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#include "UserInterface.h"
#include "../Generic/List/List.hpp"
#include "../Generic/String/String.h"
#include "../Generic/ConsoleInterface/Toolbox.hpp"
#include <stdexcept>
/* Private (static) */
Table* UserInterface::table = nullptr;
String UserInterface::fileName = String();
bool UserInterface::saved = false;
void UserInterface::com_open(const char* params) {
if (table != nullptr) {
printLine("A file has already been opened!");
return;
}
try {
table = new Table(params);
fileName = params;
saved = true;
printLine("Successfully opened file!");
}
catch (std::logic_error err) {
printLine(err.what());
}
}
void UserInterface::com_close(const char* params) {
if (table == nullptr) {
printLine("No file has been opened!");
return;
}
delete table;
}
void UserInterface::com_save(const char* params) {
com_saveas(fileName.get_cstr());
}
void UserInterface::com_saveas(const char* params) {
if (table == nullptr) {
printLine("No file has been opened!");
return;
}
try {
table->saveToFile(params);
saved = true;
printLine("Successfully saved to file!");
}
catch (std::logic_error err) {
printLine(err.what());
}
}
void UserInterface::com_help(const char* params) {
std::cout << "The following commands are supported:" << std::endl
<< "print prints the whole table" << std::endl
<< "edit RxCy <data> Replaces the value on row x and column y with the given data" << std::endl
<< "open <file> opens <file>" << std::endl
<< "close closes currently opened file" << std::endl
<< "save saves the currently open file" << std::endl
<< "saveas <file> saves the currently open file in <file>" << std::endl
<< "help prints this information" << std::endl
<< "exit exists the program" << std::endl;
}
void UserInterface::com_exit(const char* params) {
if (!saved && table != nullptr) {
printLine("You have an open file with unsaved changes, please select close or save first.");
return;
}
throw std::logic_error("Exiting program..."); // stupid way of making the program stop
}
void UserInterface::com_print(const char* params) {
if (table == nullptr) {
printLine("You need to open a file!");
return;
}
List<String> cells = table->getAllCells();
printTable(cells, table->get_cols());
}
#define isDigit(a) (a >= '0' && a <= '9')
void UserInterface::com_edit(const char* params) {
if (*params != 'R') {
printLine("Error: Invalid cell position format! Expected R<number>C<number>");
return;
}
unsigned row = atoi(++params) - 1;
while (*params != 'C') {
if (*params == '\0') {
printLine("Error: End of line reached. Expected row number.");
return;
}
if (!isDigit(*params)) {
printLine("Error: Found a non-digit character. Exptected row number.");
return;
}
params++;
}
unsigned col = atoi(++params) - 1;
while (*params != ' ') {
if (*params == '\0') {
printLine("Error: End of line reached. Expected columns number.");
return;
}
if (!isDigit(*params)) {
printLine("Error: Found a non-digit character. Exptected column number.");
return;
}
params++;
}
try {
table->putCell(row, col, params);
saved = false;
printLine("Successfully edited cell!");
}
catch (std::logic_error err) {
printLine(err.what());
}
}
/* Public */
UserInterface::UserInterface() : menu() {
menu.addCommand(Command("open", com_open));
menu.addCommand(Command("close", com_close));
menu.addCommand(Command("save", com_save));
menu.addCommand(Command("saveas", com_saveas));
menu.addCommand(Command("help", com_help));
menu.addCommand(Command("exit", com_exit));
menu.addCommand(Command("print", com_print));
menu.addCommand(Command("edit", com_edit));
}
void UserInterface::run() {
menu.navigate();
}
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