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_commandevent.h"
  18 #include "rs_dialogfactory.h"
  19 #include "graphicview.h"
  20 #include "rs_preview.h"
  21
  22 RS_ActionDrawCircle3P::RS_ActionDrawCircle3P(RS_EntityContainer & container, GraphicView & graphicView): RS_PreviewActionInterface("Draw circles",
  23                 container, graphicView)
  24 {
  25         reset();
  26 }
  27
  28 RS_ActionDrawCircle3P::~RS_ActionDrawCircle3P()
  29 {
  30 }
  31
  32 void RS_ActionDrawCircle3P::reset()
  33 {
  34         data.reset();
  35         point1 = Vector(false);
  36         point2 = Vector(false);
  37         point3 = Vector(false);
  38 }
  39
  40 void RS_ActionDrawCircle3P::init(int status)
  41 {
  42         RS_PreviewActionInterface::init(status);
  43
  44         reset();
  45 }
  46
  47 void RS_ActionDrawCircle3P::trigger()
  48 {
  49         RS_PreviewActionInterface::trigger();
  50
  51         preparePreview();
  52
  53         if (data.isValid())
  54         {
  55                 RS_Circle * circle = new RS_Circle(container,
  56                                 data);
  57                 circle->setLayerToActive();
  58                 circle->setPenToActive();
  59                 container->addEntity(circle);
  60
  61                 // upd. undo list:
  62                 if (document != NULL)
  63                 {
  64                         document->startUndoCycle();
  65                         document->addUndoable(circle);
  66                         document->endUndoCycle();
  67                 }
  68                 deleteSnapper();
  69                 Vector rz = graphicView->getRelativeZero();
  70                 graphicView->moveRelativeZero(Vector(0.0, 0.0));
  71                 graphicView->drawEntity(circle);
  72                 graphicView->moveRelativeZero(rz);
  73                 drawSnapper();
  74
  75                 setStatus(SetPoint1);
  76                 reset();
  77         }
  78         else
  79                 RS_DIALOGFACTORY->requestWarningDialog(tr("Invalid circle data."));
  80 }
  81
  82 void RS_ActionDrawCircle3P::preparePreview()
  83 {
  84         data.reset();
  85
  86         if (point1.valid && point2.valid && point3.valid)
  87         {
  88                 RS_Circle circle(NULL, data);
  89                 bool suc = circle.createFrom3P(point1, point2, point3);
  90
  91                 if (suc)
  92                         data = circle.getData();
  93         }
  94 }
  95
  96 void RS_ActionDrawCircle3P::mouseMoveEvent(QMouseEvent * e)
  97 {
  98         Vector mouse = snapPoint(e);
  99
 100         switch (getStatus())
 101         {
 102         case SetPoint1:
 103                 point1 = mouse;
 104                 break;
 105
 106         case SetPoint2:
 107                 point2 = mouse;
 108                 break;
 109
 110         case SetPoint3:
 111                 point3 = mouse;
 112                 preparePreview();
 113
 114                 if (data.isValid())
 115                 {
 116                         RS_Circle * circle = new RS_Circle(preview, data);
 117
 118                         deletePreview();
 119                         clearPreview();
 120                         preview->addEntity(circle);
 121                         drawPreview();
 122                 }
 123                 break;
 124         }
 125 }
 126
 127 void RS_ActionDrawCircle3P::mouseReleaseEvent(QMouseEvent * e)
 128 {
 129 //      if (RS2::qtToRsButtonState(e->button())==RS2::LeftButton)
 130         if (e->button() == Qt::LeftButton)
 131         {
 132                 Vector ce(snapPoint(e));
 133                 coordinateEvent(&ce);
 134         }
 135 //      else if (RS2::qtToRsButtonState(e->button())==RS2::RightButton)
 136         else if (e->button() == Qt::RightButton)
 137         {
 138                 deletePreview();
 139                 deleteSnapper();
 140                 init(getStatus() - 1);
 141         }
 142 }
 143
 144 void RS_ActionDrawCircle3P::coordinateEvent(Vector * e)
 145 {
 146         if (e == NULL)
 147                 return;
 148
 149         Vector mouse = *e;
 150
 151         switch (getStatus())
 152         {
 153         case SetPoint1:
 154                 point1 = mouse;
 155                 graphicView->moveRelativeZero(mouse);
 156                 setStatus(SetPoint2);
 157                 break;
 158
 159         case SetPoint2:
 160                 point2 = mouse;
 161                 graphicView->moveRelativeZero(mouse);
 162                 setStatus(SetPoint3);
 163                 break;
 164
 165         case SetPoint3:
 166                 point3 = mouse;
 167                 trigger();
 168                 break;
 169
 170         default:
 171                 break;
 172         }
 173 }
 174
 175 void RS_ActionDrawCircle3P::commandEvent(RS_CommandEvent * e)
 176 {
 177         QString c = e->getCommand().toLower();
 178
 179         if (checkCommand("help", c))
 180         {
 181                 RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 182                         + getAvailableCommands().join(", "));
 183                 return;
 184         }
 185 }
 186
 187 QStringList RS_ActionDrawCircle3P::getAvailableCommands()
 188 {
 189         QStringList cmd;
 190         return cmd;
 191 }
 192
 193 void RS_ActionDrawCircle3P::updateMouseButtonHints()
 194 {
 195         switch (getStatus())
 196         {
 197         case SetPoint1:
 198                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first point"),
 199                         tr("Cancel"));
 200                 break;
 201
 202         case SetPoint2:
 203                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second point"),
 204                         tr("Back"));
 205                 break;
 206
 207         case SetPoint3:
 208                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify third point"),
 209                         tr("Back"));
 210                 break;
 211
 212         default:
 213                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 214                 break;
 215         }
 216 }
 217
 218 void RS_ActionDrawCircle3P::updateMouseCursor()
 219 {
 220         graphicView->setMouseCursor(RS2::CadCursor);
 221 }
 222
 223 void RS_ActionDrawCircle3P::updateToolBar()
 224 {
 225         if (!isFinished())
 226                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 227         else
 228                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 229 }
 230
 231 // EOF
 232