Shamusworld >> Repos - architektonas/blob - src/actions/actiondrawcircle2p.cpp

   1 // 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 "actiondrawcircle2p.h"
  16
  17 #include "rs_commandevent.h"
  18 #include "rs_dialogfactory.h"
  19 #include "graphicview.h"
  20 #include "rs_preview.h"
  21
  22 ActionDrawCircle2P::ActionDrawCircle2P(RS_EntityContainer & container, GraphicView & graphicView): ActionInterface("Draw circles",
  23                 container, graphicView)
  24 {
  25         reset();
  26 }
  27
  28 ActionDrawCircle2P::~ActionDrawCircle2P()
  29 {
  30 }
  31
  32 void ActionDrawCircle2P::reset()
  33 {
  34         data.reset();
  35         point1 = Vector(false);
  36         point2 = Vector(false);
  37 }
  38
  39 void ActionDrawCircle2P::init(int status)
  40 {
  41         ActionInterface::init(status);
  42
  43         reset();
  44 }
  45
  46 void ActionDrawCircle2P::trigger()
  47 {
  48         ActionInterface::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 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 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 ActionDrawCircle2P::mouseReleaseEvent(QMouseEvent * e)
 125 {
 126         if (e->button() == Qt::LeftButton)
 127         {
 128                 Vector ce(snapPoint(e));
 129                 coordinateEvent(&ce);
 130         }
 131         else if (e->button() == Qt::RightButton)
 132         {
 133                 deletePreview();
 134                 deleteSnapper();
 135                 init(getStatus() - 1);
 136         }
 137 }
 138
 139 void ActionDrawCircle2P::coordinateEvent(Vector * e)
 140 {
 141         if (e == NULL)
 142                 return;
 143
 144         Vector mouse = *e;
 145
 146         switch (getStatus())
 147         {
 148         case SetPoint1:
 149                 point1 = mouse;
 150                 graphicView->moveRelativeZero(mouse);
 151                 setStatus(SetPoint2);
 152                 break;
 153
 154         case SetPoint2:
 155                 point2 = mouse;
 156                 graphicView->moveRelativeZero(mouse);
 157                 trigger();
 158                 break;
 159
 160         default:
 161                 break;
 162         }
 163 }
 164
 165 void ActionDrawCircle2P::commandEvent(RS_CommandEvent * e)
 166 {
 167         QString c = e->getCommand().toLower();
 168
 169         if (checkCommand("help", c))
 170         {
 171                 if (RS_DIALOGFACTORY != NULL)
 172                         RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 173                                 + getAvailableCommands().join(", "));
 174                 return;
 175         }
 176 }
 177
 178 QStringList ActionDrawCircle2P::getAvailableCommands()
 179 {
 180         QStringList cmd;
 181         return cmd;
 182 }
 183
 184 void ActionDrawCircle2P::updateMouseButtonHints()
 185 {
 186         if (RS_DIALOGFACTORY != NULL)
 187         {
 188                 switch (getStatus())
 189                 {
 190                 case SetPoint1:
 191                         RS_DIALOGFACTORY->updateMouseWidget(
 192                                 tr("Specify first point"), tr("Cancel"));
 193                         break;
 194
 195                 case SetPoint2:
 196                         RS_DIALOGFACTORY->updateMouseWidget(
 197                                 tr("Specify second point"), tr("Back"));
 198                         break;
 199
 200                 default:
 201                         RS_DIALOGFACTORY->updateMouseWidget("", "");
 202                         break;
 203                 }
 204         }
 205 }
 206
 207 void ActionDrawCircle2P::updateMouseCursor()
 208 {
 209         graphicView->setMouseCursor(RS2::CadCursor);
 210 }
 211
 212 void ActionDrawCircle2P::updateToolBar()
 213 {
 214         if (RS_DIALOGFACTORY)
 215         {
 216                 if (!isFinished())
 217                         RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 218                 else
 219                         RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 220         }
 221 }