Navigator.cpp

00001 #include "Navigator.h"
00002 
00003 Navigator::Navigator(Menu *root, TextLCD *lcd) :
00004         root(root), activeMenu(root), _lcd(lcd) {
00005     cursorPos = 0;
00006     printMenu();
00007 }
00008 
00009 void Navigator::printMenu() {
00010     _lcd->cls();
00011     _lcd->printf("%s\n", activeMenu->menuID);
00012     _lcd->printf(">%s\n", activeMenu->selections[cursorPos].selText);
00013 }
00014 
00015 void Navigator::actionNone() {
00016     if (_lastAction != none) {
00017 
00018     }
00019     _lastAction = none;
00020 }
00021 
00022 void Navigator::actionUp() {
00023     if (_lastAction != up) {
00024         if (cursorPos > 0) {
00025             cursorPos--;
00026             printMenu();
00027         }
00028     }
00029     _lastAction = up;
00030 }
00031 
00032 void Navigator::actionDown() {
00033     if (_lastAction != down) {
00034         if (cursorPos < (activeMenu->selections.size() - 1)) {
00035             cursorPos++;
00036             printMenu();
00037         }
00038     }
00039     _lastAction = down;
00040 }
00041 
00042 void Navigator::actionBack() {
00043     if (_lastAction != back) {
00044         if (activeMenu->parent != NULL) {
00045             activeMenu = activeMenu->parent;
00046             cursorPos = 0;
00047             printMenu();
00048         }
00049     }
00050     _lastAction = back;
00051 }
00052 
00053 void Navigator::actionEnter() {
00054     if (_lastAction != enter) {
00055         if (activeMenu->selections[cursorPos].fun != NULL) {
00056             activeMenu->selections[cursorPos].fun->call();
00057             printMenu();
00058         }
00059         if (activeMenu->selections[cursorPos].childMenu != NULL) {
00060             activeMenu = activeMenu->selections[cursorPos].childMenu;
00061             cursorPos = 0;
00062             printMenu();
00063         }
00064     }
00065     _lastAction = enter;
00066 }
00067 
00068 void Navigator::actionHome() {
00069     if (_lastAction != home) {
00070         activeMenu = root;
00071         cursorPos = 0;
00072         printMenu();
00073     }
00074     _lastAction = home;
00075 }