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)
86 if (this.memory != null)
88 this.memory.deregisterCellModifiedListener(this);
89 this.memory.deregisterActiveMicroInstructionChangedListener(this);
94 this.memory.registerCellModifiedListener(this);
95 this.memory.registerActiveMicroInstructionChangedListener(this);
98 table.bindMicroInstructionMemory(memory);
101 private void open(IFile file) throws IOException, MicroInstructionMemoryParseException, CoreException
103 bindMicroInstructionMemory(MicroInstructionMemoryParser.parseMemory(
104 context.getMachineDefinition().orElseThrow(() -> new MicroInstructionMemoryParseException("No MachineDefinition assigned!"))
105 .getMicroInstructionMemoryDefinition(),
106 file.getContents()));
109 private void save(IFile file, IProgressMonitor progressMonitor) throws IOException, CoreException, MicroInstructionMemoryParseException
113 throw new MicroInstructionMemoryParseException(
114 "Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
116 try (InputStream toWrite = MicroInstructionMemoryParser.write(memory))
118 file.setContents(toWrite, 0, progressMonitor);
123 public void setFocus()
125 table.getTableViewer().getControl().setFocus();
129 public void doSave(IProgressMonitor progressMonitor)
131 IEditorInput input = getEditorInput();
132 if (input instanceof IFileEditorInput)
134 IFileEditorInput pathInput = (IFileEditorInput) input;
137 save(pathInput.getFile(), progressMonitor);
143 progressMonitor.setCanceled(true);
146 progressMonitor.setCanceled(true);
150 public void doSaveAs()
152 // openSaveAsDialog();
155 // private void openSaveAsDialog()
157 // FileDialog d = new FileDialog(table.getTableViewer().getTable().getShell(), SWT.SAVE);
159 // String filename = d.getFileName();
160 // if (!filename.equals(""))
162 // save(d.getFilterPath() + File.separator + filename);
168 public void init(IEditorSite site, IEditorInput input) throws PartInitException
174 if (input instanceof IFileEditorInput)
176 IFileEditorInput fileInput = (IFileEditorInput) input;
177 context = ProjectMachineContext.getMachineContextOf(fileInput.getFile().getProject());
178 setPartName(fileInput.getName());
179 open(fileInput.getFile());
184 throw new PartInitException("Failed to read input!", e);
190 public boolean isDirty()
196 public boolean isSaveAsAllowed()
202 public void update(long address)
208 private void setDirty(boolean value)
211 firePropertyChange(PROP_DIRTY);
215 public void activeMicroInstructionChanged(long address)
217 highlight((int) (address - memory.getDefinition().getMinimalAddress()));