package caltool;

import caltool.model.CalendarTool;
import caltool.view.CalendarToolUI;
import mvp.*;

/****
 *
 * Class Main contains the main Java function for the Calendar system.  It
 * constructs instances of the model, view, and process classes for the
 * Calendar and gives control to the view, which will manage communication with
 * the end user.
 *                                                                          <p>
 * This is an initial implementation for GUI testing purposes, with no process
 * classes yet defined.
 *
 * @author Gene Fisher (gfisher@calpoly.edu)
 * @version 13apr15
 *
 */

public class Main {

    /**
     * Construct models, construct views, compose views, and fire the puppy up.
     */
    public static void main(String[] args) {
        mvp.Screen s;                       // The GUI screen
        CalendarTool calTool;           // The top-level Calendar model
        CalendarToolUI calToolUI;       // The top-level Calendar view

        /*
         * Construct the GUI screen, thereby initializing the GUI system.  In
         * this Java-based implementation, the GUI screen is managed entirely
         * by the Java runtime environment, so the only thing to do in the way
         * of screen construction is to set its look and feel, if desired.  In
         * other GUI toolkits, screen construction may involve more substantial
         * work.
         */    
        s = new mvp.Screen();

        /*
         * Construct the top-level Calendar model.  It will in turn construct
         * all subsidiary model classes and the data objects they require.
         * Note that the view parameter is null, since the view has not yet
         * been constructed.  After it is, we call the calTool.setView method,
         * which is inherited from class Model.
         */
        calTool = new CalendarTool(null);

        /*
         * Construct and compose the Calendar Tool view.  Compose will lay out
         * all GUI components, including dialogs that appear during the course
         * of user interaction.
         */
        calToolUI = new CalendarToolUI(s, calTool);
        calToolUI.compose();

        /*
         * Store the view in the model to enable two-way communication between
         * the model and the view.
         */
        calTool.setView(calToolUI);

        /*
         * Display the top-level view window on the UI screen.
         */
        calToolUI.show(10,10);

        /*
         * In Java, no call to View.run is necessary, since showing any window 
         * on the screen automatically starts the event loop.  The program
         * subsequently exits when the System.exit function is called, e.g.,
         * in response to the user choosing the File Quit menu item.
         */

    }

}