| 1 | /********************************************************************** |
| 2 | * Copyright (c) 2005, 2014 IBM Corporation, Ericsson |
| 3 | * All rights reserved. This program and the accompanying materials |
| 4 | * are made available under the terms of the Eclipse Public License v1.0 |
| 5 | * which accompanies this distribution, and is available at |
| 6 | * http://www.eclipse.org/legal/epl-v10.html |
| 7 | * |
| 8 | * Contributors: |
| 9 | * IBM - Initial API and implementation |
| 10 | * Bernd Hufmann - Updated for TMF |
| 11 | **********************************************************************/ |
| 12 | |
| 13 | package org.eclipse.tracecompass.tmf.ui.views.uml2sd.core; |
| 14 | |
| 15 | import org.eclipse.tracecompass.tmf.ui.views.uml2sd.drawings.IColor; |
| 16 | import org.eclipse.tracecompass.tmf.ui.views.uml2sd.drawings.IGC; |
| 17 | import org.eclipse.tracecompass.tmf.ui.views.uml2sd.preferences.ISDPreferences; |
| 18 | import org.eclipse.tracecompass.tmf.ui.views.uml2sd.preferences.SDViewPref; |
| 19 | |
| 20 | /** |
| 21 | * The base UML2 syncMessages implementation.<br> |
| 22 | * This abstract class only define one event occurrence to attach to the message.<br> |
| 23 | * Usually a message has two event occurrences attached, one for both ends. But some syncMessages(like synchronous |
| 24 | * syncMessages) only need one event occurrence to represent the time when they appear. Others kind of message |
| 25 | * representations (like asynchronous syncMessages) will be responsible to define the missing second eventOccurrence |
| 26 | * property.<br> |
| 27 | * <br> |
| 28 | * |
| 29 | * @see Lifeline Lifeline for more event occurence details |
| 30 | * @version 1.0 |
| 31 | * @author sveyrier |
| 32 | */ |
| 33 | public abstract class BaseMessage extends GraphNode { |
| 34 | |
| 35 | private static final int ARROW_LENGTH = 7; |
| 36 | private static final double ARROW_ANGLE = 0.75; |
| 37 | private static final Double ARROW_HEAD_Y = Double.valueOf(Math.sin(ARROW_ANGLE) * ARROW_LENGTH); |
| 38 | private static final Double ARROW_HEAD_X = Double.valueOf(Math.cos(ARROW_ANGLE) * ARROW_LENGTH); |
| 39 | // ------------------------------------------------------------------------ |
| 40 | // Attributes |
| 41 | // ------------------------------------------------------------------------ |
| 42 | /** |
| 43 | * The lifeline which send the message |
| 44 | */ |
| 45 | private Lifeline fStartLifeline = null; |
| 46 | /** |
| 47 | * The lifeline which receive the message |
| 48 | */ |
| 49 | private Lifeline fEndLifeline = null; |
| 50 | /** |
| 51 | * The visiblitiy flag. |
| 52 | */ |
| 53 | private boolean fVisible = true; |
| 54 | |
| 55 | // ------------------------------------------------------------------------ |
| 56 | // Methods |
| 57 | // ------------------------------------------------------------------------ |
| 58 | |
| 59 | @Override |
| 60 | public int getX() { |
| 61 | // returns the exact x coordinate |
| 62 | return getX(false); |
| 63 | } |
| 64 | |
| 65 | @Override |
| 66 | public int getY() { |
| 67 | /* |
| 68 | * Note: lifeline.getY() return the y coordinate of the top left corner of the rectangle which contain the |
| 69 | * lifeline name getHeight return the height of this rectangle The message y coordinate is then relative to this |
| 70 | * position depending of its eventOccurrence Space between syncMessages is constant |
| 71 | */ |
| 72 | if ((fStartLifeline != null) && (fEndLifeline != null)) { |
| 73 | /* |
| 74 | * Regular message, both ends are attached to a lifeline |
| 75 | */ |
| 76 | return fEndLifeline.getY() + fEndLifeline.getHeight() + (Metrics.getMessageFontHeigth() + Metrics.getMessagesSpacing()) * getEndOccurrence(); |
| 77 | |
| 78 | } |
| 79 | /* |
| 80 | * UML2 lost message kind |
| 81 | */ |
| 82 | if (fStartLifeline != null) { |
| 83 | return fStartLifeline.getY() + fStartLifeline.getHeight() + (Metrics.getMessageFontHeigth() + Metrics.getMessagesSpacing()) * getEndOccurrence(); |
| 84 | } |
| 85 | |
| 86 | /* |
| 87 | * UML2 found message kind |
| 88 | */ |
| 89 | if (fEndLifeline != null) { |
| 90 | return fEndLifeline.getY() + fEndLifeline.getHeight() + (Metrics.getMessageFontHeigth() + Metrics.getMessagesSpacing()) * getEndOccurrence(); |
| 91 | } |
| 92 | // return 0 by default |
| 93 | return 0; |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public int getWidth() { |
| 98 | // Returns the exact width |
| 99 | return getWidth(false); |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | public int getHeight() { |
| 104 | return 0; |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Returns the graph node x coordinate.<br> |
| 109 | * Depending on the quick parameter a approximative or exact value is return.<br> |
| 110 | * The approximative value does not take into account if both message ends are connected to a Lifeline Execution |
| 111 | * Occurrence.<br> |
| 112 | * Execution occurrence on a lifeline increase the vertical line width which represent the lifeline, this directly |
| 113 | * affect the message x coordinate and width.<br> |
| 114 | * <br> |
| 115 | * This method is typically used to faster execute none graphical operation like tooltip lookup.<br> |
| 116 | * <br> |
| 117 | * |
| 118 | * @param quick true to get an approximative value<br> |
| 119 | * false to get the exact x value<br> |
| 120 | * @return the graph node x coordinate |
| 121 | */ |
| 122 | protected int getX(boolean quick) { |
| 123 | int x = 0; |
| 124 | int activationWidth = Metrics.EXECUTION_OCCURRENCE_WIDTH / 2; |
| 125 | if ((fStartLifeline != null) && (fEndLifeline != null)) { |
| 126 | x = fStartLifeline.getX() + Metrics.getLifelineWidth() / 2; |
| 127 | } else { |
| 128 | if (fStartLifeline != null) { |
| 129 | x = fStartLifeline.getX() + Metrics.getLifelineWidth() / 2; |
| 130 | } |
| 131 | |
| 132 | if (fEndLifeline != null) { |
| 133 | x = fEndLifeline.getX() - Metrics.LIFELINE_SPACING / 2; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | if (quick) { |
| 138 | return x; |
| 139 | } |
| 140 | |
| 141 | if ((fStartLifeline != null) && (fEndLifeline != null) && (fStartLifeline.getX() > fEndLifeline.getX())) { |
| 142 | activationWidth = -activationWidth; |
| 143 | } |
| 144 | |
| 145 | if (isMessageStartInActivation(getEndOccurrence())) { |
| 146 | x = x + activationWidth; |
| 147 | } |
| 148 | |
| 149 | return x; |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Returns the graph node width.<br> |
| 154 | * Depending on the quick parameter a approximative or exact value is returned.<br> |
| 155 | * The approximative value does not take into account if both message ends are connected to a Lifeline Execution |
| 156 | * Occurrence.<br> |
| 157 | * Execution occurrence on a lifeline increase the vertical line width which represent the lifeline, this directly |
| 158 | * affect the message x coordinate and width.<br> |
| 159 | * <br> |
| 160 | * This method is typically used to faster execute none graphical operation like tooltip lookup.<br> |
| 161 | * <br> |
| 162 | * |
| 163 | * @param quick true to get an approximative value<br> |
| 164 | * false to get the exact x value |
| 165 | * @return the graph node width |
| 166 | */ |
| 167 | protected int getWidth(boolean quick) { |
| 168 | int width = 0; |
| 169 | int activationWidth = Metrics.EXECUTION_OCCURRENCE_WIDTH / 2; |
| 170 | if ((fStartLifeline != null) && (fEndLifeline != null)) { |
| 171 | if (fStartLifeline.equals(fEndLifeline)) { |
| 172 | width = Metrics.INTERNAL_MESSAGE_WIDTH + Metrics.EXECUTION_OCCURRENCE_WIDTH; |
| 173 | } else { |
| 174 | width = fEndLifeline.getX() + Metrics.getLifelineWidth() / 2 - getX(true); |
| 175 | } |
| 176 | } else { |
| 177 | if (fStartLifeline != null) { |
| 178 | width = Metrics.swimmingLaneWidth() / 2; |
| 179 | } |
| 180 | if (fEndLifeline != null) { |
| 181 | width = Metrics.swimmingLaneWidth() / 2; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | if (quick) { |
| 186 | return width; |
| 187 | } |
| 188 | |
| 189 | if ((fStartLifeline != null) && (fEndLifeline != null) && (fStartLifeline.getX() > fEndLifeline.getX())) { |
| 190 | activationWidth = -activationWidth; |
| 191 | } |
| 192 | |
| 193 | if (isMessageStartInActivation(getEndOccurrence())) { |
| 194 | width = width - activationWidth; |
| 195 | } |
| 196 | |
| 197 | if (isMessageEndInActivation(getEndOccurrence())) { |
| 198 | width = width - activationWidth; |
| 199 | } |
| 200 | |
| 201 | return width; |
| 202 | } |
| 203 | |
| 204 | @Override |
| 205 | public boolean isVisible(int x, int y, int width, int height) { |
| 206 | // ***Common*** syncMessages visibility |
| 207 | // draw the message only if at least one end is visible |
| 208 | if (fEndLifeline != null && (fEndLifeline.isVisible(x, y, width, height)) || (fStartLifeline != null && fStartLifeline.isVisible(x, y, width, height))) { |
| 209 | return true; |
| 210 | } |
| 211 | // In this case it can be a message which cross the whole visible area |
| 212 | else if (fEndLifeline != null && (!fEndLifeline.isVisible(x, y, width, height)) && (fStartLifeline != null && !fStartLifeline.isVisible(x, y, width, height))) { |
| 213 | if (fEndLifeline.getX() > x + width && fStartLifeline.getX() < x) { |
| 214 | return true; |
| 215 | } else if (fStartLifeline.getX() > x + width && fEndLifeline.getX() < x) { |
| 216 | return true; |
| 217 | } |
| 218 | } |
| 219 | return false; |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Sets the visibility value. |
| 224 | * |
| 225 | * @param value The visibility to set. |
| 226 | */ |
| 227 | public void setVisible(boolean value) { |
| 228 | fVisible = value; |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * @return the visibility value. |
| 233 | */ |
| 234 | public boolean isVisible() { |
| 235 | return fVisible; |
| 236 | } |
| 237 | |
| 238 | /** |
| 239 | * Set the lifeline from which this message has been sent. |
| 240 | * |
| 241 | * @param lifeline - the message sender |
| 242 | */ |
| 243 | public void setStartLifeline(Lifeline lifeline) { |
| 244 | fStartLifeline = lifeline; |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Returns the lifeline from which this message has been sent. |
| 249 | * |
| 250 | * @return the message sender |
| 251 | */ |
| 252 | public Lifeline getStartLifeline() { |
| 253 | return fStartLifeline; |
| 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Returns the lifeline which has received this message. |
| 258 | * |
| 259 | * @return the message receiver |
| 260 | */ |
| 261 | public Lifeline getEndLifeline() { |
| 262 | return fEndLifeline; |
| 263 | } |
| 264 | |
| 265 | /** |
| 266 | * Set the lifeline which has receive this message. |
| 267 | * |
| 268 | * @param lifeline the message receiver |
| 269 | */ |
| 270 | public void setEndLifeline(Lifeline lifeline) { |
| 271 | fEndLifeline = lifeline; |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Set the event occurrence when this message occurs.<br> |
| 276 | * |
| 277 | * @param occurrence the event occurrence to assign to this message.<br> |
| 278 | * @see Lifeline Lifeline for more event occurence details |
| 279 | */ |
| 280 | protected void setEventOccurrence(int occurrence) { |
| 281 | setEndOccurrence(occurrence); |
| 282 | } |
| 283 | |
| 284 | /** |
| 285 | * Returns the event occurence when is message occurs.<br> |
| 286 | * |
| 287 | * @return the event occurrence assigned to this message.<br> |
| 288 | * @see Lifeline Lifeline for more event occurence details |
| 289 | */ |
| 290 | public int getEventOccurrence() { |
| 291 | return getEndOccurrence(); |
| 292 | } |
| 293 | |
| 294 | /** |
| 295 | * Determines if the given eventOccurence occurs on a executionOccurence owned by the sending lifeline.<br> |
| 296 | * WARNING: this method will return a valid result only for execution occurrences which are visible in the View.<br> |
| 297 | * As consequence this method is only used for drawing purpose, especially to determine the exact message x |
| 298 | * coordinate and width.<br> |
| 299 | * |
| 300 | * @see BaseMessage#getX(boolean) |
| 301 | * @param event the event occurrence to test |
| 302 | * @return true if occurs on a execution occurrence owned by the sending lifeine, false otherwise |
| 303 | */ |
| 304 | protected boolean isMessageStartInActivation(int event) { |
| 305 | boolean inActivation = false; |
| 306 | if ((fStartLifeline != null) && (fStartLifeline.getExecutions() != null)) { |
| 307 | // int acIndex=startLifeline.getExecOccurrenceDrawIndex(); |
| 308 | // acIndex = first visible execution occurrence |
| 309 | // for drawing speed reason with only search on the visivle subset |
| 310 | int thisY = getY(); |
| 311 | for (int i = 0; i < fStartLifeline.getExecutions().size(); i++) { |
| 312 | BasicExecutionOccurrence toDraw = (BasicExecutionOccurrence) fStartLifeline.getExecutions().get(i); |
| 313 | if ((event >= toDraw.getStartOccurrence()) && (event <= toDraw.getEndOccurrence())) { |
| 314 | inActivation = true; |
| 315 | } |
| 316 | // if we are outside the visible area we stop right now |
| 317 | // This works because execution occurrences are ordered along the Y axis |
| 318 | if (toDraw.getY() > thisY) { |
| 319 | break; |
| 320 | } |
| 321 | } |
| 322 | } |
| 323 | return inActivation; |
| 324 | } |
| 325 | |
| 326 | /** |
| 327 | * Determines if the given event occurrence occurs on a execution occurrence owned by the receiving lifeline.<br> |
| 328 | * WARNING: this method will return a valid result only for execution occurrences which are visible in the View.<br> |
| 329 | * As consequence this method is only used for drawing purpose, especially to determine the exact message x |
| 330 | * coordinate and width.<br> |
| 331 | * |
| 332 | * @see BaseMessage#getX(boolean) |
| 333 | * @param event the event occurrence to test |
| 334 | * @return true if occurs on a execution occurrence owned by the receiving lifeline, false otherwise |
| 335 | */ |
| 336 | protected boolean isMessageEndInActivation(int event) { |
| 337 | boolean inActivation = false; |
| 338 | if ((fEndLifeline != null) && (fEndLifeline.getExecutions() != null)) { |
| 339 | // acIndex = first visible execution occurrence |
| 340 | // for drawing speed reason with only search on the visivle subset |
| 341 | for (int i = 0; i < fEndLifeline.getExecutions().size(); i++) { |
| 342 | BasicExecutionOccurrence toDraw = (BasicExecutionOccurrence) fEndLifeline.getExecutions().get(i); |
| 343 | if ((event >= toDraw.getStartOccurrence()) && (event <= toDraw.getEndOccurrence())) { |
| 344 | inActivation = true; |
| 345 | } |
| 346 | // if we are outside the visible area we stop right now |
| 347 | // This works because execution occurrences are ordered along the Y axis |
| 348 | if (toDraw.getY() > getY()) { |
| 349 | break; |
| 350 | } |
| 351 | } |
| 352 | } |
| 353 | return inActivation; |
| 354 | } |
| 355 | |
| 356 | @Override |
| 357 | public boolean contains(int xValue, int yValue) { |
| 358 | int x = getX(); |
| 359 | int y = getY(); |
| 360 | int width = getWidth(); |
| 361 | int height = getHeight(); |
| 362 | |
| 363 | // Used to create a rectangle which contains the message label to allow selection when clicking the label |
| 364 | int tempHeight = Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth(); |
| 365 | |
| 366 | // Is it a self message? |
| 367 | if (fStartLifeline.equals(fEndLifeline)) { |
| 368 | /* |
| 369 | * Rectangle.contains(x,y, width, height) does not works with negative height or width We check here if the |
| 370 | * rectangle width is negative. |
| 371 | */ |
| 372 | if (getName().length() * Metrics.getAverageCharWidth() > Metrics.swimmingLaneWidth() - Metrics.EXECUTION_OCCURRENCE_WIDTH / 2 + -Metrics.INTERNAL_MESSAGE_WIDTH) { |
| 373 | if (GraphNode.contains(x + Metrics.INTERNAL_MESSAGE_WIDTH + 10, y, Metrics.swimmingLaneWidth() - Metrics.EXECUTION_OCCURRENCE_WIDTH / 2 + -Metrics.INTERNAL_MESSAGE_WIDTH, Metrics.getMessageFontHeigth(), xValue, yValue)) { |
| 374 | return true; |
| 375 | } |
| 376 | } else { |
| 377 | if (GraphNode.contains(x + Metrics.INTERNAL_MESSAGE_WIDTH + 10, y, getName().length() * Metrics.getAverageCharWidth(), Metrics.getMessageFontHeigth(), xValue, yValue)) { |
| 378 | return true; |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | // Test if the point is in part 1 of the self message |
| 383 | // see: "private void drawMessage (NGC context)" method for self message drawing schema |
| 384 | if (GraphNode.contains(x, y - Metrics.MESSAGE_SELECTION_TOLERANCE / 2, Metrics.INTERNAL_MESSAGE_WIDTH / 2, Metrics.MESSAGE_SELECTION_TOLERANCE, xValue, yValue)) { |
| 385 | return true; |
| 386 | } |
| 387 | |
| 388 | // Test if the point is in part 3 of the self message |
| 389 | if (GraphNode.contains(x + Metrics.INTERNAL_MESSAGE_WIDTH - Metrics.MESSAGE_SELECTION_TOLERANCE / 2, y, Metrics.MESSAGE_SELECTION_TOLERANCE, height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT, xValue, yValue)) { |
| 390 | return true; |
| 391 | } |
| 392 | |
| 393 | // Test if the point is in part 5 of the self message |
| 394 | if (GraphNode.contains(x, y + height - Metrics.MESSAGE_SELECTION_TOLERANCE / 2 + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT, Metrics.INTERNAL_MESSAGE_WIDTH / 2, Metrics.MESSAGE_SELECTION_TOLERANCE, xValue, yValue)) { |
| 395 | return true; |
| 396 | } |
| 397 | |
| 398 | // false otherwise |
| 399 | return false; |
| 400 | } |
| 401 | if (GraphNode.contains(x, y - tempHeight, width, tempHeight, xValue, yValue)) { |
| 402 | return true; |
| 403 | } |
| 404 | // false otherwise |
| 405 | return false; |
| 406 | } |
| 407 | |
| 408 | /** |
| 409 | * Method to draw the message using the graphical context. |
| 410 | * |
| 411 | * @param context A graphical context to draw in. |
| 412 | */ |
| 413 | protected void drawMessage(IGC context) { |
| 414 | int fX = 0; |
| 415 | int fY = 0; |
| 416 | int fW = 0; |
| 417 | int fH = 0; |
| 418 | |
| 419 | // temporary store the coordinates to avoid more methods calls |
| 420 | int x = getX(); |
| 421 | int y = getY(); |
| 422 | int width = getWidth(); |
| 423 | int height = getHeight(); |
| 424 | |
| 425 | ISDPreferences pref = SDViewPref.getInstance(); |
| 426 | |
| 427 | // UML2 found message (always drawn from left to right) |
| 428 | // or UML2 lost message (always drawn from left to right) |
| 429 | if ((fStartLifeline == null || fEndLifeline == null) && !fStartLifeline.equals(fEndLifeline)) { |
| 430 | // Draw the message label above the message and centered |
| 431 | // The label is truncated if it cannot fit between the two message end |
| 432 | // 2*Metrics.MESSAGES_NAME_SPACING = space above the label + space below the label |
| 433 | IColor temp = context.getForeground(); |
| 434 | context.setForeground(pref.getFontColor(getColorPrefId())); |
| 435 | context.drawTextTruncatedCentred(getName(), x, y - Metrics.getMessageFontHeigth() - 2 * Metrics.MESSAGES_NAME_SPACING, width, 2 * Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth(), !isSelected()); |
| 436 | context.setForeground(temp); |
| 437 | int margin = 0; |
| 438 | if (fEndLifeline == null) { |
| 439 | margin = Metrics.MESSAGE_CIRCLE_RAY; |
| 440 | } |
| 441 | |
| 442 | // Draw the message main line |
| 443 | context.drawLine(x, y, x + width, y + height); |
| 444 | // Draw the two little lines which make a arrow part of the message |
| 445 | Double xt = ARROW_HEAD_X; |
| 446 | Double yt = ARROW_HEAD_Y; |
| 447 | if (context.getLineStyle() == context.getLineSolidStyle()) { |
| 448 | IColor backcolor = context.getBackground(); |
| 449 | context.setBackground(context.getForeground()); |
| 450 | int[] points = { x + width - margin, y + height, x + width - xt.intValue() - margin, y + height - yt.intValue(), x + width - xt.intValue() - margin, y + height + yt.intValue(), x + width - margin, y + height }; |
| 451 | context.fillPolygon(points); |
| 452 | context.drawPolygon(points); |
| 453 | context.setBackground(backcolor); |
| 454 | } else { |
| 455 | int currentStyle = context.getLineStyle(); |
| 456 | int currentWidth = context.getLineWidth(); |
| 457 | context.setLineWidth(currentWidth + 2); |
| 458 | context.setLineStyle(context.getLineSolidStyle()); |
| 459 | context.drawLine(x + width - xt.intValue() - margin, y + height - yt.intValue(), x + width - margin, y + height); |
| 460 | context.drawLine(x + width - xt.intValue() - margin, y + height + yt.intValue(), x + width - margin, y + height); |
| 461 | context.setLineStyle(currentStyle); |
| 462 | context.setLineWidth(currentWidth); |
| 463 | } |
| 464 | IColor storedColor = context.getBackground(); |
| 465 | context.setBackground(context.getForeground()); |
| 466 | |
| 467 | // Draw a circle at the message end (endLifeline side) |
| 468 | int ray = Metrics.MESSAGE_CIRCLE_RAY; |
| 469 | if (context.getLineWidth() != Metrics.NORMAL_LINE_WIDTH) { |
| 470 | ray = ray + Metrics.SELECTION_LINE_WIDTH - Metrics.NORMAL_LINE_WIDTH; |
| 471 | } |
| 472 | if (fStartLifeline == null) { |
| 473 | context.fillOval(x - ray, y - ray, ray * 2, ray * 2); |
| 474 | } else { |
| 475 | context.fillOval(x + width - ray, y + height - ray, ray * 2, ray * 2); |
| 476 | } |
| 477 | context.setBackground(storedColor); |
| 478 | context.setForeground(pref.getFontColor(getColorPrefId())); |
| 479 | fX = x; |
| 480 | fY = y - yt.intValue(); |
| 481 | fW = width; |
| 482 | fH = height + 2 * yt.intValue(); |
| 483 | } |
| 484 | // it is self message (always drawn at the left side of the owning lifeLifeline) |
| 485 | else if (fStartLifeline != null && fEndLifeline != null && fStartLifeline.equals(fEndLifeline)) { |
| 486 | /* |
| 487 | * Self syncMessages are drawn in 5 parts 1 -----------+ + 2 + | | | 3 | + 5 + 4 -----------+ |
| 488 | */ |
| 489 | int tempy = Metrics.INTERNAL_MESSAGE_WIDTH / 2; |
| 490 | if (Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT <= Metrics.INTERNAL_MESSAGE_WIDTH) { |
| 491 | tempy = Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT / 2; |
| 492 | } |
| 493 | |
| 494 | // Part 1 |
| 495 | context.drawLine(x, y, x + Metrics.INTERNAL_MESSAGE_WIDTH / 2, y); |
| 496 | // Part 3 |
| 497 | context.drawLine(x + Metrics.INTERNAL_MESSAGE_WIDTH, y + tempy, x + Metrics.INTERNAL_MESSAGE_WIDTH, y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT - tempy); |
| 498 | // Part 5 |
| 499 | context.drawLine(x, y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT, x + Metrics.INTERNAL_MESSAGE_WIDTH / 2, y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT); |
| 500 | |
| 501 | Double xt = ARROW_HEAD_X; |
| 502 | Double yt = ARROW_HEAD_Y; |
| 503 | |
| 504 | fX = x; |
| 505 | fY = y; |
| 506 | fW = Metrics.INTERNAL_MESSAGE_WIDTH; |
| 507 | fH = height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT; |
| 508 | |
| 509 | // Draw the two little lines which make a arrow part of the message |
| 510 | if (context.getLineStyle() == context.getLineSolidStyle()) { |
| 511 | IColor backcolor = context.getBackground(); |
| 512 | context.setBackground(context.getForeground()); |
| 513 | int[] points = { x, y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT, x + xt.intValue(), y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT + yt.intValue(), x + xt.intValue(), |
| 514 | y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT - yt.intValue(), x, y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT }; |
| 515 | context.fillPolygon(points); |
| 516 | context.drawPolygon(points); |
| 517 | context.setBackground(backcolor); |
| 518 | } else { |
| 519 | int currentStyle = context.getLineStyle(); |
| 520 | int currentWidth = context.getLineWidth(); |
| 521 | context.setLineWidth(currentWidth + 2); |
| 522 | context.setLineStyle(context.getLineSolidStyle()); |
| 523 | context.drawLine(x + xt.intValue(), y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT + yt.intValue(), x, y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT); |
| 524 | context.drawLine(x + xt.intValue(), y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT - yt.intValue(), x, y + height + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT); |
| 525 | context.setLineStyle(currentStyle); |
| 526 | context.setLineWidth(currentWidth); |
| 527 | } |
| 528 | |
| 529 | // Part 2 |
| 530 | context.drawArc(x, y, Metrics.INTERNAL_MESSAGE_WIDTH, 2 * tempy, 0, 90); |
| 531 | // Part 4 |
| 532 | context.drawArc(x, y + Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT, Metrics.INTERNAL_MESSAGE_WIDTH, -2 * tempy, 0, -90); |
| 533 | |
| 534 | // Draw the message label above the message and centered |
| 535 | // The label is truncated if it cannot fit between the two message end |
| 536 | // 2*Metrics.MESSAGES_NAME_SPACING = space above the label + space below the label |
| 537 | |
| 538 | // the space available for the text is sorter if are drawing internal message on the last lifeline |
| 539 | context.setForeground(pref.getFontColor(getColorPrefId())); |
| 540 | if (fStartLifeline.getIndex() == fStartLifeline.getFrame().getHorizontalIndex()) { |
| 541 | context.drawTextTruncated(getName(), x + width + Metrics.INTERNAL_MESSAGE_V_MARGIN / 2, y, Metrics.swimmingLaneWidth() / 2 - Metrics.EXECUTION_OCCURRENCE_WIDTH + -Metrics.INTERNAL_MESSAGE_WIDTH, +Metrics.MESSAGES_NAME_SPACING |
| 542 | - Metrics.getMessageFontHeigth(), !isSelected()); |
| 543 | } else { |
| 544 | context.drawTextTruncated(getName(), x + width + Metrics.INTERNAL_MESSAGE_V_MARGIN / 2, y, Metrics.swimmingLaneWidth() - Metrics.EXECUTION_OCCURRENCE_WIDTH + -Metrics.INTERNAL_MESSAGE_WIDTH, |
| 545 | +Metrics.MESSAGES_NAME_SPACING - Metrics.getMessageFontHeigth(), !isSelected()); |
| 546 | } |
| 547 | } |
| 548 | // it is regular message |
| 549 | else if (fStartLifeline != null && fEndLifeline != null) { |
| 550 | // Draw the message main line |
| 551 | context.drawLine(x, y, x + width, y + height); |
| 552 | |
| 553 | int spaceBTWStartEnd = fEndLifeline.getX() - fStartLifeline.getX(); |
| 554 | |
| 555 | double a = height; |
| 556 | double b = width; |
| 557 | double angle = Math.atan(a / b); |
| 558 | // Compute the coordinates of the two little lines which make the arrow part of the message |
| 559 | int sign = 1; |
| 560 | if (spaceBTWStartEnd < 0) { |
| 561 | sign = -1; |
| 562 | } |
| 563 | Double x1 = Double.valueOf(sign * Math.cos(angle - ARROW_ANGLE) * ARROW_LENGTH); |
| 564 | Double y1 = Double.valueOf(sign * Math.sin(angle - ARROW_ANGLE) * ARROW_LENGTH); |
| 565 | Double x2 = Double.valueOf(sign * Math.cos(angle + ARROW_ANGLE) * ARROW_LENGTH); |
| 566 | Double y2 = Double.valueOf(sign * Math.sin(angle + ARROW_ANGLE) * ARROW_LENGTH); |
| 567 | |
| 568 | fX = getX(); |
| 569 | fY = y + height - y2.intValue(); |
| 570 | fW = getWidth(); |
| 571 | fH = y2.intValue() - y1.intValue() + 1; |
| 572 | if (fW < 0) { |
| 573 | fW = -fW; |
| 574 | fX = fX - fW; |
| 575 | } |
| 576 | |
| 577 | if (fH < 0) { |
| 578 | fH = -fH; |
| 579 | fY = fY - fH; |
| 580 | } |
| 581 | |
| 582 | // Draw the two little lines which make a arrow part of the message |
| 583 | if (context.getLineStyle() == context.getLineSolidStyle()) { |
| 584 | IColor backcolor = context.getBackground(); |
| 585 | context.setBackground(context.getForeground()); |
| 586 | int[] points = { x + width - x1.intValue(), y + height - y1.intValue(), x + width, y + height, x + width - x2.intValue(), y + height - y2.intValue(), x + width - x1.intValue(), y + height - y1.intValue() }; |
| 587 | context.fillPolygon(points); |
| 588 | context.drawPolygon(points); |
| 589 | context.setBackground(backcolor); |
| 590 | } else { |
| 591 | int currentStyle = context.getLineStyle(); |
| 592 | int currentWidth = context.getLineWidth(); |
| 593 | context.setLineWidth(currentWidth + 2); |
| 594 | context.setLineStyle(context.getLineSolidStyle()); |
| 595 | context.drawLine(x + width - x1.intValue(), y + height - y1.intValue(), x + width, y + height); |
| 596 | context.drawLine(x + width - x2.intValue(), y + height - y2.intValue(), x + width, y + height); |
| 597 | context.setLineStyle(currentStyle); |
| 598 | context.setLineWidth(currentWidth); |
| 599 | } |
| 600 | |
| 601 | // Draw the message label above the message and centered |
| 602 | // The label is truncated if it cannot fit between the two message end |
| 603 | // 2*Metrics.MESSAGES_NAME_SPACING = space above the label + space below the label |
| 604 | context.setForeground(pref.getFontColor(getColorPrefId())); |
| 605 | if (spaceBTWStartEnd > 0) { |
| 606 | context.drawTextTruncatedCentred(getName(), x, y + height / 2 - (2 * Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth()), width, 2 * Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth(), !isSelected()); |
| 607 | } else { |
| 608 | context.drawTextTruncatedCentred(getName(), x + width, y + height / 2 - (2 * Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth()), -width, 2 * Metrics.MESSAGES_NAME_SPACING + +Metrics.getMessageFontHeigth(), !isSelected()); |
| 609 | } |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | @Override |
| 614 | public void draw(IGC context) { |
| 615 | if (!isVisible()) { |
| 616 | return; |
| 617 | } |
| 618 | |
| 619 | // Draw it selected?*/ |
| 620 | if (isSelected()) { |
| 621 | ISDPreferences pref = SDViewPref.getInstance(); |
| 622 | /* |
| 623 | * Draw it twice First time, bigger inverting selection colors Second time, regular drawing using selection |
| 624 | * colors This create the highlight effect |
| 625 | */ |
| 626 | context.setForeground(pref.getBackGroundColorSelection()); |
| 627 | context.setLineWidth(Metrics.SELECTION_LINE_WIDTH); |
| 628 | drawMessage(context); |
| 629 | context.setBackground(pref.getBackGroundColorSelection()); |
| 630 | context.setForeground(pref.getForeGroundColorSelection()); |
| 631 | // Second drawing is done after |
| 632 | } |
| 633 | context.setLineWidth(Metrics.NORMAL_LINE_WIDTH); |
| 634 | if (hasFocus()) { |
| 635 | context.setDrawTextWithFocusStyle(true); |
| 636 | } |
| 637 | drawMessage(context); |
| 638 | int oldStyle = context.getLineStyle(); |
| 639 | if (hasFocus()) { |
| 640 | context.setDrawTextWithFocusStyle(false); |
| 641 | drawFocus(context); |
| 642 | } |
| 643 | // restore the context |
| 644 | context.setLineStyle(oldStyle); |
| 645 | } |
| 646 | |
| 647 | /** |
| 648 | * Determine if two messages are identical. This default implementation considers that overlapping messages with |
| 649 | * same coordinates are identical. |
| 650 | * |
| 651 | * @param message - the message to compare with |
| 652 | * @return true if identical false otherwise |
| 653 | * |
| 654 | * @see org.eclipse.tracecompass.tmf.ui.views.uml2sd.core.GraphNode#isSameAs(org.eclipse.tracecompass.tmf.ui.views.uml2sd.core.GraphNode) |
| 655 | */ |
| 656 | @Override |
| 657 | public boolean isSameAs(GraphNode message) { |
| 658 | if (message == null) { |
| 659 | return false; |
| 660 | } |
| 661 | if (!(message instanceof BaseMessage)) { |
| 662 | return super.isSameAs(message); |
| 663 | } |
| 664 | return ((getX() == message.getX()) && (getY() == message.getY()) && (getWidth() == message.getWidth()) && (getHeight() == message.getHeight())); |
| 665 | } |
| 666 | |
| 667 | /** |
| 668 | * Method drawRot. |
| 669 | * |
| 670 | * @param x A x coordinate |
| 671 | * @param y A y coordinate |
| 672 | * @param w A width |
| 673 | * @param h A height |
| 674 | * @param context A graphical context |
| 675 | */ |
| 676 | public void drawRot(int x, int y, int w, int h, IGC context) { |
| 677 | double angleA = Math.atan2(getHeight(), getWidth()); |
| 678 | double cosA = Math.cos(angleA); |
| 679 | double sinA = Math.sin(angleA); |
| 680 | |
| 681 | int gx = getX(); |
| 682 | int gy = getY(); |
| 683 | |
| 684 | int localHeight = h; |
| 685 | localHeight = localHeight / 2; |
| 686 | |
| 687 | double cw = Math.sqrt(w * w + getHeight() * getHeight()); |
| 688 | |
| 689 | int x1 = Math.round((float) ((x - gx) * cosA - (y - gy) * sinA)); |
| 690 | int y1 = Math.round((float) ((x - gx) * sinA + (y - gy) * cosA)); |
| 691 | |
| 692 | int x2 = Math.round((float) (cw * cosA - (y - gy) * sinA)); |
| 693 | int y2 = Math.round((float) (cw * sinA + (y - gy) * cosA)); |
| 694 | |
| 695 | int x3 = Math.round((float) (cw * cosA - (localHeight) * sinA)); |
| 696 | int y3 = Math.round((float) (cw * sinA + (localHeight) * cosA)); |
| 697 | |
| 698 | int x4 = Math.round((float) ((x - gx) * cosA - (localHeight) * sinA)); |
| 699 | int y4 = Math.round((float) ((x - gx) * sinA + (localHeight) * cosA)); |
| 700 | |
| 701 | int[] points = { x1 + getX(), y1 + getY(), x2 + getX(), y2 + getY(), x3 + getX(), y3 + getY(), x4 + getX(), y4 + getY() }; |
| 702 | context.drawPolygon(points); |
| 703 | } |
| 704 | |
| 705 | @Override |
| 706 | public void drawFocus(IGC context) { |
| 707 | |
| 708 | ISDPreferences pref = SDViewPref.getInstance(); |
| 709 | |
| 710 | if ((!fStartLifeline.equals(fEndLifeline)) && (getStartOccurrence() == getEndOccurrence())) { |
| 711 | context.setLineStyle(context.getLineDotStyle()); |
| 712 | context.setLineWidth(Metrics.NORMAL_LINE_WIDTH); |
| 713 | context.setBackground(pref.getBackGroundColorSelection()); |
| 714 | context.setForeground(pref.getForeGroundColorSelection()); |
| 715 | context.drawFocus(getX(), getY() - 3, getWidth(), getHeight() + 6); |
| 716 | } else if ((fStartLifeline == fEndLifeline) && (getStartOccurrence() == getEndOccurrence())) { |
| 717 | context.drawFocus(getX(), getY() - 3, getWidth(), Metrics.SYNC_INTERNAL_MESSAGE_HEIGHT + 6); |
| 718 | } else if ((!fStartLifeline.equals(fEndLifeline)) && (getStartOccurrence() != getEndOccurrence())) { |
| 719 | context.setLineStyle(context.getLineDotStyle()); |
| 720 | context.setLineWidth(Metrics.NORMAL_LINE_WIDTH); |
| 721 | context.setBackground(pref.getBackGroundColor(ISDPreferences.PREF_LIFELINE_HEADER)); |
| 722 | context.setForeground(pref.getForeGroundColor(ISDPreferences.PREF_LIFELINE_HEADER)); |
| 723 | drawRot(getX(), getY() - 5, getWidth(), 10, context); |
| 724 | } else { |
| 725 | super.drawFocus(context); |
| 726 | } |
| 727 | } |
| 728 | } |