@Override
  protected int getMaxAvailablePageWidth(
      JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
    Insets insets = list.getInsets(); // OWLFrameList.ITEM_BORDER.getBorderInsets();
    int componentWidth = list.getWidth();
    JViewport vp = (JViewport) SwingUtilities.getAncestorOfClass(JViewport.class, list);
    if (vp != null) {
      componentWidth = vp.getViewRect().width;
    }

    return componentWidth
        - list.getInsets().left
        - list.getInsets().right
        - insets.left
        + insets.right
        - 20;
  }
Esempio n. 2
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  @Override
  public Component getListCellRendererComponent(
      final JList list, Object value, int index, boolean isSelected, boolean hasFocus) {

    boolean nonFocusedSelection =
        isSelected && myLookup.getFocusDegree() == LookupImpl.FocusDegree.SEMI_FOCUSED;
    if (!myLookup.isFocused()) {
      isSelected = false;
    }

    myIsSelected = isSelected;
    final LookupElement item = (LookupElement) value;
    final Color foreground = getForegroundColor(isSelected);
    final Color background =
        nonFocusedSelection
            ? SELECTED_NON_FOCUSED_BACKGROUND_COLOR
            : isSelected ? SELECTED_BACKGROUND_COLOR : BACKGROUND_COLOR;

    int allowedWidth = list.getWidth() - AFTER_TAIL - AFTER_TYPE - getIconIndent();

    FontMetrics normalMetrics = getRealFontMetrics(item, false);
    FontMetrics boldMetrics = getRealFontMetrics(item, true);
    final LookupElementPresentation presentation =
        new RealLookupElementPresentation(
            isSelected ? getMaxWidth() : allowedWidth, normalMetrics, boldMetrics, myLookup);
    AccessToken token = ReadAction.start();
    try {
      if (item.isValid()) {
        try {
          item.renderElement(presentation);
        } catch (Exception e) {
          LOG.error(e);
        } catch (Error e) {
          LOG.error(e);
        }
      } else {
        presentation.setItemTextForeground(JBColor.RED);
        presentation.setItemText("Invalid");
      }
    } finally {
      token.finish();
    }

    myNameComponent.clear();
    myNameComponent.setIcon(augmentIcon(presentation.getIcon(), myEmptyIcon));
    myNameComponent.setBackground(background);
    allowedWidth -=
        setItemTextLabel(
            item,
            new JBColor(
                isSelected ? SELECTED_FOREGROUND_COLOR : presentation.getItemTextForeground(),
                foreground),
            isSelected,
            presentation,
            allowedWidth);

    Font customFont = myLookup.getCustomFont(item, false);
    myTailComponent.setFont(customFont != null ? customFont : myNormalFont);
    myTypeLabel.setFont(customFont != null ? customFont : myNormalFont);

    myTypeLabel.clear();
    if (allowedWidth > 0) {
      allowedWidth -=
          setTypeTextLabel(
              item,
              background,
              foreground,
              presentation,
              isSelected ? getMaxWidth() : allowedWidth,
              isSelected,
              nonFocusedSelection,
              normalMetrics);
    }

    myTailComponent.clear();
    myTailComponent.setBackground(background);
    if (isSelected || allowedWidth >= 0) {
      setTailTextLabel(
          isSelected,
          presentation,
          foreground,
          isSelected ? getMaxWidth() : allowedWidth,
          nonFocusedSelection,
          normalMetrics);
    }

    if (mySelected.containsKey(index)) {
      if (!isSelected && mySelected.get(index)) {
        myPanel.setUpdateExtender(true);
      }
    }
    mySelected.put(index, isSelected);

    final double w =
        myNameComponent.getPreferredSize().getWidth()
            + myTailComponent.getPreferredSize().getWidth()
            + myTypeLabel.getPreferredSize().getWidth();

    boolean useBoxLayout =
        isSelected
            && w > list.getWidth()
            && ((JBList) list).getExpandableItemsHandler().isEnabled();
    if (useBoxLayout != myPanel.getLayout() instanceof BoxLayout) {
      myPanel.removeAll();
      if (useBoxLayout) {
        myPanel.setLayout(new BoxLayout(myPanel, BoxLayout.X_AXIS));
        myPanel.add(myNameComponent);
        myPanel.add(myTailComponent);
        myPanel.add(myTypeLabel);
      } else {
        myPanel.setLayout(new BorderLayout());
        myPanel.add(myNameComponent, BorderLayout.WEST);
        myPanel.add(myTailComponent, BorderLayout.CENTER);
        myPanel.add(myTypeLabel, BorderLayout.EAST);
      }
    }

    return myPanel;
  }