deduplicated connecting to the curve of parent tool

SebDieBln · SebDieBln · commit 6a2af5d93600 · 2015-12-21T12:49:06.000+01:00
also moved it to the active() method
diff --git a/src/app/qgsmaptooladdcircularstring.cpp b/src/app/qgsmaptooladdcircularstring.cpp
@@ -126,6 +126,22 @@ void QgsMapToolAddCircularString::activate()
   if ( mParentTool )
   {
     mParentTool->deleteTempRubberBand();
+    if ( mPoints.isEmpty() )
+    {
+      // if the parent tool has a curve, use its last point as the first point in this curve
+      const QgsCompoundCurveV2* compoundCurve = mParentTool->captureCurve();
+      if ( compoundCurve && compoundCurve->nCurves() > 0 )
+      {
+        const QgsCurveV2* curve = compoundCurve->curveAt( compoundCurve->nCurves() - 1 );
+        if ( curve )
+        {
+          //mParentTool->captureCurve() is in layer coordinates, but we need map coordinates
+          QgsPointV2 endPointLayerCoord = curve->endPoint();
+          QgsPoint mapPoint = toMapCoordinates( mCanvas->currentLayer(), QgsPoint( endPointLayerCoord.x(), endPointLayerCoord.y() ) );
+          mPoints.append( QgsPointV2( mapPoint ) );
+        }
+      }
+    }
   }
   QgsMapToolCapture::activate();
 }
diff --git a/src/app/qgsmaptoolcircularstringcurvepoint.cpp b/src/app/qgsmaptoolcircularstringcurvepoint.cpp
@@ -23,24 +23,6 @@ void QgsMapToolCircularStringCurvePoint::cadCanvasReleaseEvent( QgsMapMouseEvent
 
   if ( e->button() == Qt::LeftButton )
   {
-    if ( mPoints.size() < 1 ) //connection to vertex of previous line segment needed?
-    {
-      const QgsCompoundCurveV2* compoundCurve = mParentTool->captureCurve();
-      if ( compoundCurve )
-      {
-        if ( compoundCurve->nCurves() > 0 )
-        {
-          const QgsCurveV2* curve = compoundCurve->curveAt( compoundCurve->nCurves() - 1 );
-          if ( curve )
-          {
-            //mParentTool->captureCurve() is in layer coordinates, but we need map coordinates
-            QgsPointV2 endPointLayerCoord = curve->endPoint();
-            QgsPoint mapPoint = toMapCoordinates( mCanvas->currentLayer(), QgsPoint( endPointLayerCoord.x(), endPointLayerCoord.y() ) );
-            mPoints.append( QgsPointV2( mapPoint.x(), mapPoint.y() ) );
-          }
-        }
-      }
-    }
     mPoints.append( mapPoint );
     if ( !mCenterPointRubberBand && mShowCenterPointRubberBand )
     {
diff --git a/src/app/qgsmaptoolcircularstringradius.cpp b/src/app/qgsmaptoolcircularstringradius.cpp
@@ -49,24 +49,8 @@ void QgsMapToolCircularStringRadius::cadCanvasReleaseEvent( QgsMapMouseEvent* e
   {
     if ( mPoints.isEmpty() )
     {
-      //get first point from parent tool if there. Todo: move to upper class
-      const QgsCompoundCurveV2* compoundCurve = mParentTool->captureCurve();
-      if ( compoundCurve && compoundCurve->nCurves() > 0 )
-      {
-        const QgsCurveV2* curve = compoundCurve->curveAt( compoundCurve->nCurves() - 1 );
-        if ( curve )
-        {
-          //mParentTool->captureCurve() is in layer coordinates, but we need map coordinates
-          QgsPointV2 endPointLayerCoord = curve->endPoint();
-          QgsPoint mapPoint = toMapCoordinates( mCanvas->currentLayer(), QgsPoint( endPointLayerCoord.x(), endPointLayerCoord.y() ) );
-          mPoints.append( QgsPointV2( mapPoint.x(), mapPoint.y() ) );
-        }
-      }
-      else
-      {
-        mPoints.append( mapPoint );
-        return;
-      }
+      mPoints.append( mapPoint );
+      return;
     }
 
     if ( mPoints.size() % 2 == 1 )
