gerrit.simantics Code Review - simantics/platform.git/blob

   1 package org.simantics.modeling.ui.componentTypeEditor;
   2
   3 import java.util.ArrayList;
   4 import java.util.HashSet;
   5 import java.util.List;
   6 import java.util.Set;
   7
   8 import org.eclipse.jface.layout.GridDataFactory;
   9 import org.eclipse.jface.layout.GridLayoutFactory;
  10 import org.eclipse.jface.layout.TableColumnLayout;
  11 import org.eclipse.jface.viewers.ColumnWeightData;
  12 import org.eclipse.swt.SWT;
  13 import org.eclipse.swt.custom.TableEditor;
  14 import org.eclipse.swt.events.MouseAdapter;
  15 import org.eclipse.swt.events.MouseEvent;
  16 import org.eclipse.swt.events.SelectionAdapter;
  17 import org.eclipse.swt.events.SelectionEvent;
  18 import org.eclipse.swt.graphics.Color;
  19 import org.eclipse.swt.graphics.Rectangle;
  20 import org.eclipse.swt.layout.FillLayout;
  21 import org.eclipse.swt.widgets.Button;
  22 import org.eclipse.swt.widgets.Composite;
  23 import org.eclipse.swt.widgets.Control;
  24 import org.eclipse.swt.widgets.Table;
  25 import org.eclipse.swt.widgets.TableColumn;
  26 import org.eclipse.swt.widgets.TableItem;
  27 import org.eclipse.ui.forms.widgets.Form;
  28 import org.eclipse.ui.forms.widgets.FormToolkit;
  29 import org.eclipse.ui.forms.widgets.Section;
  30 import org.simantics.Simantics;
  31 import org.simantics.db.ReadGraph;
  32 import org.simantics.db.RequestProcessor;
  33 import org.simantics.db.Resource;
  34 import org.simantics.db.WriteGraph;
  35 import org.simantics.db.common.request.PossibleIndexRoot;
  36 import org.simantics.db.common.request.UniqueRead;
  37 import org.simantics.db.common.request.WriteRequest;
  38 import org.simantics.db.exception.DatabaseException;
  39 import org.simantics.layer0.Layer0;
  40 import org.simantics.modeling.userComponent.ComponentTypeCommands;
  41 import org.simantics.scl.runtime.function.Function4;
  42 import org.simantics.structural.stubs.StructuralResource2;
  43
  44 public class DerivedPropertiesSection implements ComponentTypeViewerSection {
  45     private static final String[] COLUMN_NAMES =
  46             new String[] {"Name", "Type", "Expression", "Unit", "Label", "Description"};
  47     private static final int[] COLUMN_LENGTHS =
  48             new int[] { 120, 100, 100, 70, 100, 100 };
  49     private static final int[] COLUMN_WEIGHTS =
  50             new int[] { 0, 0, 100, 0, 0, 0 };
  51     private static Function4<RequestProcessor, Resource, Resource, String, String> VALIDATE_MONITOR_EXPRESSION =
  52             new Function4<RequestProcessor, Resource, Resource, String, String>() {
  53         @Override
  54         public String apply(RequestProcessor p0, Resource p1, Resource p2, String p3) {
  55             return validateMonitorExpression(p0, p1, p2, p3);
  56         }
  57     };
  58
  59     ComponentTypeViewerData data;
  60     Table table;
  61     TableColumn[] columns;
  62     TableEditor editor;
  63     Button newProperty;
  64     Button removeProperty;
  65
  66     Section section;
  67
  68     public DerivedPropertiesSection(ComponentTypeViewerData data) {
  69         this.data = data;
  70         FormToolkit tk = data.tk;
  71         Form form = data.form;
  72         section = tk.createSection(form.getBody(), Section.TITLE_BAR | Section.EXPANDED);
  73         section.setLayout(new FillLayout());
  74         section.setText("Derived properties");
  75
  76         Composite sectionBody = tk.createComposite(section);
  77         GridLayoutFactory.fillDefaults().numColumns(2).applyTo(sectionBody);
  78         section.setClient(sectionBody);
  79
  80         Composite tableComposite = tk.createComposite(sectionBody);
  81         GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(tableComposite);
  82         TableColumnLayout tcl = new TableColumnLayout();
  83         tableComposite.setLayout(tcl);
  84
  85         table = tk.createTable(tableComposite, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER);
  86         table.setLinesVisible(true);
  87         table.setHeaderVisible(true);
  88
  89         columns = new TableColumn[COLUMN_NAMES.length];
  90         for(int i=0;i<COLUMN_NAMES.length;++i) {
  91             TableColumn column = new TableColumn(table, SWT.NONE);
  92             columns[i] = column;
  93             tcl.setColumnData(column, new ColumnWeightData(COLUMN_WEIGHTS[i], COLUMN_LENGTHS[i], true));
  94             column.setText(COLUMN_NAMES[i]);
  95         }
  96
  97         // Table editor
  98         editor = new TableEditor(table);
  99         editor.grabHorizontal = true;
 100         editor.grabVertical = true;
 101         editor.horizontalAlignment = SWT.LEFT;
 102         table.addMouseListener(new MouseAdapter() {
 103             @Override
 104             public void mouseDown(MouseEvent e) {
 105                 // Clean up any previous editor control
 106                 Control oldEditor = editor.getEditor();
 107                 if (oldEditor != null) oldEditor.dispose();
 108
 109                 if (data.readOnly)
 110                     return;
 111
 112                 // Relative position
 113                 Rectangle tableBounds = table.getClientArea();
 114                 int rx = e.x - tableBounds.x;
 115                 int ry = e.y - tableBounds.y;
 116
 117                 // Find cell
 118                 TableItem selectedItem = null;
 119                 int selectedColumn = -1;
 120                 Rectangle selectedItemBounds = null;
 121                 for(TableItem item : table.getItems()) {
 122                     for(int column = 0;column < COLUMN_NAMES.length;++column) {
 123                         Rectangle bounds = item.getBounds(column);
 124                         if(bounds.contains(rx, ry)) {
 125                             selectedItemBounds = bounds;
 126                             selectedItem = item;
 127                             selectedColumn = column;
 128                             break;
 129                         }
 130                     }
 131                 }
 132                 if(selectedItem == null) {
 133                     return;
 134                 }
 135
 136                 // Table editor
 137                 final int column = selectedColumn;
 138                 final ComponentTypeViewerPropertyInfo propertyInfo = (ComponentTypeViewerPropertyInfo)selectedItem.getData();
 139                 final Resource resource = propertyInfo.resource;
 140                 switch (column) {
 141                 case 0:
 142                     data.editName(table, editor, propertyInfo, selectedItem, column, ComponentTypeViewerData.PROPERTY_NAME_PATTERN);
 143                     break;
 144
 145                 case 1:
 146                     data.editType(table, editor, propertyInfo, selectedItem, column, false);
 147                     break;
 148
 149                 case 2:
 150                     data.editValue(table, editor, propertyInfo, selectedItem, column, propertyInfo.immutable ? null : new StringWriter() {
 151                         @Override
 152                         public void perform(WriteGraph graph, String newValue) throws DatabaseException {
 153                             ComponentTypeCommands.setMonitorExpression(graph, data.componentType, resource, newValue);
 154                         }
 155                     }, VALIDATE_MONITOR_EXPRESSION);
 156                     break;
 157
 158                 case 3:
 159                     data.editUnit(table, editor, propertyInfo, selectedItem, column);
 160                     break;
 161
 162                 case 4:
 163                     data.editValue(table, editor, propertyInfo, selectedItem, column, propertyInfo.immutable ? null : new StringWriter() {
 164                         @Override
 165                         public void perform(WriteGraph graph, String newValue) throws DatabaseException {
 166                             graph.markUndoPoint();
 167                             String value = newValue.isEmpty() ? null : newValue;
 168                             ComponentTypeCommands.setLabel(graph, resource, value);
 169                         }
 170                     }, null);
 171                     break;
 172
 173                 case 5:
 174                     data.editMultilineText(table, editor, propertyInfo, selectedItem, selectedItemBounds, column, new StringWriter() {
 175                         @Override
 176                         public void perform(WriteGraph graph, String newValue) throws DatabaseException {
 177                             graph.markUndoPoint();
 178                             String value = newValue.isEmpty() ? null : newValue;
 179                             ComponentTypeCommands.setDescription(graph, resource, value);
 180                         }
 181                     });
 182                     break;
 183                 }
 184             }
 185
 186         });
 187
 188         // Buttons
 189
 190         Composite buttons = tk.createComposite(sectionBody);
 191         GridDataFactory.fillDefaults().applyTo(buttons);
 192         GridLayoutFactory.fillDefaults().applyTo(buttons);
 193
 194         newProperty = tk.createButton(buttons, "New property", SWT.PUSH);
 195         GridDataFactory.fillDefaults().applyTo(newProperty);
 196         removeProperty = tk.createButton(buttons, "Remove property", SWT.PUSH);
 197         GridDataFactory.fillDefaults().applyTo(removeProperty);
 198
 199         // Actions
 200
 201         newProperty.addSelectionListener(new SelectionAdapter() {
 202             @Override
 203             public void widgetSelected(SelectionEvent e) {
 204                 if(editor.getEditor() != null)
 205                     editor.getEditor().dispose();
 206                 Simantics.getSession().async(new WriteRequest() {
 207                     @Override
 208                     public void perform(WriteGraph graph)
 209                             throws DatabaseException {
 210                         ComponentTypeCommands.createMonitorPropertyWithDefaults(graph, data.componentType);
 211                     }
 212                 });
 213             }
 214         });
 215
 216         removeProperty.addSelectionListener(new SelectionAdapter() {
 217             @Override
 218             public void widgetSelected(SelectionEvent e) {
 219                 if(editor.getEditor() != null)
 220                     editor.getEditor().dispose();
 221                 final List<Resource> propertiesToBeRemoved =
 222                         new ArrayList<>();
 223                 for(TableItem item : table.getSelection())
 224                     propertiesToBeRemoved.add(((ComponentTypeViewerPropertyInfo)item.getData()).resource);
 225                 //System.out.println("remove " + propertiesToBeRemoved.size() + " resources");
 226                 if(!propertiesToBeRemoved.isEmpty())
 227                     Simantics.getSession().async(new WriteRequest() {
 228                         @Override
 229                         public void perform(WriteGraph graph)
 230                                 throws DatabaseException {
 231                             graph.markUndoPoint();
 232                             for(Resource property : propertiesToBeRemoved)
 233                                 ComponentTypeCommands.removeProperty(graph, data.componentType, property);
 234                         }
 235                     });
 236             }
 237         });
 238     }
 239
 240     @Override
 241     public void setReadOnly(boolean readOnly) {
 242         boolean e = !readOnly;
 243         newProperty.setEnabled(e);
 244         removeProperty.setEnabled(e);
 245     }
 246
 247     public static String validateMonitorExpression(final RequestProcessor processor, final Resource componentType, final Resource relation, final String expression) {
 248
 249         if (expression.trim().isEmpty()) {
 250             return "Expression is empty.";
 251         }
 252
 253         if (expression.trim().isEmpty()) {
 254             return "Expression is empty.";
 255         }
 256         try {
 257             return processor.sync(new UniqueRead<String>() {
 258
 259                 @Override
 260                 public String perform(ReadGraph graph) throws DatabaseException {
 261
 262                     StructuralResource2 STR = StructuralResource2.getInstance(graph);
 263
 264                     Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(componentType));
 265
 266                     for(Resource literal : graph.getAssertedObjects(componentType, relation)) {
 267
 268                         try {
 269                             // TODO validation
 270                             if(graph.isInstanceOf(componentType, STR.ProceduralComponentType)) {
 271                                 //Layer0 L0 = Layer0.getInstance(graph);
 272                                 //Resource environment = graph.getPossibleObject(literal, L0.SCLValue_environment);
 273                                 //ContextModule context = graph.sync(new TypeMonitorContextRequest(componentType));
 274                                 //String SCLMain = graph.syncRequest(new SCLMainModuleRequest(indexRoot));
 275                                 //CompilationContext cc = new CompilationContext(environment, context, SCLMain);
 276                                 //graph.syncRequest(new ActualCompileRequest(expression, cc), TransientCacheListener.<CompiledExpression>instance());
 277                             } else {
 278                                 //CompilationContext cc = new CompileSCLMonitorRequest(literal, componentType, indexRoot).getContext(graph);
 279                                 //graph.syncRequest(new ActualCompileRequest(expression, cc), TransientCacheListener.<CompiledExpression>instance());
 280                                 //graph.syncRequest(new CompileSCLMonitorRequest(graph, context));
 281                             }
 282
 283                         } catch (Exception e) {
 284                             String msg = e.getMessage();
 285                             int index = msg.indexOf(":");
 286                             if(index > 0) msg = msg.substring(index);
 287                             return msg;
 288                         }
 289
 290                     }
 291
 292                     return null;
 293
 294                 }
 295
 296             });
 297         } catch (DatabaseException e) {
 298             e.printStackTrace();
 299         }
 300
 301         return null;
 302
 303     }
 304
 305     @Override
 306     public void update(ComponentTypePropertiesResult result) {
 307         if (table.isDisposed())
 308             return;
 309
 310         Set<ComponentTypeViewerPropertyInfo> selected = new HashSet<>();
 311         List<TableItem> selectedItems = new ArrayList<TableItem>(selected.size());
 312         for (int i : table.getSelectionIndices()) {
 313             TableItem item = table.getItem(i);
 314             selected.add((ComponentTypeViewerPropertyInfo) item.getData());
 315         }
 316
 317         int topIndex = table.getTopIndex();
 318         table.removeAll();
 319         if(editor.getEditor() != null)
 320             editor.getEditor().dispose();
 321
 322         for(ComponentTypeViewerPropertyInfo info : result.getProperties()) {
 323             boolean immutable = result.isImmutable() || info.immutable;
 324             Color fg = immutable ? table.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY) : null;
 325             if(info.sectionSpecificData != MONITOR)
 326                 continue;
 327
 328             TableItem item = new TableItem(table, SWT.NONE);
 329
 330             item.setText(0, info.valid != null ? info.name + " (!)" : info.name);
 331             item.setText(1, info.type);
 332             item.setText(2, info.expression);
 333             item.setText(3, info.unitString());
 334             item.setText(4, info.label);
 335             item.setText(5, info.description);
 336
 337             item.setForeground(fg);
 338
 339             item.setData(info);
 340
 341             if (selected.contains(info))
 342                 selectedItems.add(item);
 343         }
 344
 345         table.setTopIndex(topIndex);
 346         table.setSelection(selectedItems.toArray(new TableItem[selectedItems.size()]));
 347         table.redraw();
 348     }
 349
 350     @Override
 351     public Section getSection() {
 352         return section;
 353     }
 354
 355     @Override
 356     public double getPriority() {
 357         return 100.0;
 358     }
 359
 360     private static final Object MONITOR = new Object();
 361
 362     @Override
 363     public Object getSectionSpecificData(ReadGraph graph,
 364             ComponentTypeViewerPropertyInfo info) throws DatabaseException {
 365         Layer0 L0 = Layer0.getInstance(graph);
 366         StructuralResource2 STR = StructuralResource2.getInstance(graph);
 367         Resource range = graph.getPossibleObject(info.resource, L0.HasRange);
 368         if(range != null && graph.isInstanceOf(range, STR.MonitorValueType))
 369             return MONITOR;
 370         else
 371             return null;
 372     }
 373
 374     @Override
 375     public double getDataPriority() {
 376         return 100.0;
 377     }
 378
 379 }