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 // 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 "actiondrawcircle3p.h"
  18
  19 #include "commandevent.h"
  20 #include "dialogfactory.h"
  21 #include "graphicview.h"
  22 #include "preview.h"
  23
  24 ActionDrawCircle3P::ActionDrawCircle3P(RS_EntityContainer & container,
  25         GraphicView & graphicView): ActionInterface("Draw circles",
  26         container, graphicView)
  27 {
  28         reset();
  29 }
  30
  31 ActionDrawCircle3P::~ActionDrawCircle3P()
  32 {
  33 }
  34
  35 void ActionDrawCircle3P::reset()
  36 {
  37         data.reset();
  38         point1 = Vector(false);
  39         point2 = Vector(false);
  40         point3 = Vector(false);
  41 }
  42
  43 void ActionDrawCircle3P::init(int status)
  44 {
  45         ActionInterface::init(status);
  46
  47         reset();
  48 }
  49
  50 void ActionDrawCircle3P::trigger()
  51 {
  52         ActionInterface::trigger();
  53
  54         preparePreview();
  55
  56         if (data.isValid())
  57         {
  58                 RS_Circle * circle = new RS_Circle(container, data);
  59                 circle->setLayerToActive();
  60                 circle->setPenToActive();
  61                 container->addEntity(circle);
  62
  63                 // upd. undo list:
  64                 if (document)
  65                 {
  66                         document->startUndoCycle();
  67                         document->addUndoable(circle);
  68                         document->endUndoCycle();
  69                 }
  70
  71                 deleteSnapper();
  72                 Vector rz = graphicView->getRelativeZero();
  73                 graphicView->moveRelativeZero(Vector(0.0, 0.0));
  74                 graphicView->drawEntity(circle);
  75                 graphicView->moveRelativeZero(rz);
  76                 drawSnapper();
  77
  78                 setStatus(SetPoint1);
  79                 reset();
  80         }
  81         else
  82                 RS_DIALOGFACTORY->requestWarningDialog(tr("Invalid circle data."));
  83 }
  84
  85 void ActionDrawCircle3P::preparePreview()
  86 {
  87         data.reset();
  88
  89         if (point1.valid && point2.valid && point3.valid)
  90         {
  91                 RS_Circle circle(NULL, data);
  92                 bool success = circle.createFrom3P(point1, point2, point3);
  93
  94                 if (success)
  95                         data = circle.getData();
  96         }
  97 }
  98
  99 void ActionDrawCircle3P::mouseMoveEvent(QMouseEvent * e)
 100 {
 101         Vector mouse = snapPoint(e);
 102
 103         switch (getStatus())
 104         {
 105         case SetPoint1:
 106                 point1 = mouse;
 107                 break;
 108
 109         case SetPoint2:
 110                 point2 = mouse;
 111                 break;
 112
 113         case SetPoint3:
 114                 point3 = mouse;
 115                 preparePreview();
 116
 117                 if (data.isValid())
 118                 {
 119 //                      RS_Circle * circle = new RS_Circle(preview, data);
 120 //
 121 //                      deletePreview();
 122 //                      clearPreview();
 123 //                      preview->addEntity(circle);
 124 //                      drawPreview();
 125                 }
 126                 break;
 127         }
 128 }
 129
 130 void ActionDrawCircle3P::mouseReleaseEvent(QMouseEvent * e)
 131 {
 132         if (e->button() == Qt::LeftButton)
 133         {
 134                 Vector ce(snapPoint(e));
 135                 coordinateEvent(&ce);
 136         }
 137         else if (e->button() == Qt::RightButton)
 138         {
 139                 deletePreview();
 140                 deleteSnapper();
 141                 init(getStatus() - 1);
 142         }
 143 }
 144
 145 void ActionDrawCircle3P::coordinateEvent(Vector * e)
 146 {
 147         if (e == NULL)
 148                 return;
 149
 150         Vector mouse = *e;
 151
 152         switch (getStatus())
 153         {
 154         case SetPoint1:
 155                 point1 = mouse;
 156                 graphicView->moveRelativeZero(mouse);
 157                 setStatus(SetPoint2);
 158                 break;
 159
 160         case SetPoint2:
 161                 point2 = mouse;
 162                 graphicView->moveRelativeZero(mouse);
 163                 setStatus(SetPoint3);
 164                 break;
 165
 166         case SetPoint3:
 167                 point3 = mouse;
 168                 trigger();
 169                 break;
 170
 171         default:
 172                 break;
 173         }
 174 }
 175
 176 void ActionDrawCircle3P::commandEvent(RS_CommandEvent * e)
 177 {
 178         QString c = e->getCommand().toLower();
 179
 180         if (checkCommand("help", c))
 181         {
 182                 RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
 183                         + getAvailableCommands().join(", "));
 184                 return;
 185         }
 186 }
 187
 188 QStringList ActionDrawCircle3P::getAvailableCommands()
 189 {
 190         QStringList cmd;
 191         return cmd;
 192 }
 193
 194 void ActionDrawCircle3P::updateMouseButtonHints()
 195 {
 196         switch (getStatus())
 197         {
 198         case SetPoint1:
 199                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first point"), tr("Cancel"));
 200                 break;
 201
 202         case SetPoint2:
 203                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second point"), tr("Back"));
 204                 break;
 205
 206         case SetPoint3:
 207                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify third point"), tr("Back"));
 208                 break;
 209
 210         default:
 211                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 212                 break;
 213         }
 214 }
 215
 216 void ActionDrawCircle3P::updateMouseCursor()
 217 {
 218         graphicView->setMouseCursor(RS2::CadCursor);
 219 }
 220
 221 void ActionDrawCircle3P::updateToolBar()
 222 {
 223         if (!isFinished())
 224                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 225         else
 226                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 227 }