platform/platform-api/src/com/intellij/util/net/IOExceptionDialog.java

/*
 * Copyright 2000-2014 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.util.net;

import com.intellij.CommonBundle;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.DialogWrapper;
import com.intellij.openapi.util.Ref;
import com.intellij.ui.GuiUtils;
import com.intellij.util.ObjectUtils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.lang.reflect.InvocationTargetException;

public class IOExceptionDialog extends DialogWrapper {
  private static final Logger LOG = Logger.getInstance(IOExceptionDialog.class);
  private final JTextArea myErrorLabel;

  public IOExceptionDialog(String title, String errorText)  {
    super((Project)null, true);
    setTitle(title);
    setOKButtonText(CommonBundle.message("dialog.ioexception.tryagain"));

    myErrorLabel = new JTextArea();
    myErrorLabel.setText(errorText);
    myErrorLabel.setFont(UIManager.getFont("Label.font"));
    myErrorLabel.setBackground(UIManager.getColor("Label.background"));
    myErrorLabel.setForeground(UIManager.getColor("Label.foreground"));

    init();
  }

  @Nullable
  @Override
  protected JComponent createCenterPanel() {
    return myErrorLabel;
  }

  @NotNull
  @Override
  protected Action[] createLeftSideActions() {
    return new Action[] {
      new AbstractAction(CommonBundle.message("dialog.ioexception.proxy")) {
        @Override
        public void actionPerformed(@NotNull ActionEvent e) {
          HttpConfigurable.editConfigurable(ObjectUtils.tryCast(e.getSource(), JComponent.class));
        }
      }
    };
  }

  /**
   * Show the dialog
   * @return <code>true</code> if "Try Again" button pressed and <code>false</code> if "Cancel" button pressed
   */
  public static boolean showErrorDialog(final String title, final String text) {
    final Ref<Boolean> ok = Ref.create(false);
    try {
      GuiUtils.runOrInvokeAndWait(new Runnable() {
        @Override
        public void run() {
          IOExceptionDialog dialog = new IOExceptionDialog(title, text);
          dialog.show();
          ok.set(dialog.isOK());
        }
      });
    }
    catch (InterruptedException e) {
      LOG.info(e);
    }
    catch (InvocationTargetException e) {
      LOG.info(e);
    }

    return ok.get();
  }
}