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 // Portions copyright (C) 2001-2003 RibbonSoft
   7 // Copyright (C) 2010 Underground Software
   8 // See the README and GPLv2 files for licensing and warranty information
   9 //
  10 // JLH = James L. Hammons <jlhamm@acm.org>
  11 //
  12 // Who  When        What
  13 // ---  ----------  -----------------------------------------------------------
  14 // JLH  06/03/2010  Added this text. :-)
  15 //
  16
  17 #include "actiondrawcircle2p.h"
  18
  19 #include "rs_commandevent.h"
  20 #include "rs_dialogfactory.h"
  21 #include "graphicview.h"
  22 #include "rs_preview.h"
  23
  24 ActionDrawCircle2P::ActionDrawCircle2P(RS_EntityContainer & container, GraphicView & graphicView): ActionInterface("Draw circles",
  25                 container, graphicView)
  26 {
  27         reset();
  28 }
  29
  30 ActionDrawCircle2P::~ActionDrawCircle2P()
  31 {
  32 }
  33
  34 void ActionDrawCircle2P::reset()
  35 {
  36         data.reset();
  37         point1 = Vector(false);
  38         point2 = Vector(false);
  39 }
  40
  41 void ActionDrawCircle2P::init(int status)
  42 {
  43         ActionInterface::init(status);
  44
  45         reset();
  46 }
  47
  48 void ActionDrawCircle2P::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 != NULL)
  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    if (RS_DIALOGFACTORY != NULL)
  80                 RS_DIALOGFACTORY->requestWarningDialog(tr("Invalid Circle data."));
  81 }
  82
  83 void ActionDrawCircle2P::preparePreview()
  84 {
  85         data.reset();
  86
  87         if (point1.valid && point2.valid)
  88         {
  89                 RS_Circle circle(NULL, data);
  90                 bool suc = circle.createFrom2P(point1, point2);
  91
  92                 if (suc)
  93                         data = circle.getData();
  94         }
  95 }
  96
  97 void ActionDrawCircle2P::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                 preparePreview();
 110
 111                 if (data.isValid())
 112                 {
 113 //                      RS_Circle * circle = new RS_Circle(preview, data);
 114 //                      deletePreview();
 115 //                      clearPreview();
 116 //                      preview->addEntity(circle);
 117 //                      drawPreview();
 118                 }
 119                 break;
 120
 121         default:
 122                 break;
 123         }
 124 }
 125
 126 void ActionDrawCircle2P::mouseReleaseEvent(QMouseEvent * e)
 127 {
 128         if (e->button() == Qt::LeftButton)
 129         {
 130                 Vector ce(snapPoint(e));
 131                 coordinateEvent(&ce);
 132         }
 133         else if (e->button() == Qt::RightButton)
 134         {
 135                 deletePreview();
 136                 deleteSnapper();
 137                 init(getStatus() - 1);
 138         }
 139 }
 140
 141 void ActionDrawCircle2P::coordinateEvent(Vector * e)
 142 {
 143         if (e == NULL)
 144                 return;
 145
 146         Vector mouse = *e;
 147
 148         switch (getStatus())
 149         {
 150         case SetPoint1:
 151                 point1 = mouse;
 152                 graphicView->moveRelativeZero(mouse);
 153                 setStatus(SetPoint2);
 154                 break;
 155
 156         case SetPoint2:
 157                 point2 = mouse;
 158                 graphicView->moveRelativeZero(mouse);
 159                 trigger();
 160                 break;
 161
 162         default:
 163                 break;
 164         }
 165 }
 166
 167 void ActionDrawCircle2P::commandEvent(RS_CommandEvent * e)
 168 {
 169         QString c = e->getCommand().toLower();
 170
 171         if (checkCommand("help", c))
 172         {
 173                 if (RS_DIALOGFACTORY != NULL)
 174                         RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 175                                 + getAvailableCommands().join(", "));
 176                 return;
 177         }
 178 }
 179
 180 QStringList ActionDrawCircle2P::getAvailableCommands()
 181 {
 182         QStringList cmd;
 183         return cmd;
 184 }
 185
 186 void ActionDrawCircle2P::updateMouseButtonHints()
 187 {
 188         if (RS_DIALOGFACTORY != NULL)
 189         {
 190                 switch (getStatus())
 191                 {
 192                 case SetPoint1:
 193                         RS_DIALOGFACTORY->updateMouseWidget(
 194                                 tr("Specify first point"), tr("Cancel"));
 195                         break;
 196
 197                 case SetPoint2:
 198                         RS_DIALOGFACTORY->updateMouseWidget(
 199                                 tr("Specify second point"), tr("Back"));
 200                         break;
 201
 202                 default:
 203                         RS_DIALOGFACTORY->updateMouseWidget("", "");
 204                         break;
 205                 }
 206         }
 207 }
 208
 209 void ActionDrawCircle2P::updateMouseCursor()
 210 {
 211         graphicView->setMouseCursor(RS2::CadCursor);
 212 }
 213
 214 void ActionDrawCircle2P::updateToolBar()
 215 {
 216         if (RS_DIALOGFACTORY)
 217         {
 218                 if (!isFinished())
 219                         RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 220                 else
 221                         RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 222         }
 223 }