net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java

   1 package net.mograsim.plugin.tables.mi;
   2
   3 import java.io.File;
   4 import java.io.IOException;
   5 import java.util.Optional;
   6
   7 import org.eclipse.jface.viewers.ColumnLabelProvider;
   8 import org.eclipse.jface.viewers.EditingSupport;
   9 import org.eclipse.jface.viewers.TableViewerColumn;
  10 import org.eclipse.swt.SWT;
  11 import org.eclipse.swt.layout.GridData;
  12 import org.eclipse.swt.layout.GridLayout;
  13 import org.eclipse.swt.widgets.Composite;
  14 import org.eclipse.swt.widgets.FileDialog;
  15 import org.eclipse.swt.widgets.Table;
  16 import org.eclipse.swt.widgets.TableColumn;
  17 import org.eclipse.ui.part.ViewPart;
  18
  19 import net.mograsim.machine.Machine;
  20 import net.mograsim.machine.mi.MicroInstructionDefinition;
  21 import net.mograsim.machine.mi.MicroInstructionMemory;
  22 import net.mograsim.machine.mi.MicroInstructionMemoryParseException;
  23 import net.mograsim.machine.mi.MicroInstructionMemoryParser;
  24 import net.mograsim.machine.mi.parameters.ParameterClassification;
  25 import net.mograsim.plugin.MachineContext;
  26 import net.mograsim.plugin.MachineContext.ContextObserver;
  27 import net.mograsim.plugin.tables.AddressLabelProvider;
  28 import net.mograsim.plugin.tables.DisplaySettings;
  29 import net.mograsim.plugin.tables.LazyTableViewer;
  30 import net.mograsim.plugin.tables.RadixSelector;
  31 import net.mograsim.plugin.util.DropDownMenu;
  32 import net.mograsim.plugin.util.DropDownMenu.DropDownEntry;
  33
  34 public class InstructionView extends ViewPart implements ContextObserver
  35 {
  36         private String saveLoc = null;
  37         private LazyTableViewer viewer;
  38         private TableViewerColumn[] columns = new TableViewerColumn[0];
  39         private MicroInstructionDefinition miDef;
  40         private MicroInstructionMemory memory;
  41         private DisplaySettings displaySettings;
  42         private InstructionTableContentProvider provider;
  43
  44         @SuppressWarnings("unused")
  45         @Override
  46         public void createPartControl(Composite parent)
  47         {
  48                 provider = new InstructionTableContentProvider();
  49                 GridLayout layout = new GridLayout(3, false);
  50                 setupMenuButtons(parent);
  51
  52                 displaySettings = new DisplaySettings();
  53                 new RadixSelector(parent, displaySettings);
  54
  55                 parent.setLayout(layout);
  56                 viewer = new LazyTableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
  57
  58                 Table table = viewer.getTable();
  59                 table.setHeaderVisible(true);
  60                 table.setLinesVisible(true);
  61                 viewer.setUseHashlookup(true);
  62                 viewer.setContentProvider(provider);
  63                 getSite().setSelectionProvider(viewer);
  64
  65                 GridData viewerData = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
  66                 viewerData.horizontalSpan = 3;
  67                 viewer.getTable().setLayoutData(viewerData);
  68
  69                 displaySettings.addObserver(() -> viewer.refreshLazy());
  70                 MachineContext.getInstance().registerObserver(this);
  71         }
  72
  73         @SuppressWarnings("unused")
  74         private void setupMenuButtons(Composite parent)
  75         {
  76                 DropDownEntry open = new DropDownEntry("Open", (e) ->
  77                 {
  78                         FileDialog d = new FileDialog(parent.getShell(), SWT.NONE);
  79                         d.open();
  80                         String filename = d.getFileName();
  81                         if (!filename.equals(""))
  82                                 open(d.getFilterPath() + File.separator + filename);
  83                 });
  84
  85                 DropDownEntry save = new DropDownEntry("Save", (e) ->
  86                 {
  87                         if (saveLoc == null)
  88                                 openSaveAsDialog(parent);
  89                         save(saveLoc);
  90                 });
  91                 DropDownEntry saveAs = new DropDownEntry("SaveAs", (e) ->
  92                 {
  93                         openSaveAsDialog(parent);
  94                         save(saveLoc);
  95                 });
  96                 new DropDownMenu(parent, "File", open, save, saveAs);
  97         }
  98
  99         private void openSaveAsDialog(Composite parent)
 100         {
 101                 FileDialog d = new FileDialog(parent.getShell(), SWT.SAVE);
 102                 d.open();
 103                 String filename = d.getFileName();
 104                 if (!filename.equals(""))
 105                         saveLoc = d.getFilterPath() + File.separator + filename;
 106         }
 107
 108         public void bindMicroInstructionMemory(MicroInstructionMemory memory)
 109         {
 110                 deleteColumns();
 111                 this.memory = memory;
 112                 viewer.setInput(memory);
 113                 this.miDef = memory.getDefinition().getMicroInstructionDefinition();
 114                 createColumns();
 115         }
 116
 117         private void deleteColumns()
 118         {
 119                 for (TableViewerColumn col : columns)
 120                         col.getColumn().dispose();
 121         }
 122
 123         private void createColumns()
 124         {
 125                 TableViewerColumn col = createTableViewerColumn("Address", 200);
 126                 col.setLabelProvider(new AddressLabelProvider());
 127
 128                 int size = miDef.size();
 129                 int bit = 0;
 130                 columns = new TableViewerColumn[size];
 131                 ParameterClassification[] classes = miDef.getParameterClassifications();
 132
 133                 for (int i = 0; i < size; i++)
 134                 {
 135                         int startBit = bit;
 136                         int endBit = (bit = bit + classes[i].getExpectedBits()) - 1;
 137                         String name = startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
 138                         int bounds = 20 + 20 * classes[i].getExpectedBits();
 139
 140                         createEditingAndLabel(createTableViewerColumn(name, bounds), miDef, i);
 141                 }
 142
 143         }
 144
 145         private void createEditingAndLabel(TableViewerColumn col, MicroInstructionDefinition miDef, int index)
 146         {
 147                 ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
 148                 EditingSupport support;
 149                 ColumnLabelProvider provider;
 150                 switch (parameterClassification.getExpectedType())
 151                 {
 152                 case BOOLEAN_IMMEDIATE:
 153                         support = new BooleanEditingSupport(viewer, miDef, index);
 154                         provider = new ParameterLabelProvider(index);
 155                         break;
 156                 case INTEGER_IMMEDIATE:
 157                         support = new IntegerEditingSupport(viewer, miDef, index, displaySettings, this.provider);
 158                         provider = new IntegerColumnLabelProvider(displaySettings, index);
 159                         break;
 160                 case MNEMONIC:
 161                         support = new MnemonicEditingSupport(viewer, miDef, index, this.provider);
 162                         provider = new ParameterLabelProvider(index);
 163                         break;
 164                 default:
 165                         throw new IllegalStateException(
 166                                         "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
 167                 }
 168                 col.setEditingSupport(support);
 169                 col.setLabelProvider(provider);
 170         }
 171
 172         private TableViewerColumn createTableViewerColumn(String title, int bound)
 173         {
 174                 TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
 175                 TableColumn column = viewerColumn.getColumn();
 176                 column.setText(title);
 177                 column.setWidth(bound);
 178                 column.setResizable(true);
 179                 column.setMoveable(false);
 180                 return viewerColumn;
 181         }
 182
 183         private void open(String file)
 184         {
 185                 if (miDef == null)
 186                 {
 187                         System.err.println("Failed to parse MicroprogrammingMemory from File. No MicroInstructionDefinition assigned.");
 188                         return;
 189                 }
 190                 try
 191                 {
 192                         MicroInstructionMemoryParser.parseMemory(memory, file);
 193                         viewer.refresh();
 194                         saveLoc = file;
 195                 }
 196                 catch (IOException | MicroInstructionMemoryParseException e)
 197                 {
 198                         e.printStackTrace();
 199                 }
 200         }
 201
 202         private void save(String file)
 203         {
 204                 if (memory == null)
 205                 {
 206                         System.err.println("Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
 207                 }
 208                 if (saveLoc != null)
 209                 {
 210                         try
 211                         {
 212                                 MicroInstructionMemoryParser.write(memory, file);
 213                         }
 214                         catch (IOException e)
 215                         {
 216                                 e.printStackTrace();
 217                         }
 218                 }
 219         }
 220
 221         @Override
 222         public void setFocus()
 223         {
 224                 viewer.getControl().setFocus();
 225         }
 226
 227         @Override
 228         public void setMachine(Optional<Machine> machine)
 229         {
 230                 if (machine.isPresent())
 231                 {
 232                         Machine actualMachine = machine.get();
 233                         bindMicroInstructionMemory(actualMachine.getMicroInstructionMemory());
 234                 }
 235         }
 236 }