org.argeo.cms.ui/src/org/argeo/cms/ui/dialogs/CmsFeedback.java

   1 package org.argeo.cms.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.cms.CmsMsg;
   9 import org.argeo.eclipse.ui.Selected;
  10 import org.argeo.eclipse.ui.dialogs.LightweightDialog;
  11 import org.eclipse.swt.SWT;
  12 import org.eclipse.swt.layout.GridData;
  13 import org.eclipse.swt.layout.GridLayout;
  14 import org.eclipse.swt.widgets.Button;
  15 import org.eclipse.swt.widgets.Composite;
  16 import org.eclipse.swt.widgets.Control;
  17 import org.eclipse.swt.widgets.Label;
  18 import org.eclipse.swt.widgets.Shell;
  19 import org.eclipse.swt.widgets.Text;
  20
  21 public class CmsFeedback extends LightweightDialog {
  22         private final static Log log = LogFactory.getLog(CmsFeedback.class);
  23
  24         private String message;
  25         private Throwable exception;
  26
  27         public CmsFeedback(Shell parentShell, String message, Throwable e) {
  28                 super(parentShell);
  29                 this.message = message;
  30                 this.exception = e;
  31                 log.error(message, e);
  32         }
  33
  34         public static void show(String message, Throwable e) {
  35                 // rethrow ThreaDeath in order to make sure that RAP will properly clean
  36                 // up the UI thread
  37                 if (e instanceof ThreadDeath)
  38                         throw (ThreadDeath) e;
  39
  40                 try {
  41                         CmsFeedback cmsFeedback = new CmsFeedback(null, message, e);
  42                         cmsFeedback.setBlockOnOpen(false);
  43                         cmsFeedback.open();
  44                 } catch (Throwable e1) {
  45                         log.error("Cannot open error feedback (" + e.getMessage() + "), original error below", e);
  46                 }
  47         }
  48
  49         public static void show(String message) {
  50                 new CmsFeedback(null, message, null).open();
  51         }
  52
  53         /** Tries to find a display */
  54         // private static Display getDisplay() {
  55         // try {
  56         // Display display = Display.getCurrent();
  57         // if (display != null)
  58         // return display;
  59         // else
  60         // return Display.getDefault();
  61         // } catch (Exception e) {
  62         // return Display.getCurrent();
  63         // }
  64         // }
  65
  66         protected Control createDialogArea(Composite parent) {
  67                 parent.setLayout(new GridLayout(2, false));
  68
  69                 Label messageLbl = new Label(parent, SWT.WRAP);
  70                 if (message != null)
  71                         messageLbl.setText(message);
  72                 else if (exception != null)
  73                         messageLbl.setText(exception.getLocalizedMessage());
  74
  75                 Button close = new Button(parent, SWT.FLAT);
  76                 close.setText(CmsMsg.close.lead());
  77                 close.setLayoutData(new GridData(SWT.END, SWT.TOP, false, false));
  78                 close.addSelectionListener((Selected) (e) -> closeShell(OK));
  79
  80                 // Composite composite = new Composite(dialogarea, SWT.NONE);
  81                 // composite.setLayout(new GridLayout(2, false));
  82                 // composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  83
  84                 if (exception != null) {
  85                         Text stack = new Text(parent, SWT.MULTI | SWT.LEAD | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
  86                         stack.setEditable(false);
  87                         stack.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
  88                         StringWriter sw = new StringWriter();
  89                         exception.printStackTrace(new PrintWriter(sw));
  90                         stack.setText(sw.toString());
  91                 }
  92
  93                 // parent.pack();
  94                 return messageLbl;
  95         }
  96
  97 }