import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.part.EditorPart;
+import net.mograsim.machine.Machine.ActiveMicroInstructionChangedListener;
import net.mograsim.machine.Memory.MemoryCellModifiedListener;
+import net.mograsim.machine.mi.AssignableMicroInstructionMemory.MIMemoryReassignedListener;
import net.mograsim.machine.mi.MicroInstructionMemory;
-import net.mograsim.machine.mi.MicroInstructionMemory.ActiveMicroInstructionChangedListener;
import net.mograsim.machine.mi.MicroInstructionMemoryParseException;
import net.mograsim.machine.mi.MicroInstructionMemoryParser;
import net.mograsim.plugin.nature.MachineContext;
+import net.mograsim.plugin.nature.MachineContext.ActiveMachineListener;
import net.mograsim.plugin.nature.ProjectMachineContext;
import net.mograsim.plugin.tables.DisplaySettings;
-import net.mograsim.plugin.tables.LazyTableViewer;
import net.mograsim.plugin.tables.RadixSelector;
-public class InstructionView extends EditorPart implements MemoryCellModifiedListener, ActiveMicroInstructionChangedListener
+public class InstructionView extends EditorPart
{
private InstructionTableContentProvider provider;
- private int highlighted = 0;
private boolean dirty = false;
private MicroInstructionMemory memory;
private InstructionTable table;
private MachineContext context;
+ // Listeners
+ private MemoryCellModifiedListener cellModifiedListener = address ->
+ {
+ setDirty(true);
+ table.refresh();
+ };
+
+ private ActiveMicroInstructionChangedListener instChangeListener = (oldAddress, newAddress) ->
+ {
+ highlight((int) (newAddress - memory.getDefinition().getMinimalAddress()));
+ };
+
+ private MIMemoryReassignedListener reassignedListener = newAssignee ->
+ {
+ // clear highlighting if the memory is reassigned
+ if (newAssignee != memory)
+ highlight(-1);
+ };
+
+ private ActiveMachineListener activeMachineListener = (oldMachine, newMachine) ->
+ {
+ // clear highlighting if the active machine changes
+ if (newMachine.isEmpty() || !newMachine.equals(oldMachine))
+ {
+ highlight(-1);
+ oldMachine.ifPresent(m -> m.getMicroInstructionMemory().deregisterMemoryReassignedListener(reassignedListener));
+ }
+ };
+
@SuppressWarnings("unused")
@Override
public void createPartControl(Composite parent)
new RadixSelector(parent, displaySettings);
addActivationButton(parent);
-
- table = new InstructionTable(parent, displaySettings);
+ table = new InstructionTable(parent, displaySettings, getSite().getWorkbenchWindow().getWorkbench().getThemeManager());
table.setContentProvider(provider);
table.bindMicroInstructionMemory(memory);
table.getTableViewer().getTable().setLayoutData(viewerData);
}
- public void highlight(int index)
+ public void highlight(int row)
{
- Display.getDefault().asyncExec(() ->
- {
- LazyTableViewer viewer = table.getTableViewer();
- viewer.highlightRow(highlighted, false);
- highlighted = index;
- viewer.highlightRow(index, true);
- viewer.getTable().showItem(viewer.getTable().getItem(Math.min((int) memory.getDefinition().getMaximalAddress(), index + 2)));
- viewer.getTable().showItem(viewer.getTable().getItem(index));
- });
+ table.highlight(row);
}
private void addActivationButton(Composite parent)
{
Button activationButton = new Button(parent, SWT.PUSH);
activationButton.setText("Set Active");
- activationButton.addListener(SWT.Selection,
- e -> context.getActiveMachine().ifPresent(m -> m.getMicroInstructionMemory().bind(memory)));
+ activationButton.addListener(SWT.Selection, e -> context.getActiveMachine().ifPresent(m ->
+ {
+ m.getMicroInstructionMemory().registerMemoryReassignedListener(reassignedListener);
+ context.addActiveMachineListener(activeMachineListener);
+ m.getMicroInstructionMemory().bind(memory);
+ m.addActiveMicroInstructionChangedListener(instChangeListener);
+ }));
}
public void bindMicroInstructionMemory(MicroInstructionMemory memory)
{
if (this.memory != null)
{
- this.memory.deregisterCellModifiedListener(this);
- this.memory.deregisterActiveMicroInstructionChangedListener(this);
+ this.memory.deregisterCellModifiedListener(cellModifiedListener);
}
this.memory = memory;
if (memory != null)
{
- this.memory.registerCellModifiedListener(this);
- this.memory.registerActiveMicroInstructionChangedListener(this);
+ this.memory.registerCellModifiedListener(cellModifiedListener);
}
if (table != null)
table.bindMicroInstructionMemory(memory);
return false;
}
- @Override
- public void update(long address)
- {
- setDirty(true);
- table.refresh();
- }
-
private void setDirty(boolean value)
{
dirty = value;
}
@Override
- public void activeMicroInstructionChanged(long address)
+ public void dispose()
{
- highlight((int) (address - memory.getDefinition().getMinimalAddress()));
+ memory.deregisterCellModifiedListener(cellModifiedListener);
+ context.getActiveMachine().ifPresent(m ->
+ {
+ m.removeActiveMicroInstructionChangedListener(instChangeListener);
+ m.getMicroInstructionMemory().deregisterMemoryReassignedListener(reassignedListener);
+ });
+ context.removeActiveMachineListener(activeMachineListener);
+ super.dispose();
}
}