| /* |
| * Copyright 2000-2010 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.openapi.vcs.configurable; |
| |
| import com.intellij.openapi.options.Configurable; |
| import com.intellij.openapi.options.ConfigurationException; |
| import com.intellij.openapi.options.UnnamedConfigurable; |
| import com.intellij.openapi.util.Getter; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| |
| public class LazyConfigurable implements UnnamedConfigurable { |
| private final Getter<Configurable> myGetter; |
| private Configurable myDelegate; |
| private final JPanel myParentPanel; |
| |
| public LazyConfigurable(Getter<Configurable> getter, JPanel parentPanel) { |
| myGetter = getter; |
| myParentPanel = parentPanel; |
| myParentPanel.setLayout(new BorderLayout()); |
| myParentPanel.removeAll(); |
| } |
| |
| @Override |
| public void apply() throws ConfigurationException { |
| if (myDelegate != null) { |
| myDelegate.apply(); |
| } |
| } |
| @Override |
| public JComponent createComponent() { |
| if (myDelegate == null) { |
| myDelegate = myGetter.get(); |
| myParentPanel.add(myDelegate.createComponent(), BorderLayout.CENTER); |
| } |
| return myParentPanel; |
| } |
| @Override |
| public boolean isModified() { |
| if (myDelegate != null) { |
| return myDelegate.isModified(); |
| } |
| return false; |
| } |
| @Override |
| public void reset() { |
| if (myDelegate != null) { |
| myDelegate.reset(); |
| } |
| } |
| @Override |
| public void disposeUIResources() { |
| if (myDelegate != null) { |
| myDelegate.disposeUIResources(); |
| } |
| } |
| |
| public JPanel getParentPanel() { |
| return myParentPanel; |
| } |
| } |