerSrc = $map->getLayerByName($layerName);
// use layers with complex queries that are too long to select results
$newdata = $layerSrc->getMetaData('PM_RESULT_DATASUBSTITION');
if ($newdata != '') {
$layerSrc->set('data', $newdata);
}
// create destination data base
$output = $this->tempFilePath . "\\{$layerName}.{$exportExt}";
$output = str_replace('/', '\\', $output);
$baseDest = OGR_Dr_CreateDataSource($this->driverOGRDest, $output, $optDataSourceCreation);
if (!$baseDest) {
continue;
}
// is it possible to create new layers in current data source ?
if (!OGR_DS_TestCapability($baseDest, ODsCCreateLayer)) {
if ($baseDest) {
OGR_DS_Destroy($baseDest);
}
continue;
}
// create new layer in the destination data base
$geoType = $this->typeList[$layerSrc->type];
$layerDest = $this->createNewLayer($map, $baseDest, $layerName, $geoType, $bSearchSpatialRef);
// add new attribut in destination layer
if ($bExportAtt) {
$idAtt = 0;
foreach ($attNameList as $attName) {
$att = OGR_Fld_Create($attName, OFTString);
OGR_L_CreateField($layerDest, $att, $idAtt);
$idAtt++;
}
}
// saving all in layerList
$layerList[$layerName] = array();
$layerList[$layerName][] = $layerSrc;
$layerList[$layerName][] = $baseDest;
$layerList[$layerName][] = $layerDest;
$layerList[$layerName][] = $geoType;
// add file to files list will be exorted
$this->addFileToFileList($output);
} else {
$layerSrc = $layerList[$layerName][0];
$baseDest = $layerList[$layerName][1];
$layerDest = $layerList[$layerName][2];
$geoType = $layerList[$layerName][3];
}
// gettint shape object
$srcShp = PMCommon::resultGetShape($msVersion, $layerSrc, null, $IdObj, -1);
// export geometry of the object in WKT
$geoWKT = $srcShp->toWkt();
// create new geometry OGR object from WKT geometry
$geoOGR = $this->createNewOGRGeometry($geoWKT);
// create new data line on destination layer
$layerDestDefn = OGR_L_GetLayerDefn($layerDest);
$Data = OGR_F_Create($layerDestDefn);
// add geometry in data line
OGR_F_SetGeometry($Data, $geoOGR);
// if we need to export attributs
if ($bExportAtt) {
// add attributs values in data line
for ($iAtt = 1; $iAtt < count($Obj); $iAtt++) {
$newAttVal = PluginsMapUtils::decodeLayerVal($map, $layerName, $Obj[$iAtt], 'UTF-8');
OGR_F_SetFieldString($Data, $iAtt - 1 + $this->nbFieldBase, $newAttVal);
}
}
$this->insertSpecialFields($geoType, $layerDestDefn, $Data);
// add data line in destination layer
OGR_L_CreateFeature($layerDest, $Data);
OGR_F_Destroy($Data);
OGR_G_DestroyGeometry($geoOGR);
}
foreach ($layerList as $l) {
if (isset($l[1]) && $l[1]) {
OGR_DS_Destroy($l[1]);
}
}
}
// files compression
$this->zipFiles();
// remove directory
rmdir($this->tempFilePath);
}
}
