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.graphics.Color;
16 import org.eclipse.swt.graphics.Font;
17 import org.eclipse.swt.layout.GridData;
18 import org.eclipse.swt.widgets.Composite;
19 import org.eclipse.swt.widgets.Display;
20 import org.eclipse.swt.widgets.Table;
21 import org.eclipse.swt.widgets.TableColumn;
22 import org.eclipse.ui.themes.IThemeManager;
24 import net.mograsim.machine.mi.MicroInstructionDefinition;
25 import net.mograsim.machine.mi.MicroInstructionMemory;
26 import net.mograsim.machine.mi.parameters.MnemonicFamily;
27 import net.mograsim.machine.mi.parameters.ParameterClassification;
28 import net.mograsim.plugin.tables.AddressLabelProvider;
29 import net.mograsim.plugin.tables.DisplaySettings;
30 import net.mograsim.plugin.tables.LazyTableViewer;
32 public class InstructionTable
34 protected final DisplaySettings displaySettings;
35 protected final LazyTableViewer viewer;
36 private TableViewerColumn[] columns = new TableViewerColumn[0];
37 private MicroInstructionDefinition miDef;
38 private MicroInstructionMemory memory;
39 private InstructionTableContentProvider provider;
40 private final RowHighlighter highlighter;
41 private final ColorProvider cProv;
43 public InstructionTable(Composite parent, DisplaySettings displaySettings, IThemeManager themeManager)
45 viewer = new LazyTableViewer(parent, SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
46 this.displaySettings = displaySettings;
47 this.cProv = new ColorProvider(viewer, themeManager);
48 this.highlighter = new RowHighlighter(viewer, cProv);
50 Table table = viewer.getTable();
51 table.setHeaderVisible(true);
52 table.setLinesVisible(true);
53 viewer.setUseHashlookup(true);
55 TableViewerFocusCellManager focusCellManager = new TableViewerFocusCellManager(viewer, new FocusCellOwnerDrawHighlighter(viewer));
57 ColumnViewerEditorActivationStrategy actSupport = new ColumnViewerEditorActivationStrategy(viewer)
60 protected boolean isEditorActivationEvent(ColumnViewerEditorActivationEvent event)
62 return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL
63 || event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION
64 || (event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == SWT.CR)
65 || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
68 int features = ColumnViewerEditor.TABBING_HORIZONTAL | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
69 | ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION;
70 TableViewerEditor.create(viewer, focusCellManager, actSupport, features);
72 GridData viewerData = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
73 viewerData.horizontalSpan = 3;
74 viewer.getTable().setLayoutData(viewerData);
76 displaySettings.addObserver(() -> viewer.refresh());
79 private void deleteColumns()
81 for (TableViewerColumn col : columns)
82 col.getColumn().dispose();
85 private void createColumns()
87 viewer.getTable().setVisible(false);
89 int size = miDef.size();
90 columns = new TableViewerColumn[size + 1];
92 TableViewerColumn col = createTableViewerColumn("Address");
94 col.setLabelProvider(new AddressLabelProvider()
97 public Color getBackground(Object element)
99 return cProv.getBackground(element, -1);
103 public Color getForeground(Object element)
105 return cProv.getForeground(element, -1);
109 public Font getFont(Object element)
111 return cProv.getFont(element, -1);
115 String[] columnTitles = new String[size];
117 int bit = miDef.sizeInBits();
118 ParameterClassification[] classes = miDef.getParameterClassifications();
120 for (int i = 0; i < size; i++)
122 int startBit = bit - 1;
123 int endBit = bit = bit - classes[i].getExpectedBits();
124 String columnTitle = calculateColumnTitle(startBit, endBit);
125 columnTitles[i] = columnTitle;
126 col = createTableViewerColumn(columnTitle);
127 columns[i + 1] = col;
128 createEditingAndLabel(col, miDef, i);
131 calculateOptimalColumnSize(0, "Address", generateLongestHexStrings(12));
133 for (int i = 0; i < size; i++)
135 String[] longestPossibleContents;
136 switch (classes[i].getExpectedType())
138 case INTEGER_IMMEDIATE:
139 longestPossibleContents = generateLongestHexStrings(classes[i].getExpectedBits());
141 case BOOLEAN_IMMEDIATE:
143 longestPossibleContents = ((MnemonicFamily) classes[i]).getStringValues();
146 longestPossibleContents = new String[0];
149 calculateOptimalColumnSize(i + 1, columnTitles[i], longestPossibleContents);
152 viewer.getTable().setVisible(true);
155 private static String calculateColumnTitle(int startBit, int endBit)
157 return startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
160 public void bindMicroInstructionMemory(MicroInstructionMemory memory)
162 this.memory = memory;
165 this.miDef = memory.getDefinition().getMicroInstructionDefinition();
166 setViewerInput(memory);
170 private static final String[] HEX_DIGITS = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };
172 private static String[] generateLongestHexStrings(int bitWidth)
174 return Arrays.stream(HEX_DIGITS).map(s -> "0x" + s.repeat((bitWidth + 3) / 4)).toArray(String[]::new);
177 private void createEditingAndLabel(TableViewerColumn col, MicroInstructionDefinition miDef, int index)
179 ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
180 EditingSupport support;
181 ColumnLabelProvider provider;
182 switch (parameterClassification.getExpectedType())
184 case BOOLEAN_IMMEDIATE:
185 support = new BooleanEditingSupport(viewer, miDef, index);
186 provider = new ParameterLabelProvider(cProv, index);
188 case INTEGER_IMMEDIATE:
189 support = new IntegerEditingSupport(viewer, miDef, index, displaySettings, this.provider);
190 provider = new IntegerColumnLabelProvider(displaySettings, cProv, index);
193 support = new MnemonicEditingSupport(viewer, miDef, index, this.provider);
194 provider = new ParameterLabelProvider(cProv, index);
197 throw new IllegalStateException(
198 "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
200 col.setEditingSupport(support);
201 col.setLabelProvider(provider);
202 col.getColumn().setToolTipText(miDef.getParameterDescription(index).orElse(""));
205 private TableViewerColumn createTableViewerColumn(String title)
207 TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
208 TableColumn column = viewerColumn.getColumn();
209 column.setText(title);
210 column.setResizable(true);
211 column.setMoveable(false);
215 private void calculateOptimalColumnSize(int i, String title, String... longestPossibleContents)
217 TableColumn column = viewer.getTable().getColumn(i);
219 for (String s : longestPossibleContents)
223 if (column.getWidth() > maxWidth)
224 maxWidth = column.getWidth();
226 column.setText(title);
228 if (column.getWidth() < maxWidth)
229 column.setWidth(maxWidth);
232 public LazyTableViewer getTableViewer()
237 public MicroInstructionMemory getMicroInstructionMemory()
242 public void setContentProvider(InstructionTableContentProvider provider)
244 this.provider = provider;
245 viewer.setContentProvider(provider);
248 private void setViewerInput(MicroInstructionMemory memory)
251 viewer.setInput(memory);
255 public void refresh()
257 Display.getDefault().asyncExec(() -> viewer.refresh());
260 public void dispose()
263 viewer.getTable().dispose();
266 public void highlight(int row)
268 highlighter.highlight(row);