+package net.mograsim.plugin.tables.mi;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.eclipse.jface.viewers.EditingSupport;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TableViewerColumn;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.ui.part.ViewPart;
+
+import net.mograsim.machine.mi.MicroInstructionDefinition;
+import net.mograsim.machine.mi.MicroprogramMemory;
+import net.mograsim.machine.mi.MicroprogramMemoryParseException;
+import net.mograsim.machine.mi.MicroprogramMemoryParser;
+import net.mograsim.machine.mi.parameters.ParameterClassification;
+import net.mograsim.plugin.asm.AsmNumberUtil.NumberType;
+import net.mograsim.plugin.tables.memory.DisplaySettings;
+import net.mograsim.plugin.util.DropDownMenu;
+import net.mograsim.plugin.util.DropDownMenu.DropDownEntry;
+
+public class InstructionView extends ViewPart
+{
+ private String saveLoc = null;
+ private TableViewer viewer;
+ private TableViewerColumn[] columns = new TableViewerColumn[0];
+ private MicroInstructionDefinition miDef;
+ private MicroprogramMemory memory;
+
+ @Override
+ public void createPartControl(Composite parent)
+ {
+ InstructionTableContentProvider provider = new InstructionTableContentProvider();
+ GridLayout layout = new GridLayout(1, false);
+ setupMenuButtons(parent);
+ parent.setLayout(layout);
+ viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
+ Table table = viewer.getTable();
+ table.setHeaderVisible(true);
+ table.setLinesVisible(true);
+ viewer.setUseHashlookup(true);
+ viewer.setContentProvider(provider);
+
+ viewer.getTable().setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH));
+ }
+
+ @SuppressWarnings("unused")
+ private void setupMenuButtons(Composite parent)
+ {
+ DropDownEntry open = new DropDownEntry("Open", (e) ->
+ {
+ FileDialog d = new FileDialog(parent.getShell(), SWT.NONE);
+ d.open();
+ String filename = d.getFileName();
+ if (!filename.equals(""))
+ open(d.getFilterPath() + File.separator + filename);
+ });
+
+ DropDownEntry save = new DropDownEntry("Save", (e) ->
+ {
+ if (saveLoc == null)
+ openSaveAsDialog(parent);
+ save(saveLoc);
+ });
+ DropDownEntry saveAs = new DropDownEntry("SaveAs", (e) ->
+ {
+ openSaveAsDialog(parent);
+ save(saveLoc);
+ });
+ new DropDownMenu(parent, "File", open, save, saveAs);
+ }
+
+ private void openSaveAsDialog(Composite parent)
+ {
+ FileDialog d = new FileDialog(parent.getShell(), SWT.SAVE);
+ d.open();
+ String filename = d.getFileName();
+ if (!filename.equals(""))
+ saveLoc = d.getFilterPath() + File.separator + filename;
+ }
+
+ public void bindMicroprogramMemory(MicroprogramMemory memory)
+ {
+ this.memory = memory;
+ viewer.setInput(memory);
+ }
+
+ public void bindMicroInstructionDef(MicroInstructionDefinition miDef)
+ {
+ this.miDef = miDef;
+ createColumns();
+ }
+
+ private void createColumns()
+ {
+ for (TableViewerColumn col : columns)
+ col.getColumn().dispose();
+ int size = miDef.size();
+ int bit = 0;
+ columns = new TableViewerColumn[size];
+ ParameterClassification[] classes = miDef.getParameterClassifications();
+
+ for (int i = 0; i < size; i++)
+ {
+ int startBit = bit;
+ int endBit = (bit = bit + classes[i].getExpectedBits()) - 1;
+ String name = startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
+ int bounds = 20 + 20 * classes[i].getExpectedBits();
+
+ TableViewerColumn col = createTableViewerColumn(name, bounds);
+ col.setLabelProvider(new ParameterLabelProvider(i));
+ col.setEditingSupport(createEditingSupport(miDef, i));
+ }
+
+ }
+
+ private EditingSupport createEditingSupport(MicroInstructionDefinition miDef, int index)
+ {
+ ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
+ switch (parameterClassification.getExpectedType())
+ {
+ case BOOLEAN_IMMEDIATE:
+ return new BooleanEditingSupport(viewer, index);
+ case INTEGER_IMMEDIATE:
+ return new IntegerEditingSupport(viewer, miDef, index, new DisplaySettings(NumberType.DECIMAL));
+ case MNEMONIC:
+ return new MnemonicEditingSupport(viewer, miDef, index);
+ default:
+ throw new IllegalStateException(
+ "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
+ }
+ }
+
+ private TableViewerColumn createTableViewerColumn(String title, int bound)
+ {
+ TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
+ TableColumn column = viewerColumn.getColumn();
+ column.setText(title);
+ column.setWidth(bound);
+ column.setResizable(true);
+ column.setMoveable(false);
+ return viewerColumn;
+ }
+
+ private void open(String file)
+ {
+ if (miDef == null)
+ {
+ System.err.println("Failed to parse MicroprogrammingMemory from File. No MicroInstructionDefinition assigned.");
+ return;
+ }
+ try
+ {
+ MicroprogramMemory newMemory = MicroprogramMemoryParser.parseMemory(miDef, file);
+ bindMicroprogramMemory(newMemory);
+ saveLoc = file;
+ }
+ catch (IOException | MicroprogramMemoryParseException e)
+ {
+ e.printStackTrace();
+ }
+ }
+
+ private void save(String file)
+ {
+ if (memory == null)
+ {
+ System.err.println("Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
+ }
+ if (saveLoc != null)
+ {
+ try
+ {
+ MicroprogramMemoryParser.write(memory, file);
+ }
+ catch (IOException e)
+ {
+ e.printStackTrace();
+ }
+ }
+ }
+
+ @Override
+ public void setFocus()
+ {
+ viewer.getControl().setFocus();
+ }
+}