stac gui for browser implementation

images/images.qrc

@@ -1009,6 +1009,7 @@
         <file>themes/default/mActionTextInsideRect.svg</file>
         <file>themes/default/mIconLabelingRules.svg</file>
         <file>themes/default/stacked-diagram.svg</file>
+        <file>themes/default/mIconStac.svg</file>
     </qresource>
     <qresource prefix="/images/tips">
         <file alias="symbol_levels.png">qgis_tips/symbol_levels.png</file>

python/PyQt6/gui/auto_additions/qgsmanageconnectionsdialog.py

@@ -15,3 +15,4 @@
 QgsManageConnectionsDialog.TiledScene = QgsManageConnectionsDialog.Type.TiledScene
 QgsManageConnectionsDialog.SensorThings = QgsManageConnectionsDialog.Type.SensorThings
 QgsManageConnectionsDialog.CloudStorage = QgsManageConnectionsDialog.Type.CloudStorage
+QgsManageConnectionsDialog.STAC = QgsManageConnectionsDialog.Type.STAC

python/PyQt6/gui/auto_generated/qgsmanageconnectionsdialog.sip.in

@@ -38,6 +38,7 @@ class QgsManageConnectionsDialog : QDialog
       TiledScene,
       SensorThings,
       CloudStorage,
+      STAC,
     };
 
     QgsManageConnectionsDialog( QWidget *parent /TransferThis/ = 0, Mode mode = Export, Type type = WMS, const QString &fileName = QString() );

python/gui/auto_generated/qgsmanageconnectionsdialog.sip.in

@@ -38,6 +38,7 @@ class QgsManageConnectionsDialog : QDialog
       TiledScene,
       SensorThings,
       CloudStorage,
+      STAC,
     };
 
     QgsManageConnectionsDialog( QWidget *parent /TransferThis/ = 0, Mode mode = Export, Type type = WMS, const QString &fileName = QString() );

src/app/qgisapp.cpp

@@ -233,6 +233,8 @@
 #include "qgscustomlayerorderwidget.h"
 #include "qgsdataitemproviderregistry.h"
 #include "qgsdataitemguiproviderregistry.h"
+#include "qgsstacdataitems.h"
+#include "qgsstacdataitemguiprovider.h"
 #include "qgsdatasourceuri.h"
 #include "qgsdatumtransformdialog.h"
 #include "qgsdoublespinbox.h"
@@ -1442,6 +1444,7 @@ QgisApp::QgisApp( QSplashScreen *splash, bool restorePlugins, bool skipBadLayers
   QgsGui::dataItemGuiProviderRegistry()->addProvider( new QgsFieldDomainItemGuiProvider() );
   QgsGui::dataItemGuiProviderRegistry()->addProvider( new QgsRelationshipItemGuiProvider() );
   QgsGui::dataItemGuiProviderRegistry()->addProvider( new QgsDatabaseItemGuiProvider() );
+  QgsGui::dataItemGuiProviderRegistry()->addProvider( new QgsStacDataItemGuiProvider() );
 
   QShortcut *showBrowserDock = new QShortcut( QKeySequence( tr( "Ctrl+2" ) ), this );
   connect( showBrowserDock, &QShortcut::activated, mBrowserWidget, &QgsDockWidget::toggleUserVisible );
@@ -1647,6 +1650,7 @@ QgisApp::QgisApp( QSplashScreen *splash, bool restorePlugins, bool skipBadLayers
 #endif
 
   QgsApplication::dataItemProviderRegistry()->addProvider( new QgsProjectDataItemProvider() );
+  QgsApplication::dataItemProviderRegistry()->addProvider( new QgsStacDataItemProvider() );
 
   // now when all data item providers are registered, customize both browsers
   QgsCustomization::instance()->updateBrowserWidget( mBrowserWidget );

src/gui/CMakeLists.txt

@@ -505,6 +505,11 @@ set(QGIS_GUI_SRCS
   settings/qgssettingstreemodel.cpp
   settings/qgssettingstreewidget.cpp
 
+  stac/qgsstacconnectiondialog.cpp
+  stac/qgsstacdataitemguiprovider.cpp
+  stac/qgsstacdownloadassetsdialog.cpp
+  stac/qgsstacobjectdetailsdialog.cpp
+
   tableeditor/qgstableeditordialog.cpp
   tableeditor/qgstableeditorformattingwidget.cpp
   tableeditor/qgstableeditorwidget.cpp
@@ -1560,6 +1565,11 @@ set(QGIS_GUI_HDRS
   settings/qgssettingstreemodel.h
   settings/qgssettingstreewidget.h
 
+  stac/qgsstacconnectiondialog.h
+  stac/qgsstacdataitemguiprovider.h
+  stac/qgsstacdownloadassetsdialog.h
+  stac/qgsstacobjectdetailsdialog.h
+
   tableeditor/qgstableeditordialog.h
   tableeditor/qgstableeditorformattingwidget.h
   tableeditor/qgstableeditorwidget.h
@@ -1720,6 +1730,7 @@ target_include_directories(qgis_gui PUBLIC
   ${CMAKE_SOURCE_DIR}/src/gui/raster
   ${CMAKE_SOURCE_DIR}/src/gui/sensor
   ${CMAKE_SOURCE_DIR}/src/gui/settings
+  ${CMAKE_SOURCE_DIR}/src/gui/stac
   ${CMAKE_SOURCE_DIR}/src/gui/tableeditor
   ${CMAKE_SOURCE_DIR}/src/gui/tiledscene
   ${CMAKE_SOURCE_DIR}/src/gui/vector

src/gui/qgsmanageconnectionsdialog.cpp

@@ -30,6 +30,7 @@
 #include "qgstiledsceneconnection.h"
 #include "qgssensorthingsconnection.h"
 #include "qgsgdalcloudconnection.h"
+#include "qgsstacconnection.h"
 
 QgsManageConnectionsDialog::QgsManageConnectionsDialog( QWidget *parent, Mode mode, Type type, const QString &fileName )
   : QDialog( parent )
@@ -159,6 +160,9 @@ void QgsManageConnectionsDialog::doExportImport()
       case CloudStorage:
         doc = saveCloudStorageConnections( items );
         break;
+      case STAC:
+        doc = saveStacConnections( items );
+        break;
     }
 
     QFile file( mFileName );
@@ -245,6 +249,9 @@ void QgsManageConnectionsDialog::doExportImport()
       case CloudStorage:
         loadCloudStorageConnections( doc, items );
         break;
+      case STAC:
+        loadStacConnections( doc, items );
+        break;
     }
     // clear connections list and close window
     listConnections->clear();
@@ -307,6 +314,9 @@ bool QgsManageConnectionsDialog::populateConnections()
       case CloudStorage:
         connections = QgsGdalCloudProviderConnection::sTreeConnectionCloud->items();
         break;
+      case STAC:
+        connections = QgsStacConnection::sTreeConnectionStac->items();
+        break;
     }
     for ( const QString &connection : std::as_const( connections ) )
     {
@@ -462,6 +472,14 @@ bool QgsManageConnectionsDialog::populateConnections()
           return false;
         }
         break;
+      case STAC:
+        if ( root.tagName() != QLatin1String( "qgsStacConnections" ) )
+        {
+          QMessageBox::information( this, tr( "Loading Connections" ),
+                                    tr( "The file is not a STAC connections exchange file." ) );
+          return false;
+        }
+        break;
     }
 
     QDomElement child = root.firstChildElement();
@@ -891,6 +909,32 @@ QDomDocument QgsManageConnectionsDialog::saveCloudStorageConnections( const QStr
   return doc;
 }
 
+QDomDocument QgsManageConnectionsDialog::saveStacConnections( const QStringList &connections )
+{
+  QDomDocument doc( QStringLiteral( "connections" ) );
+  QDomElement root = doc.createElement( QStringLiteral( "qgsStacConnections" ) );
+  root.setAttribute( QStringLiteral( "version" ), QStringLiteral( "1.0" ) );
+  doc.appendChild( root );
+
+  for ( int i = 0; i < connections.count(); ++i )
+  {
+    QDomElement el = doc.createElement( QStringLiteral( "stac" ) );
+
+    el.setAttribute( QStringLiteral( "name" ), connections[ i ] );
+    el.setAttribute( QStringLiteral( "url" ), QgsStacConnection::settingsUrl->value( connections[ i ] ) );
+    el.setAttribute( QStringLiteral( "authcfg" ), QgsStacConnection::settingsAuthcfg->value( connections[ i ] ) );
+    el.setAttribute( QStringLiteral( "username" ), QgsStacConnection::settingsUsername->value( connections[ i ] ) );
+    el.setAttribute( QStringLiteral( "password" ), QgsStacConnection::settingsPassword->value( connections[ i ] ) );
+
+    QgsHttpHeaders httpHeader( QgsStacConnection::settingsHeaders->value( connections[ i ] ) );
+    httpHeader.updateDomElement( el );
+
+    root.appendChild( el );
+  }
+
+  return doc;
+}
+
 void QgsManageConnectionsDialog::loadOWSConnections( const QDomDocument &doc, const QStringList &items, const QString &service )
 {
   const QDomElement root = doc.documentElement();
@@ -1974,6 +2018,89 @@ void QgsManageConnectionsDialog::loadCloudStorageConnections( const QDomDocument
   }
 }
 
+void QgsManageConnectionsDialog::loadStacConnections( const QDomDocument &doc, const QStringList &items )
+{
+  const QDomElement root = doc.documentElement();
+  if ( root.tagName() != QLatin1String( "qgsStacConnections" ) )
+  {
+    QMessageBox::information( this, tr( "Loading Connections" ),
+                              tr( "The file is not a STAC connections exchange file." ) );
+    return;
+  }
+
+  QString connectionName;
+  QgsSettings settings;
+  settings.beginGroup( QStringLiteral( "/qgis/connections-stac" ) );
+  QStringList keys = settings.childGroups();
+  settings.endGroup();
+  QDomElement child = root.firstChildElement();
+  bool prompt = true;
+  bool overwrite = true;
+
+  while ( !child.isNull() )
+  {
+    connectionName = child.attribute( QStringLiteral( "name" ) );
+    if ( !items.contains( connectionName ) )
+    {
+      child = child.nextSiblingElement();
+      continue;
+    }
+
+    // check for duplicates
+    if ( keys.contains( connectionName ) && prompt )
+    {
+      const int res = QMessageBox::warning( this,
+                                            tr( "Loading Connections" ),
+                                            tr( "Connection with name '%1' already exists. Overwrite?" )
+                                            .arg( connectionName ),
+                                            QMessageBox::Yes | QMessageBox::YesToAll | QMessageBox::No | QMessageBox::NoToAll | QMessageBox::Cancel );
+
+      switch ( res )
+      {
+        case QMessageBox::Cancel:
+          return;
+        case QMessageBox::No:
+          child = child.nextSiblingElement();
+          continue;
+        case QMessageBox::Yes:
+          overwrite = true;
+          break;
+        case QMessageBox::YesToAll:
+          prompt = false;
+          overwrite = true;
+          break;
+        case QMessageBox::NoToAll:
+          prompt = false;
+          overwrite = false;
+          break;
+      }
+    }
+
+    if ( keys.contains( connectionName ) )
+    {
+      if ( !overwrite )
+      {
+        child = child.nextSiblingElement();
+        continue;
+      }
+    }
+    else
+    {
+      keys << connectionName;
+    }
+
+    QgsStacConnection::settingsUrl->setValue( child.attribute( QStringLiteral( "url" ) ), connectionName );
+    QgsStacConnection::settingsAuthcfg->setValue( child.attribute( QStringLiteral( "authcfg" ) ), connectionName );
+    QgsStacConnection::settingsUsername->setValue( child.attribute( QStringLiteral( "username" ) ), connectionName );
+    QgsStacConnection::settingsPassword->setValue( child.attribute( QStringLiteral( "password" ) ), connectionName );
+
+    QgsHttpHeaders httpHeader( child );
+    QgsStacConnection::settingsHeaders->setValue( httpHeader.headers(), connectionName );
+
+    child = child.nextSiblingElement();
+  }
+}
+
 void QgsManageConnectionsDialog::selectAll()
 {
   listConnections->selectAll();

src/gui/qgsmanageconnectionsdialog.h

@@ -55,6 +55,7 @@ class GUI_EXPORT QgsManageConnectionsDialog : public QDialog, private Ui::QgsMan
       TiledScene, //!< Tiled scene connection \since QGIS 3.34
       SensorThings, //!< SensorThings connections \since QGIS 3.36
       CloudStorage, //!< Cloud storage connections \since QGIS 3.40
+      STAC, //!< SpatioTemporal Asset Catalog connections \since QGIS 3.40
     };
 
     /**
@@ -83,6 +84,7 @@ class GUI_EXPORT QgsManageConnectionsDialog : public QDialog, private Ui::QgsMan
     QDomDocument saveTiledSceneConnections( const QStringList &connections );
     QDomDocument saveSensorThingsConnections( const QStringList &connections );
     QDomDocument saveCloudStorageConnections( const QStringList &connections );
+    QDomDocument saveStacConnections( const QStringList &connections );
 
     void loadOWSConnections( const QDomDocument &doc, const QStringList &items, const QString &service );
     void loadWfsConnections( const QDomDocument &doc, const QStringList &items );
@@ -96,6 +98,7 @@ class GUI_EXPORT QgsManageConnectionsDialog : public QDialog, private Ui::QgsMan
     void loadTiledSceneConnections( const QDomDocument &doc, const QStringList &items );
     void loadSensorThingsConnections( const QDomDocument &doc, const QStringList &items );
     void loadCloudStorageConnections( const QDomDocument &doc, const QStringList &items );
+    void loadStacConnections( const QDomDocument &doc, const QStringList &items );
 
     QString mFileName;
     Mode mDialogMode;