1.1 --- a/graph_displayer_canvas.cc Thu Jun 23 17:56:24 2005 +0000
1.2 +++ b/graph_displayer_canvas.cc Fri Jun 24 07:58:18 2005 +0000
1.3 @@ -91,706 +91,3 @@
1.4 writer.writeNodeMap("coordinates_y", yc);
1.5 writer.run();
1.6 }
1.7 -
1.8 -int GraphDisplayerCanvas::changeLineWidth (std::string mapname)
1.9 -{
1.10 - for (EdgeIt i(g); i!=INVALID; ++i)
1.11 - {
1.12 - int w=(int)(*(mapstorage.edgemap_storage)[mapname])[i];
1.13 - if(w>=0)
1.14 - {
1.15 - edgesmap[i]->property_width_pixels().set_value(w);
1.16 - }
1.17 - }
1.18 - return 0;
1.19 -};
1.20 -
1.21 -int GraphDisplayerCanvas::changeColor (std::string mapname)
1.22 -{
1.23 -
1.24 - //function maps the range of the maximum and
1.25 - //the minimum of the nodemap to the range of
1.26 - //green in RGB
1.27 -
1.28 - for (EdgeIt i(g); i!=INVALID; ++i)
1.29 - {
1.30 - double w=(*(mapstorage.edgemap_storage)[mapname])[i];
1.31 - double max=mapstorage.maxOfEdgeMap(mapname);
1.32 - double min=mapstorage.minOfEdgeMap(mapname);
1.33 -
1.34 - //std::cout<<w<<" "<<max<<" "<<min<<" "<<100*(w-min)/(max-min)<<std::endl;
1.35 - Gdk::Color color;
1.36 - if(max!=min)
1.37 - {
1.38 - color.set_rgb_p (0, 100*(w-min)/(max-min), 0);
1.39 - }
1.40 - else
1.41 - {
1.42 - color.set_rgb_p (0, 100, 0);
1.43 - }
1.44 -
1.45 - edgesmap[i]->property_fill_color_gdk().set_value(color);
1.46 - }
1.47 - return 0;
1.48 -};
1.49 -
1.50 -int GraphDisplayerCanvas::changeText (std::string mapname)
1.51 -{
1.52 -
1.53 - //the number in the map will be written on the edge
1.54 - //EXCEPT when the name of the map is Text, because
1.55 - //in that case empty string will be written, because
1.56 - //that is the deleter map
1.57 - //\todo isn't it a bit woodcutter?
1.58 -
1.59 - for (EdgeIt i(g); i!=INVALID; ++i)
1.60 - {
1.61 - if(mapname!="Text")
1.62 - {
1.63 - double number=(*(mapstorage.edgemap_storage)[mapname])[i];
1.64 - int length=1;
1.65 - //if number is smaller than one, length would be negative, or invalid
1.66 - if(number>=1)
1.67 - {
1.68 - length=(int)(floor(log(number)/log(10)))+1;
1.69 - }
1.70 - int maxpos=(int)(pow(10,length-1));
1.71 - int strl=length+1+RANGE;
1.72 - char * str=new char[strl];
1.73 - str[length]='.';
1.74 - str[strl]='\0';
1.75 -
1.76 - for(int j=0;j<strl;j++)
1.77 - {
1.78 - if(j!=length)
1.79 - {
1.80 - int digit=(int)(number/maxpos);
1.81 - str[j]=(digit+'0');
1.82 - number-=digit*maxpos;
1.83 - number*=10;
1.84 - }
1.85 - }
1.86 -
1.87 - edgetextmap[i]->property_text().set_value(str);
1.88 - }
1.89 - else
1.90 - {
1.91 - edgetextmap[i]->property_text().set_value("");
1.92 - }
1.93 - }
1.94 - return 0;
1.95 -};
1.96 -
1.97 -//Deprecated
1.98 -bool GraphDisplayerCanvas::event_handler(GdkEvent* e, Node n)
1.99 -{
1.100 - switch(e->type)
1.101 - {
1.102 - case GDK_BUTTON_PRESS:
1.103 - //we mark the location of the event to be able to calculate parameters of dragging
1.104 - clicked_x=e->button.x;
1.105 - clicked_y=e->button.y;
1.106 - active_item=(get_item_at(e->button.x, e->button.y));
1.107 - isbutton=1;
1.108 - break;
1.109 - case GDK_BUTTON_RELEASE:
1.110 - isbutton=0;
1.111 - active_item=NULL;
1.112 - updateScrollRegion();
1.113 - break;
1.114 - case GDK_MOTION_NOTIFY:
1.115 - //we only have to do sg. if the mouse button is pressed
1.116 - if(isbutton)
1.117 - {
1.118 - //new coordinates will be the old values,
1.119 - //because the item will be moved to the
1.120 - //new coordinate therefore the new movement
1.121 - //has to be calculated from here
1.122 -
1.123 - double dx=e->motion.x-clicked_x;
1.124 - double dy=e->motion.y-clicked_y;
1.125 - active_item->move(dx, dy);
1.126 - clicked_x=e->motion.x;
1.127 - clicked_y=e->motion.y;
1.128 -
1.129 - //all the edges connected to the moved point has to be redrawn
1.130 -
1.131 - EdgeIt e;
1.132 - g.firstOut(e,n);
1.133 - for(;e!=INVALID;g.nextOut(e))
1.134 - {
1.135 - Gnome::Canvas::Points coos;
1.136 - double x1, x2, y1, y2;
1.137 -
1.138 - nodesmap[g.source(e)]->get_bounds(x1, y1, x2, y2);
1.139 - coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
1.140 -
1.141 - nodesmap[g.target(e)]->get_bounds(x1, y1, x2, y2);
1.142 - coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
1.143 -
1.144 - edgesmap[e]->property_points().set_value(coos);
1.145 -
1.146 - edgesmap[e]->get_bounds(x1, y1, x2, y2);
1.147 -
1.148 - edgetextmap[e]->property_x().set_value((x1+x2)/2);
1.149 - edgetextmap[e]->property_y().set_value((y1+y2)/2);
1.150 - }
1.151 -
1.152 - g.firstIn(e,n);
1.153 - for(;e!=INVALID;g.nextIn(e))
1.154 - {
1.155 - Gnome::Canvas::Points coos;
1.156 - double x1, x2, y1, y2;
1.157 -
1.158 - nodesmap[g.source(e)]->get_bounds(x1, y1, x2, y2);
1.159 - coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
1.160 -
1.161 - nodesmap[g.target(e)]->get_bounds(x1, y1, x2, y2);
1.162 - coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
1.163 -
1.164 - edgesmap[e]->property_points().set_value(coos);
1.165 -
1.166 - edgesmap[e]->get_bounds(x1, y1, x2, y2);
1.167 -
1.168 - edgetextmap[e]->property_x().set_value((x1+x2)/2);
1.169 - edgetextmap[e]->property_y().set_value((y1+y2)/2);
1.170 - }
1.171 - }
1.172 - default: break;
1.173 - }
1.174 - return true;
1.175 -}
1.176 -
1.177 -bool GraphDisplayerCanvas::on_expose_event(GdkEventExpose *event)
1.178 -{
1.179 - Gnome::Canvas::CanvasAA::on_expose_event(event);
1.180 - //usleep(10000);
1.181 - //rezoom();
1.182 - return true;
1.183 -}
1.184 -
1.185 -void GraphDisplayerCanvas::zoomIn()
1.186 -{
1.187 - set_pixels_per_unit(
1.188 - (1.0 + (double) zoom_step / 100.0) * get_pixels_per_unit());
1.189 -}
1.190 -
1.191 -void GraphDisplayerCanvas::zoomOut()
1.192 -{
1.193 - set_pixels_per_unit(
1.194 - (1.0 - (double) zoom_step / 100.0) * get_pixels_per_unit());
1.195 -}
1.196 -
1.197 -void GraphDisplayerCanvas::zoomFit()
1.198 -{
1.199 - // get the height and width of the canvas
1.200 - Gtk::Allocation a = get_allocation();
1.201 - int aw = a.get_width();
1.202 - int ah = a.get_height();
1.203 - // add some space
1.204 - aw -= 5; if (aw < 0) aw = 0;
1.205 - ah -= 5; if (ah < 0) ah = 0;
1.206 -
1.207 - // get the bounding box of the graph
1.208 - double wx1, wy1, wx2, wy2;
1.209 - Gnome::Canvas::Item* pCanvasItem = root();
1.210 - pCanvasItem->get_bounds(wx1, wy1, wx2, wy2);
1.211 -
1.212 - // fit the graph to the window
1.213 - double ppu1 = (double) aw / fabs(wx2 - wx1);
1.214 - double ppu2 = (double) ah / fabs(wy2 - wy1);
1.215 - set_pixels_per_unit((ppu1 < ppu2) ? ppu1 : ppu2);
1.216 -}
1.217 -
1.218 -void GraphDisplayerCanvas::zoom100()
1.219 -{
1.220 - set_pixels_per_unit(1.0);
1.221 -}
1.222 -
1.223 -void GraphDisplayerCanvas::updateScrollRegion()
1.224 -{
1.225 - double wx1, wy1, wx2, wy2;
1.226 - Gnome::Canvas::Item* pCanvasItem = root();
1.227 - pCanvasItem->get_bounds(wx1, wy1, wx2, wy2);
1.228 - set_scroll_region(wx1, wy1, wx2, wy2);
1.229 -}
1.230 -
1.231 -void GraphDisplayerCanvas::changeEditorialTool(int newtool)
1.232 -{
1.233 - actual_handler.disconnect();
1.234 -
1.235 - if(actual_tool==CREATE_EDGE)
1.236 - {
1.237 - GdkEvent * generated=new GdkEvent();
1.238 - generated->type=GDK_BUTTON_RELEASE;
1.239 - generated->button.button=3;
1.240 - create_edge_event_handler(generated);
1.241 - }
1.242 -
1.243 - actual_tool=newtool;
1.244 -
1.245 - switch(newtool)
1.246 - {
1.247 - case MOVE:
1.248 - actual_handler=displayed_graph.signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::move_event_handler), false);
1.249 - break;
1.250 -
1.251 - //it has to assigned to canvas, because all the canvas has to be monitored, not only the elements of the already drawn group
1.252 - case CREATE_NODE:
1.253 - actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::create_node_event_handler), false);
1.254 - break;
1.255 -
1.256 - case CREATE_EDGE:
1.257 - actual_handler=displayed_graph.signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::create_edge_event_handler), false);
1.258 - break;
1.259 -
1.260 - case ERASER:
1.261 - actual_handler=displayed_graph.signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::eraser_event_handler), false);
1.262 - break;
1.263 -
1.264 - default:
1.265 - break;
1.266 - }
1.267 -}
1.268 -
1.269 -int GraphDisplayerCanvas::get_actual_tool()
1.270 -{
1.271 - return actual_tool;
1.272 -}
1.273 -
1.274 -bool GraphDisplayerCanvas::move_event_handler(GdkEvent* e)
1.275 -{
1.276 - switch(e->type)
1.277 - {
1.278 - case GDK_BUTTON_PRESS:
1.279 - //we mark the location of the event to be able to calculate parameters of dragging
1.280 - clicked_x=e->button.x;
1.281 - clicked_y=e->button.y;
1.282 - active_item=(get_item_at(e->button.x, e->button.y));
1.283 - active_node=INVALID;
1.284 - for (NodeIt i(g); i!=INVALID; ++i)
1.285 - {
1.286 - if(nodesmap[i]==active_item)
1.287 - {
1.288 - active_node=i;
1.289 - }
1.290 - }
1.291 - switch(e->button.button)
1.292 - {
1.293 - case 3:
1.294 - isbutton=3;
1.295 - break;
1.296 - default:
1.297 - isbutton=1;
1.298 - break;
1.299 - }
1.300 - break;
1.301 - case GDK_BUTTON_RELEASE:
1.302 - isbutton=0;
1.303 - active_item=NULL;
1.304 - active_node=INVALID;
1.305 - updateScrollRegion();
1.306 - break;
1.307 - case GDK_MOTION_NOTIFY:
1.308 - //we only have to do sg. if the mouse button is pressed AND the click was on a node that was found in the set of nodes
1.309 - if(active_node!=INVALID)
1.310 - {
1.311 - //new coordinates will be the old values,
1.312 - //because the item will be moved to the
1.313 - //new coordinate therefore the new movement
1.314 - //has to be calculated from here
1.315 -
1.316 - double dx=e->motion.x-clicked_x;
1.317 - double dy=e->motion.y-clicked_y;
1.318 -
1.319 - active_item->move(dx, dy);
1.320 -
1.321 - clicked_x=e->motion.x;
1.322 - clicked_y=e->motion.y;
1.323 -
1.324 - //all the edges connected to the moved point has to be redrawn
1.325 - EdgeIt ei;
1.326 -
1.327 - g.firstOut(ei,active_node);
1.328 -
1.329 - for(;ei!=INVALID;g.nextOut(ei))
1.330 - {
1.331 - Gnome::Canvas::Points coos;
1.332 - double x1, x2, y1, y2;
1.333 -
1.334 - nodesmap[g.source(ei)]->get_bounds(x1, y1, x2, y2);
1.335 - coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
1.336 -
1.337 - nodesmap[g.target(ei)]->get_bounds(x1, y1, x2, y2);
1.338 - coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
1.339 -
1.340 - if(isbutton==3)
1.341 - {
1.342 - edgesmap[ei]->set_points(coos);
1.343 - }
1.344 - else
1.345 - {
1.346 - edgesmap[ei]->set_points(coos,true);
1.347 - }
1.348 -
1.349 - xy<double> text_pos=edgesmap[ei]->get_arrow_pos();
1.350 - text_pos+=(xy<double>(10,10));
1.351 - edgetextmap[ei]->property_x().set_value(text_pos.x);
1.352 - edgetextmap[ei]->property_y().set_value(text_pos.y);
1.353 - }
1.354 -
1.355 - g.firstIn(ei,active_node);
1.356 - for(;ei!=INVALID;g.nextIn(ei))
1.357 - {
1.358 - Gnome::Canvas::Points coos;
1.359 - double x1, x2, y1, y2;
1.360 -
1.361 - nodesmap[g.source(ei)]->get_bounds(x1, y1, x2, y2);
1.362 - coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
1.363 -
1.364 - nodesmap[g.target(ei)]->get_bounds(x1, y1, x2, y2);
1.365 - coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
1.366 -
1.367 - if(isbutton==3)
1.368 - {
1.369 - edgesmap[ei]->set_points(coos);
1.370 - }
1.371 - else
1.372 - {
1.373 - edgesmap[ei]->set_points(coos,true);
1.374 - }
1.375 -
1.376 - xy<double> text_pos=edgesmap[ei]->get_arrow_pos();
1.377 - text_pos+=(xy<double>(10,10));
1.378 - edgetextmap[ei]->property_x().set_value(text_pos.x);
1.379 - edgetextmap[ei]->property_y().set_value(text_pos.y);
1.380 - }
1.381 - }
1.382 - default: break;
1.383 - }
1.384 -
1.385 - return true;
1.386 -}
1.387 -
1.388 -bool GraphDisplayerCanvas::create_node_event_handler(GdkEvent* e)
1.389 -{
1.390 - switch(e->type)
1.391 - {
1.392 -
1.393 - //draw the new node in red at the clicked place
1.394 - case GDK_BUTTON_PRESS:
1.395 - isbutton=1;
1.396 -
1.397 - active_node=NodeIt(g,g.addNode());
1.398 -
1.399 - //initiating values corresponding to new node in maps
1.400 -
1.401 -
1.402 - window_to_world (e->button.x, e->button.y, clicked_x, clicked_y);
1.403 -
1.404 - nodesmap[active_node]=new Gnome::Canvas::Ellipse(displayed_graph, clicked_x-20, clicked_y-20, clicked_x+20, clicked_y+20);
1.405 - active_item=(Gnome::Canvas::Item *)(nodesmap[active_node]);
1.406 - *(nodesmap[active_node]) << Gnome::Canvas::Properties::fill_color("red");
1.407 - *(nodesmap[active_node]) << Gnome::Canvas::Properties::outline_color("black");
1.408 - (nodesmap[active_node])->show();
1.409 - break;
1.410 -
1.411 - //move the new node
1.412 - case GDK_MOTION_NOTIFY:
1.413 - {
1.414 - double world_motion_x, world_motion_y;
1.415 - GdkEvent * generated=new GdkEvent();
1.416 - window_to_world (e->motion.x, e->motion.y, world_motion_x, world_motion_y);
1.417 - generated->motion.x=world_motion_x;
1.418 - generated->motion.y=world_motion_y;
1.419 - generated->type=GDK_MOTION_NOTIFY;
1.420 - move_event_handler(generated);
1.421 - break;
1.422 - }
1.423 -
1.424 - //finalize the new node
1.425 - case GDK_BUTTON_RELEASE:
1.426 - isbutton=0;
1.427 - *active_item << Gnome::Canvas::Properties::fill_color("blue");
1.428 - active_item=NULL;
1.429 - active_node=INVALID;
1.430 - updateScrollRegion();
1.431 - break;
1.432 - default:
1.433 - break;
1.434 - }
1.435 - return false;
1.436 -}
1.437 -
1.438 -bool GraphDisplayerCanvas::create_edge_event_handler(GdkEvent* e)
1.439 -{
1.440 - switch(e->type)
1.441 - {
1.442 - case GDK_BUTTON_PRESS:
1.443 - //in edge creation right button has special meaning
1.444 - if(e->button.button!=3)
1.445 - {
1.446 - //there is not yet selected node
1.447 - if(active_node==INVALID)
1.448 - {
1.449 - //we mark the location of the event to be able to calculate parameters of dragging
1.450 - clicked_x=e->button.x;
1.451 - clicked_y=e->button.y;
1.452 - active_item=(get_item_at(e->button.x, e->button.y));
1.453 - active_node=INVALID;
1.454 - for (NodeIt i(g); i!=INVALID; ++i)
1.455 - {
1.456 - if(nodesmap[i]==active_item)
1.457 - {
1.458 - active_node=i;
1.459 - }
1.460 - }
1.461 - //the clicked item is really a node
1.462 - if(active_node!=INVALID)
1.463 - {
1.464 - *(nodesmap[active_node]) << Gnome::Canvas::Properties::fill_color("red");
1.465 - isbutton=1;
1.466 - }
1.467 - //clicked item was not a node. It could be e.g. edge.
1.468 - else
1.469 - {
1.470 - active_item=NULL;
1.471 - }
1.472 - }
1.473 - //we only have to do sg. if the mouse button
1.474 - // is pressed already once AND the click was
1.475 - // on a node that was found in the set of
1.476 - //nodes, and now we only search for the second
1.477 - //node
1.478 - else
1.479 - {
1.480 - target_item=(get_item_at(e->button.x, e->button.y));
1.481 - Graph::NodeIt target_node=INVALID;
1.482 - for (NodeIt i(g); i!=INVALID; ++i)
1.483 - {
1.484 - if(nodesmap[i]==target_item)
1.485 - {
1.486 - target_node=i;
1.487 - }
1.488 - }
1.489 - //the clicked item is a node, the edge can be drawn
1.490 - if(target_node!=INVALID)
1.491 - {
1.492 - *(nodesmap[target_node]) << Gnome::Canvas::Properties::fill_color("red");
1.493 -
1.494 - //creating new edge
1.495 - active_edge=EdgeIt(g,g.addEdge(active_node, target_node));
1.496 -
1.497 - //initiating values corresponding to new edge in maps
1.498 - mapstorage.init_maps_for_edge(active_edge);
1.499 -
1.500 - //calculating coordinates of new edge
1.501 - Gnome::Canvas::Points coos;
1.502 - double x1, x2, y1, y2;
1.503 -
1.504 - active_item->get_bounds(x1, y1, x2, y2);
1.505 - coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
1.506 -
1.507 - target_item->get_bounds(x1, y1, x2, y2);
1.508 - coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2));
1.509 -
1.510 - //drawing new edge
1.511 - edgesmap[active_edge]=new BrokenEdge(displayed_graph, coos, *this);
1.512 - *(edgesmap[active_edge]) << Gnome::Canvas::Properties::fill_color("green");
1.513 - edgesmap[active_edge]->property_width_pixels().set_value(10);
1.514 -
1.515 - //redraw nodes to blank terminations of the new edge
1.516 - target_item->raise_to_top();
1.517 - active_item->raise_to_top();
1.518 -
1.519 - //initializing edge-text as well, to empty string
1.520 - xy<double> text_pos=edgesmap[active_edge]->get_arrow_pos();
1.521 - text_pos+=(xy<double>(10,10));
1.522 -
1.523 - edgetextmap[active_edge]=new Gnome::Canvas::Text(displayed_graph, text_pos.x, text_pos.y, "");
1.524 - edgetextmap[active_edge]->property_fill_color().set_value("black");
1.525 - }
1.526 - //clicked item was not a node. it could be an e.g. edge. we do not deal with it furthermore.
1.527 - else
1.528 - {
1.529 - target_item=NULL;
1.530 - }
1.531 - }
1.532 - }
1.533 - break;
1.534 - case GDK_BUTTON_RELEASE:
1.535 - isbutton=0;
1.536 - //we clear settings in two cases
1.537 - //1: the edge is ready (target_item has valid value)
1.538 - //2: the edge creation is cancelled with right button
1.539 - if((target_item)||(e->button.button==3))
1.540 - {
1.541 - if(active_item)
1.542 - {
1.543 - *active_item << Gnome::Canvas::Properties::fill_color("blue");
1.544 - active_item=NULL;
1.545 - }
1.546 - if(target_item)
1.547 - {
1.548 - *target_item << Gnome::Canvas::Properties::fill_color("blue");
1.549 - target_item=NULL;
1.550 - }
1.551 - active_node=INVALID;
1.552 - active_edge=INVALID;
1.553 - }
1.554 - break;
1.555 - default:
1.556 - break;
1.557 - }
1.558 - return false;
1.559 -}
1.560 -
1.561 -bool GraphDisplayerCanvas::eraser_event_handler(GdkEvent* e)
1.562 -{
1.563 - switch(e->type)
1.564 - {
1.565 - case GDK_BUTTON_PRESS:
1.566 - active_item=(get_item_at(e->button.x, e->button.y));
1.567 - active_node=INVALID;
1.568 - active_edge=INVALID;
1.569 - for (NodeIt i(g); i!=INVALID; ++i)
1.570 - {
1.571 - if(nodesmap[i]==active_item)
1.572 - {
1.573 - active_node=i;
1.574 - }
1.575 - }
1.576 - if(active_node==INVALID)
1.577 - {
1.578 - for (EdgeIt i(g); i!=INVALID; ++i)
1.579 - {
1.580 - if(edgesmap[i]==active_item)
1.581 - {
1.582 - active_edge=i;
1.583 - }
1.584 - }
1.585 - }
1.586 - *active_item << Gnome::Canvas::Properties::fill_color("red");
1.587 - break;
1.588 -
1.589 - case GDK_BUTTON_RELEASE:
1.590 - if(active_item==(get_item_at(e->button.x, e->button.y)))
1.591 - {
1.592 - if(active_node!=INVALID)
1.593 - {
1.594 -
1.595 - //collecting edges to delete
1.596 - EdgeIt e;
1.597 - std::set<Graph::Edge> edges_to_delete;
1.598 -
1.599 - g.firstOut(e,active_node);
1.600 - for(;e!=INVALID;g.nextOut(e))
1.601 - {
1.602 - edges_to_delete.insert(e);
1.603 - }
1.604 -
1.605 - g.firstIn(e,active_node);
1.606 - for(;e!=INVALID;g.nextIn(e))
1.607 - {
1.608 - edges_to_delete.insert(e);
1.609 - }
1.610 -
1.611 - //deleting collected edges
1.612 - for(std::set<Graph::Edge>::iterator edge_set_it=edges_to_delete.begin();edge_set_it!=edges_to_delete.end();edge_set_it++)
1.613 - {
1.614 - delete_item(*edge_set_it);
1.615 - }
1.616 - delete_item(active_node);
1.617 - }
1.618 - //a simple edge was chosen
1.619 - else
1.620 - {
1.621 - delete_item(active_edge);
1.622 - }
1.623 -
1.624 -
1.625 - }
1.626 - //pointer was moved, deletion is cancelled
1.627 - else
1.628 - {
1.629 - if(active_node!=INVALID)
1.630 - {
1.631 - *active_item << Gnome::Canvas::Properties::fill_color("blue");
1.632 - }
1.633 - else
1.634 - {
1.635 - *active_item << Gnome::Canvas::Properties::fill_color("green");
1.636 - }
1.637 - }
1.638 - //reseting datas
1.639 - active_item=NULL;
1.640 - active_edge=INVALID;
1.641 - active_node=INVALID;
1.642 - break;
1.643 -
1.644 - case GDK_MOTION_NOTIFY:
1.645 - break;
1.646 -
1.647 - default:
1.648 - break;
1.649 - }
1.650 - return true;
1.651 -}
1.652 -
1.653 -void GraphDisplayerCanvas::delete_item(NodeIt node_to_delete)
1.654 -{
1.655 - delete(nodesmap[node_to_delete]);
1.656 - g.erase(node_to_delete);
1.657 -}
1.658 -
1.659 -void GraphDisplayerCanvas::delete_item(EdgeIt edge_to_delete)
1.660 -{
1.661 - delete(edgesmap[edge_to_delete]);
1.662 - g.erase(edge_to_delete);
1.663 -}
1.664 -
1.665 -void GraphDisplayerCanvas::delete_item(Graph::Edge edge_to_delete)
1.666 -{
1.667 - delete(edgesmap[edge_to_delete]);
1.668 - g.erase(edge_to_delete);
1.669 -}
1.670 -
1.671 -void GraphDisplayerCanvas::text_reposition(xy<double> new_place)
1.672 -{
1.673 - new_place+=(xy<double>(10,10));
1.674 - edgetextmap[active_edge]->property_x().set_value(new_place.x);
1.675 - edgetextmap[active_edge]->property_y().set_value(new_place.y);
1.676 -}
1.677 -
1.678 -void GraphDisplayerCanvas::toggle_edge_activity(BrokenEdge* active_bre, bool on)
1.679 -{
1.680 - if(on)
1.681 - {
1.682 - if(active_edge!=INVALID)
1.683 - {
1.684 - std::cout << "ERROR!!!! Valid edge found!" << std::endl;
1.685 - }
1.686 - else
1.687 - {
1.688 - for (EdgeIt i(g); i!=INVALID; ++i)
1.689 - {
1.690 - if(edgesmap[i]==active_bre)
1.691 - {
1.692 - active_edge=i;
1.693 - }
1.694 - }
1.695 - }
1.696 - }
1.697 - else
1.698 - {
1.699 - if(active_edge!=INVALID)
1.700 - {
1.701 - active_edge=INVALID;
1.702 - }
1.703 - else
1.704 - {
1.705 - std::cout << "ERROR!!!! Invalid edge found!" << std::endl;
1.706 - }
1.707 - }
1.708 -
1.709 -}