org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/dialogs/FeedbackDialog.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.argeo.eclipse.ui.EclipseUiException;
   9 import org.eclipse.swt.SWT;
  10 import org.eclipse.swt.events.ShellAdapter;
  11 import org.eclipse.swt.events.ShellEvent;
  12 import org.eclipse.swt.graphics.Point;
  13 import org.eclipse.swt.graphics.Rectangle;
  14 import org.eclipse.swt.layout.GridData;
  15 import org.eclipse.swt.layout.GridLayout;
  16 import org.eclipse.swt.widgets.Composite;
  17 import org.eclipse.swt.widgets.Control;
  18 import org.eclipse.swt.widgets.Display;
  19 import org.eclipse.swt.widgets.Label;
  20 import org.eclipse.swt.widgets.Shell;
  21 import org.eclipse.swt.widgets.Text;
  22
  23 /**
  24  * Generic lightweight dialog, not based on JFace.
  25  *
  26  * @deprecated Use CMS dialogs instead.
  27  */
  28 @Deprecated
  29 public class FeedbackDialog extends LightweightDialog {
  30         private final static Log log = LogFactory.getLog(FeedbackDialog.class);
  31
  32         private String message;
  33         private Throwable exception;
  34
  35 //      private Shell parentShell;
  36         private Shell shell;
  37
  38         public static void show(String message, Throwable e) {
  39                 // rethrow ThreaDeath in order to make sure that RAP will properly clean
  40                 // up the UI thread
  41                 if (e instanceof ThreadDeath)
  42                         throw (ThreadDeath) e;
  43
  44                 new FeedbackDialog(getDisplay().getActiveShell(), message, e).open();
  45         }
  46
  47         public static void show(String message) {
  48                 new FeedbackDialog(getDisplay().getActiveShell(), message, null).open();
  49         }
  50
  51         /** Tries to find a display */
  52         private static Display getDisplay() {
  53                 try {
  54                         Display display = Display.getCurrent();
  55                         if (display != null)
  56                                 return display;
  57                         else
  58                                 return Display.getDefault();
  59                 } catch (Exception e) {
  60                         return Display.getCurrent();
  61                 }
  62         }
  63
  64         public FeedbackDialog(Shell parentShell, String message, Throwable e) {
  65                 super(parentShell);
  66                 this.message = message;
  67                 this.exception = e;
  68                 log.error(message, e);
  69         }
  70
  71         public int open() {
  72                 if (shell != null)
  73                         throw new EclipseUiException("There is already a shell");
  74                 shell = new Shell(getDisplay(), SWT.NO_TRIM | SWT.BORDER | SWT.ON_TOP);
  75                 shell.setLayout(new GridLayout());
  76                 // shell.setText("Error");
  77                 shell.setSize(getInitialSize());
  78                 createDialogArea(shell);
  79                 // shell.pack();
  80                 // shell.layout();
  81
  82                 Rectangle shellBounds = Display.getCurrent().getBounds();// RAP
  83                 Point dialogSize = shell.getSize();
  84                 int x = shellBounds.x + (shellBounds.width - dialogSize.x) / 2;
  85                 int y = shellBounds.y + (shellBounds.height - dialogSize.y) / 2;
  86                 shell.setLocation(x, y);
  87
  88                 shell.addShellListener(new ShellAdapter() {
  89                         private static final long serialVersionUID = -2701270481953688763L;
  90
  91                         @Override
  92                         public void shellDeactivated(ShellEvent e) {
  93                                 closeShell();
  94                         }
  95                 });
  96
  97                 shell.open();
  98                 return OK;
  99         }
 100
 101         protected void closeShell() {
 102                 shell.close();
 103                 shell.dispose();
 104                 shell = null;
 105         }
 106
 107         protected Point getInitialSize() {
 108                 // if (exception != null)
 109                 // return new Point(800, 600);
 110                 // else
 111                 return new Point(400, 300);
 112         }
 113
 114         protected Control createDialogArea(Composite parent) {
 115                 Composite dialogarea = new Composite(parent, SWT.NONE);
 116                 dialogarea.setLayout(new GridLayout());
 117                 // Composite dialogarea = (Composite) super.createDialogArea(parent);
 118                 dialogarea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 119
 120                 Label messageLbl = new Label(dialogarea, SWT.NONE);
 121                 if (message != null)
 122                         messageLbl.setText(message);
 123                 else if (exception != null)
 124                         messageLbl.setText(exception.getLocalizedMessage());
 125
 126                 Composite composite = new Composite(dialogarea, SWT.NONE);
 127                 composite.setLayout(new GridLayout(2, false));
 128                 composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 129
 130                 if (exception != null) {
 131                         Text stack = new Text(composite, SWT.MULTI | SWT.LEAD | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
 132                         stack.setEditable(false);
 133                         stack.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 134                         StringWriter sw = new StringWriter();
 135                         exception.printStackTrace(new PrintWriter(sw));
 136                         stack.setText(sw.toString());
 137                 }
 138
 139                 // parent.pack();
 140                 return composite;
 141         }
 142 }