Documentation of NewMapWin.
1.1 --- a/gui/main_win.cc Wed Jan 11 15:06:17 2006 +0000
1.2 +++ b/gui/main_win.cc Wed Jan 11 15:49:06 2006 +0000
1.3 @@ -457,7 +457,7 @@
1.4 void MainWin::createNewMapWinTabString(std::string tabname, bool itisedge)
1.5 {
1.6 int i=0;
1.7 - for(;((i<tabnames.size())&&(tabnames[i]!=tabname));i++)
1.8 + for(;((i<(int)tabnames.size())&&(tabnames[i]!=tabname));i++)
1.9 {
1.10 }
1.11 createNewMapWinAfterSignal(tabs[i], itisedge);
2.1 --- a/gui/new_map_win.h Wed Jan 11 15:06:17 2006 +0000
2.2 +++ b/gui/new_map_win.h Wed Jan 11 15:49:06 2006 +0000
2.3 @@ -11,52 +11,124 @@
2.4 #include <libgnomecanvasmm/polygon.h>
2.5 #include <stack>
2.6
2.7 +///Graphical interface for node/edge map creation.
2.8 +
2.9 ///This class is responsible for creating a window,
2.10 ///on which the parameters of a new map can be set.
2.11 -
2.12 class NewMapWin : public Gtk::Dialog
2.13 {
2.14 + ///The \ref NoteBookTab in which the new map has to be placed.
2.15 NoteBookTab & mytab;
2.16
2.17 public:
2.18 +
2.19 + ///Struct to be able to evaluate expressions.
2.20 +
2.21 + ///Initial values of map elements can be given
2.22 + ///by numbers or by expressions. From expressions
2.23 + ///we build first a tree. This is the data structure
2.24 + ///that can store one tree element.
2.25 struct tree_node
2.26 {
2.27 + ///Character stored in this tree element
2.28 char ch;
2.29 + ///Left child of tree element.
2.30 tree_node * left_child;
2.31 + ///Right child of tree element.
2.32 tree_node * right_child;
2.33 };
2.34
2.35 - ///Constructor of NewMapWin creates the widgets shown in NewMapWin.
2.36 + ///Constructor of NewMapWin.
2.37 +
2.38 + ///It creates the widgets shown in
2.39 + ///NewMapWin.
2.40 NewMapWin(const std::string& title, NoteBookTab &, bool itisedge=true, bool edgenode=true);
2.41
2.42 - ///Signal on button is connected to this function,
2.43 - ///Therefore this function determines whether to
2.44 - ///call the map/creatort function, and if yes, it
2.45 - //tells it the attributes.(name, default value)
2.46 + ///Callback function for OK button. It creates the map.
2.47 +
2.48 + ///This function determines whether the input is correct:
2.49 + ///the name of new map must not be already used, the expression
2.50 + ///that gives tha initial values of map elements has to be valid.
2.51 + ///If input is correct it creates and registrates the new map
2.52 + ///to the correct place. (\ref mytab)
2.53 virtual void on_response(int response_id);
2.54
2.55 + ///Close window if Esc key pressed.
2.56 virtual bool closeIfEscapeIsPressed(GdkEventKey*);
2.57
2.58 - ///Function that creates a tree from an appropriately manipulated string
2.59 - tree_node * weightedString2Tree(std::string, std::vector<unsigned int> &, int);
2.60 + ///Function that creates a tree from an appropriately manipulated string.
2.61
2.62 - ///Function that creates a string from a tree by postorder reading.
2.63 - std::string postOrder(tree_node *);
2.64 + ///Tree is builded according to priorities of operations in expression given by string.
2.65 + ///Priorities are indicated in a vector that contains weights for each operation.
2.66 + ///\param to_tree string to build tree from
2.67 + ///\param weights weights (priorities)
2.68 + ///\param offset this function call is recursive. This parameter tells us,
2.69 + ///with which part of the string do we have to deal with.
2.70 + tree_node * weightedString2Tree(std::string to_tree, std::vector<unsigned int> & weights, int offset);
2.71
2.72 - std::string string2Polishform(std::string, bool);
2.73 + ///Function that creates a string from a tree by postorder reading.
2.74
2.75 - bool validVariable(std::string, bool);
2.76 + ///This is the last step of creating polishform
2.77 + ///from a given expression string.
2.78 + ///\param root the root of the tree to read through
2.79 + std::string postOrder(tree_node * root);
2.80
2.81 - void deleteTree(tree_node *);
2.82 + ///From the given expression it creates expression given in polish form.
2.83
2.84 + ///First it substitutes variables and numbers in the given expression.
2.85 + ///The substitutions will be one character long local variables.
2.86 + ///The substituted-substitution pair is registrated in \ref ch2var.
2.87 + ///After that it gives weights fo each character in substituted expression.
2.88 + ///Weights are calculated according to the priority of operations in expression.
2.89 + ///Then it creates tree (\ref tree_node) from the weighted string. (\ref weightedString2Tree)
2.90 + ///\param to_polish the string to turn into polish_form
2.91 + ///\param itisedge do we have to create an edgemap or a nodemap.
2.92 + ///It is important, because variables are maps and if expression
2.93 + ///citates a map that does not exists the expression is not valid.
2.94 + ///But to determine, whether the map exists we have to know where
2.95 + ///to search for it. And of course for a new edgemap only edgemaps can be serve with values.
2.96 + std::string string2Polishform(std::string to_polish, bool itisedge);
2.97 +
2.98 + ///Returns whether a string can be used as value in an expression.
2.99 +
2.100 + ///The given string has to be either a mapname or a number. If it is a mapname
2.101 + ///we have to know whether it is an edgemap or a nodemap.
2.102 + ///\param variable the string about the function has to determine whether it is usable in expressions
2.103 + ///\param itisedge should the mapname be between edgemaps, or nodemaps
2.104 + bool validVariable(std::string variable, bool itisedge);
2.105 +
2.106 + ///Deletes the whole tree created for translating string to polishform.
2.107 +
2.108 + ///\param root
2.109 + ///root of the tree
2.110 + void deleteTree(tree_node * root);
2.111 +
2.112 + ///Dictionary of substitutions in expression.
2.113 +
2.114 + ///Variables and numbers are substituted with one character long variables in expressions.
2.115 + ///This is the dictionary.
2.116 std::map<char, std::string> ch2var;
2.117
2.118 - Gtk::Entry name, default_value;
2.119 + ///Entry which gives us the name of new map.
2.120 + Gtk::Entry name;
2.121
2.122 + ///Entry which gives us the initial values of elements of new map.
2.123 +
2.124 + ///Initial value can be a number or an expression after that the
2.125 + ///initial value for each map element can be calculated.
2.126 + Gtk::Entry default_value;
2.127 +
2.128 + ///GTK Designing object.
2.129 Gtk::Table * table;
2.130 +
2.131 + ///Information holder in window.
2.132 Gtk::Label * label;
2.133
2.134 - Gtk::RadioButton node, edge;
2.135 + ///If selected, nodemap will be created.
2.136 + Gtk::RadioButton node;
2.137 +
2.138 + ///If selected, edgemap will be created.
2.139 + Gtk::RadioButton edge;
2.140 };
2.141
2.142 #endif //NEWMAPWIN_H