Shamusworld >> Repos - architektonas/blob - src/actions/rs_actiondrawspline.cpp

   1 // rs_actiondrawspline.cpp
   2 //
   3 // Part of the Architektonas Project
   4 // Originally part of QCad Community Edition by Andrew Mustun
   5 // Extensively rewritten and refactored by James L. Hammons
   6 // (C) 2010 Underground Software
   7 //
   8 // JLH = James L. Hammons <jlhamm@acm.org>
   9 //
  10 // Who  When        What
  11 // ---  ----------  -----------------------------------------------------------
  12 // JLH  06/04/2010  Added this text. :-)
  13 //
  14
  15 #include "rs_actiondrawspline.h"
  16
  17 #include "rs_commandevent.h"
  18 #include "commands.h"
  19 #include "rs_dialogfactory.h"
  20 #include "graphicview.h"
  21 #include "rs_preview.h"
  22
  23 RS_ActionDrawSpline::RS_ActionDrawSpline(RS_EntityContainer & container, GraphicView & graphicView):
  24         RS_PreviewActionInterface("Draw splines", container, graphicView)
  25 {
  26         reset();
  27 #warning "!!! Need to port setAutoDelete() behaviour from Qt3 to Qt4 !!!"
  28 //      history.setAutoDelete(true);
  29         data = RS_SplineData(3, false);
  30         //bHistory.setAutoDelete(true);
  31 }
  32
  33 RS_ActionDrawSpline::~RS_ActionDrawSpline()
  34 {
  35 }
  36
  37 /*virtual*/ RS2::ActionType RS_ActionDrawSpline::rtti()
  38 {
  39         return RS2::ActionDrawSpline;
  40 }
  41
  42 void RS_ActionDrawSpline::reset()
  43 {
  44         spline = NULL;
  45         //start = Vector(false);
  46         history.clear();
  47         //bHistory.clear();
  48 }
  49
  50 void RS_ActionDrawSpline::init(int status)
  51 {
  52         RS_PreviewActionInterface::init(status);
  53
  54         reset();
  55 }
  56
  57 void RS_ActionDrawSpline::trigger()
  58 {
  59         RS_PreviewActionInterface::trigger();
  60
  61         if (spline == NULL)
  62                 return;
  63
  64         // add the entity
  65         //RS_Spline* spline = new RS_Spline(container, data);
  66         spline->setLayerToActive();
  67         spline->setPenToActive();
  68         spline->update();
  69         container->addEntity(spline);
  70
  71         // upd. undo list:
  72         if (document)
  73         {
  74                 document->startUndoCycle();
  75                 document->addUndoable(spline);
  76                 document->endUndoCycle();
  77         }
  78
  79         // upd view
  80         deleteSnapper();
  81         Vector r = graphicView->getRelativeZero();
  82         graphicView->moveRelativeZero(Vector(0.0, 0.0));
  83         graphicView->drawEntity(spline);
  84         graphicView->moveRelativeZero(r);
  85         drawSnapper();
  86         RS_DEBUG->print("RS_ActionDrawSpline::trigger(): spline added: %d", spline->getId());
  87
  88         spline = NULL;
  89         //history.clear();
  90 }
  91
  92 void RS_ActionDrawSpline::mouseMoveEvent(QMouseEvent * e)
  93 {
  94         RS_DEBUG->print("RS_ActionDrawSpline::mouseMoveEvent begin");
  95
  96         Vector mouse = snapPoint(e);
  97
  98         if (getStatus() == SetNextPoint && spline != NULL /*&& point.valid*/)
  99         {
 100                 deletePreview();
 101                 clearPreview();
 102
 103                 RS_Spline * tmpSpline = (RS_Spline *)spline->clone();
 104                 tmpSpline->addControlPoint(mouse);
 105                 tmpSpline->update();
 106                 preview->addEntity(tmpSpline);
 107
 108                 QList<Vector> cpts = tmpSpline->getControlPoints();
 109                 QList<Vector>::iterator it;
 110
 111                 for(it = cpts.begin(); it != cpts.end(); ++it)
 112                         preview->addEntity(new RS_Point(preview, RS_PointData(*it)));
 113
 114                 drawPreview();
 115         }
 116
 117         RS_DEBUG->print("RS_ActionDrawSpline::mouseMoveEvent end");
 118 }
 119
 120 void RS_ActionDrawSpline::mouseReleaseEvent(QMouseEvent * e)
 121 {
 122         if (e->button() == Qt::LeftButton)
 123         {
 124                 Vector ce(snapPoint(e));
 125                 coordinateEvent(&ce);
 126         }
 127         else if (e->button() == Qt::RightButton)
 128         {
 129                 if (getStatus() == SetNextPoint)
 130                         trigger();
 131
 132                 deletePreview();
 133                 clearPreview();
 134                 deleteSnapper();
 135                 init(getStatus() - 1);
 136         }
 137 }
 138
 139 void RS_ActionDrawSpline::coordinateEvent(Vector * e)
 140 {
 141         if (e == NULL)
 142                 return;
 143
 144         Vector mouse = *e;
 145
 146         switch (getStatus())
 147         {
 148         case SetStartpoint:
 149                 //data.startpoint = mouse;
 150                 //point = mouse;
 151                 history.clear();
 152                 history.append(new Vector(mouse));
 153
 154                 if (spline == NULL)
 155                 {
 156                         spline = new RS_Spline(container, data);
 157                         spline->addControlPoint(mouse);
 158                 }
 159
 160                 //bHistory.clear();
 161                 //bHistory.append(new double(0.0));
 162                 //start = mouse;
 163                 setStatus(SetNextPoint);
 164                 graphicView->moveRelativeZero(mouse);
 165                 updateMouseButtonHints();
 166                 break;
 167
 168         case SetNextPoint:
 169                 graphicView->moveRelativeZero(mouse);
 170                 //point = mouse;
 171                 history.append(new Vector(mouse));
 172                 //bHistory.append(new double(0.0));
 173
 174                 if (spline != NULL)
 175                 {
 176                         //graphicView->deleteEntity(spline);
 177                         spline->addControlPoint(mouse);
 178                         //spline->setEndpoint(mouse);
 179                         //if (spline->count()==1) {
 180                         //spline->setLayerToActive();
 181                         //spline->setPenToActive();
 182                         //container->addEntity(spline);
 183                         //}
 184                         deletePreview();
 185                         clearPreview();
 186                         deleteSnapper();
 187                         //graphicView->drawEntity(spline);
 188                         drawSnapper();
 189                 }
 190
 191                 //trigger();
 192                 //data.startpoint = data.endpoint;
 193                 updateMouseButtonHints();
 194                 //graphicView->moveRelativeZero(mouse);
 195                 break;
 196
 197         default:
 198                 break;
 199         }
 200 }
 201
 202 void RS_ActionDrawSpline::commandEvent(RS_CommandEvent * e)
 203 {
 204         QString c = e->getCommand().toLower();
 205
 206         switch (getStatus())
 207         {
 208         case SetStartpoint:
 209
 210                 if (checkCommand("help", c))
 211                 {
 212                         RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 213                                 + getAvailableCommands().join(", "));
 214                         return;
 215                 }
 216                 break;
 217
 218         case SetNextPoint:
 219                 /*if (checkCommand("close", c)) {
 220                     close();
 221                     updateMouseButtonHints();
 222                     return;
 223                    }*/
 224
 225                 if (checkCommand("undo", c))
 226                 {
 227                         undo();
 228                         updateMouseButtonHints();
 229                         return;
 230                 }
 231                 break;
 232
 233         default:
 234                 break;
 235         }
 236 }
 237
 238 QStringList RS_ActionDrawSpline::getAvailableCommands()
 239 {
 240         QStringList cmd;
 241
 242         switch (getStatus())
 243         {
 244         case SetStartpoint:
 245                 break;
 246
 247         case SetNextPoint:
 248
 249                 if (history.count() >= 2)
 250                         cmd += command("undo");
 251
 252
 253                 if (history.count() >= 3)
 254                         cmd += command("close");
 255                 break;
 256
 257         default:
 258                 break;
 259         }
 260
 261         return cmd;
 262 }
 263
 264 void RS_ActionDrawSpline::updateMouseButtonHints()
 265 {
 266         switch (getStatus())
 267         {
 268         case SetStartpoint:
 269                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first control point"),
 270                         tr("Cancel"));
 271                 break;
 272
 273         case SetNextPoint: {
 274                 QString msg = "";
 275
 276                 if (history.count() >= 3)
 277                 {
 278                         msg += RS_COMMANDS->command("close");
 279                         msg += "/";
 280                 }
 281
 282                 if (history.count() >= 2)
 283                         msg += RS_COMMANDS->command("undo");
 284
 285                 if (history.count() >= 2)
 286                         RS_DIALOGFACTORY->updateMouseWidget(
 287                                 tr("Specify next control point or [%1]").arg(msg),
 288                                 tr("Back"));
 289                 else
 290                         RS_DIALOGFACTORY->updateMouseWidget(
 291                                 tr("Specify next control point"),
 292                                 tr("Back"));
 293         }
 294         break;
 295
 296         default:
 297                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 298                 break;
 299         }
 300 }
 301
 302 void RS_ActionDrawSpline::showOptions()
 303 {
 304         RS_ActionInterface::showOptions();
 305
 306         RS_DIALOGFACTORY->requestOptions(this, true);
 307 }
 308
 309 void RS_ActionDrawSpline::hideOptions()
 310 {
 311         RS_ActionInterface::hideOptions();
 312
 313         RS_DIALOGFACTORY->requestOptions(this, false);
 314 }
 315
 316 void RS_ActionDrawSpline::updateMouseCursor()
 317 {
 318         graphicView->setMouseCursor(RS2::CadCursor);
 319 }
 320
 321 void RS_ActionDrawSpline::updateToolBar()
 322 {
 323         if (!isFinished())
 324                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 325         else
 326                 //RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSplines);
 327                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarMain);
 328 }
 329
 330 /*
 331    void RS_ActionDrawSpline::close() {
 332     if (history.count()>2 && start.valid) {
 333         //data.endpoint = start;
 334         //trigger();
 335                 if (spline!=NULL) {
 336                         Vector e(spline->getStartpoint());
 337                         coordinateEvent(&e);
 338                 }
 339                 trigger();
 340         setStatus(SetStartpoint);
 341         graphicView->moveRelativeZero(start);
 342     } else {
 343         RS_DIALOGFACTORY->commandMessage(
 344             tr("Cannot close sequence of lines: "
 345                "Not enough entities defined yet."));
 346     }
 347    }
 348  */
 349
 350 void RS_ActionDrawSpline::undo()
 351 {
 352         if (history.count() > 1)
 353         {
 354                 history.removeLast();
 355                 //bHistory.removeLast();
 356                 deletePreview();
 357                 clearPreview();
 358
 359                 //graphicView->setCurrentAction(
 360                 //    new RS_ActionEditUndo(true, *container, *graphicView));
 361                 if (history.last() != NULL)
 362                 {
 363                         //point = *history.last();
 364                 }
 365
 366                 if (spline != NULL)
 367                 {
 368                         spline->removeLastControlPoint();
 369                         Vector * v = history.last();
 370
 371                         if (v != NULL)
 372                                 graphicView->moveRelativeZero(*v);
 373                         graphicView->redraw();
 374                 }
 375         }
 376         else
 377                 RS_DIALOGFACTORY->commandMessage(
 378                         tr("Cannot undo: "
 379                                 "Not enough entities defined yet."));
 380 }
 381
 382 void RS_ActionDrawSpline::setDegree(int deg)
 383 {
 384         data.degree = deg;
 385
 386         if (spline != NULL)
 387                 spline->setDegree(deg);
 388 }
 389
 390 int RS_ActionDrawSpline::getDegree()
 391 {
 392         return data.degree;
 393 }
 394
 395 void RS_ActionDrawSpline::setClosed(bool c)
 396 {
 397         data.closed = c;
 398
 399         if (spline != NULL)
 400                 spline->setClosed(c);
 401 }
 402
 403 bool RS_ActionDrawSpline::isClosed()
 404 {
 405         return data.closed;
 406 }
 407
 408 // EOF