platform/platform-api/src/com/intellij/ui/RowIcon.java

   1
   2 /*
   3  * Copyright 2000-2009 JetBrains s.r.o.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  * http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 package com.intellij.ui;
  19
  20 import javax.swing.*;
  21 import java.awt.*;
  22 import java.util.Arrays;
  23
  24 /**
  25  *
  26  */
  27 public class RowIcon implements Icon {
  28
  29   private final Icon[] myIcons;
  30   private int myWidth;
  31   private int myHeight;
  32
  33   public RowIcon(int iconCount/*, int orientation*/) {
  34     myIcons = new Icon[iconCount];
  35     //myOrientation = orientation;
  36   }
  37
  38   public int hashCode() {
  39     return myIcons.length > 0 ? myIcons[0].hashCode() : 0;
  40   }
  41
  42   public boolean equals(Object obj) {
  43     return obj instanceof RowIcon && Arrays.equals(((RowIcon)obj).myIcons, myIcons);
  44   }
  45
  46   public int getIconCount() {
  47     return myIcons.length;
  48   }
  49
  50   public void setIcon(Icon icon, int layer) {
  51     myIcons[layer] = icon;
  52     recalculateSize();
  53   }
  54
  55   public Icon getIcon(int index) {
  56     return myIcons[index];
  57   }
  58
  59   public void paintIcon(Component c, Graphics g, int x, int y) {
  60     int _x = x;
  61     for (Icon icon : myIcons) {
  62       if (icon == null) continue;
  63       icon.paintIcon(c, g, _x, y);
  64       _x += icon.getIconWidth();
  65       //_y += icon.getIconHeight();
  66     }
  67   }
  68
  69   public int getIconWidth() {
  70     return myWidth;
  71   }
  72
  73   public int getIconHeight() {
  74     return myHeight;
  75   }
  76
  77   private void recalculateSize() {
  78     int width = 0;
  79     int height = 0;
  80     for (Icon icon : myIcons) {
  81       if (icon == null) continue;
  82       width += icon.getIconWidth();
  83       //height += icon.getIconHeight();
  84       height = Math.max(height, icon.getIconHeight());
  85     }
  86     myWidth = width;
  87     myHeight = height;
  88   }
  89 }