Changeset 53:e73d7540bd24 in glemon-0.x for graph_displayer_canvas.cc

Timestamp:

07/29/05 14:01:37 (19 years ago)

Author:

Akos Ladanyi

Branch:

gui

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk/gui@2111

Message:

added support for saving files

File:

• graph_displayer_canvas.cc (modified) (4 diffs)

graph_displayer_canvas.cc

@@ -1 @@
-#include <graph_displayer_canvas.h>
-#include <broken_edge.h>
+#include "graph_displayer_canvas.h"
+#include "broken_edge.h"
 #include <math.h>
 
-GraphDisplayerCanvas::GraphDisplayerCanvas(Graph & gr, CoordinatesMap & cm, MapStorage & ms, MapWin * mw):g(gr),nodesmap(g),edgesmap(g),edgetextmap(g),nodetextmap(g),displayed_graph(*(root()), 0, 0),canvasentrywidget(NULL),mapstorage(ms),isbutton(0),active_item(NULL),target_item(NULL),nodemap_to_edit(""),edgemap_to_edit(""),mapwin(mw)
+GraphDisplayerCanvas::GraphDisplayerCanvas(MapStorage & ms, MapWin & mw) :
+  nodesmap(ms.graph), edgesmap(ms.graph), edgetextmap(ms.graph),
+  nodetextmap(ms.graph), displayed_graph(*(root()), 0, 0),
+  canvasentrywidget(NULL), mapstorage(ms), isbutton(0), active_item(NULL),
+  target_item(NULL), nodemap_to_edit(""), edgemap_to_edit(""), mapwin(mw)
 {
-  
-  //Initializing values.
-  active_node=INVALID;
-  active_edge=INVALID;
-  forming_edge=INVALID;
+  //base event handler is move tool
+  actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::moveEventHandler), false);
+  actual_tool=MOVE;
 
   //setting event handler for the editor widget
   entrywidget.signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::entryWidgetChangeHandler), false);
 
-  //base event handler is move tool
-  actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::moveEventHandler), false);
-  actual_tool=MOVE;
+  active_node=INVALID;
+  active_edge=INVALID;
+  forming_edge=INVALID;
+}
 
-  //set_center_scroll_region(true);
+GraphDisplayerCanvas::~GraphDisplayerCanvas()
+{
+  for (NodeIt n(mapstorage.graph); n != INVALID; ++n)
+  {
+    delete nodesmap[n];
+    delete nodetextmap[n];
+  }
 
+  for (EdgeIt e(mapstorage.graph); e != INVALID; ++e)
+  {
+    delete edgesmap[e];
+    delete edgetextmap[e];
+  }
+
+  if(canvasentrywidget)
+  {
+    delete(canvasentrywidget);
+  }
+}
+
+void GraphDisplayerCanvas::drawGraph()
+{
   //first edges are drawn, to hide joining with nodes later
 
-  for (EdgeIt i(g); i!=INVALID; ++i)
+  for (EdgeIt i(mapstorage.graph); i!=INVALID; ++i)
   {
 
-    //drawing green lines, coordinates are from cm
+    //drawing green lines, coordinates are from mapstorage.coords
 
     Gnome::Canvas::Points coos;
-    coos.push_back(Gnome::Art::Point(cm[g.source(i)].x,cm[g.source(i)].y));
-    coos.push_back(Gnome::Art::Point(cm[g.target(i)].x,cm[g.target(i)].y));
+    coos.push_back(Gnome::Art::Point(
+          mapstorage.coords[mapstorage.graph.source(i)].x,
+          mapstorage.coords[mapstorage.graph.source(i)].y));
+    coos.push_back(Gnome::Art::Point(
+          mapstorage.coords[mapstorage.graph.target(i)].x,
+          mapstorage.coords[mapstorage.graph.target(i)].y));
     
     edgesmap[i]=new BrokenEdge(displayed_graph, coos, *this);
@@ -47 +74 @@
   //afterwards nodes come to be drawn
 
-  NodeIt i(g);
-  int maxx=0, maxy=0, minx=(int)cm[i].x, miny=(int)cm[i].y;
-
-  for (; i!=INVALID; ++i)
+  for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)
   {
-    //minimum and maximum is gathered to be able to zoom to the graph correctly (whole figure should be seen)
-
-    if(cm[i].x>maxx)maxx=(int)cm[i].x;
-    if(cm[i].y>maxy)maxy=(int)cm[i].y;
-    if(cm[i].x<minx)minx=(int)cm[i].x;
-    if(cm[i].y<miny)miny=(int)cm[i].y;
-
     //drawing bule nodes, with black line around them
 
-    nodesmap[i]=new Gnome::Canvas::Ellipse(displayed_graph, cm[i].x-20, cm[i].y-20, cm[i].x+20, cm[i].y+20);
+    nodesmap[i]=new Gnome::Canvas::Ellipse(
+        displayed_graph,
+        mapstorage.coords[i].x-20,
+        mapstorage.coords[i].y-20,
+        mapstorage.coords[i].x+20,
+        mapstorage.coords[i].y+20);
     *(nodesmap[i]) << Gnome::Canvas::Properties::fill_color("blue");
     *(nodesmap[i]) << Gnome::Canvas::Properties::outline_color("black");
@@ -67 +89 @@
     //initializing edge-text as well, to empty string
 
-    xy<double> text_pos((cm[i].x+node_property_defaults[N_RADIUS]+5),(cm[i].y+node_property_defaults[N_RADIUS]+5));
+    xy<double> text_pos(
+        (mapstorage.coords[i].x+node_property_defaults[N_RADIUS]+5),
+        (mapstorage.coords[i].y+node_property_defaults[N_RADIUS]+5));
 
-    nodetextmap[i]=new Gnome::Canvas::Text(displayed_graph, text_pos.x, text_pos.y, "");
+    nodetextmap[i]=new Gnome::Canvas::Text(displayed_graph,
+        text_pos.x, text_pos.y, "");
     nodetextmap[i]->property_fill_color().set_value("darkblue");
     nodetextmap[i]->signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::nodeMapEditEventHandler), false);
@@ -77 +102 @@
 }
 
-GraphDisplayerCanvas::~GraphDisplayerCanvas()
+void GraphDisplayerCanvas::clear()
 {
-  if(canvasentrywidget)
-    {
-      delete(canvasentrywidget);
-    }
+  active_node=INVALID;
+  active_edge=INVALID;
+  forming_edge=INVALID;
 
-  //writing out the end state of the graph
-  //\todo all the maps has to be write out!
-
-  Graph::NodeMap <int> id(g);
-  Graph::NodeMap <double> xc(g);
-  Graph::NodeMap <double> yc(g);
-  
-  int j=1;
-  
-  for (NodeIt i(g); i!=INVALID; ++i)
+  for (NodeIt n(mapstorage.graph); n != INVALID; ++n)
   {
-    double x1,y1,x2,y2;
-    nodesmap[i]->get_bounds(x1, y1, x2, y2);
-    
-    id[i]=j++;
-    xc[i]=(x1+x2)/2;
-    yc[i]=(y1+y2)/2;
+    delete nodesmap[n];
+    delete nodetextmap[n];
   }
 
-  GraphWriter<Graph> writer(std::cout,g);
-  
-  writer.writeNodeMap("id", id);
-  writer.writeNodeMap("coordinates_x", xc);
-  writer.writeNodeMap("coordinates_y", yc);
-  writer.run();
+  for (EdgeIt e(mapstorage.graph); e != INVALID; ++e)
+  {
+    delete edgesmap[e];
+    delete edgetextmap[e];
+  }
 }