CMS wizard and error feedback

[lgpl/argeo-commons.git] / org.argeo.cms.ui / src / org / argeo / cms / ui / dialogs / CmsFeedback.java

diff --git a/org.argeo.cms.ui/src/org/argeo/cms/ui/dialogs/CmsFeedback.java b/org.argeo.cms.ui/src/org/argeo/cms/ui/dialogs/CmsFeedback.java
new file mode 100644 (file)
index 0000000..61cce4e
--- /dev/null
+++ b/org.argeo.cms.ui/src/org/argeo/cms/ui/dialogs/CmsFeedback.java
@@ -0,0 +1,91 @@
+package org.argeo.cms.ui.dialogs;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.eclipse.ui.Selected;
+import org.argeo.eclipse.ui.dialogs.LightweightDialog;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+public class CmsFeedback extends LightweightDialog {
+       private final static Log log = LogFactory.getLog(CmsFeedback.class);
+
+       private String message;
+       private Throwable exception;
+
+       public CmsFeedback(Shell parentShell, String message, Throwable e) {
+               super(parentShell);
+               this.message = message;
+               this.exception = e;
+               log.error(message, e);
+       }
+
+       public static void show(String message, Throwable e) {
+               // rethrow ThreaDeath in order to make sure that RAP will properly clean
+               // up the UI thread
+               if (e instanceof ThreadDeath)
+                       throw (ThreadDeath) e;
+
+               new CmsFeedback(getDisplay().getActiveShell(), message, e).open();
+       }
+
+       public static void show(String message) {
+               new CmsFeedback(getDisplay().getActiveShell(), message, null).open();
+       }
+
+       /** Tries to find a display */
+       private static Display getDisplay() {
+               try {
+                       Display display = Display.getCurrent();
+                       if (display != null)
+                               return display;
+                       else
+                               return Display.getDefault();
+               } catch (Exception e) {
+                       return Display.getCurrent();
+               }
+       }
+
+       protected Control createDialogArea(Composite parent) {
+               parent.setLayout(new GridLayout(2, false));
+
+               Label messageLbl = new Label(parent, SWT.WRAP);
+               if (message != null)
+                       messageLbl.setText(message);
+               else if (exception != null)
+                       messageLbl.setText(exception.getLocalizedMessage());
+
+               Button close = new Button(parent, SWT.FLAT);
+               close.setText("Close");
+               close.setLayoutData(new GridData(SWT.END, SWT.TOP, false, false));
+               close.addSelectionListener((Selected) (e) -> closeShell(OK));
+
+               // Composite composite = new Composite(dialogarea, SWT.NONE);
+               // composite.setLayout(new GridLayout(2, false));
+               // composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+
+               if (exception != null) {
+                       Text stack = new Text(parent, SWT.MULTI | SWT.LEAD | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
+                       stack.setEditable(false);
+                       stack.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
+                       StringWriter sw = new StringWriter();
+                       exception.printStackTrace(new PrintWriter(sw));
+                       stack.setText(sw.toString());
+               }
+
+               // parent.pack();
+               return messageLbl;
+       }
+
+}