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

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