Shamusworld >> Repos - architektonas/blob - src/actions/actiondrawcircle3p.cpp

   1 // 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 "actiondrawcircle3p.h"
  16
  17 #include "rs_commandevent.h"
  18 #include "rs_dialogfactory.h"
  19 #include "graphicview.h"
  20 #include "rs_preview.h"
  21
  22 ActionDrawCircle3P::ActionDrawCircle3P(RS_EntityContainer & container,
  23         GraphicView & graphicView): ActionInterface("Draw circles",
  24         container, graphicView)
  25 {
  26         reset();
  27 }
  28
  29 ActionDrawCircle3P::~ActionDrawCircle3P()
  30 {
  31 }
  32
  33 void ActionDrawCircle3P::reset()
  34 {
  35         data.reset();
  36         point1 = Vector(false);
  37         point2 = Vector(false);
  38         point3 = Vector(false);
  39 }
  40
  41 void ActionDrawCircle3P::init(int status)
  42 {
  43         ActionInterface::init(status);
  44
  45         reset();
  46 }
  47
  48 void ActionDrawCircle3P::trigger()
  49 {
  50         ActionInterface::trigger();
  51
  52         preparePreview();
  53
  54         if (data.isValid())
  55         {
  56                 RS_Circle * circle = new RS_Circle(container, data);
  57                 circle->setLayerToActive();
  58                 circle->setPenToActive();
  59                 container->addEntity(circle);
  60
  61                 // upd. undo list:
  62                 if (document)
  63                 {
  64                         document->startUndoCycle();
  65                         document->addUndoable(circle);
  66                         document->endUndoCycle();
  67                 }
  68
  69                 deleteSnapper();
  70                 Vector rz = graphicView->getRelativeZero();
  71                 graphicView->moveRelativeZero(Vector(0.0, 0.0));
  72                 graphicView->drawEntity(circle);
  73                 graphicView->moveRelativeZero(rz);
  74                 drawSnapper();
  75
  76                 setStatus(SetPoint1);
  77                 reset();
  78         }
  79         else
  80                 RS_DIALOGFACTORY->requestWarningDialog(tr("Invalid circle data."));
  81 }
  82
  83 void ActionDrawCircle3P::preparePreview()
  84 {
  85         data.reset();
  86
  87         if (point1.valid && point2.valid && point3.valid)
  88         {
  89                 RS_Circle circle(NULL, data);
  90                 bool success = circle.createFrom3P(point1, point2, point3);
  91
  92                 if (success)
  93                         data = circle.getData();
  94         }
  95 }
  96
  97 void ActionDrawCircle3P::mouseMoveEvent(QMouseEvent * e)
  98 {
  99         Vector mouse = snapPoint(e);
 100
 101         switch (getStatus())
 102         {
 103         case SetPoint1:
 104                 point1 = mouse;
 105                 break;
 106
 107         case SetPoint2:
 108                 point2 = mouse;
 109                 break;
 110
 111         case SetPoint3:
 112                 point3 = mouse;
 113                 preparePreview();
 114
 115                 if (data.isValid())
 116                 {
 117 //                      RS_Circle * circle = new RS_Circle(preview, data);
 118 //
 119 //                      deletePreview();
 120 //                      clearPreview();
 121 //                      preview->addEntity(circle);
 122 //                      drawPreview();
 123                 }
 124                 break;
 125         }
 126 }
 127
 128 void ActionDrawCircle3P::mouseReleaseEvent(QMouseEvent * e)
 129 {
 130         if (e->button() == Qt::LeftButton)
 131         {
 132                 Vector ce(snapPoint(e));
 133                 coordinateEvent(&ce);
 134         }
 135         else if (e->button() == Qt::RightButton)
 136         {
 137                 deletePreview();
 138                 deleteSnapper();
 139                 init(getStatus() - 1);
 140         }
 141 }
 142
 143 void 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 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 ActionDrawCircle3P::getAvailableCommands()
 187 {
 188         QStringList cmd;
 189         return cmd;
 190 }
 191
 192 void ActionDrawCircle3P::updateMouseButtonHints()
 193 {
 194         switch (getStatus())
 195         {
 196         case SetPoint1:
 197                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first point"), tr("Cancel"));
 198                 break;
 199
 200         case SetPoint2:
 201                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second point"), tr("Back"));
 202                 break;
 203
 204         case SetPoint3:
 205                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify third point"), tr("Back"));
 206                 break;
 207
 208         default:
 209                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 210                 break;
 211         }
 212 }
 213
 214 void ActionDrawCircle3P::updateMouseCursor()
 215 {
 216         graphicView->setMouseCursor(RS2::CadCursor);
 217 }
 218
 219 void ActionDrawCircle3P::updateToolBar()
 220 {
 221         if (!isFinished())
 222                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 223         else
 224                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 225 }