eclipse/runtime/org.argeo.eclipse.ui/src/main/java/org/argeo/eclipse/ui/dialogs/Error.java

   1 package org.argeo.eclipse.ui.dialogs;
   2
   3 import java.io.PrintWriter;
   4 import java.io.StringWriter;
   5
   6 import org.apache.commons.logging.Log;
   7 import org.apache.commons.logging.LogFactory;
   8 import org.eclipse.jface.dialogs.IMessageProvider;
   9 import org.eclipse.jface.dialogs.TitleAreaDialog;
  10 import org.eclipse.swt.SWT;
  11 import org.eclipse.swt.graphics.Point;
  12 import org.eclipse.swt.layout.GridData;
  13 import org.eclipse.swt.layout.GridLayout;
  14 import org.eclipse.swt.widgets.Composite;
  15 import org.eclipse.swt.widgets.Control;
  16 import org.eclipse.swt.widgets.Display;
  17 import org.eclipse.swt.widgets.Shell;
  18 import org.eclipse.swt.widgets.Text;
  19
  20 public class Error extends TitleAreaDialog {
  21         private final static Log log = LogFactory.getLog(Error.class);
  22
  23         private final String message;
  24         private final Throwable exception;
  25
  26         public static void show(String message, Throwable e) {
  27                 new Error(Display.getDefault().getActiveShell(), message, e).open();
  28         }
  29
  30         public static void show(String message) {
  31                 new Error(Display.getDefault().getActiveShell(), message, null).open();
  32         }
  33
  34         public Error(Shell parentShell, String message, Throwable e) {
  35                 super(parentShell);
  36                 this.message = message;
  37                 this.exception = e;
  38                 log.error(message, e);
  39         }
  40
  41         protected Point getInitialSize() {
  42                 if (exception != null)
  43                         return new Point(800, 600);
  44                 else
  45                         return new Point(400, 300);
  46         }
  47
  48         @Override
  49         protected Control createDialogArea(Composite parent) {
  50                 Composite dialogarea = (Composite) super.createDialogArea(parent);
  51                 dialogarea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  52                 Composite composite = new Composite(dialogarea, SWT.NONE);
  53                 composite.setLayout(new GridLayout(2, false));
  54                 composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  55
  56                 setMessage(message != null ? message
  57                                 + (exception != null ? ": " + exception.getMessage() : "")
  58                                 : exception != null ? exception.getMessage() : "Unkown Error",
  59                                 IMessageProvider.ERROR);
  60
  61                 if (exception != null) {
  62                         Text stack = new Text(composite, SWT.MULTI  | SWT.LEAD
  63                                         | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
  64                         stack.setEditable(false);
  65                         stack.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  66                         StringWriter sw = new StringWriter();
  67                         exception.printStackTrace(new PrintWriter(sw));
  68                         stack.setText(sw.toString());
  69                 }
  70
  71                 parent.pack();
  72                 return composite;
  73         }
  74
  75         protected void configureShell(Shell shell) {
  76                 super.configureShell(shell);
  77                 shell.setText("Error");
  78         }
  79
  80 }