Shamusworld >> Repos - architektonas/blob - src/actions/rs_actiondrawcircle3p.cpp

   1 // rs_actiondrawcircle3p.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_actiondrawcircle3p.h"
  16
  17 #include "rs_dialogfactory.h"
  18 #include "rs_graphicview.h"
  19 #include "rs_preview.h"
  20
  21 RS_ActionDrawCircle3P::RS_ActionDrawCircle3P(RS_EntityContainer & container, RS_GraphicView & graphicView): RS_PreviewActionInterface("Draw circles",
  22                 container, graphicView)
  23 {
  24         reset();
  25 }
  26
  27 RS_ActionDrawCircle3P::~RS_ActionDrawCircle3P()
  28 {
  29 }
  30
  31 void RS_ActionDrawCircle3P::reset()
  32 {
  33         data.reset();
  34         point1 = Vector(false);
  35         point2 = Vector(false);
  36         point3 = Vector(false);
  37 }
  38
  39 void RS_ActionDrawCircle3P::init(int status)
  40 {
  41         RS_PreviewActionInterface::init(status);
  42
  43         reset();
  44 }
  45
  46 void RS_ActionDrawCircle3P::trigger()
  47 {
  48         RS_PreviewActionInterface::trigger();
  49
  50         preparePreview();
  51
  52         if (data.isValid())
  53         {
  54                 RS_Circle * circle = new RS_Circle(container,
  55                                 data);
  56                 circle->setLayerToActive();
  57                 circle->setPenToActive();
  58                 container->addEntity(circle);
  59
  60                 // upd. undo list:
  61                 if (document != NULL)
  62                 {
  63                         document->startUndoCycle();
  64                         document->addUndoable(circle);
  65                         document->endUndoCycle();
  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
  78                 RS_DIALOGFACTORY->requestWarningDialog(tr("Invalid circle data."));
  79 }
  80
  81 void RS_ActionDrawCircle3P::preparePreview()
  82 {
  83         data.reset();
  84
  85         if (point1.valid && point2.valid && point3.valid)
  86         {
  87                 RS_Circle circle(NULL, data);
  88                 bool suc = circle.createFrom3P(point1, point2, point3);
  89
  90                 if (suc)
  91                         data = circle.getData();
  92         }
  93 }
  94
  95 void RS_ActionDrawCircle3P::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                 break;
 108
 109         case SetPoint3:
 110                 point3 = mouse;
 111                 preparePreview();
 112
 113                 if (data.isValid())
 114                 {
 115                         RS_Circle * circle = new RS_Circle(preview, data);
 116
 117                         deletePreview();
 118                         clearPreview();
 119                         preview->addEntity(circle);
 120                         drawPreview();
 121                 }
 122                 break;
 123         }
 124 }
 125
 126 void RS_ActionDrawCircle3P::mouseReleaseEvent(QMouseEvent * e)
 127 {
 128 //      if (RS2::qtToRsButtonState(e->button())==RS2::LeftButton)
 129         if (e->button() == Qt::LeftButton)
 130         {
 131                 Vector ce(snapPoint(e));
 132                 coordinateEvent(&ce);
 133         }
 134 //      else if (RS2::qtToRsButtonState(e->button())==RS2::RightButton)
 135         else if (e->button() == Qt::RightButton)
 136         {
 137                 deletePreview();
 138                 deleteSnapper();
 139                 init(getStatus() - 1);
 140         }
 141 }
 142
 143 void RS_ActionDrawCircle3P::coordinateEvent(Vector * e)
 144 {
 145         if (e == NULL)
 146                 return;
 147
 148         Vector mouse = *e;
 149
 150         switch (getStatus())
 151         {
 152         case SetPoint1:
 153                 point1 = mouse;
 154                 graphicView->moveRelativeZero(mouse);
 155                 setStatus(SetPoint2);
 156                 break;
 157
 158         case SetPoint2:
 159                 point2 = mouse;
 160                 graphicView->moveRelativeZero(mouse);
 161                 setStatus(SetPoint3);
 162                 break;
 163
 164         case SetPoint3:
 165                 point3 = mouse;
 166                 trigger();
 167                 break;
 168
 169         default:
 170                 break;
 171         }
 172 }
 173
 174 void RS_ActionDrawCircle3P::commandEvent(RS_CommandEvent * e)
 175 {
 176         QString c = e->getCommand().toLower();
 177
 178         if (checkCommand("help", c))
 179         {
 180                 RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 181                         + getAvailableCommands().join(", "));
 182                 return;
 183         }
 184 }
 185
 186 QStringList RS_ActionDrawCircle3P::getAvailableCommands()
 187 {
 188         QStringList cmd;
 189         return cmd;
 190 }
 191
 192 void RS_ActionDrawCircle3P::updateMouseButtonHints()
 193 {
 194         switch (getStatus())
 195         {
 196         case SetPoint1:
 197                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first point"),
 198                         tr("Cancel"));
 199                 break;
 200
 201         case SetPoint2:
 202                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second point"),
 203                         tr("Back"));
 204                 break;
 205
 206         case SetPoint3:
 207                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify third point"),
 208                         tr("Back"));
 209                 break;
 210
 211         default:
 212                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 213                 break;
 214         }
 215 }
 216
 217 void RS_ActionDrawCircle3P::updateMouseCursor()
 218 {
 219         graphicView->setMouseCursor(RS2::CadCursor);
 220 }
 221
 222 void RS_ActionDrawCircle3P::updateToolBar()
 223 {
 224         if (!isFinished())
 225                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 226         else
 227                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 228 }
 229
 230 // EOF
 231