platform/util/src/com/intellij/ui/PopupBorder.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.openapi.util.SystemInfo;
  19
  20 import javax.swing.border.Border;
  21 import java.awt.*;
  22
  23 public interface PopupBorder extends Border {
  24
  25   void setActive(boolean active);
  26
  27   class Factory {
  28
  29     private Factory() {
  30     }
  31
  32     public static PopupBorder create(boolean active) {
  33       final BaseBorder border =
  34         SystemInfo.isMac ? new BaseBorder() : new BaseBorder(true, CaptionPanel.getBorderColor(true), CaptionPanel.getBorderColor(false));
  35       border.setActive(active);
  36       return border;
  37     }
  38   }
  39
  40   class BaseBorder implements PopupBorder {
  41
  42     private boolean myVisible;
  43     private Color myActiveColor;
  44     private Color myPassiveColor;
  45
  46     private boolean myActive;
  47
  48     protected BaseBorder() {
  49       this(false, null, null);
  50     }
  51
  52     protected BaseBorder(final boolean visible, final Color activeColor, final Color passiveColor) {
  53       myVisible = visible;
  54       myActiveColor = activeColor;
  55       myPassiveColor = passiveColor;
  56     }
  57
  58     public void setActive(final boolean active) {
  59       myActive = active;
  60     }
  61
  62     public void paintBorder(final Component c, final Graphics g, final int x, final int y, final int width, final int height) {
  63       if (!myVisible) return;
  64
  65       Color color = myActive ? myActiveColor : myPassiveColor;
  66       g.setColor(color);
  67       g.drawRect(x, y, width - 1, height - 1);
  68     }
  69
  70     public Insets getBorderInsets(final Component c) {
  71       return myVisible ? new Insets(1, 1, 1, 1) : new Insets(0, 0, 0, 0);
  72     }
  73
  74     public boolean isBorderOpaque() {
  75       return true;
  76     }
  77   }
  78
  79
  80 }