bundles/org.simantics.debug.ui/src/org/simantics/debug/ui/SessionDebuggerView.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.debug.ui;
  13
  14 import java.io.File;
  15 import java.io.IOException;
  16 import java.io.PrintStream;
  17 import java.nio.file.Files;
  18 import java.nio.file.Path;
  19 import java.util.Collections;
  20 import java.util.LinkedList;
  21 import java.util.Set;
  22
  23 import org.eclipse.core.runtime.IStatus;
  24 import org.eclipse.core.runtime.Status;
  25 import org.eclipse.osgi.util.NLS;
  26 import org.eclipse.swt.SWT;
  27 import org.eclipse.swt.browser.Browser;
  28 import org.eclipse.swt.custom.CTabFolder;
  29 import org.eclipse.swt.custom.CTabItem;
  30 import org.eclipse.swt.events.KeyAdapter;
  31 import org.eclipse.swt.events.KeyEvent;
  32 import org.eclipse.swt.layout.GridData;
  33 import org.eclipse.swt.widgets.Composite;
  34 import org.eclipse.swt.widgets.Control;
  35 import org.eclipse.swt.widgets.Text;
  36 import org.eclipse.ui.IWorkbenchSite;
  37 import org.simantics.Simantics;
  38 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;
  39 import org.simantics.db.WriteGraph;
  40 import org.simantics.db.common.request.WriteRequest;
  41 import org.simantics.db.debug.ListenerReport;
  42 import org.simantics.db.exception.CancelTransactionException;
  43 import org.simantics.db.exception.DatabaseException;
  44 import org.simantics.db.management.ISessionContext;
  45 import org.simantics.db.service.DebugSupport;
  46 import org.simantics.debug.ui.internal.Activator;
  47 import org.simantics.ui.workbench.IPropertyPage;
  48 import org.simantics.utils.ui.LayoutUtils;
  49 import org.simantics.utils.ui.SWTUtils;
  50 import org.simantics.views.swt.SimanticsView;
  51
  52 @SuppressWarnings("deprecation")
  53 public class SessionDebuggerView extends SimanticsView {
  54
  55     public static final String VIEW_ID = "org.simantics.debug.sessionDebugger"; //$NON-NLS-1$
  56
  57     private CTabFolder folder;
  58     private Text commandLine;
  59     private Browser console;
  60
  61     private final LinkedList<String> terminal = new LinkedList<String>();
  62     private final LinkedList<String> history = new LinkedList<String>();
  63     private int historyPosition = -1;
  64
  65     @Override
  66     protected Set<String> getBrowseContexts() {
  67         return Collections.singleton(""); //$NON-NLS-1$
  68     }
  69
  70     private CTabItem createItem(int index, CTabFolder folder, Control control) {
  71         CTabItem item = new CTabItem(folder, SWT.NONE, index);
  72         item.setControl(control);
  73         return item;
  74     }
  75
  76     @Override
  77     protected void createControls(Composite body, IWorkbenchSite site, ISessionContext context, WidgetSupport support) {
  78
  79         body.setLayout(LayoutUtils.createNoBorderGridLayout(1));
  80
  81         folder = new CTabFolder(body, SWT.BOTTOM | SWT.FLAT);
  82         folder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  83
  84         Composite shell = new Composite(folder, SWT.NONE);
  85         shell.setLayout(LayoutUtils.createNoBorderGridLayout(1));
  86
  87         commandLine = new Text(shell, SWT.BORDER);
  88         commandLine.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  89
  90         console = new Browser(shell, SWT.BORDER);
  91         console.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  92
  93         commandLine.addKeyListener(new KeyAdapter() {
  94             @Override
  95             public void keyReleased(KeyEvent e) {
  96                 if (e.keyCode == SWT.ARROW_UP) {
  97                     if (historyPosition > 10 || historyPosition >= (history.size() - 1)) {
  98                         return;
  99                     }
 100                     commandLine.setText(history.get(++historyPosition));
 101                 } else if (e.keyCode == SWT.ARROW_DOWN) {
 102                     if (historyPosition < 0) {
 103                         return;
 104                     } else if (historyPosition == 0) {
 105                         commandLine.setText(""); //$NON-NLS-1$
 106                         historyPosition = -1;
 107                     } else {
 108                         commandLine.setText(history.get(--historyPosition));
 109                     }
 110                 } else if (e.keyCode == SWT.ESC) {
 111                     historyPosition = -1;
 112                     commandLine.setText(""); //$NON-NLS-1$
 113                 } else if (e.keyCode == SWT.CR || e.keyCode == SWT.KEYPAD_CR) {
 114                     applyCommand(commandLine.getText());
 115                 }
 116             }
 117         });
 118
 119         CTabItem shellItem = createItem(0, folder, shell);
 120         shellItem.setText(Messages.SessionDebuggerView_Shell);
 121
 122 //        SessionDebugger deprecated = new SessionDebugger(folder, SWT.NONE, Simantics.getSession());
 123 //        deprecated.initializeUI();
 124 //        CTabItem debuggerItem = createItem(1, folder, deprecated);
 125 //        debuggerItem.setText("Debugger");
 126
 127         folder.setSelection(shellItem);
 128     }
 129
 130     private void applyCommand(final String command) {
 131         try {
 132             Simantics.getSession().syncRequest(new WriteRequest() {
 133                 @Override
 134                 public void perform(WriteGraph graph) throws DatabaseException {
 135                     DebugSupport support = graph.getService(DebugSupport.class);
 136                     Object data = support.query(graph, command);
 137                     apply(command, data);
 138                 }
 139             });
 140         } catch (CancelTransactionException e) {
 141         } catch (DatabaseException e) {
 142             Activator.getDefault().getLog().log(
 143                     new Status(IStatus.ERROR, Activator.PLUGIN_ID,
 144                             Messages.SessionDebuggerView_ActivatorUnexpectedException + command, e));
 145         }
 146     }
 147
 148     private void addHistory(String command, Object output) {
 149         if (output instanceof String) {
 150             terminal.addFirst((String) output);
 151         } else if (output instanceof Path) {
 152             try {
 153                 Path p = (Path) output;
 154                 long size = Files.size(p);
 155                 if (size < (1L << 16)) {
 156                     terminal.addFirst(new String(Files.readAllBytes(p), "UTF-8")); //$NON-NLS-1$
 157                 }
 158                 terminal.addFirst(NLS.bind(Messages.SessionDebuggerView_WroteCommand ,new Object[] { command  , p}));
 159             } catch (IOException e) {
 160                 Activator.getDefault().getLog().log(
 161                         new Status(IStatus.ERROR, Activator.PLUGIN_ID,
 162                                 NLS.bind(Messages.SessionDebuggerView_ActivatorUnexpectedIOException , new Object[]{ command, e})));
 163             }
 164         } else {
 165             throw new IllegalArgumentException("Unsupported output argument type " + output); //$NON-NLS-1$
 166         }
 167         if (terminal.size() > 10)
 168             terminal.removeLast();
 169
 170         history.addFirst(command);
 171         if (history.size() > 10)
 172             history.removeLast();
 173
 174         historyPosition = -1;
 175     }
 176
 177     private void apply(String command, Object data) {
 178         if (data instanceof String) {
 179             SWTUtils.asyncExec(commandLine, () -> {
 180                 commandLine.setText(""); //$NON-NLS-1$
 181                 addHistory(command, data);
 182                 console.setText(formatTerminal());
 183             });
 184         } else if (data instanceof ListenerReport) {
 185             SWTUtils.asyncExec(commandLine, () -> {
 186                 try {
 187                     addHistory(command, dumpListenerReport((ListenerReport) data));
 188                     commandLine.setText(""); //$NON-NLS-1$
 189                     console.setText(formatTerminal());
 190                 } catch (IOException e) {
 191                     Activator.getDefault().getLog().log(
 192                             new Status(IStatus.ERROR, Activator.PLUGIN_ID,
 193                                     Messages.SessionDebuggerView_ActivatorUnexpectedIOException + command, e));
 194                 }
 195             });
 196         }
 197     }
 198
 199     private Path dumpListenerReport(ListenerReport data) throws IOException {
 200         File f = Simantics.getTempfile("debug", "listenerReport"); //$NON-NLS-1$ //$NON-NLS-2$
 201         try (PrintStream out = new PrintStream(f, "UTF-8")) { //$NON-NLS-1$
 202             out.print("<pre>"); //$NON-NLS-1$
 203             data.print(out);
 204             out.print("</pre>"); //$NON-NLS-1$
 205         }
 206         return f.toPath();
 207     }
 208
 209     private String formatTerminal() {
 210         StringBuilder b = new StringBuilder();
 211         b.append("<html><head/><body>\n"); //$NON-NLS-1$
 212         for (String s : terminal)
 213             b.append(s).append("<br/>\n"); //$NON-NLS-1$
 214         b.append("</body></html>"); //$NON-NLS-1$
 215         return b.toString();
 216     }
 217
 218     @Override
 219     public void setFocus() {
 220         folder.setFocus();
 221     }
 222
 223     @Override
 224     protected IPropertyPage getPropertyPage() {
 225         return null;
 226     }
 227
 228 }