1 package net.mograsim.plugin.tables.mi;
4 import java.io.IOException;
5 import java.util.Optional;
7 import org.eclipse.jface.viewers.ColumnLabelProvider;
8 import org.eclipse.jface.viewers.EditingSupport;
9 import org.eclipse.jface.viewers.TableViewerColumn;
10 import org.eclipse.swt.SWT;
11 import org.eclipse.swt.layout.GridData;
12 import org.eclipse.swt.layout.GridLayout;
13 import org.eclipse.swt.widgets.Composite;
14 import org.eclipse.swt.widgets.FileDialog;
15 import org.eclipse.swt.widgets.Table;
16 import org.eclipse.swt.widgets.TableColumn;
17 import org.eclipse.ui.part.ViewPart;
19 import net.mograsim.machine.Machine;
20 import net.mograsim.machine.mi.MicroInstructionDefinition;
21 import net.mograsim.machine.mi.MicroInstructionMemory;
22 import net.mograsim.machine.mi.MicroInstructionMemoryParseException;
23 import net.mograsim.machine.mi.MicroInstructionMemoryParser;
24 import net.mograsim.machine.mi.parameters.ParameterClassification;
25 import net.mograsim.plugin.MachineContext;
26 import net.mograsim.plugin.MachineContext.ContextObserver;
27 import net.mograsim.plugin.tables.AddressLabelProvider;
28 import net.mograsim.plugin.tables.DisplaySettings;
29 import net.mograsim.plugin.tables.LazyTableViewer;
30 import net.mograsim.plugin.tables.RadixSelector;
31 import net.mograsim.plugin.util.DropDownMenu;
32 import net.mograsim.plugin.util.DropDownMenu.DropDownEntry;
34 public class InstructionView extends ViewPart implements ContextObserver
36 private String saveLoc = null;
37 private LazyTableViewer viewer;
38 private TableViewerColumn[] columns = new TableViewerColumn[0];
39 private MicroInstructionDefinition miDef;
40 private MicroInstructionMemory memory;
41 private DisplaySettings displaySettings;
42 private InstructionTableContentProvider provider;
43 private int highlighted = 0;
45 @SuppressWarnings("unused")
47 public void createPartControl(Composite parent)
49 provider = new InstructionTableContentProvider();
50 GridLayout layout = new GridLayout(3, false);
51 setupMenuButtons(parent);
53 displaySettings = new DisplaySettings();
54 new RadixSelector(parent, displaySettings);
56 parent.setLayout(layout);
57 viewer = new LazyTableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
59 Table table = viewer.getTable();
60 table.setHeaderVisible(true);
61 table.setLinesVisible(true);
62 viewer.setUseHashlookup(true);
63 viewer.setContentProvider(provider);
64 getSite().setSelectionProvider(viewer);
66 GridData viewerData = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
67 viewerData.horizontalSpan = 3;
68 viewer.getTable().setLayoutData(viewerData);
70 displaySettings.addObserver(() -> viewer.refresh());
71 MachineContext.getInstance().registerObserver(this);
72 setMachine(Optional.ofNullable(MachineContext.getInstance().getMachine()));
75 public void highlight(int index)
77 viewer.highlightRow(highlighted, false);
78 viewer.highlightRow(index, true);
79 viewer.getTable().setTopIndex(index);
82 @SuppressWarnings("unused")
83 private void setupMenuButtons(Composite parent)
85 DropDownEntry open = new DropDownEntry("Open", (e) ->
87 FileDialog d = new FileDialog(parent.getShell(), SWT.NONE);
89 String filename = d.getFileName();
90 if (!filename.equals(""))
91 open(d.getFilterPath() + File.separator + filename);
94 DropDownEntry save = new DropDownEntry("Save", (e) ->
97 openSaveAsDialog(parent);
100 DropDownEntry saveAs = new DropDownEntry("SaveAs", (e) ->
102 openSaveAsDialog(parent);
105 new DropDownMenu(parent, "File", open, save, saveAs);
108 private void openSaveAsDialog(Composite parent)
110 FileDialog d = new FileDialog(parent.getShell(), SWT.SAVE);
112 String filename = d.getFileName();
113 if (!filename.equals(""))
114 saveLoc = d.getFilterPath() + File.separator + filename;
117 public void bindMicroInstructionMemory(MicroInstructionMemory memory)
120 this.memory = memory;
121 viewer.setInput(memory);
122 this.miDef = memory.getDefinition().getMicroInstructionDefinition();
126 private void deleteColumns()
128 for (TableViewerColumn col : columns)
130 col.getColumn().dispose();
133 private void createColumns()
135 TableViewerColumn col = createTableViewerColumn("Address", 200);
136 col.setLabelProvider(new AddressLabelProvider());
138 int size = miDef.size();
140 columns = new TableViewerColumn[size];
141 ParameterClassification[] classes = miDef.getParameterClassifications();
143 for (int i = 0; i < size; i++)
146 int endBit = (bit = bit + classes[i].getExpectedBits()) - 1;
147 String name = startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
148 int bounds = 20 + 20 * classes[i].getExpectedBits();
150 createEditingAndLabel(createTableViewerColumn(name, bounds), miDef, i);
154 private void createEditingAndLabel(TableViewerColumn col, MicroInstructionDefinition miDef, int index)
156 ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
157 EditingSupport support;
158 ColumnLabelProvider provider;
159 switch (parameterClassification.getExpectedType())
161 case BOOLEAN_IMMEDIATE:
162 support = new BooleanEditingSupport(viewer, miDef, index);
163 provider = new ParameterLabelProvider(index);
165 case INTEGER_IMMEDIATE:
166 support = new IntegerEditingSupport(viewer, miDef, index, displaySettings, this.provider);
167 provider = new IntegerColumnLabelProvider(displaySettings, index);
170 support = new MnemonicEditingSupport(viewer, miDef, index, this.provider);
171 provider = new ParameterLabelProvider(index);
174 throw new IllegalStateException(
175 "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
177 col.setEditingSupport(support);
178 col.setLabelProvider(provider);
179 col.getColumn().setToolTipText(miDef.getParameterDescription(index).orElse(""));
182 private TableViewerColumn createTableViewerColumn(String title, int bound)
184 TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
185 TableColumn column = viewerColumn.getColumn();
186 column.setText(title);
187 column.setWidth(bound);
188 column.setResizable(true);
189 column.setMoveable(false);
193 private void open(String file)
197 System.err.println("Failed to parse MicroprogrammingMemory from File. No MicroInstructionDefinition assigned.");
202 MicroInstructionMemoryParser.parseMemory(memory, file);
206 catch (IOException | MicroInstructionMemoryParseException e)
212 private void save(String file)
216 System.err.println("Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
222 MicroInstructionMemoryParser.write(memory, file);
224 catch (IOException e)
232 public void setFocus()
234 viewer.getControl().setFocus();
238 public void setMachine(Optional<Machine> machine)
240 if (machine.isPresent())
242 Machine actualMachine = machine.get();
243 bindMicroInstructionMemory(actualMachine.getMicroInstructionMemory());