-package net.mograsim.plugin.editors;
-
-import java.io.ByteArrayInputStream;
-import java.util.Optional;
-
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.jface.util.SafeRunnable;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.MouseEvent;
-import org.eclipse.swt.events.MouseTrackListener;
-import org.eclipse.swt.layout.FillLayout;
-import org.eclipse.swt.layout.GridData;
-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.swt.widgets.Label;
-import org.eclipse.swt.widgets.Scale;
-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.haspamelodica.swt.helper.input.DoubleInput;
-import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;
-import net.mograsim.logic.core.LogicObserver;
-import net.mograsim.logic.core.components.CoreClock;
-import net.mograsim.logic.model.LogicExecuter;
-import net.mograsim.logic.model.LogicUICanvas;
-import net.mograsim.logic.model.serializing.IndirectModelComponentCreator;
-import net.mograsim.machine.Machine;
-import net.mograsim.machine.Memory.MemoryCellModifiedListener;
-import net.mograsim.machine.mi.AssignableMicroInstructionMemory;
-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.mi.ActiveInstructionPreviewContentProvider;
-import net.mograsim.plugin.tables.mi.InstructionTable;
-import net.mograsim.preferences.Preferences;
-
-//TODO what if we open multiple editors?
-//TODO actually save / load register and latch states
-public class SimulationViewEditor extends EditorPart
-{
- private static final int SIM_SPEED_SCALE_STEPS = 50;
- private static final double SIM_SPEED_SCALE_STEP_FACTOR = 1.32;
- private static final double SIM_SPEED_SCALE_STEP_FACTOR_LOG = Math.log(SIM_SPEED_SCALE_STEP_FACTOR);
-
- private MachineContext context;
-
- private LogicExecuter exec;
- private Machine machine;
-
- private Composite parent;
- private Button resetButton;
- private Button sbseButton;
- private Button pauseButton;
- private Scale simSpeedScale;
- private DoubleInput simSpeedInput;
- private Composite canvasParent;
- private LogicUICanvas canvas;
- private InstructionTable instPreview;
- private Label noMachineLabel;
-
- private ActiveMachineListener activeMachineListener;
- private MemoryCellModifiedListener memCellListener;
- private LogicObserver clockObserver;
-
- public SimulationViewEditor()
- {
- activeMachineListener = (oldM, newM) -> recreateContextDependentControls();
- memCellListener = a -> instPreview.refresh();
- clockObserver = o ->
- {
- if (((CoreClock) o).isOn())
- {
- exec.pauseLiveExecution();
- if (!pauseButton.isDisposed())
- Display.getDefault().asyncExec(() ->
- {
- if (!pauseButton.isDisposed())
- pauseButton.setSelection(false);
- setPauseText(pauseButton, false);
- });
- }
- };
- }
-
- @Override
- public void createPartControl(Composite parent)
- {
- this.parent = parent;
- // initialize UI
- parent.setLayout(new GridLayout());
-
- noMachineLabel = new Label(parent, SWT.NONE);
- noMachineLabel.setText("No machine present...");// TODO internationalize?
- addSimulationControlWidgets(parent);
- canvasParent = new Composite(parent, SWT.NONE);
- canvasParent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
- canvasParent.setLayout(new FillLayout());
- addInstructionPreviewControlWidgets(parent);
- recreateContextDependentControls();
- }
-
- private void recreateContextDependentControls()
- {
- if (parent == null)
- // createPartControls has not been called yet
- return;
-
- double offX;
- double offY;
- double zoom;
- stopExecAndDeregisterContextDependentListeners();
- if (canvas != null)
- {
- offX = canvas.getOffX();
- offY = canvas.getOffY();
- zoom = canvas.getZoom();
- canvas.dispose();
- } else
- {
- offX = 0;
- offY = 0;
- zoom = -1;
- }
-
- Optional<Machine> machineOptional;
- if (context != null && (machineOptional = context.getActiveMachine()).isPresent())
- {
- noMachineLabel.setVisible(false);
- resetButton.setEnabled(true);
- sbseButton.setEnabled(true);
- pauseButton.setEnabled(true);
- simSpeedScale.setEnabled(true);
- simSpeedInput.setEnabled(true);
-
- machine = machineOptional.get();
- canvas = new LogicUICanvas(canvasParent, SWT.NONE, machine.getModel());
- canvas.addListener(SWT.MouseDown, e -> canvas.setFocus());
- ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(canvas);
- userInput.buttonDrag = Preferences.current().getInt("net.mograsim.logic.model.button.drag");
- userInput.buttonZoom = Preferences.current().getInt("net.mograsim.logic.model.button.zoom");
- userInput.enableUserInput();
- if (zoom > 0)
- {
- canvas.moveTo(offX, offY, zoom);
- canvas.commitTransform();
- }
-
- AssignableMicroInstructionMemory mIMemory = machine.getMicroInstructionMemory();
- instPreview.bindMicroInstructionMemory(mIMemory);
- mIMemory.registerCellModifiedListener(memCellListener);
-
- canvasParent.layout();
-
- // update preview
- ((ActiveInstructionPreviewContentProvider) instPreview.getTableViewer().getContentProvider()).setMachine(machine);
-
- // initialize executer
- exec = new LogicExecuter(machine.getTimeline());
- updateSpeedFactorFromInput(simSpeedInput.getValue());
- updatePausedState();
- exec.startLiveExecution();
- } else
- {
- noMachineLabel.setVisible(true);
- resetButton.setEnabled(false);
- sbseButton.setEnabled(false);
- pauseButton.setEnabled(false);
- simSpeedScale.setEnabled(false);
- simSpeedInput.setEnabled(false);
- }
- }
-
- private void stopExecAndDeregisterContextDependentListeners()
- {
- if (exec != null)
- exec.stopLiveExecution();
- if (machine != null)
- {
- machine.getMicroInstructionMemory().deregisterCellModifiedListener(memCellListener);
- machine.getClock().deregisterObserver(clockObserver);
- }
- }
-
- private void addSimulationControlWidgets(Composite parent)
- {
- Composite c = new Composite(parent, SWT.NONE);
- c.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
- c.setLayout(new GridLayout(7, false));
-
- resetButton = new Button(c, SWT.PUSH);
- resetButton.setText("Reset machine");
- resetButton.addListener(SWT.Selection, e -> context.getActiveMachine().get().reset());
-
- // TODO do we want this button in the final product?
- Button reloadMachineButton = new Button(c, SWT.PUSH);
- reloadMachineButton.setText("Reload machine");
- reloadMachineButton.addListener(SWT.Selection, e ->
- {
- IndirectModelComponentCreator.clearComponentCache();
- context.setActiveMachine(context.getMachineDefinition().get().createNew());
- });
-
- sbseButton = new Button(c, SWT.CHECK);
- pauseButton = new Button(c, SWT.TOGGLE);
-
- sbseButton.setText("Step by step execution");
- sbseButton.addListener(SWT.Selection, e ->
- {
- CoreClock cl = machine.getClock();
- if (sbseButton.getSelection())
- cl.registerObserver(clockObserver);
- else
- cl.deregisterObserver(clockObserver);
- });
- sbseButton.setSelection(false);
-
- pauseButton.setSelection(true);
- setPauseText(pauseButton, false);
-
- pauseButton.addListener(SWT.Selection, e -> updatePausedState());
- pauseButton.addMouseTrackListener(new MouseTrackListener()
- {
- @Override
- public void mouseHover(MouseEvent e)
- {
- // nothing
- }
-
- @Override
- public void mouseExit(MouseEvent e)
- {
- setPauseText(pauseButton, false);
- }
-
- @Override
- public void mouseEnter(MouseEvent e)
- {
- setPauseText(pauseButton, true);
- }
- });
-
- new Label(c, SWT.NONE).setText("Simulation Speed: ");
-
- simSpeedScale = new Scale(c, SWT.NONE);
- simSpeedScale.setMinimum(0);
- simSpeedScale.setMaximum(SIM_SPEED_SCALE_STEPS);
- simSpeedScale.setIncrement(1);
- simSpeedScale.setSelection(0);
- simSpeedScale.addListener(SWT.Selection, e -> updateSpeedFactorFromScale());
-
- simSpeedInput = new DoubleInput(c, SWT.NONE);
- simSpeedInput.setPrecision(Preferences.current().getInt("net.mograsim.plugin.core.simspeedprecision"));
- simSpeedInput.addChangeListener(this::updateSpeedFactorFromInput);
-
- updateSpeedFactorFromScale();
-
- c.layout();
- }
-
- private void updatePausedState()
- {
- setPauseText(pauseButton, false);
- if (exec != null)
- if (pauseButton.getSelection())
- exec.unpauseLiveExecution();
- else
- exec.pauseLiveExecution();
- }
-
- private void updateSpeedFactorFromScale()
- {
- double factor = Math.pow(SIM_SPEED_SCALE_STEP_FACTOR, simSpeedScale.getSelection() - SIM_SPEED_SCALE_STEPS);
- simSpeedInput.setValue(factor);
- if (exec != null)
- exec.setSpeedFactor(factor);
- }
-
- private void updateSpeedFactorFromInput(double factor)
- {
- double factorCheckedFor0;
- if (factor != 0)
- factorCheckedFor0 = factor;
- else
- {
- factorCheckedFor0 = Math.pow(10, -simSpeedInput.getPrecision());
- simSpeedInput.setValue(factorCheckedFor0);
- }
- int closestScalePos = (int) Math.round(Math.log(factorCheckedFor0) / SIM_SPEED_SCALE_STEP_FACTOR_LOG + SIM_SPEED_SCALE_STEPS);
- simSpeedScale.setSelection(Math.min(Math.max(closestScalePos, 0), SIM_SPEED_SCALE_STEPS));
- if (exec != null)
- exec.setSpeedFactor(factorCheckedFor0);
- }
-
- private void addInstructionPreviewControlWidgets(Composite parent)
- {
- instPreview = new InstructionTable(parent, new DisplaySettings(), getSite().getWorkbenchWindow().getWorkbench().getThemeManager());
- instPreview.getTableViewer().getTable().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
- ActiveInstructionPreviewContentProvider cProv;
- instPreview.setContentProvider(cProv = new ActiveInstructionPreviewContentProvider(instPreview.getTableViewer()));
- cProv.setMachine(machine);
- }
-
- private static void setPauseText(Button pauseButton, boolean hovered)
- {
- if (hovered)
- if (pauseButton.getSelection())
- pauseButton.setText("Pause?");
- else
- pauseButton.setText("Resume?");
- else if (pauseButton.getSelection())
- pauseButton.setText("Running");
- else
- pauseButton.setText("Paused");
- }
-
- @Override
- public void init(IEditorSite site, IEditorInput input) throws PartInitException
- {
- if (input instanceof IFileEditorInput)
- {
- IFileEditorInput fileInput = (IFileEditorInput) input;
- context = ProjectMachineContext.getMachineContextOf(fileInput.getFile().getProject());
- context.activateMachine();
- context.addActiveMachineListener(activeMachineListener);
- recreateContextDependentControls();
-
- setPartName(fileInput.getName());
- open(fileInput.getFile());
- } else
- throw new IllegalArgumentException("SimulationViewEditor can only be used with Files");
-
- setSite(site);
- setInput(input);
- }
-
- @Override
- public void doSave(IProgressMonitor monitor)
- {
- IEditorInput input = getEditorInput();
- if (input instanceof IFileEditorInput)
- SafeRunnable.getRunner().run(() -> save(((IFileEditorInput) input).getFile(), monitor));
- else
- throw new IllegalArgumentException("SimulationViewEditor can only be used with Files");
- }
-
- private void save(IFile file, IProgressMonitor monitor) throws CoreException
- {
- file.setContents(new ByteArrayInputStream("actual contents will go here".getBytes()), 0, monitor);
- }
-
- private void open(IFile file)
- {
- // do nothing yet
- }
-
- @Override
- public void doSaveAs()
- {
- throw new UnsupportedOperationException();
- }
-
- @Override
- public boolean isDirty()
- {
- return false;
- }
-
- @Override
- public boolean isSaveAsAllowed()
- {
- return false;
- }
-
- @Override
- public void setFocus()
- {
- canvas.setFocus();
- }
-
- @Override
- public void dispose()
- {
- stopExecAndDeregisterContextDependentListeners();
- context.removeActiveMachineListener(activeMachineListener);
- super.dispose();
- }
-}
\ No newline at end of file