1 package net.mograsim.plugin.tables.mi;
4 import java.io.IOException;
6 import org.eclipse.jface.viewers.EditingSupport;
7 import org.eclipse.jface.viewers.TableViewer;
8 import org.eclipse.jface.viewers.TableViewerColumn;
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.Composite;
13 import org.eclipse.swt.widgets.FileDialog;
14 import org.eclipse.swt.widgets.Table;
15 import org.eclipse.swt.widgets.TableColumn;
16 import org.eclipse.ui.part.ViewPart;
18 import net.mograsim.machine.mi.MicroInstructionDefinition;
19 import net.mograsim.machine.mi.MicroprogramMemory;
20 import net.mograsim.machine.mi.MicroprogramMemoryParseException;
21 import net.mograsim.machine.mi.MicroprogramMemoryParser;
22 import net.mograsim.machine.mi.parameters.ParameterClassification;
23 import net.mograsim.plugin.asm.AsmNumberUtil.NumberType;
24 import net.mograsim.plugin.tables.memory.DisplaySettings;
25 import net.mograsim.plugin.util.DropDownMenu;
26 import net.mograsim.plugin.util.DropDownMenu.DropDownEntry;
28 public class InstructionView extends ViewPart
30 private String saveLoc = null;
31 private TableViewer viewer;
32 private TableViewerColumn[] columns = new TableViewerColumn[0];
33 private MicroInstructionDefinition miDef;
34 private MicroprogramMemory memory;
37 public void createPartControl(Composite parent)
39 InstructionTableContentProvider provider = new InstructionTableContentProvider();
40 GridLayout layout = new GridLayout(1, false);
41 setupMenuButtons(parent);
42 parent.setLayout(layout);
43 viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
44 Table table = viewer.getTable();
45 table.setHeaderVisible(true);
46 table.setLinesVisible(true);
47 viewer.setUseHashlookup(true);
48 viewer.setContentProvider(provider);
50 viewer.getTable().setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH));
53 @SuppressWarnings("unused")
54 private void setupMenuButtons(Composite parent)
56 DropDownEntry open = new DropDownEntry("Open", (e) ->
58 FileDialog d = new FileDialog(parent.getShell(), SWT.NONE);
60 String filename = d.getFileName();
61 if (!filename.equals(""))
62 open(d.getFilterPath() + File.separator + filename);
65 DropDownEntry save = new DropDownEntry("Save", (e) ->
68 openSaveAsDialog(parent);
71 DropDownEntry saveAs = new DropDownEntry("SaveAs", (e) ->
73 openSaveAsDialog(parent);
76 new DropDownMenu(parent, "File", open, save, saveAs);
79 private void openSaveAsDialog(Composite parent)
81 FileDialog d = new FileDialog(parent.getShell(), SWT.SAVE);
83 String filename = d.getFileName();
84 if (!filename.equals(""))
85 saveLoc = d.getFilterPath() + File.separator + filename;
88 public void bindMicroprogramMemory(MicroprogramMemory memory)
91 viewer.setInput(memory);
94 public void bindMicroInstructionDef(MicroInstructionDefinition miDef)
100 private void createColumns()
102 for (TableViewerColumn col : columns)
103 col.getColumn().dispose();
104 int size = miDef.size();
106 columns = new TableViewerColumn[size];
107 ParameterClassification[] classes = miDef.getParameterClassifications();
109 for (int i = 0; i < size; i++)
112 int endBit = (bit = bit + classes[i].getExpectedBits()) - 1;
113 String name = startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
114 int bounds = 20 + 20 * classes[i].getExpectedBits();
116 TableViewerColumn col = createTableViewerColumn(name, bounds);
117 col.setLabelProvider(new ParameterLabelProvider(i));
118 col.setEditingSupport(createEditingSupport(miDef, i));
123 private EditingSupport createEditingSupport(MicroInstructionDefinition miDef, int index)
125 ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
126 switch (parameterClassification.getExpectedType())
128 case BOOLEAN_IMMEDIATE:
129 return new BooleanEditingSupport(viewer, index);
130 case INTEGER_IMMEDIATE:
131 return new IntegerEditingSupport(viewer, miDef, index, new DisplaySettings(NumberType.DECIMAL));
133 return new MnemonicEditingSupport(viewer, miDef, index);
135 throw new IllegalStateException(
136 "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
140 private TableViewerColumn createTableViewerColumn(String title, int bound)
142 TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
143 TableColumn column = viewerColumn.getColumn();
144 column.setText(title);
145 column.setWidth(bound);
146 column.setResizable(true);
147 column.setMoveable(false);
151 private void open(String file)
155 System.err.println("Failed to parse MicroprogrammingMemory from File. No MicroInstructionDefinition assigned.");
160 MicroprogramMemory newMemory = MicroprogramMemoryParser.parseMemory(miDef, file);
161 bindMicroprogramMemory(newMemory);
164 catch (IOException | MicroprogramMemoryParseException e)
170 private void save(String file)
174 System.err.println("Failed to write MicroprogrammingMemory to File. No MicroprogrammingMemory assigned.");
180 MicroprogramMemoryParser.write(memory, file);
182 catch (IOException e)
190 public void setFocus()
192 viewer.getControl().setFocus();