The final restructured version for automatic build using maven tycho

[Mograsim.git] / plugins / net.mograsim.plugin.core / src / net / mograsim / plugin / tables / memory / MemoryView.java

diff --git a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/memory/MemoryView.java b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/memory/MemoryView.java
new file mode 100644 (file)
index 0000000..0936880
--- /dev/null
+++ b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/memory/MemoryView.java
@@ -0,0 +1,175 @@
+package net.mograsim.plugin.tables.memory;
+
+import java.math.BigInteger;
+import java.util.Optional;
+
+import org.eclipse.jface.viewers.TableViewerColumn;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.VerifyListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+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.Machine;
+import net.mograsim.machine.MainMemory;
+import net.mograsim.machine.MainMemoryDefinition;
+import net.mograsim.machine.standard.memory.WordAddressableMemory;
+import net.mograsim.plugin.MachineContext;
+import net.mograsim.plugin.MachineContext.ContextObserver;
+import net.mograsim.plugin.asm.AsmNumberUtil;
+import net.mograsim.plugin.tables.AddressLabelProvider;
+import net.mograsim.plugin.tables.DisplaySettings;
+import net.mograsim.plugin.tables.LazyTableViewer;
+import net.mograsim.plugin.tables.NumberColumnLabelProvider;
+import net.mograsim.plugin.tables.RadixSelector;
+
+public class MemoryView extends ViewPart implements ContextObserver
+{
+       private LazyTableViewer viewer;
+       private MemoryTableContentProvider provider;
+       private DisplaySettings displaySettings;
+
+       @Override
+       public void createPartControl(Composite parent)
+       {
+               provider = new MemoryTableContentProvider();
+               displaySettings = new DisplaySettings();
+
+               GridLayout layout = new GridLayout(6, false);
+               parent.setLayout(layout);
+
+               createHeader(parent);
+               createViewer(parent);
+
+               displaySettings.addObserver(() -> viewer.refresh());
+
+               setupContextBinding();
+       }
+
+       @SuppressWarnings("unused")
+       private void createHeader(Composite parent)
+       {
+               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 (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 (NumberFormatException ex)
+                       {
+                               // Nothing to do here
+                       }
+               });
+               new RadixSelector(parent, displaySettings);
+       }
+
+       private void createViewer(Composite parent)
+       {
+               viewer = new LazyTableViewer(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);
+               bindMainMemory(new WordAddressableMemory(MainMemoryDefinition.create(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 AddressLabelProvider());
+
+               col = createTableViewerColumn(titles[1], bounds[1]);
+               col.setLabelProvider(new NumberColumnLabelProvider(displaySettings)
+               {
+                       @Override
+                       public BigInteger getAsBigInteger(Object element)
+                       {
+                               MemoryTableRow row = (MemoryTableRow) element;
+                               return row.getMemory().getCellAsBigInteger(row.address);
+                       }
+
+               });
+               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();
+       }
+
+       private void bindMainMemory(MainMemory m)
+       {
+               viewer.setInput(m);
+       }
+
+       private void setupContextBinding()
+       {
+               MachineContext.getInstance().registerObserver(this);
+               setMachine(Optional.ofNullable(MachineContext.getInstance().getMachine()));
+       }
+
+       @Override
+       public void setMachine(Optional<Machine> machine)
+       {
+               if (machine.isPresent())
+                       bindMainMemory(machine.get().getMainMemory());
+       }
+}