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;
31 import net.mograsim.preferences.Preferences;
33 public class InstructionTable
35 protected final DisplaySettings displaySettings;
36 protected final LazyTableViewer viewer;
37 private TableViewerColumn[] columns = new TableViewerColumn[0];
38 private MicroInstructionDefinition miDef;
39 private MicroInstructionMemory memory;
40 private InstructionTableContentProvider provider;
41 private final RowHighlighter highlighter;
42 private final FontAndColorHelper cProv;
44 private final boolean isEditable;
46 public InstructionTable(Composite parent, DisplaySettings displaySettings, IThemeManager themeManager)
48 this(parent, displaySettings, themeManager, true);
51 public InstructionTable(Composite parent, DisplaySettings displaySettings, IThemeManager themeManager, boolean allowEditing)
53 viewer = new LazyTableViewer(parent, SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL);
54 this.displaySettings = displaySettings;
55 this.cProv = new FontAndColorHelper(viewer, themeManager);
56 this.highlighter = new RowHighlighter(viewer, cProv);
57 this.isEditable = allowEditing;
59 Table table = viewer.getTable();
60 table.setHeaderVisible(true);
61 table.setLinesVisible(true);
62 viewer.setUseHashlookup(true);
63 table.addDisposeListener(e -> dispose());
65 TableViewerFocusCellManager focusCellManager = new TableViewerFocusCellManager(viewer, new FocusCellOwnerDrawHighlighter(viewer));
67 ColumnViewerEditorActivationStrategy actSupport = new ColumnViewerEditorActivationStrategy(viewer)
70 protected boolean isEditorActivationEvent(ColumnViewerEditorActivationEvent event)
72 return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL
73 || event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION
74 || (event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == SWT.CR)
75 || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
78 int features = ColumnViewerEditor.TABBING_HORIZONTAL | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
79 | ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION;
80 TableViewerEditor.create(viewer, focusCellManager, actSupport, features);
82 GridData viewerData = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
83 viewerData.horizontalSpan = 3;
84 viewer.getTable().setLayoutData(viewerData);
86 displaySettings.addObserver(() -> viewer.refresh());
89 private void deleteColumns()
91 for (TableViewerColumn col : columns)
92 col.getColumn().dispose();
95 private void createColumns()
97 viewer.getTable().setVisible(false);
99 int size = miDef.size();
100 columns = new TableViewerColumn[size + 1];
102 TableViewerColumn col = createTableViewerColumn("Address", null);
104 col.setLabelProvider(new AddressLabelProvider()
107 public Color getBackground(Object element)
109 return cProv.getBackground(element, -1);
113 public Color getForeground(Object element)
115 return cProv.getForeground(element, -1);
119 public Font getFont(Object element)
121 return cProv.getFont(element, -1);
125 String[] columnTitles = new String[size];
127 int bit = miDef.sizeInBits();
128 ParameterClassification[] classes = miDef.getParameterClassifications();
130 for (int i = 0; i < size; i++)
132 int startBit = bit - 1;
133 int endBit = bit = bit - classes[i].getExpectedBits();
135 String description = miDef.getParameterDescription(i).orElse(null);
136 String bitString = startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
137 String columnTitle, columnTooltip;
138 if (useDescriptionAsColumnTitle(description))
140 columnTitle = description;
141 columnTooltip = bitString;
144 columnTitle = bitString;
145 columnTooltip = description;
147 columnTitles[i] = columnTitle;
149 col = createTableViewerColumn(columnTitle, columnTooltip);
150 columns[i + 1] = col;
151 createEditingAndLabel(col, miDef, i);
154 calculateOptimalColumnSize(0, "Address", generateLongestHexStrings(12));
156 for (int i = 0; i < size; i++)
158 String[] longestPossibleContents;
159 switch (classes[i].getExpectedType())
161 case INTEGER_IMMEDIATE:
162 longestPossibleContents = generateLongestHexStrings(classes[i].getExpectedBits());
164 case BOOLEAN_IMMEDIATE:
166 longestPossibleContents = ((MnemonicFamily) classes[i]).getStringValues();
169 longestPossibleContents = new String[0];
172 calculateOptimalColumnSize(i + 1, columnTitles[i], longestPossibleContents);
175 viewer.getTable().setVisible(true);
178 private static boolean useDescriptionAsColumnTitle(String description)
180 return description != null && Preferences.current().getBoolean("net.mograsim.plugin.core.editors.mpm.descriptionascolumnname");
183 public void bindMicroInstructionMemory(MicroInstructionMemory memory)
185 this.memory = memory;
188 this.miDef = memory.getDefinition().getMicroInstructionDefinition();
189 setViewerInput(memory);
193 private static final String[] HEX_DIGITS = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };
195 private static String[] generateLongestHexStrings(int bitWidth)
197 return Arrays.stream(HEX_DIGITS).map(s -> "0x" + s.repeat((bitWidth + 3) / 4)).toArray(String[]::new);
200 private void createEditingAndLabel(TableViewerColumn col, MicroInstructionDefinition miDef, int index)
202 ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
203 EditingSupport support;
204 ColumnLabelProvider provider;
205 switch (parameterClassification.getExpectedType())
207 case BOOLEAN_IMMEDIATE:
208 support = isEditable ? new BooleanEditingSupport(viewer, miDef, index) : null;
209 provider = new ParameterLabelProvider(cProv, index);
211 case INTEGER_IMMEDIATE:
212 support = isEditable ? new IntegerEditingSupport(viewer, miDef, index, displaySettings, this.provider) : null;
213 provider = new IntegerColumnLabelProvider(displaySettings, cProv, index);
216 support = isEditable ? new MnemonicEditingSupport(viewer, miDef, index, this.provider) : null;
217 provider = new ParameterLabelProvider(cProv, index);
220 throw new IllegalStateException(
221 "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
224 col.setEditingSupport(support);
225 col.setLabelProvider(provider);
228 private TableViewerColumn createTableViewerColumn(String title, String toolTip)
230 TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
231 TableColumn column = viewerColumn.getColumn();
232 column.setText(title);
233 column.setToolTipText(toolTip);
234 column.setResizable(true);
235 column.setMoveable(false);
239 private void calculateOptimalColumnSize(int i, String title, String... longestPossibleContents)
241 TableColumn column = viewer.getTable().getColumn(i);
243 for (String s : longestPossibleContents)
247 if (column.getWidth() > maxWidth)
248 maxWidth = column.getWidth();
250 column.setText(title);
252 if (column.getWidth() < maxWidth)
253 column.setWidth(maxWidth);
256 public LazyTableViewer getTableViewer()
261 public MicroInstructionMemory getMicroInstructionMemory()
266 public void setContentProvider(InstructionTableContentProvider provider)
268 this.provider = provider;
269 viewer.setContentProvider(provider);
272 private void setViewerInput(MicroInstructionMemory memory)
275 viewer.setInput(memory);
279 public void refresh()
281 Display.getDefault().asyncExec(() -> viewer.refresh());
284 private void dispose()
287 viewer.getTable().dispose();
290 public void highlight(int row)
292 highlighter.highlight(row);