/*
* Copyright 2000-2014 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.intellij.lang.annotations.MagicConstant;
import javax.swing.border.LineBorder;
import java.awt.*;
public class SideBorder extends LineBorder {
public static final int NONE = 0;
public static final int LEFT = 0x01;
public static final int TOP = 0x02;
public static final int RIGHT = 0x04;
public static final int BOTTOM = 0x08;
public static final int ALL = LEFT | TOP | RIGHT | BOTTOM;
@MagicConstant(flags = {NONE, LEFT, TOP, RIGHT, BOTTOM, ALL})
public @interface SideMask {}
private final int mySideMask;
public SideBorder(Color color, @SideMask int mask) {
this(color, mask, 1);
}
public SideBorder(Color color, @SideMask int mask, int thickness) {
super(color, thickness);
mySideMask = mask;
}
@Override
public Insets getBorderInsets(Component component) {
return new Insets(
(mySideMask & TOP) != 0 ? getThickness() : 0,
(mySideMask & LEFT) != 0 ? getThickness() : 0,
(mySideMask & BOTTOM) != 0 ? getThickness() : 0,
(mySideMask & RIGHT) != 0 ? getThickness() : 0
);
}
@Override
public Insets getBorderInsets(Component component, Insets insets) {
insets.top = (mySideMask & TOP) != 0 ? getThickness() : 0;
insets.left = (mySideMask & LEFT) != 0 ? getThickness() : 0;
insets.bottom = (mySideMask & BOTTOM) != 0 ? getThickness() : 0;
insets.right = (mySideMask & RIGHT) != 0 ? getThickness() : 0;
return insets;
}
@Override
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
Color oldColor = g.getColor();
g.setColor(getLineColor());
if ((mySideMask & LEFT) != 0) g.fillRect(x, y, thickness, height);
if ((mySideMask & TOP) != 0) g.fillRect(x, y, width, thickness);
if ((mySideMask & RIGHT) != 0) g.fillRect(x + width - thickness, y, thickness, height);
if ((mySideMask & BOTTOM) != 0) g.fillRect(x, y + height - thickness, width, thickness);
g.setColor(oldColor);
}
}