X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=plugins%2Fnet.mograsim.plugin.core%2Fsrc%2Fnet%2Fmograsim%2Fplugin%2Ftables%2Fmi%2FInstructionView.java;h=b14e42db15ee434baef6daea3705e0e79f46e768;hb=2198fbadd2105c47ff4cd65d434616ae329802a1;hp=58676562f185f9bcffd327c45c6569b1cc4e0f56;hpb=7e700a185d137a754e47609e69cc044d0f65e9b3;p=Mograsim.git

diff --git a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java
index 58676562..b14e42db 100644
--- a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java
+++ b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java
@@ -5,6 +5,7 @@ import java.io.IOException;
 import java.util.Arrays;
 import java.util.Optional;
 
+import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.jface.viewers.ColumnLabelProvider;
 import org.eclipse.jface.viewers.EditingSupport;
 import org.eclipse.jface.viewers.TableViewerColumn;
@@ -15,9 +16,14 @@ import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.TableColumn;
-import org.eclipse.ui.part.ViewPart;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.IPathEditorInput;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.part.EditorPart;
 
 import net.mograsim.machine.Machine;
+import net.mograsim.machine.MemoryObserver;
 import net.mograsim.machine.mi.MicroInstructionDefinition;
 import net.mograsim.machine.mi.MicroInstructionMemory;
 import net.mograsim.machine.mi.MicroInstructionMemoryParseException;
@@ -33,7 +39,7 @@ import net.mograsim.plugin.tables.RadixSelector;
 import net.mograsim.plugin.util.DropDownMenu;
 import net.mograsim.plugin.util.DropDownMenu.DropDownEntry;
 
-public class InstructionView extends ViewPart implements ContextObserver
+public class InstructionView extends EditorPart implements ContextObserver, MemoryObserver
 {
 	private String saveLoc = null;
 	private LazyTableViewer viewer;
@@ -43,6 +49,7 @@ public class InstructionView extends ViewPart implements ContextObserver
 	private DisplaySettings displaySettings;
 	private InstructionTableContentProvider provider;
 	private int highlighted = 0;
+	private boolean dirty = false;
 
 	@SuppressWarnings("unused")
 	@Override
@@ -122,6 +129,7 @@ public class InstructionView extends ViewPart implements ContextObserver
 		this.memory = memory;
 		viewer.setInput(memory);
 		this.miDef = memory.getDefinition().getMicroInstructionDefinition();
+		this.memory.registerObserver(this);
 		createColumns();
 	}
 
@@ -250,17 +258,15 @@ public class InstructionView extends ViewPart implements ContextObserver
 		if (memory == null)
 		{
 			System.err.println("Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
+			return;
 		}
-		if (saveLoc != null)
+		try
 		{
-			try
-			{
-				MicroInstructionMemoryParser.write(memory, file);
-			}
-			catch (IOException e)
-			{
-				e.printStackTrace();
-			}
+			MicroInstructionMemoryParser.write(memory, file);
+		}
+		catch (IOException e)
+		{
+			e.printStackTrace();
 		}
 	}
 
@@ -279,4 +285,54 @@ public class InstructionView extends ViewPart implements ContextObserver
 			bindMicroInstructionMemory(actualMachine.getMicroInstructionMemory());
 		}
 	}
+
+	@Override
+	public void doSave(IProgressMonitor progressMonitor)
+	{
+		IEditorInput input = getEditorInput();
+		if (input instanceof IPathEditorInput)
+		{
+			IPathEditorInput pathInput = (IPathEditorInput) input;
+			save(pathInput.getPath().toOSString());
+			dirty = false;
+			firePropertyChange(PROP_DIRTY);
+		}
+	}
+
+	@Override
+	public void doSaveAs()
+	{
+		// not allowed
+	}
+
+	@Override
+	public void init(IEditorSite site, IEditorInput input) throws PartInitException
+	{
+		setSite(site);
+		setInput(input);
+		if (input instanceof IPathEditorInput)
+		{
+			IPathEditorInput pathInput = (IPathEditorInput) input;
+			open(pathInput.getPath().toOSString());
+		}
+	}
+
+	@Override
+	public boolean isDirty()
+	{
+		return dirty;
+	}
+
+	@Override
+	public boolean isSaveAsAllowed()
+	{
+		return false;
+	}
+
+	@Override
+	public void update(long address)
+	{
+		dirty = true;
+		firePropertyChange(PROP_DIRTY);
+	}
 }