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