/**
* Assigns a unique number to each task in a list of list of tasks starting from 1 within each
* list of task
*
* @param list A list of list of tasks
*/
private void numberTaskArrayList(ArrayList<ArrayList<Task>> list) {
int taskNum = 1;
for (ArrayList<Task> listT : list) {
taskNum = 1;
for (Task t : listT) {
t.setTaskNumber(taskNum + "");
taskNum++;
}
}
}
/** Undo the command */
@Override
public void undo() {
logger.log(Level.INFO, "Command UNDO DELETE");
taskList = storage.getTaskList();
ArrayList<Task> displayList = MainLogic.getDisplayList();
for (int i = 0; i < userInput.getTasksToDelete().size(); i++) {
Task task = userInput.getTasksToDelete().get(i);
if (task.isRecurring() && userInput.getIsAll()) {
Task t = task.getHead();
for (int j = 0; j < userInput.getRecurList().size(); j++) {
taskList.add(userInput.getRecurList().get(j));
if (!displayList.equals(taskList)) {
displayList.add(userInput.getRecurList().get(j));
}
}
t.setRecurList(userInput.getRecurList());
} else if (task.isRecurring()) {
taskList.add(task);
if (!displayList.equals(taskList)) {
displayList.add(task);
}
Task t = task.getHead();
t.getRecurList().add(task);
} else {
taskList.add(task);
if (!displayList.equals(taskList)) {
displayList.add(task);
}
}
}
storage.saveFile();
feedback.setMessage(MSG_SUCCESS_UNDO);
}
/**
* Returns the type of task as a string description.
*
* @param task : The task type to be checked.
* @return The string description of the task type.
*/
private String getTaskTypeString(Task task) {
String type;
int taskType = task.getTaskType();
switch (taskType) {
case 1:
type = TYPE_EVENT;
break;
case 2:
type = TYPE_FLOATING;
break;
case 4:
type = TYPE_DEADLINE;
break;
default:
logger.log(Level.WARNING, "Invalid delete type.");
type = null;
}
return type;
}
/** Execute the command */
@Override
public void execute() {
boolean success = false;
logger.log(Level.INFO, "Command DELETE");
taskList = storage.getTaskList();
ArrayList<Task> displayList = MainLogic.getDisplayList();
Task task = null;
for (int i = 0; i < userInput.getTasksToDelete().size(); i++) {
task = userInput.getTasksToDelete().get(i);
if (task.isRecurring() && userInput.getIsAll()) {
Task t = task.getHead();
for (int j = 0; j < t.getRecurList().size(); j++) {
taskList.remove(t.getRecurList().get(j));
displayList.remove(t.getRecurList().get(j));
}
userInput.setRecurList(t.getRecurList());
t.setRecurList(new ArrayList<Task>());
} else if (task.isRecurring()) {
taskList.remove(task);
displayList.remove(task);
Task t = task.getHead();
t.getRecurList().remove(task);
} else {
taskList.remove(task);
displayList.remove(task);
}
}
success = true;
if (!storage.saveFile()) {
feedback.setMessage(MSG_FAIL_FILE_SAVE);
} else if (success) {
if (userInput.getDeleteNumber().size() > 1) {
feedback.setMessage(MSG_SUCCESS_DELETE_MULTIPLE);
} else {
feedback.setMessage(
String.format(
MSG_SUCCESS_DELETE,
getTaskTypeString(task),
userInput.getDeleteNumber().get(0)[1]));
}
} else {
if (userInput.getDeleteNumber().size() > 1) {
feedback.setMessage(MSG_FAIL_INDEX_OOB_MULTIPLE);
;
} else {
feedback.setMessage(
String.format(
MSG_FAIL_INDEX_OOB,
getTaskTypeString(task),
userInput.getDeleteNumber().get(0)[1]));
}
}
}
/** Redo the command */
@Override
public void redo() {
logger.log(Level.INFO, "Command REDO DELETE");
taskList = storage.getTaskList();
ArrayList<Task> displayList = MainLogic.getDisplayList();
for (int i = 0; i < userInput.getTasksToDelete().size(); i++) {
Task task = userInput.getTasksToDelete().get(i);
if (task.isRecurring() && userInput.getIsAll()) {
Task t = task.getHead();
for (int j = 0; j < t.getRecurList().size(); j++) {
taskList.remove(t.getRecurList().get(j));
displayList.remove(t.getRecurList().get(j));
}
userInput.setRecurList(t.getRecurList());
t.setRecurList(new ArrayList<Task>());
} else if (task.isRecurring()) {
taskList.remove(task);
displayList.remove(task);
Task t = task.getHead();
t.getRecurList().remove(task);
} else {
taskList.remove(task);
displayList.remove(task);
}
}
storage.saveFile();
feedback.setMessage(MSG_SUCCESS_REDO);
}
