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

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