-package net.mograsim.plugin.memory;
-
-import org.eclipse.jface.viewers.ColumnLabelProvider;
-import org.eclipse.jface.viewers.TableViewer;
-import org.eclipse.jface.viewers.TableViewerColumn;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.SelectionListener;
-import org.eclipse.swt.events.VerifyListener;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Combo;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.Table;
-import org.eclipse.swt.widgets.TableColumn;
-import org.eclipse.swt.widgets.Text;
-import org.eclipse.ui.part.ViewPart;
-
-import net.mograsim.machine.DefaultMainMemoryDefinition;
-import net.mograsim.machine.MainMemory;
-import net.mograsim.machine.standard.memory.WordAddressableMemory;
-import net.mograsim.plugin.asm.AsmNumberUtil;
-import net.mograsim.plugin.asm.AsmNumberUtil.NumberType;
-
-public class MemoryView extends ViewPart
-{
- private TableViewer viewer;
- private MemoryTableContentProvider provider;
- private DisplaySettings displaySettings;
- private String addressFormat;
-
- @Override
- public void createPartControl(Composite parent)
- {
- provider = new MemoryTableContentProvider();
- displaySettings = new DisplaySettings();
- displaySettings.setDataNumberType(NumberType.HEXADECIMAL);
-
- GridLayout layout = new GridLayout(6, false);
- parent.setLayout(layout);
- Label fromLabel = new Label(parent, SWT.NONE);
- fromLabel.setText("Address: ");
- Text fromText = new Text(parent, SWT.BORDER | SWT.SEARCH);
- fromText.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_HORIZONTAL));
- VerifyListener vl = new NumberVerifyListener();
- fromText.addVerifyListener(vl);
- fromText.setText("0");
- fromText.addModifyListener(e ->
- {
- try
- {
- provider.setLowerBound(AsmNumberUtil.valueOf(fromText.getText()).longValue());
- viewer.refresh();
- }
- catch (@SuppressWarnings("unused") NumberFormatException ex)
- {
- // Nothing to do here
- }
- });
-
- Label amountLabel = new Label(parent, SWT.NONE);
- amountLabel.setText("Number of cells: ");
- Text amountText = new Text(parent, SWT.BORDER | SWT.SEARCH);
- amountText.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_HORIZONTAL));
- amountText.addVerifyListener(vl);
- amountText.setText("0");
- amountText.addModifyListener(e ->
- {
- try
- {
- provider.setAmount(AsmNumberUtil.valueOf(amountText.getText()).intValue());
- viewer.refresh();
- }
- catch (@SuppressWarnings("unused") NumberFormatException ex)
- {
- // Nothing to do here
- }
- });
-
- setupRadixSelector(parent);
-
- createViewer(parent);
- }
-
- private void setupRadixSelector(Composite parent)
- {
- Label radixLabel = new Label(parent, SWT.NONE);
- radixLabel.setText("Radix: ");
- Combo selectRadix = new Combo(parent, SWT.READ_ONLY);
-
- String entries[] = new String[] { "Binary", "Octal", "Decimal", "Hexadecimal" };
- NumberType corTypes[] = new NumberType[] { NumberType.BINARY, NumberType.OCTAL, NumberType.DECIMAL, NumberType.HEXADECIMAL };
- selectRadix.setItems(entries);
- selectRadix.addSelectionListener(new SelectionListener()
- {
- @Override
- public void widgetSelected(SelectionEvent e)
- {
- int index = selectRadix.getSelectionIndex();
- if (index == -1)
- displaySettings.setDataNumberType(NumberType.HEXADECIMAL);
- else
- {
- displaySettings.setDataNumberType(corTypes[index]);
- }
- viewer.refresh();
- }
-
- @Override
- public void widgetDefaultSelected(SelectionEvent e)
- {
- widgetSelected(e);
- }
- });
- }
-
- private void createViewer(Composite parent)
- {
- viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
- createColumns();
- Table table = viewer.getTable();
- table.setHeaderVisible(true);
- table.setLinesVisible(true);
- viewer.setUseHashlookup(true);
- viewer.setContentProvider(provider);
- setMemoryBinding(new WordAddressableMemory(new DefaultMainMemoryDefinition(8, 8, 8L, Long.MAX_VALUE)));
- getSite().setSelectionProvider(viewer);
-
- GridData gd = new GridData();
- gd.verticalAlignment = GridData.FILL;
- gd.horizontalSpan = 6;
- gd.grabExcessHorizontalSpace = true;
- gd.grabExcessVerticalSpace = true;
- gd.horizontalAlignment = GridData.FILL;
- viewer.getControl().setLayoutData(gd);
- }
-
- private void createColumns()
- {
- String[] titles = { "Address", "Data" };
- int[] bounds = { 100, 100 };
-
- TableViewerColumn col = createTableViewerColumn(titles[0], bounds[0]);
- col.setLabelProvider(new ColumnLabelProvider()
- {
- @Override
- public String getText(Object element)
- {
- MemoryTableRow row = (MemoryTableRow) element;
- return String.format(addressFormat, row.address);// TODO: make the string length dependent on memory address length
- }
- });
-
- col = createTableViewerColumn(titles[1], bounds[1]);
- col.setLabelProvider(new ColumnLabelProvider()
- {
- @Override
- public String getText(Object element)
- {
- MemoryTableRow row = (MemoryTableRow) element;
- return AsmNumberUtil.toString(row.getMemory().getCellAsBigInteger(row.address), displaySettings.getDataNumberType());
- }
- });
- col.setEditingSupport(new MemoryCellEditingSupport(viewer, displaySettings));
- }
-
- 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;
- }
-
- @Override
- public void setFocus()
- {
- viewer.getControl().setFocus();
- }
-
- public void setMemoryBinding(MainMemory m)
- {
- int hexAddressLength = Long.toUnsignedString(m.getDefinition().getMaximalAddress(), 16).length();
- addressFormat = "0x%0" + hexAddressLength + "X";
- viewer.setInput(m);
- }
-
- public static class DisplaySettings
- {
- private AsmNumberUtil.NumberType dataNumberType;
-
- public AsmNumberUtil.NumberType getDataNumberType()
- {
- return dataNumberType;
- }
-
- public void setDataNumberType(AsmNumberUtil.NumberType dataNumberType)
- {
- this.dataNumberType = dataNumberType;
- }
- }
-}