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

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.security.ui.views;
  17
  18 import java.util.ArrayList;
  19
  20 import org.argeo.node.ArgeoLogListener;
  21 import org.argeo.node.ArgeoLogger;
  22 import org.argeo.security.ui.SecurityUiPlugin;
  23 import org.eclipse.jface.resource.JFaceResources;
  24 import org.eclipse.jface.viewers.LabelProvider;
  25 import org.eclipse.jface.viewers.TableViewer;
  26 import org.eclipse.swt.SWT;
  27 import org.eclipse.swt.graphics.Font;
  28 import org.eclipse.swt.widgets.Composite;
  29 import org.eclipse.swt.widgets.Table;
  30 import org.eclipse.ui.part.ViewPart;
  31
  32 /**
  33  * Display log lines with a virtual table. Register and unregisters a
  34  * {@link ArgeoLogListener} via OSGi services.
  35  */
  36 public class LogView extends ViewPart {
  37         public static String ID = SecurityUiPlugin.PLUGIN_ID + ".logView";
  38
  39         private TableViewer viewer;
  40
  41         private LogContentProvider logContentProvider;
  42         private ArgeoLogger argeoLogger;
  43
  44         @Override
  45         public void createPartControl(Composite parent) {
  46                 Font font = JFaceResources.getTextFont();
  47                 Table table = new Table(parent, SWT.VIRTUAL | SWT.MULTI | SWT.H_SCROLL
  48                                 | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
  49                 table.setFont(font);
  50
  51                 viewer = new TableViewer(table);
  52                 viewer.setLabelProvider(new LabelProvider());
  53                 logContentProvider = new LogContentProvider(viewer);
  54                 viewer.setContentProvider(logContentProvider);
  55                 // viewer.setUseHashlookup(true);
  56                 viewer.setInput(new ArrayList<String>());
  57
  58                 if (argeoLogger != null)
  59                         argeoLogger.register(logContentProvider, 1000);
  60         }
  61
  62         @Override
  63         public void setFocus() {
  64                 viewer.getTable().setFocus();
  65         }
  66
  67         @Override
  68         public void dispose() {
  69                 if (argeoLogger != null)
  70                         argeoLogger.unregister(logContentProvider);
  71         }
  72
  73         public void setArgeoLogger(ArgeoLogger argeoLogger) {
  74                 this.argeoLogger = argeoLogger;
  75         }
  76
  77 }