platform/platform-api/src/com/intellij/ui/CommandButtonGroup.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 javax.swing.*;
  19 import java.awt.*;
  20
  21 public class CommandButtonGroup extends JPanel {
  22   public static final int LEFT = 1;
  23   public static final int RIGHT = 2;
  24   private int myPreferredH = 0;
  25   private int myPreferredW = 0;
  26   private int myAxis;
  27
  28   public CommandButtonGroup() {
  29     this(BoxLayout.X_AXIS);
  30   }
  31
  32   /**
  33    * Creates new <code>CommandButtonGroup</code> panel with specified orientation.
  34    * @param axis possible values of this parameter are defined in <code>BoxLayout</code>
  35    * @see javax.swing.BoxLayout#X_AXIS
  36    * @see javax.swing.BoxLayout#Y_AXIS
  37    */
  38   public CommandButtonGroup(int axis) {
  39     myAxis = axis;
  40     setLayout(new BoxLayout(this, axis));
  41     //setBorder(new EmptyBorder(5, 5, 5, 5));
  42     if (axis == BoxLayout.X_AXIS){
  43       add(Box.createHorizontalGlue());
  44     }
  45     else{
  46       //add(Box.createVerticalGlue());
  47     }
  48   }
  49
  50   public void addButton(AbstractButton button) {
  51     addButton(button, RIGHT);
  52   }
  53
  54   public void addButton(AbstractButton button, int position) {
  55     if (LEFT == position){
  56       add(button, 0);
  57       if (myAxis == BoxLayout.X_AXIS){
  58         add(Box.createHorizontalStrut(5), 1);
  59       }
  60       else{
  61         add(Box.createVerticalStrut(5), 1);
  62       }
  63     }
  64     else{
  65       if (myAxis == BoxLayout.X_AXIS){
  66         add(Box.createHorizontalStrut(5));
  67       }
  68       else{
  69         add(Box.createVerticalStrut(5));
  70       }
  71       add(button);
  72     }
  73     Dimension prefSize = button.getPreferredSize();
  74     if (prefSize.height > myPreferredH){
  75       myPreferredH = prefSize.height;
  76     }
  77     if (prefSize.width > myPreferredW){
  78       myPreferredW = prefSize.width;
  79     }
  80     updateButtonSizes();
  81   }
  82
  83   private void updateButtonSizes() {
  84     Dimension dim = new Dimension(myPreferredW, myPreferredH);
  85     Component[] components = getComponents();
  86     if (components == null) return;
  87     for(int i = 0; i < components.length; i++){
  88       if (components[i] instanceof AbstractButton){
  89         AbstractButton button = (AbstractButton)components[i];
  90         button.setPreferredSize(dim);
  91         button.setMaximumSize(dim);
  92         button.setMinimumSize(dim);
  93       }
  94     }
  95   }
  96 }