1 package net.mograsim.plugin.tables.mi;
3 import java.io.IOException;
4 import java.io.InputStream;
6 import org.eclipse.core.resources.IFile;
7 import org.eclipse.core.runtime.CoreException;
8 import org.eclipse.core.runtime.IProgressMonitor;
9 import org.eclipse.swt.SWT;
10 import org.eclipse.swt.layout.GridData;
11 import org.eclipse.swt.layout.GridLayout;
12 import org.eclipse.swt.widgets.Button;
13 import org.eclipse.swt.widgets.Composite;
14 import org.eclipse.swt.widgets.Display;
15 import org.eclipse.ui.IEditorInput;
16 import org.eclipse.ui.IEditorSite;
17 import org.eclipse.ui.IFileEditorInput;
18 import org.eclipse.ui.PartInitException;
19 import org.eclipse.ui.part.EditorPart;
21 import net.mograsim.machine.Memory.MemoryCellModifiedListener;
22 import net.mograsim.machine.mi.MicroInstructionMemory;
23 import net.mograsim.machine.mi.MicroInstructionMemory.ActiveMicroInstructionChangedListener;
24 import net.mograsim.machine.mi.MicroInstructionMemoryParseException;
25 import net.mograsim.machine.mi.MicroInstructionMemoryParser;
26 import net.mograsim.plugin.nature.MachineContext;
27 import net.mograsim.plugin.nature.ProjectMachineContext;
28 import net.mograsim.plugin.tables.DisplaySettings;
29 import net.mograsim.plugin.tables.LazyTableViewer;
30 import net.mograsim.plugin.tables.RadixSelector;
32 public class InstructionView extends EditorPart implements MemoryCellModifiedListener, ActiveMicroInstructionChangedListener
34 private InstructionTableContentProvider provider;
35 private int highlighted = 0;
36 private boolean dirty = false;
37 private MicroInstructionMemory memory;
38 private InstructionTable table;
39 private MachineContext context;
41 @SuppressWarnings("unused")
43 public void createPartControl(Composite parent)
45 provider = new InstructionTableLazyContentProvider();
46 GridLayout layout = new GridLayout(3, false);
47 parent.setLayout(layout);
49 DisplaySettings displaySettings = new DisplaySettings();
50 new RadixSelector(parent, displaySettings);
52 addActivationButton(parent);
54 table = new InstructionTable(parent, displaySettings);
55 table.setContentProvider(provider);
56 table.bindMicroInstructionMemory(memory);
58 GridData viewerData = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
59 viewerData.horizontalSpan = 3;
60 table.getTableViewer().getTable().setLayoutData(viewerData);
63 public void highlight(int index)
65 Display.getDefault().asyncExec(() ->
67 LazyTableViewer viewer = table.getTableViewer();
68 viewer.highlightRow(highlighted, false);
70 viewer.highlightRow(index, true);
71 viewer.getTable().showItem(viewer.getTable().getItem(Math.min((int) memory.getDefinition().getMaximalAddress(), index + 2)));
72 viewer.getTable().showItem(viewer.getTable().getItem(index));
76 private void addActivationButton(Composite parent)
78 Button activationButton = new Button(parent, SWT.PUSH);
79 activationButton.setText("Set Active");
80 activationButton.addListener(SWT.Selection,
81 e -> context.getActiveMachine().ifPresent(m -> m.getMicroInstructionMemory().bind(memory)));
84 public void bindMicroInstructionMemory(MicroInstructionMemory memory)
89 this.memory.registerCellModifiedListener(this);
90 this.memory.registerActiveMicroInstructionChangedListener(this);
93 table.bindMicroInstructionMemory(memory);
96 private void open(IFile file)
100 bindMicroInstructionMemory(MicroInstructionMemoryParser.parseMemory(context.getMachineDefinition()
101 .orElseThrow(() -> new MicroInstructionMemoryParseException("No MachineDefinition assigned!"))
102 .getMicroInstructionMemoryDefinition(), file.getContents()));
104 catch (IOException | MicroInstructionMemoryParseException | CoreException e)
107 // TODO: Proper handling via IProgressMonitor
112 private void save(IFile file, IProgressMonitor progressMonitor)
116 System.err.println("Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
119 try (InputStream toWrite = MicroInstructionMemoryParser.write(memory))
121 file.setContents(toWrite, 0, progressMonitor);
123 catch (IOException | CoreException e)
130 public void setFocus()
132 table.getTableViewer().getControl().setFocus();
136 public void doSave(IProgressMonitor progressMonitor)
138 IEditorInput input = getEditorInput();
139 if (input instanceof IFileEditorInput)
141 IFileEditorInput pathInput = (IFileEditorInput) input;
142 save(pathInput.getFile(), progressMonitor);
148 public void doSaveAs()
150 // openSaveAsDialog();
153 // private void openSaveAsDialog()
155 // FileDialog d = new FileDialog(table.getTableViewer().getTable().getShell(), SWT.SAVE);
157 // String filename = d.getFileName();
158 // if (!filename.equals(""))
160 // save(d.getFilterPath() + File.separator + filename);
166 public void init(IEditorSite site, IEditorInput input) throws PartInitException
171 if (input instanceof IFileEditorInput)
173 IFileEditorInput fileInput = (IFileEditorInput) input;
174 context = ProjectMachineContext.getMachineContextOf(fileInput.getFile().getProject());
176 setPartName(fileInput.getName());
177 open(fileInput.getFile());
183 public boolean isDirty()
189 public boolean isSaveAsAllowed()
195 public void update(long address)
201 private void setDirty(boolean value)
204 firePropertyChange(PROP_DIRTY);
208 public void activeMicroInstructionChanged(long address)
210 highlight((int) (address - memory.getDefinition().getMinimalAddress()));