improvement for http://crucible.labs.intellij.net/cru/CR-IC-1432

1. Better bg/fg colors for "copyable label"
2. Better location and owner for IOExceptionDialog

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

@@ -17,6 +17,7 @@ package com.intellij.util.net;
 
 import com.intellij.openapi.MnemonicHelper;
 import com.intellij.ui.GuiUtils;
+import com.intellij.util.ui.UIUtil;
 
 import javax.swing.*;
 import java.awt.event.*;
@@ -38,7 +39,7 @@ public class IOExceptionDialog extends JDialog {
   private boolean cancelPressed = false;
 
   public IOExceptionDialog(String title, String errorText)  {
-    super (JOptionPane.getRootFrame(), title, true);
+    super(UIUtil.getActiveWindow(), title, DEFAULT_MODALITY_TYPE);
 
     new MnemonicHelper().register(getContentPane());
     
@@ -62,6 +63,9 @@ public class IOExceptionDialog extends JDialog {
     );
 
     errorLabel.setText(errorText);
+    errorLabel.setFont(UIManager.getFont("Label.font"));
+    errorLabel.setBackground(UIManager.getColor("Label.background"));
+    errorLabel.setForeground(UIManager.getColor("Label.foreground"));
 
     setupButton.addActionListener(new ActionListener () {
       public void actionPerformed(ActionEvent e) {
@@ -83,7 +87,7 @@ public class IOExceptionDialog extends JDialog {
     });
 
     pack();
-    setLocationRelativeTo(null);
+    setLocationRelativeTo(getOwner());
     setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
     addWindowListener(new WindowAdapter() {
       @Override

platform/platform-impl/src/com/intellij/ide/plugins/ActionInstallPlugin.java

@@ -39,6 +39,7 @@ import com.intellij.xml.util.XmlStringUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import javax.swing.*;
 import javax.swing.event.HyperlinkEvent;
 import java.io.IOException;
 import java.util.*;
@@ -173,10 +174,16 @@ public class ActionInstallPlugin extends AnAction implements DumbAware {
           }
         });
       }
-      catch (IOException e1) {
+      catch (final IOException e1) {
+        ourInstallingNodes.removeAll(list);
         PluginManagerMain.LOG.error(e1);
-        IOExceptionDialog
-          .showErrorDialog(IdeBundle.message("action.download.and.install.plugin"), IdeBundle.message("error.plugin.download.failed"));
+        SwingUtilities.invokeLater(new Runnable() {
+          @Override
+          public void run() {
+            IOExceptionDialog
+              .showErrorDialog(IdeBundle.message("action.download.and.install.plugin"), IdeBundle.message("error.plugin.download.failed"));
+          }
+        });
       }
     }
   }

platform/util/src/com/intellij/util/ui/UIUtil.java

@@ -2677,4 +2677,12 @@ public class UIUtil {
     return null;
   }
 
+  @NotNull
+  public static Window getActiveWindow() {
+    Window[] windows = Window.getWindows();
+    for (Window each : windows) {
+      if (each.isVisible() && each.isActive()) return each;
+    }
+    return JOptionPane.getRootFrame();
+  }
 }