Sorry, the previous commit was uncorrect. Erasing is now possible on edges, but on nodes not.
authorhegyi
Tue, 14 Jun 2005 16:56:37 +0000
changeset 14865f87111056b8
parent 1485 3a1c6678fa23
child 1487 6ea6d0d789c6
Sorry, the previous commit was uncorrect. Erasing is now possible on edges, but on nodes not.
gui/graph_displayer_canvas.cc
gui/graph_displayer_canvas.h
     1.1 --- a/gui/graph_displayer_canvas.cc	Tue Jun 14 15:58:12 2005 +0000
     1.2 +++ b/gui/graph_displayer_canvas.cc	Tue Jun 14 16:56:37 2005 +0000
     1.3 @@ -622,24 +622,33 @@
     1.4  	{
     1.5  	  if(active_node!=INVALID)
     1.6  	    {
     1.7 -	      EdgeIt e;
     1.8 -	      g.firstOut(e,active_node);
     1.9 -	      for(;e!=INVALID;g.nextOut(e))
    1.10 +//	      EdgeIt e;
    1.11 +// 	      g.firstOut(e,active_node);
    1.12 +// 	      for(;e!=INVALID;g.nextOut(e))
    1.13 +// 		{
    1.14 +// 		  if(e!=INVALID)delete_item(e);
    1.15 +// 		}
    1.16 +
    1.17 +// 	      g.firstIn(e,active_node);
    1.18 +// 	      for(;e!=INVALID;g.nextIn(e))
    1.19 +// 		{
    1.20 +// 		  if(e!=INVALID)delete_item(e);
    1.21 +// 		}
    1.22 +	      for (EdgeIt i(g); i!=INVALID; ++i)
    1.23  		{
    1.24 -		  delete_item(edgesmap[e]);
    1.25 -		  //edgesmap[e]->property_points().set_value(coos);
    1.26 -		  //edgetextmap[e]->property_y().set_value((y1+y2)/2);
    1.27 +		  //std::cout << g.source(i).id << "-" << g.target(i).id << " " << active_node.id << std::endl;
    1.28 +		  if((g.source(i)==active_node)||(g.target(i)==active_node))
    1.29 +		    {
    1.30 +		      delete_item(i);
    1.31 +		    }
    1.32  		}
    1.33 +	      delete_item(active_node);
    1.34 +	    }
    1.35 +	  else
    1.36 +	    {
    1.37 +	      delete_item(active_edge);
    1.38 +	    }
    1.39  
    1.40 -	      g.firstIn(e,active_node);
    1.41 -	      for(;e!=INVALID;g.nextIn(e))
    1.42 -		{
    1.43 -		  delete_item(edgesmap[e]);
    1.44 -		  //edgesmap[e]->get_bounds(x1, y1, x2, y2);
    1.45 -		  //edgetextmap[e]->property_y().set_value((y1+y2)/2);
    1.46 -		}
    1.47 -	    }
    1.48 -	  delete_item(active_item);
    1.49  	  
    1.50  	}
    1.51        else
    1.52 @@ -667,9 +676,15 @@
    1.53    return true;
    1.54  }
    1.55  
    1.56 -void GraphDisplayerCanvas::delete_item(Gnome::Canvas::Item * item_to_delete)
    1.57 +void GraphDisplayerCanvas::delete_item(NodeIt node_to_delete)
    1.58  {
    1.59 -  //item_to_delete->hide();
    1.60 -  delete(item_to_delete);
    1.61 +  delete(nodesmap[node_to_delete]);
    1.62 +  g.erase(node_to_delete);
    1.63  }
    1.64  
    1.65 +void GraphDisplayerCanvas::delete_item(EdgeIt edge_to_delete)
    1.66 +{
    1.67 +  delete(edgesmap[edge_to_delete]);
    1.68 +  g.erase(edge_to_delete);
    1.69 +}
    1.70 +
     2.1 --- a/gui/graph_displayer_canvas.h	Tue Jun 14 15:58:12 2005 +0000
     2.2 +++ b/gui/graph_displayer_canvas.h	Tue Jun 14 16:56:37 2005 +0000
     2.3 @@ -69,8 +69,10 @@
     2.4    ///event handler for the case when eraser-tool is active
     2.5    bool eraser_event_handler(GdkEvent*);
     2.6  
     2.7 -  ///Deletes the given item.
     2.8 -  void delete_item(Gnome::Canvas::Item *);
     2.9 +  ///Deletes the given element.
    2.10 +  void delete_item(NodeIt);
    2.11 +  ///Deletes the given element.
    2.12 +  void delete_item(EdgeIt);
    2.13  
    2.14    ///The graph, on which we work
    2.15    Graph g;