Exemplo n.º 1
0
  private int setTypeTextLabel(
      LookupElement item,
      final Color background,
      Color foreground,
      final LookupElementPresentation presentation,
      int allowedWidth,
      boolean selected,
      boolean nonFocusedSelection,
      FontMetrics normalMetrics) {
    final String givenText = presentation.getTypeText();
    final String labelText =
        trimLabelText(
            StringUtil.isEmpty(givenText) ? "" : " " + givenText, allowedWidth, normalMetrics);

    int used = RealLookupElementPresentation.getStringWidth(labelText, normalMetrics);

    final Icon icon = presentation.getTypeIcon();
    if (icon != null) {
      myTypeLabel.setIcon(icon);
      used += icon.getIconWidth();
    }

    Color sampleBackground = background;

    Object o = item.isValid() ? item.getObject() : null;
    //noinspection deprecation
    if (o instanceof LookupValueWithUIHint && StringUtil.isEmpty(labelText)) {
      //noinspection deprecation
      Color proposedBackground = ((LookupValueWithUIHint) o).getColorHint();
      if (proposedBackground != null) {
        sampleBackground = proposedBackground;
      }
      myTypeLabel.append("  ");
      used += normalMetrics.stringWidth("WW");
    } else {
      myTypeLabel.append(labelText);
    }

    myTypeLabel.setBackground(sampleBackground);
    myTypeLabel.setForeground(
        getTypeTextColor(item, foreground, presentation, selected, nonFocusedSelection));
    return used;
  }
Exemplo n.º 2
0
  @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;
  }