Made SimulationView(Editor) a View again
[Mograsim.git] / plugins / net.mograsim.plugin.core / src / net / mograsim / plugin / editors / SimulationViewEditor.java
diff --git a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/editors/SimulationViewEditor.java b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/editors/SimulationViewEditor.java
deleted file mode 100644 (file)
index 651852e..0000000
+++ /dev/null
@@ -1,395 +0,0 @@
-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();
-       }
-}
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