security/plugins/org.argeo.security.ui/src/main/java/org/argeo/security/ui/views/LogView.java

   1 package org.argeo.security.ui.views;
   2
   3 import java.util.ArrayList;
   4
   5 import org.argeo.ArgeoLogListener;
   6 import org.argeo.ArgeoLogger;
   7 import org.argeo.security.ui.SecurityUiPlugin;
   8 import org.eclipse.jface.resource.JFaceResources;
   9 import org.eclipse.jface.viewers.LabelProvider;
  10 import org.eclipse.jface.viewers.TableViewer;
  11 import org.eclipse.swt.SWT;
  12 import org.eclipse.swt.graphics.Font;
  13 import org.eclipse.swt.widgets.Composite;
  14 import org.eclipse.swt.widgets.Display;
  15 import org.eclipse.swt.widgets.Table;
  16 import org.eclipse.ui.part.ViewPart;
  17
  18 /**
  19  * Display log lines with a virtual table. Register and unregisters a
  20  * {@link ArgeoLogListener} via OSGi services.
  21  */
  22 public class LogView extends ViewPart {
  23         public static String ID = SecurityUiPlugin.PLUGIN_ID + ".logView";
  24
  25         private TableViewer viewer;
  26
  27         private LogContentProvider logContentProvider;
  28         private ArgeoLogger argeoLogger;
  29
  30         @Override
  31         public void createPartControl(Composite parent) {
  32                 Font font = JFaceResources.getTextFontDescriptor().setHeight(8)
  33                                 .createFont(Display.getCurrent());
  34                 Table table = new Table(parent, SWT.VIRTUAL | SWT.MULTI | SWT.H_SCROLL
  35                                 | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
  36                 table.setFont(font);
  37
  38                 viewer = new TableViewer(table);
  39                 viewer.setLabelProvider(new LabelProvider());
  40                 logContentProvider = new LogContentProvider(viewer);
  41                 viewer.setContentProvider(logContentProvider);
  42                 // viewer.setUseHashlookup(true);
  43                 viewer.setInput(new ArrayList<String>());
  44
  45                 if (argeoLogger != null)
  46                         argeoLogger.register(logContentProvider, 1000);
  47         }
  48
  49         @Override
  50         public void setFocus() {
  51                 viewer.getTable().setFocus();
  52         }
  53
  54         @Override
  55         public void dispose() {
  56                 if (argeoLogger != null)
  57                         argeoLogger.unregister(logContentProvider);
  58         }
  59
  60         public void setArgeoLogger(ArgeoLogger argeoLogger) {
  61                 this.argeoLogger = argeoLogger;
  62         }
  63
  64 }