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

   1 // rs_actiondrawcircle.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  06/03/2010  Added this text. :-)
  13 //
  14
  15 #include "rs_actiondrawcircle.h"
  16
  17 #include "rs_dialogfactory.h"
  18 #include "rs_graphicview.h"
  19 #include "rs_preview.h"
  20
  21 RS_ActionDrawCircle::RS_ActionDrawCircle(RS_EntityContainer & container, RS_GraphicView & graphicView):
  22         RS_PreviewActionInterface("Draw circles", container, graphicView)
  23 {
  24         reset();
  25 }
  26
  27 RS_ActionDrawCircle::~RS_ActionDrawCircle()
  28 {
  29 }
  30
  31 /*virtual*/ RS2::ActionType RS_ActionDrawCircle::rtti()
  32 {
  33         return RS2::ActionDrawCircle;
  34 }
  35
  36 void RS_ActionDrawCircle::reset()
  37 {
  38         data = RS_CircleData(Vector(false), 0.0);
  39 }
  40
  41 void RS_ActionDrawCircle::init(int status)
  42 {
  43         RS_PreviewActionInterface::init(status);
  44
  45         reset();
  46 }
  47
  48 void RS_ActionDrawCircle::trigger()
  49 {
  50         RS_PreviewActionInterface::trigger();
  51
  52         RS_Circle * circle = new RS_Circle(container, data);
  53         circle->setLayerToActive();
  54         circle->setPenToActive();
  55         container->addEntity(circle);
  56
  57         // upd. undo list:
  58         if (document != NULL)
  59         {
  60                 document->startUndoCycle();
  61                 document->addUndoable(circle);
  62                 document->endUndoCycle();
  63         }
  64
  65         deleteSnapper();
  66         Vector rz = graphicView->getRelativeZero();
  67         graphicView->moveRelativeZero(Vector(0.0, 0.0));
  68         graphicView->drawEntity(circle);
  69         graphicView->moveRelativeZero(circle->getCenter());
  70         drawSnapper();
  71
  72         setStatus(SetCenter);
  73         reset();
  74
  75         RS_DEBUG->print("RS_ActionDrawCircle::trigger(): circle added: %d", circle->getId());
  76 }
  77
  78 void RS_ActionDrawCircle::mouseMoveEvent(QMouseEvent * e)
  79 {
  80         RS_DEBUG->print("RS_ActionDrawCircle::mouseMoveEvent begin");
  81
  82         Vector mouse = snapPoint(e);
  83
  84         switch (getStatus())
  85         {
  86         case SetCenter:
  87                 data.center = mouse;
  88                 break;
  89
  90         case SetRadius:
  91
  92                 if (data.center.valid)
  93                 {
  94                         data.radius = data.center.distanceTo(mouse);
  95                         deletePreview();
  96                         clearPreview();
  97                         preview->addEntity(new RS_Circle(preview,
  98                                         data));
  99                         drawPreview();
 100                 }
 101                 break;
 102         }
 103
 104         RS_DEBUG->print("RS_ActionDrawCircle::mouseMoveEvent end");
 105 }
 106
 107 void RS_ActionDrawCircle::mouseReleaseEvent(QMouseEvent * e)
 108 {
 109         if (e->button() == Qt::LeftButton)
 110         {
 111                 Vector ce(snapPoint(e));
 112                 coordinateEvent(&ce);
 113         }
 114         else if (e->button() == Qt::RightButton)
 115         {
 116                 deletePreview();
 117                 deleteSnapper();
 118                 init(getStatus() - 1);
 119         }
 120 }
 121
 122 void RS_ActionDrawCircle::coordinateEvent(Vector * e)
 123 {
 124         if (e == NULL)
 125                 return;
 126
 127         Vector mouse = *e;
 128
 129         switch (getStatus())
 130         {
 131         case SetCenter:
 132                 data.center = mouse;
 133                 graphicView->moveRelativeZero(mouse);
 134                 setStatus(SetRadius);
 135                 break;
 136
 137         case SetRadius:
 138
 139                 if (data.center.valid)
 140                 {
 141                         graphicView->moveRelativeZero(mouse);
 142                         data.radius = data.center.distanceTo(mouse);
 143                         trigger();
 144                 }
 145                 //setStatus(SetCenter);
 146                 break;
 147
 148         default:
 149                 break;
 150         }
 151 }
 152
 153 void RS_ActionDrawCircle::commandEvent(RS_CommandEvent * e)
 154 {
 155         QString c = e->getCommand().toLower();
 156
 157         if (checkCommand("help", c))
 158         {
 159                 if (RS_DIALOGFACTORY != NULL)
 160                         RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 161                                 + getAvailableCommands().join(", "));
 162                 return;
 163         }
 164
 165         switch (getStatus())
 166         {
 167         case SetRadius: {
 168                 bool ok;
 169                 double r = RS_Math::eval(c, &ok);
 170
 171                 if (ok == true)
 172                         data.radius = r;
 173                 else if (RS_DIALOGFACTORY != NULL)
 174                         RS_DIALOGFACTORY->commandMessage(
 175                                 tr("Not a valid expression"));
 176
 177                 trigger();
 178                 //setStatus(SetCenter);
 179         }
 180         break;
 181
 182         default:
 183                 break;
 184         }
 185 }
 186
 187 QStringList RS_ActionDrawCircle::getAvailableCommands()
 188 {
 189         QStringList cmd;
 190         return cmd;
 191 }
 192
 193 void RS_ActionDrawCircle::updateMouseButtonHints()
 194 {
 195         switch (getStatus())
 196         {
 197         case SetCenter:
 198
 199                 if (RS_DIALOGFACTORY != NULL)
 200                         RS_DIALOGFACTORY->updateMouseWidget(
 201                                 tr("Specify center"), tr("Cancel"));
 202                 break;
 203
 204         case SetRadius:
 205
 206                 if (RS_DIALOGFACTORY != NULL)
 207                         RS_DIALOGFACTORY->updateMouseWidget(tr("Specify radius"), tr("Back"));
 208                 break;
 209
 210         default:
 211
 212                 if (RS_DIALOGFACTORY != NULL)
 213                         RS_DIALOGFACTORY->updateMouseWidget("", "");
 214                 break;
 215         }
 216 }
 217
 218 void RS_ActionDrawCircle::showOptions()
 219 {
 220         RS_ActionInterface::showOptions();
 221 }
 222
 223 void RS_ActionDrawCircle::hideOptions()
 224 {
 225         RS_ActionInterface::hideOptions();
 226 }
 227
 228 void RS_ActionDrawCircle::updateMouseCursor()
 229 {
 230         graphicView->setMouseCursor(RS2::CadCursor);
 231 }
 232
 233 void RS_ActionDrawCircle::updateToolBar()
 234 {
 235         if (!isFinished())
 236         {
 237                 if (RS_DIALOGFACTORY != NULL)
 238                         RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 239         }
 240         else if (RS_DIALOGFACTORY != NULL)
 241                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 242
 243 }
 244
 245 // EOF
 246