platform/platform-api/src/com/intellij/ui/BooleanTableCellRenderer.java

/*
 * Copyright 2000-2011 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.ui;

import com.intellij.util.ui.UIUtil;

import javax.swing.*;
import javax.swing.table.TableCellRenderer;
import java.awt.*;

/**
 * @author Jeka
 * @author Konstantin Bulenkov
 */
public class BooleanTableCellRenderer extends JCheckBox implements TableCellRenderer {
  private final JPanel myPanel = new JPanel();

  public BooleanTableCellRenderer() {
    this(CENTER);
  }

  public BooleanTableCellRenderer(final int horizontalAlignment) {
    super();
    setHorizontalAlignment(horizontalAlignment);
    setVerticalAlignment(CENTER);
    setBorder(null);
    setOpaque(true);
    myPanel.setOpaque(true);
  }

  @Override
  public Component getTableCellRendererComponent(JTable table, Object value, boolean isSel, boolean hasFocus, int row, int column) {
    final Color bg = UIUtil.isUnderNimbusLookAndFeel() && row % 2 == 1 ? UIUtil.TRANSPARENT_COLOR : table.getBackground();
    final Color fg = table.getForeground();
    final Color selBg = table.getSelectionBackground();
    final Color selFg = table.getSelectionForeground();

    if (value == null) {
      myPanel.setBackground(isSel ? selBg : bg);
      return myPanel;
    }

    setForeground(isSel ? selFg : fg);
    setBackground(isSel ? selBg : bg);

    if (value instanceof String) {
      setSelected(Boolean.parseBoolean((String)value));
    }
    else {
      setSelected(((Boolean)value).booleanValue());
    }
    setEnabled(table.isCellEditable(row, column));
    return this;
  }
}