1 package net.mograsim.plugin.tables.mi;
3 import java.util.Arrays;
5 import org.eclipse.jface.viewers.ColumnLabelProvider;
6 import org.eclipse.jface.viewers.EditingSupport;
7 import org.eclipse.jface.viewers.TableViewerColumn;
8 import org.eclipse.swt.SWT;
9 import org.eclipse.swt.layout.GridData;
10 import org.eclipse.swt.widgets.Composite;
11 import org.eclipse.swt.widgets.Display;
12 import org.eclipse.swt.widgets.Table;
13 import org.eclipse.swt.widgets.TableColumn;
15 import net.mograsim.machine.mi.MicroInstructionDefinition;
16 import net.mograsim.machine.mi.MicroInstructionMemory;
17 import net.mograsim.machine.mi.parameters.MnemonicFamily;
18 import net.mograsim.machine.mi.parameters.ParameterClassification;
19 import net.mograsim.plugin.tables.AddressLabelProvider;
20 import net.mograsim.plugin.tables.DisplaySettings;
21 import net.mograsim.plugin.tables.LazyTableViewer;
23 public class InstructionTable
25 protected DisplaySettings displaySettings;
26 protected LazyTableViewer viewer;
27 private TableViewerColumn[] columns = new TableViewerColumn[0];
28 private MicroInstructionDefinition miDef;
29 private MicroInstructionMemory memory;
30 private InstructionTableContentProvider provider;
32 public InstructionTable(Composite parent, DisplaySettings displaySettings)
34 viewer = new LazyTableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
35 this.displaySettings = displaySettings;
37 Table table = viewer.getTable();
38 table.setHeaderVisible(true);
39 table.setLinesVisible(true);
40 viewer.setUseHashlookup(true);
42 GridData viewerData = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
43 viewerData.horizontalSpan = 3;
44 viewer.getTable().setLayoutData(viewerData);
46 displaySettings.addObserver(() -> viewer.refresh());
49 private void deleteColumns()
51 for (TableViewerColumn col : columns)
52 col.getColumn().dispose();
55 private void createColumns()
57 int size = miDef.size();
58 columns = new TableViewerColumn[size + 1];
60 TableViewerColumn col = createTableViewerColumn("Address");
62 col.setLabelProvider(new AddressLabelProvider());
64 String[] columnTitles = new String[size];
66 int bit = miDef.sizeInBits();
67 ParameterClassification[] classes = miDef.getParameterClassifications();
69 for (int i = 0; i < size; i++)
71 int startBit = bit - 1;
72 int endBit = bit = bit - classes[i].getExpectedBits();
73 String columnTitle = calculateColumnTitle(startBit, endBit);
74 columnTitles[i] = columnTitle;
75 col = createTableViewerColumn(columnTitle);
77 createEditingAndLabel(col, miDef, i);
80 calculateOptimalColumnSize(0, "Address", generateLongestHexStrings(12));
82 for (int i = 0; i < size; i++)
84 String[] longestPossibleContents;
85 switch (classes[i].getExpectedType())
87 case INTEGER_IMMEDIATE:
88 longestPossibleContents = generateLongestHexStrings(classes[i].getExpectedBits());
90 case BOOLEAN_IMMEDIATE:
92 longestPossibleContents = ((MnemonicFamily) classes[i]).getStringValues();
95 longestPossibleContents = new String[0];
98 calculateOptimalColumnSize(i + 1, columnTitles[i], longestPossibleContents);
102 private static String calculateColumnTitle(int startBit, int endBit)
104 return startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
107 public void bindMicroInstructionMemory(MicroInstructionMemory memory)
109 this.memory = memory;
110 this.miDef = memory.getDefinition().getMicroInstructionDefinition();
111 setViewerInput(memory);
114 private static final String[] HEX_DIGITS = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };
116 private static String[] generateLongestHexStrings(int bitWidth)
118 return Arrays.stream(HEX_DIGITS).map(s -> "0x" + s.repeat((bitWidth + 3) / 4)).toArray(String[]::new);
121 private void createEditingAndLabel(TableViewerColumn col, MicroInstructionDefinition miDef, int index)
123 ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
124 EditingSupport support;
125 ColumnLabelProvider provider;
126 switch (parameterClassification.getExpectedType())
128 case BOOLEAN_IMMEDIATE:
129 support = new BooleanEditingSupport(viewer, miDef, index);
130 provider = new ParameterLabelProvider(index);
132 case INTEGER_IMMEDIATE:
133 support = new IntegerEditingSupport(viewer, miDef, index, displaySettings, this.provider);
134 provider = new IntegerColumnLabelProvider(displaySettings, index);
137 // viewerColumn.setEditingSupport(editingSupport)
138 support = new MnemonicEditingSupport(viewer, miDef, index, this.provider);
139 provider = new ParameterLabelProvider(index);
142 throw new IllegalStateException(
143 "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
145 col.setEditingSupport(support);
146 col.setLabelProvider(provider);
147 col.getColumn().setToolTipText(miDef.getParameterDescription(index).orElse(""));
150 private TableViewerColumn createTableViewerColumn(String title)
152 TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
153 TableColumn column = viewerColumn.getColumn();
154 column.setText(title);
155 column.setResizable(true);
156 column.setMoveable(false);
160 private void calculateOptimalColumnSize(int i, String title, String... longestPossibleContents)
162 TableColumn column = viewer.getTable().getColumn(i);
164 for (String s : longestPossibleContents)
168 if (column.getWidth() > maxWidth)
169 maxWidth = column.getWidth();
171 column.setText(title);
173 if (column.getWidth() < maxWidth)
174 column.setWidth(maxWidth);
177 public LazyTableViewer getTableViewer()
182 public MicroInstructionMemory getMicroInstructionMemory()
187 public void setContentProvider(InstructionTableContentProvider provider)
189 this.provider = provider;
190 viewer.setContentProvider(provider);
193 private void setViewerInput(MicroInstructionMemory memory)
196 viewer.setInput(memory);
200 public void refresh()
202 Display.getDefault().asyncExec(() -> viewer.refresh());