1 | #include "graph_displayer_canvas.h" |
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2 | #include <cmath> |
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3 | |
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4 | GraphDisplayerCanvas::GraphDisplayerCanvas(NoteBookTab & mainw) : |
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5 | nodesmap(mainw.mapstorage.graph), edgesmap(mainw.mapstorage.graph), edgetextmap(mainw.mapstorage.graph), |
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6 | nodetextmap(mainw.mapstorage.graph), displayed_graph(*(root()), 0, 0), |
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7 | isbutton(0), active_item(NULL), target_item(NULL), nodemap_to_edit(""), |
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8 | edgemap_to_edit(""), mytab(mainw) |
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9 | { |
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10 | //base event handler is move tool |
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11 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::moveEventHandler), false); |
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12 | actual_tool=MOVE; |
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13 | |
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14 | active_node=INVALID; |
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15 | active_edge=INVALID; |
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16 | forming_edge=INVALID; |
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17 | } |
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18 | |
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19 | GraphDisplayerCanvas::~GraphDisplayerCanvas() |
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20 | { |
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21 | for (NodeIt n((mytab.mapstorage).graph); n != INVALID; ++n) |
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22 | { |
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23 | delete nodesmap[n]; |
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24 | delete nodetextmap[n]; |
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25 | } |
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26 | |
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27 | for (EdgeIt e((mytab.mapstorage).graph); e != INVALID; ++e) |
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28 | { |
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29 | delete edgesmap[e]; |
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30 | delete edgetextmap[e]; |
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31 | } |
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32 | } |
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33 | |
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34 | void GraphDisplayerCanvas::propertyChange(bool itisedge, int prop) |
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35 | { |
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36 | if(itisedge) |
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37 | { |
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38 | propertyUpdate(Edge(INVALID), prop); |
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39 | } |
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40 | else |
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41 | { |
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42 | propertyUpdate(Node(INVALID), prop); |
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43 | } |
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44 | } |
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45 | |
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46 | void GraphDisplayerCanvas::propertyUpdate(Edge edge) |
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47 | { |
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48 | for(int i=0;i<EDGE_PROPERTY_NUM;i++) |
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49 | { |
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50 | propertyUpdate(edge, i); |
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51 | } |
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52 | } |
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53 | |
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54 | void GraphDisplayerCanvas::propertyUpdate(Node node) |
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55 | { |
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56 | for(int i=0;i<NODE_PROPERTY_NUM;i++) |
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57 | { |
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58 | propertyUpdate(node, i); |
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59 | } |
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60 | } |
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61 | |
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62 | void GraphDisplayerCanvas::propertyUpdate(Node node, int prop) |
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63 | { |
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64 | //dummy=dummy; |
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65 | |
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66 | std::string mapname=mytab.getActiveNodeMap(prop); |
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67 | |
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68 | if(mapname!="") |
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69 | { |
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70 | if( ( ((mytab.mapstorage).nodemap_storage).find(mapname) != ((mytab.mapstorage).nodemap_storage).end() ) ) |
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71 | { |
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72 | switch(prop) |
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73 | { |
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74 | case N_RADIUS: |
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75 | changeNodeRadius(mapname, node); |
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76 | break; |
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77 | case N_COLOR: |
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78 | changeNodeColor(mapname, node); |
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79 | break; |
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80 | case N_TEXT: |
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81 | changeNodeText(mapname, node); |
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82 | break; |
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83 | default: |
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84 | std::cerr<<"Error\n"; |
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85 | } |
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86 | } |
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87 | } |
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88 | else //mapname=="" |
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89 | { |
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90 | Node node=INVALID; |
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91 | switch(prop) |
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92 | { |
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93 | case N_RADIUS: |
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94 | resetNodeRadius(node); |
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95 | break; |
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96 | case N_COLOR: |
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97 | resetNodeColor(node); |
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98 | break; |
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99 | case N_TEXT: |
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100 | resetNodeText(node); |
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101 | break; |
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102 | default: |
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103 | std::cerr<<"Error\n"; |
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104 | } |
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105 | } |
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106 | |
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107 | } |
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108 | |
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109 | void GraphDisplayerCanvas::propertyUpdate(Edge edge, int prop) |
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110 | { |
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111 | //dummy=dummy; |
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112 | |
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113 | std::string mapname=mytab.getActiveEdgeMap(prop); |
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114 | |
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115 | if(mapname!="") |
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116 | { |
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117 | if( ( ((mytab.mapstorage).edgemap_storage).find(mapname) != ((mytab.mapstorage).edgemap_storage).end() ) ) |
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118 | { |
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119 | switch(prop) |
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120 | { |
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121 | case E_WIDTH: |
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122 | changeEdgeWidth(mapname, edge); |
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123 | break; |
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124 | case E_COLOR: |
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125 | changeEdgeColor(mapname, edge); |
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126 | break; |
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127 | case E_TEXT: |
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128 | changeEdgeText(mapname, edge); |
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129 | break; |
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130 | default: |
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131 | std::cerr<<"Error\n"; |
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132 | } |
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133 | } |
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134 | } |
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135 | else //mapname=="" |
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136 | { |
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137 | switch(prop) |
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138 | { |
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139 | case E_WIDTH: |
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140 | resetEdgeWidth(edge); |
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141 | break; |
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142 | case E_COLOR: |
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143 | resetEdgeColor(edge); |
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144 | break; |
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145 | case E_TEXT: |
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146 | resetEdgeText(edge); |
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147 | break; |
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148 | default: |
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149 | std::cerr<<"Error\n"; |
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150 | } |
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151 | } |
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152 | } |
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153 | |
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154 | void GraphDisplayerCanvas::drawGraph() |
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155 | { |
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156 | //first edges are drawn, to hide joining with nodes later |
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157 | |
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158 | for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
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159 | { |
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160 | if (mytab.mapstorage.graph.source(i) == mytab.mapstorage.graph.target(i)) |
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161 | { |
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162 | edgesmap[i]=new LoopEdge(displayed_graph, i, *this); |
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163 | } |
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164 | else |
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165 | { |
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166 | edgesmap[i]=new BrokenEdge(displayed_graph, i, *this); |
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167 | } |
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168 | //initializing edge-text as well, to empty string |
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169 | |
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170 | XY text_pos=mytab.mapstorage.arrow_pos[i]; |
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171 | text_pos+=(XY(10,10)); |
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172 | |
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173 | edgetextmap[i]=new Gnome::Canvas::Text(displayed_graph, text_pos.x, text_pos.y, ""); |
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174 | edgetextmap[i]->property_fill_color().set_value("darkgreen"); |
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175 | edgetextmap[i]->signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::mapEditEventHandler), false); |
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176 | edgetextmap[i]->raise_to_top(); |
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177 | } |
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178 | |
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179 | //afterwards nodes come to be drawn |
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180 | |
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181 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
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182 | { |
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183 | //drawing bule nodes, with black line around them |
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184 | |
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185 | nodesmap[i]=new Gnome::Canvas::Ellipse( |
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186 | displayed_graph, |
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187 | (mytab.mapstorage).coords[i].x-20, |
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188 | (mytab.mapstorage).coords[i].y-20, |
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189 | (mytab.mapstorage).coords[i].x+20, |
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190 | (mytab.mapstorage).coords[i].y+20); |
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191 | *(nodesmap[i]) << Gnome::Canvas::Properties::fill_color("blue"); |
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192 | *(nodesmap[i]) << Gnome::Canvas::Properties::outline_color("black"); |
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193 | nodesmap[i]->raise_to_top(); |
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194 | |
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195 | //initializing edge-text as well, to empty string |
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196 | |
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197 | XY text_pos( |
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198 | ((mytab.mapstorage).coords[i].x+node_property_defaults[N_RADIUS]+5), |
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199 | ((mytab.mapstorage).coords[i].y+node_property_defaults[N_RADIUS]+5)); |
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200 | |
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201 | nodetextmap[i]=new Gnome::Canvas::Text(displayed_graph, |
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202 | text_pos.x, text_pos.y, ""); |
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203 | nodetextmap[i]->property_fill_color().set_value("darkblue"); |
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204 | nodetextmap[i]->signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::mapEditEventHandler), false); |
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205 | nodetextmap[i]->raise_to_top(); |
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206 | } |
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207 | |
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208 | updateScrollRegion(); |
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209 | } |
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210 | |
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211 | void GraphDisplayerCanvas::clear() |
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212 | { |
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213 | active_node=INVALID; |
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214 | active_edge=INVALID; |
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215 | forming_edge=INVALID; |
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216 | |
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217 | for (NodeIt n((mytab.mapstorage).graph); n != INVALID; ++n) |
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218 | { |
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219 | delete nodesmap[n]; |
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220 | delete nodetextmap[n]; |
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221 | } |
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222 | |
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223 | for (EdgeIt e((mytab.mapstorage).graph); e != INVALID; ++e) |
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224 | { |
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225 | delete edgesmap[e]; |
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226 | delete edgetextmap[e]; |
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227 | } |
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228 | } |
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