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 "commandevent.h"
  20 #include "debug.h"
  21 #include "dialogfactory.h"
  22 #include "graphicview.h"
  23 #include "preview.h"
  24
  25 /**
  26  * Constructor.
  27  */
  28 ActionDrawCircleCR::ActionDrawCircleCR(RS_EntityContainer & container, GraphicView & graphicView): ActionInterface("Draw circles CR",
  29                 container, graphicView)
  30 {
  31         reset();
  32 }
  33
  34 ActionDrawCircleCR::~ActionDrawCircleCR()
  35 {
  36 }
  37
  38 /*virtual*/ RS2::ActionType ActionDrawCircleCR::rtti()
  39 {
  40         return RS2::ActionDrawCircleCR;
  41 }
  42
  43 void ActionDrawCircleCR::reset()
  44 {
  45         data = RS_CircleData(Vector(false), 0.0);
  46 }
  47
  48 void ActionDrawCircleCR::init(int status)
  49 {
  50         ActionInterface::init(status);
  51 }
  52
  53 void ActionDrawCircleCR::trigger()
  54 {
  55         ActionInterface::trigger();
  56
  57         RS_Circle * circle = new RS_Circle(container, data);
  58         circle->setLayerToActive();
  59         circle->setPenToActive();
  60         container->addEntity(circle);
  61
  62         // upd. undo list:
  63         if (document != NULL)
  64         {
  65                 document->startUndoCycle();
  66                 document->addUndoable(circle);
  67                 document->endUndoCycle();
  68         }
  69
  70         deleteSnapper();
  71         Vector rz = graphicView->getRelativeZero();
  72         graphicView->moveRelativeZero(Vector(0.0, 0.0));
  73         graphicView->drawEntity(circle);
  74         graphicView->moveRelativeZero(circle->getCenter());
  75         drawSnapper();
  76
  77         setStatus(SetCenter);
  78
  79         RS_DEBUG->print("ActionDrawCircleCR::trigger(): circle added: %d", circle->getId());
  80 }
  81
  82 void ActionDrawCircleCR::mouseMoveEvent(QMouseEvent * e)
  83 {
  84         RS_DEBUG->print("ActionDrawCircleCR::mouseMoveEvent begin");
  85         Vector mouse = snapPoint(e);
  86
  87         switch (getStatus())
  88         {
  89         case SetCenter:
  90                 data.center = mouse;
  91                 deletePreview();
  92                 clearPreview();
  93 //              preview->addEntity(new RS_Circle(preview, data));
  94                 drawPreview();
  95                 break;
  96         }
  97
  98         RS_DEBUG->print("ActionDrawCircleCR::mouseMoveEvent end");
  99 }
 100
 101 void ActionDrawCircleCR::mouseReleaseEvent(QMouseEvent * e)
 102 {
 103         if (e->button() == Qt::LeftButton)
 104         {
 105                 Vector ce(snapPoint(e));
 106                 coordinateEvent(&ce);
 107         }
 108         else if (e->button() == Qt::RightButton)
 109         {
 110                 deletePreview();
 111                 deleteSnapper();
 112                 init(getStatus() - 1);
 113         }
 114 }
 115
 116 void ActionDrawCircleCR::coordinateEvent(Vector * e)
 117 {
 118         if (e == NULL)
 119                 return;
 120
 121         Vector mouse = *e;
 122
 123         switch (getStatus())
 124         {
 125         case SetCenter:
 126                 data.center = mouse;
 127                 trigger();
 128                 break;
 129
 130         default:
 131                 break;
 132         }
 133 }
 134
 135 void ActionDrawCircleCR::commandEvent(RS_CommandEvent * e)
 136 {
 137         QString c = e->getCommand().toLower();
 138
 139         if (checkCommand("help", c))
 140         {
 141                 RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 142                         + getAvailableCommands().join(", "));
 143                 return;
 144         }
 145
 146         switch (getStatus())
 147         {
 148         case SetCenter:
 149
 150                 if (checkCommand("radius", c))
 151                 {
 152                         deleteSnapper();
 153                         deletePreview();
 154                         clearPreview();
 155                         setStatus(SetRadius);
 156                 }
 157                 break;
 158
 159         case SetRadius:
 160         {
 161                 bool ok;
 162                 double r = RS_Math::eval(c, &ok);
 163
 164                 if (ok == true)
 165                         data.radius = r;
 166                 else
 167                         RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
 168
 169                 RS_DIALOGFACTORY->requestOptions(this, true, true);
 170                 setStatus(SetCenter);
 171         }
 172         break;
 173
 174         default:
 175                 break;
 176         }
 177 }
 178
 179 QStringList ActionDrawCircleCR::getAvailableCommands()
 180 {
 181         QStringList cmd;
 182
 183         switch (getStatus())
 184         {
 185         case SetCenter:
 186                 cmd += command("radius");
 187                 break;
 188
 189         default:
 190                 break;
 191         }
 192
 193         return cmd;
 194 }
 195
 196 void ActionDrawCircleCR::updateMouseButtonHints()
 197 {
 198         switch (getStatus())
 199         {
 200         case SetCenter:
 201                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify circle center"), tr("Cancel"));
 202                 break;
 203
 204         case SetRadius:
 205                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify circle radius"), tr("Back"));
 206                 break;
 207
 208         default:
 209                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 210                 break;
 211         }
 212 }
 213
 214 void ActionDrawCircleCR::showOptions()
 215 {
 216         ActionInterface::showOptions();
 217
 218         RS_DIALOGFACTORY->requestOptions(this, true);
 219 }
 220
 221 void ActionDrawCircleCR::hideOptions()
 222 {
 223         ActionInterface::hideOptions();
 224
 225         RS_DIALOGFACTORY->requestOptions(this, false);
 226 }
 227
 228 void ActionDrawCircleCR::updateMouseCursor()
 229 {
 230         graphicView->setMouseCursor(RS2::CadCursor);
 231 }
 232
 233 void ActionDrawCircleCR::updateToolBar()
 234 {
 235         if (!isFinished())
 236                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 237         else
 238                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 239 }
 240
 241 double ActionDrawCircleCR::getRadius()
 242 {
 243         return data.radius;
 244 }
 245
 246 void ActionDrawCircleCR::setRadius(double r)
 247 {
 248         data.radius = r;
 249 }