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