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);
54 table.addDisposeListener(e -> dispose());
56 TableViewerFocusCellManager focusCellManager = new TableViewerFocusCellManager(viewer, new FocusCellOwnerDrawHighlighter(viewer));
58 ColumnViewerEditorActivationStrategy actSupport = new ColumnViewerEditorActivationStrategy(viewer)
61 protected boolean isEditorActivationEvent(ColumnViewerEditorActivationEvent event)
63 return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL
64 || event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION
65 || (event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == SWT.CR)
66 || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
69 int features = ColumnViewerEditor.TABBING_HORIZONTAL | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
70 | ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION;
71 TableViewerEditor.create(viewer, focusCellManager, actSupport, features);
73 GridData viewerData = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
74 viewerData.horizontalSpan = 3;
75 viewer.getTable().setLayoutData(viewerData);
77 displaySettings.addObserver(() -> viewer.refresh());
80 private void deleteColumns()
82 for (TableViewerColumn col : columns)
83 col.getColumn().dispose();
86 private void createColumns()
88 viewer.getTable().setVisible(false);
90 int size = miDef.size();
91 columns = new TableViewerColumn[size + 1];
93 TableViewerColumn col = createTableViewerColumn("Address");
95 col.setLabelProvider(new AddressLabelProvider()
98 public Color getBackground(Object element)
100 return cProv.getBackground(element, -1);
104 public Color getForeground(Object element)
106 return cProv.getForeground(element, -1);
110 public Font getFont(Object element)
112 return cProv.getFont(element, -1);
116 String[] columnTitles = new String[size];
118 int bit = miDef.sizeInBits();
119 ParameterClassification[] classes = miDef.getParameterClassifications();
121 for (int i = 0; i < size; i++)
123 int startBit = bit - 1;
124 int endBit = bit = bit - classes[i].getExpectedBits();
125 String columnTitle = calculateColumnTitle(startBit, endBit);
126 columnTitles[i] = columnTitle;
127 col = createTableViewerColumn(columnTitle);
128 columns[i + 1] = col;
129 createEditingAndLabel(col, miDef, i);
132 calculateOptimalColumnSize(0, "Address", generateLongestHexStrings(12));
134 for (int i = 0; i < size; i++)
136 String[] longestPossibleContents;
137 switch (classes[i].getExpectedType())
139 case INTEGER_IMMEDIATE:
140 longestPossibleContents = generateLongestHexStrings(classes[i].getExpectedBits());
142 case BOOLEAN_IMMEDIATE:
144 longestPossibleContents = ((MnemonicFamily) classes[i]).getStringValues();
147 longestPossibleContents = new String[0];
150 calculateOptimalColumnSize(i + 1, columnTitles[i], longestPossibleContents);
153 viewer.getTable().setVisible(true);
156 private static String calculateColumnTitle(int startBit, int endBit)
158 return startBit == endBit ? Integer.toString(startBit) : startBit + "..." + endBit;
161 public void bindMicroInstructionMemory(MicroInstructionMemory memory)
163 this.memory = memory;
166 this.miDef = memory.getDefinition().getMicroInstructionDefinition();
167 setViewerInput(memory);
171 private static final String[] HEX_DIGITS = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };
173 private static String[] generateLongestHexStrings(int bitWidth)
175 return Arrays.stream(HEX_DIGITS).map(s -> "0x" + s.repeat((bitWidth + 3) / 4)).toArray(String[]::new);
178 private void createEditingAndLabel(TableViewerColumn col, MicroInstructionDefinition miDef, int index)
180 ParameterClassification parameterClassification = miDef.getParameterClassifications()[index];
181 EditingSupport support;
182 ColumnLabelProvider provider;
183 switch (parameterClassification.getExpectedType())
185 case BOOLEAN_IMMEDIATE:
186 support = new BooleanEditingSupport(viewer, miDef, index);
187 provider = new ParameterLabelProvider(cProv, index);
189 case INTEGER_IMMEDIATE:
190 support = new IntegerEditingSupport(viewer, miDef, index, displaySettings, this.provider);
191 provider = new IntegerColumnLabelProvider(displaySettings, cProv, index);
194 support = new MnemonicEditingSupport(viewer, miDef, index, this.provider);
195 provider = new ParameterLabelProvider(cProv, index);
198 throw new IllegalStateException(
199 "Unable to create EditingSupport for unknown ParameterType " + parameterClassification.getExpectedType());
201 col.setEditingSupport(support);
202 col.setLabelProvider(provider);
203 col.getColumn().setToolTipText(miDef.getParameterDescription(index).orElse(""));
206 private TableViewerColumn createTableViewerColumn(String title)
208 TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
209 TableColumn column = viewerColumn.getColumn();
210 column.setText(title);
211 column.setResizable(true);
212 column.setMoveable(false);
216 private void calculateOptimalColumnSize(int i, String title, String... longestPossibleContents)
218 TableColumn column = viewer.getTable().getColumn(i);
220 for (String s : longestPossibleContents)
224 if (column.getWidth() > maxWidth)
225 maxWidth = column.getWidth();
227 column.setText(title);
229 if (column.getWidth() < maxWidth)
230 column.setWidth(maxWidth);
233 public LazyTableViewer getTableViewer()
238 public MicroInstructionMemory getMicroInstructionMemory()
243 public void setContentProvider(InstructionTableContentProvider provider)
245 this.provider = provider;
246 viewer.setContentProvider(provider);
249 private void setViewerInput(MicroInstructionMemory memory)
252 viewer.setInput(memory);
256 public void refresh()
258 Display.getDefault().asyncExec(() -> viewer.refresh());
261 private void dispose()
264 viewer.getTable().dispose();
267 public void highlight(int row)
269 highlighter.highlight(row);