Merge pull request #6592 from slarosa/save_load_xyz

[FEATURE][needs-docs] Save/Load connections for XYZ Tiles

python/gui/qgsmanageconnectionsdialog.sip.in

@@ -31,7 +31,8 @@ class QgsManageConnectionsDialog : QDialog
       DB2,
       WCS,
       Oracle,
-      GeoNode
+      GeoNode,
+      XyzTiles
     };
 
     QgsManageConnectionsDialog( QWidget *parent /TransferThis/ = 0, Mode mode = Export, Type type = WMS, const QString &fileName = QString() );

src/gui/qgsmanageconnectionsdialog.cpp

@@ -133,6 +133,9 @@ void QgsManageConnectionsDialog::doExportImport()
       case GeoNode:
         doc = saveGeonodeConnections( items );
         break;
+      case XyzTiles:
+        doc = saveXyzTilesConnections( items );
+        break;
     }
 
     QFile file( mFileName );
@@ -201,6 +204,9 @@ void QgsManageConnectionsDialog::doExportImport()
       case GeoNode:
         loadGeonodeConnections( doc, items );
         break;
+      case XyzTiles:
+        loadXyzTilesConnections( doc, items );
+        break;
     }
     // clear connections list and close window
     listConnections->clear();
@@ -242,6 +248,9 @@ bool QgsManageConnectionsDialog::populateConnections()
       case GeoNode:
         settings.beginGroup( QStringLiteral( "/qgis/connections-geonode" ) );
         break;
+      case XyzTiles:
+        settings.beginGroup( QStringLiteral( "/qgis/connections-xyz" ) );
+        break;
     }
     QStringList keys = settings.childGroups();
     QStringList::Iterator it = keys.begin();
@@ -353,6 +362,14 @@ bool QgsManageConnectionsDialog::populateConnections()
           return false;
         }
         break;
+      case XyzTiles:
+        if ( root.tagName() != QLatin1String( "qgsXYZTilesConnections" ) )
+        {
+          QMessageBox::information( this, tr( "Loading Connections" ),
+                                    tr( "The file is not a XYZ Tiles connections exchange file." ) );
+          return false;
+        }
+        break;
     }
 
     QDomElement child = root.firstChildElement();
@@ -622,6 +639,35 @@ QDomDocument QgsManageConnectionsDialog::saveGeonodeConnections( const QStringLi
   return doc;
 }
 
+QDomDocument QgsManageConnectionsDialog::saveXyzTilesConnections( const QStringList &connections )
+{
+  QDomDocument doc( QStringLiteral( "connections" ) );
+  QDomElement root = doc.createElement( QStringLiteral( "qgsXYZTilesConnections" ) );
+  root.setAttribute( QStringLiteral( "version" ), QStringLiteral( "1.0" ) );
+  doc.appendChild( root );
+
+  QgsSettings settings;
+  QString path;
+  for ( int i = 0; i < connections.count(); ++i )
+  {
+    path = "qgis/connections-xyz/" + connections[ i ];
+    QDomElement el = doc.createElement( QStringLiteral( "xyztiles" ) );
+
+    el.setAttribute( QStringLiteral( "name" ), connections[ i ] );
+    el.setAttribute( QStringLiteral( "url" ), settings.value( path + "/url", "" ).toString() );
+    el.setAttribute( QStringLiteral( "zmin" ), settings.value( path + "/zmin", -1 ).toInt() );
+    el.setAttribute( QStringLiteral( "zmax" ), settings.value( path + "/zmax", -1 ).toInt() );
+    el.setAttribute( QStringLiteral( "authcfg" ), settings.value( path + "/authcfg", "" ).toString() );
+    el.setAttribute( QStringLiteral( "username" ), settings.value( path + "/username", "" ).toString() );
+    el.setAttribute( QStringLiteral( "password" ), settings.value( path + "/password", "" ).toString() );
+    el.setAttribute( QStringLiteral( "referer" ), settings.value( path + "/referer", "" ).toString() );
+
+    root.appendChild( el );
+  }
+
+  return doc;
+}
+
 void QgsManageConnectionsDialog::loadOWSConnections( const QDomDocument &doc, const QStringList &items, const QString &service )
 {
   QDomElement root = doc.documentElement();
@@ -1226,6 +1272,85 @@ void QgsManageConnectionsDialog::loadGeonodeConnections( const QDomDocument &doc
   }
 }
 
+void QgsManageConnectionsDialog::loadXyzTilesConnections( const QDomDocument &doc, const QStringList &items )
+{
+  QDomElement root = doc.documentElement();
+  if ( root.tagName() != QLatin1String( "qgsXYZTilesConnections" ) )
+  {
+    QMessageBox::information( this, tr( "Loading Connections" ),
+                              tr( "The file is not a XYZ Tiles connections exchange file." ) );
+    return;
+  }
+
+  QString connectionName;
+  QgsSettings settings;
+  settings.beginGroup( QStringLiteral( "/qgis/connections-xyz" ) );
+  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 )
+    {
+      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 ) && !overwrite )
+    {
+      child = child.nextSiblingElement();
+      continue;
+    }
+
+    settings.beginGroup( "qgis/connections-xyz/" + connectionName );
+    settings.setValue( QStringLiteral( "url" ), child.attribute( QStringLiteral( "url" ) ) );
+    settings.setValue( QStringLiteral( "zmin" ), child.attribute( QStringLiteral( "zmin" ) ) );
+    settings.setValue( QStringLiteral( "zmax" ), child.attribute( QStringLiteral( "zmax" ) ) );
+    settings.setValue( QStringLiteral( "authcfg" ), child.attribute( QStringLiteral( "authcfg" ) ) );
+    settings.setValue( QStringLiteral( "username" ), child.attribute( QStringLiteral( "username" ) ) );
+    settings.setValue( QStringLiteral( "password" ), child.attribute( QStringLiteral( "password" ) ) );
+    settings.setValue( QStringLiteral( "referer" ), child.attribute( QStringLiteral( "referer" ) ) );
+    settings.endGroup();
+
+    child = child.nextSiblingElement();
+  }
+}
+
+
 void QgsManageConnectionsDialog::selectAll()
 {
   listConnections->selectAll();

src/gui/qgsmanageconnectionsdialog.h

@@ -48,7 +48,8 @@ class GUI_EXPORT QgsManageConnectionsDialog : public QDialog, private Ui::QgsMan
       DB2,
       WCS,
       Oracle,
-      GeoNode
+      GeoNode,
+      XyzTiles
     };
 
     /**
@@ -72,6 +73,7 @@ class GUI_EXPORT QgsManageConnectionsDialog : public QDialog, private Ui::QgsMan
     QDomDocument saveOracleConnections( const QStringList &connections );
     QDomDocument saveDb2Connections( const QStringList &connections );
     QDomDocument saveGeonodeConnections( const QStringList &connections );
+    QDomDocument saveXyzTilesConnections( const QStringList &connections );
 
     void loadOWSConnections( const QDomDocument &doc, const QStringList &items, const QString &service );
     void loadWfsConnections( const QDomDocument &doc, const QStringList &items );
@@ -80,6 +82,7 @@ class GUI_EXPORT QgsManageConnectionsDialog : public QDialog, private Ui::QgsMan
     void loadOracleConnections( const QDomDocument &doc, const QStringList &items );
     void loadDb2Connections( const QDomDocument &doc, const QStringList &items );
     void loadGeonodeConnections( const QDomDocument &doc, const QStringList &items );
+    void loadXyzTilesConnections( const QDomDocument &doc, const QStringList &items );
 
     QString mFileName;
     Mode mDialogMode;

src/providers/wms/qgswmsdataitems.cpp

@@ -27,12 +27,14 @@
 #include "qgsnewhttpconnection.h"
 #include "qgstilescalewidget.h"
 #include "qgsxyzconnectiondialog.h"
+#include "qgsmanageconnectionsdialog.h"
 #endif
 #include "qgsgeonodeconnection.h"
 #include "qgsgeonoderequest.h"
 #include "qgssettings.h"
 
 #include <QInputDialog>
+#include <QFileDialog>
 
 // ---------------------------------------------------------------------------
 QgsWMSConnectionItem::QgsWMSConnectionItem( QgsDataItem *parent, QString name, QString path, QString uri )
@@ -474,9 +476,20 @@ QVector<QgsDataItem *> QgsXyzTileRootItem::createChildren()
 #ifdef HAVE_GUI
 QList<QAction *> QgsXyzTileRootItem::actions( QWidget *parent )
 {
+  QList<QAction *> lst;
+
   QAction *actionNew = new QAction( tr( "New Connection…" ), parent );
   connect( actionNew, &QAction::triggered, this, &QgsXyzTileRootItem::newConnection );
-  return QList<QAction *>() << actionNew;
+  QAction *saveXyzTilesServers = new QAction( tr( "Save Connections…" ), parent );
+  connect( saveXyzTilesServers, &QAction::triggered, this, &QgsXyzTileRootItem::saveXyzTilesServers );
+  QAction *loadXyzTilesServers = new QAction( tr( "Load Connections…" ), parent );
+  connect( loadXyzTilesServers, &QAction::triggered, this, &QgsXyzTileRootItem::loadXyzTilesServers );
+
+  lst.append( actionNew );
+  lst.append( saveXyzTilesServers );
+  lst.append( loadXyzTilesServers );
+
+  return lst;
 }
 
 void QgsXyzTileRootItem::newConnection()
@@ -488,6 +501,26 @@ void QgsXyzTileRootItem::newConnection()
   QgsXyzConnectionUtils::addConnection( dlg.connection() );
   refreshConnections();
 }
+
+void QgsXyzTileRootItem::saveXyzTilesServers()
+{
+  QgsManageConnectionsDialog dlg( nullptr, QgsManageConnectionsDialog::Export, QgsManageConnectionsDialog::XyzTiles );
+  dlg.exec();
+}
+
+void QgsXyzTileRootItem::loadXyzTilesServers()
+{
+  QString fileName = QFileDialog::getOpenFileName( nullptr, tr( "Load Connections" ), QDir::homePath(),
+                     tr( "XML files (*.xml *XML)" ) );
+  if ( fileName.isEmpty() )
+  {
+    return;
+  }
+
+  QgsManageConnectionsDialog dlg( nullptr, QgsManageConnectionsDialog::Import, QgsManageConnectionsDialog::XyzTiles, fileName );
+  dlg.exec();
+  refreshConnections();
+}
 #endif
 
 

src/providers/wms/qgswmsdataitems.h

@@ -146,6 +146,8 @@ class QgsXyzTileRootItem : public QgsDataCollectionItem
   private slots:
 #ifdef HAVE_GUI
     void newConnection();
+    void saveXyzTilesServers();
+    void loadXyzTilesServers();
 #endif
 };