Shamusworld >> Repos - architektonas/blob - src/actions/rs_actiondrawcircle2p.cpp

   1 // rs_actiondrawcircle2p.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 "rs_actiondrawcircle2p.h"
  16
  17 #include "rs_commandevent.h"
  18 #include "rs_dialogfactory.h"
  19 #include "graphicview.h"
  20 #include "rs_preview.h"
  21
  22 RS_ActionDrawCircle2P::RS_ActionDrawCircle2P(RS_EntityContainer & container, GraphicView & graphicView): RS_PreviewActionInterface("Draw circles",
  23                 container, graphicView)
  24 {
  25         reset();
  26 }
  27
  28 RS_ActionDrawCircle2P::~RS_ActionDrawCircle2P()
  29 {
  30 }
  31
  32 void RS_ActionDrawCircle2P::reset()
  33 {
  34         data.reset();
  35         point1 = Vector(false);
  36         point2 = Vector(false);
  37 }
  38
  39 void RS_ActionDrawCircle2P::init(int status)
  40 {
  41         RS_PreviewActionInterface::init(status);
  42
  43         reset();
  44 }
  45
  46 void RS_ActionDrawCircle2P::trigger()
  47 {
  48         RS_PreviewActionInterface::trigger();
  49
  50         preparePreview();
  51
  52         if (data.isValid())
  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(rz);
  72                 drawSnapper();
  73
  74                 setStatus(SetPoint1);
  75                 reset();
  76         }
  77         else    if (RS_DIALOGFACTORY != NULL)
  78                 RS_DIALOGFACTORY->requestWarningDialog(tr("Invalid Circle data."));
  79 }
  80
  81 void RS_ActionDrawCircle2P::preparePreview()
  82 {
  83         data.reset();
  84
  85         if (point1.valid && point2.valid)
  86         {
  87                 RS_Circle circle(NULL, data);
  88                 bool suc = circle.createFrom2P(point1, point2);
  89
  90                 if (suc)
  91                         data = circle.getData();
  92         }
  93 }
  94
  95 void RS_ActionDrawCircle2P::mouseMoveEvent(QMouseEvent * e)
  96 {
  97         Vector mouse = snapPoint(e);
  98
  99         switch (getStatus())
 100         {
 101         case SetPoint1:
 102                 point1 = mouse;
 103                 break;
 104
 105         case SetPoint2:
 106                 point2 = mouse;
 107                 preparePreview();
 108
 109                 if (data.isValid())
 110                 {
 111                         RS_Circle * circle = new RS_Circle(preview, data);
 112                         deletePreview();
 113                         clearPreview();
 114                         preview->addEntity(circle);
 115                         drawPreview();
 116                 }
 117                 break;
 118
 119         default:
 120                 break;
 121         }
 122 }
 123
 124 void RS_ActionDrawCircle2P::mouseReleaseEvent(QMouseEvent * e)
 125 {
 126 //      if (RS2::qtToRsButtonState(e->button())==RS2::LeftButton)
 127         if (e->button() == Qt::LeftButton)
 128         {
 129                 Vector ce(snapPoint(e));
 130                 coordinateEvent(&ce);
 131         }
 132 //      else if (RS2::qtToRsButtonState(e->button())==RS2::RightButton)
 133         else if (e->button() == Qt::RightButton)
 134         {
 135                 deletePreview();
 136                 deleteSnapper();
 137                 init(getStatus() - 1);
 138         }
 139 }
 140
 141 void RS_ActionDrawCircle2P::coordinateEvent(Vector * e)
 142 {
 143         if (e == NULL)
 144                 return;
 145
 146         Vector mouse = *e;
 147
 148         switch (getStatus())
 149         {
 150         case SetPoint1:
 151                 point1 = mouse;
 152                 graphicView->moveRelativeZero(mouse);
 153                 setStatus(SetPoint2);
 154                 break;
 155
 156         case SetPoint2:
 157                 point2 = mouse;
 158                 graphicView->moveRelativeZero(mouse);
 159                 trigger();
 160                 break;
 161
 162         default:
 163                 break;
 164         }
 165 }
 166
 167 void RS_ActionDrawCircle2P::commandEvent(RS_CommandEvent * e)
 168 {
 169         QString c = e->getCommand().toLower();
 170
 171         if (checkCommand("help", c))
 172         {
 173                 if (RS_DIALOGFACTORY != NULL)
 174                         RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 175                                 + getAvailableCommands().join(", "));
 176                 return;
 177         }
 178 }
 179
 180 QStringList RS_ActionDrawCircle2P::getAvailableCommands()
 181 {
 182         QStringList cmd;
 183         return cmd;
 184 }
 185
 186 void RS_ActionDrawCircle2P::updateMouseButtonHints()
 187 {
 188         if (RS_DIALOGFACTORY != NULL)
 189         {
 190                 switch (getStatus())
 191                 {
 192                 case SetPoint1:
 193                         RS_DIALOGFACTORY->updateMouseWidget(
 194                                 tr("Specify first point"), tr("Cancel"));
 195                         break;
 196
 197                 case SetPoint2:
 198                         RS_DIALOGFACTORY->updateMouseWidget(
 199                                 tr("Specify second point"), tr("Back"));
 200                         break;
 201
 202                 default:
 203                         RS_DIALOGFACTORY->updateMouseWidget("", "");
 204                         break;
 205                 }
 206         }
 207 }
 208
 209 void RS_ActionDrawCircle2P::updateMouseCursor()
 210 {
 211         graphicView->setMouseCursor(RS2::CadCursor);
 212 }
 213
 214 void RS_ActionDrawCircle2P::updateToolBar()
 215 {
 216         if (RS_DIALOGFACTORY != NULL)
 217         {
 218                 if (!isFinished())
 219                         RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 220                 else
 221                         RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 222         }
 223 }
 224
 225 // EOF
 226