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.TableViewer;
10 import org.eclipse.jface.viewers.TableViewerColumn;
11 import org.eclipse.swt.SWT;
12 import org.eclipse.swt.layout.GridData;
13 import org.eclipse.swt.layout.GridLayout;
14 import org.eclipse.swt.widgets.Composite;
15 import org.eclipse.swt.widgets.FileDialog;
16 import org.eclipse.swt.widgets.Table;
17 import org.eclipse.swt.widgets.TableColumn;
18 import org.eclipse.ui.part.ViewPart;
20 import net.mograsim.machine.Machine;
21 import net.mograsim.machine.mi.MicroInstructionDefinition;
22 import net.mograsim.machine.mi.MicroInstructionMemory;
23 import net.mograsim.machine.mi.MicroInstructionMemoryParseException;
24 import net.mograsim.machine.mi.MicroInstructionMemoryParser;
25 import net.mograsim.machine.mi.parameters.ParameterClassification;
26 import net.mograsim.plugin.MachineContext;
27 import net.mograsim.plugin.MachineContext.ContextObserver;
28 import net.mograsim.plugin.tables.AddressLabelProvider;
29 import net.mograsim.plugin.tables.DisplaySettings;
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 TableViewer viewer;
38 private TableViewerColumn[] columns = new TableViewerColumn[0];
39 private MicroInstructionDefinition miDef;
40 private MicroInstructionMemory memory;
41 private DisplaySettings displaySettings;
42 private InstructionTableContentProvider provider;
44 @SuppressWarnings("unused")
46 public void createPartControl(Composite parent)
48 provider = new InstructionTableContentProvider();
49 GridLayout layout = new GridLayout(3, false);
50 setupMenuButtons(parent);
52 displaySettings = new DisplaySettings();
53 new RadixSelector(parent, displaySettings);
55 parent.setLayout(layout);
56 viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
58 Table table = viewer.getTable();
59 table.setHeaderVisible(true);
60 table.setLinesVisible(true);
61 viewer.setUseHashlookup(true);
62 viewer.setContentProvider(provider);
63 getSite().setSelectionProvider(viewer);
65 GridData viewerData = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
66 viewerData.horizontalSpan = 3;
67 viewer.getTable().setLayoutData(viewerData);
69 displaySettings.addObserver(() -> viewer.refresh());
70 MachineContext.getInstance().registerObserver(this);
73 @SuppressWarnings("unused")
74 private void setupMenuButtons(Composite parent)
76 DropDownEntry open = new DropDownEntry("Open", (e) ->
78 FileDialog d = new FileDialog(parent.getShell(), SWT.NONE);
80 String filename = d.getFileName();
81 if (!filename.equals(""))
82 open(d.getFilterPath() + File.separator + filename);
85 DropDownEntry save = new DropDownEntry("Save", (e) ->
88 openSaveAsDialog(parent);
91 DropDownEntry saveAs = new DropDownEntry("SaveAs", (e) ->
93 openSaveAsDialog(parent);
96 new DropDownMenu(parent, "File", open, save, saveAs);
99 private void openSaveAsDialog(Composite parent)
101 FileDialog d = new FileDialog(parent.getShell(), SWT.SAVE);
103 String filename = d.getFileName();
104 if (!filename.equals(""))
105 saveLoc = d.getFilterPath() + File.separator + filename;
108 public void bindMicroInstructionMemory(MicroInstructionMemory memory)
111 this.memory = memory;
112 viewer.setInput(memory);
113 this.miDef = memory.getDefinition().getMicroInstructionDefinition();
117 private void deleteColumns()
119 for (TableViewerColumn col : columns)
120 col.getColumn().dispose();
123 private void createColumns()
125 TableViewerColumn col = createTableViewerColumn("Address", 200);
126 col.setLabelProvider(new AddressLabelProvider());
128 int size = miDef.size();
130 columns = new TableViewerColumn[size];
131 ParameterClassification[] classes = miDef.getParameterClassifications();
133 for (int i = 0; i < size; i++)
136 int endBit = (bit = bit + classes[i].getExpectedBits()) - 1;
137 String name = startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
138 int bounds = 20 + 20 * classes[i].getExpectedBits();
140 createEditingAndLabel(createTableViewerColumn(name, bounds), miDef, i);
145 private void createEditingAndLabel(TableViewerColumn col, MicroInstructionDefinition miDef, int index)
147 ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
148 EditingSupport support;
149 ColumnLabelProvider provider;
150 switch (parameterClassification.getExpectedType())
152 case BOOLEAN_IMMEDIATE:
153 support = new BooleanEditingSupport(viewer, miDef, index);
154 provider = new ParameterLabelProvider(index);
156 case INTEGER_IMMEDIATE:
157 support = new IntegerEditingSupport(viewer, miDef, index, displaySettings, this.provider);
158 provider = new IntegerColumnLabelProvider(displaySettings, index);
161 support = new MnemonicEditingSupport(viewer, miDef, index);
162 provider = new ParameterLabelProvider(index);
165 throw new IllegalStateException(
166 "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
168 col.setEditingSupport(support);
169 col.setLabelProvider(provider);
172 private TableViewerColumn createTableViewerColumn(String title, int bound)
174 TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
175 TableColumn column = viewerColumn.getColumn();
176 column.setText(title);
177 column.setWidth(bound);
178 column.setResizable(true);
179 column.setMoveable(false);
183 private void open(String file)
187 System.err.println("Failed to parse MicroprogrammingMemory from File. No MicroInstructionDefinition assigned.");
192 MicroInstructionMemoryParser.parseMemory(memory, file);
196 catch (IOException | MicroInstructionMemoryParseException e)
202 private void save(String file)
206 System.err.println("Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
212 MicroInstructionMemoryParser.write(memory, file);
214 catch (IOException e)
222 public void setFocus()
224 viewer.getControl().setFocus();
228 public void setMachine(Optional<Machine> machine)
230 if (machine.isPresent())
232 Machine actualMachine = machine.get();
233 bindMicroInstructionMemory(actualMachine.getMicroInstructionMemory());