Remove UI dependencies to JCR.

[lgpl/argeo-commons.git] / jcr / org.argeo.cms.jcr.ui / src / org / argeo / cms / ui / util / SystemNotifications.java

diff --git a/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/SystemNotifications.java b/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/SystemNotifications.java
new file mode 100644 (file)
index 0000000..5a00781
--- /dev/null
+++ b/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/SystemNotifications.java
@@ -0,0 +1,129 @@
+package org.argeo.cms.ui.util;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.apache.commons.io.IOUtils;
+import org.argeo.cms.swt.CmsException;
+import org.argeo.cms.swt.CmsStyles;
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.eclipse.rap.rwt.RWT;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.MouseListener;
+import org.eclipse.swt.events.ShellAdapter;
+import org.eclipse.swt.events.ShellEvent;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+
+/** Shell displaying system notifications such as exceptions */
+public class SystemNotifications extends Shell implements CmsStyles,
+               MouseListener {
+       private static final long serialVersionUID = -8129377525216022683L;
+
+       private Control source;
+
+       public SystemNotifications(Control source) {
+               super(source.getDisplay(), SWT.NO_TRIM | SWT.BORDER | SWT.ON_TOP);
+               setData(RWT.CUSTOM_VARIANT, CMS_USER_MENU);
+
+               this.source = source;
+
+               // TODO UI
+               // setLocation(source.toDisplay(source.getSize().x - getSize().x,
+               // source.getSize().y));
+               setLayout(new GridLayout());
+               addMouseListener(this);
+
+               addShellListener(new ShellAdapter() {
+                       private static final long serialVersionUID = 5178980294808435833L;
+
+                       @Override
+                       public void shellDeactivated(ShellEvent e) {
+                               close();
+                               dispose();
+                       }
+               });
+
+       }
+
+       public void notifyException(Throwable exception) {
+               Composite pane = this;
+
+               Label lbl = new Label(pane, SWT.NONE);
+               lbl.setText(exception.getLocalizedMessage()
+                               + (exception instanceof CmsException ? "" : "("
+                                               + exception.getClass().getName() + ")") + "\n");
+               lbl.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+               lbl.addMouseListener(this);
+               if (exception.getCause() != null)
+                       appendCause(pane, exception.getCause());
+
+               StringBuilder mailToUrl = new StringBuilder("mailto:?");
+               try {
+                       mailToUrl.append("subject=").append(
+                                       URLEncoder.encode(
+                                                       "Exception "
+                                                                       + new SimpleDateFormat("yyyy-MM-dd hh:mm")
+                                                                                       .format(new Date()), "UTF-8")
+                                                       .replace("+", "%20"));
+
+                       StringWriter sw = new StringWriter();
+                       exception.printStackTrace(new PrintWriter(sw));
+                       IOUtils.closeQuietly(sw);
+
+                       // see
+                       // http://stackoverflow.com/questions/4737841/urlencoder-not-able-to-translate-space-character
+                       String encoded = URLEncoder.encode(sw.toString(), "UTF-8").replace(
+                                       "+", "%20");
+                       mailToUrl.append("&body=").append(encoded);
+               } catch (UnsupportedEncodingException e) {
+                       mailToUrl.append("&body=").append("Could not encode: ")
+                                       .append(e.getMessage());
+               }
+               Label mailTo = new Label(pane, SWT.NONE);
+               CmsSwtUtils.markup(mailTo);
+               mailTo.setText("<a href=\"" + mailToUrl + "\">Send details</a>");
+               mailTo.setLayoutData(new GridData(SWT.END, SWT.FILL, true, false));
+
+               pack();
+               layout();
+
+               setLocation(source.toDisplay(source.getSize().x - getSize().x,
+                               source.getSize().y - getSize().y));
+               open();
+       }
+
+       private void appendCause(Composite parent, Throwable e) {
+               Label lbl = new Label(parent, SWT.NONE);
+               lbl.setText(" caused by: " + e.getLocalizedMessage() + " ("
+                               + e.getClass().getName() + ")" + "\n");
+               lbl.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+               lbl.addMouseListener(this);
+               if (e.getCause() != null)
+                       appendCause(parent, e.getCause());
+       }
+
+       @Override
+       public void mouseDoubleClick(MouseEvent e) {
+       }
+
+       @Override
+       public void mouseDown(MouseEvent e) {
+               close();
+               dispose();
+       }
+
+       @Override
+       public void mouseUp(MouseEvent e) {
+       }
+
+}