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.ColumnViewerEditor;
7 import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent;
8 import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy;
9 import org.eclipse.jface.viewers.EditingSupport;
10 import org.eclipse.jface.viewers.FocusCellOwnerDrawHighlighter;
11 import org.eclipse.jface.viewers.TableViewerColumn;
12 import org.eclipse.jface.viewers.TableViewerEditor;
13 import org.eclipse.jface.viewers.TableViewerFocusCellManager;
14 import org.eclipse.swt.SWT;
15 import org.eclipse.swt.layout.GridData;
16 import org.eclipse.swt.widgets.Composite;
17 import org.eclipse.swt.widgets.Display;
18 import org.eclipse.swt.widgets.Table;
19 import org.eclipse.swt.widgets.TableColumn;
21 import net.mograsim.machine.mi.MicroInstructionDefinition;
22 import net.mograsim.machine.mi.MicroInstructionMemory;
23 import net.mograsim.machine.mi.parameters.MnemonicFamily;
24 import net.mograsim.machine.mi.parameters.ParameterClassification;
25 import net.mograsim.plugin.tables.AddressLabelProvider;
26 import net.mograsim.plugin.tables.DisplaySettings;
27 import net.mograsim.plugin.tables.LazyTableViewer;
29 public class InstructionTable
31 protected DisplaySettings displaySettings;
32 protected LazyTableViewer viewer;
33 private TableViewerColumn[] columns = new TableViewerColumn[0];
34 private MicroInstructionDefinition miDef;
35 private MicroInstructionMemory memory;
36 private InstructionTableContentProvider provider;
38 public InstructionTable(Composite parent, DisplaySettings displaySettings)
40 viewer = new LazyTableViewer(parent, SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
41 this.displaySettings = displaySettings;
43 Table table = viewer.getTable();
44 table.setHeaderVisible(true);
45 table.setLinesVisible(true);
46 viewer.setUseHashlookup(true);
48 TableViewerFocusCellManager focusCellManager = new TableViewerFocusCellManager(viewer, new FocusCellOwnerDrawHighlighter(viewer));
50 ColumnViewerEditorActivationStrategy actSupport = new ColumnViewerEditorActivationStrategy(viewer)
53 protected boolean isEditorActivationEvent(ColumnViewerEditorActivationEvent event)
55 return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL
56 || event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION
57 || (event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == SWT.CR)
58 || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
61 int features = ColumnViewerEditor.TABBING_HORIZONTAL | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
62 | ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION;
63 TableViewerEditor.create(viewer, focusCellManager, actSupport, features);
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());
72 private void deleteColumns()
74 for (TableViewerColumn col : columns)
75 col.getColumn().dispose();
78 private void createColumns()
80 int size = miDef.size();
81 columns = new TableViewerColumn[size + 1];
83 TableViewerColumn col = createTableViewerColumn("Address");
85 col.setLabelProvider(new AddressLabelProvider());
87 String[] columnTitles = new String[size];
89 int bit = miDef.sizeInBits();
90 ParameterClassification[] classes = miDef.getParameterClassifications();
92 for (int i = 0; i < size; i++)
94 int startBit = bit - 1;
95 int endBit = bit = bit - classes[i].getExpectedBits();
96 String columnTitle = calculateColumnTitle(startBit, endBit);
97 columnTitles[i] = columnTitle;
98 col = createTableViewerColumn(columnTitle);
100 createEditingAndLabel(col, miDef, i);
103 calculateOptimalColumnSize(0, "Address", generateLongestHexStrings(12));
105 for (int i = 0; i < size; i++)
107 String[] longestPossibleContents;
108 switch (classes[i].getExpectedType())
110 case INTEGER_IMMEDIATE:
111 longestPossibleContents = generateLongestHexStrings(classes[i].getExpectedBits());
113 case BOOLEAN_IMMEDIATE:
115 longestPossibleContents = ((MnemonicFamily) classes[i]).getStringValues();
118 longestPossibleContents = new String[0];
121 calculateOptimalColumnSize(i + 1, columnTitles[i], longestPossibleContents);
125 private static String calculateColumnTitle(int startBit, int endBit)
127 return startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
130 public void bindMicroInstructionMemory(MicroInstructionMemory memory)
132 this.memory = memory;
135 this.miDef = memory.getDefinition().getMicroInstructionDefinition();
136 setViewerInput(memory);
140 private static final String[] HEX_DIGITS = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };
142 private static String[] generateLongestHexStrings(int bitWidth)
144 return Arrays.stream(HEX_DIGITS).map(s -> "0x" + s.repeat((bitWidth + 3) / 4)).toArray(String[]::new);
147 private void createEditingAndLabel(TableViewerColumn col, MicroInstructionDefinition miDef, int index)
149 ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
150 EditingSupport support;
151 ColumnLabelProvider provider;
152 switch (parameterClassification.getExpectedType())
154 case BOOLEAN_IMMEDIATE:
155 support = new BooleanEditingSupport(viewer, miDef, index);
156 provider = new ParameterLabelProvider(index);
158 case INTEGER_IMMEDIATE:
159 support = new IntegerEditingSupport(viewer, miDef, index, displaySettings, this.provider);
160 provider = new IntegerColumnLabelProvider(displaySettings, index);
163 support = new MnemonicEditingSupport(viewer, miDef, index, this.provider);
164 provider = new ParameterLabelProvider(index);
167 throw new IllegalStateException(
168 "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
170 col.setEditingSupport(support);
171 col.setLabelProvider(provider);
172 col.getColumn().setToolTipText(miDef.getParameterDescription(index).orElse(""));
175 private TableViewerColumn createTableViewerColumn(String title)
177 TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
178 TableColumn column = viewerColumn.getColumn();
179 column.setText(title);
180 column.setResizable(true);
181 column.setMoveable(false);
185 private void calculateOptimalColumnSize(int i, String title, String... longestPossibleContents)
187 TableColumn column = viewer.getTable().getColumn(i);
189 for (String s : longestPossibleContents)
193 if (column.getWidth() > maxWidth)
194 maxWidth = column.getWidth();
196 column.setText(title);
198 if (column.getWidth() < maxWidth)
199 column.setWidth(maxWidth);
202 public LazyTableViewer getTableViewer()
207 public MicroInstructionMemory getMicroInstructionMemory()
212 public void setContentProvider(InstructionTableContentProvider provider)
214 this.provider = provider;
215 viewer.setContentProvider(provider);
218 private void setViewerInput(MicroInstructionMemory memory)
221 viewer.setInput(memory);
225 public void refresh()
227 Display.getDefault().asyncExec(() -> viewer.refresh());