java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/libraryEditor/LibraryTreeRenderer.java

/*
 * Copyright 2000-2012 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.openapi.roots.ui.configuration.libraryEditor;

import com.intellij.ide.util.treeView.NodeDescriptor;
import com.intellij.ui.ColoredTreeCellRenderer;
import com.intellij.ui.SimpleTextAttributes;
import com.intellij.util.ui.UIUtil;

import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;
import java.awt.*;

public class LibraryTreeRenderer extends ColoredTreeCellRenderer {
    @Override
    public void customizeCellRenderer(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
      DefaultMutableTreeNode node = (DefaultMutableTreeNode)value;
      Object userObject = node.getUserObject();
      if (userObject instanceof NodeDescriptor) {
        final NodeDescriptor descriptor = (NodeDescriptor)userObject;
        setIcon(descriptor.getIcon());
        append(descriptor.toString(), new SimpleTextAttributes(SimpleTextAttributes.STYLE_PLAIN, descriptor.getColor()));
      }
    }

    @Override
    public Font getFont() {
      Font font = super.getFont();
      if (font == null) {
        font = UIUtil.getLabelFont();
      }
      return font;
    }
  }