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

   1 /*
   2  * Copyright 2000-2007 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 org.jetbrains.annotations.Nullable;
  19
  20 import javax.swing.*;
  21 import javax.swing.border.EtchedBorder;
  22 import java.awt.*;
  23
  24 public abstract class PanelWithButtons extends JPanel {
  25   public PanelWithButtons() {
  26     super(new GridBagLayout());
  27   }
  28
  29   protected void initPanel() {
  30     JComponent mainComponent = createMainComponent();
  31     JButton[] buttons = createButtons();
  32
  33     String labelText = getLabelText();
  34     if (labelText != null) {
  35       setBorder(BorderFactory.createTitledBorder(new EtchedBorder(), labelText));
  36     }
  37
  38     add(
  39         mainComponent,
  40         new GridBagConstraints(0, 1, 1, buttons.length, 1, 1, GridBagConstraints.WEST, GridBagConstraints.BOTH, new Insets(0, 0, 0, 4), 0, 0)
  41     );
  42
  43     for (int i = 0; i < buttons.length; i++) {
  44       JButton button = buttons[i];
  45       add(
  46           button,
  47           new GridBagConstraints(1, 1 + i, 1, 1, 0, (i == buttons.length - 1 ? 1 : 0), GridBagConstraints.NORTH, GridBagConstraints.HORIZONTAL, new Insets(0, 0, 4, 0), 0, 0)
  48       );
  49     }
  50
  51   }
  52
  53   @Nullable
  54   protected abstract String getLabelText();
  55
  56   protected abstract JButton[] createButtons();
  57
  58   protected abstract JComponent createMainComponent();
  59 }