Added Step by step execution to LogicUIPart

diff --git a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/views/LogicUIPart.java b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/views/LogicUIPart.java
index a36ae8c..b1d0756 100644 (file)
--- a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/views/LogicUIPart.java
+++ b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/views/LogicUIPart.java
@@ -10,12 +10,15 @@ 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.Slider;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.part.ViewPart;
 
 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.machine.Machine;
@@ -35,6 +38,7 @@ public class LogicUIPart extends ViewPart
 
        private LogicExecuter exec;
        private LogicUICanvas ui;
+       private Machine m;
 
        @Override
        public void dispose()
@@ -50,7 +54,7 @@ public class LogicUIPart extends ViewPart
                Preferences.setPreferences(new EclipsePreferences(PlatformUI.getWorkbench().getThemeManager().getCurrentTheme(),
                                MograsimActivator.instance().getPreferenceStore()));
 
-               Machine m = MachineContext.getInstance().getMachine();
+               m = MachineContext.getInstance().getMachine();
 
                // initialize UI
                GridLayout layout = new GridLayout(1, true);
@@ -89,14 +93,42 @@ public class LogicUIPart extends ViewPart
        private void addSimulationControlWidgets(Composite parent)
        {
                Composite c = new Composite(parent, SWT.NONE);
-               c.setLayout(new GridLayout(4, false));
+               c.setLayout(new GridLayout(5, false));
+               Button sbseButton = new Button(c, SWT.CHECK);
                Button pauseButton = new Button(c, SWT.TOGGLE);
+
+               LogicObserver clockObserver = o ->
+               {
+                       if (((CoreClock) o).isOn())
+                       {
+                               exec.pauseLiveExecution();
+                               Display.getDefault().asyncExec(() ->
+                               {
+                                       pauseButton.setSelection(false);
+                                       setPauseText(pauseButton, false);
+                               });
+                       }
+               };
+
+               sbseButton.addListener(SWT.Selection, e ->
+               {
+                       String statusString = "disabled";
+                       CoreClock cl = m.getClock();
+                       if (sbseButton.getSelection())
+                       {
+                               cl.registerObserver(clockObserver);
+                               statusString = "enabled";
+                       } else
+                               cl.deregisterObserver(clockObserver);
+                       sbseButton.setToolTipText(String.format("Step by step execution: %s", statusString));
+               });
+               sbseButton.setSelection(false);
+
                pauseButton.setSelection(true);
                setPauseText(pauseButton, false);
 
                pauseButton.addListener(SWT.Selection, e ->
                {
-                       setPauseText(pauseButton, false);
                        if (pauseButton.getSelection())
                        {
                                exec.unpauseLiveExecution();
@@ -105,6 +137,7 @@ public class LogicUIPart extends ViewPart
                                exec.pauseLiveExecution();
                        }
                });
+
                pauseButton.addMouseTrackListener(new MouseTrackListener()
                {
                        @Override
@@ -151,7 +184,7 @@ public class LogicUIPart extends ViewPart
                c.setVisible(true);
        }
 
-       private void setPauseText(Button pauseButton, boolean hovered)
+       private static void setPauseText(Button pauseButton, boolean hovered)
        {
                if (hovered)
                {