/*
   * (non-Javadoc)
   *
   * @seeorg.jvnet.flamingo.common.ui.BasicCommandButtonUI#
   * paintButtonVerticalSeparator(java.awt.Graphics, int)
   */
  @Override
  protected void paintButtonVerticalSeparator(Graphics graphics, Rectangle separatorArea) {
    Graphics2D g2d = (Graphics2D) graphics.create();
    g2d.translate(separatorArea.x, 0);

    SubstanceColorScheme colorScheme =
        SubstanceColorSchemeUtilities.getColorScheme(
            this.commandButton,
            ColorSchemeAssociationKind.SEPARATOR,
            ComponentState.getState(this.commandButton.getActionModel(), this.commandButton));

    float fadeAlpha = this.getSeparatorAlpha();
    g2d.setComposite(AlphaComposite.SrcOver.derive(fadeAlpha));

    SeparatorPainterUtils.paintSeparator(
        this.commandButton,
        g2d,
        colorScheme,
        1,
        this.commandButton.getHeight(),
        JSlider.VERTICAL,
        true,
        4,
        4,
        true);

    g2d.dispose();
  }
  /*
   * (non-Javadoc)
   *
   * @see
   * org.jvnet.flamingo.common.ui.BasicCommandButtonUI#paintButtonBackground
   * (java.awt.Graphics, java.awt.Rectangle)
   */
  @Override
  protected void paintButtonBackground(Graphics graphics, Rectangle toFill) {
    if (SubstanceCoreUtilities.isButtonNeverPainted(this.commandButton)) return;

    ButtonModel actionModel = this.commandButton.getActionModel();
    PopupButtonModel popupModel = ((JCommandButton) this.commandButton).getPopupModel();
    Rectangle actionArea = this.getLayoutInfo().actionClickArea;
    Rectangle popupArea = this.getLayoutInfo().popupClickArea;

    BufferedImage fullAlphaBackground =
        CommandButtonBackgroundDelegate.getCombinedCommandButtonBackground(
            this.commandButton, actionModel, actionArea, popupModel, popupArea);

    // Two special cases here:
    // 1. Button has flat appearance and doesn't show the popup
    // 2. Button is disabled.
    // For both cases, we need to set custom translucency.
    boolean isFlat =
        this.commandButton.isFlat()
            && !((JCommandButton) this.commandButton).getPopupModel().isPopupShowing();
    boolean isSpecial = isFlat || !this.commandButton.isEnabled();
    float extraAlpha = 1.0f;
    if (isSpecial) {
      if (isFlat) {
        float extraActionAlpha = 0.0f;
        for (Map.Entry<ComponentState, StateTransitionTracker.StateContributionInfo> activeEntry :
            getActionTransitionTracker().getModelStateInfo().getStateContributionMap().entrySet()) {
          ComponentState activeState = activeEntry.getKey();
          if (activeState.isDisabled()) continue;
          if (activeState == ComponentState.ENABLED) continue;
          extraActionAlpha += activeEntry.getValue().getContribution();
        }
        float extraPopupAlpha = 0.0f;
        for (Map.Entry<ComponentState, StateTransitionTracker.StateContributionInfo> activeEntry :
            getPopupTransitionTracker().getModelStateInfo().getStateContributionMap().entrySet()) {
          ComponentState activeState = activeEntry.getKey();
          if (activeState.isDisabled()) continue;
          if (activeState == ComponentState.ENABLED) continue;
          extraPopupAlpha += activeEntry.getValue().getContribution();
        }
        extraAlpha = Math.max(extraActionAlpha, extraPopupAlpha);
      } else {
        ComponentState actionAreaState = ComponentState.getState(actionModel, this.commandButton);
        if (actionAreaState.isDisabled()) {
          extraAlpha = SubstanceColorSchemeUtilities.getAlpha(this.commandButton, actionAreaState);
        }
      }
    }
    // System.out.println(extraAlpha);
    extraAlpha = Math.min(1.0f, extraAlpha);
    if (extraAlpha > 0.0f) {
      Graphics2D g2d = (Graphics2D) graphics.create();
      g2d.setComposite(
          LafWidgetUtilities.getAlphaComposite(this.commandButton, extraAlpha, graphics));
      g2d.drawImage(fullAlphaBackground, 0, 0, null);
      g2d.dispose();
    }
  }
  /*
   * (non-Javadoc)
   *
   * @see
   * org.jvnet.flamingo.common.ui.BasicCommandButtonUI#paintButtonIcon(java
   * .awt.Graphics, java.awt.Rectangle)
   */
  @Override
  protected void paintButtonIcon(Graphics g, Rectangle iconRect) {
    JCommandButton jcb = (JCommandButton) this.commandButton;
    Icon regular = jcb.getIcon();
    if (toUseDisabledIcon()
        && (jcb.getDisabledIcon() != null)
        && ((regular != null) && !regular.getClass().isAnnotationPresent(TransitionAware.class)))
      regular = jcb.getDisabledIcon();

    if ((iconRect == null)
        || (regular == null)
        || (iconRect.width == 0)
        || (iconRect.height == 0)) {
      return;
    }

    boolean useThemed = SubstanceCoreUtilities.useThemedDefaultIcon(this.commandButton);
    if (regular != null) {
      Graphics2D g2d = (Graphics2D) g.create();

      GhostPaintingUtils.paintGhostIcon(g2d, jcb, regular, iconRect);
      g2d.setComposite(LafWidgetUtilities.getAlphaComposite(jcb, g));

      if (!useThemed) {
        regular.paintIcon(jcb, g2d, iconRect.x, iconRect.y);
      } else {
        StateTransitionTracker tracker =
            this.substanceVisualStateTracker.getActionStateTransitionTracker();
        ButtonModel model = commandButton.getActionModel();
        if (jcb.getCommandButtonKind() == CommandButtonKind.POPUP_ONLY) {
          tracker = this.substanceVisualStateTracker.getPopupStateTransitionTracker();
          model = jcb.getPopupModel();
        }
        CommandButtonBackgroundDelegate.paintThemedCommandButtonIcon(
            g2d, iconRect, jcb, regular, model, tracker);
      }
      g2d.dispose();
    }
  }