bundles/org.simantics.diagram/src/org/simantics/diagram/profile/TextGridStyle.java

   1 package org.simantics.diagram.profile;
   2
   3 import java.awt.Color;
   4 import java.awt.Font;
   5 import java.awt.geom.AffineTransform;
   6 import java.awt.geom.Point2D;
   7 import java.awt.geom.Rectangle2D;
   8
   9 import org.simantics.databoard.Bindings;
  10 import org.simantics.datatypes.literal.Vec2d;
  11 import org.simantics.db.ReadGraph;
  12 import org.simantics.db.Resource;
  13 import org.simantics.db.exception.DatabaseException;
  14 import org.simantics.db.layer0.variable.RVI;
  15 import org.simantics.db.layer0.variable.Variable;
  16 import org.simantics.diagram.elements.ITextListener;
  17 import org.simantics.diagram.elements.TextGridNode;
  18 import org.simantics.diagram.elements.TextNode;
  19 import org.simantics.diagram.synchronization.graph.DiagramGraphUtil;
  20 import org.simantics.g2d.utils.Alignment;
  21 import org.simantics.modeling.ModelingResources;
  22 import org.simantics.scenegraph.INode;
  23 import org.simantics.scenegraph.g2d.nodes.ConnectionNode;
  24 import org.simantics.scenegraph.profile.EvaluationContext;
  25 import org.simantics.scenegraph.profile.common.ProfileVariables;
  26 import org.simantics.scenegraph.utils.GeometryUtils;
  27 import org.simantics.scenegraph.utils.NodeUtil;
  28 import org.simantics.scl.runtime.function.Function1;
  29 import org.simantics.ui.colors.Colors;
  30
  31 /**
  32  * @author Antti Villberg
  33  * @author Tuukka Lehtonen
  34  */
  35 public abstract class TextGridStyle extends StyleBase<MonitorTextGridResult> {
  36
  37         private final Font  FONT             = Font.decode("Arial 12");
  38         private final Color BACKGROUND_COLOR = new Color(255, 255, 255, 192);
  39         private static final Rectangle2D EMPTY_BOUNDS = new Rectangle2D.Double(0, 0, 0, 0);
  40
  41         protected double xOffset;
  42         protected double yOffset;
  43
  44         public TextGridStyle(Resource r) {
  45                 this(r, 0.0, 2.1);
  46         }
  47
  48         public TextGridStyle(Resource r, double xOffset, double yOffset) {
  49             super(r);
  50                 this.xOffset = xOffset;
  51                 this.yOffset = yOffset;
  52         }
  53
  54         public Resource getPropertyRelation(ReadGraph g, Resource module) {
  55         throw new Error("Fix this");
  56         }
  57
  58         /**
  59          * @return the name of the scene graph node to create to represent the text
  60          *         element created by this style
  61          */
  62         public String getNodeName() {
  63                 return getClass().getSimpleName();
  64         }
  65
  66         /**
  67          * Override to customize.
  68          *
  69          * @param graph
  70          * @param element
  71          * @return
  72          * @throws DatabaseException
  73          */
  74         protected Resource getConfigurationComponent(ReadGraph graph, Resource element) throws DatabaseException {
  75                 ModelingResources mr = ModelingResources.getInstance(graph);
  76                 Resource config = graph.getPossibleObject(element, mr.ElementToComponent);
  77                 return config;
  78         }
  79
  80         /**
  81          * Override to customize.
  82          *
  83          * @param graph
  84          * @param element
  85          * @return
  86          * @throws DatabaseException
  87          */
  88         protected String getConfigurationComponentNameForElement(ReadGraph graph, Resource element) throws DatabaseException {
  89                 Resource config = getConfigurationComponent(graph, element);
  90                 if (config == null)
  91                         return null;
  92                 String name = graph.getPossibleRelatedValue(config, getPropertyRelation(graph,element), Bindings.STRING);
  93                 return name;
  94         }
  95
  96         public AffineTransform getTransform(INode node, AffineTransform parentTransform, Rectangle2D elementBounds, int location, boolean up) {
  97                 return getTransform(parentTransform, elementBounds, location, up);
  98         }
  99
 100         public AffineTransform getTransform(AffineTransform parentTransform, Rectangle2D elementBounds, int location, boolean up) {
 101
 102                 double scale = GeometryUtils.getScale(parentTransform);
 103
 104                 AffineTransform at = AffineTransform.getTranslateInstance(
 105                                 parentTransform.getTranslateX() + elementBounds.getCenterX() * scale + xOffset,
 106                                 parentTransform.getTranslateY() + elementBounds.getMinY() * scale + yOffset*(location-1) + (up ? 0.0 : (2.0*yOffset) + elementBounds.getHeight() * scale)
 107                                 );
 108                 at.scale(0.15, 0.15);
 109
 110                 return at;
 111
 112         }
 113
 114         protected String rowId() {
 115                 return "";
 116         }
 117
 118         @Override
 119         public MonitorTextGridResult calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource element, Variable configuration)
 120                         throws DatabaseException {
 121                 String name = getConfigurationComponentNameForElement(graph, element);
 122                 if (name == null)
 123                         return null;
 124                 AffineTransform transform = DiagramGraphUtil.getDynamicAffineTransform(graph, runtimeDiagram, element);
 125                 Vec2d offset = DiagramGraphUtil.getOffset(graph, element);
 126                 boolean enabled = !DiagramGraphUtil.getProfileMonitorsHidden(graph, element);
 127                 boolean up = DiagramGraphUtil.getProfileMonitorsUp(graph, element);
 128                 double spacing = DiagramGraphUtil.getProfileMonitorSpacing(graph, element);
 129                 return new MonitorTextGridResult(rowId(), name, "", "", enabled, up, spacing, null, null, null, transform, offset);
 130         }
 131
 132         // Not to be modified
 133         protected final static Point2D[] DEFAULT_CELL_OFFSETS = new Point2D[] {
 134                         new Point2D.Double(-45, 0),
 135                         new Point2D.Double(22, 0),
 136                         new Point2D.Double(24, 0)
 137         };
 138
 139         // Not to be modified
 140         protected final static Point2D[] ZERO_CELL_OFFSETS = new Point2D[] {
 141                         new Point2D.Double(0, 0),
 142                         new Point2D.Double(0, 0),
 143                         new Point2D.Double(0, 0)
 144         };
 145
 146         protected Point2D[] getCellOffsets() {
 147                 return DEFAULT_CELL_OFFSETS;
 148         }
 149
 150         @Override
 151         public void applyStyleForNode(EvaluationContext observer, INode _node, MonitorTextGridResult result) {
 152
 153                 String value = result != null ? result.getText1() : null;
 154                 boolean enabled = result != null ? result.getEnabled() : false;
 155
 156                 if (value != null && enabled) {
 157
 158                         //        if (value != null && !value.isEmpty() && !value.trim().isEmpty()) {
 159
 160                         String value2 = result != null ? result.getText2() : null;
 161                         String value3 = result != null ? result.getText3() : null;
 162
 163                         double spacing = result.getSpacing();
 164
 165                         final Function1<String, String> modifier = result != null ? result.getModifier() : null;
 166                         final Function1<String, String> validator = result != null ? result.getValidator() : null;
 167                         final Function1<Vec2d, Boolean> translator = result != null ? result.getTranslator() : null;
 168                         final RVI rvi = result != null ? result.getRVI() : null;
 169
 170                         final TextGridNode node = ProfileVariables.claimChild(_node, "", "TextGridStyle", TextGridNode.class, observer);
 171                         if (node == null)
 172                                 return;
 173
 174                         // This assumes that this TextGridStyle instance will be devoted to
 175                         // this row ID until the end of its life.
 176 //                      String id = result.getRowId();
 177 //                      System.out.println(this + " ID: " + id);
 178 //                      if (!id.equals(this.id)) {
 179 //                              System.out.println(this + " SET ID: " + this.id + " -> " + id);
 180 //                              this.id = id;
 181 //                      }
 182
 183                         Integer newRow = observer.getTemporaryProperty(_node, "location");
 184                         if (newRow == null)
 185                                 newRow = 1;
 186
 187                         // Remove from existing row to add to another row if necessary.
 188                         Integer row = getCurrentRowNumber(observer, _node);
 189                         if (row != null && row != newRow) {
 190                                 String actualId = node.getRowId(row);
 191                                 String id = observer.getProperty(_node, rowIdKey());
 192                                 if (id.equals(actualId)) {
 193                                         node.removeRow(row);
 194                                 }
 195                         }
 196                         row = newRow;
 197
 198                         node.setRowId(row, result.getRowId());
 199
 200                         setCurrentRowNumber(observer, _node, result.getRowId(), row);
 201
 202                         observer.setTemporaryProperty(_node, "location", row + 1);
 203
 204                         node.setText(2, row, value2);
 205                         node.setUp(result.getUp());
 206
 207                         MonitorTextGridResult cache = node.getCache(1, row);
 208                         if(cache != null && cache.sameStructure(result)) return;
 209
 210                         node.setCache(1, row, result);
 211
 212                         boolean isConnection = _node instanceof ConnectionNode;
 213
 214                         Rectangle2D elementBounds = isConnection ? EMPTY_BOUNDS : NodeUtil.getLocalElementBounds(_node);
 215                         if(elementBounds == null) {
 216                                 new Exception("Cannot get local element bounds for node " + _node.toString()).printStackTrace();
 217                                 // This is here for checking why getLocalElementBounds failed in the debugger.
 218                                 NodeUtil.getLocalElementBounds(_node);
 219                                 return;
 220                         }
 221
 222                         //            System.err.println("elementBounds " + elementBounds);
 223                         //            System.err.println("parentTransform " + result.getParentTransform());
 224
 225                         AffineTransform at = getTransform(_node,result.getParentTransform(), elementBounds, row, result.getUp());
 226                         Vec2d offset = result.getOffset();
 227
 228                         Point2D[] cellOffsets = getCellOffsets();
 229
 230                         AffineTransform at1 = new AffineTransform(at);
 231                         at1.translate(cellOffsets[0].getX(),cellOffsets[0].getY());
 232                         AffineTransform at2 = new AffineTransform(at);
 233                         at2.translate(cellOffsets[1].getX()+spacing,cellOffsets[1].getY());
 234                         AffineTransform at3 = new AffineTransform(at);
 235                         at3.translate(cellOffsets[2].getX()+spacing,cellOffsets[2].getY());
 236
 237                         at1.translate(offset.x, offset.y);
 238                         at2.translate(offset.x, offset.y);
 239                         at3.translate(offset.x, offset.y);
 240
 241                         node.setTransform(1, row, at1);
 242                         node.setTransform(2, row, at2);
 243                         node.setTransform(3, row, at3);
 244
 245                         Alignment[] alignments = result.getAlignments();
 246                         if(alignments != null) {
 247                                 node.setHorizontalAlignment(1, row, (byte) alignments[0].ordinal());
 248                                 node.setHorizontalAlignment(2, row, (byte) alignments[1].ordinal());
 249                                 node.setHorizontalAlignment(3, row, (byte) alignments[2].ordinal());
 250                         } else {
 251                                 node.setHorizontalAlignment(1, row, (byte) getAlignment(1).ordinal());
 252                                 node.setHorizontalAlignment(2, row, (byte) getAlignment(2).ordinal());
 253                                 node.setHorizontalAlignment(3, row, (byte) getAlignment(3).ordinal());
 254                         }
 255
 256                         Alignment[] verticalAlignments = result.getVerticalAlignments();
 257                         if(verticalAlignments != null) {
 258                                 node.setVerticalAlignment(1, row, (byte) verticalAlignments[0].ordinal());
 259                                 node.setVerticalAlignment(2, row, (byte) verticalAlignments[1].ordinal());
 260                                 node.setVerticalAlignment(3, row, (byte) verticalAlignments[2].ordinal());
 261                         } else {
 262                                 node.setVerticalAlignment(1, row, (byte) getVerticalAlignment(1).ordinal());
 263                                 node.setVerticalAlignment(2, row, (byte) getVerticalAlignment(2).ordinal());
 264                                 node.setVerticalAlignment(3, row, (byte) getVerticalAlignment(3).ordinal());
 265                         }
 266
 267                         node.setZIndex(3000);
 268
 269                         org.simantics.common.color.Color color = result.getColor();
 270                         Color awtColor = color != null ? Colors.awt(color) : Color.DARK_GRAY;
 271                         Color bgColor = getBackgroundColor();
 272                         Font font = getFont();
 273
 274                         setTextNodeData(node, 1, row, value, font, awtColor, bgColor);
 275                         setTextNodeData(node, 2, row, value2, result.getPending(), font, awtColor, bgColor);
 276                         setTextNodeData(node, 3, row, value3, font, awtColor, bgColor);
 277
 278                         node.setEditable(1, row, false);
 279                         node.setForceEventListening(2, row, true);
 280                         node.setEditable(2, row, modifier != null);
 281                         node.setEditable(3, row, false);
 282
 283                         final int finalRow = row;
 284
 285                         if (modifier != null) {
 286                                 node.setTextListener(2, row, new ITextListener() {
 287                                         @Override
 288                                         public void textChanged() {}
 289
 290                                         @Override
 291                                         public void textEditingStarted() {}
 292
 293                                         @Override
 294                                         public void textEditingCancelled() {
 295                                         }
 296
 297                                         @Override
 298                                         public void textEditingEnded() {
 299
 300                                                 TextNode t = node.get(2, finalRow);
 301                                                 if (t == null)
 302                                                         return;
 303
 304                                                 if(!t.getText().equals(t.getTextBeforeEdit()))
 305                                                         modifier.apply(t.getText());
 306
 307                                         }
 308                                 });
 309                         } else {
 310                                 node.setTextListener(2,  row,  null);
 311                         }
 312
 313                         node.setInputValidator(2, row, validator);
 314                         node.setTranslator(translator);
 315
 316                         node.setRVI(2, row, rvi);
 317
 318                         postProcessNode(node, row);
 319
 320                 } else {
 321                         cleanupStyleForNode(observer, _node);
 322                 }
 323         }
 324
 325         private void setTextNodeData(TextGridNode node, int x, int y, String text, Font font, Color fgColor, Color bgColor) {
 326                 if (text != null) {
 327                         node.setText(x, y, text);
 328                         node.setFont(x, y, font);
 329                         node.setColor(x, y, fgColor);
 330                         node.setBackgroundColor(x, y, bgColor);
 331                 } else {
 332                         // Prevent rendering of the node.
 333                         node.setFont(x, y, null);
 334                 }
 335         }
 336
 337         private void setTextNodeData(TextGridNode node, int x, int y, String text, boolean pending, Font font, Color fgColor, Color bgColor) {
 338                 setTextNodeData(node, x, y, text, font, fgColor, bgColor);
 339                 node.setPending(x, y, pending);
 340         }
 341
 342         protected Font getFont() {
 343                 return FONT;
 344         }
 345
 346         protected Color getBackgroundColor() {
 347                 return BACKGROUND_COLOR;
 348         }
 349
 350         protected Alignment getAlignment(int column) {
 351                 switch(column) {
 352                 case 1: return Alignment.TRAILING;
 353                 case 2: return Alignment.TRAILING;
 354                 case 3: return Alignment.LEADING;
 355                 default: return Alignment.LEADING;
 356                 }
 357         }
 358
 359         protected Alignment getVerticalAlignment(int column) {
 360                 return Alignment.TRAILING;
 361         }
 362
 363         @Override
 364         protected void cleanupStyleForNode(EvaluationContext observer, INode _node) {
 365                 Integer row = getCurrentRowNumber(observer, _node);
 366                 //System.out.println(this + " cleanup(" + id + ", " + row + ")");
 367                 //System.out.println(element);
 368                 if (row == null)
 369                         return;
 370                 clearCurrentRowNumber(observer, _node);
 371                 TextGridNode node = ProfileVariables.browseChild(_node, "TextGridStyle");
 372                 if (node != null)
 373                         node.removeRow(row);
 374         }
 375
 376         private Integer getCurrentRowNumber(EvaluationContext observer, INode _node) {
 377                 String rowId = observer.getProperty(_node, rowIdKey());
 378                 return observer.getProperty(_node, rowId);
 379         }
 380
 381         private void setCurrentRowNumber(EvaluationContext observer, INode _node, String rowId, int row) {
 382                 // Mapping style identity -> rowId (resourceId)
 383                 observer.setProperty(_node, rowIdKey(), rowId);
 384                 // Mapping rowId (resourceId) -> row number
 385                 observer.setProperty(_node, rowId, row);
 386         }
 387
 388         private void clearCurrentRowNumber(EvaluationContext observer, INode _node) {
 389                 String rowId = observer.getProperty(_node, rowIdKey());
 390                 if(rowId != null) {
 391                         observer.setProperty(_node, rowIdKey(), null);
 392                         Integer row = observer.getProperty(_node, rowId);
 393                         if(row != null) {
 394                                 observer.setProperty(_node, rowId, null);
 395                         }
 396                 }
 397         }
 398
 399         protected void postProcessNode(TextGridNode node, int row) {
 400         }
 401
 402         private String rowIdKey() {
 403                 return "style" + getIdentity().toString();
 404         }
 405
 406 }