/*
* (non-Javadoc)
*
* @see logic.command.commandList.Command#execute()
*/
public void execute() throws InvalidCommandException {
assert (dataHandler != null);
final String ERROR_MESSAGE = "Edit failed, invalid index";
if (index == NOT_SET) {
String indexString = StringHandler.getIntegerFromFirstSlot(task.getDescription());
if (indexString == null) {}
index = getIndex(indexString);
if (!dataHandler.indexValid(index)) {
throw new InvalidCommandException(ERROR_MESSAGE);
}
task.setDescription(StringHandler.removeFirstMatched(task.getDescription(), indexString));
source = dataHandler.getTask(index);
}
if (!dataHandler.indexValid(index)) {
throw new InvalidCommandException(ERROR_MESSAGE);
}
task = editSpecifiedField(source, task);
dataHandler.editTask(source, task);
undoHandler.addUndo(this);
}
/**
* Remove the some day keyword from the description
*
* @param toEditTask the task to edit
* @param someDayKeyWords the keywords for someday
*/
private void removeSomeDayKeyWord(Task toEditTask, String[] someDayKeyWords) {
String matchedWord =
StringHandler.getContainsWord(toEditTask.getDescription(), someDayKeyWords);
String newDescription =
StringHandler.removeFirstMatchedWord(toEditTask.getDescription(), matchedWord);
toEditTask.setDescription(newDescription);
}
/**
* Check if someday is specified
*
* @param toEditTask the task to edit
* @param someDayKeyWords the keywords for someday
* @return if someday is specified
*/
private boolean isSomeDaySpecified(Task toEditTask, String[] someDayKeyWords) {
boolean somedaySpecified;
if (toEditTask.getDescription() != null) {
if (StringHandler.containsWord(toEditTask.getDescription(), someDayKeyWords)) {
somedaySpecified = true;
} else somedaySpecified = false;
} else {
somedaySpecified = false;
}
return somedaySpecified;
}
/**
* Parse integer from the string
*
* @param indexString the string which contains the index
* @return the integer parsed from the string
*/
private int getIndex(String indexString) {
final int ARRAY_OFFSET = -1;
return StringHandler.parseStringToInteger(indexString) + ARRAY_OFFSET;
}
