public void initGui() {
super.initGui();
this.buttonList.clear();
this.whiteListButton = new GuiImageButton(WHITE_LIST_BUTTON_ID, this.guiLeft + 7, this.guiTop + 41, GuiImageButton.ButtonImage.WHITE_LIST);
this.whiteListButton.registerListener(this);
this.buttonList.add(this.whiteListButton);
this.blackListButton = new GuiImageButton(BLACK_LIST_BUTTON_ID, this.guiLeft + 7 + 18, this.guiTop + 41, GuiImageButton.ButtonImage.BLACK_LIST);
this.blackListButton.registerListener(this);
this.buttonList.add(this.blackListButton);
this.roundRobinButton = new GuiImageButton(ROUND_ROBIN_BUTTON_ID, this.guiLeft + 7 + 36, this.guiTop + 41, GuiImageButton.ButtonImage.ROUND_ROBIN);
this.roundRobinButton.registerListener(this);
this.buttonList.add(this.roundRobinButton);
switch (pipe.getSettings().getFilterMode()) {
case WHITE_LIST: