| /* |
| * Copyright 2000-2009 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.roots; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| import java.awt.geom.AffineTransform; |
| |
| /** |
| * @author Eugene Zhuravlev |
| * Date: Oct 29 |
| * @author 2003 |
| */ |
| public class ScalableIconComponent extends JComponent { |
| private final Icon myIcon; |
| private final Icon mySelectedIcon; |
| private boolean myIsSelected = false; |
| |
| public ScalableIconComponent(Icon icon) { |
| this(icon, icon); |
| } |
| |
| public ScalableIconComponent(Icon icon, Icon selectedIcon) { |
| myIcon = icon; |
| mySelectedIcon = selectedIcon != null? selectedIcon : icon; |
| if (icon != null) { |
| final Dimension size = new Dimension(icon.getIconWidth(), icon.getIconHeight()); |
| this.setPreferredSize(size); |
| this.setMinimumSize(size); |
| } |
| } |
| |
| protected void paintComponent(Graphics g) { |
| final Icon icon = myIsSelected? mySelectedIcon : myIcon; |
| if (icon != null) { |
| final Graphics2D g2 = (Graphics2D)g; |
| |
| g2.setBackground(getBackground()); |
| final AffineTransform savedTransform = g2.getTransform(); |
| |
| g2.scale(((double)getWidth()) / icon.getIconWidth(), ((double)getHeight()) / icon.getIconHeight()); |
| icon.paintIcon(this, g2, 0, 0); |
| |
| g2.setTransform(savedTransform); |
| } |
| |
| super.paintComponent(g); |
| } |
| |
| |
| public final void setSelected(boolean isSelected) { |
| myIsSelected = isSelected; |
| this.revalidate(); |
| this.repaint(); |
| } |
| } |