Bug #10974 QGIS WFS Server provides too much precision PR #1520 UI

Add a cell in the WFS vector layer table to specify the coordinate precision by layer

Author: rldhont

src/app/qgsprojectproperties.cpp

@@ -379,7 +379,7 @@ QgsProjectProperties::QgsProjectProperties( QgsMapCanvas* mapCanvas, QWidget *pa
   QSignalMapper *smDelete = new QSignalMapper( this );
   connect( smDelete, SIGNAL( mapped( int ) ), this, SLOT( cbxWFSDeleteStateChanged( int ) ) );
 
-  twWFSLayers->setColumnCount( 5 );
+  twWFSLayers->setColumnCount( 6 );
   twWFSLayers->horizontalHeader()->setVisible( true );
   twWFSLayers->setRowCount( mapLayers.size() );
 
@@ -405,14 +405,18 @@ QgsProjectProperties::QgsProjectProperties( QgsMapCanvas* mapCanvas, QWidget *pa
 
       smPublied->setMapping( cbp, j );
       connect( cbp, SIGNAL( stateChanged( int ) ), smPublied, SLOT( map() ) );
+      
+      QSpinBox* psb = new QSpinBox();
+      psb->setValue( QgsProject::instance()->readNumEntry( "WFSLayersPrecision", "/"+currentLayer->id(), 8 ) );
+      twWFSLayers->setCellWidget( j, 2, psb );
 
       QgsVectorLayer* vlayer = qobject_cast<QgsVectorLayer*>( currentLayer );
       QgsVectorDataProvider* provider = vlayer->dataProvider();
       if (( provider->capabilities() & QgsVectorDataProvider::ChangeAttributeValues ) && ( provider->capabilities() & QgsVectorDataProvider::ChangeGeometries ) )
       {
         QCheckBox* cbu = new QCheckBox();
         cbu->setChecked( wfstUpdateLayerIdList.contains( currentLayer->id() ) );
-        twWFSLayers->setCellWidget( j, 2, cbu );
+        twWFSLayers->setCellWidget( j, 3, cbu );
 
         smUpdate->setMapping( cbu, j );
         connect( cbu, SIGNAL( stateChanged( int ) ), smUpdate, SLOT( map() ) );
@@ -421,7 +425,7 @@ QgsProjectProperties::QgsProjectProperties( QgsMapCanvas* mapCanvas, QWidget *pa
       {
         QCheckBox* cbi = new QCheckBox();
         cbi->setChecked( wfstInsertLayerIdList.contains( currentLayer->id() ) );
-        twWFSLayers->setCellWidget( j, 3, cbi );
+        twWFSLayers->setCellWidget( j, 4, cbi );
 
         smInsert->setMapping( cbi, j );
         connect( cbi, SIGNAL( stateChanged( int ) ), smInsert, SLOT( map() ) );
@@ -430,7 +434,7 @@ QgsProjectProperties::QgsProjectProperties( QgsMapCanvas* mapCanvas, QWidget *pa
       {
         QCheckBox* cbd = new QCheckBox();
         cbd->setChecked( wfstDeleteLayerIdList.contains( currentLayer->id() ) );
-        twWFSLayers->setCellWidget( j, 4, cbd );
+        twWFSLayers->setCellWidget( j, 5, cbd );
 
         smDelete->setMapping( cbd, j );
         connect( cbd, SIGNAL( stateChanged( int ) ), smDelete, SLOT( map() ) );
@@ -866,21 +870,25 @@ void QgsProjectProperties::apply()
     if ( cb && cb->isChecked() )
     {
       wfsLayerList << id;
-    }
-    cb = qobject_cast<QCheckBox *>( twWFSLayers->cellWidget( i, 2 ) );
-    if ( cb && cb->isChecked() )
-    {
-      wfstUpdateLayerList << id;
-    }
-    cb = qobject_cast<QCheckBox *>( twWFSLayers->cellWidget( i, 3 ) );
-    if ( cb && cb->isChecked() )
-    {
-      wfstInsertLayerList << id;
-    }
-    cb = qobject_cast<QCheckBox *>( twWFSLayers->cellWidget( i, 4 ) );
-    if ( cb && cb->isChecked() )
-    {
-      wfstDeleteLayerList << id;
+      
+      QSpinBox* sb = qobject_cast<QSpinBox *>( twWFSLayers->cellWidget( i, 2 ) );
+      QgsProject::instance()->writeEntry( "WFSLayersPrecision", "/"+id, sb->value() );
+      
+      cb = qobject_cast<QCheckBox *>( twWFSLayers->cellWidget( i, 3 ) );
+	  if ( cb && cb->isChecked() )
+	  {
+	    wfstUpdateLayerList << id;
+	  }
+	  cb = qobject_cast<QCheckBox *>( twWFSLayers->cellWidget( i, 4 ) );
+	  if ( cb && cb->isChecked() )
+	  {
+	    wfstInsertLayerList << id;
+	  }
+	  cb = qobject_cast<QCheckBox *>( twWFSLayers->cellWidget( i, 5 ) );
+	  if ( cb && cb->isChecked() )
+	  {
+	    wfstDeleteLayerList << id;
+	  }
     }
   }
   QgsProject::instance()->writeEntry( "WFSLayers", "/", wfsLayerList );

src/mapserver/qgswfsprojectparser.cpp

@@ -457,6 +457,31 @@ QStringList QgsWFSProjectParser::wfsLayers() const
   return mProjectParser.wfsLayers();
 }
 
+int QgsWFSProjectParser::wfsLayerPrecision( const QString& aLayerId ) const
+{
+  QStringList wfsLayersId = mProjectParser.wfsLayers();
+  if ( !wfsLayersId.contains( aLayerId ) )
+  {
+	  return -1;
+  }
+  int prec = 8;
+  QDomElement propertiesElem = mProjectParser.propertiesElem();
+  if ( !propertiesElem.isNull() )
+  {
+    QDomElement wfsPrecElem = propertiesElem.firstChildElement( "WFSLayersPrecision" );
+    if ( !wfsPrecElem.isNull() )
+    {
+	  QDomElement wfsLayerPrecElem = wfsPrecElem.firstChildElement( aLayerId );
+      if ( !wfsLayerPrecElem.isNull() )
+      {
+        QString precStr = wfsLayerPrecElem.text();
+        prec = precStr.toInt();
+	  }
+    }
+  }
+  return prec;
+}
+
 QList<QgsMapLayer*> QgsWFSProjectParser::mapLayerFromTypeName( const QString& aTypeName, bool useCache ) const
 {
   Q_UNUSED( useCache );

src/mapserver/qgswfsprojectparser.h

@@ -34,6 +34,7 @@ class QgsWFSProjectParser
     void describeFeatureType( const QString& aTypeName, QDomElement& parentElement, QDomDocument& doc ) const;
 
     QStringList wfsLayers() const;
+    int wfsLayerPrecision( const QString& aLayerId ) const;
 
     QList<QgsMapLayer*> mapLayerFromTypeName( const QString& aTypeName, bool useCache = true ) const;