/**
* Constructor
*
* @param view
* @param model
*/
public Presenter(View view, Model model) {
this.view = view;
this.model = model;
this.properties = new Properties();
properties.defaultProp();
model.setProperties(properties);
this.commandMap = new HashMap<String, Command>();
commandMap.put("dir", new Dir(this));
commandMap.put("generate", new Generate(this));
commandMap.put("display", new Display(this));
commandMap.put("save", new Save(this));
commandMap.put("load", new Load(this));
commandMap.put("maze", new MazeSize(this));
commandMap.put("file", new FileSize(this));
commandMap.put("solve", new Solve(this));
commandMap.put("move", new Moves(this));
commandMap.put("exit", new Exit(this));
view.setCommand(commandMap);
}
/**
* This method is used to work according to the observable that received.
*
* @param observable
* @param obj
*/
@Override
public void update(Observable observable, Object obj) {
if (observable == view) {
if (((obj.getClass()).getName()).equals("presenter.Properties")) {
Properties prop = (Properties) obj;
model.setProperties(prop);
} else {
Command command;
String line = (String) obj;
command = commandMap.get(line.split(" ")[0]);
if (command != null) {
if (line.split(" ").length > 0) {
command.doCommand(line.substring(line.indexOf(' ') + 1));
} else {
command.doCommand("");
}
} else {
view.display("Invalid command");
}
}
} else if (observable == model) {
String line = (String) obj;
String[] tempArr = line.split(" ");
switch (tempArr[0]) {
case "mazeIsReady":
Maze3d maze = (Maze3d) model.getUserCommand(line);
view.displayMaze(maze);
view.displayPosition(maze.getStartPosition());
break;
case "displayCrossSectionBy":
view.displayCrossSectionBy((int[][]) model.getUserCommand(line));
break;
case "saveMaze":
view.display("maze is saved successfully in file " + (String) model.getUserCommand(line));
break;
case "loadMaze":
Maze3d myMaze = (Maze3d) model.getUserCommand(line);
view.displayMaze(myMaze);
view.displayPosition(myMaze.getStartPosition());
break;
case "mazeSize":
view.display("size maze in memory is: " + (int) model.getUserCommand(line));
break;
case "fileSize":
view.display("file size is: " + (int) model.getUserCommand(line));
break;
case "solutionIsReady":
view.displaySolution(model.getMazeSolution((String) model.getUserCommand(line)));
break;
case "loadZip":
view.display("The maze has loaded from " + (String) model.getUserCommand(line));
break;
case "saveZip":
view.display("file is saved to " + (String) model.getUserCommand(line));
break;
case "move":
view.displayMaze(model.getMaze3d((String) model.getUserCommand(line)));
view.displayPosition(model.getPositionFromHash((String) model.getUserCommand(line)));
break;
case "exit":
view.display("The system is shutting down");
break;
case "null":
view.display("Maze " + (String) model.getUserCommand(line) + " is not exist");
break;
case "Invalid":
switch (tempArr[1]) {
case "parameters":
view.display("Invalid parameters");
break;
case "index":
view.display("Invalid index");
break;
case "file":
view.display("The file " + (String) model.getUserCommand(line) + " is not exist");
break;
case "compress":
view.display("Cannot collapse the " + (String) model.getUserCommand(line));
break;
case "maze":
view.display(
"There is error with the " + (String) model.getUserCommand(line) + " maze");
case "algorithm":
view.display("Invalid algorithm");
break;
case "solution":
view.display("Solution for " + (String) model.getUserCommand(line) + " is not exist");
break;
default:
view.display("Invalid parameters");
break;
}
break;
default:
view.display("Invalid command");
break;
}
}
}