Java UIUtil.isFullRowSelectionLAF方法代碼示例

import com.intellij.util.ui.UIUtil; //導入方法依賴的package包/類
protected void doPaintIcon(@NotNull Graphics2D g, @NotNull Icon icon, int offset) {
  final Container parent = getParent();
  Color iconBackgroundColor = null;
  if ((isOpaque() || isIconOpaque()) && !isTransparentIconBackground()) {
    if (parent != null && !myFocusBorderAroundIcon && !UIUtil.isFullRowSelectionLAF()) {
      iconBackgroundColor = parent.getBackground();
    }
    else {
      iconBackgroundColor = getBackground();
    }
  }

  if (iconBackgroundColor != null) {
    g.setColor(iconBackgroundColor);
    g.fillRect(offset, 0, icon.getIconWidth() + myIpad.left + myIconTextGap, getHeight());
  }

  paintIcon(g, icon, offset + myIpad.left);
}
 

import com.intellij.util.ui.UIUtil; //導入方法依賴的package包/類
public Component getTreeCellEditorComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row) {
  myPanel.removeAll();
  myPanel.add(myLeft.getTreeCellRendererComponent(tree, value, false, expanded, leaf, row, true), BorderLayout.WEST);
  myPanel.add(myRight.getTreeCellEditorComponent(tree, value, selected, expanded, leaf, row), BorderLayout.EAST);

  if (UIUtil.isFullRowSelectionLAF()) {
    myPanel.setBackground(selected ? UIUtil.getTreeSelectionBackground() : null);
  }
  else if (tree.getUI() instanceof WideSelectionTreeUI && ((WideSelectionTreeUI)tree.getUI()).isWideSelection()) {
    if (selected) {
      myPanel.setBackground(UIUtil.getTreeSelectionBackground());
    }
  }
  else if (selected) {
    myPanel.setBackground(UIUtil.getTreeSelectionBackground());
  }
  else {
    myPanel.setBackground(null);
  }

  if (value instanceof LoadingNode) {
    myPanel.setForeground(JBColor.GRAY);
  }
  else {
    myPanel.setForeground(tree.getForeground());
  }

  if (UIUtil.isUnderGTKLookAndFeel() ||
      UIUtil.isUnderNimbusLookAndFeel() && selected ||
      tree.getUI() instanceof WideSelectionTreeUI && ((WideSelectionTreeUI)tree.getUI()).isWideSelection()) {
    myPanel.setOpaque(false);
  }
  return myPanel;
}
 

import com.intellij.util.ui.UIUtil; //導入方法依賴的package包/類
@Override
public final Component getTreeCellRendererComponent(JTree tree,
                                                    Object value,
                                                    boolean selected,
                                                    boolean expanded,
                                                    boolean leaf,
                                                    int row,
                                                    boolean hasFocus){
  myTree = tree;

  clear();

  mySelected = selected;
  myFocusedCalculated = false;

  // We paint background if and only if tree path is selected and tree has focus.
  // If path is selected and tree is not focused then we just paint focused border.
  if (UIUtil.isFullRowSelectionLAF()) {
    setBackground(selected ? UIUtil.getTreeSelectionBackground() : null);
  }
  else if (tree.getUI() instanceof WideSelectionTreeUI && ((WideSelectionTreeUI)tree.getUI()).isWideSelection()) {
    setPaintFocusBorder(false);
    if (selected) {
      setBackground(hasFocus ? UIUtil.getTreeSelectionBackground() : UIUtil.getTreeUnfocusedSelectionBackground());
    }
  }
  else if (selected) {
    setPaintFocusBorder(true);
    if (isFocused()) {
      setBackground(UIUtil.getTreeSelectionBackground());
    }
    else {
      setBackground(null);
    }
  }
  else {
    setBackground(null);
  }

  if (value instanceof LoadingNode) {
    setForeground(JBColor.GRAY);
    setIcon(LOADING_NODE_ICON);
  }
  else {
    setForeground(tree.getForeground());
    setIcon(null);
  }

  if (UIUtil.isUnderGTKLookAndFeel()){
    super.setOpaque(false);  // avoid nasty background
    super.setIconOpaque(false);
  }
  else if (UIUtil.isUnderNimbusLookAndFeel() && selected && hasFocus) {
    super.setOpaque(false);  // avoid erasing Nimbus focus frame
    super.setIconOpaque(false);
  }
  else if (tree.getUI() instanceof WideSelectionTreeUI && ((WideSelectionTreeUI)tree.getUI()).isWideSelection()) {
    super.setOpaque(false);  // avoid erasing Nimbus focus frame
    super.setIconOpaque(false);
  }
  else {
    super.setOpaque(myOpaque || selected && hasFocus || selected && isFocused()); // draw selection background even for non-opaque tree
  }

  if (tree.getUI() instanceof WideSelectionTreeUI && UIUtil.isUnderAquaBasedLookAndFeel()) {
    setMyBorder(null);
    setIpad(new Insets(0, 2,  0, 2));
  }

  customizeCellRenderer(tree, value, selected, expanded, leaf, row, hasFocus);

  return this;
}