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

   1 // actiondrawcirclecr.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 "actiondrawcirclecr.h"
  18
  19 #include "rs_commandevent.h"
  20 #include "rs_dialogfactory.h"
  21 #include "graphicview.h"
  22 #include "rs_preview.h"
  23
  24 /**
  25  * Constructor.
  26  */
  27 ActionDrawCircleCR::ActionDrawCircleCR(RS_EntityContainer & container, GraphicView & graphicView): ActionInterface("Draw circles CR",
  28                 container, graphicView)
  29 {
  30         reset();
  31 }
  32
  33 ActionDrawCircleCR::~ActionDrawCircleCR()
  34 {
  35 }
  36
  37 /*virtual*/ RS2::ActionType ActionDrawCircleCR::rtti()
  38 {
  39         return RS2::ActionDrawCircleCR;
  40 }
  41
  42 void ActionDrawCircleCR::reset()
  43 {
  44         data = RS_CircleData(Vector(false), 0.0);
  45 }
  46
  47 void ActionDrawCircleCR::init(int status)
  48 {
  49         ActionInterface::init(status);
  50 }
  51
  52 void ActionDrawCircleCR::trigger()
  53 {
  54         ActionInterface::trigger();
  55
  56         RS_Circle * circle = new RS_Circle(container, data);
  57         circle->setLayerToActive();
  58         circle->setPenToActive();
  59         container->addEntity(circle);
  60
  61         // upd. undo list:
  62         if (document != NULL)
  63         {
  64                 document->startUndoCycle();
  65                 document->addUndoable(circle);
  66                 document->endUndoCycle();
  67         }
  68
  69         deleteSnapper();
  70         Vector rz = graphicView->getRelativeZero();
  71         graphicView->moveRelativeZero(Vector(0.0, 0.0));
  72         graphicView->drawEntity(circle);
  73         graphicView->moveRelativeZero(circle->getCenter());
  74         drawSnapper();
  75
  76         setStatus(SetCenter);
  77
  78         RS_DEBUG->print("ActionDrawCircleCR::trigger(): circle added: %d", circle->getId());
  79 }
  80
  81 void ActionDrawCircleCR::mouseMoveEvent(QMouseEvent * e)
  82 {
  83         RS_DEBUG->print("ActionDrawCircleCR::mouseMoveEvent begin");
  84         Vector mouse = snapPoint(e);
  85
  86         switch (getStatus())
  87         {
  88         case SetCenter:
  89                 data.center = mouse;
  90                 deletePreview();
  91                 clearPreview();
  92 //              preview->addEntity(new RS_Circle(preview, data));
  93                 drawPreview();
  94                 break;
  95         }
  96
  97         RS_DEBUG->print("ActionDrawCircleCR::mouseMoveEvent end");
  98 }
  99
 100 void ActionDrawCircleCR::mouseReleaseEvent(QMouseEvent * e)
 101 {
 102         if (e->button() == Qt::LeftButton)
 103         {
 104                 Vector ce(snapPoint(e));
 105                 coordinateEvent(&ce);
 106         }
 107         else if (e->button() == Qt::RightButton)
 108         {
 109                 deletePreview();
 110                 deleteSnapper();
 111                 init(getStatus() - 1);
 112         }
 113 }
 114
 115 void ActionDrawCircleCR::coordinateEvent(Vector * e)
 116 {
 117         if (e == NULL)
 118                 return;
 119
 120         Vector mouse = *e;
 121
 122         switch (getStatus())
 123         {
 124         case SetCenter:
 125                 data.center = mouse;
 126                 trigger();
 127                 break;
 128
 129         default:
 130                 break;
 131         }
 132 }
 133
 134 void ActionDrawCircleCR::commandEvent(RS_CommandEvent * e)
 135 {
 136         QString c = e->getCommand().toLower();
 137
 138         if (checkCommand("help", c))
 139         {
 140                 RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 141                         + getAvailableCommands().join(", "));
 142                 return;
 143         }
 144
 145         switch (getStatus())
 146         {
 147         case SetCenter:
 148
 149                 if (checkCommand("radius", c))
 150                 {
 151                         deleteSnapper();
 152                         deletePreview();
 153                         clearPreview();
 154                         setStatus(SetRadius);
 155                 }
 156                 break;
 157
 158         case SetRadius:
 159         {
 160                 bool ok;
 161                 double r = RS_Math::eval(c, &ok);
 162
 163                 if (ok == true)
 164                         data.radius = r;
 165                 else
 166                         RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
 167
 168                 RS_DIALOGFACTORY->requestOptions(this, true, true);
 169                 setStatus(SetCenter);
 170         }
 171         break;
 172
 173         default:
 174                 break;
 175         }
 176 }
 177
 178 QStringList ActionDrawCircleCR::getAvailableCommands()
 179 {
 180         QStringList cmd;
 181
 182         switch (getStatus())
 183         {
 184         case SetCenter:
 185                 cmd += command("radius");
 186                 break;
 187
 188         default:
 189                 break;
 190         }
 191
 192         return cmd;
 193 }
 194
 195 void ActionDrawCircleCR::updateMouseButtonHints()
 196 {
 197         switch (getStatus())
 198         {
 199         case SetCenter:
 200                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify circle center"), tr("Cancel"));
 201                 break;
 202
 203         case SetRadius:
 204                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify circle radius"), tr("Back"));
 205                 break;
 206
 207         default:
 208                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 209                 break;
 210         }
 211 }
 212
 213 void ActionDrawCircleCR::showOptions()
 214 {
 215         ActionInterface::showOptions();
 216
 217         RS_DIALOGFACTORY->requestOptions(this, true);
 218 }
 219
 220 void ActionDrawCircleCR::hideOptions()
 221 {
 222         ActionInterface::hideOptions();
 223
 224         RS_DIALOGFACTORY->requestOptions(this, false);
 225 }
 226
 227 void ActionDrawCircleCR::updateMouseCursor()
 228 {
 229         graphicView->setMouseCursor(RS2::CadCursor);
 230 }
 231
 232 void ActionDrawCircleCR::updateToolBar()
 233 {
 234         if (!isFinished())
 235                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 236         else
 237                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 238 }
 239
 240 double ActionDrawCircleCR::getRadius()
 241 {
 242         return data.radius;
 243 }
 244
 245 void ActionDrawCircleCR::setRadius(double r)
 246 {
 247         data.radius = r;
 248 }