platform/platform-impl/src/com/intellij/ui/StrikeoutLabel.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.ui;
  17
  18 import com.intellij.util.ui.UIUtil;
  19
  20 import javax.swing.*;
  21 import java.awt.*;
  22
  23 public class StrikeoutLabel extends JLabel{
  24   private boolean myStrikeout = false;
  25
  26   public StrikeoutLabel(String text, int horizontalAlignment) {
  27     super(text, horizontalAlignment);
  28   }
  29
  30   public void setStrikeout(boolean strikeout) {
  31     myStrikeout = strikeout;
  32   }
  33
  34   protected void paintComponent(Graphics g) {
  35     super.paintComponent(g);
  36     if (myStrikeout){
  37       Dimension size = getSize();
  38       Dimension prefSize = getPreferredSize();
  39       int width = Math.min(size.width, prefSize.width);
  40       int iconWidth = 0;
  41       Icon icon = getIcon();
  42       if (icon != null){
  43         iconWidth = icon.getIconWidth();
  44         iconWidth += getIconTextGap();
  45       }
  46       g.setColor(getForeground());
  47       UIUtil.drawLine(g, iconWidth, size.height / 2, width, size.height / 2);
  48     }
  49   }
  50 }