SimpleColoredRenderer.java

/*
 * Copyright 2000-2017 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 org.jetbrains.annotations.NotNull;

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

public class SimpleColoredRenderer extends SimpleColoredComponent {
  private TableCellState myCellState = new TableCellState();

  public void acquireState(JTable table, boolean isSelected, boolean hasFocus, int row, int column) {
    myCellState.collectState(table, isSelected, hasFocus, row, column);
  }

  public void append(@NotNull String fragment, @NotNull SimpleTextAttributes attributes, boolean isMainText) {
    super.append(fragment, modifyAttributes(attributes), isMainText);
  }

  @Override
  void revalidateAndRepaint() {
    // no need for this in a renderer
  }

  protected SimpleTextAttributes modifyAttributes(final SimpleTextAttributes attributes) {
    return myCellState.modifyAttributes(attributes);
  }

  public TableCellState getCellState() {
    return myCellState;
  }

  public void setCellState(TableCellState cellState) {
    myCellState = cellState;
  }

  protected boolean shouldPaintBackground() {
    return true;
  }

  protected void paintComponent(Graphics g) {
    if (shouldPaintBackground()) {
      g.setColor(getBackground());
      g.fillRect(0, 0, getWidth(), getHeight());
    }

    super.paintComponent(g);
  }
}