Add progress bar.

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@15330 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: stopa85

src/plugins/roadgraph/CMakeLists.txt

@@ -19,6 +19,7 @@ SET (VRP_SRCS
 #SET ([pluginlcasename]_UIS [pluginlcasename]guibase.ui)
 
 SET (VRP_MOC_HDRS
+  graphdirector.h
   roadgraphplugin.h
   settingsdlg.h
   shortestpathwidget.h

src/plugins/roadgraph/graphbuilder.h

@@ -56,7 +56,7 @@ class RgGraphBuilder
     /**
      * add arc
      */
-    virtual void addArc( const QgsPoint& pt1, const QgsPoint& pt2, double cost, double speed ) = 0;
+    virtual void addArc( const QgsPoint& pt1, const QgsPoint& pt2, double cost, double speed, int featureId ) = 0;
 
   private:
     QgsCoordinateReferenceSystem mCrs;

src/plugins/roadgraph/graphdirector.h

@@ -16,6 +16,7 @@
 #define ROADGRAPH_GRAPHDIRECTOR
 
 //QT4 includes
+#include <QObject>
 
 //QGIS includes
 #include <qgsrectangle.h>
@@ -27,8 +28,14 @@ class RgGraphBuilder;
  * \class RgGraphDirector
  * \brief Determine making the graph
  */
-class RgGraphDirector
+class RgGraphDirector : public QObject
 {
+    Q_OBJECT
+
+  signals:
+    void buildProgress( int, int ) const;
+    void buildMessage( QString ) const;
+
   public:
     //! Destructor
     virtual ~RgGraphDirector() { };

src/plugins/roadgraph/linevectorlayerdirector.cpp

@@ -69,6 +69,9 @@ void RgLineVectorLayerDirector::makeGraph( RgGraphBuilder *builder, const QVecto
   if ( vl == NULL )
     return;
 
+  int featureCount = ( int ) vl->featureCount() * 2;
+  int step = 0;
+
   QgsCoordinateTransform ct( vl->crs(), builder->destinationCrs() );
 
   QgsDistanceArea da;
@@ -117,6 +120,7 @@ void RgLineVectorLayerDirector::makeGraph( RgGraphBuilder *builder, const QVecto
       pt1 = pt2;
       isFirstPoint = false;
     }
+    emit buildProgress( ++step, featureCount );
   }
   // end: tie points to graph
 
@@ -212,12 +216,12 @@ void RgLineVectorLayerDirector::makeGraph( RgGraphBuilder *builder, const QVecto
             if ( directionType == 1 ||
                  directionType == 3 )
             {
-              builder->addArc( pt1, pt2, cost, speed*su.multipler() );
+              builder->addArc( pt1, pt2, cost, speed*su.multipler(), feature.id() );
             }
             if ( directionType == 2 ||
                  directionType == 3 )
             {
-              builder->addArc( pt2, pt1, cost, speed*su.multipler() );
+              builder->addArc( pt2, pt1, cost, speed*su.multipler(), feature.id() );
             }
           }
           pt1 = pt2;
@@ -227,7 +231,7 @@ void RgLineVectorLayerDirector::makeGraph( RgGraphBuilder *builder, const QVecto
       pt1 = pt2;
       isFirstPoint = false;
     } // for (it = pl.begin(); it != pl.end(); ++it)
-
+    emit buildProgress( ++step, featureCount );
   } // while( vl->nextFeature(feature) )
 } // makeGraph( RgGraphBuilder *builder, const QgsRectangle& rt )
 

src/plugins/roadgraph/shortestpathwidget.cpp

@@ -222,7 +222,11 @@ void RgShortestPathWidget::setBackPoint( const QgsPoint& pt )
 bool RgShortestPathWidget::getPath( AdjacencyMatrix& matrix, QgsPoint& p1, QgsPoint& p2 )
 {
   if ( mFrontPointLineEdit->text().isNull() || mBackPointLineEdit->text().isNull() )
+  {
+    QMessageBox::critical( this, tr( "Point not selected" ), tr( "Frist, select start and stop points." ) );
     return false;
+  }
+
   RgSimpleGraphBuilder builder( mPlugin->iface()->mapCanvas()->mapRenderer()->destinationSrs(),
                                 mPlugin->topologyToleranceFactor() );
   {
@@ -232,6 +236,9 @@ bool RgShortestPathWidget::getPath( AdjacencyMatrix& matrix, QgsPoint& p1, QgsPo
       QMessageBox::critical( this, tr( "Plugin isn't configured" ), tr( "Plugin isn't configured!" ) );
       return false;
     }
+    connect( director, SIGNAL( buildProgress( int, int ) ), mPlugin->iface()->mainWindow(), SLOT( showProgress( int, int ) ) );
+    connect( director, SIGNAL( buildMessage( QString ) ), mPlugin->iface()->mainWindow(), SLOT( showStatusMessage( QString ) ) );
+
     QVector< QgsPoint > points;
     QVector< QgsPoint > tiedPoint;
 

src/plugins/roadgraph/simplegraphbuilder.cpp

@@ -53,9 +53,9 @@ QgsPoint RgSimpleGraphBuilder::addVertex( const QgsPoint& pt )
   return pt;
 }
 
-void RgSimpleGraphBuilder::addArc( const QgsPoint& pt1, const QgsPoint& pt2, double cost, double speed )
+void RgSimpleGraphBuilder::addArc( const QgsPoint& pt1, const QgsPoint& pt2, double cost, double speed, int featureId )
 {
-  mMatrix[ pt1 ][ pt2 ] = ArcAttributes( cost, cost / speed, 0 );
+  mMatrix[ pt1 ][ pt2 ] = ArcAttributes( cost, cost / speed, featureId );
 }
 
 AdjacencyMatrix RgSimpleGraphBuilder::adjacencyMatrix()

src/plugins/roadgraph/simplegraphbuilder.h

@@ -44,7 +44,7 @@ class RgSimpleGraphBuilder : public RgGraphBuilder
      * MANDATORY BUILDER PROPERTY DECLARATION
      */
     QgsPoint addVertex( const QgsPoint& pt );
-    void addArc( const QgsPoint& pt1, const QgsPoint& pt2, double cost, double speed );
+    void addArc( const QgsPoint& pt1, const QgsPoint& pt2, double cost, double speed, int featureId );
 
     /**
      * return Adjacecncy matrix;