ladanyi@53: #include "graph_displayer_canvas.h"
alpar@59: #include <cmath>
ladanyi@6: 
hegyi@96: GraphDisplayerCanvas::GraphDisplayerCanvas(NoteBookTab & mainw) :
hegyi@94:   nodesmap(mainw.mapstorage.graph), edgesmap(mainw.mapstorage.graph), edgetextmap(mainw.mapstorage.graph),
hegyi@94:   nodetextmap(mainw.mapstorage.graph), displayed_graph(*(root()), 0, 0),
ladanyi@66:   isbutton(0), active_item(NULL), target_item(NULL), nodemap_to_edit(""),
hegyi@154:   edgemap_to_edit(""), autoscale(true), radius_min(10), radius_max(40), radius_unit(1), mytab(mainw)
ladanyi@6: {
ladanyi@53:   //base event handler is move tool
ladanyi@53:   actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::moveEventHandler), false);
ladanyi@53:   actual_tool=MOVE;
hegyi@34: 
ladanyi@53:   active_node=INVALID;
ladanyi@53:   active_edge=INVALID;
ladanyi@53:   forming_edge=INVALID;
ladanyi@53: }
hegyi@9: 
ladanyi@53: GraphDisplayerCanvas::~GraphDisplayerCanvas()
ladanyi@53: {
hegyi@96:   for (NodeIt n((mytab.mapstorage).graph); n != INVALID; ++n)
hegyi@94:     {
hegyi@94:       delete nodesmap[n];
hegyi@94:       delete nodetextmap[n];
hegyi@94:     }
hegyi@94:   
hegyi@96:   for (EdgeIt e((mytab.mapstorage).graph); e != INVALID; ++e)
hegyi@94:     {
hegyi@94:       delete edgesmap[e];
hegyi@94:       delete edgetextmap[e];
hegyi@94:     }
hegyi@94: }
ladanyi@6: 
hegyi@94: void GraphDisplayerCanvas::propertyChange(bool itisedge, int prop)
hegyi@94: {
hegyi@94:   if(itisedge)
hegyi@94:     {
hegyi@94:       propertyUpdate(Edge(INVALID), prop);
hegyi@94:     }
hegyi@94:   else
hegyi@94:     {
hegyi@94:       propertyUpdate(Node(INVALID), prop);
hegyi@94:     }
hegyi@94: }
hegyi@94: 
hegyi@94: void GraphDisplayerCanvas::propertyUpdate(Edge edge)
hegyi@94: {
hegyi@94:   for(int i=0;i<EDGE_PROPERTY_NUM;i++)
hegyi@94:     {
hegyi@94:       propertyUpdate(edge, i);
hegyi@94:     }
hegyi@94: }
hegyi@94: 
hegyi@94: void GraphDisplayerCanvas::propertyUpdate(Node node)
hegyi@94: {
hegyi@94:   for(int i=0;i<NODE_PROPERTY_NUM;i++)
hegyi@94:     {
hegyi@94:       propertyUpdate(node, i);
hegyi@94:     }
hegyi@94: }
hegyi@94: 
hegyi@118: void GraphDisplayerCanvas::propertyUpdate(Node node, int prop)
hegyi@94: {
hegyi@118:   //dummy=dummy;
hegyi@94: 
hegyi@96:   std::string mapname=mytab.getActiveNodeMap(prop);
hegyi@94: 
hegyi@94:   if(mapname!="")
hegyi@94:     {
hegyi@96:       if( ( ((mytab.mapstorage).nodemap_storage).find(mapname) != ((mytab.mapstorage).nodemap_storage).end() ) )
hegyi@94: 	{
hegyi@94: 	  switch(prop)
hegyi@94: 	    {
hegyi@94: 	    case N_RADIUS:
hegyi@94: 	      changeNodeRadius(mapname, node);
hegyi@94: 	      break;
hegyi@94: 	    case N_COLOR:
hegyi@94: 	      changeNodeColor(mapname, node);
hegyi@94: 	      break;
hegyi@94: 	    case N_TEXT:
hegyi@94: 	      changeNodeText(mapname, node);
hegyi@94: 	      break;
hegyi@94: 	    default:
hegyi@94: 	      std::cerr<<"Error\n";
hegyi@94: 	    }
hegyi@94: 	}
hegyi@94:     }
hegyi@94:   else //mapname==""
hegyi@94:     {
hegyi@94:       Node node=INVALID;	
hegyi@94:       switch(prop)
hegyi@94: 	{
hegyi@94: 	case N_RADIUS:
hegyi@94: 	  resetNodeRadius(node);
hegyi@94: 	  break;
hegyi@94: 	case N_COLOR:
hegyi@94: 	  resetNodeColor(node);
hegyi@94: 	  break;
hegyi@94: 	case N_TEXT:
hegyi@94: 	  resetNodeText(node);
hegyi@94: 	  break;
hegyi@94: 	default:
hegyi@94: 	  std::cerr<<"Error\n";
hegyi@94: 	}
hegyi@94:     }
hegyi@94: 
hegyi@94: }
hegyi@94: 
hegyi@118: void GraphDisplayerCanvas::propertyUpdate(Edge edge, int prop)
hegyi@94: {
hegyi@118:   //dummy=dummy;
hegyi@94: 
hegyi@96:   std::string mapname=mytab.getActiveEdgeMap(prop);
hegyi@94: 
hegyi@94:   if(mapname!="")
hegyi@94:     {
hegyi@96:       if( ( ((mytab.mapstorage).edgemap_storage).find(mapname) != ((mytab.mapstorage).edgemap_storage).end() ) )
hegyi@94: 	{
hegyi@94: 	  switch(prop)
hegyi@94: 	    {
hegyi@94: 	    case E_WIDTH:
hegyi@94: 	      changeEdgeWidth(mapname, edge);
hegyi@94: 	      break;
hegyi@94: 	    case E_COLOR:
hegyi@94: 	      changeEdgeColor(mapname, edge);
hegyi@94: 	      break;
hegyi@94: 	    case E_TEXT:
hegyi@94: 	      changeEdgeText(mapname, edge);
hegyi@94: 	      break;
hegyi@94: 	    default:
hegyi@94: 	      std::cerr<<"Error\n";
hegyi@94: 	    }
hegyi@94: 	}
hegyi@94:     }
hegyi@94:   else //mapname==""
hegyi@94:     {
hegyi@94:       switch(prop)
hegyi@94: 	{
hegyi@94: 	case E_WIDTH:
hegyi@94: 	  resetEdgeWidth(edge);
hegyi@94: 	  break;
hegyi@94: 	case E_COLOR:
hegyi@94: 	  resetEdgeColor(edge);
hegyi@94: 	  break;
hegyi@94: 	case E_TEXT:
hegyi@94: 	  resetEdgeText(edge);
hegyi@94: 	  break;
hegyi@94: 	default:
hegyi@94: 	  std::cerr<<"Error\n";
hegyi@94: 	}
hegyi@94:     }
ladanyi@53: }
ladanyi@53: 
ladanyi@53: void GraphDisplayerCanvas::drawGraph()
ladanyi@53: {
ladanyi@6:   //first edges are drawn, to hide joining with nodes later
ladanyi@6: 
hegyi@96:   for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
ladanyi@6:   {
ladanyi@151:     if (mytab.mapstorage.graph.source(i) == mytab.mapstorage.graph.target(i))
ladanyi@151:     {
ladanyi@151:       edgesmap[i]=new LoopEdge(displayed_graph, i, *this);
ladanyi@151:     }
ladanyi@151:     else
ladanyi@151:     {
ladanyi@151:       edgesmap[i]=new BrokenEdge(displayed_graph, i, *this);
ladanyi@151:     }
ladanyi@6:     //initializing edge-text as well, to empty string
ladanyi@6: 
ladanyi@98:     XY text_pos=mytab.mapstorage.arrow_pos[i];
ladanyi@98:     text_pos+=(XY(10,10));
hegyi@25: 
hegyi@25:     edgetextmap[i]=new Gnome::Canvas::Text(displayed_graph, text_pos.x, text_pos.y, "");
hegyi@28:     edgetextmap[i]->property_fill_color().set_value("darkgreen");
hegyi@149:     edgetextmap[i]->signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::mapEditEventHandler), false);
ladanyi@63:     edgetextmap[i]->raise_to_top();
ladanyi@6:   }
ladanyi@6: 
ladanyi@6:   //afterwards nodes come to be drawn
ladanyi@6: 
hegyi@96:   for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
ladanyi@6:   {
ladanyi@6:     //drawing bule nodes, with black line around them
ladanyi@6: 
ladanyi@53:     nodesmap[i]=new Gnome::Canvas::Ellipse(
ladanyi@53:         displayed_graph,
hegyi@96:         (mytab.mapstorage).coords[i].x-20,
hegyi@96:         (mytab.mapstorage).coords[i].y-20,
hegyi@96:         (mytab.mapstorage).coords[i].x+20,
hegyi@96:         (mytab.mapstorage).coords[i].y+20);
ladanyi@6:     *(nodesmap[i]) << Gnome::Canvas::Properties::fill_color("blue");
ladanyi@6:     *(nodesmap[i]) << Gnome::Canvas::Properties::outline_color("black");
ladanyi@63:     nodesmap[i]->raise_to_top();
hegyi@28: 
hegyi@28:     //initializing edge-text as well, to empty string
hegyi@28: 
hegyi@150:     XY text_pos(
hegyi@96:         ((mytab.mapstorage).coords[i].x+node_property_defaults[N_RADIUS]+5),
hegyi@96:         ((mytab.mapstorage).coords[i].y+node_property_defaults[N_RADIUS]+5));
hegyi@28: 
ladanyi@53:     nodetextmap[i]=new Gnome::Canvas::Text(displayed_graph,
ladanyi@53:         text_pos.x, text_pos.y, "");
hegyi@28:     nodetextmap[i]->property_fill_color().set_value("darkblue");
hegyi@149:     nodetextmap[i]->signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::mapEditEventHandler), false);
ladanyi@63:     nodetextmap[i]->raise_to_top();
ladanyi@6:   }
ladanyi@6: 
ladanyi@6:   updateScrollRegion();
ladanyi@6: }
ladanyi@6: 
ladanyi@53: void GraphDisplayerCanvas::clear()
ladanyi@6: {
ladanyi@53:   active_node=INVALID;
ladanyi@53:   active_edge=INVALID;
ladanyi@53:   forming_edge=INVALID;
ladanyi@6: 
hegyi@96:   for (NodeIt n((mytab.mapstorage).graph); n != INVALID; ++n)
ladanyi@6:   {
ladanyi@53:     delete nodesmap[n];
ladanyi@53:     delete nodetextmap[n];
ladanyi@6:   }
ladanyi@6: 
hegyi@96:   for (EdgeIt e((mytab.mapstorage).graph); e != INVALID; ++e)
ladanyi@53:   {
ladanyi@53:     delete edgesmap[e];
ladanyi@53:     delete edgetextmap[e];
ladanyi@53:   }
ladanyi@6: }
hegyi@154: 
hegyi@154: void GraphDisplayerCanvas::setNodeView(bool autoscale_p, double min_p, double max_p, double unit_p)
hegyi@154: {
hegyi@154:   autoscale=autoscale_p;
hegyi@154:   radius_min=min_p;
hegyi@154:   radius_max=max_p;
hegyi@154:   radius_unit=unit_p;
hegyi@154:   propertyChange(false, N_RADIUS);
hegyi@154: }
hegyi@154: 
hegyi@154: void GraphDisplayerCanvas::getNodeView(bool & autoscale_p, double& min_p, double& max_p, double& unit_p)
hegyi@154: {
hegyi@154:   autoscale_p=autoscale;
hegyi@154:   min_p=radius_min;
hegyi@154:   max_p=radius_max;
hegyi@154:   unit_p=radius_unit;
hegyi@154: }