use QgsVectorLayer*, not use LayerId

Author: stopa85milk

src/analysis/network/qgslinevectorlayerdirector.cpp

@@ -19,7 +19,6 @@
 
 // Qgis includes
 #include <qgsvectorlayer.h>
-#include <qgsmaplayerregistry.h>
 #include <qgsvectordataprovider.h>
 #include <qgspoint.h>
 #include <qgsgeometry.h>
@@ -84,15 +83,15 @@ template <typename RandIter, typename Type, typename CompareOp > RandIter my_bin
   return not_found;
 }
 
-QgsLineVectorLayerDirector::QgsLineVectorLayerDirector( const QString& layerId,
+QgsLineVectorLayerDirector::QgsLineVectorLayerDirector( QgsVectorLayer *myLayer,
     int directionFieldId,
     const QString& directDirectionValue,
     const QString& reverseDirectionValue,
     const QString& bothDirectionValue,
     int defaultDirection
     )
 {
-  mLayerId                = layerId;
+  mVectorLayer            = myLayer;
   mDirectionFieldId       = directionFieldId;
   mDirectDirectionValue   = directDirectionValue;
   mReverseDirectionValue  = reverseDirectionValue;
@@ -113,7 +112,7 @@ QString QgsLineVectorLayerDirector::name() const
 void QgsLineVectorLayerDirector::makeGraph( QgsGraphBuilderInterface *builder, const QVector< QgsPoint >& additionalPoints,
     QVector< QgsPoint >& tiedPoint ) const
 {
-  QgsVectorLayer *vl = myLayer();
+  QgsVectorLayer *vl = mVectorLayer;
 
   if ( vl == NULL )
     return;
@@ -346,14 +345,3 @@ void QgsLineVectorLayerDirector::makeGraph( QgsGraphBuilderInterface *builder, c
   } // while( vl->nextFeature(feature) )
 } // makeGraph( QgsGraphBuilderInterface *builder, const QVector< QgsPoint >& additionalPoints, QVector< QgsPoint >& tiedPoint )
 
-QgsVectorLayer* QgsLineVectorLayerDirector::myLayer() const
-{
-  QMap <QString, QgsMapLayer*> m = QgsMapLayerRegistry::instance()->mapLayers();
-  QMap <QString, QgsMapLayer*>::const_iterator it = m.find( mLayerId );
-  if ( it == m.end() )
-  {
-    return NULL;
-  }
-  // return NULL if it.value() isn't QgsVectorLayer()
-  return dynamic_cast<QgsVectorLayer*>( it.value() );
-}

src/analysis/network/qgslinevectorlayerdirector.h

@@ -43,14 +43,14 @@ class QgsLineVectorLayerDirector : public QgsGraphDirector
     };
   public:
     /**
-     * @param layerId
+     * @param vl  source vector layer
      * @param directionFieldId feield contain road direction value
      * @param directDirectionValue value for one-way road
      * @param reverseDirectionValue value for reverse one-way road
      * @param bothDirectionValue value for road
      * @param defaultDirection 1 - direct direction, 2 - reverse direction, 3 - both direction
      */
-    QgsLineVectorLayerDirector( const QString& layerId,
+    QgsLineVectorLayerDirector( QgsVectorLayer* vl,
                                int directionFieldId,
                                const QString& directDirectionValue,
                                const QString& reverseDirectionValue,
@@ -70,13 +70,10 @@ class QgsLineVectorLayerDirector : public QgsGraphDirector
 
     QString name() const;
 
-  private:
-
-    QgsVectorLayer* myLayer() const;
 
   private:
 
-    QString mLayerId;
+    QgsVectorLayer *mVectorLayer;
 
     int mDirectionFieldId;
 

src/plugins/roadgraph/roadgraphplugin.cpp

@@ -260,7 +260,6 @@ const QgsGraphDirector* RoadGraphPlugin::director() const
   {
     if ( it.value()->name() != mSettings->mLayer )
       continue;
-    layerId = it.key();
     layer = dynamic_cast< QgsVectorLayer* >( it.value() );
     break;
   }
@@ -274,7 +273,7 @@ const QgsGraphDirector* RoadGraphPlugin::director() const
     SpeedUnit speedUnit = SpeedUnit::byName( mSettings->mSpeedUnitName );
 
     QgsLineVectorLayerDirector * director =
-      new QgsLineVectorLayerDirector( layerId,
+      new QgsLineVectorLayerDirector( layer,
                                    provider->fieldNameIndex( mSettings->mDirection ),
                                    mSettings->mFirstPointToLastPointDirectionVal,
                                    mSettings->mLastPointToFirstPointDirectionVal,