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