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_dialogfactory.h"
  18 #include "rs_graphicview.h"
  19 #include "rs_preview.h"
  20
  21 RS_ActionDrawCircle2P::RS_ActionDrawCircle2P(RS_EntityContainer & container, RS_GraphicView & graphicView): RS_PreviewActionInterface("Draw circles",
  22                 container, graphicView)
  23 {
  24         reset();
  25 }
  26
  27 RS_ActionDrawCircle2P::~RS_ActionDrawCircle2P()
  28 {
  29 }
  30
  31 void RS_ActionDrawCircle2P::reset()
  32 {
  33         data.reset();
  34         point1 = Vector(false);
  35         point2 = Vector(false);
  36 }
  37
  38 void RS_ActionDrawCircle2P::init(int status)
  39 {
  40         RS_PreviewActionInterface::init(status);
  41
  42         reset();
  43 }
  44
  45 void RS_ActionDrawCircle2P::trigger()
  46 {
  47         RS_PreviewActionInterface::trigger();
  48
  49         preparePreview();
  50
  51         if (data.isValid())
  52         {
  53                 RS_Circle * circle = new RS_Circle(container, data);
  54                 circle->setLayerToActive();
  55                 circle->setPenToActive();
  56                 container->addEntity(circle);
  57
  58                 // upd. undo list:
  59                 if (document != NULL)
  60                 {
  61                         document->startUndoCycle();
  62                         document->addUndoable(circle);
  63                         document->endUndoCycle();
  64                 }
  65
  66                 deleteSnapper();
  67                 Vector rz = graphicView->getRelativeZero();
  68                 graphicView->moveRelativeZero(Vector(0.0, 0.0));
  69                 graphicView->drawEntity(circle);
  70                 graphicView->moveRelativeZero(rz);
  71                 drawSnapper();
  72
  73                 setStatus(SetPoint1);
  74                 reset();
  75         }
  76         else    if (RS_DIALOGFACTORY != NULL)
  77                 RS_DIALOGFACTORY->requestWarningDialog(tr("Invalid Circle data."));
  78 }
  79
  80 void RS_ActionDrawCircle2P::preparePreview()
  81 {
  82         data.reset();
  83
  84         if (point1.valid && point2.valid)
  85         {
  86                 RS_Circle circle(NULL, data);
  87                 bool suc = circle.createFrom2P(point1, point2);
  88
  89                 if (suc)
  90                         data = circle.getData();
  91         }
  92 }
  93
  94 void RS_ActionDrawCircle2P::mouseMoveEvent(QMouseEvent * e)
  95 {
  96         Vector mouse = snapPoint(e);
  97
  98         switch (getStatus())
  99         {
 100         case SetPoint1:
 101                 point1 = mouse;
 102                 break;
 103
 104         case SetPoint2:
 105                 point2 = mouse;
 106                 preparePreview();
 107
 108                 if (data.isValid())
 109                 {
 110                         RS_Circle * circle = new RS_Circle(preview, data);
 111                         deletePreview();
 112                         clearPreview();
 113                         preview->addEntity(circle);
 114                         drawPreview();
 115                 }
 116                 break;
 117
 118         default:
 119                 break;
 120         }
 121 }
 122
 123 void RS_ActionDrawCircle2P::mouseReleaseEvent(QMouseEvent * e)
 124 {
 125 //      if (RS2::qtToRsButtonState(e->button())==RS2::LeftButton)
 126         if (e->button() == Qt::LeftButton)
 127         {
 128                 Vector ce(snapPoint(e));
 129                 coordinateEvent(&ce);
 130         }
 131 //      else if (RS2::qtToRsButtonState(e->button())==RS2::RightButton)
 132         else if (e->button() == Qt::RightButton)
 133         {
 134                 deletePreview();
 135                 deleteSnapper();
 136                 init(getStatus() - 1);
 137         }
 138 }
 139
 140 void RS_ActionDrawCircle2P::coordinateEvent(Vector * e)
 141 {
 142         if (e == NULL)
 143                 return;
 144
 145         Vector mouse = *e;
 146
 147         switch (getStatus())
 148         {
 149         case SetPoint1:
 150                 point1 = mouse;
 151                 graphicView->moveRelativeZero(mouse);
 152                 setStatus(SetPoint2);
 153                 break;
 154
 155         case SetPoint2:
 156                 point2 = mouse;
 157                 graphicView->moveRelativeZero(mouse);
 158                 trigger();
 159                 break;
 160
 161         default:
 162                 break;
 163         }
 164 }
 165
 166 void RS_ActionDrawCircle2P::commandEvent(RS_CommandEvent * e)
 167 {
 168         QString c = e->getCommand().toLower();
 169
 170         if (checkCommand("help", c))
 171         {
 172                 if (RS_DIALOGFACTORY != NULL)
 173                         RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 174                                 + getAvailableCommands().join(", "));
 175                 return;
 176         }
 177 }
 178
 179 QStringList RS_ActionDrawCircle2P::getAvailableCommands()
 180 {
 181         QStringList cmd;
 182         return cmd;
 183 }
 184
 185 void RS_ActionDrawCircle2P::updateMouseButtonHints()
 186 {
 187         if (RS_DIALOGFACTORY != NULL)
 188         {
 189                 switch (getStatus())
 190                 {
 191                 case SetPoint1:
 192                         RS_DIALOGFACTORY->updateMouseWidget(
 193                                 tr("Specify first point"), tr("Cancel"));
 194                         break;
 195
 196                 case SetPoint2:
 197                         RS_DIALOGFACTORY->updateMouseWidget(
 198                                 tr("Specify second point"), tr("Back"));
 199                         break;
 200
 201                 default:
 202                         RS_DIALOGFACTORY->updateMouseWidget("", "");
 203                         break;
 204                 }
 205         }
 206 }
 207
 208 void RS_ActionDrawCircle2P::updateMouseCursor()
 209 {
 210         graphicView->setMouseCursor(RS2::CadCursor);
 211 }
 212
 213 void RS_ActionDrawCircle2P::updateToolBar()
 214 {
 215         if (RS_DIALOGFACTORY != NULL)
 216         {
 217                 if (!isFinished())
 218                         RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 219                 else
 220                         RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 221         }
 222 }
 223
 224 // EOF
 225