bundles/org.simantics.g2d/src/org/simantics/g2d/elementclass/MonitorClass.java

   1 ///*******************************************************************************\r
   2 // * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3 // * in Industry THTH ry.\r
   4 // * All rights reserved. This program and the accompanying materials\r
   5 // * are made available under the terms of the Eclipse Public License v1.0\r
   6 // * which accompanies this distribution, and is available at\r
   7 // * http://www.eclipse.org/legal/epl-v10.html\r
   8 // *\r
   9 // * Contributors:\r
  10 // *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11 // *******************************************************************************/\r
  12 //package org.simantics.g2d.elementclass;\r
  13 //\r
  14 //import java.awt.BasicStroke;\r
  15 //import java.awt.Color;\r
  16 //import java.awt.Font;\r
  17 //import java.awt.FontMetrics;\r
  18 //import java.awt.Graphics2D;\r
  19 //import java.awt.Rectangle;\r
  20 //import java.awt.Shape;\r
  21 //import java.awt.event.ActionEvent;\r
  22 //import java.awt.event.ActionListener;\r
  23 //import java.awt.geom.AffineTransform;\r
  24 //import java.awt.geom.Path2D;\r
  25 //import java.awt.geom.Point2D;\r
  26 //import java.awt.geom.Rectangle2D;\r
  27 //import java.util.EnumSet;\r
  28 //import java.util.Map;\r
  29 //\r
  30 //import javax.vecmath.Vector2d;\r
  31 //\r
  32 //import org.simantics.g2d.diagram.IDiagram;\r
  33 //import org.simantics.g2d.element.ElementClass;\r
  34 //import org.simantics.g2d.element.ElementHints;\r
  35 //import org.simantics.g2d.element.ElementUtils;\r
  36 //import org.simantics.g2d.element.IElement;\r
  37 //import org.simantics.g2d.element.SceneGraphNodeKey;\r
  38 //import org.simantics.g2d.element.handler.ElementHandler;\r
  39 //import org.simantics.g2d.element.handler.FillColor;\r
  40 //import org.simantics.g2d.element.handler.InternalSize;\r
  41 //import org.simantics.g2d.element.handler.LifeCycle;\r
  42 //import org.simantics.g2d.element.handler.Move;\r
  43 //import org.simantics.g2d.element.handler.Outline;\r
  44 //import org.simantics.g2d.element.handler.Rotate;\r
  45 //import org.simantics.g2d.element.handler.Scale;\r
  46 //import org.simantics.g2d.element.handler.SceneGraph;\r
  47 //import org.simantics.g2d.element.handler.StaticSymbol;\r
  48 //import org.simantics.g2d.element.handler.Text;\r
  49 //import org.simantics.g2d.element.handler.TextEditor;\r
  50 //import org.simantics.g2d.element.handler.Transform;\r
  51 //import org.simantics.g2d.element.handler.TextEditor.Modifier;\r
  52 //import org.simantics.g2d.element.handler.impl.BorderColorImpl;\r
  53 //import org.simantics.g2d.element.handler.impl.FillColorImpl;\r
  54 //import org.simantics.g2d.element.handler.impl.SimpleElementLayers;\r
  55 //import org.simantics.g2d.element.handler.impl.StaticSymbolImpl;\r
  56 //import org.simantics.g2d.element.handler.impl.TextColorImpl;\r
  57 //import org.simantics.g2d.element.handler.impl.TextEditorImpl;\r
  58 //import org.simantics.g2d.element.handler.impl.TextFontImpl;\r
  59 //import org.simantics.g2d.element.handler.impl.TextImpl;\r
  60 //import org.simantics.g2d.image.Image;\r
  61 //import org.simantics.g2d.image.ProviderUtils;\r
  62 //import org.simantics.g2d.image.impl.AbstractImage;\r
  63 //import org.simantics.g2d.utils.Alignment;\r
  64 //import org.simantics.scenegraph.Node;\r
  65 //import org.simantics.scenegraph.g2d.G2DParentNode;\r
  66 //import org.simantics.scenegraph.g2d.nodes.MonitorNode;\r
  67 //import org.simantics.utils.datastructures.cache.IFactory;\r
  68 //import org.simantics.utils.datastructures.cache.IProvider;\r
  69 //import org.simantics.utils.datastructures.cache.ProvisionException;\r
  70 //import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
  71 //import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
  72 //import org.simantics.utils.strings.format.MetricsFormat;\r
  73 //import org.simantics.utils.strings.format.MetricsFormatList;\r
  74 //\r
  75 ///**\r
  76 // * @author Tuukka Lehtonen\r
  77 // */\r
  78 //public class MonitorClass {\r
  79 //\r
  80 //    static final Font        FONT                      = Font.decode("Helvetica 12");\r
  81 //\r
  82 //    /**\r
  83 //     * Back-end specific object describing the monitored component.\r
  84 //     */\r
  85 //    public static final Key  KEY_MONITOR_COMPONENT     = new KeyOf(Object.class, "MONITOR_COMPONENT");\r
  86 //\r
  87 //    /**\r
  88 //     * The valuation suffix string describing the monitored variable of the\r
  89 //     * component described by {@link #KEY_MONITOR_COMPONENT}.\r
  90 //     */\r
  91 //    public static final Key  KEY_MONITOR_SUFFIX        = new KeyOf(String.class, "MONITOR_SUFFIX");\r
  92 //\r
  93 //    public static final Key  KEY_MONITOR_SUBSTITUTIONS = new KeyOf(Map.class, "MONITOR_SUBSTITUTIONS");\r
  94 //    public static final Key  KEY_MONITOR_GC            = new KeyOf(Graphics2D.class, "MONITOR_GC");\r
  95 //    public static final Key  KEY_MONITOR_HEIGHT        = new KeyOf(Double.class, "MONITOR_HEIGHT");\r
  96 //    public static final Key  KEY_NUMBER_FORMAT         = new KeyOf(MetricsFormat.class, "NUMBER_FORMAT");\r
  97 //    public static final Key  KEY_TOOLTIP_TEXT          = new KeyOf(String.class, "TOOLTIP_TEXT");\r
  98 //\r
  99 //    /**\r
 100 //     * If this hint is defined, the monitor will force its x-axis to match this\r
 101 //     * angle. If this hint doesn't exist, the monitor will not force x-axis\r
 102 //     * orientation.\r
 103 //     */\r
 104 //    public static final Key  KEY_DIRECTION             = new KeyOf(Double.class, "MONITOR_DIRECTION");\r
 105 //\r
 106 //    public static final Key  KEY_BORDER_WIDTH          = new KeyOf(Double.class, "MONITOR_BORDER");\r
 107 //\r
 108 //    public static final Key  KEY_SG_NODE               = new SceneGraphNodeKey(Node.class, "MONITOR_SG_NODE");\r
 109 //\r
 110 //    final static BasicStroke STROKE                    = new BasicStroke(1.0f);\r
 111 //\r
 112 //    public final static Alignment DEFAULT_HORIZONTAL_ALIGN  = Alignment.CENTER;\r
 113 //    public final static Alignment DEFAULT_VERTICAL_ALIGN    = Alignment.CENTER;\r
 114 //    public final static MetricsFormat DEFAULT_NUMBER_FORMAT = MetricsFormatList.METRICS_DECIMAL;\r
 115 //\r
 116 //    public final static Color     DEFAULT_FILL_COLOR        = new Color(224, 224, 224);\r
 117 //    public final static Color     DEFAULT_BORDER_COLOR      = Color.BLACK;\r
 118 //\r
 119 //    public final static double    DEFAULT_HORIZONTAL_MARGIN = 5.0;\r
 120 //    public final static double    DEFAULT_VERTICAL_MARGIN   = 2.5;\r
 121 //\r
 122 //    static Alignment getHorizontalAlignment(IElement e) {\r
 123 //        return ElementUtils.getHintOrDefault(e, ElementHints.KEY_HORIZONTAL_ALIGN, DEFAULT_HORIZONTAL_ALIGN);\r
 124 //    }\r
 125 //\r
 126 //    static Alignment getVerticalAlignment(IElement e) {\r
 127 //        return ElementUtils.getHintOrDefault(e, ElementHints.KEY_VERTICAL_ALIGN, DEFAULT_VERTICAL_ALIGN);\r
 128 //    }\r
 129 //\r
 130 //    static MetricsFormat getNumberFormat(IElement e) {\r
 131 //        return ElementUtils.getHintOrDefault(e, KEY_NUMBER_FORMAT, DEFAULT_NUMBER_FORMAT);\r
 132 //    }\r
 133 //\r
 134 //    static void setNumberFormat(IElement e, MetricsFormat f) {\r
 135 //        ElementUtils.setOrRemoveHint(e, KEY_NUMBER_FORMAT, f);\r
 136 //    }\r
 137 //\r
 138 //    static double getHorizontalMargin(IElement e) {\r
 139 //        return DEFAULT_HORIZONTAL_MARGIN;\r
 140 //    }\r
 141 //\r
 142 //    static double getVerticalMargin(IElement e) {\r
 143 //        return DEFAULT_VERTICAL_MARGIN;\r
 144 //    }\r
 145 //\r
 146 //    static Font getFont(IElement e) {\r
 147 //        return ElementUtils.getHintOrDefault(e, ElementHints.KEY_FONT, FONT);\r
 148 //    }\r
 149 //\r
 150 //    public static class MonitorHandlerImpl implements MonitorHandler {\r
 151 //        private static final long          serialVersionUID = -4258875745321808416L;\r
 152 //        public static final MonitorHandler INSTANCE         = new MonitorHandlerImpl();\r
 153 //    }\r
 154 //\r
 155 //    static class Initializer implements LifeCycle {\r
 156 //        private static final long serialVersionUID = 4404942036933073584L;\r
 157 //\r
 158 //        IElement parentElement;\r
 159 //        Map<String, String> substitutions;\r
 160 //        Object component;\r
 161 //        String suffix;\r
 162 //        boolean hack;\r
 163 //\r
 164 //        Initializer(IElement parentElement, Map<String, String> substitutions, Object component, String suffix, boolean hack) {\r
 165 //            this.parentElement = parentElement;\r
 166 //            this.substitutions = substitutions;\r
 167 //            this.component = component;\r
 168 //            this.suffix = suffix;\r
 169 //            this.hack = hack;\r
 170 //        }\r
 171 //\r
 172 //        @Override\r
 173 //        public void onElementActivated(IDiagram d, IElement e) {\r
 174 //\r
 175 //            if(!hack) {\r
 176 //\r
 177 //                hack = true;\r
 178 //\r
 179 //                Point2D parentPos = ElementUtils.getPos(parentElement);\r
 180 //                Point2D thisPos = ElementUtils.getPos(e);\r
 181 //\r
 182 //                Move move = e.getElementClass().getSingleItem(Move.class);\r
 183 //                move.moveTo(e, thisPos.getX() - parentPos.getX(), thisPos.getY() - parentPos.getY());\r
 184 //\r
 185 //            }\r
 186 //\r
 187 //        }\r
 188 //        @Override\r
 189 //        public void onElementCreated(IElement e) {\r
 190 //            if(parentElement != null) e.setHint(ElementHints.KEY_PARENT_ELEMENT, parentElement);\r
 191 //            if(substitutions != null) e.setHint(KEY_MONITOR_SUBSTITUTIONS, substitutions);\r
 192 //            if(component != null) e.setHint(KEY_MONITOR_COMPONENT, component);\r
 193 //            if(suffix != null) e.setHint(KEY_MONITOR_SUFFIX, suffix);\r
 194 //\r
 195 //            e.setHint(KEY_DIRECTION, 0.0);\r
 196 //            e.setHint(KEY_NUMBER_FORMAT, DEFAULT_NUMBER_FORMAT);\r
 197 //            //e.setHint(KEY_HORIZONTAL_ALIGN, Alignment.LEADING);\r
 198 //            //e.setHint(KEY_VERTICAL_ALIGN, Alignment.LEADING);\r
 199 //        }\r
 200 //        @Override\r
 201 //        public void onElementDeactivated(IDiagram d, IElement e) {\r
 202 //        }\r
 203 //        @Override\r
 204 //        public void onElementDestroyed(IElement e) {\r
 205 //        }\r
 206 //    };\r
 207 //\r
 208 //    static String finalText(IElement e) {\r
 209 //        String text = e.getElementClass().getSingleItem(Text.class).getText(e);\r
 210 //        if (text == null)\r
 211 //            return null;\r
 212 //        return substitute(text, e);\r
 213 //    }\r
 214 //\r
 215 //    public static String editText(IElement e) {\r
 216 //        return substitute("#v1", e);\r
 217 //    }\r
 218 //\r
 219 //    private static String formValue(IElement e) {\r
 220 //        // TODO: consider using substitute\r
 221 //        Map<String, String> substitutions = e.getHint(KEY_MONITOR_SUBSTITUTIONS);\r
 222 //        if (substitutions != null) {\r
 223 //            String value = substitutions.get("#v1");\r
 224 //            if (substitutions.containsKey("#u1") && substitutions.get("#u1").length() > 0) {\r
 225 //                value += " " + substitutions.get("#u1");\r
 226 //            }\r
 227 //            return value;\r
 228 //        }\r
 229 //        return null;\r
 230 //    }\r
 231 //\r
 232 //    static String substitute(String text, IElement e) {\r
 233 //        Map<String, String> substitutions = e.getHint(KEY_MONITOR_SUBSTITUTIONS);\r
 234 //        return substitute(text, substitutions);\r
 235 //    }\r
 236 //\r
 237 //    static String substitute(String text, Map<String, String> substitutions) {\r
 238 //        if (substitutions != null) {\r
 239 //            // TODO: slow as hell\r
 240 //            for(Map.Entry<String, String> entry : substitutions.entrySet()) {\r
 241 //                if (entry.getValue() != null) {\r
 242 //                    text = text.replace(entry.getKey(), entry.getValue());\r
 243 //                } else {\r
 244 //                    text = text.replace(entry.getKey(), "<null>");\r
 245 //                }\r
 246 //            }\r
 247 //        }\r
 248 //        return text;\r
 249 //    }\r
 250 //\r
 251 //    public static void update(IElement e) {\r
 252 //        MonitorSGNode node = e.getElementClass().getSingleItem(MonitorSGNode.class);\r
 253 //        node.update(e);\r
 254 //    }\r
 255 //\r
 256 //    public static void cleanup(IElement e) {\r
 257 //        MonitorSGNode node = e.getElementClass().getSingleItem(MonitorSGNode.class);\r
 258 //        node.cleanup(e);\r
 259 //    }\r
 260 //\r
 261 //    static final Rectangle2D DEFAULT_BOX = new Rectangle2D.Double(0, 0, 0, 0);\r
 262 //\r
 263 //    static Shape createMonitor(IElement e) {\r
 264 //        Alignment hAlign = getHorizontalAlignment(e);\r
 265 //        Alignment vAlign = getVerticalAlignment(e);\r
 266 //        double hMargin = getHorizontalMargin(e);\r
 267 //        double vMargin = getVerticalMargin(e);\r
 268 //\r
 269 //        String text = finalText(e);\r
 270 //        if(text == null) {\r
 271 //            return align(hMargin, vMargin, hAlign, vAlign, DEFAULT_BOX);\r
 272 //        }\r
 273 //\r
 274 //        Graphics2D g = e.getHint(KEY_MONITOR_GC);\r
 275 //        if(g == null) {\r
 276 //            return align(hMargin, vMargin, hAlign, vAlign, DEFAULT_BOX);\r
 277 //        }\r
 278 //\r
 279 //        Font f = getFont(e);\r
 280 //        FontMetrics fm   = g.getFontMetrics(f);\r
 281 //        Rectangle2D rect = fm.getStringBounds(text, g);\r
 282 //\r
 283 //        return align(hMargin, vMargin, hAlign, vAlign, rect);\r
 284 //    }\r
 285 //\r
 286 //    static Shape align(double hMargin, double vMargin, Alignment hAlign, Alignment vAlign, Rectangle2D rect) {\r
 287 //        //System.out.println("align: " + hMargin + ", " + vMargin + ", " + hAlign + ", " + vAlign + ": " + rect);\r
 288 //        double tx = align(hMargin, hAlign, rect.getMinX(), rect.getMaxX());\r
 289 //        double ty = align(vMargin, vAlign, rect.getMinY(), rect.getMaxY());\r
 290 //        //System.out.println("    translate: " + tx + " "  + ty);\r
 291 //        double nw = rect.getWidth() + 2*hMargin;\r
 292 //        double nh = rect.getHeight() + 2*vMargin;\r
 293 //        return makePath(tx + rect.getMinX(), ty + rect.getMinY(), nw, nh);\r
 294 //    }\r
 295 //\r
 296 //    static double align(double margin, Alignment align, double min, double max) {\r
 297 //        double s = max - min;\r
 298 //        switch (align) {\r
 299 //            case LEADING:\r
 300 //                return -min;\r
 301 //            case TRAILING:\r
 302 //                return -s - 2 * margin - min;\r
 303 //            case CENTER:\r
 304 //                return -0.5 * s - margin - min;\r
 305 //            default:\r
 306 //                return 0;\r
 307 //        }\r
 308 //    }\r
 309 //\r
 310 //    static Path2D makePath(double x, double y, double w, double h) {\r
 311 //        Path2D path = new Path2D.Double();\r
 312 //        path.moveTo(x, y);\r
 313 //        path.lineTo(x+w, y);\r
 314 //        path.lineTo(x+w, y+h);\r
 315 //        path.lineTo(x, y+h);\r
 316 //        path.closePath();\r
 317 //        return path;\r
 318 //    }\r
 319 //\r
 320 //    public static final Shape BOX_SHAPE = new Rectangle(-1, -1, 2, 2);\r
 321 //\r
 322 //    public static class MonitorSGNode implements SceneGraph, InternalSize, Outline {\r
 323 //        private static final long serialVersionUID = -106278359626957687L;\r
 324 //\r
 325 //        static final MonitorSGNode INSTANCE = new MonitorSGNode();\r
 326 //\r
 327 //        @Override\r
 328 //        public void init(final IElement e, final G2DParentNode parent) {\r
 329 //            // Create node if it doesn't exist yet\r
 330 //            MonitorNode node = (MonitorNode)e.getHint(KEY_SG_NODE);\r
 331 //            if(node == null || node.getBounds() == null || node.getParent() != parent) {\r
 332 //                node = parent.addNode(ElementUtils.generateNodeId(e), MonitorNode.class);\r
 333 //                e.setHint(KEY_SG_NODE, node);\r
 334 //\r
 335 //                node.setActionListener(new ActionListener() {\r
 336 //                    @Override\r
 337 //                    public void actionPerformed(ActionEvent event) {\r
 338 //                        TextEditor editor = e.getElementClass().getAtMostOneItemOfClass(TextEditor.class);\r
 339 //                        if (editor != null) {\r
 340 //                            Modifier modifier = editor.getModifier(e);\r
 341 //                            if (modifier != null) {\r
 342 //                                String newValue = event.getActionCommand();\r
 343 //                                String error = modifier.isValid(e, newValue);\r
 344 //\r
 345 //                                if (error == null) {\r
 346 //                                    // Only modify if the modification was not\r
 347 //                                    // cancelled and the value is valid.\r
 348 //                                    modifier.modify(e, newValue);\r
 349 //                                } else {\r
 350 //                                    // TODO: show error somehow, possibly through status bar\r
 351 //\r
 352 //                                    // Make sure that the monitor content gets\r
 353 //                                    // reset to its previous value.\r
 354 //                                    MonitorNode node = e.getHint(KEY_SG_NODE);\r
 355 //                                    if (node != null)\r
 356 //                                        node.setText(formValue(e));\r
 357 //                                }\r
 358 //                            }\r
 359 //                        }\r
 360 //\r
 361 ////                        final Text t = e.getElementClass().getAtMostOneItemOfClass(Text.class);\r
 362 ////                        t.setText(e, event.getActionCommand()); // FIXME\r
 363 //                    }});\r
 364 //                node.setSize(50, 22);\r
 365 //                Double border_width = (Double)e.getHint(KEY_BORDER_WIDTH);\r
 366 //                if(border_width == null) border_width = 0.1;\r
 367 //                \r
 368 //                node.setBorderWidth(border_width);\r
 369 //\r
 370 //                Rectangle2D bounds = (Rectangle2D)e.getHint(ElementHints.KEY_BOUNDS);\r
 371 //                if(bounds != null) node.setBounds(bounds);\r
 372 //            }\r
 373 //            update(e);\r
 374 //        }\r
 375 //\r
 376 //        public void update(IElement e) {\r
 377 //            String value = null;\r
 378 //\r
 379 //            final Text t = e.getElementClass().getAtMostOneItemOfClass(Text.class);\r
 380 //            assert(t != null);\r
 381 //\r
 382 //            value = formValue(e);\r
 383 //\r
 384 //            MonitorNode node = (MonitorNode) e.getHint(KEY_SG_NODE);\r
 385 //            if (node != null && value != null) {\r
 386 //                node.setText(value);\r
 387 //                Object component = e.getHint(KEY_MONITOR_COMPONENT);\r
 388 //                if (component != null) {\r
 389 //                    node.setEditable(true);\r
 390 //                } else {\r
 391 //                    node.setEditable(false);\r
 392 //                }\r
 393 //\r
 394 //                // FIXME: set only if changed .. (but quickfix is not to clone)\r
 395 //                Font font = ElementUtils.getTextFont(e);\r
 396 //                if (node.getFont() != font) { // Don't update if we have a same object\r
 397 //                    node.setFont(font);\r
 398 //                }\r
 399 //                Color color = ElementUtils.getTextColor(e);\r
 400 //                node.setColor(new Color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()));\r
 401 //                String tt = (String) e.getHint(KEY_TOOLTIP_TEXT);\r
 402 //                if (tt != null)\r
 403 //                    node.setToolTipText(new String(tt));\r
 404 //            }\r
 405 //        }\r
 406 //\r
 407 //        @Override\r
 408 //        public void cleanup(IElement e) {\r
 409 //            MonitorNode node = (MonitorNode)e.removeHint(KEY_SG_NODE);\r
 410 //            if (node != null)\r
 411 //                node.remove();\r
 412 //        }\r
 413 //\r
 414 //        @Override\r
 415 //        public Rectangle2D getBounds(IElement e, Rectangle2D size) {\r
 416 //            Rectangle2D shape = new Rectangle2D.Double(0, 0, 0, 0);\r
 417 //\r
 418 //            MonitorNode node = (MonitorNode)e.getHint(KEY_SG_NODE);\r
 419 //            if(node != null && node.getBounds() != null) {\r
 420 //                shape = node.getBounds().getBounds2D();\r
 421 //            }\r
 422 //\r
 423 //            if(size != null) size.setRect(shape);\r
 424 //            return shape;\r
 425 //        }\r
 426 //\r
 427 //        @Override\r
 428 //        public Shape getElementShape(IElement e) {\r
 429 //            Shape shape = new Rectangle2D.Double(0, 0, 0, 0);\r
 430 //\r
 431 //            MonitorNode node = (MonitorNode)e.getHint(KEY_SG_NODE);\r
 432 //            if(node != null && node.getBounds() != null) {\r
 433 //                shape = node.getBounds();\r
 434 //            }\r
 435 //\r
 436 //            return shape;\r
 437 //        }\r
 438 //\r
 439 //    }\r
 440 //\r
 441 //    public static class Transformer implements Transform, Move, Rotate, Scale, LifeCycle {\r
 442 //\r
 443 //        private static final long serialVersionUID = -3704887325602085677L;\r
 444 //\r
 445 //        public static final Transformer INSTANCE = new Transformer(null);\r
 446 //\r
 447 //        Double aspectRatio;\r
 448 //\r
 449 //        public Transformer() {\r
 450 //            this(null);\r
 451 //        }\r
 452 //\r
 453 //        public Transformer(Double aspectRatio) {\r
 454 //            this.aspectRatio = aspectRatio;\r
 455 //        }\r
 456 //\r
 457 //        @Override\r
 458 //        public Double getFixedAspectRatio(IElement e) {\r
 459 //            return aspectRatio;\r
 460 //        }\r
 461 //\r
 462 //        @Override\r
 463 //        public Point2D getScale(IElement e) {\r
 464 //            AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
 465 //            return _getScale(at);\r
 466 //        }\r
 467 //\r
 468 //        @Override\r
 469 //        public void setScale(IElement e, Point2D newScale) {\r
 470 //            // Doesn't work for monitors.\r
 471 //            Point2D oldScale = getScale(e);\r
 472 //            double sx = newScale.getX() / oldScale.getX();\r
 473 //            double sy = newScale.getY() / oldScale.getY();\r
 474 //            AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
 475 //            at = new AffineTransform(at);\r
 476 //            at.scale(sx, sy);\r
 477 //            e.setHint(ElementHints.KEY_TRANSFORM, at);\r
 478 //        }\r
 479 //\r
 480 //        @Override\r
 481 //        public Point2D getMaximumScale(IElement e) {\r
 482 //            return null;\r
 483 //        }\r
 484 //\r
 485 //        @Override\r
 486 //        public Point2D getMinimumScale(IElement e) {\r
 487 //            return null;\r
 488 //        }\r
 489 //\r
 490 //        private static Point2D _getScale(AffineTransform at) {\r
 491 //            double m00 = at.getScaleX();\r
 492 //            double m11 = at.getScaleY();\r
 493 //            double m10 = at.getShearY();\r
 494 //            double m01 = at.getShearX();\r
 495 //            // Project unit vector to canvas\r
 496 //            double sx = Math.sqrt(m00 * m00 + m10 * m10);\r
 497 //            double sy = Math.sqrt(m01 * m01 + m11 * m11);\r
 498 //            return new Point2D.Double(sx, sy);\r
 499 //        }\r
 500 //\r
 501 //        @Override\r
 502 //        public void rotate(IElement e, double theta, Point2D origin) {\r
 503 //            if (Double.isNaN(theta)) return;\r
 504 //            theta = Math.toDegrees(theta);\r
 505 //            Double angle = e.getHint(KEY_DIRECTION);\r
 506 //            double newAngle = angle != null ? angle+theta : theta;\r
 507 //            newAngle = Math.IEEEremainder(newAngle, 360.0);\r
 508 //            e.setHint(KEY_DIRECTION, newAngle);\r
 509 //        }\r
 510 //\r
 511 //        @Override\r
 512 //        public double getAngle(IElement e) {\r
 513 //            Double angle = e.getHint(KEY_DIRECTION);\r
 514 //            return angle != null ? Math.toRadians(angle) : 0;\r
 515 //        }\r
 516 //\r
 517 //        @Override\r
 518 //        public Point2D getPosition(IElement e) {\r
 519 //            AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
 520 //            Point2D p = new Point2D.Double(at.getTranslateX(), at.getTranslateY());\r
 521 //            return p;\r
 522 //        }\r
 523 //\r
 524 //        @Override\r
 525 //        public void moveTo(IElement e, double x, double y) {\r
 526 //            AffineTransform origAt = e.getHint(ElementHints.KEY_TRANSFORM);\r
 527 //            double oldX = origAt.getTranslateX();\r
 528 //            double oldY = origAt.getTranslateY();\r
 529 //            AffineTransform move = AffineTransform.getTranslateInstance(x-oldX, y-oldY);\r
 530 //            AffineTransform at2 = new AffineTransform(origAt);\r
 531 //            at2.preConcatenate(move);\r
 532 //            e.setHint(ElementHints.KEY_TRANSFORM, at2);\r
 533 //        }\r
 534 //\r
 535 //        @Override\r
 536 //        public AffineTransform getTransform(IElement e) {\r
 537 //            AffineTransform at = e.getHint(ElementHints.KEY_TRANSFORM);\r
 538 //\r
 539 //            IElement parentElement = e.getHint(ElementHints.KEY_PARENT_ELEMENT);\r
 540 //            if (parentElement == null)\r
 541 //                return at;\r
 542 //\r
 543 //            Transform parentTransform = parentElement.getElementClass().getSingleItem(Transform.class);\r
 544 //            assert(parentTransform!=null);\r
 545 //\r
 546 //            AffineTransform result = (AffineTransform)at.clone();\r
 547 //            result.preConcatenate(parentTransform.getTransform(parentElement));\r
 548 //\r
 549 //            return result;\r
 550 //        }\r
 551 //\r
 552 //        @Override\r
 553 //        public void setTransform(IElement e, AffineTransform at) {\r
 554 //            e.setHint(ElementHints.KEY_TRANSFORM, at.clone());\r
 555 //        }\r
 556 //\r
 557 //        @Override\r
 558 //        public void onElementActivated(IDiagram d, IElement e) {\r
 559 //        }\r
 560 //\r
 561 //        @Override\r
 562 //        public void onElementCreated(IElement e) {\r
 563 //            e.setHint(ElementHints.KEY_TRANSFORM, new AffineTransform());\r
 564 //        }\r
 565 //\r
 566 //        @Override\r
 567 //        public void onElementDeactivated(IDiagram d, IElement e) {\r
 568 //        }\r
 569 //\r
 570 //        @Override\r
 571 //        public void onElementDestroyed(IElement e) {\r
 572 ////            List<SceneGraph> nodeHandlers = e.getElementClass().getItemsByClass(SceneGraph.class);\r
 573 ////            for(SceneGraph n : nodeHandlers) {\r
 574 ////                System.out.println("element gone:"+e);\r
 575 ////                n.cleanup(e);\r
 576 ////            }\r
 577 //        }\r
 578 //    }\r
 579 //\r
 580 //    static double getOrientationDelta(IElement e, AffineTransform tr) {\r
 581 //        Double angle = e.getHint(KEY_DIRECTION);\r
 582 //        if (angle == null || Double.isNaN(angle))\r
 583 //            return Double.NaN;\r
 584 //        double angrad = Math.toRadians(angle);\r
 585 //\r
 586 //        Vector2d forcedAxis = new Vector2d(Math.cos(angrad), Math.sin(angrad));\r
 587 //        Vector2d x = new Vector2d(tr.getScaleX(), tr.getShearX());\r
 588 //        forcedAxis.normalize();\r
 589 //        x.normalize();\r
 590 //        double cosa = forcedAxis.dot(x);\r
 591 //        double delta = Math.acos(cosa);\r
 592 //        return delta;\r
 593 //    }\r
 594 //\r
 595 //    static class MonitorImageFactory implements IFactory<Image> {\r
 596 //        private double staticScaleX = 1, staticScaleY = 1;\r
 597 //\r
 598 //        public MonitorImageFactory(double staticScaleX, double staticScaleY) {\r
 599 //            this.staticScaleX = staticScaleX;\r
 600 //            this.staticScaleY = staticScaleY;\r
 601 //        }\r
 602 //\r
 603 //        @Override\r
 604 //        public Image get() throws ProvisionException {\r
 605 //            return new AbstractImage() {\r
 606 //                Shape path = align(DEFAULT_HORIZONTAL_MARGIN, DEFAULT_VERTICAL_MARGIN, DEFAULT_HORIZONTAL_ALIGN, DEFAULT_VERTICAL_ALIGN,\r
 607 //                        new Rectangle2D.Double(0, 0, 50*staticScaleX, 22*staticScaleY));\r
 608 //\r
 609 //                @Override\r
 610 //                public Rectangle2D getBounds() {\r
 611 //                    return path.getBounds2D();\r
 612 //                }\r
 613 //\r
 614 //                @Override\r
 615 //                public EnumSet<Feature> getFeatures() {\r
 616 //                    return EnumSet.of(Feature.Vector);\r
 617 //                }\r
 618 //\r
 619 //                @Override\r
 620 //                public Shape getOutline() {\r
 621 //                    return path;\r
 622 //                }\r
 623 //\r
 624 //                @Override\r
 625 //                public Node init(G2DParentNode parent) {\r
 626 //                    MonitorNode node = parent.getOrCreateNode(""+hashCode(), MonitorNode.class);\r
 627 //                    node.setText("");\r
 628 //                    node.setSize(50, 22);\r
 629 //                    node.setBorderWidth(1);\r
 630 //                    node.setText("Drop Me");\r
 631 //                    node.setTransform(AffineTransform.getScaleInstance(staticScaleX, staticScaleY));\r
 632 //                    return node;\r
 633 //                }\r
 634 //            };\r
 635 //        }\r
 636 //    }\r
 637 //\r
 638 //    static final IProvider<Image> MONITOR_IMAGE =\r
 639 //        ProviderUtils.reference(\r
 640 //                ProviderUtils.cache(\r
 641 //                        ProviderUtils.rasterize(\r
 642 //                                new MonitorImageFactory(0.5, 0.5)\r
 643 //                        )));\r
 644 //\r
 645 //    static final StaticSymbol MONITOR_SYMBOL = new StaticSymbolImpl( MONITOR_IMAGE.get() );\r
 646 //\r
 647 //    static final FillColor FILL_COLOR = new FillColorImpl(DEFAULT_FILL_COLOR);\r
 648 //\r
 649 //    public static final ElementClass MONITOR_CLASS =\r
 650 //        ElementClass.compile(\r
 651 //                MonitorHandlerImpl.INSTANCE,\r
 652 //                Transformer.INSTANCE,\r
 653 //                BorderColorImpl.BLACK,\r
 654 //                FILL_COLOR,\r
 655 //                MonitorSGNode.INSTANCE,\r
 656 //                TextImpl.INSTANCE,\r
 657 //                TextEditorImpl.INSTANCE,\r
 658 //                TextFontImpl.DEFAULT,\r
 659 //                TextColorImpl.BLACK,\r
 660 //                SimpleElementLayers.INSTANCE,\r
 661 //                MONITOR_SYMBOL\r
 662 //        );\r
 663 //\r
 664 //    // staticScale{X,Y} define the scale of the static monitor image\r
 665 //    public static ElementClass create(IElement parentElement, Map<String, String> substitutions, Object component, String suffix, double staticScaleX, double staticScaleY, ElementHandler... extraHandlers) {\r
 666 //        // Bit of a hack to be able to define the scale\r
 667 //        IProvider<Image> staticMonitorSymbolProvider = ProviderUtils.reference(\r
 668 //                ProviderUtils.cache(\r
 669 //                        ProviderUtils\r
 670 //                        .rasterize(\r
 671 //                                new MonitorImageFactory(staticScaleX, staticScaleY))));\r
 672 //        StaticSymbol staticMonitorSymbol = new StaticSymbolImpl( staticMonitorSymbolProvider.get() );\r
 673 //        return ElementClass.compile(\r
 674 //                new Initializer(parentElement, substitutions, component, suffix, parentElement != null ? false : true),\r
 675 //                MonitorHandlerImpl.INSTANCE,\r
 676 //                Transformer.INSTANCE,\r
 677 //                BorderColorImpl.BLACK,\r
 678 //                FILL_COLOR,\r
 679 //                MonitorSGNode.INSTANCE,\r
 680 //                TextImpl.INSTANCE,\r
 681 //                TextEditorImpl.INSTANCE,\r
 682 //                TextFontImpl.DEFAULT,\r
 683 //                TextColorImpl.BLACK,\r
 684 //                SimpleElementLayers.INSTANCE,\r
 685 //                staticMonitorSymbol\r
 686 //        ).newClassWith(extraHandlers);\r
 687 //    }\r
 688 //\r
 689 //}\r