View.cpp

#include "View.h"
#include <unordered_map>
#include <functional>
#include <iostream>
#include <string>
#include <limits>

void View::show() const
{
    bool running = true;
    std::unordered_map<std::string, std::function<void()>> commands = {
        { "help", [this]() { 
                if (onActionHelpTriggered)
                    onActionHelpTriggered();
        } },
        { "add", [this]() {
                std::string name;
                std::cout << "Enter the document name: ";
                std::cin >> name;
                if (onActionAddTriggered)
                    onActionAddTriggered(name);
                std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
        } },
        { "import", [this]() {
                std::string name;
                std::cout << "Enter the path to the file: ";
                std::cin >> name;
                
                if (onActionImportTriggered)
                    onActionImportTriggered(name);
                std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
        } },
        { "export", [this]() {
                std::string name;
                std::cout << "Enter the path to the file: ";
                std::cin >> name;
                if (onActionExportTriggered)
                    onActionExportTriggered(name);
                std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
        } },
        { "insertGr", [this]() {
                std::string type;
                std::cout << "Enter the type of grObject (Line, Circle, Rectangle): " << std::endl;
                std::cin >> type;
                if (onActionInsertGrObjectTriggered)
                    onActionInsertGrObjectTriggered(type);
                std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
        } },
        { "listGr", [this]() {
                if (onActionListGrObjectTriggered)
                    onActionListGrObjectTriggered();
        } },
        { "removeGr", [this]() {
                std::string id;
                std::cout << "Enter ID of grObject: ";
                std::cin >> id;
                if (onActionRemoveGrObjectTriggered)
                    onActionRemoveGrObjectTriggered(id);
                std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
        } },
        { "exit", [&running]() {
            std::cout << "Exit...";
            running = false;
        } },
    };
    while (running) {
        std::cout << "Enter command: ";
        std::string input;
        std::getline(std::cin, input);
        if (auto it = commands.find(input); it != commands.end()) {
            it->second();
        }
        else
            std::cerr << "Error! Unknown command. 'help' to observer command list\n";
    }
}