Merge pull request #99 from JWweiyin/master

Edit add function

.gitignore

@@ -23,4 +23,7 @@ text-ui-test/EXPECTED-UNIX.TXT
 *.log
 
 # data files
-/data/
+/data/
+
+# manifest files
+*.MF

src/main/java/seedu/cardli/commands/deck/AddCardCommand.java

@@ -32,24 +32,28 @@ public CommandResult execute() {
             }
             String[] rawParameters = parser.parseArguments(super.arguments);
 
-            if (rawParameters.length < 4) {
+            if (rawParameters.length < 3) {
                 throw new FieldEmptyException(FIELD_EMPTY_ERROR_MESSAGE);
             }
-
-            if (!rawParameters[0].equalsIgnoreCase("/f") || !rawParameters[2].equalsIgnoreCase("/b")) {
-                throw new InvalidCommandFormatException(WRONG_ORDER_ERROR_MESSAGE);
+
+            String front = "";
+            String back = "";
+            if (arguments.indexOf("/f") < arguments.indexOf("/b")) {
+                front = rawParameters[1].trim();
+                back = rawParameters[2].trim();
+            } else if (arguments.indexOf("/b") < arguments.indexOf("/f")) {
+                back = rawParameters[1].trim();
+                front = rawParameters[2].trim();
             }
 
-            String front = rawParameters[1];
-            String back = rawParameters[3];
 
             if (front.isEmpty() || back.isEmpty()) {
                 throw new FieldEmptyException(FIELD_EMPTY_ERROR_MESSAGE);
             }
 
             String[] parameters = {front, back};
             result = new CommandResult(deck.prepareToAddFlashCard(parameters));
-        } catch (FieldEmptyException | InvalidCommandFormatException e) {
+        } catch (FieldEmptyException e) {
             result = new CommandResult(e.getMessage());
         }
         return result;

src/main/java/seedu/cardli/parser/deck/AddCardParser.java

@@ -17,7 +17,7 @@ public AddCardParser() {
 
     @Override
     public String[] parseArguments(String arguments) { //add /f <front> /b <back>
-        String[] parameters = arguments.trim().split(" ", 4);
+        String[] parameters = arguments.trim().split("/f|/b", 3);
         return parameters;
     }
 }