1 package net.mograsim.plugin.tables.mi;
3 import java.io.BufferedReader;
5 import java.io.FileReader;
6 import java.io.IOException;
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.swt.widgets.FileDialog;
16 import org.eclipse.ui.IEditorInput;
17 import org.eclipse.ui.IEditorSite;
18 import org.eclipse.ui.IPathEditorInput;
19 import org.eclipse.ui.PartInitException;
20 import org.eclipse.ui.part.EditorPart;
22 import net.mograsim.machine.Memory.MemoryCellModifiedListener;
23 import net.mograsim.machine.mi.MicroInstructionMemory;
24 import net.mograsim.machine.mi.MicroInstructionMemory.ActiveMicroInstructionChangedListener;
25 import net.mograsim.machine.mi.MicroInstructionMemoryParseException;
26 import net.mograsim.machine.mi.MicroInstructionMemoryParser;
27 import net.mograsim.plugin.MachineContext;
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 String machineName;
38 private MicroInstructionMemory memory;
39 private InstructionTable table;
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 - 4)));
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 -> MachineContext.getInstance().getMachine().getMicroInstructionMemory().bind(memory));
84 public void bindMicroInstructionMemory(MicroInstructionMemory memory)
87 this.memory.registerCellModifiedListener(this);
88 this.memory.registerActiveMicroInstructionChangedListener(this);
90 table.bindMicroInstructionMemory(memory);
93 private void open(String file)
95 try (BufferedReader bf = new BufferedReader(new FileReader(file)))
97 machineName = bf.readLine();
98 bindMicroInstructionMemory(MicroInstructionMemoryParser.parseMemory(machineName, bf));
100 catch (IOException | MicroInstructionMemoryParseException e)
106 private void save(String file)
110 System.err.println("Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
115 MicroInstructionMemoryParser.write(memory, machineName, file);
117 catch (IOException e)
124 public void setFocus()
126 table.getTableViewer().getControl().setFocus();
130 public void doSave(IProgressMonitor progressMonitor)
132 IEditorInput input = getEditorInput();
133 if (input instanceof IPathEditorInput)
135 IPathEditorInput pathInput = (IPathEditorInput) input;
136 save(pathInput.getPath().toOSString());
142 public void doSaveAs()
147 private void openSaveAsDialog()
149 FileDialog d = new FileDialog(table.getTableViewer().getTable().getShell(), SWT.SAVE);
151 String filename = d.getFileName();
152 if (!filename.equals(""))
154 save(d.getFilterPath() + File.separator + filename);
160 public void init(IEditorSite site, IEditorInput input) throws PartInitException
164 if (input instanceof IPathEditorInput)
166 IPathEditorInput pathInput = (IPathEditorInput) input;
167 setPartName(pathInput.getName());
168 open(pathInput.getPath().toOSString());
173 public boolean isDirty()
179 public boolean isSaveAsAllowed()
185 public void update(long address)
191 private void setDirty(boolean value)
194 firePropertyChange(PROP_DIRTY);
198 public void activeMicroInstructionChanged(long address)
200 highlight((int) (address - memory.getDefinition().getMinimalAddress()));