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 // Portions copyright (C) 2001-2003 RibbonSoft
   7 // Copyright (C) 2010 Underground Software
   8 // See the README and GPLv2 files for licensing and warranty information
   9 //
  10 // JLH = James L. Hammons <jlhamm@acm.org>
  11 //
  12 // Who  When        What
  13 // ---  ----------  -----------------------------------------------------------
  14 // JLH  06/03/2010  Added this text. :-)
  15 //
  16
  17 #include "actiondrawcircle.h"
  18
  19 #include "rs_commandevent.h"
  20 #include "rs_dialogfactory.h"
  21 #include "graphicview.h"
  22 #include "rs_preview.h"
  23
  24 ActionDrawCircle::ActionDrawCircle(RS_EntityContainer & container, GraphicView & graphicView):
  25         ActionInterface("Draw circles", container, graphicView)
  26 {
  27         reset();
  28 }
  29
  30 ActionDrawCircle::~ActionDrawCircle()
  31 {
  32 }
  33
  34 /*virtual*/ RS2::ActionType ActionDrawCircle::rtti()
  35 {
  36         return RS2::ActionDrawCircle;
  37 }
  38
  39 void ActionDrawCircle::reset()
  40 {
  41         data = RS_CircleData(Vector(false), 0.0);
  42 }
  43
  44 void ActionDrawCircle::init(int status)
  45 {
  46         ActionInterface::init(status);
  47
  48         reset();
  49 }
  50
  51 void ActionDrawCircle::trigger()
  52 {
  53         ActionInterface::trigger();
  54
  55         RS_Circle * circle = new RS_Circle(container, data);
  56         circle->setLayerToActive();
  57         circle->setPenToActive();
  58         container->addEntity(circle);
  59
  60         // upd. undo list:
  61         if (document != NULL)
  62         {
  63                 document->startUndoCycle();
  64                 document->addUndoable(circle);
  65                 document->endUndoCycle();
  66         }
  67
  68         deleteSnapper();
  69         Vector rz = graphicView->getRelativeZero();
  70         graphicView->moveRelativeZero(Vector(0.0, 0.0));
  71         graphicView->drawEntity(circle);
  72         graphicView->moveRelativeZero(circle->getCenter());
  73         drawSnapper();
  74
  75         setStatus(SetCenter);
  76         reset();
  77
  78         RS_DEBUG->print("ActionDrawCircle::trigger(): circle added: %d", circle->getId());
  79 }
  80
  81 void ActionDrawCircle::mouseMoveEvent(QMouseEvent * e)
  82 {
  83         RS_DEBUG->print("ActionDrawCircle::mouseMoveEvent begin");
  84
  85         Vector mouse = snapPoint(e);
  86
  87         switch (getStatus())
  88         {
  89         case SetCenter:
  90                 data.center = mouse;
  91                 break;
  92
  93         case SetRadius:
  94
  95                 if (data.center.valid)
  96                 {
  97                         data.radius = data.center.distanceTo(mouse);
  98                         deletePreview();
  99                         clearPreview();
 100 //                      preview->addEntity(new RS_Circle(preview, data));
 101                         drawPreview();
 102                 }
 103                 break;
 104         }
 105
 106         RS_DEBUG->print("ActionDrawCircle::mouseMoveEvent end");
 107 }
 108
 109 void ActionDrawCircle::mouseReleaseEvent(QMouseEvent * e)
 110 {
 111         if (e->button() == Qt::LeftButton)
 112         {
 113                 Vector ce(snapPoint(e));
 114                 coordinateEvent(&ce);
 115         }
 116         else if (e->button() == Qt::RightButton)
 117         {
 118                 deletePreview();
 119                 deleteSnapper();
 120                 init(getStatus() - 1);
 121         }
 122 }
 123
 124 void ActionDrawCircle::coordinateEvent(Vector * e)
 125 {
 126         if (!e)
 127                 return;
 128
 129         Vector mouse = *e;
 130
 131         switch (getStatus())
 132         {
 133         case SetCenter:
 134                 data.center = mouse;
 135                 graphicView->moveRelativeZero(mouse);
 136                 setStatus(SetRadius);
 137                 break;
 138
 139         case SetRadius:
 140
 141                 if (data.center.valid)
 142                 {
 143                         graphicView->moveRelativeZero(mouse);
 144                         data.radius = data.center.distanceTo(mouse);
 145                         trigger();
 146                 }
 147                 //setStatus(SetCenter);
 148                 break;
 149
 150         default:
 151                 break;
 152         }
 153 }
 154
 155 void ActionDrawCircle::commandEvent(RS_CommandEvent * e)
 156 {
 157         QString c = e->getCommand().toLower();
 158
 159         if (checkCommand("help", c))
 160         {
 161                 if (RS_DIALOGFACTORY)
 162                         RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 163                                 + getAvailableCommands().join(", "));
 164                 return;
 165         }
 166
 167         switch (getStatus())
 168         {
 169         case SetRadius:
 170         {
 171                 bool ok;
 172                 double r = RS_Math::eval(c, &ok);
 173
 174                 if (ok)
 175                         data.radius = r;
 176                 else if (RS_DIALOGFACTORY)
 177                         RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
 178
 179                 trigger();
 180                 //setStatus(SetCenter);
 181         }
 182                 break;
 183
 184         default:
 185                 break;
 186         }
 187 }
 188
 189 QStringList ActionDrawCircle::getAvailableCommands()
 190 {
 191         QStringList cmd;
 192         return cmd;
 193 }
 194
 195 void ActionDrawCircle::updateMouseButtonHints()
 196 {
 197         switch (getStatus())
 198         {
 199         case SetCenter:
 200                 if (RS_DIALOGFACTORY)
 201                         RS_DIALOGFACTORY->updateMouseWidget(tr("Specify center"), tr("Cancel"));
 202                 break;
 203
 204         case SetRadius:
 205                 if (RS_DIALOGFACTORY)
 206                         RS_DIALOGFACTORY->updateMouseWidget(tr("Specify radius"), tr("Back"));
 207                 break;
 208
 209         default:
 210                 if (RS_DIALOGFACTORY)
 211                         RS_DIALOGFACTORY->updateMouseWidget("", "");
 212                 break;
 213         }
 214 }
 215
 216 void ActionDrawCircle::showOptions()
 217 {
 218         ActionInterface::showOptions();
 219 }
 220
 221 void ActionDrawCircle::hideOptions()
 222 {
 223         ActionInterface::hideOptions();
 224 }
 225
 226 void ActionDrawCircle::updateMouseCursor()
 227 {
 228         graphicView->setMouseCursor(RS2::CadCursor);
 229 }
 230
 231 void ActionDrawCircle::updateToolBar()
 232 {
 233         if (!isFinished())
 234         {
 235                 if (RS_DIALOGFACTORY)
 236                         RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 237         }
 238         else if (RS_DIALOGFACTORY)
 239                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 240
 241 }