void LoadData()
    {
        rewardItemData          = null;
        selectedRewardItemIndex = -1;

        EditorHelpers.LoadRewardItemConfigs();
        EditorHelpers.LoadRewardConfigs();
        EditorHelpers.LoadItemConfigs();
        EditorHelpers.LoadCollectibleConfigs();
    }
    bool DrawLoadService()
    {
        contentColor    = GUI.contentColor;
        backgroundColor = GUI.backgroundColor;

        EditorGUILayout.BeginHorizontal();
        GUI.backgroundColor = EditorHelpers.orangeColor;
        if (GUILayout.Button("Load", GUILayout.Width(60)))
        {
            LoadData();
        }

        GUI.backgroundColor = EditorHelpers.yellowColor;
        if (GUILayout.Button("New", GUILayout.Width(60)))
        {
            RewardItemConfigData newData = new RewardItemConfigData();
            newData.id = "New Reward Item " + newRewardItemNameSufix.ToString();
            ++newRewardItemNameSufix;
            EditorHelpers.allRewardItems.Insert(0, newData);
            EditorHelpers.InitRewardItemNames();
            selectedRewardItemIndex = 0;
            rewardItemData          = newData;
            ShowNotification(new GUIContent("New Reward Item added."));
            dirty = true;
        }
        GUI.backgroundColor = EditorHelpers.greenColor;
        if (GUILayout.Button("Save", GUILayout.Width(60)))
        {
            Save();
        }
        GUI.backgroundColor = backgroundColor;
        EditorGUILayout.EndHorizontal();

        EditorGUILayout.Separator(); EditorGUILayout.Separator(); EditorGUILayout.Separator();
        if (EditorHelpers.allRewardItems == null)
        {
            EditorGUILayout.HelpBox("It seems that there is no data... try reopening the editor.", MessageType.Error);
            return(false);
        }
        if (EditorHelpers.allRewardItems.Count > 0)
        {
            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.LabelField("Rewards:", GUILayout.Width(100));
            int oldIntValue = selectedRewardItemIndex;
            selectedRewardItemIndex = EditorGUILayout.Popup(oldIntValue, EditorHelpers.rewardItemNames, GUILayout.Width(250));
            if (oldIntValue != selectedRewardItemIndex)
            {
                rewardItemData = EditorHelpers.allRewardItems[selectedRewardItemIndex];
            }
            if (rewardItemData != null)
            {
                GUI.backgroundColor = EditorHelpers.redColor;
                if (GUILayout.Button("Delete", GUILayout.Width(70)))
                {
                    if (EditorUtility.DisplayDialog("Deleting Reward Item!", "Are you sure you want to delete reward item'" + rewardItemData.id + "'?", "Yes, Delete it.", "No!"))
                    {
                        EditorHelpers.gameDB.DeleteConfig(rewardItemData.GetTableName(), rewardItemData.id);
                        EditorHelpers.allRewardItems.Remove(rewardItemData);
                        EditorHelpers.InitRewardItemNames();
                        selectedRewardItemIndex = -1;
                        rewardItemData          = null;
                        ShowNotification(new GUIContent("Reward Item deleted."));
                        return(false);
                    }
                }
                GUI.backgroundColor = EditorHelpers.blueColor;
                if (GUILayout.Button("Duplicate", GUILayout.Width(100)))
                {
                    RewardItemConfigData newData = rewardItemData.Clone() as RewardItemConfigData;
                    newData.id = rewardItemData.id + "(Clone)";
                    EditorHelpers.allRewardItems.Insert(0, newData);
                    EditorHelpers.InitRewardItemNames();
                    selectedRewardItemIndex = 0;
                    rewardItemData          = newData;
                    ShowNotification(new GUIContent("Reward Item duplicated."));
                    dirty = true;
                }
                GUI.backgroundColor = backgroundColor;
            }
            EditorGUILayout.EndHorizontal();

            EditorGUILayout.Separator(); EditorGUILayout.Separator(); EditorGUILayout.Separator();
        }

        return(rewardItemData != null);
    }